/*************************************************************************/ /* text_server_fb.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* 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. */ /*************************************************************************/ #include "text_server_fb.h" #include "core/error/error_macros.h" #include "core/string/print_string.h" #include "core/string/ucaps.h" #include "modules/modules_enabled.gen.h" // For freetype, msdfgen. #ifdef MODULE_MSDFGEN_ENABLED #include "core/ShapeDistanceFinder.h" #include "core/contour-combiners.h" #include "core/edge-selectors.h" #include "msdfgen.h" #endif /*************************************************************************/ String TextServerFallback::interface_name = "Fallback"; uint32_t TextServerFallback::interface_features = 0; // Nothing is supported. bool TextServerFallback::has_feature(Feature p_feature) const { return (interface_features & p_feature) == p_feature; } String TextServerFallback::get_name() const { return interface_name; } uint32_t TextServerFallback::get_features() const { return interface_features; } void TextServerFallback::free(RID p_rid) { _THREAD_SAFE_METHOD_ if (font_owner.owns(p_rid)) { FontDataFallback *fd = font_owner.get_or_null(p_rid); font_owner.free(p_rid); memdelete(fd); } else if (shaped_owner.owns(p_rid)) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_rid); shaped_owner.free(p_rid); memdelete(sd); } } bool TextServerFallback::has(RID p_rid) { _THREAD_SAFE_METHOD_ return font_owner.owns(p_rid) || shaped_owner.owns(p_rid); } bool TextServerFallback::load_support_data(const String &p_filename) { return false; // No extra data used. } bool TextServerFallback::save_support_data(const String &p_filename) const { return false; // No extra data used. } bool TextServerFallback::is_locale_right_to_left(const String &p_locale) const { return false; // No RTL support. } void TextServerFallback::_insert_feature_sets() { // Registered OpenType variation tag. feature_sets.insert("italic", OT_TAG('i', 't', 'a', 'l')); feature_sets.insert("optical_size", OT_TAG('o', 'p', 's', 'z')); feature_sets.insert("slant", OT_TAG('s', 'l', 'n', 't')); feature_sets.insert("width", OT_TAG('w', 'd', 't', 'h')); feature_sets.insert("weight", OT_TAG('w', 'g', 'h', 't')); } _FORCE_INLINE_ int32_t ot_tag_from_string(const char *p_str, int p_len) { char tag[4]; uint32_t i; if (!p_str || !p_len || !*p_str) { return OT_TAG(0, 0, 0, 0); } if (p_len < 0 || p_len > 4) { p_len = 4; } for (i = 0; i < (uint32_t)p_len && p_str[i]; i++) { tag[i] = p_str[i]; } for (; i < 4; i++) { tag[i] = ' '; } return OT_TAG(tag[0], tag[1], tag[2], tag[3]); } int32_t TextServerFallback::name_to_tag(const String &p_name) const { if (feature_sets.has(p_name)) { return feature_sets[p_name]; } // No readable name, use tag string. return ot_tag_from_string(p_name.replace("custom_", "").ascii().get_data(), -1); } _FORCE_INLINE_ void ot_tag_to_string(int32_t p_tag, char *p_buf) { p_buf[0] = (char)(uint8_t)(p_tag >> 24); p_buf[1] = (char)(uint8_t)(p_tag >> 16); p_buf[2] = (char)(uint8_t)(p_tag >> 8); p_buf[3] = (char)(uint8_t)(p_tag >> 0); } String TextServerFallback::tag_to_name(int32_t p_tag) const { for (const KeyValue &E : feature_sets) { if (E.value == p_tag) { return E.key; } } // No readable name, use tag string. char name[5]; memset(name, 0, 5); ot_tag_to_string(p_tag, name); return String("custom_") + String(name); } /*************************************************************************/ /* Font Glyph Rendering */ /*************************************************************************/ _FORCE_INLINE_ TextServerFallback::FontTexturePosition TextServerFallback::find_texture_pos_for_glyph(FontDataForSizeFallback *p_data, int p_color_size, Image::Format p_image_format, int p_width, int p_height, bool p_msdf) const { FontTexturePosition ret; ret.index = -1; int mw = p_width; int mh = p_height; for (int i = 0; i < p_data->textures.size(); i++) { const FontTexture &ct = p_data->textures[i]; if (RenderingServer::get_singleton() != nullptr) { if (ct.texture->get_format() != p_image_format) { continue; } } if (mw > ct.texture_w || mh > ct.texture_h) { // Too big for this texture. continue; } if (ct.offsets.size() < ct.texture_w) { continue; } ret.y = 0x7FFFFFFF; ret.x = 0; for (int j = 0; j < ct.texture_w - mw; j++) { int max_y = 0; for (int k = j; k < j + mw; k++) { int y = ct.offsets[k]; if (y > max_y) { max_y = y; } } if (max_y < ret.y) { ret.y = max_y; ret.x = j; } } if (ret.y == 0x7FFFFFFF || ret.y + mh > ct.texture_h) { continue; // Fail, could not fit it here. } ret.index = i; break; } if (ret.index == -1) { // Could not find texture to fit, create one. ret.x = 0; ret.y = 0; int texsize = MAX(p_data->size.x * p_data->oversampling * 8, 256); if (mw > texsize) { texsize = mw; // Special case, adapt to it? } if (mh > texsize) { texsize = mh; // Special case, adapt to it? } texsize = next_power_of_2(texsize); if (p_msdf) { texsize = MIN(texsize, 2048); } else { texsize = MIN(texsize, 1024); } FontTexture tex; tex.texture_w = texsize; tex.texture_h = texsize; tex.format = p_image_format; tex.imgdata.resize(texsize * texsize * p_color_size); { // Zero texture. uint8_t *w = tex.imgdata.ptrw(); ERR_FAIL_COND_V(texsize * texsize * p_color_size > tex.imgdata.size(), ret); // Initialize the texture to all-white pixels to prevent artifacts when the // font is displayed at a non-default scale with filtering enabled. if (p_color_size == 2) { for (int i = 0; i < texsize * texsize * p_color_size; i += 2) { // FORMAT_LA8, BW font. w[i + 0] = 255; w[i + 1] = 0; } } else if (p_color_size == 4) { for (int i = 0; i < texsize * texsize * p_color_size; i += 4) { // FORMAT_RGBA8, Color font, Multichannel(+True) SDF. w[i + 0] = 255; w[i + 1] = 255; w[i + 2] = 255; w[i + 3] = 0; } } else { ERR_FAIL_V(ret); } } tex.offsets.resize(texsize); for (int i = 0; i < texsize; i++) { // Zero offsets. tex.offsets.write[i] = 0; } p_data->textures.push_back(tex); ret.index = p_data->textures.size() - 1; } return ret; } #ifdef MODULE_MSDFGEN_ENABLED struct MSContext { msdfgen::Point2 position; msdfgen::Shape *shape; msdfgen::Contour *contour; }; class DistancePixelConversion { double invRange; public: _FORCE_INLINE_ explicit DistancePixelConversion(double range) : invRange(1 / range) {} _FORCE_INLINE_ void operator()(float *pixels, const msdfgen::MultiAndTrueDistance &distance) const { pixels[0] = float(invRange * distance.r + .5); pixels[1] = float(invRange * distance.g + .5); pixels[2] = float(invRange * distance.b + .5); pixels[3] = float(invRange * distance.a + .5); } }; struct MSDFThreadData { msdfgen::Bitmap *output; msdfgen::Shape *shape; msdfgen::Projection *projection; DistancePixelConversion *distancePixelConversion; }; static msdfgen::Point2 ft_point2(const FT_Vector &vector) { return msdfgen::Point2(vector.x / 60.0f, vector.y / 60.0f); } static int ft_move_to(const FT_Vector *to, void *user) { MSContext *context = reinterpret_cast(user); if (!