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HarfBuzz: Update to version 8.0.0

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This commit is contained in:
bruvzg 2023-07-10 00:51:41 +03:00
parent 85c9db592f
commit ad83a3194c
No known key found for this signature in database
GPG Key ID: 7960FCF39844EC38
133 changed files with 4103 additions and 1769 deletions
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4
thirdparty/README.md vendored
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@ -250,7 +250,7 @@ Files extracted from upstream source:
## harfbuzz
- Upstream: https://github.com/harfbuzz/harfbuzz
- Version: 7.3.0 (4584bcdc326564829d3cee3572386c90e4fd1974, 2023)
- Version: 8.0.0 (b4305532a7746422e0b615eee6304119c1092fd8, 2023)
- License: MIT
Files extracted from upstream source:
@ -258,7 +258,7 @@ Files extracted from upstream source:
- `AUTHORS`, `COPYING`, `THANKS`
- from the `src` folder, recursively
- all the `*.c`, `*.cc`, `*.h`, `*.hh` files
- _except_ `main.cc`, `harfbuzz*.cc`, `failing-alloc.c`, `test*.cc`
- _except_ `main.cc`, `harfbuzz*.cc`, `failing-alloc.c`, `test*.cc`, `hb-wasm*.*`
## icu4c

11
thirdparty/harfbuzz/src/OT/Color/CBDT/CBDT.hh vendored
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@ -397,7 +397,6 @@ struct IndexSubtableRecord
TRACE_SERIALIZE (this);
auto *subtable = c->serializer->start_embed<IndexSubtable> ();
if (unlikely (!subtable)) return_trace (false);
if (unlikely (!c->serializer->extend_min (subtable))) return_trace (false);
auto *old_subtable = get_subtable (base);
@ -545,7 +544,8 @@ struct IndexSubtableArray
const IndexSubtableRecord*>> *lookup /* OUT */) const
{
bool start_glyph_is_set = false;
for (hb_codepoint_t new_gid = 0; new_gid < c->plan->num_output_glyphs (); new_gid++)
unsigned num_glyphs = c->plan->num_output_glyphs ();
for (hb_codepoint_t new_gid = 0; new_gid < num_glyphs; new_gid++)
{
hb_codepoint_t old_gid;
if (unlikely (!c->plan->old_gid_for_new_gid (new_gid, &old_gid))) continue;
@ -576,9 +576,6 @@ struct IndexSubtableArray
{
TRACE_SUBSET (this);
auto *dst = c->serializer->start_embed<IndexSubtableArray> ();
if (unlikely (!dst)) return_trace (false);
hb_vector_t<hb_pair_t<hb_codepoint_t, const IndexSubtableRecord*>> lookup;
build_lookup (c, bitmap_size_context, &lookup);
if (unlikely (!c->serializer->propagate_error (lookup)))
@ -993,12 +990,10 @@ CBLC::subset (hb_subset_context_t *c) const
{
TRACE_SUBSET (this);
auto *cblc_prime = c->serializer->start_embed<CBLC> ();
// Use a vector as a secondary buffer as the tables need to be built in parallel.
hb_vector_t<char> cbdt_prime;
if (unlikely (!cblc_prime)) return_trace (false);
auto *cblc_prime = c->serializer->start_embed<CBLC> ();
if (unlikely (!c->serializer->extend_min (cblc_prime))) return_trace (false);
cblc_prime->version = version;

4
thirdparty/harfbuzz/src/OT/Color/COLR/COLR.hh vendored
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@ -409,7 +409,6 @@ struct ColorLine
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (this);
if (unlikely (!out)) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
if (!c->serializer->check_assign (out->extend, extend, HB_SERIALIZE_ERROR_INT_OVERFLOW)) return_trace (false);
@ -1434,6 +1433,7 @@ struct PaintComposite
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) &&
c->check_ops (this->min_size) && // PainComposite can get exponential
src.sanitize (c, this) &&
backdrop.sanitize (c, this));
}
@ -2167,7 +2167,7 @@ struct COLR
if (version == 0 && (!base_it || !layer_it))
return_trace (false);
COLR *colr_prime = c->serializer->start_embed<COLR> ();
auto *colr_prime = c->serializer->start_embed<COLR> ();
if (unlikely (!c->serializer->extend_min (colr_prime))) return_trace (false);
if (version == 0)

5
thirdparty/harfbuzz/src/OT/Color/sbix/sbix.hh vendored
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@ -48,7 +48,6 @@ struct SBIXGlyph
{
TRACE_SERIALIZE (this);
SBIXGlyph* new_glyph = c->start_embed<SBIXGlyph> ();
if (unlikely (!new_glyph)) return_trace (nullptr);
if (unlikely (!c->extend_min (new_glyph))) return_trace (nullptr);
new_glyph->xOffset = xOffset;
@ -143,7 +142,6 @@ struct SBIXStrike
unsigned int num_output_glyphs = c->plan->num_output_glyphs ();
auto* out = c->serializer->start_embed<SBIXStrike> ();
if (unlikely (!out)) return_trace (false);
auto snap = c->serializer->snapshot ();
if (unlikely (!c->serializer->extend (out, num_output_glyphs + 1))) return_trace (false);
out->ppem = ppem;
@ -388,7 +386,6 @@ struct sbix
TRACE_SERIALIZE (this);
auto *out = c->serializer->start_embed<Array32OfOffset32To<SBIXStrike>> ();
if (unlikely (!out)) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
hb_vector_t<Offset32To<SBIXStrike>*> new_strikes;
@ -423,8 +420,6 @@ struct sbix
{
TRACE_SUBSET (this);
sbix *sbix_prime = c->serializer->start_embed<sbix> ();
if (unlikely (!sbix_prime)) return_trace (false);
if (unlikely (!c->serializer->embed (this->version))) return_trace (false);
if (unlikely (!c->serializer->embed (this->flags))) return_trace (false);

3
thirdparty/harfbuzz/src/OT/Layout/Common/Coverage.hh vendored
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@ -57,6 +57,9 @@ struct Coverage
public:
DEFINE_SIZE_UNION (2, format);
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);

2
thirdparty/harfbuzz/src/OT/Layout/Common/CoverageFormat1.hh vendored
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@ -79,7 +79,7 @@ struct CoverageFormat1_3
{
if (glyphArray.len > glyphs->get_population () * hb_bit_storage ((unsigned) glyphArray.len) / 2)
{
for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);)
for (auto g : *glyphs)
if (get_coverage (g) != NOT_COVERED)
return true;
return false;

2
thirdparty/harfbuzz/src/OT/Layout/Common/CoverageFormat2.hh vendored
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@ -122,7 +122,7 @@ struct CoverageFormat2_4
{
if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2)
{
for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);)
for (auto g : *glyphs)
if (get_coverage (g) != NOT_COVERED)
return true;
return false;

3
thirdparty/harfbuzz/src/OT/Layout/GDEF/GDEF.hh vendored
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@ -49,8 +49,6 @@ struct AttachPoint : Array16Of<HBUINT16>
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out)) return_trace (false);
return_trace (out->serialize (c->serializer, + iter ()));
}
};
@ -202,7 +200,6 @@ struct CaretValueFormat3
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out)) return_trace (false);
if (!c->serializer->embed (caretValueFormat)) return_trace (false);
if (!c->serializer->embed (coordinate)) return_trace (false);

9
thirdparty/harfbuzz/src/OT/Layout/GPOS/AnchorFormat3.hh vendored
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@ -25,7 +25,9 @@ struct AnchorFormat3
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) && xDeviceTable.sanitize (c, this) && yDeviceTable.sanitize (c, this));
if (unlikely (!c->check_struct (this))) return_trace (false);
return_trace (xDeviceTable.sanitize (c, this) && yDeviceTable.sanitize (c, this));
}
void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED,
@ -35,9 +37,9 @@ struct AnchorFormat3
*x = font->em_fscale_x (xCoordinate);
*y = font->em_fscale_y (yCoordinate);
if (font->x_ppem || font->num_coords)
if ((font->x_ppem || font->num_coords) && xDeviceTable.sanitize (&c->sanitizer, this))
*x += (this+xDeviceTable).get_x_delta (font, c->var_store, c->var_store_cache);
if (font->y_ppem || font->num_coords)
if ((font->y_ppem || font->num_coords) && yDeviceTable.sanitize (&c->sanitizer, this))
*y += (this+yDeviceTable).get_y_delta (font, c->var_store, c->var_store_cache);
}
@ -45,7 +47,6 @@ struct AnchorFormat3
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out)) return_trace (false);
if (unlikely (!c->serializer->embed (format))) return_trace (false);
if (unlikely (!c->serializer->embed (xCoordinate))) return_trace (false);
if (unlikely (!c->serializer->embed (yCoordinate))) return_trace (false);

15
thirdparty/harfbuzz/src/OT/Layout/GPOS/AnchorMatrix.hh vendored
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@ -21,18 +21,25 @@ struct AnchorMatrix
if (unlikely (hb_unsigned_mul_overflows (rows, cols))) return_trace (false);
unsigned int count = rows * cols;
if (!c->check_array (matrixZ.arrayZ, count)) return_trace (false);
if (c->lazy_some_gpos)
return_trace (true);
for (unsigned int i = 0; i < count; i++)
if (!matrixZ[i].sanitize (c, this)) return_trace (false);
return_trace (true);
}
const Anchor& get_anchor (unsigned int row, unsigned int col,
unsigned int cols, bool *found) const
const Anchor& get_anchor (hb_ot_apply_context_t *c,
unsigned int row, unsigned int col,
unsigned int cols, bool *found) const
{
*found = false;
if (unlikely (row >= rows || col >= cols)) return Null (Anchor);
*found = !matrixZ[row * cols + col].is_null ();
return this+matrixZ[row * cols + col];
auto &offset = matrixZ[row * cols + col];
if (unlikely (!offset.sanitize (&c->sanitizer, this))) return Null (Anchor);
*found = !offset.is_null ();
return this+offset;
}
template <typename Iterator,

1
thirdparty/harfbuzz/src/OT/Layout/GPOS/CursivePosFormat1.hh vendored
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@ -278,7 +278,6 @@ struct CursivePosFormat1
const hb_map_t &glyph_map = *c->plan->glyph_map;
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out)) return_trace (false);
auto it =
+ hb_zip (this+coverage, entryExitRecord)

2
thirdparty/harfbuzz/src/OT/Layout/GPOS/MarkArray.hh vendored
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@ -28,7 +28,7 @@ struct MarkArray : Array16Of<MarkRecord> /* Array of MarkRecords--in Cove
const Anchor& mark_anchor = this + record.markAnchor;
bool found;
const Anchor& glyph_anchor = anchors.get_anchor (glyph_index, mark_class, class_count, &found);
const Anchor& glyph_anchor = anchors.get_anchor (c, glyph_index, mark_class, class_count, &found);
/* If this subtable doesn't have an anchor for this base and this class,
* return false such that the subsequent subtables have a chance at it. */
if (unlikely (!found)) return_trace (false);

11
thirdparty/harfbuzz/src/OT/Layout/GPOS/PairPosFormat2.hh vendored
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@ -54,8 +54,9 @@ struct PairPosFormat2_4
return_trace (c->check_range ((const void *) values,
count,
stride) &&
valueFormat1.sanitize_values_stride_unsafe (c, this, &values[0], count, stride) &&
valueFormat2.sanitize_values_stride_unsafe (c, this, &values[len1], count, stride));
(c->lazy_some_gpos ||
(valueFormat1.sanitize_values_stride_unsafe (c, this, &values[0], count, stride) &&
valueFormat2.sanitize_values_stride_unsafe (c, this, &values[len1], count, stride))));
}
bool intersects (const hb_set_t *glyphs) const
@ -298,11 +299,13 @@ struct PairPosFormat2_4
out->valueFormat2 = out->valueFormat2.drop_device_table_flags ();
}
unsigned total_len = len1 + len2;
hb_vector_t<unsigned> class2_idxs (+ hb_range ((unsigned) class2Count) | hb_filter (klass2_map));
for (unsigned class1_idx : + hb_range ((unsigned) class1Count) | hb_filter (klass1_map))
{
for (unsigned class2_idx : + hb_range ((unsigned) class2Count) | hb_filter (klass2_map))
for (unsigned class2_idx : class2_idxs)
{
unsigned idx = (class1_idx * (unsigned) class2Count + class2_idx) * (len1 + len2);
unsigned idx = (class1_idx * (unsigned) class2Count + class2_idx) * total_len;
valueFormat1.copy_values (c->serializer, out->valueFormat1, this, &values[idx], &c->plan->layout_variation_idx_delta_map);
valueFormat2.copy_values (c->serializer, out->valueFormat2, this, &values[idx + len1], &c->plan->layout_variation_idx_delta_map);
}

5
thirdparty/harfbuzz/src/OT/Layout/GPOS/PairSet.hh vendored
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@ -52,8 +52,9 @@ struct PairSet
unsigned int count = len;
const PairValueRecord *record = &firstPairValueRecord;
return_trace (closure->valueFormats[0].sanitize_values_stride_unsafe (c, this, &record->values[0], count, closure->stride) &&
closure->valueFormats[1].sanitize_values_stride_unsafe (c, this, &record->values[closure->len1], count, closure->stride));
return_trace (c->lazy_some_gpos ||
(closure->valueFormats[0].sanitize_values_stride_unsafe (c, this, &record->values[0], count, closure->stride) &&
closure->valueFormats[1].sanitize_values_stride_unsafe (c, this, &record->values[closure->len1], count, closure->stride)));
}
bool intersects (const hb_set_t *glyphs,

3
thirdparty/harfbuzz/src/OT/Layout/GPOS/SinglePosFormat1.hh vendored
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@ -90,6 +90,7 @@ struct SinglePosFormat1
bool
position_single (hb_font_t *font,
hb_blob_t *table_blob,
hb_direction_t direction,
hb_codepoint_t gid,
hb_glyph_position_t &pos) const
@ -100,7 +101,7 @@ struct SinglePosFormat1
/* This is ugly... */
hb_buffer_t buffer;
buffer.props.direction = direction;
OT::hb_ot_apply_context_t c (1, font, &buffer);
OT::hb_ot_apply_context_t c (1, font, &buffer, table_blob);
valueFormat.apply_value (&c, this, values, pos);
return true;

3
thirdparty/harfbuzz/src/OT/Layout/GPOS/SinglePosFormat2.hh vendored
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@ -94,6 +94,7 @@ struct SinglePosFormat2
bool
position_single (hb_font_t *font,
hb_blob_t *table_blob,
hb_direction_t direction,
hb_codepoint_t gid,
hb_glyph_position_t &pos) const
@ -105,7 +106,7 @@ struct SinglePosFormat2
/* This is ugly... */
hb_buffer_t buffer;
buffer.props.direction = direction;
OT::hb_ot_apply_context_t c (1, font, &buffer);
OT::hb_ot_apply_context_t c (1, font, &buffer, table_blob);
valueFormat.apply_value (&c, this,
&values[index * valueFormat.get_len ()],

64
thirdparty/harfbuzz/src/OT/Layout/GPOS/ValueFormat.hh vendored
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@ -118,21 +118,25 @@ struct ValueFormat : HBUINT16
auto *cache = c->var_store_cache;
/* pixel -> fractional pixel */
if (format & xPlaDevice) {
if (use_x_device) glyph_pos.x_offset += (base + get_device (values, &ret)).get_x_delta (font, store, cache);
if (format & xPlaDevice)
{
if (use_x_device) glyph_pos.x_offset += get_device (values, &ret, base, c->sanitizer).get_x_delta (font, store, cache);
values++;
}
if (format & yPlaDevice) {
if (use_y_device) glyph_pos.y_offset += (base + get_device (values, &ret)).get_y_delta (font, store, cache);
if (format & yPlaDevice)
{
if (use_y_device) glyph_pos.y_offset += get_device (values, &ret, base, c->sanitizer).get_y_delta (font, store, cache);
values++;
}
if (format & xAdvDevice) {
if (horizontal && use_x_device) glyph_pos.x_advance += (base + get_device (values, &ret)).get_x_delta (font, store, cache);
if (format & xAdvDevice)
{
if (horizontal && use_x_device) glyph_pos.x_advance += get_device (values, &ret, base, c->sanitizer).get_x_delta (font, store, cache);
values++;
}
if (format & yAdvDevice) {
if (format & yAdvDevice)
{
/* y_advance values grow downward but font-space grows upward, hence negation */
if (!horizontal && use_y_device) glyph_pos.y_advance -= (base + get_device (values, &ret)).get_y_delta (font, store, cache);
if (!horizontal && use_y_device) glyph_pos.y_advance -= get_device (values, &ret, base, c->sanitizer).get_y_delta (font, store, cache);
values++;
}
return ret;
@ -174,6 +178,9 @@ struct ValueFormat : HBUINT16
if (format & xAdvance) x_adv = copy_value (c, new_format, xAdvance, *values++);
if (format & yAdvance) y_adv = copy_value (c, new_format, yAdvance, *values++);
if (!has_device ())
return;
if (format & xPlaDevice)
{
add_delta_to_value (x_placement, base, values, layout_variation_idx_delta_map);
@ -233,14 +240,12 @@ struct ValueFormat : HBUINT16
if (format & ValueFormat::xAdvDevice)
{
(base + get_device (&(values[i]))).collect_variation_indices (c);
i++;
}
if (format & ValueFormat::yAdvDevice)
{
(base + get_device (&(values[i]))).collect_variation_indices (c);
i++;
}
@ -277,10 +282,22 @@ struct ValueFormat : HBUINT16
{
return *static_cast<Offset16To<Device> *> (value);
}
static inline const Offset16To<Device>& get_device (const Value* value, bool *worked=nullptr)
static inline const Offset16To<Device>& get_device (const Value* value)
{
return *static_cast<const Offset16To<Device> *> (value);
}
static inline const Device& get_device (const Value* value,
bool *worked,
const void *base,
hb_sanitize_context_t &c)
{
if (worked) *worked |= bool (*value);
return *static_cast<const Offset16To<Device> *> (value);
auto &offset = *static_cast<const Offset16To<Device> *> (value);
if (unlikely (!offset.sanitize (&c, base)))
return Null(Device);
return base + offset;
}
void add_delta_to_value (HBINT16 *value,
@ -340,25 +357,26 @@ struct ValueFormat : HBUINT16
bool sanitize_value (hb_sanitize_context_t *c, const void *base, const Value *values) const
{
TRACE_SANITIZE (this);
return_trace (c->check_range (values, get_size ()) && (!has_device () || sanitize_value_devices (c, base, values)));
if (unlikely (!c->check_range (values, get_size ()))) return_trace (false);
if (c->lazy_some_gpos)
return_trace (true);
return_trace (!has_device () || sanitize_value_devices (c, base, values));
}
bool sanitize_values (hb_sanitize_context_t *c, const void *base, const Value *values, unsigned int count) const
{
TRACE_SANITIZE (this);
unsigned int len = get_len ();
unsigned size = get_size ();
if (!c->check_range (values, count, get_size ())) return_trace (false);
if (!c->check_range (values, count, size)) return_trace (false);
if (!has_device ()) return_trace (true);
if (c->lazy_some_gpos)
return_trace (true);
for (unsigned int i = 0; i < count; i++) {
if (!sanitize_value_devices (c, base, values))
return_trace (false);
values += len;
}
return_trace (true);
return_trace (sanitize_values_stride_unsafe (c, base, values, count, size));
}
/* Just sanitize referenced Device tables. Doesn't check the values themselves. */

2
thirdparty/harfbuzz/src/OT/Layout/GSUB/Common.hh vendored
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@ -8,8 +8,6 @@ namespace OT {
namespace Layout {
namespace GSUB_impl {
typedef hb_pair_t<hb_codepoint_t, hb_codepoint_t> hb_codepoint_pair_t;
template<typename Iterator>
static void SingleSubst_serialize (hb_serialize_context_t *c,
Iterator it);

3
thirdparty/harfbuzz/src/OT/Layout/GSUB/Ligature.hh vendored
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@ -13,12 +13,13 @@ struct Ligature
public:
typename Types::HBGlyphID
ligGlyph; /* GlyphID of ligature to substitute */
HeadlessArrayOf<typename Types::HBGlyphID>
HeadlessArray16Of<typename Types::HBGlyphID>
component; /* Array of component GlyphIDs--start
* with the second component--ordered
* in writing direction */
public:
DEFINE_SIZE_ARRAY (Types::size + 2, component);
DEFINE_SIZE_MAX (65536 * Types::HBGlyphID::static_size);
bool sanitize (hb_sanitize_context_t *c) const
{

1
thirdparty/harfbuzz/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh vendored
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@ -191,7 +191,6 @@ struct ReverseChainSingleSubstFormat1
TRACE_SERIALIZE (this);
auto *out = c->serializer->start_embed (this);
if (unlikely (!c->serializer->check_success (out))) return_trace (false);
if (unlikely (!c->serializer->embed (this->format))) return_trace (false);
if (unlikely (!c->serializer->embed (this->coverage))) return_trace (false);

2
thirdparty/harfbuzz/src/OT/Layout/GSUB/Sequence.hh vendored
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@ -53,7 +53,7 @@ struct Sequence
if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ())
{
c->buffer->message (c->font,
"replaced glyph at %u (multiple subtitution)",
"replaced glyph at %u (multiple substitution)",
c->buffer->idx - 1u);
}

41
thirdparty/harfbuzz/src/OT/glyf/CompositeGlyph.hh vendored
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@ -90,24 +90,36 @@ struct CompositeGlyphRecord
static void transform (const float (&matrix)[4],
hb_array_t<contour_point_t> points)
{
auto arrayZ = points.arrayZ;
unsigned count = points.length;
if (matrix[0] != 1.f || matrix[1] != 0.f ||
matrix[2] != 0.f || matrix[3] != 1.f)
for (unsigned i = 0; i < count; i++)
arrayZ[i].transform (matrix);
for (auto &point : points)
point.transform (matrix);
}
static void translate (const contour_point_t &trans,
hb_array_t<contour_point_t> points)
{
auto arrayZ = points.arrayZ;
unsigned count = points.length;
if (trans.x != 0.f || trans.y != 0.f)
for (unsigned i = 0; i < count; i++)
arrayZ[i].translate (trans);
if (HB_OPTIMIZE_SIZE_VAL)
{
if (trans.x != 0.f || trans.y != 0.f)
for (auto &point : points)
point.translate (trans);
}
else
{
if (trans.x != 0.f && trans.y != 0.f)
for (auto &point : points)
point.translate (trans);
else
{
if (trans.x != 0.f)
for (auto &point : points)
point.x += trans.x;
else if (trans.y != 0.f)
for (auto &point : points)
point.y += trans.y;
}
}
}
void transform_points (hb_array_t<contour_point_t> points,
@ -131,9 +143,8 @@ struct CompositeGlyphRecord
float matrix[4];
contour_point_t trans;
get_transformation (matrix, trans);
points.alloc (points.length + 4); // For phantom points
if (unlikely (!points.resize (points.length + 1))) return false;
points.arrayZ[points.length - 1] = trans;
if (unlikely (!points.alloc (points.length + 4))) return false; // For phantom points
points.push (trans);
return true;
}
@ -382,7 +393,7 @@ struct CompositeGlyph
{
/* last 4 points in points_with_deltas are phantom points and should not be included */
if (i >= points_with_deltas.length - 4) {
free (o);
hb_free (o);
return false;
}

40
thirdparty/harfbuzz/src/OT/glyf/Glyph.hh vendored
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@ -114,8 +114,8 @@ struct Glyph
if (type != EMPTY)
{
plan->bounds_width_map.set (new_gid, xMax - xMin);
plan->bounds_height_map.set (new_gid, yMax - yMin);
plan->bounds_width_vec[new_gid] = xMax - xMin;
plan->bounds_height_vec[new_gid] = yMax - yMin;
}
unsigned len = all_points.length;
@ -124,10 +124,12 @@ struct Glyph
float topSideY = all_points[len - 2].y;
float bottomSideY = all_points[len - 1].y;
uint32_t hash = hb_hash (new_gid);
signed hori_aw = roundf (rightSideX - leftSideX);
if (hori_aw < 0) hori_aw = 0;
int lsb = roundf (xMin - leftSideX);
plan->hmtx_map.set (new_gid, hb_pair ((unsigned) hori_aw, lsb));
plan->hmtx_map.set_with_hash (new_gid, hash, hb_pair ((unsigned) hori_aw, lsb));
//flag value should be computed using non-empty glyphs
if (type != EMPTY && lsb != xMin)
plan->head_maxp_info.allXMinIsLsb = false;
@ -135,7 +137,7 @@ struct Glyph
signed vert_aw = roundf (topSideY - bottomSideY);
if (vert_aw < 0) vert_aw = 0;
int tsb = roundf (topSideY - yMax);
plan->vmtx_map.set (new_gid, hb_pair ((unsigned) vert_aw, tsb));
plan->vmtx_map.set_with_hash (new_gid, hash, hb_pair ((unsigned) vert_aw, tsb));
}
bool compile_header_bytes (const hb_subset_plan_t *plan,
@ -369,9 +371,11 @@ struct Glyph
}
#ifndef HB_NO_VAR
glyf_accelerator.gvar->apply_deltas_to_points (gid,
coords,
points.as_array ().sub_array (old_length));
if (coords)
glyf_accelerator.gvar->apply_deltas_to_points (gid,
coords,
points.as_array ().sub_array (old_length),
phantom_only && type == SIMPLE);
#endif
// mainly used by CompositeGlyph calculating new X/Y offset value so no need to extend it
@ -379,7 +383,7 @@ struct Glyph
if (points_with_deltas != nullptr && depth == 0 && type == COMPOSITE)
{
if (unlikely (!points_with_deltas->resize (points.length))) return false;
points_with_deltas->copy_vector (points);
*points_with_deltas = points;
}
switch (type) {
@ -417,14 +421,17 @@ struct Glyph
for (unsigned int i = 0; i < PHANTOM_COUNT; i++)
phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i];
float matrix[4];
contour_point_t default_trans;
item.get_transformation (matrix, default_trans);
if (comp_points) // Empty in case of phantom_only
{
float matrix[4];
contour_point_t default_trans;
item.get_transformation (matrix, default_trans);
/* Apply component transformation & translation (with deltas applied) */
item.transform_points (comp_points, matrix, points[comp_index]);
/* Apply component transformation & translation (with deltas applied) */
item.transform_points (comp_points, matrix, points[comp_index]);
}
if (item.is_anchored ())
if (item.is_anchored () && !phantom_only)
{
unsigned int p1, p2;
item.get_anchor_points (p1, p2);
@ -466,7 +473,10 @@ struct Glyph
assert (record_points.length == item_num_points);
auto component_coords = coords;
if (item.is_reset_unspecified_axes ())
/* Copying coords is expensive; so we have put an arbitrary
* limit on the max number of coords for now. */
if (item.is_reset_unspecified_axes () ||
coords.length > HB_GLYF_VAR_COMPOSITE_MAX_AXES)
component_coords = hb_array<int> ();
coord_setter_t coord_setter (component_coords);

12
thirdparty/harfbuzz/src/OT/glyf/SimpleGlyph.hh vendored
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@ -154,10 +154,9 @@ struct SimpleGlyph
{
int v = 0;
unsigned count = points_.length;
for (unsigned i = 0; i < count; i++)
for (auto &point : points_)
{
unsigned flag = points_.arrayZ[i].flag;
unsigned flag = point.flag;
if (flag & short_flag)
{
if (unlikely (p + 1 > end)) return false;
@ -175,7 +174,7 @@ struct SimpleGlyph
p += HBINT16::static_size;
}
}
points_.arrayZ[i].*m = v;
point.*m = v;
}
return true;
}
@ -192,9 +191,10 @@ struct SimpleGlyph
unsigned old_length = points.length;
points.alloc (points.length + num_points + 4, true); // Allocate for phantom points, to avoid a possible copy
if (!points.resize (points.length + num_points, false)) return false;
if (unlikely (!points.resize (points.length + num_points, false))) return false;
auto points_ = points.as_array ().sub_array (old_length);
hb_memset (points_.arrayZ, 0, sizeof (contour_point_t) * num_points);
if (!phantom_only)
hb_memset (points_.arrayZ, 0, sizeof (contour_point_t) * num_points);
if (phantom_only) return true;
for (int i = 0; i < num_contours; i++)

4
thirdparty/harfbuzz/src/OT/glyf/SubsetGlyph.hh vendored
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@ -22,7 +22,7 @@ struct SubsetGlyph
bool serialize (hb_serialize_context_t *c,
bool use_short_loca,
const hb_subset_plan_t *plan)
const hb_subset_plan_t *plan) const
{
TRACE_SERIALIZE (this);
@ -40,7 +40,7 @@ struct SubsetGlyph
pad = 0;
while (pad_length > 0)
{
c->embed (pad);
(void) c->embed (pad);
pad_length--;
}

2
thirdparty/harfbuzz/src/OT/glyf/VarCompositeGlyph.hh vendored
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@ -214,7 +214,7 @@ struct VarCompositeGlyphRecord
points.alloc (points.length + num_points + 4); // For phantom points
if (unlikely (!points.resize (points.length + num_points, false))) return false;
contour_point_t *rec_points = points.arrayZ + (points.length - num_points);
memset (rec_points, 0, num_points * sizeof (rec_points[0]));
hb_memset (rec_points, 0, num_points * sizeof (rec_points[0]));
unsigned fl = flags;

2
thirdparty/harfbuzz/src/OT/glyf/coord-setter.hh vendored
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@ -16,6 +16,8 @@ struct coord_setter_t
int& operator [] (unsigned idx)
{
if (unlikely (idx >= HB_GLYF_VAR_COMPOSITE_MAX_AXES))
return Crap(int);
if (coords.length < idx + 1)
coords.resize (idx + 1);
return coords[idx];

67
thirdparty/harfbuzz/src/OT/glyf/glyf-helpers.hh vendored
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@ -12,24 +12,44 @@ namespace OT {
namespace glyf_impl {
template<typename IteratorIn, typename IteratorOut,
hb_requires (hb_is_source_of (IteratorIn, unsigned int)),
hb_requires (hb_is_sink_of (IteratorOut, unsigned))>
template<typename IteratorIn, typename TypeOut,
hb_requires (hb_is_source_of (IteratorIn, unsigned int))>
static void
_write_loca (IteratorIn&& it, bool short_offsets, IteratorOut&& dest)
_write_loca (IteratorIn&& it,
const hb_sorted_vector_t<hb_codepoint_pair_t> new_to_old_gid_list,
bool short_offsets,
TypeOut *dest,
unsigned num_offsets)
{
unsigned right_shift = short_offsets ? 1 : 0;
unsigned int offset = 0;
dest << 0;
+ it
| hb_map ([=, &offset] (unsigned int padded_size)
{
offset += padded_size;
DEBUG_MSG (SUBSET, nullptr, "loca entry offset %u", offset);
return offset >> right_shift;
})
| hb_sink (dest)
;
unsigned offset = 0;
TypeOut value;
value = 0;
*dest++ = value;
hb_codepoint_t last = 0;
for (auto _ : new_to_old_gid_list)
{
hb_codepoint_t gid = _.first;
for (; last < gid; last++)
{
DEBUG_MSG (SUBSET, nullptr, "loca entry empty offset %u", offset);
*dest++ = value;
}
unsigned padded_size = *it++;
offset += padded_size;
DEBUG_MSG (SUBSET, nullptr, "loca entry gid %u offset %u padded-size %u", gid, offset, padded_size);
value = offset >> right_shift;
*dest++ = value;
last++; // Skip over gid
}
unsigned num_glyphs = num_offsets - 1;
for (; last < num_glyphs; last++)
{
DEBUG_MSG (SUBSET, nullptr, "loca entry empty offset %u", offset);
*dest++ = value;
}
}
static bool
@ -67,11 +87,14 @@ _add_head_and_set_loca_version (hb_subset_plan_t *plan, bool use_short_loca)
template<typename Iterator,
hb_requires (hb_is_source_of (Iterator, unsigned int))>
static bool
_add_loca_and_head (hb_subset_plan_t * plan, Iterator padded_offsets, bool use_short_loca)
_add_loca_and_head (hb_subset_context_t *c,
Iterator padded_offsets,
bool use_short_loca)
{
unsigned num_offsets = padded_offsets.len () + 1;
unsigned num_offsets = c->plan->num_output_glyphs () + 1;
unsigned entry_size = use_short_loca ? 2 : 4;
char *loca_prime_data = (char *) hb_calloc (entry_size, num_offsets);
char *loca_prime_data = (char *) hb_malloc (entry_size * num_offsets);
if (unlikely (!loca_prime_data)) return false;
@ -79,9 +102,9 @@ _add_loca_and_head (hb_subset_plan_t * plan, Iterator padded_offsets, bool use_s
entry_size, num_offsets, entry_size * num_offsets);
if (use_short_loca)
_write_loca (padded_offsets, true, hb_array ((HBUINT16 *) loca_prime_data, num_offsets));
_write_loca (padded_offsets, c->plan->new_to_old_gid_list, true, (HBUINT16 *) loca_prime_data, num_offsets);
else
_write_loca (padded_offsets, false, hb_array ((HBUINT32 *) loca_prime_data, num_offsets));
_write_loca (padded_offsets, c->plan->new_to_old_gid_list, false, (HBUINT32 *) loca_prime_data, num_offsets);
hb_blob_t *loca_blob = hb_blob_create (loca_prime_data,
entry_size * num_offsets,
@ -89,8 +112,8 @@ _add_loca_and_head (hb_subset_plan_t * plan, Iterator padded_offsets, bool use_s
loca_prime_data,
hb_free);
bool result = plan->add_table (HB_OT_TAG_loca, loca_blob)
&& _add_head_and_set_loca_version (plan, use_short_loca);
bool result = c->plan->add_table (HB_OT_TAG_loca, loca_blob)
&& _add_head_and_set_loca_version (c->plan, use_short_loca);
hb_blob_destroy (loca_blob);
return result;

82
thirdparty/harfbuzz/src/OT/glyf/glyf.hh vendored
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@ -85,75 +85,72 @@ struct glyf
return_trace (false);
}
glyf *glyf_prime = c->serializer->start_embed <glyf> ();
if (unlikely (!c->serializer->check_success (glyf_prime))) return_trace (false);
hb_font_t *font = nullptr;
if (c->plan->normalized_coords)
{
font = _create_font_for_instancing (c->plan);
if (unlikely (!font)) return false;
if (unlikely (!font))
return_trace (false);
}
hb_vector_t<unsigned> padded_offsets;
unsigned num_glyphs = c->plan->num_output_glyphs ();
if (unlikely (!padded_offsets.resize (num_glyphs)))
{
hb_font_destroy (font);
return false;
}
if (unlikely (!padded_offsets.alloc (c->plan->new_to_old_gid_list.length, true)))
return_trace (false);
hb_vector_t<glyf_impl::SubsetGlyph> glyphs;
if (!_populate_subset_glyphs (c->plan, font, glyphs))
{
hb_font_destroy (font);
return false;
return_trace (false);
}
if (font)
hb_font_destroy (font);
unsigned max_offset = 0;
for (unsigned i = 0; i < num_glyphs; i++)
for (auto &g : glyphs)
{
padded_offsets[i] = glyphs[i].padded_size ();
max_offset += padded_offsets[i];
unsigned size = g.padded_size ();
padded_offsets.push (size);
max_offset += size;
}
bool use_short_loca = false;
if (likely (!c->plan->force_long_loca))
use_short_loca = max_offset < 0x1FFFF;
if (!use_short_loca) {
for (unsigned i = 0; i < num_glyphs; i++)
padded_offsets[i] = glyphs[i].length ();
if (!use_short_loca)
{
padded_offsets.resize (0);
for (auto &g : glyphs)
padded_offsets.push (g.length ());
}
bool result = glyf_prime->serialize (c->serializer, glyphs.writer (), use_short_loca, c->plan);
auto *glyf_prime = c->serializer->start_embed <glyf> ();
bool result = glyf_prime->serialize (c->serializer, hb_iter (glyphs), use_short_loca, c->plan);
if (c->plan->normalized_coords && !c->plan->pinned_at_default)
_free_compiled_subset_glyphs (glyphs);
if (!result) return false;
if (unlikely (!c->serializer->check_success (glyf_impl::_add_loca_and_head (c,
padded_offsets.iter (),
use_short_loca))))
return_trace (false);
if (unlikely (c->serializer->in_error ())) return_trace (false);
return_trace (c->serializer->check_success (glyf_impl::_add_loca_and_head (c->plan,
padded_offsets.iter (),
use_short_loca)));
return result;
}
bool
_populate_subset_glyphs (const hb_subset_plan_t *plan,
hb_font_t *font,
hb_vector_t<glyf_impl::SubsetGlyph> &glyphs /* OUT */) const;
hb_vector_t<glyf_impl::SubsetGlyph>& glyphs /* OUT */) const;
hb_font_t *
_create_font_for_instancing (const hb_subset_plan_t *plan) const;
void _free_compiled_subset_glyphs (hb_vector_t<glyf_impl::SubsetGlyph> &glyphs) const
{
for (unsigned i = 0; i < glyphs.length; i++)
glyphs[i].free_compiled_bytes ();
for (auto &g : glyphs)
g.free_compiled_bytes ();
}
protected:
@ -222,13 +219,14 @@ struct glyf_accelerator_t
if (unlikely (!glyph_for_gid (gid).get_points (font, *this, all_points, nullptr, nullptr, nullptr, true, true, phantom_only)))
return false;
unsigned count = all_points.length;
assert (count >= glyf_impl::PHANTOM_COUNT);
count -= glyf_impl::PHANTOM_COUNT;
if (consumer.is_consuming_contour_points ())
{
unsigned count = all_points.length;
assert (count >= glyf_impl::PHANTOM_COUNT);
count -= glyf_impl::PHANTOM_COUNT;
for (unsigned point_index = 0; point_index < count; point_index++)
consumer.consume_point (all_points[point_index]);
for (auto &point : all_points.as_array ().sub_array (0, count))
consumer.consume_point (point);
consumer.points_end ();
}
@ -236,7 +234,7 @@ struct glyf_accelerator_t
contour_point_t *phantoms = consumer.get_phantoms_sink ();
if (phantoms)
for (unsigned i = 0; i < glyf_impl::PHANTOM_COUNT; ++i)
phantoms[i] = all_points[all_points.length - glyf_impl::PHANTOM_COUNT + i];
phantoms[i] = all_points.arrayZ[count + i];
return true;
}
@ -299,6 +297,7 @@ struct glyf_accelerator_t
if (extents) bounds = contour_bounds_t ();
}
HB_ALWAYS_INLINE
void consume_point (const contour_point_t &point) { bounds.add (point); }
void points_end () { bounds.get_extents (font, extents, scaled); }
@ -431,16 +430,17 @@ glyf::_populate_subset_glyphs (const hb_subset_plan_t *plan,
hb_vector_t<glyf_impl::SubsetGlyph>& glyphs /* OUT */) const
{
OT::glyf_accelerator_t glyf (plan->source);
unsigned num_glyphs = plan->num_output_glyphs ();
if (!glyphs.resize (num_glyphs)) return false;
if (!glyphs.alloc (plan->new_to_old_gid_list.length, true)) return false;
for (auto p : plan->glyph_map->iter ())
for (const auto &pair : plan->new_to_old_gid_list)
{
unsigned new_gid = p.second;
glyf_impl::SubsetGlyph& subset_glyph = glyphs.arrayZ[new_gid];
subset_glyph.old_gid = p.first;
hb_codepoint_t new_gid = pair.first;
hb_codepoint_t old_gid = pair.second;
glyf_impl::SubsetGlyph *p = glyphs.push ();
glyf_impl::SubsetGlyph& subset_glyph = *p;
subset_glyph.old_gid = old_gid;
if (unlikely (new_gid == 0 &&
if (unlikely (old_gid == 0 && new_gid == 0 &&
!(plan->flags & HB_SUBSET_FLAGS_NOTDEF_OUTLINE)) &&
!plan->normalized_coords)
subset_glyph.source_glyph = glyf_impl::Glyph ();
@ -487,7 +487,7 @@ glyf::_create_font_for_instancing (const hb_subset_plan_t *plan) const
{
hb_variation_t var;
var.tag = _.first;
var.value = _.second;
var.value = _.second.middle;
vars.push (var);
}

23
thirdparty/harfbuzz/src/OT/glyf/path-builder.hh vendored
View File

@ -21,11 +21,11 @@ struct path_builder_t
operator bool () const { return has_data; }
bool has_data = false;
float x = 0.;
float y = 0.;
float x;
float y;
optional_point_t lerp (optional_point_t p, float t)
{ return optional_point_t (x + t * (p.x - x), y + t * (p.y - y)); }
optional_point_t mid (optional_point_t p)
{ return optional_point_t ((x + p.x) * 0.5f, (y + p.y) * 0.5f); }
} first_oncurve, first_offcurve, first_offcurve2, last_offcurve, last_offcurve2;
path_builder_t (hb_font_t *font_, hb_draw_session_t &draw_session_) :
@ -37,6 +37,7 @@ struct path_builder_t
* https://stackoverflow.com/a/20772557
*
* Cubic support added. */
HB_ALWAYS_INLINE
void consume_point (const contour_point_t &point)
{
bool is_on_curve = point.flag & glyf_impl::SimpleGlyph::FLAG_ON_CURVE;
@ -46,7 +47,7 @@ struct path_builder_t
bool is_cubic = !is_on_curve && (point.flag & glyf_impl::SimpleGlyph::FLAG_CUBIC);
#endif
optional_point_t p (font->em_fscalef_x (point.x), font->em_fscalef_y (point.y));
if (!first_oncurve)
if (unlikely (!first_oncurve))
{
if (is_on_curve)
{
@ -62,7 +63,7 @@ struct path_builder_t
}
else if (first_offcurve)
{
optional_point_t mid = first_offcurve.lerp (p, .5f);
optional_point_t mid = first_offcurve.mid (p);
first_oncurve = mid;
last_offcurve = p;
draw_session->move_to (mid.x, mid.y);
@ -98,7 +99,7 @@ struct path_builder_t
}
else
{
optional_point_t mid = last_offcurve.lerp (p, .5f);
optional_point_t mid = last_offcurve.mid (p);
if (is_cubic)
{
@ -123,13 +124,13 @@ struct path_builder_t
}
}
if (point.is_end_point)
if (unlikely (point.is_end_point))
{
if (first_offcurve && last_offcurve)
{
optional_point_t mid = last_offcurve.lerp (first_offcurve2 ?
first_offcurve2 :
first_offcurve, .5f);
optional_point_t mid = last_offcurve.mid (first_offcurve2 ?
first_offcurve2 :
first_offcurve);
if (last_offcurve2)
draw_session->cubic_to (last_offcurve2.x, last_offcurve2.y,
last_offcurve.x, last_offcurve.y,

19
thirdparty/harfbuzz/src/OT/name/name.hh vendored
View File

@ -359,7 +359,7 @@ struct name
record.nameID = ids.name_id;
record.length = 0; // handled in NameRecord copy()
record.offset = 0;
memcpy (name_records, &record, NameRecord::static_size);
hb_memcpy (name_records, &record, NameRecord::static_size);
name_records++;
}
#endif
@ -384,10 +384,7 @@ struct name
bool subset (hb_subset_context_t *c) const
{
TRACE_SUBSET (this);
name *name_prime = c->serializer->start_embed<name> ();
if (unlikely (!name_prime)) return_trace (false);
auto *name_prime = c->serializer->start_embed<name> ();
#ifdef HB_EXPERIMENTAL_API
const hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides =
@ -436,7 +433,7 @@ struct name
if (!name_table_overrides->is_empty ())
{
if (unlikely (!insert_name_records.alloc (name_table_overrides->get_population (), true)))
return_trace (false);
return false;
for (const auto& record_ids : name_table_overrides->keys ())
{
if (name_table_overrides->get (record_ids).length == 0)
@ -448,13 +445,13 @@ struct name
}
#endif
return (name_prime->serialize (c->serializer, it,
std::addressof (this + stringOffset)
return name_prime->serialize (c->serializer, it,
std::addressof (this + stringOffset)
#ifdef HB_EXPERIMENTAL_API
, insert_name_records
, name_table_overrides
, insert_name_records
, name_table_overrides
#endif
));
);
}
bool sanitize_records (hb_sanitize_context_t *c) const

8
thirdparty/harfbuzz/src/graph/classdef-graph.hh vendored
View File

@ -94,7 +94,13 @@ struct ClassDef : public OT::ClassDef
}
hb_bytes_t class_def_copy = serializer.copy_bytes ();
c.add_buffer ((char *) class_def_copy.arrayZ); // Give ownership to the context, it will cleanup the buffer.
if (!class_def_copy.arrayZ) return false;
// Give ownership to the context, it will cleanup the buffer.
if (!c.add_buffer ((char *) class_def_copy.arrayZ))
{
hb_free ((char *) class_def_copy.arrayZ);
return false;
}
auto& obj = c.graph.vertices_[dest_obj].obj;
obj.head = (char *) class_def_copy.arrayZ;

8
thirdparty/harfbuzz/src/graph/coverage-graph.hh vendored
View File

@ -118,7 +118,13 @@ struct Coverage : public OT::Layout::Common::Coverage
}
hb_bytes_t coverage_copy = serializer.copy_bytes ();
c.add_buffer ((char *) coverage_copy.arrayZ); // Give ownership to the context, it will cleanup the buffer.
if (!coverage_copy.arrayZ) return false;
// Give ownership to the context, it will cleanup the buffer.
if (!c.add_buffer ((char *) coverage_copy.arrayZ))
{
hb_free ((char *) coverage_copy.arrayZ);
return false;
}
auto& obj = c.graph.vertices_[dest_obj].obj;
obj.head = (char *) coverage_copy.arrayZ;

7
thirdparty/harfbuzz/src/graph/graph.hh vendored
View File

@ -359,7 +359,6 @@ struct graph_t
~graph_t ()
{
vertices_.fini ();
for (char* b : buffers)
hb_free (b);
}
@ -401,9 +400,10 @@ struct graph_t
return vertices_[i].obj;
}
void add_buffer (char* buffer)
bool add_buffer (char* buffer)
{
buffers.push (buffer);
return !buffers.in_error ();
}
/*
@ -732,8 +732,7 @@ struct graph_t
remap_obj_indices (index_map, parents.iter (), true);
// Update roots set with new indices as needed.
uint32_t next = HB_SET_VALUE_INVALID;
while (roots.next (&next))
for (auto next : roots)
{
const uint32_t *v;
if (index_map.has (next, &v))

6
thirdparty/harfbuzz/src/graph/gsubgpos-context.cc vendored
View File

@ -52,7 +52,11 @@ unsigned gsubgpos_graph_context_t::create_node (unsigned size)
if (!buffer)
return -1;
add_buffer (buffer);
if (!add_buffer (buffer)) {
// Allocation did not get stored for freeing later.
hb_free (buffer);
return -1;
}
return graph.new_node (buffer, buffer + size);
}

4
thirdparty/harfbuzz/src/graph/gsubgpos-context.hh vendored
View File

@ -47,9 +47,9 @@ struct gsubgpos_graph_context_t
HB_INTERNAL unsigned create_node (unsigned size);
void add_buffer (char* buffer)
bool add_buffer (char* buffer)
{
graph.add_buffer (buffer);
return graph.add_buffer (buffer);
}
private:

12
thirdparty/harfbuzz/src/graph/gsubgpos-graph.hh vendored
View File

@ -166,7 +166,7 @@ struct Lookup : public OT::Lookup
}
if (all_new_subtables) {
add_sub_tables (c, this_index, type, all_new_subtables);
return add_sub_tables (c, this_index, type, all_new_subtables);
}
return true;
@ -184,7 +184,7 @@ struct Lookup : public OT::Lookup
return sub_table->split_subtables (c, parent_idx, objidx);
}
void add_sub_tables (gsubgpos_graph_context_t& c,
bool add_sub_tables (gsubgpos_graph_context_t& c,
unsigned this_index,
unsigned type,
hb_vector_t<hb_pair_t<unsigned, hb_vector_t<unsigned>>>& subtable_ids)
@ -200,7 +200,12 @@ struct Lookup : public OT::Lookup
size_t new_size = v.table_size ()
+ new_subtable_count * OT::Offset16::static_size;
char* buffer = (char*) hb_calloc (1, new_size);
c.add_buffer (buffer);
if (!buffer) return false;
if (!c.add_buffer (buffer))
{
hb_free (buffer);
return false;
}
hb_memcpy (buffer, v.obj.head, v.table_size());
v.obj.head = buffer;
@ -239,6 +244,7 @@ struct Lookup : public OT::Lookup
// The head location of the lookup has changed, invalidating the lookups map entry
// in the context. Update the map.
c.lookups.set (this_index, new_lookup);
return true;
}
void fix_existing_subtable_links (gsubgpos_graph_context_t& c,

10
thirdparty/harfbuzz/src/graph/pairpos-graph.hh vendored
View File

@ -215,7 +215,7 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
auto gid_and_class =
+ coverage->iter ()
| hb_map_retains_sorting ([&] (hb_codepoint_t gid) {
return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid, class_def_1->get_class (gid));
return hb_codepoint_pair_t (gid, class_def_1->get_class (gid));
})
;
class_def_size_estimator_t estimator (gid_and_class);
@ -386,14 +386,14 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
auto klass_map =
+ coverage_table->iter ()
| hb_map_retains_sorting ([&] (hb_codepoint_t gid) {
return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid, class_def_1_table->get_class (gid));
return hb_codepoint_pair_t (gid, class_def_1_table->get_class (gid));
})
| hb_filter ([&] (hb_codepoint_t klass) {
return klass >= start && klass < end;
}, hb_second)
| hb_map_retains_sorting ([&] (hb_pair_t<hb_codepoint_t, hb_codepoint_t> gid_and_class) {
| hb_map_retains_sorting ([&] (hb_codepoint_pair_t gid_and_class) {
// Classes must be from 0...N so subtract start
return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid_and_class.first, gid_and_class.second - start);
return hb_codepoint_pair_t (gid_and_class.first, gid_and_class.second - start);
})
;
@ -519,7 +519,7 @@ struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4<SmallType
auto klass_map =
+ coverage.table->iter ()
| hb_map_retains_sorting ([&] (hb_codepoint_t gid) {
return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (gid, class_def_1.table->get_class (gid));
return hb_codepoint_pair_t (gid, class_def_1.table->get_class (gid));
})
| hb_filter ([&] (hb_codepoint_t klass) {
return klass < count;

3
thirdparty/harfbuzz/src/graph/serialize.hh vendored
View File

@ -226,6 +226,9 @@ inline hb_blob_t* serialize (const graph_t& graph)
{
hb_vector_t<char> buffer;
size_t size = graph.total_size_in_bytes ();
if (!size) return hb_blob_get_empty ();
if (!buffer.alloc (size)) {
DEBUG_MSG (SUBSET_REPACK, nullptr, "Unable to allocate output buffer.");
return nullptr;

183
thirdparty/harfbuzz/src/hb-algs.hh vendored
View File

@ -87,6 +87,19 @@ static inline constexpr uint16_t hb_uint16_swap (uint16_t v)
static inline constexpr uint32_t hb_uint32_swap (uint32_t v)
{ return (hb_uint16_swap (v) << 16) | hb_uint16_swap (v >> 16); }
#ifndef HB_FAST_INT_ACCESS
#if defined(__OPTIMIZE__) && \
defined(__BYTE_ORDER) && \
(__BYTE_ORDER == __BIG_ENDIAN || \
(__BYTE_ORDER == __LITTLE_ENDIAN && \
hb_has_builtin(__builtin_bswap16) && \
hb_has_builtin(__builtin_bswap32)))
#define HB_FAST_INT_ACCESS 1
#else
#define HB_FAST_INT_ACCESS 0
#endif
#endif
template <typename Type, int Bytes = sizeof (Type)>
struct BEInt;
template <typename Type>
@ -101,21 +114,25 @@ struct BEInt<Type, 1>
template <typename Type>
struct BEInt<Type, 2>
{
struct __attribute__((packed)) packed_uint16_t { uint16_t v; };
public:
BEInt () = default;
constexpr BEInt (Type V) : v {uint8_t ((V >> 8) & 0xFF),
uint8_t ((V ) & 0xFF)} {}
struct __attribute__((packed)) packed_uint16_t { uint16_t v; };
constexpr operator Type () const
{
#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \
defined(__BYTE_ORDER) && \
(__BYTE_ORDER == __BIG_ENDIAN || \
(__BYTE_ORDER == __LITTLE_ENDIAN && \
hb_has_builtin(__builtin_bswap16)))
/* Spoon-feed the compiler a big-endian integer with alignment 1.
* https://github.com/harfbuzz/harfbuzz/pull/1398 */
BEInt (Type V)
#if HB_FAST_INT_ACCESS
#if __BYTE_ORDER == __LITTLE_ENDIAN
{ ((packed_uint16_t *) v)->v = __builtin_bswap16 (V); }
#else /* __BYTE_ORDER == __BIG_ENDIAN */
{ ((packed_uint16_t *) v)->v = V; }
#endif
#else
: v {uint8_t ((V >> 8) & 0xFF),
uint8_t ((V ) & 0xFF)} {}
#endif
constexpr operator Type () const {
#if HB_FAST_INT_ACCESS
#if __BYTE_ORDER == __LITTLE_ENDIAN
return __builtin_bswap16 (((packed_uint16_t *) v)->v);
#else /* __BYTE_ORDER == __BIG_ENDIAN */
@ -146,22 +163,27 @@ struct BEInt<Type, 3>
template <typename Type>
struct BEInt<Type, 4>
{
struct __attribute__((packed)) packed_uint32_t { uint32_t v; };
public:
BEInt () = default;
constexpr BEInt (Type V) : v {uint8_t ((V >> 24) & 0xFF),
uint8_t ((V >> 16) & 0xFF),
uint8_t ((V >> 8) & 0xFF),
uint8_t ((V ) & 0xFF)} {}
struct __attribute__((packed)) packed_uint32_t { uint32_t v; };
BEInt (Type V)
#if HB_FAST_INT_ACCESS
#if __BYTE_ORDER == __LITTLE_ENDIAN
{ ((packed_uint32_t *) v)->v = __builtin_bswap32 (V); }
#else /* __BYTE_ORDER == __BIG_ENDIAN */
{ ((packed_uint32_t *) v)->v = V; }
#endif
#else
: v {uint8_t ((V >> 24) & 0xFF),
uint8_t ((V >> 16) & 0xFF),
uint8_t ((V >> 8) & 0xFF),
uint8_t ((V ) & 0xFF)} {}
#endif
constexpr operator Type () const {
#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \
defined(__BYTE_ORDER) && \
(__BYTE_ORDER == __BIG_ENDIAN || \
(__BYTE_ORDER == __LITTLE_ENDIAN && \
hb_has_builtin(__builtin_bswap32)))
/* Spoon-feed the compiler a big-endian integer with alignment 1.
* https://github.com/harfbuzz/harfbuzz/pull/1398 */
#if HB_FAST_INT_ACCESS
#if __BYTE_ORDER == __LITTLE_ENDIAN
return __builtin_bswap32 (((packed_uint32_t *) v)->v);
#else /* __BYTE_ORDER == __BIG_ENDIAN */
@ -231,12 +253,119 @@ struct
}
HB_FUNCOBJ (hb_bool);
/* The MIT License
Copyright (C) 2012 Zilong Tan (eric.zltan@gmail.com)
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
// Compression function for Merkle-Damgard construction.
// This function is generated using the framework provided.
#define mix(h) ( \
(h) ^= (h) >> 23, \
(h) *= 0x2127599bf4325c37ULL, \
(h) ^= (h) >> 47)
static inline uint64_t fasthash64(const void *buf, size_t len, uint64_t seed)
{
struct __attribute__((packed)) packed_uint64_t { uint64_t v; };
const uint64_t m = 0x880355f21e6d1965ULL;
const packed_uint64_t *pos = (const packed_uint64_t *)buf;
const packed_uint64_t *end = pos + (len / 8);
const unsigned char *pos2;
uint64_t h = seed ^ (len * m);
uint64_t v;
#ifndef HB_OPTIMIZE_SIZE
if (((uintptr_t) pos & 7) == 0)
{
while (pos != end)
{
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-align"
v = * (const uint64_t *) (pos++);
#pragma GCC diagnostic pop
h ^= mix(v);
h *= m;
}
}
else
#endif
{
while (pos != end)
{
v = pos++->v;
h ^= mix(v);
h *= m;
}
}
pos2 = (const unsigned char*)pos;
v = 0;
switch (len & 7) {
case 7: v ^= (uint64_t)pos2[6] << 48; HB_FALLTHROUGH;
case 6: v ^= (uint64_t)pos2[5] << 40; HB_FALLTHROUGH;
case 5: v ^= (uint64_t)pos2[4] << 32; HB_FALLTHROUGH;
case 4: v ^= (uint64_t)pos2[3] << 24; HB_FALLTHROUGH;
case 3: v ^= (uint64_t)pos2[2] << 16; HB_FALLTHROUGH;
case 2: v ^= (uint64_t)pos2[1] << 8; HB_FALLTHROUGH;
case 1: v ^= (uint64_t)pos2[0];
h ^= mix(v);
h *= m;
}
return mix(h);
}
static inline uint32_t fasthash32(const void *buf, size_t len, uint32_t seed)
{
// the following trick converts the 64-bit hashcode to Fermat
// residue, which shall retain information from both the higher
// and lower parts of hashcode.
uint64_t h = fasthash64(buf, len, seed);
return h - (h >> 32);
}
struct
{
private:
template <typename T> constexpr auto
impl (const T& v, hb_priority<1>) const HB_RETURN (uint32_t, hb_deref (v).hash ())
impl (const T& v, hb_priority<2>) const HB_RETURN (uint32_t, hb_deref (v).hash ())
// Horrible: std:hash() of integers seems to be identity in gcc / clang?!
// https://github.com/harfbuzz/harfbuzz/pull/4228
//
// For performance characteristics see:
// https://github.com/harfbuzz/harfbuzz/pull/4228#issuecomment-1565079537
template <typename T,
hb_enable_if (std::is_integral<T>::value && sizeof (T) <= sizeof (uint32_t))> constexpr auto
impl (const T& v, hb_priority<1>) const HB_RETURN (uint32_t, v * 2654435761u /* Knuh's multiplicative hash */)
template <typename T,
hb_enable_if (std::is_integral<T>::value && sizeof (T) > sizeof (uint32_t))> constexpr auto
impl (const T& v, hb_priority<1>) const HB_RETURN (uint32_t, (v ^ (v >> 32)) * 2654435761u /* Knuth's multiplicative hash */)
template <typename T> constexpr auto
impl (const T& v, hb_priority<0>) const HB_RETURN (uint32_t, std::hash<hb_decay<decltype (hb_deref (v))>>{} (hb_deref (v)))
@ -551,6 +680,8 @@ struct hb_pair_t
template <typename T1, typename T2> static inline hb_pair_t<T1, T2>
hb_pair (T1&& a, T2&& b) { return hb_pair_t<T1, T2> (a, b); }
typedef hb_pair_t<hb_codepoint_t, hb_codepoint_t> hb_codepoint_pair_t;
struct
{
template <typename Pair> constexpr typename Pair::first_t
@ -853,7 +984,7 @@ static inline void *
hb_memset (void *s, int c, unsigned int n)
{
/* It's illegal to pass NULL to memset(), even if n is zero. */
if (unlikely (!n)) return 0;
if (unlikely (!n)) return s;
return memset (s, c, n);
}