(context->contour && context->contour->edges.empty())) { context->contour = &context->shape->addContour(); } context->position = ft_point2(*to); return 0; } static int ft_line_to(const FT_Vector *to, void *user) { MSContext *context = reinterpret_cast(user); msdfgen::Point2 endpoint = ft_point2(*to); if (endpoint != context->position) { context->contour->addEdge(new msdfgen::LinearSegment(context->position, endpoint)); context->position = endpoint; } return 0; } static int ft_conic_to(const FT_Vector *control, const FT_Vector *to, void *user) { MSContext *context = reinterpret_cast(user); context->contour->addEdge(new msdfgen::QuadraticSegment(context->position, ft_point2(*control), ft_point2(*to))); context->position = ft_point2(*to); return 0; } static int ft_cubic_to(const FT_Vector *control1, const FT_Vector *control2, const FT_Vector *to, void *user) { MSContext *context = reinterpret_cast(user); context->contour->addEdge(new msdfgen::CubicSegment(context->position, ft_point2(*control1), ft_point2(*control2), ft_point2(*to))); context->position = ft_point2(*to); return 0; } void TextServerFallback::_generateMTSDF_threaded(uint32_t y, void *p_td) const { MSDFThreadData *td = (MSDFThreadData *)p_td; msdfgen::ShapeDistanceFinder> distanceFinder(*td->shape); int row = td->shape->inverseYAxis ? td->output->height() - y - 1 : y; for (int col = 0; col < td->output->width(); ++col) { int x = (y % 2) ? td->output->width() - col - 1 : col; msdfgen::Point2 p = td->projection->unproject(msdfgen::Point2(x + .5, y + .5)); msdfgen::MultiAndTrueDistance distance = distanceFinder.distance(p); td->distancePixelConversion->operator()(td->output->operator()(x, row), distance); } } _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_msdf(FontDataFallback *p_font_data, FontDataForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const { msdfgen::Shape shape; shape.contours.clear(); shape.inverseYAxis = false; MSContext context = {}; context.shape = &shape; FT_Outline_Funcs ft_functions; ft_functions.move_to = &ft_move_to; ft_functions.line_to = &ft_line_to; ft_functions.conic_to = &ft_conic_to; ft_functions.cubic_to = &ft_cubic_to; ft_functions.shift = 0; ft_functions.delta = 0; int error = FT_Outline_Decompose(outline, &ft_functions, &context); ERR_FAIL_COND_V_MSG(error, FontGlyph(), "FreeType: Outline decomposition error: '" + String(FT_Error_String(error)) + "'."); if (!shape.contours.empty() && shape.contours.back().edges.empty()) { shape.contours.pop_back(); } if (FT_Outline_Get_Orientation(outline) == 1) { for (int i = 0; i < (int)shape.contours.size(); ++i) { shape.contours[i].reverse(); } } shape.inverseYAxis = true; shape.normalize(); msdfgen::Shape::Bounds bounds = shape.getBounds(p_pixel_range); FontGlyph chr; chr.found = true; chr.advance = advance; if (shape.validate() && shape.contours.size() > 0) { int w = (bounds.r - bounds.l); int h = (bounds.t - bounds.b); int mw = w + p_rect_margin * 2; int mh = h + p_rect_margin * 2; ERR_FAIL_COND_V(mw > 1024, FontGlyph()); ERR_FAIL_COND_V(mh > 1024, FontGlyph()); FontTexturePosition tex_pos = find_texture_pos_for_glyph(p_data, 4, Image::FORMAT_RGBA8, mw, mh, true); ERR_FAIL_COND_V(tex_pos.index < 0, FontGlyph()); FontTexture &tex = p_data->textures.write[tex_pos.index]; edgeColoringSimple(shape, 3.0); // Max. angle. msdfgen::Bitmap image(w, h); // Texture size. DistancePixelConversion distancePixelConversion(p_pixel_range); msdfgen::Projection projection(msdfgen::Vector2(1.0, 1.0), msdfgen::Vector2(-bounds.l, -bounds.b)); msdfgen::MSDFGeneratorConfig config(true, msdfgen::ErrorCorrectionConfig()); MSDFThreadData td; td.output = ℑ td.shape = &shape; td.projection = &projection; td.distancePixelConversion = &distancePixelConversion; if (p_font_data->work_pool.get_thread_count() == 0) { p_font_data->work_pool.init(); } p_font_data->work_pool.do_work(h, this, &TextServerFallback::_generateMTSDF_threaded, &td); msdfgen::msdfErrorCorrection(image, shape, projection, p_pixel_range, config); { uint8_t *wr = tex.imgdata.ptrw(); for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { int ofs = ((i + tex_pos.y + p_rect_margin) * tex.texture_w + j + tex_pos.x + p_rect_margin) * 4; ERR_FAIL_COND_V(ofs >= tex.imgdata.size(), FontGlyph()); wr[ofs + 0] = (uint8_t)(CLAMP(image(j, i)[0] * 256.f, 0.f, 255.f)); wr[ofs + 1] = (uint8_t)(CLAMP(image(j, i)[1] * 256.f, 0.f, 255.f)); wr[ofs + 2] = (uint8_t)(CLAMP(image(j, i)[2] * 256.f, 0.f, 255.f)); wr[ofs + 3] = (uint8_t)(CLAMP(image(j, i)[3] * 256.f, 0.f, 255.f)); } } } // Blit to image and texture. { if (RenderingServer::get_singleton() != nullptr) { Ref img = memnew(Image(tex.texture_w, tex.texture_h, 0, Image::FORMAT_RGBA8, tex.imgdata)); if (tex.texture.is_null()) { tex.texture.instantiate(); tex.texture->create_from_image(img); } else { tex.texture->update(img); } } } // Update height array. for (int k = tex_pos.x; k < tex_pos.x + mw; k++) { tex.offsets.write[k] = tex_pos.y + mh; } chr.texture_idx = tex_pos.index; chr.uv_rect = Rect2(tex_pos.x + p_rect_margin, tex_pos.y + p_rect_margin, w, h); chr.rect.position = Vector2(bounds.l, -bounds.t); chr.rect.size = chr.uv_rect.size; } return chr; } #endif #ifdef MODULE_FREETYPE_ENABLED _FORCE_INLINE_ TextServerFallback::FontGlyph TextServerFallback::rasterize_bitmap(FontDataForSizeFallback *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance) const { int w = bitmap.width; int h = bitmap.rows; int mw = w + p_rect_margin * 2; int mh = h + p_rect_margin * 2; ERR_FAIL_COND_V(mw > 1024, FontGlyph()); ERR_FAIL_COND_V(mh > 1024, FontGlyph()); int color_size = bitmap.pixel_mode == FT_PIXEL_MODE_BGRA ? 4 : 2; Image::Format require_format = color_size == 4 ? Image::FORMAT_RGBA8 : Image::FORMAT_LA8; FontTexturePosition tex_pos = find_texture_pos_for_glyph(p_data, color_size, require_format, mw, mh, false); ERR_FAIL_COND_V(tex_pos.index < 0, FontGlyph()); // Fit character in char texture. FontTexture &tex = p_data->textures.write[tex_pos.index]; { uint8_t *wr = tex.imgdata.ptrw(); for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { int ofs = ((i + tex_pos.y + p_rect_margin) * tex.texture_w + j + tex_pos.x + p_rect_margin) * color_size; ERR_FAIL_COND_V(ofs >= tex.imgdata.size(), FontGlyph()); switch (bitmap.pixel_mode) { case FT_PIXEL_MODE_MONO: { int byte = i * bitmap.pitch + (j >> 3); int bit = 1 << (7 - (j % 8)); wr[ofs + 0] = 255; // grayscale as 1 wr[ofs + 1] = (bitmap.buffer[byte] & bit) ? 