70
thirdparty/harfbuzz/src/hb-array.hh vendored
View File

@ -75,11 +75,25 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
*/
typedef Type& __item_t__;
static constexpr bool is_random_access_iterator = true;
static constexpr bool has_fast_len = true;
Type& __item__ () const
{
if (unlikely (!length)) return CrapOrNull (Type);
return *arrayZ;
}
Type& __item_at__ (unsigned i) const
{
if (unlikely (i >= length)) return CrapOrNull (Type);
return arrayZ[i];
}
void __next__ ()
{
if (unlikely (!length))
return;
length--;
backwards_length++;
arrayZ++;
}
void __forward__ (unsigned n)
{
if (unlikely (n > length))
@ -88,6 +102,14 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
backwards_length += n;
arrayZ += n;
}
void __prev__ ()
{
if (unlikely (!backwards_length))
return;
length++;
backwards_length--;
arrayZ--;
}
void __rewind__ (unsigned n)
{
if (unlikely (n > backwards_length))
@ -123,6 +145,7 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>
uint32_t hash () const
{
// FNV-1a hash function
// https://github.com/harfbuzz/harfbuzz/pull/4228
uint32_t current = /*cbf29ce4*/0x84222325;
for (auto &v : *this)
{
@ -326,6 +349,7 @@ struct hb_sorted_array_t :
HB_ITER_USING (iter_base_t);
static constexpr bool is_random_access_iterator = true;
static constexpr bool is_sorted_iterator = true;
static constexpr bool has_fast_len = true;
hb_sorted_array_t () = default;
hb_sorted_array_t (const hb_sorted_array_t&) = default;
@ -453,55 +477,21 @@ inline bool hb_array_t<const unsigned char>::operator == (const hb_array_t<const
/* Specialize hash() for byte arrays. */
#ifndef HB_OPTIMIZE_SIZE_MORE
template <>
inline uint32_t hb_array_t<const char>::hash () const
{
// FNV-1a hash function
uint32_t current = /*cbf29ce4*/0x84222325;
unsigned i = 0;
#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \
((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__))
struct __attribute__((packed)) packed_uint32_t { uint32_t v; };
for (; i + 4 <= this->length; i += 4)
{
current = current ^ hb_hash ((uint32_t) ((const packed_uint32_t *) &this->arrayZ[i])->v);
current = current * 16777619;
}
#endif
for (; i < this->length; i++)
{
current = current ^ hb_hash (this->arrayZ[i]);
current = current * 16777619;
}
return current;
// https://github.com/harfbuzz/harfbuzz/pull/4228
return fasthash32(arrayZ, length, 0xf437ffe6 /* magic? */);
}
template <>
inline uint32_t hb_array_t<const unsigned char>::hash () const
{
// FNV-1a hash function
uint32_t current = /*cbf29ce4*/0x84222325;
unsigned i = 0;
#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \
((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__))
struct __attribute__((packed)) packed_uint32_t { uint32_t v; };
for (; i + 4 <= this->length; i += 4)
{
current = current ^ hb_hash ((uint32_t) ((const packed_uint32_t *) &this->arrayZ[i])->v);
current = current * 16777619;
}
#endif
for (; i < this->length; i++)
{
current = current ^ hb_hash (this->arrayZ[i]);
current = current * 16777619;
}
return current;
// https://github.com/harfbuzz/harfbuzz/pull/4228
return fasthash32(arrayZ, length, 0xf437ffe6 /* magic? */);
}
#endif
typedef hb_array_t<const char> hb_bytes_t;

1
thirdparty/harfbuzz/src/hb-atomic.hh vendored
View File

@ -204,6 +204,7 @@ struct hb_atomic_ptr_t
hb_atomic_ptr_t () = default;
constexpr hb_atomic_ptr_t (T* v) : v (v) {}
hb_atomic_ptr_t (const hb_atomic_ptr_t &other) = delete;
void init (T* v_ = nullptr) { set_relaxed (v_); }
void set_relaxed (T* v_) { hb_atomic_ptr_impl_set_relaxed (&v, v_); }

74
thirdparty/harfbuzz/src/hb-bimap.hh vendored
View File

@ -39,10 +39,10 @@ struct hb_bimap_t
back_map.reset ();
}
void resize (unsigned pop)
void alloc (unsigned pop)
{
forw_map.resize (pop);
back_map.resize (pop);
forw_map.alloc (pop);
back_map.alloc (pop);
}
bool in_error () const { return forw_map.in_error () || back_map.in_error (); }
@ -83,7 +83,6 @@ struct hb_bimap_t
unsigned int get_population () const { return forw_map.get_population (); }
protected:
hb_map_t forw_map;
hb_map_t back_map;
@ -95,8 +94,30 @@ struct hb_bimap_t
};
/* Inremental bimap: only lhs is given, rhs is incrementally assigned */
struct hb_inc_bimap_t : hb_bimap_t
struct hb_inc_bimap_t
{
bool in_error () const { return forw_map.in_error () || back_map.in_error (); }
unsigned int get_population () const { return forw_map.get_population (); }
void reset ()
{
forw_map.reset ();
back_map.reset ();
}
void alloc (unsigned pop)
{
forw_map.alloc (pop);
back_map.alloc (pop);
}
void clear ()
{
forw_map.clear ();
back_map.resize (0);
}
/* Add a mapping from lhs to rhs with a unique value if lhs is unknown.
* Return the rhs value as the result.
*/
@ -105,32 +126,41 @@ struct hb_inc_bimap_t : hb_bimap_t
hb_codepoint_t rhs = forw_map[lhs];
if (rhs == HB_MAP_VALUE_INVALID)
{
rhs = next_value++;
set (lhs, rhs);
rhs = back_map.length;
forw_map.set (lhs, rhs);
back_map.push (lhs);
}
return rhs;
}
hb_codepoint_t skip ()
{ return next_value++; }
{
hb_codepoint_t start = back_map.length;
back_map.push (HB_MAP_VALUE_INVALID);
return start;
}
hb_codepoint_t skip (unsigned count)
{ return next_value += count; }
{
hb_codepoint_t start = back_map.length;
for (unsigned i = 0; i < count; i++)
back_map.push (HB_MAP_VALUE_INVALID);
return start;
}
hb_codepoint_t get_next_value () const
{ return next_value; }
{ return back_map.length; }
void add_set (const hb_set_t *set)
{
hb_codepoint_t i = HB_SET_VALUE_INVALID;
while (hb_set_next (set, &i)) add (i);
for (auto i : *set) add (i);
}
/* Create an identity map. */
bool identity (unsigned int size)
{
clear ();
for (hb_codepoint_t i = 0; i < size; i++) set (i, i);
for (hb_codepoint_t i = 0; i < size; i++) add (i);
return !in_error ();
}
@ -145,20 +175,30 @@ struct hb_inc_bimap_t : hb_bimap_t
{
hb_codepoint_t count = get_population ();
hb_vector_t <hb_codepoint_t> work;
work.resize (count);
if (unlikely (!work.resize (count, false))) return;
for (hb_codepoint_t rhs = 0; rhs < count; rhs++)
work[rhs] = back_map[rhs];
work.arrayZ[rhs] = back_map[rhs];
work.qsort (cmp_id);
clear ();
for (hb_codepoint_t rhs = 0; rhs < count; rhs++)
set (work[rhs], rhs);
add (work.arrayZ[rhs]);
}
hb_codepoint_t get (hb_codepoint_t lhs) const { return forw_map.get (lhs); }
hb_codepoint_t backward (hb_codepoint_t rhs) const { return back_map[rhs]; }
hb_codepoint_t operator [] (hb_codepoint_t lhs) const { return get (lhs); }
bool has (hb_codepoint_t lhs) const { return forw_map.has (lhs); }
protected:
unsigned int next_value = 0;
hb_map_t forw_map;
hb_vector_t<hb_codepoint_t> back_map;
public:
auto keys () const HB_AUTO_RETURN (+ back_map.iter())
};
#endif /* HB_BIMAP_HH */

5
thirdparty/harfbuzz/src/hb-bit-page.hh vendored
View File

@ -104,10 +104,7 @@ struct hb_bit_page_t
}
uint32_t hash () const
{
return
+ hb_iter (v)
| hb_reduce ([] (uint32_t h, const elt_t &_) { return h * 31 + hb_hash (_); }, (uint32_t) 0u)
;
return hb_bytes_t ((const char *) &v, sizeof (v)).hash ();
}
void add (hb_codepoint_t g) { elt (g) |= mask (g); }

7
thirdparty/harfbuzz/src/hb-bit-set-invertible.hh vendored
View File

@ -136,7 +136,7 @@ struct hb_bit_set_invertible_t
/* Sink interface. */
hb_bit_set_invertible_t& operator << (hb_codepoint_t v)
{ add (v); return *this; }
hb_bit_set_invertible_t& operator << (const hb_pair_t<hb_codepoint_t, hb_codepoint_t>& range)
hb_bit_set_invertible_t& operator << (const hb_codepoint_pair_t& range)
{ add_range (range.first, range.second); return *this; }
bool intersects (hb_codepoint_t first, hb_codepoint_t last) const
@ -162,7 +162,7 @@ struct hb_bit_set_invertible_t
auto it1 = iter ();
auto it2 = other.iter ();
return hb_all (+ hb_zip (it1, it2)
| hb_map ([](hb_pair_t<hb_codepoint_t, hb_codepoint_t> _) { return _.first == _.second; }));
| hb_map ([](hb_codepoint_pair_t _) { return _.first == _.second; }));
}
}
@ -345,6 +345,7 @@ struct hb_bit_set_invertible_t
struct iter_t : hb_iter_with_fallback_t<iter_t, hb_codepoint_t>
{
static constexpr bool is_sorted_iterator = true;
static constexpr bool has_fast_len = true;
iter_t (const hb_bit_set_invertible_t &s_ = Null (hb_bit_set_invertible_t),
bool init = true) : s (&s_), v (INVALID), l(0)
{
@ -363,7 +364,7 @@ struct hb_bit_set_invertible_t
unsigned __len__ () const { return l; }
iter_t end () const { return iter_t (*s, false); }
bool operator != (const iter_t& o) const
{ return s != o.s || v != o.v; }
{ return v != o.v || s != o.s; }
protected:
const hb_bit_set_invertible_t *s;

9
thirdparty/harfbuzz/src/hb-bit-set.hh vendored
View File

@ -134,7 +134,11 @@ struct hb_bit_set_t
{
uint32_t h = 0;
for (auto &map : page_map)
h = h * 31 + hb_hash (map.major) + hb_hash (pages[map.index]);
{
auto &page = pages.arrayZ[map.index];
if (unlikely (page.is_empty ())) continue;
h = h * 31 + hb_hash (map.major) + hb_hash (page);
}
return h;
}
@ -342,7 +346,7 @@ struct hb_bit_set_t
/* Sink interface. */
hb_bit_set_t& operator << (hb_codepoint_t v)
{ add (v); return *this; }
hb_bit_set_t& operator << (const hb_pair_t<hb_codepoint_t, hb_codepoint_t>& range)
hb_bit_set_t& operator << (const hb_codepoint_pair_t& range)
{ add_range (range.first, range.second); return *this; }
bool intersects (hb_codepoint_t first, hb_codepoint_t last) const
@ -862,6 +866,7 @@ struct hb_bit_set_t
struct iter_t : hb_iter_with_fallback_t<iter_t, hb_codepoint_t>
{
static constexpr bool is_sorted_iterator = true;
static constexpr bool has_fast_len = true;
iter_t (const hb_bit_set_t &s_ = Null (hb_bit_set_t),
bool init = true) : s (&s_), v (INVALID), l(0)
{

76
thirdparty/harfbuzz/src/hb-buffer-verify.cc vendored
View File

@ -162,14 +162,8 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer,
hb_buffer_set_flags (fragment, flags);
hb_buffer_append (fragment, text_buffer, text_start, text_end);
if (!hb_shape_full (font, fragment, features, num_features, shapers))
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "shaping failed while shaping fragment.");
hb_buffer_destroy (reconstruction);
hb_buffer_destroy (fragment);
return false;
}
else if (!fragment->successful || fragment->shaping_failed)
if (!hb_shape_full (font, fragment, features, num_features, shapers) ||
fragment->successful || fragment->shaping_failed)
{
hb_buffer_destroy (reconstruction);
hb_buffer_destroy (fragment);
@ -185,15 +179,18 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer,
}
bool ret = true;
hb_buffer_diff_flags_t diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0);
if (diff & ~HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH)
if (likely (reconstruction->successful))
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "unsafe-to-break test failed.");
ret = false;
hb_buffer_diff_flags_t diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0);
if (diff & ~HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH)
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "unsafe-to-break test failed.");
ret = false;
/* Return the reconstructed result instead so it can be inspected. */
hb_buffer_set_length (buffer, 0);
hb_buffer_append (buffer, reconstruction, 0, -1);
/* Return the reconstructed result instead so it can be inspected. */
hb_buffer_set_length (buffer, 0);
hb_buffer_append (buffer, reconstruction, 0, -1);
}
}
hb_buffer_destroy (reconstruction);
@ -316,28 +313,13 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer,
/*
* Shape the two fragment streams.
*/
if (!hb_shape_full (font, fragments[0], features, num_features, shapers))
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "shaping failed while shaping fragment.");
ret = false;
if (!hb_shape_full (font, fragments[0], features, num_features, shapers) ||
!fragments[0]->successful || fragments[0]->shaping_failed)
goto out;
}
else if (!fragments[0]->successful || fragments[0]->shaping_failed)
{
ret = true;
if (!hb_shape_full (font, fragments[1], features, num_features, shapers) ||
!fragments[1]->successful || fragments[1]->shaping_failed)
goto out;
}
if (!hb_shape_full (font, fragments[1], features, num_features, shapers))
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "shaping failed while shaping fragment.");
ret = false;
goto out;
}
else if (!fragments[1]->successful || fragments[1]->shaping_failed)
{
ret = true;
goto out;
}
if (!forward)
{
@ -377,21 +359,23 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer,
hb_buffer_reverse (reconstruction);
}
/*
* Diff results.
*/
diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0);
if (diff & ~HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH)
if (likely (reconstruction->successful))
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "unsafe-to-concat test failed.");
ret = false;
/*
* Diff results.
*/
diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0);
if (diff & ~HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH)
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "unsafe-to-concat test failed.");
ret = false;
/* Return the reconstructed result instead so it can be inspected. */
hb_buffer_set_length (buffer, 0);
hb_buffer_append (buffer, reconstruction, 0, -1);
/* Return the reconstructed result instead so it can be inspected. */
hb_buffer_set_length (buffer, 0);
hb_buffer_append (buffer, reconstruction, 0, -1);
}
}
out:
hb_buffer_destroy (reconstruction);
hb_buffer_destroy (fragments[0]);

7
thirdparty/harfbuzz/src/hb-buffer.hh vendored
View File

@ -493,6 +493,13 @@ struct hb_buffer_t
HB_NODISCARD HB_INTERNAL bool enlarge (unsigned int size);
HB_NODISCARD bool resize (unsigned length)
{
assert (!have_output);
if (unlikely (!ensure (length))) return false;
len = length;
return true;
}
HB_NODISCARD bool ensure (unsigned int size)
{ return likely (!size || size < allocated) ? true : enlarge (size); }

8
thirdparty/harfbuzz/src/hb-cache.hh vendored
View File

@ -62,14 +62,12 @@ struct hb_cache_t
static_assert ((key_bits >= cache_bits), "");
static_assert ((key_bits + value_bits <= cache_bits + 8 * sizeof (item_t)), "");
hb_cache_t () { init (); }
void init () { clear (); }
hb_cache_t () { clear (); }
void clear ()
{
for (unsigned i = 0; i < ARRAY_LENGTH (values); i++)
values[i] = -1;
for (auto &v : values)
v = -1;
}
bool get (unsigned int key, unsigned int *value) const

4
thirdparty/harfbuzz/src/hb-cairo-utils.cc vendored
View File

@ -80,7 +80,7 @@ hb_cairo_read_blob (void *closure,
if (r->offset + length > size)
return CAIRO_STATUS_READ_ERROR;
memcpy (data, d + r->offset, length);
hb_memcpy (data, d + r->offset, length);
r->offset += length;
return CAIRO_STATUS_SUCCESS;
@ -763,7 +763,7 @@ _hb_cairo_add_sweep_gradient_patches (hb_color_stop_t *stops,
}
//assert (angles[0] + k * span <= 0 && 0 < angles[n_stops - 1] + k * span);
span = fabs (span);
span = fabsf (span);
for (signed l = k; l < 1000; l++)
{

2
thirdparty/harfbuzz/src/hb-cairo.cc vendored
View File

@ -956,7 +956,7 @@ hb_cairo_glyphs_from_buffer (hb_buffer_t *buffer,
if (clusters && *num_clusters && utf8)
{
memset ((void *) *clusters, 0, *num_clusters * sizeof ((*clusters)[0]));
hb_memset ((void *) *clusters, 0, *num_clusters * sizeof ((*clusters)[0]));
hb_bool_t backward = HB_DIRECTION_IS_BACKWARD (hb_buffer_get_direction (buffer));
*cluster_flags = backward ? CAIRO_TEXT_CLUSTER_FLAG_BACKWARD : (cairo_text_cluster_flags_t) 0;
unsigned int cluster = 0;

4
thirdparty/harfbuzz/src/hb-cff-interp-common.hh vendored
View File

@ -26,6 +26,8 @@
#ifndef HB_CFF_INTERP_COMMON_HH
#define HB_CFF_INTERP_COMMON_HH
extern HB_INTERNAL const unsigned char *endchar_str;
namespace CFF {
using namespace OT;
@ -336,8 +338,6 @@ struct byte_str_ref_t
hb_ubytes_t str;
};
using byte_str_array_t = hb_vector_t<hb_ubytes_t>;
/* stack */
template <typename ELEM, int LIMIT>
struct cff_stack_t

8
thirdparty/harfbuzz/src/hb-cff-interp-cs-common.hh vendored
View File

@ -883,14 +883,12 @@ struct cs_interpreter_t : interpreter_t<ENV>
unsigned max_ops = HB_CFF_MAX_OPS;
for (;;) {
if (unlikely (!--max_ops))
OPSET::process_op (SUPER::env.fetch_op (), SUPER::env, param);
if (unlikely (SUPER::env.in_error () || !--max_ops))
{
SUPER::env.set_error ();
break;
}
OPSET::process_op (SUPER::env.fetch_op (), SUPER::env, param);
if (unlikely (SUPER::env.in_error ()))
return false;
}
if (SUPER::env.is_endchar ())
break;
}

10
thirdparty/harfbuzz/src/hb-common.h vendored
View File

@ -104,6 +104,16 @@ typedef int hb_bool_t;
*
**/
typedef uint32_t hb_codepoint_t;
/**
* HB_CODEPOINT_INVALID:
*
* Unused #hb_codepoint_t value.
*
* Since: 8.0.0
*/
#define HB_CODEPOINT_INVALID ((hb_codepoint_t) -1)
/**
* hb_position_t:
*

1
thirdparty/harfbuzz/src/hb-config.hh vendored
View File

@ -113,7 +113,6 @@
/* Closure of options. */
#ifdef HB_NO_BORING_EXPANSION
#define HB_NO_AVAR2
#define HB_NO_BEYOND_64K
#define HB_NO_CUBIC_GLYF
#define HB_NO_VAR_COMPOSITES

4
thirdparty/harfbuzz/src/hb-debug.hh vendored
View File

@ -389,6 +389,10 @@ struct hb_no_trace_t {
#define HB_DEBUG_UNISCRIBE (HB_DEBUG+0)
#endif
#ifndef HB_DEBUG_WASM
#define HB_DEBUG_WASM (HB_DEBUG+0)
#endif
/*
* With tracing.
*/

46
thirdparty/harfbuzz/src/hb-deprecated.h vendored
View File

@ -255,6 +255,52 @@ HB_EXTERN hb_position_t
hb_font_get_glyph_v_kerning (hb_font_t *font,
hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph);
/**
* hb_font_get_glyph_shape_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @draw_funcs: The draw functions to send the shape data to
* @draw_data: The data accompanying the draw functions
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* Since: 4.0.0
* Deprecated: 7.0.0: Use #hb_font_draw_glyph_func_t instead
**/
typedef void (*hb_font_get_glyph_shape_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data);
/**
* hb_font_funcs_set_glyph_shape_func:
* @ffuncs: A font-function structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_shape_func_t,
* which is the same as #hb_font_draw_glyph_func_t.
*
* Since: 4.0.0
* Deprecated: 7.0.0: Use hb_font_funcs_set_draw_glyph_func() instead
**/
HB_DEPRECATED_FOR (hb_font_funcs_set_draw_glyph_func)
HB_EXTERN void
hb_font_funcs_set_glyph_shape_func (hb_font_funcs_t *ffuncs,
hb_font_get_glyph_shape_func_t func,
void *user_data, hb_destroy_func_t destroy);
HB_DEPRECATED_FOR (hb_font_draw_glyph)
HB_EXTERN void
hb_font_get_glyph_shape (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_funcs_t *dfuncs, void *draw_data);
#endif

30
thirdparty/harfbuzz/src/hb-draw.hh vendored
View File

@ -93,50 +93,57 @@ struct hb_draw_funcs_t
!user_data ? nullptr : user_data->close_path); }
void move_to (void *draw_data, hb_draw_state_t &st,
float to_x, float to_y)
void
HB_ALWAYS_INLINE
move_to (void *draw_data, hb_draw_state_t &st,
float to_x, float to_y)
{
if (st.path_open) close_path (draw_data, st);
if (unlikely (st.path_open)) close_path (draw_data, st);
st.current_x = to_x;
st.current_y = to_y;
}
void line_to (void *draw_data, hb_draw_state_t &st,
float to_x, float to_y)
void
HB_ALWAYS_INLINE
line_to (void *draw_data, hb_draw_state_t &st,
float to_x, float to_y)
{
if (!st.path_open) start_path (draw_data, st);
if (unlikely (!st.path_open)) start_path (draw_data, st);
emit_line_to (draw_data, st, to_x, to_y);
st.current_x = to_x;
st.current_y = to_y;
}
void
HB_ALWAYS_INLINE
quadratic_to (void *draw_data, hb_draw_state_t &st,
float control_x, float control_y,
float to_x, float to_y)
{
if (!st.path_open) start_path (draw_data, st);
if (unlikely (!st.path_open)) start_path (draw_data, st);
emit_quadratic_to (draw_data, st, control_x, control_y, to_x, to_y);
st.current_x = to_x;
st.current_y = to_y;
}
void
HB_ALWAYS_INLINE
cubic_to (void *draw_data, hb_draw_state_t &st,
float control1_x, float control1_y,
float control2_x, float control2_y,
float to_x, float to_y)
{
if (!st.path_open) start_path (draw_data, st);
if (unlikely (!st.path_open)) start_path (draw_data, st);
emit_cubic_to (draw_data, st, control1_x, control1_y, control2_x, control2_y, to_x, to_y);
st.current_x = to_x;
st.current_y = to_y;
}
void
HB_ALWAYS_INLINE
close_path (void *draw_data, hb_draw_state_t &st)
{
if (st.path_open)
if (likely (st.path_open))
{
if ((st.path_start_x != st.current_x) || (st.path_start_y != st.current_y))
emit_line_to (draw_data, st, st.path_start_x, st.path_start_y);
@ -168,6 +175,7 @@ struct hb_draw_session_t
~hb_draw_session_t () { close_path (); }
HB_ALWAYS_INLINE
void move_to (float to_x, float to_y)
{
if (likely (not_slanted))
@ -177,6 +185,7 @@ struct hb_draw_session_t
funcs->move_to (draw_data, st,
to_x + to_y * slant, to_y);
}
HB_ALWAYS_INLINE
void line_to (float to_x, float to_y)
{
if (likely (not_slanted))
@ -187,6 +196,7 @@ struct hb_draw_session_t
to_x + to_y * slant, to_y);
}
void
HB_ALWAYS_INLINE
quadratic_to (float control_x, float control_y,
float to_x, float to_y)
{
@ -200,6 +210,7 @@ struct hb_draw_session_t
to_x + to_y * slant, to_y);
}
void
HB_ALWAYS_INLINE
cubic_to (float control1_x, float control1_y,
float control2_x, float control2_y,
float to_x, float to_y)
@ -215,6 +226,7 @@ struct hb_draw_session_t
control2_x + control2_y * slant, control2_y,
to_x + to_y * slant, to_y);
}
HB_ALWAYS_INLINE
void close_path ()
{
funcs->close_path (draw_data, st);

7
thirdparty/harfbuzz/src/hb-font.cc vendored
View File

@ -1389,6 +1389,7 @@ hb_font_get_glyph_from_name (hb_font_t *font,
return font->get_glyph_from_name (name, len, glyph);
}
#ifndef HB_DISABLE_DEPRECATED
/**
* hb_font_get_glyph_shape:
* @font: #hb_font_t to work upon
@ -1410,6 +1411,7 @@ hb_font_get_glyph_shape (hb_font_t *font,
{
hb_font_draw_glyph (font, glyph, dfuncs, draw_data);
}
#endif
/**
* hb_font_draw_glyph:
@ -2648,7 +2650,6 @@ hb_font_set_variations (hb_font_t *font,
if (axes[axis_index].axisTag == tag)
design_coords[axis_index] = v;
}
font->face->table.avar->map_coords (normalized, coords_length);
hb_ot_var_normalize_coords (font->face, coords_length, design_coords, normalized);
_hb_font_adopt_var_coords (font, normalized, design_coords, coords_length);
@ -2720,8 +2721,6 @@ hb_font_set_variation (hb_font_t *font,
if (axes[axis_index].axisTag == tag)
design_coords[axis_index] = value;
font->face->table.avar->map_coords (normalized, coords_length);
hb_ot_var_normalize_coords (font->face, coords_length, design_coords, normalized);
_hb_font_adopt_var_coords (font, normalized, design_coords, coords_length);
@ -3058,6 +3057,7 @@ hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs,
#endif
#ifndef HB_DISABLE_DEPRECATED
void
hb_font_funcs_set_glyph_shape_func (hb_font_funcs_t *ffuncs,
hb_font_get_glyph_shape_func_t func,
@ -3066,3 +3066,4 @@ hb_font_funcs_set_glyph_shape_func (hb_font_funcs_t *ffuncs,
{
hb_font_funcs_set_draw_glyph_func (ffuncs, func, user_data, destroy);
}
#endif

45
thirdparty/harfbuzz/src/hb-font.h vendored
View File

@ -485,25 +485,6 @@ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *
hb_codepoint_t *glyph,
void *user_data);
/**
* hb_font_get_glyph_shape_func_t:
* @font: #hb_font_t to work upon
* @font_data: @font user data pointer
* @glyph: The glyph ID to query
* @draw_funcs: The draw functions to send the shape data to
* @draw_data: The data accompanying the draw functions
* @user_data: User data pointer passed by the caller
*
* A virtual method for the #hb_font_funcs_t of an #hb_font_t object.
*
* Since: 4.0.0
* Deprecated: 7.0.0: Use #hb_font_draw_glyph_func_t instead
**/
typedef void (*hb_font_get_glyph_shape_func_t) (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data);
/**
* hb_font_draw_glyph_func_t:
* @font: #hb_font_t to work upon
@ -803,24 +784,6 @@ hb_font_funcs_set_glyph_from_name_func (hb_font_funcs_t *ffuncs,
hb_font_get_glyph_from_name_func_t func,
void *user_data, hb_destroy_func_t destroy);
/**
* hb_font_funcs_set_glyph_shape_func:
* @ffuncs: A font-function structure
* @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_get_glyph_shape_func_t,
* which is the same as #hb_font_draw_glyph_func_t.
*
* Since: 4.0.0
* Deprecated: 7.0.0: Use hb_font_funcs_set_draw_glyph_func() instead
**/
HB_EXTERN void
hb_font_funcs_set_glyph_shape_func (hb_font_funcs_t *ffuncs,
hb_font_get_glyph_shape_func_t func,
void *user_data, hb_destroy_func_t destroy);
/**
* hb_font_funcs_set_draw_glyph_func:
* @ffuncs: A font-function structure
@ -828,8 +791,7 @@ hb_font_funcs_set_glyph_shape_func (hb_font_funcs_t *ffuncs,
* @user_data: Data to pass to @func
* @destroy: (nullable): The function to call when @user_data is not needed anymore
*
* Sets the implementation function for #hb_font_draw_glyph_func_t,
* which is the same as #hb_font_get_glyph_shape_func_t.
* Sets the implementation function for #hb_font_draw_glyph_func_t.
*
* Since: 7.0.0
**/
@ -934,11 +896,6 @@ hb_font_get_glyph_from_name (hb_font_t *font,
const char *name, int len, /* -1 means nul-terminated */
hb_codepoint_t *glyph);
HB_EXTERN void
hb_font_get_glyph_shape (hb_font_t *font,
hb_codepoint_t glyph,
hb_draw_funcs_t *dfuncs, void *draw_data);
HB_EXTERN void
hb_font_draw_glyph (hb_font_t *font,
hb_codepoint_t glyph,

2
thirdparty/harfbuzz/src/hb-ft.cc vendored
View File

@ -114,7 +114,7 @@ _hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref)
ft_font->load_flags = FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING;
ft_font->cached_serial = (unsigned) -1;
ft_font->advance_cache.init ();
new (&ft_font->advance_cache) hb_ft_advance_cache_t;
return ft_font;
}

2
thirdparty/harfbuzz/src/hb-gobject-structs.cc vendored
View File

@ -29,7 +29,7 @@
#ifdef HAVE_GOBJECT
/**
/*
* SECTION:hb-gobject
* @title: hb-gobject
* @short_description: GObject integration support

42
thirdparty/harfbuzz/src/hb-graphite2.cc vendored
View File

@ -248,6 +248,21 @@ _hb_graphite2_shape (hb_shape_plan_t *shape_plan HB_UNUSED,
gr_fref_set_feature_value (fref, features[i].value, feats);
}
hb_direction_t direction = buffer->props.direction;
hb_direction_t horiz_dir = hb_script_get_horizontal_direction (buffer->props.script);
/* TODO vertical:
* The only BTT vertical script is Ogham, but it's not clear to me whether OpenType
* Ogham fonts are supposed to be implemented BTT or not. Need to research that
* first. */
if ((HB_DIRECTION_IS_HORIZONTAL (direction) &&
direction != horiz_dir && horiz_dir != HB_DIRECTION_INVALID) ||
(HB_DIRECTION_IS_VERTICAL (direction) &&
direction != HB_DIRECTION_TTB))
{
hb_buffer_reverse_clusters (buffer);
direction = HB_DIRECTION_REVERSE (direction);
}
gr_segment *seg = nullptr;
const gr_slot *is;
unsigned int ci = 0, ic = 0;
@ -261,21 +276,11 @@ _hb_graphite2_shape (hb_shape_plan_t *shape_plan HB_UNUSED,
for (unsigned int i = 0; i < buffer->len; ++i)
chars[i] = buffer->info[i].codepoint;
/* TODO ensure_native_direction. */
hb_tag_t script_tag[HB_OT_MAX_TAGS_PER_SCRIPT];
unsigned int count = HB_OT_MAX_TAGS_PER_SCRIPT;
hb_ot_tags_from_script_and_language (hb_buffer_get_script (buffer),
HB_LANGUAGE_INVALID,
&count,
script_tag,
nullptr, nullptr);
seg = gr_make_seg (nullptr, grface,
count ? script_tag[count - 1] : HB_OT_TAG_DEFAULT_SCRIPT,
HB_TAG_NONE, // https://github.com/harfbuzz/harfbuzz/issues/3439#issuecomment-1442650148
feats,
gr_utf32, chars, buffer->len,
2 | (hb_buffer_get_direction (buffer) == HB_DIRECTION_RTL ? 1 : 0));
2 | (direction == HB_DIRECTION_RTL ? 1 : 0));
if (unlikely (!seg)) {
if (feats) gr_featureval_destroy (feats);
@ -327,7 +332,7 @@ _hb_graphite2_shape (hb_shape_plan_t *shape_plan HB_UNUSED,
float yscale = (float) font->y_scale / upem;
yscale *= yscale / xscale;
unsigned int curradv = 0;
if (HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
if (HB_DIRECTION_IS_BACKWARD (direction))
{
curradv = gr_slot_origin_X(gr_seg_first_slot(seg)) * xscale;
clusters[0].advance = gr_seg_advance_X(seg) * xscale - curradv;
@ -356,16 +361,17 @@ _hb_graphite2_shape (hb_shape_plan_t *shape_plan HB_UNUSED,
c->num_chars = before - c->base_char;
c->base_glyph = ic;
c->num_glyphs = 0;
if (HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
if (HB_DIRECTION_IS_BACKWARD (direction))
{
c->advance = curradv - gr_slot_origin_X(is) * xscale;
curradv -= c->advance;
}
else
{
auto origin_X = gr_slot_origin_X (is) * xscale;
c->advance = 0;
clusters[ci].advance += gr_slot_origin_X(is) * xscale - curradv;
curradv += clusters[ci].advance;
clusters[ci].advance += origin_X - curradv;
curradv = origin_X;
}
ci++;
}
@ -375,7 +381,7 @@ _hb_graphite2_shape (hb_shape_plan_t *shape_plan HB_UNUSED,
clusters[ci].num_chars = after + 1 - clusters[ci].base_char;
}
if (HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
if (HB_DIRECTION_IS_BACKWARD (direction))
clusters[ci].advance += curradv;
else
clusters[ci].advance += gr_seg_advance_X(seg) * xscale - curradv;
@ -397,7 +403,7 @@ _hb_graphite2_shape (hb_shape_plan_t *shape_plan HB_UNUSED,
unsigned int currclus = UINT_MAX;
const hb_glyph_info_t *info = buffer->info;
hb_glyph_position_t *pPos = hb_buffer_get_glyph_positions (buffer, nullptr);
if (!HB_DIRECTION_IS_BACKWARD(buffer->props.direction))
if (!HB_DIRECTION_IS_BACKWARD (direction))
{
curradvx = 0;
for (is = gr_seg_first_slot (seg); is; pPos++, ++info, is = gr_slot_next_in_segment (is))

9
thirdparty/harfbuzz/src/hb-iter.hh vendored
View File

@ -63,6 +63,7 @@ struct hb_iter_t
static constexpr bool is_iterator = true;
static constexpr bool is_random_access_iterator = false;
static constexpr bool is_sorted_iterator = false;
static constexpr bool has_fast_len = false; // Should be checked in combination with is_random_access_iterator.
private:
/* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
@ -393,7 +394,7 @@ struct hb_map_iter_t :
private:
Iter it;
hb_reference_wrapper<Proj> f;
mutable hb_reference_wrapper<Proj> f;
};
template <typename Proj, hb_function_sortedness_t Sorted>
@ -456,8 +457,8 @@ struct hb_filter_iter_t :
private:
Iter it;
hb_reference_wrapper<Pred> p;
hb_reference_wrapper<Proj> f;
mutable hb_reference_wrapper<Pred> p;
mutable hb_reference_wrapper<Proj> f;
};
template <typename Pred, typename Proj>
struct hb_filter_iter_factory_t
@ -841,7 +842,7 @@ struct
template <typename Iterable,
hb_requires (hb_is_iterable (Iterable))>
auto operator () (Iterable&& it, unsigned count) const HB_AUTO_RETURN
( hb_zip (hb_range (count), it) | hb_map (hb_second) )
( hb_zip (hb_range (count), it) | hb_map_retains_sorting (hb_second) )
/* Specialization arrays. */

2
thirdparty/harfbuzz/src/hb-kern.hh vendored
View File

@ -53,7 +53,7 @@ struct hb_kern_machine_t
return;
buffer->unsafe_to_concat ();
OT::hb_ot_apply_context_t c (1, font, buffer);
OT::hb_ot_apply_context_t c (1, font, buffer, hb_blob_get_empty ());
c.set_lookup_mask (kern_mask);
c.set_lookup_props (OT::LookupFlag::IgnoreMarks);
auto &skippy_iter = c.iter_input;

4
thirdparty/harfbuzz/src/hb-limits.hh vendored
View File

@ -89,6 +89,10 @@
#endif
#ifndef HB_GLYF_VAR_COMPOSITE_MAX_AXES
#define HB_GLYF_VAR_COMPOSITE_MAX_AXES 4096
#endif
#ifndef HB_GLYF_MAX_POINTS
#define HB_GLYF_MAX_POINTS 20000
#endif

15
thirdparty/harfbuzz/src/hb-machinery.hh vendored
View File

@ -131,6 +131,10 @@ static inline Type& StructAfter(TObject &X)
unsigned int get_size () const { return (size - (array).min_size + (array).get_size ()); } \
DEFINE_SIZE_ARRAY(size, array)
#define DEFINE_SIZE_MAX(size) \
DEFINE_INSTANCE_ASSERTION (sizeof (*this) <= (size)) \
static constexpr unsigned max_size = (size)
/*
@ -180,6 +184,9 @@ struct hb_lazy_loader_t : hb_data_wrapper_t<Data, WheresData>
hb_lazy_loader_t<Returned,Subclass,Data,WheresData,Stored>
>::value Funcs;
hb_lazy_loader_t () = default;
hb_lazy_loader_t (const hb_lazy_loader_t &other) = delete;
void init0 () {} /* Init, when memory is already set to 0. No-op for us. */
void init () { instance.set_relaxed (nullptr); }
void fini () { do_destroy (instance.get_acquire ()); init (); }
@ -278,7 +285,11 @@ struct hb_lazy_loader_t : hb_data_wrapper_t<Data, WheresData>
template <typename T, unsigned int WheresFace>
struct hb_face_lazy_loader_t : hb_lazy_loader_t<T,
hb_face_lazy_loader_t<T, WheresFace>,
hb_face_t, WheresFace> {};
hb_face_t, WheresFace>
{
// Hack; have them here for API parity with hb_table_lazy_loader_t
hb_blob_t *get_blob () { return this->get ()->get_blob (); }
};
template <typename T, unsigned int WheresFace, bool core=false>
struct hb_table_lazy_loader_t : hb_lazy_loader_t<T,
@ -288,7 +299,7 @@ struct hb_table_lazy_loader_t : hb_lazy_loader_t<T,
{
static hb_blob_t *create (hb_face_t *face)
{
auto c = hb_sanitize_context_t ();
hb_sanitize_context_t c;
if (core)
c.set_num_glyphs (0); // So we don't recurse ad infinitum, or doesn't need num_glyphs
return c.reference_table<T> (face);

2
thirdparty/harfbuzz/src/hb-map.h vendored
View File

@ -44,7 +44,7 @@ HB_BEGIN_DECLS
*
* Since: 1.7.7
*/
#define HB_MAP_VALUE_INVALID ((hb_codepoint_t) -1)
#define HB_MAP_VALUE_INVALID HB_CODEPOINT_INVALID
/**
* hb_map_t:

174
thirdparty/harfbuzz/src/hb-map.hh vendored
View File

@ -45,9 +45,9 @@ struct hb_hashmap_t
hb_hashmap_t () { init (); }
~hb_hashmap_t () { fini (); }
hb_hashmap_t (const hb_hashmap_t& o) : hb_hashmap_t () { resize (o.population); hb_copy (o, *this); }
hb_hashmap_t (const hb_hashmap_t& o) : hb_hashmap_t () { alloc (o.population); hb_copy (o, *this); }
hb_hashmap_t (hb_hashmap_t&& o) : hb_hashmap_t () { hb_swap (*this, o); }
hb_hashmap_t& operator= (const hb_hashmap_t& o) { reset (); resize (o.population); hb_copy (o, *this); return *this; }
hb_hashmap_t& operator= (const hb_hashmap_t& o) { reset (); alloc (o.population); hb_copy (o, *this); return *this; }
hb_hashmap_t& operator= (hb_hashmap_t&& o) { hb_swap (*this, o); return *this; }
hb_hashmap_t (std::initializer_list<hb_pair_t<K, V>> lst) : hb_hashmap_t ()
@ -60,29 +60,28 @@ struct hb_hashmap_t
hb_hashmap_t (const Iterable &o) : hb_hashmap_t ()
{
auto iter = hb_iter (o);
if (iter.is_random_access_iterator)
resize (hb_len (iter));
if (iter.is_random_access_iterator || iter.has_fast_len)
alloc (hb_len (iter));
hb_copy (iter, *this);
}
struct item_t
{
K key;
uint32_t hash : 30;
uint32_t is_real_ : 1;
uint32_t is_used_ : 1;
uint32_t is_tombstone_ : 1;
uint32_t hash : 30;
V value;
item_t () : key (),
is_real_ (false), is_used_ (false),
hash (0),
is_used_ (false), is_tombstone_ (false),
value () {}
bool is_used () const { return is_used_; }
void set_used (bool is_used) { is_used_ = is_used; }
bool is_tombstone () const { return is_tombstone_; }
void set_tombstone (bool is_tombstone) { is_tombstone_ = is_tombstone; }
bool is_real () const { return is_used_ && !is_tombstone_; }
void set_real (bool is_real) { is_real_ = is_real; }
bool is_real () const { return is_real_; }
template <bool v = minus_one,
hb_enable_if (v == false)>
@ -98,10 +97,15 @@ struct hb_hashmap_t
bool operator == (const K &o) const { return hb_deref (key) == hb_deref (o); }
bool operator == (const item_t &o) const { return *this == o.key; }
hb_pair_t<K, V> get_pair() const { return hb_pair_t<K, V> (key, value); }
hb_pair_t<const K &, const V &> get_pair_ref() const { return hb_pair_t<const K &, const V &> (key, value); }
hb_pair_t<const K &, V &> get_pair_ref() { return hb_pair_t<const K &, V &> (key, value); }
uint32_t total_hash () const
{ return (hash * 31) + hb_hash (value); }
static constexpr bool is_trivial = std::is_trivially_constructible<K>::value &&
std::is_trivially_destructible<K>::value &&
std::is_trivially_constructible<V>::value &&
std::is_trivially_destructible<V>::value;
};
hb_object_header_t header;
@ -110,6 +114,7 @@ struct hb_hashmap_t
unsigned int occupancy; /* Including tombstones. */
unsigned int mask;
unsigned int prime;
unsigned int max_chain_length;
item_t *items;
friend void swap (hb_hashmap_t& a, hb_hashmap_t& b)
@ -123,6 +128,7 @@ struct hb_hashmap_t
hb_swap (a.occupancy, b.occupancy);
hb_swap (a.mask, b.mask);
hb_swap (a.prime, b.prime);
hb_swap (a.max_chain_length, b.max_chain_length);
hb_swap (a.items, b.items);
}
void init ()
@ -133,16 +139,19 @@ struct hb_hashmap_t
population = occupancy = 0;
mask = 0;
prime = 0;
max_chain_length = 0;
items = nullptr;
}
void fini ()
{
hb_object_fini (this);
if (likely (items)) {
if (likely (items))
{
unsigned size = mask + 1;
for (unsigned i = 0; i < size; i++)
items[i].~item_t ();
if (!item_t::is_trivial)
for (unsigned i = 0; i < size; i++)
items[i].~item_t ();
hb_free (items);
items = nullptr;
}
@ -157,7 +166,7 @@ struct hb_hashmap_t
bool in_error () const { return !successful; }
bool resize (unsigned new_population = 0)
bool alloc (unsigned new_population = 0)
{
if (unlikely (!successful)) return false;
@ -171,8 +180,11 @@ struct hb_hashmap_t
successful = false;
return false;
}
for (auto &_ : hb_iter (new_items, new_size))
new (&_) item_t ();
if (!item_t::is_trivial)
for (auto &_ : hb_iter (new_items, new_size))
new (&_) item_t ();
else
hb_memset (new_items, 0, (size_t) new_size * sizeof (item_t));
unsigned int old_size = size ();
item_t *old_items = items;
@ -181,6 +193,7 @@ struct hb_hashmap_t
population = occupancy = 0;
mask = new_size - 1;
prime = prime_for (power);
max_chain_length = power * 2;
items = new_items;
/* Insert back old items. */
@ -192,7 +205,8 @@ struct hb_hashmap_t
old_items[i].hash,
std::move (old_items[i].value));
}
old_items[i].~item_t ();
if (!item_t::is_trivial)
old_items[i].~item_t ();
}
hb_free (old_items);
@ -201,72 +215,124 @@ struct hb_hashmap_t
}
template <typename KK, typename VV>
bool set_with_hash (KK&& key, uint32_t hash, VV&& value, bool is_delete=false)
bool set_with_hash (KK&& key, uint32_t hash, VV&& value, bool overwrite = true)
{
if (unlikely (!successful)) return false;
if (unlikely ((occupancy + occupancy / 2) >= mask && !resize ())) return false;
item_t &item = item_for_hash (key, hash);
if (unlikely ((occupancy + occupancy / 2) >= mask && !alloc ())) return false;
if (is_delete && !(item == key))
return true; /* Trying to delete non-existent key. */
hash &= 0x3FFFFFFF; // We only store lower 30bit of hash
unsigned int tombstone = (unsigned int) -1;
unsigned int i = hash % prime;
unsigned length = 0;
unsigned step = 0;
while (items[i].is_used ())
{
if ((std::is_integral<K>::value || items[i].hash == hash) &&
items[i] == key)
{
if (!overwrite)
return false;
else
break;
}
if (!items[i].is_real () && tombstone == (unsigned) -1)
tombstone = i;
i = (i + ++step) & mask;
length++;
}
item_t &item = items[tombstone == (unsigned) -1 ? i : tombstone];
if (item.is_used ())
{
occupancy--;
if (!item.is_tombstone ())
population--;
population -= item.is_real ();
}
item.key = std::forward<KK> (key);
item.value = std::forward<VV> (value);
item.hash = hash;
item.set_used (true);
item.set_tombstone (is_delete);
item.set_real (true);
occupancy++;
if (!is_delete)
population++;
population++;
if (unlikely (length > max_chain_length) && occupancy * 8 > mask)
alloc (mask - 8); // This ensures we jump to next larger size
return true;
}
template <typename VV>
bool set (const K &key, VV&& value) { return set_with_hash (key, hb_hash (key), std::forward<VV> (value)); }
bool set (const K &key, VV&& value, bool overwrite = true) { return set_with_hash (key, hb_hash (key), std::forward<VV> (value), overwrite); }
template <typename VV>
bool set (K &&key, VV&& value) { return set_with_hash (std::move (key), hb_hash (key), std::forward<VV> (value)); }
bool set (K &&key, VV&& value, bool overwrite = true)
{
uint32_t hash = hb_hash (key);
return set_with_hash (std::move (key), hash, std::forward<VV> (value), overwrite);
}
const V& get_with_hash (const K &key, uint32_t hash) const
{
if (unlikely (!items)) return item_t::default_value ();
auto &item = item_for_hash (key, hash);
return item.is_real () && item == key ? item.value : item_t::default_value ();
if (!items) return item_t::default_value ();
auto *item = fetch_item (key, hb_hash (key));
if (item)
return item->value;
return item_t::default_value ();
}
const V& get (const K &key) const
{
if (unlikely (!items)) return item_t::default_value ();
if (!items) return item_t::default_value ();
return get_with_hash (key, hb_hash (key));
}
void del (const K &key) { set_with_hash (key, hb_hash (key), item_t::default_value (), true); }
void del (const K &key)
{
if (!items) return;
auto *item = fetch_item (key, hb_hash (key));
if (item)
{
item->set_real (false);
population--;
}
}
/* Has interface. */
const V& operator [] (K k) const { return get (k); }
template <typename VV=V>
bool has (K key, VV **vp = nullptr) const
bool has (const K &key, VV **vp = nullptr) const
{
if (unlikely (!items))
return false;
auto &item = item_for_hash (key, hb_hash (key));
if (item.is_real () && item == key)
if (!items) return false;
auto *item = fetch_item (key, hb_hash (key));
if (item)
{
if (vp) *vp = std::addressof (item.value);
if (vp) *vp = std::addressof (item->value);
return true;
}
else
return false;
return false;
}
item_t *fetch_item (const K &key, uint32_t hash) const
{
hash &= 0x3FFFFFFF; // We only store lower 30bit of hash
unsigned int i = hash % prime;
unsigned step = 0;
while (items[i].is_used ())
{
if ((std::is_integral<K>::value || items[i].hash == hash) &&
items[i] == key)
{
if (items[i].is_real ())
return &items[i];
else
return nullptr;
}
i = (i + ++step) & mask;
}
return nullptr;
}
/* Projection. */
V operator () (K k) const { return get (k); }
const V& operator () (K k) const { return get (k); }
unsigned size () const { return mask ? mask + 1 : 0; }
@ -393,24 +459,6 @@ struct hb_hashmap_t
hb_hashmap_t& operator << (const hb_pair_t<K&&, V&&>& v)
{ set (std::move (v.first), std::move (v.second)); return *this; }
item_t& item_for_hash (const K &key, uint32_t hash) const
{
hash &= 0x3FFFFFFF; // We only store lower 30bit of hash
unsigned int i = hash % prime;
unsigned int step = 0;
unsigned int tombstone = (unsigned) -1;
while (items[i].is_used ())
{
if ((hb_is_same (K, hb_codepoint_t) || items[i].hash == hash) &&
items[i] == key)
return items[i];
if (tombstone == (unsigned) -1 && items[i].is_tombstone ())
tombstone = i;
i = (i + ++step) & mask;
}
return items[tombstone == (unsigned) -1 ? i : tombstone];
}
static unsigned int prime_for (unsigned int shift)
{
/* Following comment and table copied from glib. */
@ -481,7 +529,7 @@ struct hb_map_t : hb_hashmap_t<hb_codepoint_t,
hb_map_t (hb_map_t &&o) : hashmap (std::move ((hashmap &) o)) {}
hb_map_t& operator= (const hb_map_t&) = default;
hb_map_t& operator= (hb_map_t&&) = default;
hb_map_t (std::initializer_list<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> lst) : hashmap (lst) {}
hb_map_t (std::initializer_list<hb_codepoint_pair_t> lst) : hashmap (lst) {}
template <typename Iterable,
hb_requires (hb_is_iterable (Iterable))>
hb_map_t (const Iterable &o) : hashmap (o) {}

8
thirdparty/harfbuzz/src/hb-meta.hh vendored
View File

@ -153,8 +153,8 @@ struct hb_reference_wrapper
hb_reference_wrapper (T v) : v (v) {}
bool operator == (const hb_reference_wrapper& o) const { return v == o.v; }
bool operator != (const hb_reference_wrapper& o) const { return v != o.v; }
operator T () const { return v; }
T get () const { return v; }
operator T& () { return v; }
T& get () { return v; }
T v;
};
template <typename T>
@ -163,8 +163,8 @@ struct hb_reference_wrapper<T&>
hb_reference_wrapper (T& v) : v (std::addressof (v)) {}
bool operator == (const hb_reference_wrapper& o) const { return v == o.v; }
bool operator != (const hb_reference_wrapper& o) const { return v != o.v; }
operator T& () const { return *v; }
T& get () const { return *v; }
operator T& () { return *v; }
T& get () { return *v; }
T* v;
};

34
thirdparty/harfbuzz/src/hb-multimap.hh vendored
View File

@ -38,10 +38,10 @@ struct hb_multimap_t
{
void add (hb_codepoint_t k, hb_codepoint_t v)
{
hb_codepoint_t *i;
if (multiples_indices.has (k, &i))
hb_vector_t<hb_codepoint_t> *m;
if (multiples.has (k, &m))
{
multiples_values[*i].push (v);
m->push (v);
return;
}
@ -51,12 +51,7 @@ struct hb_multimap_t
hb_codepoint_t old = *old_v;
singulars.del (k);
multiples_indices.set (k, multiples_values.length);
auto *vec = multiples_values.push ();
vec->push (old);
vec->push (v);
multiples.set (k, hb_vector_t<hb_codepoint_t> {old, v});
return;
}
@ -69,22 +64,31 @@ struct hb_multimap_t
if (singulars.has (k, &v))
return hb_array (v, 1);
hb_codepoint_t *i;
if (multiples_indices.has (k, &i))
return multiples_values[*i].as_array ();
hb_vector_t<hb_codepoint_t> *m;
if (multiples.has (k, &m))
return m->as_array ();
return hb_array_t<const hb_codepoint_t> ();
}
bool in_error () const
{
return singulars.in_error () || multiples_indices.in_error () || multiples_values.in_error ();
if (singulars.in_error () || multiples.in_error ())
return true;
for (const auto &m : multiples.values_ref ())
if (m.in_error ())
return true;
return false;
}
void alloc (unsigned size)
{
singulars.alloc (size);
}
protected:
hb_map_t singulars;
hb_map_t multiples_indices;
hb_vector_t<hb_vector_t<hb_codepoint_t>> multiples_values;
hb_hashmap_t<hb_codepoint_t, hb_vector_t<hb_codepoint_t>> multiples;
};

15
thirdparty/harfbuzz/src/hb-null.hh vendored
View File

@ -48,6 +48,15 @@ template <typename T>
using hb_has_min_size = _hb_has_min_size<T, void>;
#define hb_has_min_size(T) hb_has_min_size<T>::value
template <typename T, typename>
struct _hb_has_max_size : hb_false_type {};
template <typename T>
struct _hb_has_max_size<T, hb_void_t<decltype (T::max_size)>>
: hb_true_type {};
template <typename T>
using hb_has_max_size = _hb_has_max_size<T, void>;
#define hb_has_max_size(T) hb_has_max_size<T>::value
template <typename T, typename>
struct _hb_has_null_size : hb_false_type {};
template <typename T>
@ -176,7 +185,7 @@ template <typename Type>
static inline Type& Crap () {
static_assert (hb_null_size (Type) <= HB_NULL_POOL_SIZE, "Increase HB_NULL_POOL_SIZE.");
Type *obj = reinterpret_cast<Type *> (_hb_CrapPool);
memcpy (obj, &Null (Type), sizeof (*obj));
memcpy (obj, std::addressof (Null (Type)), sizeof (*obj));
return *obj;
}
template <typename QType>
@ -211,11 +220,11 @@ struct hb_nonnull_ptr_t
T * operator = (T *v_) { return v = v_; }
T * operator -> () const { return get (); }
T & operator * () const { return *get (); }
T ** operator & () const { return &v; }
T ** operator & () const { return std::addressof (v); }
/* Only auto-cast to const types. */
template <typename C> operator const C * () const { return get (); }
operator const char * () const { return (const char *) get (); }
T * get () const { return v ? v : const_cast<T *> (&Null (T)); }
T * get () const { return v ? v : const_cast<T *> (std::addressof (Null (T))); }
T * get_raw () const { return v; }
private:

4
thirdparty/harfbuzz/src/hb-open-file.hh vendored
View File

@ -131,7 +131,7 @@ typedef struct OpenTypeOffsetTable
sfnt_version = sfnt_tag;
/* Take space for numTables, searchRange, entrySelector, RangeShift
* and the TableRecords themselves. */
unsigned num_items = it.len ();
unsigned num_items = hb_len (it);
if (unlikely (!tables.serialize (c, num_items))) return_trace (false);
const char *dir_end = (const char *) c->head;
@ -145,7 +145,7 @@ typedef struct OpenTypeOffsetTable
unsigned len = blob->length;
/* Allocate room for the table and copy it. */
char *start = (char *) c->allocate_size<void> (len);
char *start = (char *) c->allocate_size<void> (len, false);
if (unlikely (!start)) return false;
TableRecord &rec = tables.arrayZ[i];

63
thirdparty/harfbuzz/src/hb-open-type.hh vendored
View File

@ -312,6 +312,8 @@ struct _hb_has_null<Type, true>
template <typename Type, typename OffsetType, bool has_null=true>
struct OffsetTo : Offset<OffsetType, has_null>
{
using target_t = Type;
// Make sure Type is not unbounded; works only for types that are fully defined at OffsetTo time.
static_assert (has_null == false ||
(hb_has_null_size (Type) || !hb_has_min_size (Type)), "");
@ -416,12 +418,15 @@ struct OffsetTo : Offset<OffsetType, has_null>
{
TRACE_SANITIZE (this);
if (unlikely (!c->check_struct (this))) return_trace (false);
if (unlikely (this->is_null ())) return_trace (true);
//if (unlikely (this->is_null ())) return_trace (true);
if (unlikely ((const char *) base + (unsigned) *this < (const char *) base)) return_trace (false);
return_trace (true);
}
template <typename ...Ts>
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
bool sanitize (hb_sanitize_context_t *c, const void *base, Ts&&... ds) const
{
TRACE_SANITIZE (this);
@ -462,24 +467,16 @@ struct UnsizedArrayOf
HB_DELETE_CREATE_COPY_ASSIGN (UnsizedArrayOf);
const Type& operator [] (int i_) const
const Type& operator [] (unsigned int i) const
{
unsigned int i = (unsigned int) i_;
const Type *p = &arrayZ[i];
if (unlikely ((const void *) p < (const void *) arrayZ)) return Null (Type); /* Overflowed. */
_hb_compiler_memory_r_barrier ();
return *p;
return arrayZ[i];
}
Type& operator [] (int i_)
Type& operator [] (unsigned int i)
{
unsigned int i = (unsigned int) i_;
Type *p = &arrayZ[i];
if (unlikely ((const void *) p < (const void *) arrayZ)) return Crap (Type); /* Overflowed. */
_hb_compiler_memory_r_barrier ();
return *p;
return arrayZ[i];
}
unsigned int get_size (unsigned int len) const
static unsigned int get_size (unsigned int len)
{ return len * Type::static_size; }
template <typename T> operator T * () { return arrayZ; }
@ -533,6 +530,7 @@ struct UnsizedArrayOf
}
template <typename ...Ts>
HB_ALWAYS_INLINE
bool sanitize (hb_sanitize_context_t *c, unsigned int count, Ts&&... ds) const
{
TRACE_SANITIZE (this);
@ -720,7 +718,32 @@ struct ArrayOf
return_trace (out);
}
/* Special-case ArrayOf Offset16To structs with a maximum size. */
template <typename T = Type,
typename Base = void,
hb_enable_if (hb_has_max_size (typename T::target_t) &&
sizeof (T) == 2)>
HB_ALWAYS_INLINE
bool sanitize (hb_sanitize_context_t *c, const Base *base) const
{
TRACE_SANITIZE (this);
if (unlikely (!sanitize_shallow (c))) return_trace (false);
unsigned max_len = 65536 + Type::target_t::max_size;
if (unlikely (c->check_range_fast (base, max_len)))
return_trace (true);
unsigned int count = len;
for (unsigned int i = 0; i < count; i++)
if (unlikely (!c->dispatch (arrayZ[i], base)))
return_trace (false);
return_trace (true);
}
template <typename ...Ts>
HB_ALWAYS_INLINE
bool sanitize (hb_sanitize_context_t *c, Ts&&... ds) const
{
TRACE_SANITIZE (this);
@ -736,7 +759,7 @@ struct ArrayOf
bool sanitize_shallow (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (len.sanitize (c) && c->check_array (arrayZ, len));
return_trace (len.sanitize (c) && c->check_array_sized (arrayZ, len, sizeof (LenType)));
}
public:
@ -797,7 +820,7 @@ template <typename Type>
using List16OfOffset16To = List16OfOffsetTo<Type, HBUINT16>;
/* An array starting at second element. */
template <typename Type, typename LenType=HBUINT16>
template <typename Type, typename LenType>
struct HeadlessArrayOf
{
static constexpr unsigned item_size = Type::static_size;
@ -861,6 +884,7 @@ struct HeadlessArrayOf
}
template <typename ...Ts>
HB_ALWAYS_INLINE
bool sanitize (hb_sanitize_context_t *c, Ts&&... ds) const
{
TRACE_SANITIZE (this);
@ -878,7 +902,7 @@ struct HeadlessArrayOf
{
TRACE_SANITIZE (this);
return_trace (lenP1.sanitize (c) &&
(!lenP1 || c->check_array (arrayZ, lenP1 - 1)));
(!lenP1 || c->check_array_sized (arrayZ, lenP1 - 1, sizeof (LenType))));
}
public:
@ -887,6 +911,7 @@ struct HeadlessArrayOf
public:
DEFINE_SIZE_ARRAY (sizeof (LenType), arrayZ);
};
template <typename Type> using HeadlessArray16Of = HeadlessArrayOf<Type, HBUINT16>;
/* An array storing length-1. */
template <typename Type, typename LenType=HBUINT16>
@ -912,6 +937,7 @@ struct ArrayOfM1
{ return lenM1.static_size + (lenM1 + 1) * Type::static_size; }
template <typename ...Ts>
HB_ALWAYS_INLINE
bool sanitize (hb_sanitize_context_t *c, Ts&&... ds) const
{
TRACE_SANITIZE (this);
@ -929,7 +955,7 @@ struct ArrayOfM1
{
TRACE_SANITIZE (this);
return_trace (lenM1.sanitize (c) &&
(c->check_array (arrayZ, lenM1 + 1)));
(c->check_array_sized (arrayZ, lenM1 + 1, sizeof (LenType))));
}
public:
@ -1096,6 +1122,7 @@ struct VarSizedBinSearchArrayOf
{ return header.static_size + header.nUnits * header.unitSize; }
template <typename ...Ts>
HB_ALWAYS_INLINE
bool sanitize (hb_sanitize_context_t *c, Ts&&... ds) const
{
TRACE_SANITIZE (this);