255 : 0; } break; case FT_PIXEL_MODE_GRAY: wr[ofs + 0] = 255; // grayscale as 1 wr[ofs + 1] = bitmap.buffer[i * bitmap.pitch + j]; break; case FT_PIXEL_MODE_BGRA: { int ofs_color = i * bitmap.pitch + (j << 2); wr[ofs + 2] = bitmap.buffer[ofs_color + 0]; wr[ofs + 1] = bitmap.buffer[ofs_color + 1]; wr[ofs + 0] = bitmap.buffer[ofs_color + 2]; wr[ofs + 3] = bitmap.buffer[ofs_color + 3]; } break; default: ERR_FAIL_V_MSG(FontGlyph(), "Font uses unsupported pixel format: " + itos(bitmap.pixel_mode) + "."); break; } } } } // Blit to image and texture. { if (RenderingServer::get_singleton() != nullptr) { Ref img = memnew(Image(tex.texture_w, tex.texture_h, 0, require_format, tex.imgdata)); if (tex.texture.is_null()) { tex.texture.instantiate(); tex.texture->create_from_image(img); } else { tex.texture->update(img); } } } // Update height array. for (int k = tex_pos.x; k < tex_pos.x + mw; k++) { tex.offsets.write[k] = tex_pos.y + mh; } FontGlyph chr; chr.advance = advance * p_data->scale / p_data->oversampling; chr.texture_idx = tex_pos.index; chr.found = true; chr.uv_rect = Rect2(tex_pos.x + p_rect_margin, tex_pos.y + p_rect_margin, w, h); chr.rect.position = Vector2(xofs, -yofs) * p_data->scale / p_data->oversampling; chr.rect.size = chr.uv_rect.size * p_data->scale / p_data->oversampling; return chr; } #endif /*************************************************************************/ /* Font Cache */ /*************************************************************************/ _FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontDataFallback *p_font_data, const Vector2i &p_size, int32_t p_glyph) const { ERR_FAIL_COND_V(!_ensure_cache_for_size(p_font_data, p_size), false); int32_t glyph_index = p_glyph & 0xFFFFFF; // Remove subpixel shifts. FontDataForSizeFallback *fd = p_font_data->cache[p_size]; if (fd->glyph_map.has(p_glyph)) { return fd->glyph_map[p_glyph].found; } if (glyph_index == 0) { // Non graphical or invalid glyph, do not render. fd->glyph_map[p_glyph] = FontGlyph(); return true; } #ifdef MODULE_FREETYPE_ENABLED FontGlyph gl; if (fd->face) { FT_Int32 flags = FT_LOAD_DEFAULT; bool outline = p_size.y > 0; switch (p_font_data->hinting) { case TextServer::HINTING_NONE: flags |= FT_LOAD_NO_HINTING; break; case TextServer::HINTING_LIGHT: flags |= FT_LOAD_TARGET_LIGHT; break; default: flags |= FT_LOAD_TARGET_NORMAL; break; } if (p_font_data->force_autohinter) { flags |= FT_LOAD_FORCE_AUTOHINT; } if (outline) { flags |= FT_LOAD_NO_BITMAP; } else if (FT_HAS_COLOR(fd->face)) { flags |= FT_LOAD_COLOR; } glyph_index = FT_Get_Char_Index(fd->face, glyph_index); FT_Fixed v, h; FT_Get_Advance(fd->face, glyph_index, flags, &h); FT_Get_Advance(fd->face, glyph_index, flags | FT_LOAD_VERTICAL_LAYOUT, &v); int error = FT_Load_Glyph(fd->face, glyph_index, flags); if (error) { fd->glyph_map[p_glyph] = FontGlyph(); return false; } if (!p_font_data->msdf) { if ((p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && p_size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { FT_Pos xshift = (int)((p_glyph >> 27) & 3) << 4; FT_Outline_Translate(&fd->face->glyph->outline, xshift, 0); } else if ((p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (p_font_data->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && p_size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { FT_Pos xshift = (int)((p_glyph >> 27) & 3) << 5; FT_Outline_Translate(&fd->face->glyph->outline, xshift, 0); } } if (p_font_data->embolden != 0.f) { FT_Pos strength = p_font_data->embolden * p_size.x * 4; // 26.6 fractional units (1 / 64). FT_Outline_Embolden(&fd->face->glyph->outline, strength); } if (p_font_data->transform != Transform2D()) { FT_Matrix mat = { FT_Fixed(p_font_data->transform[0][0] * 65536), FT_Fixed(p_font_data->transform[0][1] * 65536), FT_Fixed(p_font_data->transform[1][0] * 65536), FT_Fixed(p_font_data->transform[1][1] * 65536) }; // 16.16 fractional units (1 / 65536). FT_Outline_Transform(&fd->face->glyph->outline, &mat); } if (!outline) { if (!p_font_data->msdf) { error = FT_Render_Glyph(fd->face->glyph, p_font_data->antialiased ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO); } FT_GlyphSlot slot = fd->face->glyph; if (!error) { if (p_font_data->msdf) { #ifdef MODULE_MSDFGEN_ENABLED gl = rasterize_msdf(p_font_data, fd, p_font_data->msdf_range, rect_range, &slot->outline, Vector2((h + (1 << 9)) >> 10, (v + (1 << 9)) >> 10) / 64.0); #else fd->glyph_map[p_glyph] = FontGlyph(); ERR_FAIL_V_MSG(false, "Compiled without MSDFGEN support!"); #endif } else { gl = rasterize_bitmap(fd, rect_range, slot->bitmap, slot->bitmap_top, slot->bitmap_left, Vector2((h + (1 << 9)) >> 10, (v + (1 << 9)) >> 10) / 64.0); } } } else { FT_Stroker stroker; if (FT_Stroker_New(library, &stroker) != 0) { fd->glyph_map[p_glyph] = FontGlyph(); ERR_FAIL_V_MSG(false, "FreeType: Failed to load glyph stroker."); } FT_Stroker_Set(stroker, (int)(fd->size.y * fd->oversampling * 16.0), FT_STROKER_LINECAP_BUTT, FT_STROKER_LINEJOIN_ROUND, 0); FT_Glyph glyph; FT_BitmapGlyph glyph_bitmap; if (FT_Get_Glyph(fd->face->glyph, &glyph) != 0) { goto cleanup_stroker; } if (FT_Glyph_Stroke(&glyph, stroker, 1) != 0) { goto cleanup_glyph; } if (FT_Glyph_To_Bitmap(&glyph, p_font_data->antialiased ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO, nullptr, 1) != 0) { goto cleanup_glyph; } glyph_bitmap = (FT_BitmapGlyph)glyph; gl = rasterize_bitmap(fd, rect_range, glyph_bitmap->bitmap, glyph_bitmap->top, glyph_bitmap->left, Vector2()); cleanup_glyph: FT_Done_Glyph(glyph); cleanup_stroker: FT_Stroker_Done(stroker); } fd->glyph_map[p_glyph] = gl; return gl.found; } #endif fd->glyph_map[p_glyph] = FontGlyph(); return false; } _FORCE_INLINE_ bool TextServerFallback::_ensure_cache_for_size(FontDataFallback *p_font_data, const Vector2i &p_size) const { ERR_FAIL_COND_V(p_size.x <= 0, false); if (p_font_data->cache.has(p_size)) { return true; } FontDataForSizeFallback *fd = memnew(FontDataForSizeFallback); fd->size = p_size; if (p_font_data->data_ptr && (p_font_data->data_size > 0)) { // Init dynamic font. #ifdef MODULE_FREETYPE_ENABLED int error = 0; if (!library) { error = FT_Init_FreeType(&library); ERR_FAIL_COND_V_MSG(error != 0, false, "FreeType: Error initializing library: '" + String(FT_Error_String(error)) + "'."); } memset(&fd->stream, 0, sizeof(FT_StreamRec)); fd->stream.base = (unsigned char *)p_font_data->data_ptr; fd->stream.size = p_font_data->data_size; fd->stream.pos = 0; FT_Open_Args fargs; memset(&fargs, 0, sizeof(FT_Open_Args)); fargs.memory_base = (unsigned char *)p_font_data->data_ptr; fargs.memory_size = p_font_data->data_size; fargs.flags = FT_OPEN_MEMORY; fargs.stream = &fd->stream; error = FT_Open_Face(library, &fargs, 0, &fd->face); if (error) { FT_Done_Face(fd->face); fd->face = nullptr; ERR_FAIL_V_MSG(false, "FreeType: Error loading font: '" + String(FT_Error_String(error)) + "'."); } if (p_font_data->msdf) { fd->oversampling = 1.0f; fd->size.x = p_font_data->msdf_source_size; } else if (p_font_data->oversampling <= 0.0f) { fd->oversampling = font_get_global_oversampling(); } else { fd->oversampling = p_font_data->oversampling; } if (FT_HAS_COLOR(fd->face) && fd->face->num_fixed_sizes > 0) { int best_match = 0; int diff = ABS(fd->size.x - ((int64_t)fd->face->available_sizes[0].width)); fd->scale = float(fd->size.x * fd->oversampling) / fd->face->available_sizes[0].width; for (int i = 1; i < fd->face->num_fixed_sizes; i++) { int ndiff = ABS(fd->size.x - ((int64_t)fd->face->available_sizes[i].width)); if (ndiff < diff) { best_match = i; diff = ndiff; fd->scale = float(fd->size.x * fd->oversampling) / fd->face->available_sizes[i].width; } } FT_Select_Size(fd->face, best_match); } else { FT_Set_Pixel_Sizes(fd->face, 0, Math::round(fd->size.x * fd->oversampling)); fd->scale = ((float)fd->size.x * fd->oversampling) / (float)fd->face->size->metrics.y_ppem; } fd->ascent = (fd->face->size->metrics.ascender / 64.0) / fd->oversampling * fd->scale; fd->descent = (-fd->face->size->metrics.descender / 64.0) / fd->oversampling * fd->scale; fd->underline_position = (-FT_MulFix(fd->face->underline_position, fd->face->size->metrics.y_scale) / 64.0) / fd->oversampling * fd->scale; fd->underline_thickness = (FT_MulFix(fd->face->underline_thickness, fd->face->size->metrics.y_scale) / 64.0) / fd->oversampling * fd->scale; if (!p_font_data->face_init) { // Get style flags and name. if (fd->face->family_name != nullptr) { p_font_data->font_name = String::utf8((const char *)fd->face->family_name); } if (fd->face->style_name != nullptr) { p_font_data->style_name = String::utf8((const char *)fd->face->style_name); } p_font_data->style_flags = 0; if (fd->face->style_flags & FT_STYLE_FLAG_BOLD) { p_font_data->style_flags |= FONT_BOLD; } if (fd->face->style_flags & FT_STYLE_FLAG_ITALIC) { p_font_data->style_flags |= FONT_ITALIC; } if (fd->face->face_flags & FT_FACE_FLAG_FIXED_WIDTH) { p_font_data->style_flags |= FONT_FIXED_WIDTH; } // Read OpenType variations. p_font_data->supported_varaitions.clear(); if (fd->face->face_flags & FT_FACE_FLAG_MULTIPLE_MASTERS) { FT_MM_Var *amaster; FT_Get_MM_Var(fd->face, &amaster); for (FT_UInt i = 0; i < amaster->num_axis; i++) { p_font_data->supported_varaitions[(int32_t)amaster->axis[i].tag] = Vector3i(amaster->axis[i].minimum / 65536, amaster->axis[i].maximum / 65536, amaster->axis[i].def / 65536); } FT_Done_MM_Var(library, amaster); } p_font_data->face_init = true; } // Write variations. if (fd->face->face_flags & FT_FACE_FLAG_MULTIPLE_MASTERS) { FT_MM_Var *amaster; FT_Get_MM_Var(fd->face, &amaster); Vector coords; coords.resize(amaster->num_axis); FT_Get_Var_Design_Coordinates(fd->face, coords.size(), coords.ptrw()); for (FT_UInt i = 0; i < amaster->num_axis; i++) { // Reset to default. int32_t var_tag = amaster->axis[i].tag; float var_value = (double)amaster->axis[i].def / 65536.f; coords.write[i] = amaster->axis[i].def; if (p_font_data->variation_coordinates.has(var_tag)) { var_value = p_font_data->variation_coordinates[var_tag]; coords.write[i] = CLAMP(var_value * 65536.f, amaster->axis[i].minimum, amaster->axis[i].maximum); } if (p_font_data->variation_coordinates.has(tag_to_name(var_tag))) { var_value = p_font_data->variation_coordinates[tag_to_name(var_tag)]; coords.write[i] = CLAMP(var_value * 65536.f, amaster->axis[i].minimum, amaster->axis[i].maximum); } } FT_Set_Var_Design_Coordinates(fd->face, coords.size(), coords.ptrw()); FT_Done_MM_Var(library, amaster); } #else ERR_FAIL_V_MSG(false, "FreeType: Can't load dynamic font, engine is compiled without FreeType support!"); #endif } p_font_data->cache[p_size] = fd; return true; } _FORCE_INLINE_ void TextServerFallback::_font_clear_cache(FontDataFallback *p_font_data) { for (const KeyValue &E : p_font_data->cache) { memdelete(E.value); } p_font_data->cache.clear(); p_font_data->face_init = false; p_font_data->supported_varaitions.clear(); } RID TextServerFallback::create_font() { FontDataFallback *fd = memnew(FontDataFallback); return font_owner.make_rid(fd); } void TextServerFallback::font_set_data(RID p_font_rid, const PackedByteArray &p_data) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); _font_clear_cache(fd); fd->data = p_data; fd->data_ptr = fd->data.ptr(); fd->data_size = fd->data.size(); } void TextServerFallback::font_set_data_ptr(RID p_font_rid, const uint8_t *p_data_ptr, size_t p_data_size) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); _font_clear_cache(fd); fd->data.clear(); fd->data_ptr = p_data_ptr; fd->data_size = p_data_size; } void TextServerFallback::font_set_style(RID p_font_rid, uint32_t /*FontStyle*/ p_style) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->style_flags = p_style; } uint32_t /*FontStyle*/ TextServerFallback::font_get_style(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0); return fd->style_flags; } void TextServerFallback::font_set_style_name(RID p_font_rid, const String &p_name) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->style_name = p_name; } String TextServerFallback::font_get_style_name(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, String()); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), String()); return fd->style_name; } void TextServerFallback::font_set_name(RID p_font_rid, const String &p_name) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->font_name = p_name; } String TextServerFallback::font_get_name(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, String()); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), String()); return fd->font_name; } void TextServerFallback::font_set_antialiased(RID p_font_rid, bool p_antialiased) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->antialiased != p_antialiased) { _font_clear_cache(fd); fd->antialiased = p_antialiased; } } bool TextServerFallback::font_is_antialiased(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); return fd->antialiased; } void TextServerFallback::font_set_multichannel_signed_distance_field(RID p_font_rid, bool p_msdf) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->msdf != p_msdf) { _font_clear_cache(fd); fd->msdf = p_msdf; } } bool TextServerFallback::font_is_multichannel_signed_distance_field(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); return fd->msdf; } void TextServerFallback::font_set_msdf_pixel_range(RID p_font_rid, int p_msdf_pixel_range) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->msdf_range != p_msdf_pixel_range) { _font_clear_cache(fd); fd->msdf_range = p_msdf_pixel_range; } } int TextServerFallback::font_get_msdf_pixel_range(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); return fd->msdf_range; } void TextServerFallback::font_set_msdf_size(RID p_font_rid, int p_msdf_size) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->msdf_source_size != p_msdf_size) { _font_clear_cache(fd); fd->msdf_source_size = p_msdf_size; } } int TextServerFallback::font_get_msdf_size(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); return fd->msdf_source_size; } void TextServerFallback::font_set_fixed_size(RID p_font_rid, int p_fixed_size) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->fixed_size != p_fixed_size) { fd->fixed_size = p_fixed_size; } } int TextServerFallback::font_get_fixed_size(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); return fd->fixed_size; } void TextServerFallback::font_set_force_autohinter(RID p_font_rid, bool p_force_autohinter) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->force_autohinter != p_force_autohinter) { _font_clear_cache(fd); fd->force_autohinter = p_force_autohinter; } } bool TextServerFallback::font_is_force_autohinter(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); return fd->force_autohinter; } void TextServerFallback::font_set_hinting(RID p_font_rid, TextServer::Hinting p_hinting) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->hinting != p_hinting) { _font_clear_cache(fd); fd->hinting = p_hinting; } } TextServer::Hinting TextServerFallback::font_get_hinting(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, HINTING_NONE); MutexLock lock(fd->mutex); return fd->hinting; } void TextServerFallback::font_set_subpixel_positioning(RID p_font_rid, TextServer::SubpixelPositioning p_subpixel) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->subpixel_positioning != p_subpixel) { fd->subpixel_positioning = p_subpixel; } } TextServer::SubpixelPositioning TextServerFallback::font_get_subpixel_positioning(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, SUBPIXEL_POSITIONING_DISABLED); MutexLock lock(fd->mutex); return fd->subpixel_positioning; } void TextServerFallback::font_set_embolden(RID p_font_rid, float p_strength) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->embolden != p_strength) { _font_clear_cache(fd); fd->embolden = p_strength; } } float TextServerFallback::font_get_embolden(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0.f); MutexLock lock(fd->mutex); return fd->embolden; } void TextServerFallback::font_set_transform(RID p_font_rid, Transform2D p_transform) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->transform != p_transform) { _font_clear_cache(fd); fd->transform = p_transform; } } Transform2D TextServerFallback::font_get_transform(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Transform2D()); MutexLock lock(fd->mutex); return fd->transform; } void TextServerFallback::font_set_variation_coordinates(RID p_font_rid, const Dictionary &p_variation_coordinates) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->variation_coordinates != p_variation_coordinates) { _font_clear_cache(fd); fd->variation_coordinates = p_variation_coordinates; } } Dictionary TextServerFallback::font_get_variation_coordinates(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Dictionary()); MutexLock lock(fd->mutex); return fd->variation_coordinates; } void TextServerFallback::font_set_oversampling(RID p_font_rid, float p_oversampling) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->oversampling != p_oversampling) { _font_clear_cache(fd); fd->oversampling = p_oversampling; } } float TextServerFallback::font_get_oversampling(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0.f); MutexLock lock(fd->mutex); return fd->oversampling; } Array TextServerFallback::font_get_size_cache_list(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Array()); MutexLock lock(fd->mutex); Array ret; for (const KeyValue &E : fd->cache) { ret.push_back(E.key); } return ret; } void TextServerFallback::font_clear_size_cache(RID p_font_rid) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); for (const KeyValue &E : fd->cache) { memdelete(E.value); } fd->cache.clear(); } void TextServerFallback::font_remove_size_cache(RID p_font_rid, const Vector2i &p_size) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); if (fd->cache.has(p_size)) { memdelete(fd->cache[p_size]); fd->cache.erase(p_size); } } void TextServerFallback::font_set_ascent(RID p_font_rid, int p_size, float p_ascent) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->ascent = p_ascent; } float TextServerFallback::font_get_ascent(RID p_font_rid, int p_size) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0.f); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0.f); if (fd->msdf) { return fd->cache[size]->ascent * (float)p_size / (float)fd->msdf_source_size; } else { return fd->cache[size]->ascent; } } void TextServerFallback::font_set_descent(RID p_font_rid, int p_size, float p_descent) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->descent = p_descent; } float TextServerFallback::font_get_descent(RID p_font_rid, int p_size) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0.f); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0.f); if (fd->msdf) { return fd->cache[size]->descent * (float)p_size / (float)fd->msdf_source_size; } else { return fd->cache[size]->descent; } } void TextServerFallback::font_set_underline_position(RID p_font_rid, int p_size, float p_underline_position) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->underline_position = p_underline_position; } float TextServerFallback::font_get_underline_position(RID p_font_rid, int p_size) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0.f); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0.f); if (fd->msdf) { return fd->cache[size]->underline_position * (float)p_size / (float)fd->msdf_source_size; } else { return fd->cache[size]->underline_position; } } void TextServerFallback::font_set_underline_thickness(RID p_font_rid, int p_size, float p_underline_thickness) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->underline_thickness = p_underline_thickness; } float TextServerFallback::font_get_underline_thickness(RID p_font_rid, int p_size) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0.f); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0.f); if (fd->msdf) { return fd->cache[size]->underline_thickness * (float)p_size / (float)fd->msdf_source_size; } else { return fd->cache[size]->underline_thickness; } } void