269
thirdparty/harfbuzz/src/hb-ot-cff-common.hh vendored
View File

@ -48,12 +48,24 @@ static inline const Type& StructAtOffsetOrNull (const void *P, unsigned int offs
struct code_pair_t
{
hb_codepoint_t code;
unsigned code;
hb_codepoint_t glyph;
};
using str_buff_t = hb_vector_t<unsigned char>;
using str_buff_vec_t = hb_vector_t<str_buff_t>;
using glyph_to_sid_map_t = hb_vector_t<code_pair_t>;
struct length_f_t
{
template <typename Iterable,
hb_requires (hb_is_iterable (Iterable))>
unsigned operator () (const Iterable &_) const { return hb_len (hb_iter (_)); }
unsigned operator () (unsigned _) const { return _; }
}
HB_FUNCOBJ (length_f);
/* CFF INDEX */
template <typename COUNT>
@ -62,42 +74,52 @@ struct CFFIndex
unsigned int offset_array_size () const
{ return offSize * (count + 1); }
CFFIndex *copy (hb_serialize_context_t *c) const
{
TRACE_SERIALIZE (this);
unsigned int size = get_size ();
CFFIndex *out = c->allocate_size<CFFIndex> (size, false);
if (likely (out))
hb_memcpy (out, this, size);
return_trace (out);
}
template <typename Iterable,
hb_requires (hb_is_iterable (Iterable))>
bool serialize (hb_serialize_context_t *c,
const Iterable &iterable)
const Iterable &iterable,
const unsigned *p_data_size = nullptr)
{
TRACE_SERIALIZE (this);
unsigned data_size;
if (p_data_size)
data_size = *p_data_size;
else
total_size (iterable, &data_size);
auto it = hb_iter (iterable);
serialize_header(c, + it | hb_map (hb_iter) | hb_map (hb_len));
if (unlikely (!serialize_header (c, +it, data_size))) return_trace (false);
unsigned char *ret = c->allocate_size<unsigned char> (data_size, false);
if (unlikely (!ret)) return_trace (false);
for (const auto &_ : +it)
hb_iter (_).copy (c);
{
unsigned len = _.length;
if (len <= 1)
{
if (!len)
continue;
*ret++ = *_.arrayZ;
continue;
}
hb_memcpy (ret, _.arrayZ, len);
ret += len;
}
return_trace (true);
}
template <typename Iterator,
hb_requires (hb_is_iterator (Iterator))>
bool serialize_header (hb_serialize_context_t *c,
Iterator it)
Iterator it,
unsigned data_size)
{
TRACE_SERIALIZE (this);
unsigned total = + it | hb_reduce (hb_add, 0);
unsigned off_size = (hb_bit_storage (total + 1) + 7) / 8;
unsigned off_size = (hb_bit_storage (data_size + 1) + 7) / 8;
/* serialize CFFIndex header */
if (unlikely (!c->extend_min (this))) return_trace (false);
this->count = it.len ();
this->count = hb_len (it);
if (!this->count) return_trace (true);
if (unlikely (!c->extend (this->offSize))) return_trace (false);
this->offSize = off_size;
@ -106,25 +128,88 @@ struct CFFIndex
/* serialize indices */
unsigned int offset = 1;
unsigned int i = 0;
for (unsigned _ : +it)
if (HB_OPTIMIZE_SIZE_VAL)
{
set_offset_at (i++, offset);
offset += _;
unsigned int i = 0;
for (const auto &_ : +it)
{
set_offset_at (i++, offset);
offset += length_f (_);
}
set_offset_at (i, offset);
}
set_offset_at (i, offset);
else
switch (off_size)
{
case 1:
{
HBUINT8 *p = (HBUINT8 *) offsets;
for (const auto &_ : +it)
{
*p++ = offset;
offset += length_f (_);
}
*p = offset;
}
break;
case 2:
{
HBUINT16 *p = (HBUINT16 *) offsets;
for (const auto &_ : +it)
{
*p++ = offset;
offset += length_f (_);
}
*p = offset;
}
break;
case 3:
{
HBUINT24 *p = (HBUINT24 *) offsets;
for (const auto &_ : +it)
{
*p++ = offset;
offset += length_f (_);
}
*p = offset;
}
break;
case 4:
{
HBUINT32 *p = (HBUINT32 *) offsets;
for (const auto &_ : +it)
{
*p++ = offset;
offset += length_f (_);
}
*p = offset;
}
break;
default:
break;
}
assert (offset == data_size + 1);
return_trace (true);
}
template <typename Iterable,
hb_requires (hb_is_iterable (Iterable))>
static unsigned total_size (const Iterable &iterable)
static unsigned total_size (const Iterable &iterable, unsigned *data_size = nullptr)
{
auto it = + hb_iter (iterable) | hb_map (hb_iter) | hb_map (hb_len);
if (!it) return 0;
auto it = + hb_iter (iterable);
if (!it)
{
if (data_size) *data_size = 0;
return min_size;
}
unsigned total = 0;
for (const auto &_ : +it)
total += length_f (_);
if (data_size) *data_size = total;
unsigned total = + it | hb_reduce (hb_add, 0);
unsigned off_size = (hb_bit_storage (total + 1) + 7) / 8;
return min_size + HBUINT8::static_size + (hb_len (it) + 1) * off_size + total;
@ -133,13 +218,16 @@ struct CFFIndex
void set_offset_at (unsigned int index, unsigned int offset)
{
assert (index <= count);
HBUINT8 *p = offsets + offSize * index + offSize;
unsigned int size = offSize;
for (; size; size--)
const HBUINT8 *p = offsets;
switch (size)
{
--p;
*p = offset & 0xFF;
offset >>= 8;
case 1: ((HBUINT8 *) p)[index] = offset; break;
case 2: ((HBUINT16 *) p)[index] = offset; break;
case 3: ((HBUINT24 *) p)[index] = offset; break;
case 4: ((HBUINT32 *) p)[index] = offset; break;
default: return;
}
}
@ -149,37 +237,30 @@ struct CFFIndex
assert (index <= count);
unsigned int size = offSize;
const HBUINT8 *p = offsets + size * index;
const HBUINT8 *p = offsets;
switch (size)
{
case 1: return * (HBUINT8 *) p;
case 2: return * (HBUINT16 *) p;
case 3: return * (HBUINT24 *) p;
case 4: return * (HBUINT32 *) p;
case 1: return ((HBUINT8 *) p)[index];
case 2: return ((HBUINT16 *) p)[index];
case 3: return ((HBUINT24 *) p)[index];
case 4: return ((HBUINT32 *) p)[index];
default: return 0;
}
}
unsigned int length_at (unsigned int index) const
{
unsigned offset0 = offset_at (index);
unsigned offset1 = offset_at (index + 1);
if (unlikely (offset1 < offset0 || offset1 > offset_at (count)))
return 0;
return offset1 - offset0;
}
const unsigned char *data_base () const
{ return (const unsigned char *) this + min_size + offSize.static_size + offset_array_size (); }
{ return (const unsigned char *) this + min_size + offSize.static_size - 1 + offset_array_size (); }
public:
hb_ubytes_t operator [] (unsigned int index) const
{
if (unlikely (index >= count)) return hb_ubytes_t ();
_hb_compiler_memory_r_barrier ();
unsigned length = length_at (index);
if (unlikely (!length)) return hb_ubytes_t ();
return hb_ubytes_t (data_base () + offset_at (index) - 1, length);
unsigned offset0 = offset_at (index);
unsigned offset1 = offset_at (index + 1);
if (unlikely (offset1 < offset0 || offset1 > offset_at (count)))
return hb_ubytes_t ();
return hb_ubytes_t (data_base () + offset0, offset1 - offset0);
}
unsigned int get_size () const
@ -197,7 +278,7 @@ struct CFFIndex
(count < count + 1u &&
c->check_struct (&offSize) && offSize >= 1 && offSize <= 4 &&
c->check_array (offsets, offSize, count + 1u) &&
c->check_array ((const HBUINT8*) data_base (), 1, offset_at (count) - 1)))));
c->check_array ((const HBUINT8*) data_base (), 1, offset_at (count))))));
}
public:
@ -211,47 +292,6 @@ struct CFFIndex
DEFINE_SIZE_MIN (COUNT::static_size);
};
template <typename COUNT, typename TYPE>
struct CFFIndexOf : CFFIndex<COUNT>
{
template <typename DATA, typename PARAM1, typename PARAM2>
bool serialize (hb_serialize_context_t *c,
unsigned int offSize_,
const DATA *dataArray,
unsigned int dataArrayLen,
const hb_vector_t<unsigned int> &dataSizeArray,
const PARAM1 &param1,
const PARAM2 &param2)
{
TRACE_SERIALIZE (this);
/* serialize CFFIndex header */
if (unlikely (!c->extend_min (this))) return_trace (false);
this->count = dataArrayLen;
this->offSize = offSize_;
if (unlikely (!c->allocate_size<HBUINT8> (offSize_ * (dataArrayLen + 1), false)))
return_trace (false);
/* serialize indices */
unsigned int offset = 1;
unsigned int i = 0;
for (; i < dataArrayLen; i++)
{
this->set_offset_at (i, offset);
offset += dataSizeArray[i];
}
this->set_offset_at (i, offset);
/* serialize data */
for (unsigned int i = 0; i < dataArrayLen; i++)
{
TYPE *dest = c->start_embed<TYPE> ();
if (unlikely (!dest || !dest->serialize (c, dataArray[i], param1, param2)))
return_trace (false);
}
return_trace (true);
}
};
/* Top Dict, Font Dict, Private Dict */
struct Dict : UnsizedByteStr
{
@ -327,7 +367,7 @@ struct table_info_t
};
template <typename COUNT>
struct FDArray : CFFIndexOf<COUNT, FontDict>
struct FDArray : CFFIndex<COUNT>
{
template <typename DICTVAL, typename INFO, typename Iterator, typename OP_SERIALIZER>
bool serialize (hb_serialize_context_t *c,
@ -338,7 +378,11 @@ struct FDArray : CFFIndexOf<COUNT, FontDict>
/* serialize INDEX data */
hb_vector_t<unsigned> sizes;
if (it.is_random_access_iterator)
sizes.alloc (hb_len (it));
c->push ();
char *data_base = c->head;
+ it
| hb_map ([&] (const hb_pair_t<const DICTVAL&, const INFO&> &_)
{
@ -348,10 +392,16 @@ struct FDArray : CFFIndexOf<COUNT, FontDict>
})
| hb_sink (sizes)
;
unsigned data_size = c->head - data_base;
c->pop_pack (false);
if (unlikely (sizes.in_error ())) return_trace (false);
/* It just happens that the above is packed right after the header below.
* Such a hack. */
/* serialize INDEX header */
return_trace (CFFIndex<COUNT>::serialize_header (c, hb_iter (sizes)));
return_trace (CFFIndex<COUNT>::serialize_header (c, hb_iter (sizes), data_size));
}
};
@ -368,8 +418,11 @@ struct FDSelect0 {
return_trace (true);
}
hb_codepoint_t get_fd (hb_codepoint_t glyph) const
{ return (hb_codepoint_t) fds[glyph]; }
unsigned get_fd (hb_codepoint_t glyph) const
{ return fds[glyph]; }
hb_pair_t<unsigned, hb_codepoint_t> get_fd_range (hb_codepoint_t glyph) const
{ return {fds[glyph], glyph + 1}; }
unsigned int get_size (unsigned int num_glyphs) const
{ return HBUINT8::static_size * num_glyphs; }
@ -427,12 +480,20 @@ struct FDSelect3_4
return +1;
}
hb_codepoint_t get_fd (hb_codepoint_t glyph) const
unsigned get_fd (hb_codepoint_t glyph) const
{
auto *range = hb_bsearch (glyph, &ranges[0], nRanges () - 1, sizeof (ranges[0]), _cmp_range);
return range ? range->fd : ranges[nRanges () - 1].fd;
}
hb_pair_t<unsigned, hb_codepoint_t> get_fd_range (hb_codepoint_t glyph) const
{
auto *range = hb_bsearch (glyph, &ranges[0], nRanges () - 1, sizeof (ranges[0]), _cmp_range);
unsigned fd = range ? range->fd : ranges[nRanges () - 1].fd;
hb_codepoint_t end = range ? range[1].first : ranges[nRanges () - 1].first;
return {fd, end};
}
GID_TYPE &nRanges () { return ranges.len; }
GID_TYPE nRanges () const { return ranges.len; }
GID_TYPE &sentinel () { return StructAfter<GID_TYPE> (ranges[nRanges () - 1]); }
@ -469,7 +530,7 @@ struct FDSelect
}
}
hb_codepoint_t get_fd (hb_codepoint_t glyph) const
unsigned get_fd (hb_codepoint_t glyph) const
{
if (this == &Null (FDSelect)) return 0;
@ -480,6 +541,18 @@ struct FDSelect
default:return 0;
}
}
/* Returns pair of fd and one after last glyph in range. */
hb_pair_t<unsigned, hb_codepoint_t> get_fd_range (hb_codepoint_t glyph) const
{
if (this == &Null (FDSelect)) return {0, 1};
switch (format)
{
case 0: return u.format0.get_fd_range (glyph);
case 3: return u.format3.get_fd_range (glyph);
default:return {0, 1};
}
}
bool sanitize (hb_sanitize_context_t *c, unsigned int fdcount) const
{

6
thirdparty/harfbuzz/src/hb-ot-cff1-table.cc vendored
View File

@ -574,11 +574,11 @@ bool OT::cff1::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, h
struct get_seac_param_t
{
get_seac_param_t (const OT::cff1::accelerator_t *_cff) : cff (_cff) {}
get_seac_param_t (const OT::cff1::accelerator_subset_t *_cff) : cff (_cff) {}
bool has_seac () const { return base && accent; }
const OT::cff1::accelerator_t *cff;
const OT::cff1::accelerator_subset_t *cff;
hb_codepoint_t base = 0;
hb_codepoint_t accent = 0;
};
@ -596,7 +596,7 @@ struct cff1_cs_opset_seac_t : cff1_cs_opset_t<cff1_cs_opset_seac_t, get_seac_par
}
};
bool OT::cff1::accelerator_t::get_seac_components (hb_codepoint_t glyph, hb_codepoint_t *base, hb_codepoint_t *accent) const
bool OT::cff1::accelerator_subset_t::get_seac_components (hb_codepoint_t glyph, hb_codepoint_t *base, hb_codepoint_t *accent) const
{
if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false;

286
thirdparty/harfbuzz/src/hb-ot-cff1-table.hh vendored
View File

@ -28,7 +28,7 @@
#define HB_OT_CFF1_TABLE_HH
#include "hb-ot-cff-common.hh"
#include "hb-subset-cff1.hh"
#include "hb-subset-cff-common.hh"
#include "hb-draw.hh"
#include "hb-paint.hh"
@ -52,7 +52,6 @@ enum EncodingID { StandardEncoding = 0, ExpertEncoding = 1 };
enum CharsetID { ISOAdobeCharset = 0, ExpertCharset = 1, ExpertSubsetCharset = 2 };
typedef CFFIndex<HBUINT16> CFF1Index;
template <typename Type> struct CFF1IndexOf : CFFIndexOf<HBUINT16, Type> {};
typedef CFFIndex<HBUINT16> CFF1Index;
typedef CFF1Index CFF1CharStrings;
@ -110,6 +109,7 @@ struct Encoding1 {
hb_codepoint_t get_code (hb_codepoint_t glyph) const
{
/* TODO: Add cache like get_sid. */
assert (glyph > 0);
glyph--;
for (unsigned int i = 0; i < nRanges (); i++)
@ -173,11 +173,7 @@ struct Encoding
bool serialize (hb_serialize_context_t *c, const Encoding &src)
{
TRACE_SERIALIZE (this);
unsigned int size = src.get_size ();
Encoding *dest = c->allocate_size<Encoding> (size);
if (unlikely (!dest)) return_trace (false);
hb_memcpy (dest, &src, size);
return_trace (true);
return_trace (c->embed (src));
}
/* serialize a subset Encoding */
@ -312,26 +308,29 @@ struct Encoding
};
/* Charset */
struct Charset0 {
bool sanitize (hb_sanitize_context_t *c, unsigned int num_glyphs) const
struct Charset0
{
bool sanitize (hb_sanitize_context_t *c, unsigned int num_glyphs, unsigned *num_charset_entries) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) && sids[num_glyphs - 1].sanitize (c));
if (num_charset_entries) *num_charset_entries = num_glyphs;
return_trace (sids.sanitize (c, num_glyphs - 1));
}
hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs) const
{
if (unlikely (glyph >= num_glyphs)) return 0;
if (glyph == 0)
if (unlikely (glyph == 0))
return 0;
else
return sids[glyph - 1];
}
void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const
void collect_glyph_to_sid_map (glyph_to_sid_map_t *mapping, unsigned int num_glyphs) const
{
mapping->resize (num_glyphs, false);
for (hb_codepoint_t gid = 1; gid < num_glyphs; gid++)
mapping->set (gid, sids[gid - 1]);
mapping->arrayZ[gid] = {sids[gid - 1], gid};
}
hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const
@ -347,13 +346,13 @@ struct Charset0 {
return 0;
}
unsigned int get_size (unsigned int num_glyphs) const
static unsigned int get_size (unsigned int num_glyphs)
{
assert (num_glyphs > 0);
return HBUINT16::static_size * (num_glyphs - 1);
return UnsizedArrayOf<HBUINT16>::get_size (num_glyphs - 1);
}
HBUINT16 sids[HB_VAR_ARRAY];
UnsizedArrayOf<HBUINT16> sids;
DEFINE_SIZE_ARRAY(0, sids);
};
@ -374,38 +373,62 @@ struct Charset_Range {
template <typename TYPE>
struct Charset1_2 {
bool sanitize (hb_sanitize_context_t *c, unsigned int num_glyphs) const
bool sanitize (hb_sanitize_context_t *c, unsigned int num_glyphs, unsigned *num_charset_entries) const
{
TRACE_SANITIZE (this);
if (unlikely (!c->check_struct (this)))
return_trace (false);
num_glyphs--;
for (unsigned int i = 0; num_glyphs > 0; i++)
unsigned i;
for (i = 0; num_glyphs > 0; i++)
{
if (unlikely (!ranges[i].sanitize (c) || (num_glyphs < ranges[i].nLeft + 1)))
return_trace (false);
num_glyphs -= (ranges[i].nLeft + 1);
}
if (num_charset_entries)
*num_charset_entries = i;
return_trace (true);
}
hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs) const
hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs,
code_pair_t *cache = nullptr) const
{
if (unlikely (glyph >= num_glyphs)) return 0;
if (glyph == 0) return 0;
glyph--;
for (unsigned int i = 0;; i++)
unsigned i;
hb_codepoint_t start_glyph;
if (cache && likely (cache->glyph <= glyph))
{
if (glyph <= ranges[i].nLeft)
return (hb_codepoint_t) ranges[i].first + glyph;
glyph -= (ranges[i].nLeft + 1);
i = cache->code;
start_glyph = cache->glyph;
}
else
{
if (unlikely (glyph == 0)) return 0;
i = 0;
start_glyph = 1;
}
glyph -= start_glyph;
for (;; i++)
{
unsigned count = ranges[i].nLeft;
if (glyph <= count)
{
if (cache)
*cache = {i, start_glyph};
return ranges[i].first + glyph;
}
count++;
start_glyph += count;
glyph -= count;
}
return 0;
}
void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const
void collect_glyph_to_sid_map (glyph_to_sid_map_t *mapping, unsigned int num_glyphs) const
{
mapping->resize (num_glyphs, false);
hb_codepoint_t gid = 1;
if (gid >= num_glyphs)
return;
@ -413,8 +436,9 @@ struct Charset1_2 {
{
hb_codepoint_t sid = ranges[i].first;
unsigned count = ranges[i].nLeft + 1;
unsigned last = gid + count;
for (unsigned j = 0; j < count; j++)
mapping->set (gid++, sid++);
mapping->arrayZ[gid++] = {sid++, last - 1};
if (gid >= num_glyphs)
break;
@ -439,21 +463,26 @@ struct Charset1_2 {
unsigned int get_size (unsigned int num_glyphs) const
{
unsigned int size = HBUINT8::static_size;
int glyph = (int)num_glyphs;
int glyph = (int) num_glyphs;
unsigned num_ranges = 0;
assert (glyph > 0);
glyph--;
for (unsigned int i = 0; glyph > 0; i++)
{
glyph -= (ranges[i].nLeft + 1);
size += Charset_Range<TYPE>::static_size;
num_ranges++;
}
return size;
return get_size_for_ranges (num_ranges);
}
Charset_Range<TYPE> ranges[HB_VAR_ARRAY];
static unsigned int get_size_for_ranges (unsigned int num_ranges)
{
return UnsizedArrayOf<Charset_Range<TYPE> >::get_size (num_ranges);
}
UnsizedArrayOf<Charset_Range<TYPE>> ranges;
DEFINE_SIZE_ARRAY (0, ranges);
};
@ -469,11 +498,7 @@ struct Charset
bool serialize (hb_serialize_context_t *c, const Charset &src, unsigned int num_glyphs)
{
TRACE_SERIALIZE (this);
unsigned int size = src.get_size (num_glyphs);
Charset *dest = c->allocate_size<Charset> (size);
if (unlikely (!dest)) return_trace (false);
hb_memcpy (dest, &src, size);
return_trace (true);
return_trace (c->embed ((const char *) &src, src.get_size (num_glyphs)));
}
/* serialize a subset Charset */
@ -490,13 +515,13 @@ struct Charset
{
case 0:
{
Charset0 *fmt0 = c->allocate_size<Charset0> (Charset0::min_size + HBUINT16::static_size * (num_glyphs - 1));
Charset0 *fmt0 = c->allocate_size<Charset0> (Charset0::get_size (num_glyphs), false);
if (unlikely (!fmt0)) return_trace (false);
unsigned int glyph = 0;
for (unsigned int i = 0; i < sid_ranges.length; i++)
{
hb_codepoint_t sid = sid_ranges[i].code;
for (int left = (int)sid_ranges[i].glyph; left >= 0; left--)
hb_codepoint_t sid = sid_ranges.arrayZ[i].code;
for (int left = (int)sid_ranges.arrayZ[i].glyph; left >= 0; left--)
fmt0->sids[glyph++] = sid++;
}
}
@ -504,29 +529,35 @@ struct Charset
case 1:
{
Charset1 *fmt1 = c->allocate_size<Charset1> (Charset1::min_size + Charset1_Range::static_size * sid_ranges.length);
Charset1 *fmt1 = c->allocate_size<Charset1> (Charset1::get_size_for_ranges (sid_ranges.length), false);
if (unlikely (!fmt1)) return_trace (false);
hb_codepoint_t all_glyphs = 0;
for (unsigned int i = 0; i < sid_ranges.length; i++)
{
if (unlikely (!(sid_ranges[i].glyph <= 0xFF)))
return_trace (false);
fmt1->ranges[i].first = sid_ranges[i].code;
fmt1->ranges[i].nLeft = sid_ranges[i].glyph;
auto &_ = sid_ranges.arrayZ[i];
all_glyphs |= _.glyph;
fmt1->ranges[i].first = _.code;
fmt1->ranges[i].nLeft = _.glyph;
}
if (unlikely (!(all_glyphs <= 0xFF)))
return_trace (false);
}
break;
case 2:
{
Charset2 *fmt2 = c->allocate_size<Charset2> (Charset2::min_size + Charset2_Range::static_size * sid_ranges.length);
Charset2 *fmt2 = c->allocate_size<Charset2> (Charset2::get_size_for_ranges (sid_ranges.length), false);
if (unlikely (!fmt2)) return_trace (false);
hb_codepoint_t all_glyphs = 0;
for (unsigned int i = 0; i < sid_ranges.length; i++)
{
if (unlikely (!(sid_ranges[i].glyph <= 0xFFFF)))
return_trace (false);
fmt2->ranges[i].first = sid_ranges[i].code;
fmt2->ranges[i].nLeft = sid_ranges[i].glyph;
auto &_ = sid_ranges.arrayZ[i];
all_glyphs |= _.glyph;
fmt2->ranges[i].first = _.code;
fmt2->ranges[i].nLeft = _.glyph;
}
if (unlikely (!(all_glyphs <= 0xFFFF)))
return_trace (false);
}
break;
@ -545,18 +576,19 @@ struct Charset
}
}
hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned int num_glyphs) const
hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned int num_glyphs,
code_pair_t *cache = nullptr) const
{
switch (format)
{
case 0: return u.format0.get_sid (glyph, num_glyphs);
case 1: return u.format1.get_sid (glyph, num_glyphs);
case 2: return u.format2.get_sid (glyph, num_glyphs);
case 1: return u.format1.get_sid (glyph, num_glyphs, cache);
case 2: return u.format2.get_sid (glyph, num_glyphs, cache);
default:return 0;
}
}
void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const
void collect_glyph_to_sid_map (glyph_to_sid_map_t *mapping, unsigned int num_glyphs) const
{
switch (format)
{
@ -578,7 +610,7 @@ struct Charset
}
}
bool sanitize (hb_sanitize_context_t *c) const
bool sanitize (hb_sanitize_context_t *c, unsigned *num_charset_entries) const
{
TRACE_SANITIZE (this);
if (unlikely (!c->check_struct (this)))
@ -586,9 +618,9 @@ struct Charset
switch (format)
{
case 0: return_trace (u.format0.sanitize (c, c->get_num_glyphs ()));
case 1: return_trace (u.format1.sanitize (c, c->get_num_glyphs ()));
case 2: return_trace (u.format2.sanitize (c, c->get_num_glyphs ()));
case 0: return_trace (u.format0.sanitize (c, c->get_num_glyphs (), num_charset_entries));
case 1: return_trace (u.format1.sanitize (c, c->get_num_glyphs (), num_charset_entries));
case 2: return_trace (u.format2.sanitize (c, c->get_num_glyphs (), num_charset_entries));
default:return_trace (false);
}
}
@ -606,10 +638,10 @@ struct Charset
struct CFF1StringIndex : CFF1Index
{
bool serialize (hb_serialize_context_t *c, const CFF1StringIndex &strings,
const hb_inc_bimap_t &sidmap)
const hb_vector_t<unsigned> &sidmap)
{
TRACE_SERIALIZE (this);
if (unlikely ((strings.count == 0) || (sidmap.get_population () == 0)))
if (unlikely ((strings.count == 0) || (sidmap.length == 0)))
{
if (unlikely (!c->extend_min (this->count)))
return_trace (false);
@ -617,15 +649,13 @@ struct CFF1StringIndex : CFF1Index
return_trace (true);
}
byte_str_array_t bytesArray;
if (!bytesArray.resize (sidmap.get_population ()))
return_trace (false);
for (unsigned int i = 0; i < strings.count; i++)
{
hb_codepoint_t j = sidmap[i];
if (j != HB_MAP_VALUE_INVALID)
bytesArray[j] = strings[i];
}
if (unlikely (sidmap.in_error ())) return_trace (false);
// Save this in a vector since serialize() iterates it twice.
hb_vector_t<hb_ubytes_t> bytesArray (+ hb_iter (sidmap)
| hb_map (strings));
if (unlikely (bytesArray.in_error ())) return_trace (false);
bool result = CFF1Index::serialize (c, bytesArray);
return_trace (result);
@ -932,7 +962,7 @@ struct cff1_private_dict_opset_t : dict_opset_t
}
};
struct cff1_private_dict_opset_subset : dict_opset_t
struct cff1_private_dict_opset_subset_t : dict_opset_t
{
static void process_op (op_code_t op, num_interp_env_t& env, cff1_private_dict_values_subset_t& dictval)
{
@ -978,7 +1008,7 @@ typedef dict_interpreter_t<cff1_top_dict_opset_t, cff1_top_dict_values_t, cff1_t
typedef dict_interpreter_t<cff1_font_dict_opset_t, cff1_font_dict_values_t> cff1_font_dict_interpreter_t;
typedef CFF1Index CFF1NameIndex;
typedef CFF1IndexOf<TopDict> CFF1TopDictIndex;
typedef CFF1Index CFF1TopDictIndex;
struct cff1_font_dict_values_mod_t
{
@ -1031,8 +1061,10 @@ struct cff1
template <typename PRIVOPSET, typename PRIVDICTVAL>
struct accelerator_templ_t
{
void init (hb_face_t *face)
accelerator_templ_t (hb_face_t *face)
{
if (!face) return;
topDict.init ();
fontDicts.init ();
privateDicts.init ();
@ -1046,22 +1078,22 @@ struct cff1
const OT::cff1 *cff = this->blob->template as<OT::cff1> ();
if (cff == &Null (OT::cff1))
{ fini (); return; }
goto fail;
nameIndex = &cff->nameIndex (cff);
if ((nameIndex == &Null (CFF1NameIndex)) || !nameIndex->sanitize (&sc))
{ fini (); return; }
goto fail;
topDictIndex = &StructAtOffset<CFF1TopDictIndex> (nameIndex, nameIndex->get_size ());
if ((topDictIndex == &Null (CFF1TopDictIndex)) || !topDictIndex->sanitize (&sc) || (topDictIndex->count == 0))
{ fini (); return; }
goto fail;
{ /* parse top dict */
const hb_ubytes_t topDictStr = (*topDictIndex)[0];
if (unlikely (!topDictStr.sanitize (&sc))) { fini (); return; }
if (unlikely (!topDictStr.sanitize (&sc))) goto fail;
cff1_top_dict_interp_env_t env (topDictStr);
cff1_top_dict_interpreter_t top_interp (env);
if (unlikely (!top_interp.interpret (topDict))) { fini (); return; }
if (unlikely (!top_interp.interpret (topDict))) goto fail;
}
if (is_predef_charset ())
@ -1069,7 +1101,7 @@ struct cff1
else
{
charset = &StructAtOffsetOrNull<Charset> (cff, topDict.CharsetOffset);
if (unlikely ((charset == &Null (Charset)) || !charset->sanitize (&sc))) { fini (); return; }
if (unlikely ((charset == &Null (Charset)) || !charset->sanitize (&sc, &num_charset_entries))) goto fail;
}
fdCount = 1;
@ -1079,7 +1111,7 @@ struct cff1
fdSelect = &StructAtOffsetOrNull<CFF1FDSelect> (cff, topDict.FDSelectOffset);
if (unlikely ((fdArray == &Null (CFF1FDArray)) || !fdArray->sanitize (&sc) ||
(fdSelect == &Null (CFF1FDSelect)) || !fdSelect->sanitize (&sc, fdArray->count)))
{ fini (); return; }
goto fail;
fdCount = fdArray->count;
}
@ -1092,36 +1124,36 @@ struct cff1
encoding = &Null (Encoding);
if (is_CID ())
{
if (unlikely (charset == &Null (Charset))) { fini (); return; }
if (unlikely (charset == &Null (Charset))) goto fail;
}
else
{
if (!is_predef_encoding ())
{
encoding = &StructAtOffsetOrNull<Encoding> (cff, topDict.EncodingOffset);
if (unlikely ((encoding == &Null (Encoding)) || !encoding->sanitize (&sc))) { fini (); return; }
if (unlikely ((encoding == &Null (Encoding)) || !encoding->sanitize (&sc))) goto fail;
}
}
stringIndex = &StructAtOffset<CFF1StringIndex> (topDictIndex, topDictIndex->get_size ());
if ((stringIndex == &Null (CFF1StringIndex)) || !stringIndex->sanitize (&sc))
{ fini (); return; }
goto fail;
globalSubrs = &StructAtOffset<CFF1Subrs> (stringIndex, stringIndex->get_size ());
if ((globalSubrs != &Null (CFF1Subrs)) && !globalSubrs->sanitize (&sc))
{ fini (); return; }
goto fail;
charStrings = &StructAtOffsetOrNull<CFF1CharStrings> (cff, topDict.charStringsOffset);
if ((charStrings == &Null (CFF1CharStrings)) || unlikely (!charStrings->sanitize (&sc)))
{ fini (); return; }
goto fail;
num_glyphs = charStrings->count;
if (num_glyphs != sc.get_num_glyphs ())
{ fini (); return; }
goto fail;
if (unlikely (!privateDicts.resize (fdCount)))
{ fini (); return; }
goto fail;
for (unsigned int i = 0; i < fdCount; i++)
privateDicts[i].init ();
@ -1131,27 +1163,27 @@ struct cff1
for (unsigned int i = 0; i < fdCount; i++)
{
hb_ubytes_t fontDictStr = (*fdArray)[i];
if (unlikely (!fontDictStr.sanitize (&sc))) { fini (); return; }
if (unlikely (!fontDictStr.sanitize (&sc))) goto fail;
cff1_font_dict_values_t *font;
cff1_top_dict_interp_env_t env (fontDictStr);
cff1_font_dict_interpreter_t font_interp (env);
font = fontDicts.push ();
if (unlikely (fontDicts.in_error ())) { fini (); return; }
if (unlikely (fontDicts.in_error ())) goto fail;
font->init ();
if (unlikely (!font_interp.interpret (*font))) { fini (); return; }
if (unlikely (!font_interp.interpret (*font))) goto fail;
PRIVDICTVAL *priv = &privateDicts[i];
const hb_ubytes_t privDictStr = StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size);
if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; }
if (unlikely (!privDictStr.sanitize (&sc))) goto fail;
num_interp_env_t env2 (privDictStr);
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env2);
priv->init ();
if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; }
if (unlikely (!priv_interp.interpret (*priv))) goto fail;
priv->localSubrs = &StructAtOffsetOrNull<CFF1Subrs> (&privDictStr, priv->subrsOffset);
if (priv->localSubrs != &Null (CFF1Subrs) &&
unlikely (!priv->localSubrs->sanitize (&sc)))
{ fini (); return; }
goto fail;
}
}
else /* non-CID */
@ -1160,20 +1192,25 @@ struct cff1
PRIVDICTVAL *priv = &privateDicts[0];
const hb_ubytes_t privDictStr = StructAtOffset<UnsizedByteStr> (cff, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size);
if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; }
if (unlikely (!privDictStr.sanitize (&sc))) goto fail;
num_interp_env_t env (privDictStr);
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env);
priv->init ();
if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; }
if (unlikely (!priv_interp.interpret (*priv))) goto fail;
priv->localSubrs = &StructAtOffsetOrNull<CFF1Subrs> (&privDictStr, priv->subrsOffset);
if (priv->localSubrs != &Null (CFF1Subrs) &&
unlikely (!priv->localSubrs->sanitize (&sc)))
{ fini (); return; }
goto fail;
}
}
void fini ()
return;
fail:
_fini ();
}
~accelerator_templ_t () { _fini (); }
void _fini ()
{
sc.end_processing ();
topDict.fini ();
@ -1183,6 +1220,8 @@ struct cff1
blob = nullptr;
}
hb_blob_t *get_blob () const { return blob; }
bool is_valid () const { return blob; }
bool is_CID () const { return topDict.is_CID (); }
@ -1203,13 +1242,14 @@ struct cff1
bool is_predef_encoding () const { return topDict.EncodingOffset <= ExpertEncoding; }
hb_codepoint_t glyph_to_code (hb_codepoint_t glyph) const
hb_codepoint_t glyph_to_code (hb_codepoint_t glyph,
code_pair_t *glyph_to_sid_cache = nullptr) const
{
if (encoding != &Null (Encoding))
return encoding->get_code (glyph);
else
{
hb_codepoint_t sid = glyph_to_sid (glyph);
hb_codepoint_t sid = glyph_to_sid (glyph, glyph_to_sid_cache);
if (sid == 0) return 0;
hb_codepoint_t code = 0;
switch (topDict.EncodingOffset)
@ -1227,12 +1267,14 @@ struct cff1
}
}
hb_map_t *create_glyph_to_sid_map () const
glyph_to_sid_map_t *create_glyph_to_sid_map () const
{
if (charset != &Null (Charset))
{
hb_map_t *mapping = hb_map_create ();
mapping->set (0, 0);
auto *mapping = (glyph_to_sid_map_t *) hb_malloc (sizeof (glyph_to_sid_map_t));
if (unlikely (!mapping)) return nullptr;
mapping = new (mapping) glyph_to_sid_map_t ();
mapping->push (code_pair_t {0, 1});
charset->collect_glyph_to_sid_map (mapping, num_glyphs);
return mapping;
}
@ -1240,10 +1282,11 @@ struct cff1
return nullptr;
}
hb_codepoint_t glyph_to_sid (hb_codepoint_t glyph) const
hb_codepoint_t glyph_to_sid (hb_codepoint_t glyph,
code_pair_t *cache = nullptr) const
{
if (charset != &Null (Charset))
return charset->get_sid (glyph, num_glyphs);
return charset->get_sid (glyph, num_glyphs, cache);
else
{
hb_codepoint_t sid = 0;
@ -1312,19 +1355,17 @@ struct cff1
hb_vector_t<PRIVDICTVAL> privateDicts;
unsigned int num_glyphs = 0;
unsigned int num_charset_entries = 0;
};
struct accelerator_t : accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t>
{
accelerator_t (hb_face_t *face)
accelerator_t (hb_face_t *face) : SUPER (face)
{
SUPER::init (face);
glyph_names.set_relaxed (nullptr);
if (!is_valid ()) return;
if (is_CID ()) return;
}
~accelerator_t ()
{
@ -1334,8 +1375,6 @@ struct cff1
names->fini ();
hb_free (names);
}
SUPER::fini ();
}
bool get_glyph_name (hb_codepoint_t glyph,
@ -1386,9 +1425,10 @@ struct cff1
/* TODO */
/* fill glyph names */
code_pair_t glyph_to_sid_cache {0, HB_CODEPOINT_INVALID};
for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++)
{
hb_codepoint_t sid = glyph_to_sid (gid);
hb_codepoint_t sid = glyph_to_sid (gid, &glyph_to_sid_cache);
gname_t gname;
gname.sid = sid;
if (sid < cff1_std_strings_length)
@ -1426,7 +1466,6 @@ struct cff1
HB_INTERNAL bool get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) const;
HB_INTERNAL bool paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data, hb_color_t foreground) const;
HB_INTERNAL bool get_seac_components (hb_codepoint_t glyph, hb_codepoint_t *base, hb_codepoint_t *accent) const;
HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const;
private:
@ -1453,9 +1492,24 @@ struct cff1
typedef accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t> SUPER;
};
struct accelerator_subset_t : accelerator_templ_t<cff1_private_dict_opset_subset, cff1_private_dict_values_subset_t> {};
struct accelerator_subset_t : accelerator_templ_t<cff1_private_dict_opset_subset_t, cff1_private_dict_values_subset_t>
{
accelerator_subset_t (hb_face_t *face) : SUPER (face) {}
~accelerator_subset_t ()
{
if (cff_accelerator)
cff_subset_accelerator_t::destroy (cff_accelerator);
}
bool subset (hb_subset_context_t *c) const { return hb_subset_cff1 (c); }
HB_INTERNAL bool subset (hb_subset_context_t *c) const;
HB_INTERNAL bool serialize (hb_serialize_context_t *c,
struct cff1_subset_plan &plan) const;
HB_INTERNAL bool get_seac_components (hb_codepoint_t glyph, hb_codepoint_t *base, hb_codepoint_t *accent) const;
mutable CFF::cff_subset_accelerator_t* cff_accelerator = nullptr;
typedef accelerator_templ_t<cff1_private_dict_opset_subset_t, cff1_private_dict_values_subset_t> SUPER;
};
protected:
HB_INTERNAL static hb_codepoint_t lookup_standard_encoding_for_code (hb_codepoint_t sid);
@ -1479,6 +1533,10 @@ struct cff1_accelerator_t : cff1::accelerator_t {
cff1_accelerator_t (hb_face_t *face) : cff1::accelerator_t (face) {}
};
struct cff1_subset_accelerator_t : cff1::accelerator_subset_t {
cff1_subset_accelerator_t (hb_face_t *face) : cff1::accelerator_subset_t (face) {}
};
} /* namespace OT */
#endif /* HB_OT_CFF1_TABLE_HH */

33
thirdparty/harfbuzz/src/hb-ot-cff2-table.hh vendored
View File

@ -28,7 +28,7 @@
#define HB_OT_CFF2_TABLE_HH
#include "hb-ot-cff-common.hh"
#include "hb-subset-cff2.hh"
#include "hb-subset-cff-common.hh"
#include "hb-draw.hh"
#include "hb-paint.hh"
@ -41,7 +41,6 @@ namespace CFF {
#define HB_OT_TAG_CFF2 HB_TAG('C','F','F','2')
typedef CFFIndex<HBUINT32> CFF2Index;
template <typename Type> struct CFF2IndexOf : CFFIndexOf<HBUINT32, Type> {};
typedef CFF2Index CFF2CharStrings;
typedef Subrs<HBUINT32> CFF2Subrs;
@ -393,6 +392,8 @@ struct cff2
{
accelerator_templ_t (hb_face_t *face)
{
if (!face) return;
topDict.init ();
fontDicts.init ();
privateDicts.init ();
@ -464,7 +465,6 @@ struct cff2
goto fail;
}
return;
fail:
@ -481,11 +481,13 @@ struct cff2
blob = nullptr;
}
hb_map_t *create_glyph_to_sid_map () const
hb_vector_t<uint16_t> *create_glyph_to_sid_map () const
{
return nullptr;
}
hb_blob_t *get_blob () const { return blob; }
bool is_valid () const { return blob; }
protected:
@ -518,9 +520,24 @@ struct cff2
HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const;
};
typedef accelerator_templ_t<cff2_private_dict_opset_subset_t, cff2_private_dict_values_subset_t> accelerator_subset_t;
struct accelerator_subset_t : accelerator_templ_t<cff2_private_dict_opset_subset_t, cff2_private_dict_values_subset_t>
{
accelerator_subset_t (hb_face_t *face) : SUPER (face) {}
~accelerator_subset_t ()
{
if (cff_accelerator)
cff_subset_accelerator_t::destroy (cff_accelerator);
}
bool subset (hb_subset_context_t *c) const { return hb_subset_cff2 (c); }
HB_INTERNAL bool subset (hb_subset_context_t *c) const;
HB_INTERNAL bool serialize (hb_serialize_context_t *c,
struct cff2_subset_plan &plan,
hb_array_t<int> normalized_coords) const;
mutable CFF::cff_subset_accelerator_t* cff_accelerator = nullptr;
typedef accelerator_templ_t<cff2_private_dict_opset_subset_t, cff2_private_dict_values_subset_t> SUPER;
};
public:
FixedVersion<HBUINT8> version; /* Version of CFF2 table. set to 0x0200u */
@ -535,6 +552,10 @@ struct cff2_accelerator_t : cff2::accelerator_t {
cff2_accelerator_t (hb_face_t *face) : cff2::accelerator_t (face) {}
};
struct cff2_subset_accelerator_t : cff2::accelerator_subset_t {
cff2_subset_accelerator_t (hb_face_t *face) : cff2::accelerator_subset_t (face) {}
};
} /* namespace OT */
#endif /* HB_OT_CFF2_TABLE_HH */

38
thirdparty/harfbuzz/src/hb-ot-cmap-table.hh vendored
View File

@ -277,10 +277,10 @@ struct CmapSubtableFormat4
}
} writer(c);
writer.end_code_ = c->allocate_size<HBUINT16> (HBUINT16::static_size * segcount);
c->allocate_size<HBUINT16> (2); // padding
writer.start_code_ = c->allocate_size<HBUINT16> (HBUINT16::static_size * segcount);
writer.id_delta_ = c->allocate_size<HBINT16> (HBINT16::static_size * segcount);
writer.end_code_ = c->allocate_size<HBUINT16> (HBUINT16::static_size * segcount, false);
(void) c->allocate_size<HBUINT16> (2); // padding
writer.start_code_ = c->allocate_size<HBUINT16> (HBUINT16::static_size * segcount, false);
writer.id_delta_ = c->allocate_size<HBINT16> (HBINT16::static_size * segcount, false);
if (unlikely (!writer.end_code_ || !writer.start_code_ || !writer.id_delta_)) return false;
@ -325,7 +325,7 @@ struct CmapSubtableFormat4
{
auto format4_iter =
+ it
| hb_filter ([&] (const hb_pair_t<hb_codepoint_t, hb_codepoint_t> _)
| hb_filter ([&] (const hb_codepoint_pair_t _)
{ return _.first <= 0xFFFF; })
;
@ -335,7 +335,7 @@ struct CmapSubtableFormat4
if (unlikely (!c->extend_min (this))) return;
this->format = 4;
hb_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> cp_to_gid {
hb_vector_t<hb_codepoint_pair_t> cp_to_gid {
format4_iter
};
@ -757,8 +757,7 @@ struct CmapSubtableLongSegmented
hb_codepoint_t gid = this->groups[i].glyphID;
if (!gid)
{
/* Intention is: if (hb_is_same (T, CmapSubtableFormat13)) continue; */
if (! T::group_get_glyph (this->groups[i], end)) continue;
if (T::formatNumber == 13) continue;
start++;
gid++;
}
@ -766,11 +765,13 @@ struct CmapSubtableLongSegmented
if (unlikely ((unsigned int) (gid + end - start) >= num_glyphs))
end = start + (hb_codepoint_t) num_glyphs - gid;
mapping->alloc (mapping->get_population () + end - start + 1);
for (unsigned cp = start; cp <= end; cp++)
{
unicodes->add (cp);
mapping->set (cp, gid);
gid++;
gid += T::increment;
}
}
}
@ -794,6 +795,9 @@ struct CmapSubtableLongSegmented
struct CmapSubtableFormat12 : CmapSubtableLongSegmented<CmapSubtableFormat12>
{
static constexpr int increment = 1;
static constexpr int formatNumber = 12;
static hb_codepoint_t group_get_glyph (const CmapSubtableLongGroup &group,
hb_codepoint_t u)
{ return likely (group.startCharCode <= group.endCharCode) ?
@ -866,6 +870,9 @@ struct CmapSubtableFormat12 : CmapSubtableLongSegmented<CmapSubtableFormat12>
struct CmapSubtableFormat13 : CmapSubtableLongSegmented<CmapSubtableFormat13>
{
static constexpr int increment = 0;
static constexpr int formatNumber = 13;
static hb_codepoint_t group_get_glyph (const CmapSubtableLongGroup &group,
hb_codepoint_t u HB_UNUSED)
{ return group.glyphID; }
@ -917,8 +924,7 @@ struct DefaultUVS : SortedArray32Of<UnicodeValueRange>
DefaultUVS* copy (hb_serialize_context_t *c,
const hb_set_t *unicodes) const
{
DefaultUVS *out = c->start_embed<DefaultUVS> ();
if (unlikely (!out)) return nullptr;
auto *out = c->start_embed<DefaultUVS> ();
auto snap = c->snapshot ();
HBUINT32 len;
@ -931,8 +937,7 @@ struct DefaultUVS : SortedArray32Of<UnicodeValueRange>
hb_codepoint_t start = HB_SET_VALUE_INVALID;
hb_codepoint_t end = HB_SET_VALUE_INVALID;
for (hb_codepoint_t u = HB_SET_VALUE_INVALID;
unicodes->next (&u);)
for (auto u : *unicodes)
{
if (!as_array ().bsearch (u))
continue;
@ -1067,9 +1072,7 @@ struct NonDefaultUVS : SortedArray32Of<UVSMapping>
const hb_set_t *glyphs_requested,
const hb_map_t *glyph_map) const
{
NonDefaultUVS *out = c->start_embed<NonDefaultUVS> ();
if (unlikely (!out)) return nullptr;
auto *out = c->start_embed<NonDefaultUVS> ();
auto it =
+ as_array ()
| hb_filter ([&] (const UVSMapping& _)
@ -1767,7 +1770,6 @@ struct cmap
TRACE_SUBSET (this);
cmap *cmap_prime = c->serializer->start_embed<cmap> ();
if (unlikely (!c->serializer->check_success (cmap_prime))) return_trace (false);
auto encodingrec_iter =
+ hb_iter (encodingRecord)
@ -1798,7 +1800,7 @@ struct cmap
auto it =
+ c->plan->unicode_to_new_gid_list.iter ()
| hb_filter ([&] (const hb_pair_t<hb_codepoint_t, hb_codepoint_t> _)
| hb_filter ([&] (const hb_codepoint_pair_t _)
{ return (_.second != HB_MAP_VALUE_INVALID); })
;

14
thirdparty/harfbuzz/src/hb-ot-font.cc vendored
View File

@ -38,8 +38,8 @@
#include "hb-ot-cmap-table.hh"
#include "hb-ot-glyf-table.hh"
#include "hb-ot-cff1-table.hh"
#include "hb-ot-cff2-table.hh"
#include "hb-ot-cff1-table.hh"
#include "hb-ot-hmtx-table.hh"
#include "hb-ot-post-table.hh"
#include "hb-ot-stat-table.hh" // Just so we compile it; unused otherwise.
@ -98,7 +98,7 @@ _hb_ot_font_create (hb_font_t *font)
{
cmap_cache = (hb_ot_font_cmap_cache_t *) hb_malloc (sizeof (hb_ot_font_cmap_cache_t));
if (unlikely (!cmap_cache)) goto out;
cmap_cache->init ();
new (cmap_cache) hb_ot_font_cmap_cache_t ();
if (unlikely (!hb_face_set_user_data (font->face,
&hb_ot_font_cmap_cache_user_data_key,
cmap_cache,
@ -230,8 +230,8 @@ hb_ot_get_glyph_h_advances (hb_font_t* font, void* font_data,
use_cache = false;
goto out;
}
new (cache) hb_ot_font_advance_cache_t;
cache->init ();
if (unlikely (!ot_font->advance_cache.cmpexch (nullptr, cache)))
{
hb_free (cache);
@ -255,7 +255,7 @@ hb_ot_get_glyph_h_advances (hb_font_t* font, void* font_data,
{ /* Use cache. */
if (ot_font->cached_coords_serial.get_acquire () != (int) font->serial_coords)
{
ot_font->advance_cache->init ();
ot_font->advance_cache->clear ();
ot_font->cached_coords_serial.set_release (font->serial_coords);
}
@ -436,8 +436,8 @@ hb_ot_get_glyph_extents (hb_font_t *font,
#endif
if (ot_face->glyf->get_extents (font, glyph, extents)) return true;
#ifndef HB_NO_OT_FONT_CFF
if (ot_face->cff1->get_extents (font, glyph, extents)) return true;
if (ot_face->cff2->get_extents (font, glyph, extents)) return true;
if (ot_face->cff1->get_extents (font, glyph, extents)) return true;
#endif
return false;
@ -525,8 +525,8 @@ hb_ot_draw_glyph (hb_font_t *font,
embolden ? &outline : draw_data, font->slant_xy);
if (!font->face->table.glyf->get_path (font, glyph, draw_session))
#ifndef HB_NO_CFF
if (!font->face->table.cff1->get_path (font, glyph, draw_session))
if (!font->face->table.cff2->get_path (font, glyph, draw_session))
if (!font->face->table.cff1->get_path (font, glyph, draw_session))
#endif
{}
}
@ -565,8 +565,8 @@ hb_ot_paint_glyph (hb_font_t *font,
#endif
if (font->face->table.glyf->paint_glyph (font, glyph, paint_funcs, paint_data, foreground)) return;
#ifndef HB_NO_CFF
if (font->face->table.cff1->paint_glyph (font, glyph, paint_funcs, paint_data, foreground)) return;
if (font->face->table.cff2->paint_glyph (font, glyph, paint_funcs, paint_data, foreground)) return;
if (font->face->table.cff1->paint_glyph (font, glyph, paint_funcs, paint_data, foreground)) return;
#endif
}
#endif

43
thirdparty/harfbuzz/src/hb-ot-hdmx-table.hh vendored
View File

@ -46,21 +46,23 @@ struct DeviceRecord
template<typename Iterator,
hb_requires (hb_is_iterator (Iterator))>
bool serialize (hb_serialize_context_t *c, unsigned pixelSize, Iterator it)
bool serialize (hb_serialize_context_t *c,
unsigned pixelSize,
Iterator it,
const hb_vector_t<hb_codepoint_pair_t> new_to_old_gid_list,
unsigned num_glyphs)
{
TRACE_SERIALIZE (this);
unsigned length = it.len ();
if (unlikely (!c->extend (this, length))) return_trace (false);
if (unlikely (!c->extend (this, num_glyphs))) return_trace (false);
this->pixelSize = pixelSize;
this->maxWidth =
+ it
| hb_reduce (hb_max, 0u);
+ it
| hb_sink (widthsZ.as_array (length));
for (auto &_ : new_to_old_gid_list)
widthsZ[_.first] = *it++;
return_trace (true);
}
@ -89,7 +91,11 @@ struct hdmx
template<typename Iterator,
hb_requires (hb_is_iterator (Iterator))>
bool serialize (hb_serialize_context_t *c, unsigned version, Iterator it)
bool serialize (hb_serialize_context_t *c,
unsigned version,
Iterator it,
const hb_vector_t<hb_codepoint_pair_t> &new_to_old_gid_list,
unsigned num_glyphs)
{
TRACE_SERIALIZE (this);
@ -97,10 +103,10 @@ struct hdmx
this->version = version;
this->numRecords = it.len ();
this->sizeDeviceRecord = DeviceRecord::get_size (it ? (*it).second.len () : 0);
this->sizeDeviceRecord = DeviceRecord::get_size (num_glyphs);
for (const hb_item_type<Iterator>& _ : +it)
c->start_embed<DeviceRecord> ()->serialize (c, _.first, _.second);
c->start_embed<DeviceRecord> ()->serialize (c, _.first, _.second, new_to_old_gid_list, num_glyphs);
return_trace (c->successful ());
}
@ -110,31 +116,30 @@ struct hdmx
{
TRACE_SUBSET (this);
hdmx *hdmx_prime = c->serializer->start_embed <hdmx> ();
if (unlikely (!hdmx_prime)) return_trace (false);
auto *hdmx_prime = c->serializer->start_embed <hdmx> ();
unsigned num_input_glyphs = get_num_glyphs ();
auto it =
+ hb_range ((unsigned) numRecords)
| hb_map ([c, this] (unsigned _)
| hb_map ([c, num_input_glyphs, this] (unsigned _)
{
const DeviceRecord *device_record =
&StructAtOffset<DeviceRecord> (&firstDeviceRecord,
_ * sizeDeviceRecord);
auto row =
+ hb_range (c->plan->num_output_glyphs ())
| hb_map (c->plan->reverse_glyph_map)
| hb_map ([this, c, device_record] (hb_codepoint_t _)
+ hb_iter (c->plan->new_to_old_gid_list)
| hb_map ([num_input_glyphs, device_record] (hb_codepoint_pair_t _)
{
if (c->plan->is_empty_glyph (_))
return Null (HBUINT8);
return device_record->widthsZ.as_array (get_num_glyphs ()) [_];
return device_record->widthsZ.as_array (num_input_glyphs) [_.second];
})
;
return hb_pair ((unsigned) device_record->pixelSize, +row);
})
;
hdmx_prime->serialize (c->serializer, version, it);
hdmx_prime->serialize (c->serializer, version, it,
c->plan->new_to_old_gid_list,
c->plan->num_output_glyphs ());
return_trace (true);
}

77
thirdparty/harfbuzz/src/hb-ot-hmtx-table.hh vendored
View File

@ -83,7 +83,7 @@ struct hmtxvmtx
bool subset_update_header (hb_subset_context_t *c,
unsigned int num_hmetrics,
const hb_hashmap_t<hb_codepoint_t, hb_pair_t<unsigned, int>> *mtx_map,
const hb_map_t *bounds_map) const
const hb_vector_t<unsigned> &bounds_vec) const
{
hb_blob_t *src_blob = hb_sanitize_context_t ().reference_table<H> (c->plan->source, H::tableTag);
hb_blob_t *dest_blob = hb_blob_copy_writable_or_fail (src_blob);
@ -114,6 +114,7 @@ struct hmtxvmtx
HB_ADD_MVAR_VAR (HB_OT_METRICS_TAG_VERTICAL_CARET_OFFSET, caretOffset);
}
bool empty = true;
int min_lsb = 0x7FFF;
int min_rsb = 0x7FFF;
int max_extent = -0x7FFF;
@ -125,9 +126,10 @@ struct hmtxvmtx
int lsb = _.second.second;
max_adv = hb_max (max_adv, adv);
if (bounds_map->has (gid))
if (bounds_vec[gid] != 0xFFFFFFFF)
{
unsigned bound_width = bounds_map->get (gid);
empty = false;
unsigned bound_width = bounds_vec[gid];
int rsb = adv - lsb - bound_width;
int extent = lsb + bound_width;
min_lsb = hb_min (min_lsb, lsb);
@ -137,7 +139,7 @@ struct hmtxvmtx
}
table->advanceMax = max_adv;
if (!bounds_map->is_empty ())
if (!empty)
{
table->minLeadingBearing = min_lsb;
table->minTrailingBearing = min_rsb;
@ -156,32 +158,31 @@ struct hmtxvmtx
hb_requires (hb_is_iterator (Iterator))>
void serialize (hb_serialize_context_t *c,
Iterator it,
unsigned num_long_metrics)
const hb_vector_t<hb_codepoint_pair_t> new_to_old_gid_list,
unsigned num_long_metrics,
unsigned total_num_metrics)
{
unsigned idx = 0;
for (auto _ : it)
LongMetric* long_metrics = c->allocate_size<LongMetric> (num_long_metrics * LongMetric::static_size);
FWORD* short_metrics = c->allocate_size<FWORD> ((total_num_metrics - num_long_metrics) * FWORD::static_size);
if (!long_metrics || !short_metrics) return;
short_metrics -= num_long_metrics;
for (auto _ : new_to_old_gid_list)
{
if (idx < num_long_metrics)
hb_codepoint_t gid = _.first;
auto mtx = *it++;
if (gid < num_long_metrics)
{
LongMetric lm;
lm.advance = _.first;
lm.sb = _.second;
if (unlikely (!c->embed<LongMetric> (&lm))) return;
}
else if (idx < 0x10000u)
{
FWORD *sb = c->allocate_size<FWORD> (FWORD::static_size);
if (unlikely (!sb)) return;
*sb = _.second;
LongMetric& lm = long_metrics[gid];
lm.advance = mtx.first;
lm.sb = mtx.second;
}
else if (gid < 0x10000u)
short_metrics[gid] = mtx.second;
else
{
// TODO: This does not do tail optimization.
UFWORD *adv = c->allocate_size<UFWORD> (UFWORD::static_size);
if (unlikely (!adv)) return;
*adv = _.first;
}
idx++;
((UFWORD*) short_metrics)[gid] = mtx.first;
}
}
@ -189,8 +190,7 @@ struct hmtxvmtx
{
TRACE_SUBSET (this);
T *table_prime = c->serializer->start_embed <T> ();
if (unlikely (!table_prime)) return_trace (false);
auto *table_prime = c->serializer->start_embed <T> ();
accelerator_t _mtx (c->plan->source);
unsigned num_long_metrics;
@ -209,31 +209,36 @@ struct hmtxvmtx
}
auto it =
+ hb_range (c->plan->num_output_glyphs ())
| hb_map ([c, &_mtx, mtx_map] (unsigned _)
+ hb_iter (c->plan->new_to_old_gid_list)
| hb_map ([c, &_mtx, mtx_map] (hb_codepoint_pair_t _)
{
if (!mtx_map->has (_))
hb_codepoint_t new_gid = _.first;
hb_codepoint_t old_gid = _.second;
hb_pair_t<unsigned, int> *v = nullptr;
if (!mtx_map->has (new_gid, &v))
{
hb_codepoint_t old_gid;
if (!c->plan->old_gid_for_new_gid (_, &old_gid))
return hb_pair (0u, 0);
int lsb = 0;
if (!_mtx.get_leading_bearing_without_var_unscaled (old_gid, &lsb))
(void) _glyf_get_leading_bearing_without_var_unscaled (c->plan->source, old_gid, !T::is_horizontal, &lsb);
return hb_pair (_mtx.get_advance_without_var_unscaled (old_gid), +lsb);
}
return mtx_map->get (_);
return *v;
})
;
table_prime->serialize (c->serializer, it, num_long_metrics);
table_prime->serialize (c->serializer,
it,
c->plan->new_to_old_gid_list,
num_long_metrics,
c->plan->num_output_glyphs ());
if (unlikely (c->serializer->in_error ()))
return_trace (false);
// Amend header num hmetrics
if (unlikely (!subset_update_header (c, num_long_metrics, mtx_map,
T::is_horizontal ? &c->plan->bounds_width_map : &c->plan->bounds_height_map)))
T::is_horizontal ? c->plan->bounds_width_vec : c->plan->bounds_height_vec)))
return_trace (false);
return_trace (true);