TextServerFallback::font_set_scale(RID p_font_rid, int p_size, float p_scale) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->scale = p_scale; } float TextServerFallback::font_get_scale(RID p_font_rid, int p_size) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0.f); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0.f); if (fd->msdf) { return fd->cache[size]->scale * (float)p_size / (float)fd->msdf_source_size; } else { return fd->cache[size]->scale / fd->cache[size]->oversampling; } } void TextServerFallback::font_set_spacing(RID p_font_rid, int p_size, TextServer::SpacingType p_spacing, int p_value) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); switch (p_spacing) { case TextServer::SPACING_GLYPH: { fd->cache[size]->spacing_glyph = p_value; } break; case TextServer::SPACING_SPACE: { fd->cache[size]->spacing_space = p_value; } break; default: { ERR_FAIL_MSG("Invalid spacing type: " + itos(p_spacing)); } break; } } int TextServerFallback::font_get_spacing(RID p_font_rid, int p_size, TextServer::SpacingType p_spacing) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0); switch (p_spacing) { case TextServer::SPACING_GLYPH: { if (fd->msdf) { return fd->cache[size]->spacing_glyph * (float)p_size / (float)fd->msdf_source_size; } else { return fd->cache[size]->spacing_glyph; } } break; case TextServer::SPACING_SPACE: { if (fd->msdf) { return fd->cache[size]->spacing_space * (float)p_size / (float)fd->msdf_source_size; } else { return fd->cache[size]->spacing_space; } } break; default: { ERR_FAIL_V_MSG(0, "Invalid spacing type: " + itos(p_spacing)); } break; } return 0; } int TextServerFallback::font_get_texture_count(RID p_font_rid, const Vector2i &p_size) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, 0); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0); return fd->cache[size]->textures.size(); } void TextServerFallback::font_clear_textures(RID p_font_rid, const Vector2i &p_size) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->textures.clear(); } void TextServerFallback::font_remove_texture(RID p_font_rid, const Vector2i &p_size, int p_texture_index) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); ERR_FAIL_INDEX(p_texture_index, fd->cache[size]->textures.size()); fd->cache[size]->textures.remove_at(p_texture_index); } void TextServerFallback::font_set_texture_image(RID p_font_rid, const Vector2i &p_size, int p_texture_index, const Ref &p_image) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); ERR_FAIL_COND(p_image.is_null()); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); ERR_FAIL_COND(p_texture_index < 0); if (p_texture_index >= fd->cache[size]->textures.size()) { fd->cache[size]->textures.resize(p_texture_index + 1); } FontTexture &tex = fd->cache[size]->textures.write[p_texture_index]; tex.imgdata = p_image->get_data(); tex.texture_w = p_image->get_width(); tex.texture_h = p_image->get_height(); tex.format = p_image->get_format(); Ref img = memnew(Image(tex.texture_w, tex.texture_h, 0, tex.format, tex.imgdata)); tex.texture = Ref(); tex.texture.instantiate(); tex.texture->create_from_image(img); } Ref TextServerFallback::font_get_texture_image(RID p_font_rid, const Vector2i &p_size, int p_texture_index) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Ref()); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Ref()); ERR_FAIL_INDEX_V(p_texture_index, fd->cache[size]->textures.size(), Ref()); const FontTexture &tex = fd->cache[size]->textures.write[p_texture_index]; Ref img = memnew(Image(tex.texture_w, tex.texture_h, 0, tex.format, tex.imgdata)); return img; } void TextServerFallback::font_set_texture_offsets(RID p_font_rid, const Vector2i &p_size, int p_texture_index, const PackedInt32Array &p_offset) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); ERR_FAIL_COND(p_texture_index < 0); if (p_texture_index >= fd->cache[size]->textures.size()) { fd->cache[size]->textures.resize(p_texture_index + 1); } FontTexture &tex = fd->cache[size]->textures.write[p_texture_index]; tex.offsets = p_offset; } PackedInt32Array TextServerFallback::font_get_texture_offsets(RID p_font_rid, const Vector2i &p_size, int p_texture_index) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, PackedInt32Array()); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), PackedInt32Array()); ERR_FAIL_INDEX_V(p_texture_index, fd->cache[size]->textures.size(), PackedInt32Array()); const FontTexture &tex = fd->cache[size]->textures.write[p_texture_index]; return tex.offsets; } Array TextServerFallback::font_get_glyph_list(RID p_font_rid, const Vector2i &p_size) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Array()); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Array()); Array ret; const HashMap &gl = fd->cache[size]->glyph_map; const int32_t *E = nullptr; while ((E = gl.next(E))) { ret.push_back(*E); } return ret; } void TextServerFallback::font_clear_glyphs(RID p_font_rid, const Vector2i &p_size) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->glyph_map.clear(); } void TextServerFallback::font_remove_glyph(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->glyph_map.erase(p_glyph); } Vector2 TextServerFallback::font_get_glyph_advance(RID p_font_rid, int p_size, int32_t p_glyph) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Vector2()); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Vector2()); if (!_ensure_glyph(fd, size, p_glyph)) { return Vector2(); // Invalid or non graphicl glyph, do not display errors. } const HashMap &gl = fd->cache[size]->glyph_map; Vector2 ea; if (fd->embolden != 0.0) { ea.x = fd->embolden * float(size.x) / 64.0; } if (fd->msdf) { return (gl[p_glyph].advance + ea) * (float)p_size / (float)fd->msdf_source_size; } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_DISABLED) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x > SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { return (gl[p_glyph].advance + ea).round(); } else { return gl[p_glyph].advance + ea; } } void TextServerFallback::font_set_glyph_advance(RID p_font_rid, int p_size, int32_t p_glyph, const Vector2 &p_advance) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); HashMap &gl = fd->cache[size]->glyph_map; gl[p_glyph].advance = p_advance; gl[p_glyph].found = true; } Vector2 TextServerFallback::font_get_glyph_offset(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Vector2()); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Vector2()); if (!