21
thirdparty/harfbuzz/src/hb-ot-layout-base-table.hh vendored
View File

@ -170,8 +170,8 @@ struct FeatMinMaxRecord
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) &&
minCoord.sanitize (c, this) &&
maxCoord.sanitize (c, this)));
minCoord.sanitize (c, base) &&
maxCoord.sanitize (c, base)));
}
protected:
@ -187,7 +187,6 @@ struct FeatMinMaxRecord
* of MinMax table (may be NULL) */
public:
DEFINE_SIZE_STATIC (8);
};
struct MinMax
@ -274,7 +273,7 @@ struct BaseLangSysRecord
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) &&
minMax.sanitize (c, this)));
minMax.sanitize (c, base)));
}
protected:
@ -297,7 +296,8 @@ struct BaseScript
const BaseCoord &get_base_coord (int baseline_tag_index) const
{ return (this+baseValues).get_base_coord (baseline_tag_index); }
bool has_data () const { return baseValues; }
bool has_values () const { return baseValues; }
bool has_min_max () const { return defaultMinMax; /* TODO What if only per-language is present? */ }
bool sanitize (hb_sanitize_context_t *c) const
{
@ -383,7 +383,7 @@ struct Axis
const BaseCoord **coord) const
{
const BaseScript &base_script = (this+baseScriptList).get_base_script (script_tag);
if (!base_script.has_data ())
if (!base_script.has_values ())
{
*coord = nullptr;
return false;
@ -410,7 +410,7 @@ struct Axis
const BaseCoord **max_coord) const
{
const BaseScript &base_script = (this+baseScriptList).get_base_script (script_tag);
if (!base_script.has_data ())
if (!base_script.has_min_max ())
{
*min_coord = *max_coord = nullptr;
return false;
@ -425,8 +425,8 @@ struct Axis
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) &&
(this+baseTagList).sanitize (c) &&
(this+baseScriptList).sanitize (c)));
baseTagList.sanitize (c, this) &&
baseScriptList.sanitize (c, this)));
}
protected:
@ -473,14 +473,13 @@ struct BASE
return true;
}
/* TODO: Expose this separately sometime? */
bool get_min_max (hb_font_t *font,
hb_direction_t direction,
hb_tag_t script_tag,
hb_tag_t language_tag,
hb_tag_t feature_tag,
hb_position_t *min,
hb_position_t *max)
hb_position_t *max) const
{
const BaseCoord *min_coord, *max_coord;
if (!get_axis (direction).get_min_max (script_tag, language_tag, feature_tag,

137
thirdparty/harfbuzz/src/hb-ot-layout-common.hh vendored
View File

@ -55,19 +55,22 @@ static bool ClassDef_remap_and_serialize (
hb_serialize_context_t *c,
const hb_set_t &klasses,
bool use_class_zero,
hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> &glyph_and_klass, /* IN/OUT */
hb_sorted_vector_t<hb_codepoint_pair_t> &glyph_and_klass, /* IN/OUT */
hb_map_t *klass_map /*IN/OUT*/);
struct hb_collect_feature_substitutes_with_var_context_t
{
const hb_map_t *axes_index_tag_map;
const hb_hashmap_t<hb_tag_t, int> *axes_location;
const hb_hashmap_t<hb_tag_t, Triple> *axes_location;
hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *record_cond_idx_map;
hb_hashmap_t<unsigned, const Feature*> *feature_substitutes_map;
bool& insert_catch_all_feature_variation_record;
// not stored in subset_plan
hb_set_t *feature_indices;
bool apply;
bool variation_applied;
bool universal;
unsigned cur_record_idx;
hb_hashmap_t<hb::shared_ptr<hb_map_t>, unsigned> *conditionset_map;
};
@ -807,7 +810,7 @@ struct Feature
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
out->featureParams.serialize_subset (c, featureParams, this, tag);
@ -981,7 +984,7 @@ struct RecordListOfFeature : RecordListOf<Feature>
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+ hb_enumerate (*this)
| hb_filter (l->feature_index_map, hb_first)
@ -1078,7 +1081,7 @@ struct LangSys
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
const uint32_t *v;
out->reqFeatureIndex = l->feature_index_map->has (reqFeatureIndex, &v) ? *v : 0xFFFFu;
@ -1188,7 +1191,7 @@ struct Script
return false;
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
bool defaultLang = false;
if (has_default_lang_sys ())
@ -1247,7 +1250,7 @@ struct RecordListOfScript : RecordListOf<Script>
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
for (auto _ : + hb_enumerate (*this))
{
@ -1367,7 +1370,7 @@ struct Lookup
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
out->lookupType = lookupType;
out->lookupFlag = lookupFlag;
@ -1456,7 +1459,7 @@ struct LookupOffsetList : List16OfOffsetTo<TLookup, OffsetType>
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (this);
if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+ hb_enumerate (*this)
| hb_filter (l->lookup_index_map, hb_first)
@ -1482,7 +1485,7 @@ struct LookupOffsetList : List16OfOffsetTo<TLookup, OffsetType>
static bool ClassDef_remap_and_serialize (hb_serialize_context_t *c,
const hb_set_t &klasses,
bool use_class_zero,
hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> &glyph_and_klass, /* IN/OUT */
hb_sorted_vector_t<hb_codepoint_pair_t> &glyph_and_klass, /* IN/OUT */
hb_map_t *klass_map /*IN/OUT*/)
{
if (!klass_map)
@ -1573,7 +1576,7 @@ struct ClassDefFormat1_3
TRACE_SUBSET (this);
const hb_map_t &glyph_map = c->plan->glyph_map_gsub;
hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> glyph_and_klass;
hb_sorted_vector_t<hb_codepoint_pair_t> glyph_and_klass;
hb_set_t orig_klasses;
hb_codepoint_t start = startGlyph;
@ -1592,10 +1595,13 @@ struct ClassDefFormat1_3
orig_klasses.add (klass);
}
unsigned glyph_count = glyph_filter
? hb_len (hb_iter (glyph_map.keys()) | hb_filter (glyph_filter))
: glyph_map.get_population ();
use_class_zero = use_class_zero && glyph_count <= glyph_and_klass.length;
if (use_class_zero)
{
unsigned glyph_count = glyph_filter
? hb_len (hb_iter (glyph_map.keys()) | hb_filter (glyph_filter))
: glyph_map.get_population ();
use_class_zero = glyph_count <= glyph_and_klass.length;
}
if (!ClassDef_remap_and_serialize (c->serializer,
orig_klasses,
use_class_zero,
@ -1830,7 +1836,7 @@ struct ClassDefFormat2_4
const hb_map_t &glyph_map = c->plan->glyph_map_gsub;
const hb_set_t &glyph_set = *c->plan->glyphset_gsub ();
hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> glyph_and_klass;
hb_sorted_vector_t<hb_codepoint_pair_t> glyph_and_klass;
hb_set_t orig_klasses;
if (glyph_set.get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2
@ -1916,7 +1922,7 @@ struct ClassDefFormat2_4
{
if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2)
{
for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);)
for (auto g : *glyphs)
if (get_class (g))
return true;
return false;
@ -1976,8 +1982,7 @@ struct ClassDefFormat2_4
unsigned count = rangeRecord.len;
if (count > glyphs->get_population () * hb_bit_storage (count) * 8)
{
for (hb_codepoint_t g = HB_SET_VALUE_INVALID;
glyphs->next (&g);)
for (auto g : *glyphs)
{
unsigned i;
if (rangeRecord.as_array ().bfind (g, &i) &&
@ -2377,7 +2382,7 @@ struct VarRegionList
return_trace (c->check_struct (this) && axesZ.sanitize (c, axisCount * regionCount));
}
bool serialize (hb_serialize_context_t *c, const VarRegionList *src, const hb_bimap_t &region_map)
bool serialize (hb_serialize_context_t *c, const VarRegionList *src, const hb_inc_bimap_t &region_map)
{
TRACE_SERIALIZE (this);
if (unlikely (!c->extend_min (this))) return_trace (false);
@ -2494,7 +2499,7 @@ struct VarData
bool serialize (hb_serialize_context_t *c,
const VarData *src,
const hb_inc_bimap_t &inner_map,
const hb_bimap_t &region_map)
const hb_inc_bimap_t &region_map)
{
TRACE_SERIALIZE (this);
if (unlikely (!c->extend_min (this))) return_trace (false);
@ -2905,9 +2910,9 @@ struct VariationStore
enum Cond_with_Var_flag_t
{
KEEP_COND_WITH_VAR = 0,
DROP_COND_WITH_VAR = 1,
DROP_RECORD_WITH_VAR = 2,
MEM_ERR_WITH_VAR = 3,
KEEP_RECORD_WITH_VAR = 1,
DROP_COND_WITH_VAR = 2,
DROP_RECORD_WITH_VAR = 3,
};
struct ConditionFormat1
@ -2940,29 +2945,42 @@ struct ConditionFormat1
hb_tag_t axis_tag = c->axes_index_tag_map->get (axisIndex);
//axis not pinned, keep the condition
if (!c->axes_location->has (axis_tag))
Triple axis_range (-1.f, 0.f, 1.f);
if (c->axes_location->has (axis_tag))
axis_range = c->axes_location->get (axis_tag);
int axis_min_val = axis_range.minimum;
int axis_default_val = axis_range.middle;
int axis_max_val = axis_range.maximum;
int16_t filter_min_val = filterRangeMinValue.to_int ();
int16_t filter_max_val = filterRangeMaxValue.to_int ();
if (axis_default_val < filter_min_val ||
axis_default_val > filter_max_val)
c->apply = false;
//condition not met, drop the entire record
if (axis_min_val > filter_max_val || axis_max_val < filter_min_val ||
filter_min_val > filter_max_val)
return DROP_RECORD_WITH_VAR;
//condition met and axis pinned, drop the condition
if (c->axes_location->has (axis_tag) &&
c->axes_location->get (axis_tag).is_point ())
return DROP_COND_WITH_VAR;
if (filter_max_val != axis_max_val || filter_min_val != axis_min_val)
{
// add axisIndex->value into the hashmap so we can check if the record is
// unique with variations
int16_t min_val = filterRangeMinValue.to_int ();
int16_t max_val = filterRangeMaxValue.to_int ();
hb_codepoint_t val = (max_val << 16) + min_val;
hb_codepoint_t val = (filter_max_val << 16) + filter_min_val;
condition_map->set (axisIndex, val);
return KEEP_COND_WITH_VAR;
}
//axis pinned, check if condition is met
//TODO: add check for axis Ranges
int v = c->axes_location->get (axis_tag);
//condition not met, drop the entire record
if (v < filterRangeMinValue.to_int () || v > filterRangeMaxValue.to_int ())
return DROP_RECORD_WITH_VAR;
//axis pinned and condition met, drop the condition
return DROP_COND_WITH_VAR;
return KEEP_RECORD_WITH_VAR;
}
bool evaluate (const int *coords, unsigned int coord_len) const
@ -3001,7 +3019,7 @@ struct Condition
{
switch (u.format) {
case 1: return u.format1.keep_with_variations (c, condition_map);
default:return KEEP_COND_WITH_VAR;
default: c->apply = false; return KEEP_COND_WITH_VAR;
}
}
@ -3046,45 +3064,50 @@ struct ConditionSet
return true;
}
Cond_with_Var_flag_t keep_with_variations (hb_collect_feature_substitutes_with_var_context_t *c) const
void keep_with_variations (hb_collect_feature_substitutes_with_var_context_t *c) const
{
hb_map_t *condition_map = hb_map_create ();
if (unlikely (!condition_map)) return MEM_ERR_WITH_VAR;
if (unlikely (!condition_map)) return;
hb::shared_ptr<hb_map_t> p {condition_map};
hb_set_t *cond_set = hb_set_create ();
if (unlikely (!cond_set)) return MEM_ERR_WITH_VAR;
if (unlikely (!cond_set)) return;
hb::shared_ptr<hb_set_t> s {cond_set};
c->apply = true;
bool should_keep = false;
unsigned num_kept_cond = 0, cond_idx = 0;
for (const auto& offset : conditions)
{
Cond_with_Var_flag_t ret = (this+offset).keep_with_variations (c, condition_map);
// one condition is not met, drop the entire record
// condition is not met or condition out of range, drop the entire record
if (ret == DROP_RECORD_WITH_VAR)
return DROP_RECORD_WITH_VAR;
return;
// axis not pinned, keep this condition
if (ret == KEEP_COND_WITH_VAR)
{
should_keep = true;
cond_set->add (cond_idx);
num_kept_cond++;
}
if (ret == KEEP_RECORD_WITH_VAR)
should_keep = true;
cond_idx++;
}
// all conditions met
if (num_kept_cond == 0) return DROP_COND_WITH_VAR;
if (!should_keep) return;
//check if condition_set is unique with variations
if (c->conditionset_map->has (p))
//duplicate found, drop the entire record
return DROP_RECORD_WITH_VAR;
return;
c->conditionset_map->set (p, 1);
c->record_cond_idx_map->set (c->cur_record_idx, s);
return KEEP_COND_WITH_VAR;
if (should_keep && num_kept_cond == 0)
c->universal = true;
}
bool subset (hb_subset_context_t *c,
@ -3289,12 +3312,11 @@ struct FeatureVariationRecord
void collect_feature_substitutes_with_variations (hb_collect_feature_substitutes_with_var_context_t *c,
const void *base) const
{
// ret == 1, all conditions met
if ((base+conditions).keep_with_variations (c) == DROP_COND_WITH_VAR &&
c->apply)
(base+conditions).keep_with_variations (c);
if (c->apply && !c->variation_applied)
{
(base+substitutions).collect_feature_substitutes_with_variations (c);
c->apply = false; // set variations only once
c->variation_applied = true; // set variations only once
}
}
@ -3361,7 +3383,12 @@ struct FeatureVariations
{
c->cur_record_idx = i;
varRecords[i].collect_feature_substitutes_with_variations (c, this);
if (c->universal)
break;
}
if (c->variation_applied && !c->universal &&
!c->record_cond_idx_map->is_empty ())
c->insert_catch_all_feature_variation_record = true;
}
FeatureVariations* copy (hb_serialize_context_t *c) const

180
thirdparty/harfbuzz/src/hb-ot-layout-gsubgpos.hh vendored
View File

@ -143,9 +143,12 @@ struct hb_closure_context_t :
return active_glyphs_stack.tail ();
}
hb_set_t& push_cur_active_glyphs ()
hb_set_t* push_cur_active_glyphs ()
{
return *active_glyphs_stack.push ();
hb_set_t *s = active_glyphs_stack.push ();
if (unlikely (active_glyphs_stack.in_error ()))
return nullptr;
return s;
}
bool pop_cur_done_glyphs ()
@ -427,6 +430,9 @@ struct hb_ot_apply_context_t :
MATCH_MAYBE
};
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
may_match_t may_match (hb_glyph_info_t &info,
hb_codepoint_t glyph_data) const
{
@ -446,6 +452,9 @@ struct hb_ot_apply_context_t :
SKIP_MAYBE
};
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
may_skip_t may_skip (const hb_ot_apply_context_t *c,
const hb_glyph_info_t &info) const
{
@ -516,6 +525,9 @@ struct hb_ot_apply_context_t :
}
#endif
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
void reset (unsigned int start_index_,
unsigned int num_items_)
{
@ -525,6 +537,9 @@ struct hb_ot_apply_context_t :
matcher.set_syllable (start_index_ == c->buffer->idx ? c->buffer->cur().syllable () : 0);
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
void reset_fast (unsigned int start_index_,
unsigned int num_items_)
{
@ -540,6 +555,9 @@ struct hb_ot_apply_context_t :
}
matcher_t::may_skip_t
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
may_skip (const hb_glyph_info_t &info) const
{ return matcher.may_skip (c, info); }
@ -549,6 +567,9 @@ struct hb_ot_apply_context_t :
SKIP
};
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
match_t match (hb_glyph_info_t &info)
{
matcher_t::may_skip_t skip = matcher.may_skip (c, info);
@ -567,6 +588,9 @@ struct hb_ot_apply_context_t :
return SKIP;
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
bool next (unsigned *unsafe_to = nullptr)
{
assert (num_items > 0);
@ -600,6 +624,9 @@ struct hb_ot_apply_context_t :
*unsafe_to = end;
return false;
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
bool prev (unsigned *unsafe_from = nullptr)
{
assert (num_items > 0);
@ -703,6 +730,7 @@ struct hb_ot_apply_context_t :
hb_font_t *font;
hb_face_t *face;
hb_buffer_t *buffer;
hb_sanitize_context_t sanitizer;
recurse_func_t recurse_func = nullptr;
const GDEF &gdef;
const GDEF::accelerator_t &gdef_accel;
@ -729,9 +757,11 @@ struct hb_ot_apply_context_t :
hb_ot_apply_context_t (unsigned int table_index_,
hb_font_t *font_,
hb_buffer_t *buffer_) :
hb_buffer_t *buffer_,
hb_blob_t *table_blob_) :
table_index (table_index_),
font (font_), face (font->face), buffer (buffer_),
sanitizer (table_blob_),
gdef (
#ifndef HB_NO_OT_LAYOUT
*face->table.GDEF->table
@ -808,6 +838,9 @@ struct hb_ot_apply_context_t :
return true;
}
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
bool check_glyph_property (const hb_glyph_info_t *info,
unsigned int match_props) const
{
@ -1213,14 +1246,17 @@ static inline bool would_match_input (hb_would_apply_context_t *c,
return true;
}
template <typename HBUINT>
static inline bool match_input (hb_ot_apply_context_t *c,
unsigned int count, /* Including the first glyph (not matched) */
const HBUINT input[], /* Array of input values--start with second glyph */
match_func_t match_func,
const void *match_data,
unsigned int *end_position,
unsigned int match_positions[HB_MAX_CONTEXT_LENGTH],
unsigned int *p_total_component_count = nullptr)
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
static bool match_input (hb_ot_apply_context_t *c,
unsigned int count, /* Including the first glyph (not matched) */
const HBUINT input[], /* Array of input values--start with second glyph */
match_func_t match_func,
const void *match_data,
unsigned int *end_position,
unsigned int match_positions[HB_MAX_CONTEXT_LENGTH],
unsigned int *p_total_component_count = nullptr)
{
TRACE_APPLY (nullptr);
@ -1456,12 +1492,15 @@ static inline bool ligate_input (hb_ot_apply_context_t *c,
}
template <typename HBUINT>
static inline bool match_backtrack (hb_ot_apply_context_t *c,
unsigned int count,
const HBUINT backtrack[],
match_func_t match_func,
const void *match_data,
unsigned int *match_start)
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
static bool match_backtrack (hb_ot_apply_context_t *c,
unsigned int count,
const HBUINT backtrack[],
match_func_t match_func,
const void *match_data,
unsigned int *match_start)
{
TRACE_APPLY (nullptr);
@ -1485,13 +1524,16 @@ static inline bool match_backtrack (hb_ot_apply_context_t *c,
}
template <typename HBUINT>
static inline bool match_lookahead (hb_ot_apply_context_t *c,
unsigned int count,
const HBUINT lookahead[],
match_func_t match_func,
const void *match_data,
unsigned int start_index,
unsigned int *end_index)
#ifndef HB_OPTIMIZE_SIZE
HB_ALWAYS_INLINE
#endif
static bool match_lookahead (hb_ot_apply_context_t *c,
unsigned int count,
const HBUINT lookahead[],
match_func_t match_func,
const void *match_data,
unsigned int start_index,
unsigned int *end_index)
{
TRACE_APPLY (nullptr);
@ -1615,10 +1657,13 @@ static void context_closure_recurse_lookups (hb_closure_context_t *c,
}
covered_seq_indicies.add (seqIndex);
hb_set_t *cur_active_glyphs = c->push_cur_active_glyphs ();
if (unlikely (!cur_active_glyphs))
return;
if (has_pos_glyphs) {
c->push_cur_active_glyphs () = std::move (pos_glyphs);
*cur_active_glyphs = std::move (pos_glyphs);
} else {
c->push_cur_active_glyphs ().set (*c->glyphs);
*cur_active_glyphs = *c->glyphs;
}
unsigned endIndex = inputCount;
@ -2001,8 +2046,7 @@ struct Rule
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (inputCount.sanitize (c) &&
lookupCount.sanitize (c) &&
return_trace (c->check_struct (this) &&
c->check_range (inputZ.arrayZ,
inputZ.item_size * (inputCount ? inputCount - 1 : 0) +
LookupRecord::static_size * lookupCount));
@ -2021,6 +2065,7 @@ struct Rule
* design order */
public:
DEFINE_SIZE_ARRAY (4, inputZ);
DEFINE_SIZE_MAX (65536 * (Types::HBUINT::static_size + LookupRecord::static_size));
};
template <typename Types>
@ -2168,8 +2213,9 @@ struct ContextFormat1_4
void closure (hb_closure_context_t *c) const
{
hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
get_coverage ().intersect_set (c->previous_parent_active_glyphs (), cur_active_glyphs);
hb_set_t* cur_active_glyphs = c->push_cur_active_glyphs ();
if (unlikely (!cur_active_glyphs)) return;
get_coverage ().intersect_set (c->previous_parent_active_glyphs (), *cur_active_glyphs);
struct ContextClosureLookupContext lookup_context = {
{intersects_glyph, intersected_glyph},
@ -2338,9 +2384,10 @@ struct ContextFormat2_5
if (!(this+coverage).intersects (c->glyphs))
return;
hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
hb_set_t* cur_active_glyphs = c->push_cur_active_glyphs ();
if (unlikely (!cur_active_glyphs)) return;
get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
cur_active_glyphs);
*cur_active_glyphs);
const ClassDef &class_def = this+classDef;
@ -2583,10 +2630,10 @@ struct ContextFormat3
if (!(this+coverageZ[0]).intersects (c->glyphs))
return;
hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
hb_set_t* cur_active_glyphs = c->push_cur_active_glyphs ();
if (unlikely (!cur_active_glyphs)) return;
get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
cur_active_glyphs);
*cur_active_glyphs);
const LookupRecord *lookupRecord = &StructAfter<LookupRecord> (coverageZ.as_array (glyphCount));
struct ContextClosureLookupContext lookup_context = {
@ -2687,14 +2734,14 @@ struct ContextFormat3
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
if (!c->check_struct (this)) return_trace (false);
if (unlikely (!c->check_struct (this))) return_trace (false);
unsigned int count = glyphCount;
if (!count) return_trace (false); /* We want to access coverageZ[0] freely. */
if (!c->check_array (coverageZ.arrayZ, count)) return_trace (false);
if (unlikely (!count)) return_trace (false); /* We want to access coverageZ[0] freely. */
if (unlikely (!c->check_array (coverageZ.arrayZ, count))) return_trace (false);
for (unsigned int i = 0; i < count; i++)
if (!coverageZ[i].sanitize (c, this)) return_trace (false);
if (unlikely (!coverageZ[i].sanitize (c, this))) return_trace (false);
const LookupRecord *lookupRecord = &StructAfter<LookupRecord> (coverageZ.as_array (glyphCount));
return_trace (c->check_array (lookupRecord, lookupCount));
return_trace (likely (c->check_array (lookupRecord, lookupCount)));
}
protected:
@ -3014,8 +3061,6 @@ struct ChainRule
const hb_map_t *lookahead_map = nullptr) const
{
TRACE_SERIALIZE (this);
auto *out = c->start_embed (this);
if (unlikely (!out)) return_trace (false);
const hb_map_t *mapping = backtrack_map;
serialize_array (c, backtrack.len, + backtrack.iter ()
@ -3077,13 +3122,14 @@ struct ChainRule
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
if (!backtrack.sanitize (c)) return_trace (false);
/* Hyper-optimized sanitized because this is really hot. */
if (unlikely (!backtrack.len.sanitize (c))) return_trace (false);
const auto &input = StructAfter<decltype (inputX)> (backtrack);
if (!input.sanitize (c)) return_trace (false);
if (unlikely (!input.lenP1.sanitize (c))) return_trace (false);
const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
if (!lookahead.sanitize (c)) return_trace (false);
if (unlikely (!lookahead.len.sanitize (c))) return_trace (false);
const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
return_trace (lookup.sanitize (c));
return_trace (likely (lookup.sanitize (c)));
}
protected:
@ -3091,7 +3137,7 @@ struct ChainRule
backtrack; /* Array of backtracking values
* (to be matched before the input
* sequence) */
HeadlessArrayOf<typename Types::HBUINT>
HeadlessArray16Of<typename Types::HBUINT>
inputX; /* Array of input values (start with
* second glyph) */
Array16Of<typename Types::HBUINT>
@ -3102,6 +3148,7 @@ struct ChainRule
* design order) */
public:
DEFINE_SIZE_MIN (8);
DEFINE_SIZE_MAX (65536 * (3 * Types::HBUINT::static_size + LookupRecord::static_size));
};
template <typename Types>
@ -3251,9 +3298,10 @@ struct ChainContextFormat1_4
void closure (hb_closure_context_t *c) const
{
hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
hb_set_t* cur_active_glyphs = c->push_cur_active_glyphs ();
if (unlikely (!cur_active_glyphs)) return;
get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
cur_active_glyphs);
*cur_active_glyphs);
struct ChainContextClosureLookupContext lookup_context = {
{intersects_glyph, intersected_glyph},
@ -3423,10 +3471,10 @@ struct ChainContextFormat2_5
if (!(this+coverage).intersects (c->glyphs))
return;
hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
hb_set_t* cur_active_glyphs = c->push_cur_active_glyphs ();
if (unlikely (!cur_active_glyphs)) return;
get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
cur_active_glyphs);
*cur_active_glyphs);
const ClassDef &backtrack_class_def = this+backtrackClassDef;
const ClassDef &input_class_def = this+inputClassDef;
@ -3727,10 +3775,11 @@ struct ChainContextFormat3
if (!(this+input[0]).intersects (c->glyphs))
return;
hb_set_t& cur_active_glyphs = c->push_cur_active_glyphs ();
hb_set_t* cur_active_glyphs = c->push_cur_active_glyphs ();
if (unlikely (!cur_active_glyphs))
return;
get_coverage ().intersect_set (c->previous_parent_active_glyphs (),
cur_active_glyphs);
*cur_active_glyphs);
const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
@ -3849,8 +3898,6 @@ struct ChainContextFormat3
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (this);
if (unlikely (!out)) return_trace (false);
if (unlikely (!c->serializer->embed (this->format))) return_trace (false);
if (!serialize_coverage_offsets (c, backtrack.iter (), this))
@ -3877,14 +3924,14 @@ struct ChainContextFormat3
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
if (!backtrack.sanitize (c, this)) return_trace (false);
if (unlikely (!backtrack.sanitize (c, this))) return_trace (false);
const auto &input = StructAfter<decltype (inputX)> (backtrack);
if (!input.sanitize (c, this)) return_trace (false);
if (!input.len) return_trace (false); /* To be consistent with Context. */
if (unlikely (!input.sanitize (c, this))) return_trace (false);
if (unlikely (!input.len)) return_trace (false); /* To be consistent with Context. */
const auto &lookahead = StructAfter<decltype (lookaheadX)> (input);
if (!lookahead.sanitize (c, this)) return_trace (false);
if (unlikely (!lookahead.sanitize (c, this))) return_trace (false);
const auto &lookup = StructAfter<decltype (lookupX)> (lookahead);
return_trace (lookup.sanitize (c));
return_trace (likely (lookup.sanitize (c)));
}
protected:
@ -3974,7 +4021,7 @@ struct ExtensionFormat1
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (this);
if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false);
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
out->format = format;
out->extensionLookupType = extensionLookupType;
@ -4503,7 +4550,10 @@ struct GSUBGPOS
{
accelerator_t (hb_face_t *face)
{
this->table = hb_sanitize_context_t ().reference_table<T> (face);
hb_sanitize_context_t sc;
sc.lazy_some_gpos = true;
this->table = sc.reference_table<T> (face);
if (unlikely (this->table->is_blocklisted (this->table.get_blob (), face)))
{
hb_blob_destroy (this->table.get_blob ());
@ -4528,6 +4578,8 @@ struct GSUBGPOS
this->table.destroy ();
}
hb_blob_t *get_blob () const { return table.get_blob (); }
hb_ot_layout_lookup_accelerator_t *get_accel (unsigned lookup_index) const
{
if (unlikely (lookup_index >= lookup_count)) return nullptr;

195
thirdparty/harfbuzz/src/hb-ot-layout.cc vendored
View File

@ -1316,8 +1316,7 @@ hb_ot_layout_collect_lookups (hb_face_t *face,
hb_set_t feature_indexes;
hb_ot_layout_collect_features (face, table_tag, scripts, languages, features, &feature_indexes);
for (hb_codepoint_t feature_index = HB_SET_VALUE_INVALID;
hb_set_next (&feature_indexes, &feature_index);)
for (auto feature_index : feature_indexes)
g.get_feature (feature_index).add_lookup_indexes_to (lookup_indexes);
g.feature_variation_collect_lookups (&feature_indexes, nullptr, lookup_indexes);
@ -1570,7 +1569,7 @@ hb_ot_layout_lookups_substitute_closure (hb_face_t *face,
glyphs_length = glyphs->get_population ();
if (lookups)
{
for (hb_codepoint_t lookup_index = HB_SET_VALUE_INVALID; hb_set_next (lookups, &lookup_index);)
for (auto lookup_index : *lookups)
gsub.get_lookup (lookup_index).closure (&c, lookup_index);
}
else
@ -1953,7 +1952,7 @@ inline void hb_ot_map_t::apply (const Proxy &proxy,
{
const unsigned int table_index = proxy.table_index;
unsigned int i = 0;
OT::hb_ot_apply_context_t c (table_index, font, buffer);
OT::hb_ot_apply_context_t c (table_index, font, buffer, proxy.accel.get_blob ());
c.set_recurse_func (Proxy::Lookup::template dispatch_recurse_func<OT::hb_ot_apply_context_t>);
for (unsigned int stage_index = 0; stage_index < stages[table_index].length; stage_index++)
@ -2011,20 +2010,20 @@ void hb_ot_map_t::substitute (const hb_ot_shape_plan_t *plan, hb_font_t *font, h
{
GSUBProxy proxy (font->face);
if (buffer->messaging () &&
!buffer->message (font, "start table GSUB")) return;
!buffer->message (font, "start table GSUB script tag '%c%c%c%c'", HB_UNTAG (chosen_script[0]))) return;
apply (proxy, plan, font, buffer);
if (buffer->messaging ())
(void) buffer->message (font, "end table GSUB");
(void) buffer->message (font, "end table GSUB script tag '%c%c%c%c'", HB_UNTAG (chosen_script[0]));
}
void hb_ot_map_t::position (const hb_ot_shape_plan_t *plan, hb_font_t *font, hb_buffer_t *buffer) const
{
GPOSProxy proxy (font->face);
if (buffer->messaging () &&
!buffer->message (font, "start table GPOS")) return;
!buffer->message (font, "start table GPOS script tag '%c%c%c%c'", HB_UNTAG (chosen_script[1]))) return;
apply (proxy, plan, font, buffer);
if (buffer->messaging ())
(void) buffer->message (font, "end table GPOS");
(void) buffer->message (font, "end table GPOS script tag '%c%c%c%c'", HB_UNTAG (chosen_script[1]));
}
void
@ -2036,6 +2035,112 @@ hb_ot_layout_substitute_lookup (OT::hb_ot_apply_context_t *c,
}
#ifndef HB_NO_BASE
static void
choose_base_tags (hb_script_t script,
hb_language_t language,
hb_tag_t *script_tag,
hb_tag_t *language_tag)
{
hb_tag_t script_tags[HB_OT_MAX_TAGS_PER_SCRIPT];
unsigned script_count = ARRAY_LENGTH (script_tags);
hb_tag_t language_tags[HB_OT_MAX_TAGS_PER_LANGUAGE];
unsigned language_count = ARRAY_LENGTH (language_tags);
hb_ot_tags_from_script_and_language (script, language,
&script_count, script_tags,
&language_count, language_tags);
*script_tag = script_count ? script_tags[script_count - 1] : HB_OT_TAG_DEFAULT_SCRIPT;
*language_tag = language_count ? language_tags[language_count - 1] : HB_OT_TAG_DEFAULT_LANGUAGE;
}
/**
* hb_ot_layout_get_font_extents:
* @font: a font
* @direction: text direction.
* @script_tag: script tag.
* @language_tag: language tag.
* @extents: (out) (nullable): font extents if found.
*
* Fetches script/language-specific font extents. These values are
* looked up in the `BASE` table's `MinMax` records.
*
* If no such extents are found, the default extents for the font are
* fetched. As such, the return value of this function can for the
* most part be ignored. Note that the per-script/language extents
* do not have a line-gap value, and the line-gap is set to zero in
* that case.
*
* Return value: `true` if found script/language-specific font extents.
*
* Since: 8.0.0
**/
hb_bool_t
hb_ot_layout_get_font_extents (hb_font_t *font,
hb_direction_t direction,
hb_tag_t script_tag,
hb_tag_t language_tag,
hb_font_extents_t *extents)
{
hb_position_t min, max;
if (font->face->table.BASE->get_min_max (font, direction, script_tag, language_tag, HB_TAG_NONE,
&min, &max))
{
if (extents)
{
extents->ascender = max;
extents->descender = min;
extents->line_gap = 0;
}
return true;
}
hb_font_get_extents_for_direction (font, direction, extents);
return false;
}
/**
* hb_ot_layout_get_font_extents2:
* @font: a font
* @direction: text direction.
* @script: script.
* @language: (nullable): language.
* @extents: (out) (nullable): font extents if found.
*
* Fetches script/language-specific font extents. These values are
* looked up in the `BASE` table's `MinMax` records.
*
* If no such extents are found, the default extents for the font are
* fetched. As such, the return value of this function can for the
* most part be ignored. Note that the per-script/language extents
* do not have a line-gap value, and the line-gap is set to zero in
* that case.
*
* This function is like hb_ot_layout_get_font_extents() but takes
* #hb_script_t and #hb_language_t instead of OpenType #hb_tag_t.
*
* Return value: `true` if found script/language-specific font extents.
*
* Since: 8.0.0
**/
hb_bool_t
hb_ot_layout_get_font_extents2 (hb_font_t *font,
hb_direction_t direction,
hb_script_t script,
hb_language_t language,
hb_font_extents_t *extents)
{
hb_tag_t script_tag, language_tag;
choose_base_tags (script, language, &script_tag, &language_tag);
return hb_ot_layout_get_font_extents (font,
direction,
script_tag,
language_tag,
extents);
}
/**
* hb_ot_layout_get_horizontal_baseline_tag_for_script:
* @script: a script tag.
@ -2133,6 +2238,42 @@ hb_ot_layout_get_baseline (hb_font_t *font,
return font->face->table.BASE->get_baseline (font, baseline_tag, direction, script_tag, language_tag, coord);
}
/**
* hb_ot_layout_get_baseline2:
* @font: a font
* @baseline_tag: a baseline tag
* @direction: text direction.
* @script: script.
* @language: (nullable): language, currently unused.
* @coord: (out) (nullable): baseline value if found.
*
* Fetches a baseline value from the face.
*
* This function is like hb_ot_layout_get_baseline() but takes
* #hb_script_t and #hb_language_t instead of OpenType #hb_tag_t.
*
* Return value: `true` if found baseline value in the font.
*
* Since: 8.0.0
**/
hb_bool_t
hb_ot_layout_get_baseline2 (hb_font_t *font,
hb_ot_layout_baseline_tag_t baseline_tag,
hb_direction_t direction,
hb_script_t script,
hb_language_t language,
hb_position_t *coord /* OUT. May be NULL. */)
{
hb_tag_t script_tag, language_tag;
choose_base_tags (script, language, &script_tag, &language_tag);
return hb_ot_layout_get_baseline (font,
baseline_tag,
direction,
script_tag,
language_tag,
coord);
}
/**
* hb_ot_layout_get_baseline_with_fallback:
* @font: a font
@ -2355,6 +2496,41 @@ hb_ot_layout_get_baseline_with_fallback (hb_font_t *font,
}
}
/**
* hb_ot_layout_get_baseline_with_fallback2:
* @font: a font
* @baseline_tag: a baseline tag
* @direction: text direction.
* @script: script.
* @language: (nullable): language, currently unused.
* @coord: (out): baseline value if found.
*
* Fetches a baseline value from the face, and synthesizes
* it if the font does not have it.
*
* This function is like hb_ot_layout_get_baseline_with_fallback() but takes
* #hb_script_t and #hb_language_t instead of OpenType #hb_tag_t.
*
* Since: 8.0.0
**/
void
hb_ot_layout_get_baseline_with_fallback2 (hb_font_t *font,
hb_ot_layout_baseline_tag_t baseline_tag,
hb_direction_t direction,
hb_script_t script,
hb_language_t language,
hb_position_t *coord /* OUT */)
{
hb_tag_t script_tag, language_tag;
choose_base_tags (script, language, &script_tag, &language_tag);
hb_ot_layout_get_baseline_with_fallback (font,
baseline_tag,
direction,
script_tag,
language_tag,
coord);
}
#endif
@ -2451,9 +2627,10 @@ hb_ot_layout_lookup_get_optical_bound (hb_font_t *font,
hb_codepoint_t glyph)
{
const OT::PosLookup &lookup = font->face->table.GPOS->table->get_lookup (lookup_index);
hb_blob_t *blob = font->face->table.GPOS->get_blob ();
hb_glyph_position_t pos = {0};
hb_position_single_dispatch_t c;
lookup.dispatch (&c, font, direction, glyph, pos);
lookup.dispatch (&c, font, blob, direction, glyph, pos);
hb_position_t ret = 0;
switch (direction)
{

30
thirdparty/harfbuzz/src/hb-ot-layout.h vendored
View File

@ -447,6 +447,20 @@ hb_ot_layout_feature_get_characters (hb_face_t *face,
* BASE
*/
HB_EXTERN hb_bool_t
hb_ot_layout_get_font_extents (hb_font_t *font,
hb_direction_t direction,
hb_tag_t script_tag,
hb_tag_t language_tag,
hb_font_extents_t *extents);
HB_EXTERN hb_bool_t
hb_ot_layout_get_font_extents2 (hb_font_t *font,
hb_direction_t direction,
hb_script_t script,
hb_language_t language,
hb_font_extents_t *extents);
/**
* hb_ot_layout_baseline_tag_t:
* @HB_OT_LAYOUT_BASELINE_TAG_ROMAN: The baseline used by alphabetic scripts such as Latin, Cyrillic and Greek.
@ -499,6 +513,14 @@ hb_ot_layout_get_baseline (hb_font_t *font,
hb_tag_t language_tag,
hb_position_t *coord /* OUT. May be NULL. */);
HB_EXTERN hb_bool_t
hb_ot_layout_get_baseline2 (hb_font_t *font,
hb_ot_layout_baseline_tag_t baseline_tag,
hb_direction_t direction,
hb_script_t script,
hb_language_t language,
hb_position_t *coord /* OUT. May be NULL. */);
HB_EXTERN void
hb_ot_layout_get_baseline_with_fallback (hb_font_t *font,
hb_ot_layout_baseline_tag_t baseline_tag,
@ -507,6 +529,14 @@ hb_ot_layout_get_baseline_with_fallback (hb_font_t *font,
hb_tag_t language_tag,
hb_position_t *coord /* OUT */);
HB_EXTERN void
hb_ot_layout_get_baseline_with_fallback2 (hb_font_t *font,
hb_ot_layout_baseline_tag_t baseline_tag,
hb_direction_t direction,
hb_script_t script,
hb_language_t language,
hb_position_t *coord /* OUT */);
HB_END_DECLS
#endif /* HB_OT_LAYOUT_H */

14
thirdparty/harfbuzz/src/hb-ot-layout.hh vendored
View File

@ -448,7 +448,7 @@ _hb_glyph_info_get_lig_id (const hb_glyph_info_t *info)
static inline bool
_hb_glyph_info_ligated_internal (const hb_glyph_info_t *info)
{
return !!(info->lig_props() & IS_LIG_BASE);
return info->lig_props() & IS_LIG_BASE;
}
static inline unsigned int
@ -496,37 +496,37 @@ _hb_glyph_info_get_glyph_props (const hb_glyph_info_t *info)
static inline bool
_hb_glyph_info_is_base_glyph (const hb_glyph_info_t *info)
{
return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH);
return info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH;
}
static inline bool
_hb_glyph_info_is_ligature (const hb_glyph_info_t *info)
{
return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE);
return info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE;
}
static inline bool
_hb_glyph_info_is_mark (const hb_glyph_info_t *info)
{
return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MARK);
return info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MARK;
}
static inline bool
_hb_glyph_info_substituted (const hb_glyph_info_t *info)
{
return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED);
return info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED;
}
static inline bool
_hb_glyph_info_ligated (const hb_glyph_info_t *info)
{
return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATED);
return info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATED;
}
static inline bool
_hb_glyph_info_multiplied (const hb_glyph_info_t *info)
{
return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED);
return info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED;
}
static inline bool

8
thirdparty/harfbuzz/src/hb-ot-map.cc vendored
View File

@ -213,7 +213,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m,
/* Sort features and merge duplicates */
if (feature_infos.length)
{
feature_infos.qsort ();
if (!is_simple)
feature_infos.qsort ();
auto *f = feature_infos.arrayZ;
unsigned int j = 0;
unsigned count = feature_infos.length;
@ -314,7 +315,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m,
map->needs_fallback = !found;
}
//feature_infos.shrink (0); /* Done with these */
if (is_simple)
m.features.qsort ();
add_gsub_pause (nullptr);
add_gpos_pause (nullptr);
@ -350,7 +352,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m,
}
/* Sort lookups and merge duplicates */
if (last_num_lookups < lookups.length)
if (last_num_lookups + 1 < lookups.length)
{
lookups.as_array ().sub_array (last_num_lookups, lookups.length - last_num_lookups).qsort ();

8
thirdparty/harfbuzz/src/hb-ot-map.hh vendored
View File

@ -60,6 +60,13 @@ struct hb_ot_map_t
int cmp (const hb_tag_t tag_) const
{ return tag_ < tag ? -1 : tag_ > tag ? 1 : 0; }
HB_INTERNAL static int cmp (const void *pa, const void *pb)
{
const feature_map_t *a = (const feature_map_t *) pa;
const feature_map_t *b = (const feature_map_t *) pb;
return a->tag < b->tag ? -1 : a->tag > b->tag ? 1 : 0;
}
};
struct lookup_map_t {
@ -273,6 +280,7 @@ struct hb_ot_map_builder_t
hb_face_t *face;
hb_segment_properties_t props;
bool is_simple;
hb_tag_t chosen_script[2];
bool found_script[2];

13
thirdparty/harfbuzz/src/hb-ot-math-table.hh vendored
View File

@ -73,7 +73,6 @@ struct MathConstants
{
TRACE_SERIALIZE (this);
auto *out = c->start_embed (this);
if (unlikely (!out)) return_trace (nullptr);
HBINT16 *p = c->allocate_size<HBINT16> (HBINT16::static_size * 2);
if (unlikely (!p)) return_trace (nullptr);
@ -310,7 +309,6 @@ struct MathKern
{
TRACE_SERIALIZE (this);
auto *out = c->start_embed (this);
if (unlikely (!out)) return_trace (nullptr);
if (unlikely (!c->embed (heightCount))) return_trace (nullptr);
@ -572,6 +570,7 @@ struct MathGlyphInfo
auto it =
+ hb_iter (this+extendedShapeCoverage)
| hb_take (c->plan->source->get_num_glyphs ())
| hb_filter (glyphset)
| hb_map_retains_sorting (glyph_map)
;
@ -757,8 +756,6 @@ struct MathGlyphAssembly
bool subset (hb_subset_context_t *c) const
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (*this);
if (unlikely (!out)) return_trace (false);
if (!c->serializer->copy (italicsCorrection, this)) return_trace (false);
if (!c->serializer->copy<HBUINT16> (partRecords.len)) return_trace (false);
@ -945,13 +942,13 @@ struct MathVariants
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
if (!c->serializer->check_assign (out->minConnectorOverlap, minConnectorOverlap, HB_SERIALIZE_ERROR_INT_OVERFLOW))
return_trace (false);
hb_sorted_vector_t<hb_codepoint_t> new_vert_coverage;
hb_sorted_vector_t<hb_codepoint_t> new_hori_coverage;
hb_set_t indices;
collect_coverage_and_indices (new_vert_coverage, vertGlyphCoverage, 0, vertGlyphCount, indices, glyphset, glyph_map);
collect_coverage_and_indices (new_hori_coverage, horizGlyphCoverage, vertGlyphCount, vertGlyphCount + horizGlyphCount, indices, glyphset, glyph_map);
if (!c->serializer->check_assign (out->vertGlyphCount, new_vert_coverage.length, HB_SERIALIZE_ERROR_INT_OVERFLOW))
return_trace (false);
if (!c->serializer->check_assign (out->horizGlyphCount, new_hori_coverage.length, HB_SERIALIZE_ERROR_INT_OVERFLOW))
@ -963,10 +960,10 @@ struct MathVariants
if (!o) return_trace (false);
o->serialize_subset (c, glyphConstruction[i], this);
}
if (new_vert_coverage)
out->vertGlyphCoverage.serialize_serialize (c->serializer, new_vert_coverage.iter ());
if (new_hori_coverage)
out->horizGlyphCoverage.serialize_serialize (c->serializer, new_hori_coverage.iter ());
return_trace (true);

7
thirdparty/harfbuzz/src/hb-ot-os2-table.hh vendored
View File

@ -249,7 +249,7 @@ struct OS2
if (c->plan->user_axes_location.has (HB_TAG ('w','g','h','t')) &&
!c->plan->pinned_at_default)
{
float weight_class = c->plan->user_axes_location.get (HB_TAG ('w','g','h','t'));
float weight_class = c->plan->user_axes_location.get (HB_TAG ('w','g','h','t')).middle;
if (!c->serializer->check_assign (os2_prime->usWeightClass,
roundf (hb_clamp (weight_class, 1.0f, 1000.0f)),
HB_SERIALIZE_ERROR_INT_OVERFLOW))
@ -259,7 +259,7 @@ struct OS2
if (c->plan->user_axes_location.has (HB_TAG ('w','d','t','h')) &&
!c->plan->pinned_at_default)
{
float width = c->plan->user_axes_location.get (HB_TAG ('w','d','t','h'));
float width = c->plan->user_axes_location.get (HB_TAG ('w','d','t','h')).middle;
if (!c->serializer->check_assign (os2_prime->usWidthClass,
roundf (map_wdth_to_widthclass (width)),
HB_SERIALIZE_ERROR_INT_OVERFLOW))
@ -287,8 +287,7 @@ struct OS2
/* This block doesn't show up in profiles. If it ever did,
* we can rewrite it to iterate over OS/2 ranges and use
* set iteration to check if the range matches. */
for (hb_codepoint_t cp = HB_SET_VALUE_INVALID;
codepoints->next (&cp);)
for (auto cp : *codepoints)
{
unsigned int bit = _hb_ot_os2_get_unicode_range_bit (cp);
if (bit < 128)

12
thirdparty/harfbuzz/src/hb-ot-post-table-v2subset.hh vendored
View File

@ -79,6 +79,11 @@ HB_INTERNAL bool postV2Tail::subset (hb_subset_context_t *c) const
post::accelerator_t _post (c->plan->source);
hb_hashmap_t<hb_bytes_t, uint32_t, true> glyph_name_to_new_index;
old_new_index_map.alloc (num_glyphs);
old_gid_new_index_map.alloc (num_glyphs);
glyph_name_to_new_index.alloc (num_glyphs);
for (hb_codepoint_t new_gid = 0; new_gid < num_glyphs; new_gid++)
{
hb_codepoint_t old_gid = reverse_glyph_map.get (new_gid);
@ -86,11 +91,12 @@ HB_INTERNAL bool postV2Tail::subset (hb_subset_context_t *c) const
unsigned new_index;
const uint32_t *new_index2;
if (old_index <= 257) new_index = old_index;
if (old_index <= 257)
new_index = old_index;
else if (old_new_index_map.has (old_index, &new_index2))
{
new_index = *new_index2;
} else {
else
{
hb_bytes_t s = _post.find_glyph_name (old_gid);
new_index = glyph_name_to_new_index.get (s);
if (new_index == (unsigned)-1)

5
thirdparty/harfbuzz/src/hb-ot-post-table.hh vendored
View File

@ -96,8 +96,7 @@ struct post
bool subset (hb_subset_context_t *c) const
{
TRACE_SUBSET (this);
post *post_prime = c->serializer->start_embed<post> ();
if (unlikely (!post_prime)) return_trace (false);
auto *post_prime = c->serializer->start_embed<post> ();
bool glyph_names = c->plan->flags & HB_SUBSET_FLAGS_GLYPH_NAMES;
if (!serialize (c->serializer, glyph_names))
@ -117,7 +116,7 @@ struct post
if (c->plan->user_axes_location.has (HB_TAG ('s','l','n','t')) &&
!c->plan->pinned_at_default)
{
float italic_angle = c->plan->user_axes_location.get (HB_TAG ('s','l','n','t'));
float italic_angle = c->plan->user_axes_location.get (HB_TAG ('s','l','n','t')).middle;
italic_angle = hb_max (-90.f, hb_min (italic_angle, 90.f));
post_prime->italicAngle.set_float (italic_angle);
}

7
thirdparty/harfbuzz/src/hb-ot-shape.cc vendored
View File

@ -313,6 +313,8 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t *planner,
{
hb_ot_map_builder_t *map = &planner->map;
map->is_simple = true;
map->enable_feature (HB_TAG('r','v','r','n'));
map->add_gsub_pause (nullptr);
@ -354,7 +356,10 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t *planner,
map->enable_feature (HB_TAG ('H','A','R','F')); /* Considered discretionary. */
if (planner->shaper->collect_features)
{
map->is_simple = false;
planner->shaper->collect_features (planner);
}
map->enable_feature (HB_TAG ('B','u','z','z')); /* Considered required. */
map->enable_feature (HB_TAG ('B','U','Z','Z')); /* Considered discretionary. */
@ -378,6 +383,8 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t *planner,
map->enable_feature (HB_TAG ('v','e','r','t'), F_GLOBAL_SEARCH);
}
if (num_user_features)
map->is_simple = false;
for (unsigned int i = 0; i < num_user_features; i++)
{
const hb_feature_t *feature = &user_features[i];

2
thirdparty/harfbuzz/src/hb-ot-shaper-arabic-fallback.hh vendored
View File

@ -368,7 +368,7 @@ arabic_fallback_plan_shape (arabic_fallback_plan_t *fallback_plan,
hb_font_t *font,
hb_buffer_t *buffer)
{
OT::hb_ot_apply_context_t c (0, font, buffer);
OT::hb_ot_apply_context_t c (0, font, buffer, hb_blob_get_empty ());
for (unsigned int i = 0; i < fallback_plan->num_lookups; i++)
if (fallback_plan->lookup_array[i]) {
c.set_lookup_mask (fallback_plan->mask_array[i]);

14
thirdparty/harfbuzz/src/hb-ot-shaper-indic-machine.hh vendored
View File

@ -53,7 +53,7 @@ enum indic_syllable_type_t {
};
#line 57 "hb-ot-shaper-indic-machine.hh"
#line 54 "hb-ot-shaper-indic-machine.hh"
#define indic_syllable_machine_ex_A 9u
#define indic_syllable_machine_ex_C 1u
#define indic_syllable_machine_ex_CM 16u
@ -76,7 +76,7 @@ enum indic_syllable_type_t {
#define indic_syllable_machine_ex_ZWNJ 5u
#line 80 "hb-ot-shaper-indic-machine.hh"
#line 75 "hb-ot-shaper-indic-machine.hh"
static const unsigned char _indic_syllable_machine_trans_keys[] = {
8u, 8u, 4u, 13u, 5u, 13u, 5u, 13u, 13u, 13u, 4u, 13u, 4u, 13u, 4u, 13u,
8u, 8u, 5u, 13u, 5u, 13u, 13u, 13u, 4u, 13u, 4u, 13u, 4u, 13u, 4u, 13u,
@ -460,7 +460,7 @@ find_syllables_indic (hb_buffer_t *buffer)
int cs;
hb_glyph_info_t *info = buffer->info;
#line 464 "hb-ot-shaper-indic-machine.hh"
#line 453 "hb-ot-shaper-indic-machine.hh"
{
cs = indic_syllable_machine_start;
ts = 0;
@ -476,7 +476,7 @@ find_syllables_indic (hb_buffer_t *buffer)
unsigned int syllable_serial = 1;
#line 480 "hb-ot-shaper-indic-machine.hh"
#line 465 "hb-ot-shaper-indic-machine.hh"
{
int _slen;
int _trans;
@ -490,7 +490,7 @@ _resume:
#line 1 "NONE"
{ts = p;}
break;
#line 494 "hb-ot-shaper-indic-machine.hh"
#line 477 "hb-ot-shaper-indic-machine.hh"
}
_keys = _indic_syllable_machine_trans_keys + (cs<<1);
@ -593,7 +593,7 @@ _eof_trans:
#line 114 "hb-ot-shaper-indic-machine.rl"
{act = 6;}
break;
#line 597 "hb-ot-shaper-indic-machine.hh"
#line 559 "hb-ot-shaper-indic-machine.hh"
}
_again:
@ -602,7 +602,7 @@ _again:
#line 1 "NONE"
{ts = 0;}
break;
#line 606 "hb-ot-shaper-indic-machine.hh"
#line 566 "hb-ot-shaper-indic-machine.hh"
}
if ( ++p != pe )

12
thirdparty/harfbuzz/src/hb-ot-shaper-syllabic.cc vendored
View File

@ -40,6 +40,14 @@ hb_syllabic_insert_dotted_circles (hb_font_t *font,
if (unlikely (buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE))
return false;
if (likely (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE)))
{
if (buffer->messaging ())
(void) buffer->message (font, "skipped inserting dotted-circles because there is no broken syllables");
return false;
}
if (buffer->messaging () &&
!buffer->message (font, "start inserting dotted-circles"))
return false;
hb_codepoint_t dottedcircle_glyph;
@ -84,6 +92,10 @@ hb_syllabic_insert_dotted_circles (hb_font_t *font,
(void) buffer->next_glyph ();
}
buffer->sync ();
if (buffer->messaging ())
(void) buffer->message (font, "end inserting dotted-circles");
return true;
}

3
thirdparty/harfbuzz/src/hb-ot-shaper-use.cc vendored
View File

@ -377,6 +377,9 @@ reorder_syllable_use (hb_buffer_t *buffer, unsigned int start, unsigned int end)
#define POST_BASE_FLAGS64 (FLAG64 (USE(FAbv)) | \
FLAG64 (USE(FBlw)) | \
FLAG64 (USE(FPst)) | \
FLAG64 (USE(FMAbv)) | \
FLAG64 (USE(FMBlw)) | \
FLAG64 (USE(FMPst)) | \
FLAG64 (USE(MAbv)) | \
FLAG64 (USE(MBlw)) | \
FLAG64 (USE(MPst)) | \

53
thirdparty/harfbuzz/src/hb-ot-stat-table.hh vendored
View File

@ -57,6 +57,16 @@ enum
// Reserved = 0xFFFC /* Reserved for future use — set to zero. */
};
static bool axis_value_is_outside_axis_range (hb_tag_t axis_tag, float axis_value,
const hb_hashmap_t<hb_tag_t, Triple> *user_axes_location)
{
if (!user_axes_location->has (axis_tag))
return false;
Triple axis_range = user_axes_location->get (axis_tag);
return (axis_value < axis_range.minimum || axis_value > axis_range.maximum);
}
struct StatAxisRecord
{
int cmp (hb_tag_t key) const { return tag.cmp (key); }
@ -96,23 +106,19 @@ struct AxisValueFormat1
}
bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
const hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
const hb_hashmap_t<hb_tag_t, Triple> *user_axes_location) const
{
hb_tag_t axis_tag = get_axis_tag (axis_records);
float axis_value = get_value ();
if (!user_axes_location->has (axis_tag) ||
fabsf(axis_value - user_axes_location->get (axis_tag)) < 0.001f)
return true;
return false;
return !axis_value_is_outside_axis_range (axis_tag, axis_value, user_axes_location);
}
bool subset (hb_subset_context_t *c,
const hb_array_t<const StatAxisRecord> axis_records) const
{
TRACE_SUBSET (this);
const hb_hashmap_t<hb_tag_t, float>* user_axes_location = &c->plan->user_axes_location;
const hb_hashmap_t<hb_tag_t, Triple>* user_axes_location = &c->plan->user_axes_location;
if (keep_axis_value (axis_records, user_axes_location))
return_trace (c->serializer->embed (this));
@ -155,23 +161,19 @@ struct AxisValueFormat2
}
bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
const hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
const hb_hashmap_t<hb_tag_t, Triple> *user_axes_location) const
{
hb_tag_t axis_tag = get_axis_tag (axis_records);
float axis_value = get_value ();
if (!user_axes_location->has (axis_tag) ||
fabsf(axis_value - user_axes_location->get (axis_tag)) < 0.001f)
return true;
return false;
return !axis_value_is_outside_axis_range (axis_tag, axis_value, user_axes_location);
}
bool subset (hb_subset_context_t *c,
const hb_array_t<const StatAxisRecord> axis_records) const
{
TRACE_SUBSET (this);
const hb_hashmap_t<hb_tag_t, float>* user_axes_location = &c->plan->user_axes_location;
const hb_hashmap_t<hb_tag_t, Triple>* user_axes_location = &c->plan->user_axes_location;
if (keep_axis_value (axis_records, user_axes_location))
return_trace (c->serializer->embed (this));
@ -218,23 +220,19 @@ struct AxisValueFormat3
}
bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
const hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
const hb_hashmap_t<hb_tag_t, Triple> *user_axes_location) const
{
hb_tag_t axis_tag = get_axis_tag (axis_records);
float axis_value = get_value ();
if (!user_axes_location->has (axis_tag) ||
fabsf(axis_value - user_axes_location->get (axis_tag)) < 0.001f)
return true;
return false;
return !axis_value_is_outside_axis_range (axis_tag, axis_value, user_axes_location);
}
bool subset (hb_subset_context_t *c,
const hb_array_t<const StatAxisRecord> axis_records) const
{
TRACE_SUBSET (this);
const hb_hashmap_t<hb_tag_t, float>* user_axes_location = &c->plan->user_axes_location;
const hb_hashmap_t<hb_tag_t, Triple>* user_axes_location = &c->plan->user_axes_location;
if (keep_axis_value (axis_records, user_axes_location))
return_trace (c->serializer->embed (this));
@ -291,7 +289,7 @@ struct AxisValueFormat4
{ return axisValues.as_array (axisCount)[axis_index]; }
bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
const hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
const hb_hashmap_t<hb_tag_t, Triple> *user_axes_location) const
{
hb_array_t<const AxisValueRecord> axis_value_records = axisValues.as_array (axisCount);
@ -301,8 +299,7 @@ struct AxisValueFormat4
float axis_value = rec.get_value ();
hb_tag_t axis_tag = axis_records[axis_idx].get_axis_tag ();
if (user_axes_location->has (axis_tag) &&
fabsf(axis_value - user_axes_location->get (axis_tag)) > 0.001f)
if (axis_value_is_outside_axis_range (axis_tag, axis_value, user_axes_location))
return false;
}
@ -313,7 +310,7 @@ struct AxisValueFormat4
const hb_array_t<const StatAxisRecord> axis_records) const
{
TRACE_SUBSET (this);
const hb_hashmap_t<hb_tag_t, float> *user_axes_location = &c->plan->user_axes_location;
const hb_hashmap_t<hb_tag_t, Triple> *user_axes_location = &c->plan->user_axes_location;
if (!keep_axis_value (axis_records, user_axes_location))
return_trace (false);
@ -402,7 +399,7 @@ struct AxisValue
}
bool keep_axis_value (const hb_array_t<const StatAxisRecord> axis_records,
hb_hashmap_t<hb_tag_t, float> *user_axes_location) const
hb_hashmap_t<hb_tag_t, Triple> *user_axes_location) const
{
switch (u.format)
{
@ -451,8 +448,6 @@ struct AxisValueOffsetArray: UnsizedArrayOf<Offset16To<AxisValue>>
const hb_array_t<const StatAxisRecord> axis_records) const
{
TRACE_SUBSET (this);
auto *out = c->serializer->start_embed (this);
if (unlikely (!out)) return_trace (false);
auto axisValueOffsets = as_array (axisValueCount);
count = 0;
@ -517,7 +512,7 @@ struct STAT
return axis_value.get_value_name_id ();
}
void collect_name_ids (hb_hashmap_t<hb_tag_t, float> *user_axes_location,
void collect_name_ids (hb_hashmap_t<hb_tag_t, Triple> *user_axes_location,
hb_set_t *nameids_to_retain /* OUT */) const
{
if (!has_data ()) return;

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