_ensure_glyph(fd, size, p_glyph)) { return Vector2(); // Invalid or non graphicl glyph, do not display errors. } const HashMap &gl = fd->cache[size]->glyph_map; if (fd->msdf) { return gl[p_glyph].rect.position * (float)p_size.x / (float)fd->msdf_source_size; } else { return gl[p_glyph].rect.position; } } void TextServerFallback::font_set_glyph_offset(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_offset) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); HashMap &gl = fd->cache[size]->glyph_map; gl[p_glyph].rect.position = p_offset; gl[p_glyph].found = true; } Vector2 TextServerFallback::font_get_glyph_size(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Vector2()); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Vector2()); if (!_ensure_glyph(fd, size, p_glyph)) { return Vector2(); // Invalid or non graphicl glyph, do not display errors. } const HashMap &gl = fd->cache[size]->glyph_map; if (fd->msdf) { return gl[p_glyph].rect.size * (float)p_size.x / (float)fd->msdf_source_size; } else { return gl[p_glyph].rect.size; } } void TextServerFallback::font_set_glyph_size(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_gl_size) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); HashMap &gl = fd->cache[size]->glyph_map; gl[p_glyph].rect.size = p_gl_size; gl[p_glyph].found = true; } Rect2 TextServerFallback::font_get_glyph_uv_rect(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Rect2()); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Rect2()); if (!_ensure_glyph(fd, size, p_glyph)) { return Rect2(); // Invalid or non graphicl glyph, do not display errors. } const HashMap &gl = fd->cache[size]->glyph_map; return gl[p_glyph].uv_rect; } void TextServerFallback::font_set_glyph_uv_rect(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Rect2 &p_uv_rect) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); HashMap &gl = fd->cache[size]->glyph_map; gl[p_glyph].uv_rect = p_uv_rect; gl[p_glyph].found = true; } int TextServerFallback::font_get_glyph_texture_idx(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, -1); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), -1); if (!_ensure_glyph(fd, size, p_glyph)) { return -1; // Invalid or non graphicl glyph, do not display errors. } const HashMap &gl = fd->cache[size]->glyph_map; return gl[p_glyph].texture_idx; } void TextServerFallback::font_set_glyph_texture_idx(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, int p_texture_idx) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); HashMap &gl = fd->cache[size]->glyph_map; gl[p_glyph].texture_idx = p_texture_idx; gl[p_glyph].found = true; } Dictionary TextServerFallback::font_get_glyph_contours(RID p_font_rid, int p_size, int32_t p_index) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Dictionary()); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Dictionary()); Vector points; Vector contours; bool orientation; #ifdef MODULE_FREETYPE_ENABLED int error = FT_Load_Glyph(fd->cache[size]->face, FT_Get_Char_Index(fd->cache[size]->face, p_index), FT_LOAD_NO_BITMAP | (fd->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0)); ERR_FAIL_COND_V(error, Dictionary()); points.clear(); contours.clear(); float h = fd->cache[size]->ascent; float scale = (1.0 / 64.0) / fd->cache[size]->oversampling * fd->cache[size]->scale; if (fd->msdf) { scale = scale * (float)p_size / (float)fd->msdf_source_size; } for (short i = 0; i < fd->cache[size]->face->glyph->outline.n_points; i++) { points.push_back(Vector3(fd->cache[size]->face->glyph->outline.points[i].x * scale, h - fd->cache[size]->face->glyph->outline.points[i].y * scale, FT_CURVE_TAG(fd->cache[size]->face->glyph->outline.tags[i]))); } for (short i = 0; i < fd->cache[size]->face->glyph->outline.n_contours; i++) { contours.push_back(fd->cache[size]->face->glyph->outline.contours[i]); } orientation = (FT_Outline_Get_Orientation(&fd->cache[size]->face->glyph->outline) == FT_ORIENTATION_FILL_RIGHT); #else return Dictionary(); #endif Dictionary out; out["points"] = points; out["contours"] = contours; out["orientation"] = orientation; return out; } Array TextServerFallback::font_get_kerning_list(RID p_font_rid, int p_size) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Array()); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Array()); Array ret; for (const KeyValue &E : fd->cache[size]->kerning_map) { ret.push_back(E.key); } return ret; } void TextServerFallback::font_clear_kerning_map(RID p_font_rid, int p_size) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->kerning_map.clear(); } void TextServerFallback::font_remove_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->kerning_map.erase(p_glyph_pair); } void TextServerFallback::font_set_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->cache[size]->kerning_map[p_glyph_pair] = p_kerning; } Vector2 TextServerFallback::font_get_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Vector2()); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Vector2()); const Map &kern = fd->cache[size]->kerning_map; if (kern.has(p_glyph_pair)) { if (fd->msdf) { return kern[p_glyph_pair] * (float)p_size / (float)fd->msdf_source_size; } else { return kern[p_glyph_pair]; } } else { #ifdef MODULE_FREETYPE_ENABLED if (fd->cache[size]->face) { FT_Vector delta; int32_t glyph_a = FT_Get_Char_Index(fd->cache[size]->face, p_glyph_pair.x); int32_t glyph_b = FT_Get_Char_Index(fd->cache[size]->face, p_glyph_pair.y); FT_Get_Kerning(fd->cache[size]->face, glyph_a, glyph_b, FT_KERNING_DEFAULT, &delta); if (fd->msdf) { return Vector2(delta.x, delta.y) * (float)p_size / (float)fd->msdf_source_size; } else { return Vector2(delta.x, delta.y); } } #endif } return Vector2(); } int32_t TextServerFallback::font_get_glyph_index(RID p_font_rid, int p_size, char32_t p_char, char32_t p_variation_selector) const { ERR_FAIL_COND_V_MSG((p_char >= 0xd800 && p_char <= 0xdfff) || (p_char > 0x10ffff), 0, "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_char, 16) + "."); return (int32_t)p_char; } bool TextServerFallback::font_has_char(RID p_font_rid, char32_t p_char) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); ERR_FAIL_COND_V_MSG((p_char >= 0xd800 && p_char <= 0xdfff) || (p_char > 0x10ffff), false, "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_char, 16) + "."); MutexLock lock(fd->mutex); if (fd->cache.is_empty()) { ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, fd->msdf ? Vector2i(fd->msdf_source_size, 0) : Vector2i(16, 0)), false); } FontDataForSizeFallback *at_size = fd->cache.front()->get(); #ifdef MODULE_FREETYPE_ENABLED if (at_size && at_size->face) { return FT_Get_Char_Index(at_size->face, p_char) != 0; } #endif return (at_size) ? at_size->glyph_map.has((int32_t)p_char) : false; } String TextServerFallback::font_get_supported_chars(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, String()); MutexLock lock(fd->mutex); if (fd->cache.is_empty()) { ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, fd->msdf ? Vector2i(fd->msdf_source_size, 0) : Vector2i(16, 0)), String()); } FontDataForSizeFallback *at_size = fd->cache.front()->get(); String chars; #ifdef MODULE_FREETYPE_ENABLED if (at_size && at_size->face) { FT_UInt gindex; FT_ULong charcode = FT_Get_First_Char(at_size->face, &gindex); while (gindex != 0) { if (charcode != 0) { chars += char32_t(charcode); } charcode = FT_Get_Next_Char(at_size->face, charcode, &gindex); } return chars; } #endif if (at_size) { const HashMap &gl = at_size->glyph_map; const int32_t *E = nullptr; while ((E = gl.next(E))) { chars += char32_t(*E); } } return chars; } void TextServerFallback::font_render_range(RID p_font_rid, const Vector2i &p_size, char32_t p_start, char32_t p_end) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); ERR_FAIL_COND_MSG((p_start >= 0xd800 && p_start <= 0xdfff) || (p_start > 0x10ffff), "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_start, 16) + "."); ERR_FAIL_COND_MSG((p_end >= 0xd800 && p_end <= 0xdfff) || (p_end > 0x10ffff), "Unicode parsing error: Invalid unicode codepoint " + String::num_int64(p_end, 16) + "."); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); for (char32_t i = p_start; i <= p_end; i++) { #ifdef MODULE_FREETYPE_ENABLED int32_t idx = i; if (fd->cache[size]->face) { if (fd->msdf) { _ensure_glyph(fd, size, (int32_t)idx); } else { if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { _ensure_glyph(fd, size, (int32_t)idx | (0 << 27)); _ensure_glyph(fd, size, (int32_t)idx | (1 << 27)); _ensure_glyph(fd, size, (int32_t)idx | (2 << 27)); _ensure_glyph(fd, size, (int32_t)idx | (3 << 27)); } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { _ensure_glyph(fd, size, (int32_t)idx | (1 << 27)); _ensure_glyph(fd, size, (int32_t)idx | (0 << 27)); } else { _ensure_glyph(fd, size, (int32_t)idx); } } } #endif } } void TextServerFallback::font_render_glyph(RID p_font_rid, const Vector2i &p_size, int32_t p_index) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); #ifdef MODULE_FREETYPE_ENABLED int32_t idx = p_index; if (fd->cache[size]->face) { if (fd->msdf) { _ensure_glyph(fd, size, (int32_t)idx); } else { if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { _ensure_glyph(fd, size, (int32_t)idx | (0 << 27)); _ensure_glyph(fd, size, (int32_t)idx | (1 << 27)); _ensure_glyph(fd, size, (int32_t)idx | (2 << 27)); _ensure_glyph(fd, size, (int32_t)idx | (3 << 27)); } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { _ensure_glyph(fd, size, (int32_t)idx | (1 << 27)); _ensure_glyph(fd, size, (int32_t)idx | (0 << 27)); } else { _ensure_glyph(fd, size, (int32_t)idx); } } } #endif } void TextServerFallback::font_draw_glyph(RID p_font_rid, RID p_canvas, int p_size, const Vector2 &p_pos, int32_t p_index, const Color &p_color) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, p_size); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); int32_t index = p_index; #ifdef MODULE_FREETYPE_ENABLED if (!fd->msdf && fd->cache[size]->face) { if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125)); index = index | (xshift << 27); } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { int xshift = (int)(Math::floor(2 * (p_pos.x + 0.25)) - 2 * Math::floor(p_pos.x + 0.25)); index = index | (xshift << 27); } } #endif if (!_ensure_glyph(fd, size, index)) { return; // Invalid or non-graphical glyph, do not display errors, nothing to draw. } const FontGlyph &gl = fd->cache[size]->glyph_map[index]; if (gl.found) { ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size()); if (gl.texture_idx != -1) { Color modulate = p_color; #ifdef MODULE_FREETYPE_ENABLED if (fd->cache[size]->face && FT_HAS_COLOR(fd->cache[size]->face)) { modulate.r = modulate.g = modulate.b = 1.0; } #endif if (RenderingServer::get_singleton() != nullptr) { RID texture = fd->cache[size]->textures[gl.texture_idx].texture->get_rid(); if (fd->msdf) { Point2 cpos = p_pos; cpos += gl.rect.position * (float)p_size / (float)fd->msdf_source_size; Size2 csize = gl.rect.size * (float)p_size / (float)fd->msdf_source_size; RenderingServer::get_singleton()->canvas_item_add_msdf_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, 0, fd->msdf_range); } else { Point2 cpos = p_pos; cpos.y = Math::floor(cpos.y); if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { cpos.x = ((int)Math::floor(cpos.x + 0.125)); } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { cpos.x = ((int)Math::floor(cpos.x + 0.25)); } else { cpos.x = Math::floor(cpos.x); } cpos += gl.rect.position; Size2 csize = gl.rect.size; RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false); } } } } } void TextServerFallback::font_draw_glyph_outline(RID p_font_rid, RID p_canvas, int p_size, int p_outline_size, const Vector2 &p_pos, int32_t p_index, const Color &p_color) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size_outline(fd, Vector2i(p_size, p_outline_size)); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); int32_t index = p_index; #ifdef MODULE_FREETYPE_ENABLED if (!fd->msdf && fd->cache[size]->face) { if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { int xshift = (int)(Math::floor(4 * (p_pos.x + 0.125)) - 4 * Math::floor(p_pos.x + 0.125)); index = index | (xshift << 27); } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { int xshift = (int)(Math::floor(2 * (p_pos.x + 0.25)) - 2 * Math::floor(p_pos.x + 0.25)); index = index | (xshift << 27); } } #endif if (!_ensure_glyph(fd, size, index)) { return; // Invalid or non-graphical glyph, do not display errors, nothing to draw. } const FontGlyph &gl = fd->cache[size]->glyph_map[index]; if (gl.found) { ERR_FAIL_COND(gl.texture_idx < -1 || gl.texture_idx >= fd->cache[size]->textures.size()); if (gl.texture_idx != -1) { Color modulate = p_color; #ifdef MODULE_FREETYPE_ENABLED if (fd->cache[size]->face && FT_HAS_COLOR(fd->cache[size]->face)) { modulate.r = modulate.g = modulate.b = 1.0; } #endif if (RenderingServer::get_singleton() != nullptr) { RID texture = fd->cache[size]->textures[gl.texture_idx].texture->get_rid(); if (fd->msdf) { Point2 cpos = p_pos; cpos += gl.rect.position * (float)p_size / (float)fd->msdf_source_size; Size2 csize = gl.rect.size * (float)p_size / (float)fd->msdf_source_size; RenderingServer::get_singleton()->canvas_item_add_msdf_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, p_outline_size * 2, fd->msdf_range); } else { Point2 cpos = p_pos; cpos.y = Math::floor(cpos.y); if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_QUARTER) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE)) { cpos.x = ((int)Math::floor(cpos.x + 0.125)); } else if ((fd->subpixel_positioning == SUBPIXEL_POSITIONING_ONE_HALF) || (fd->subpixel_positioning == SUBPIXEL_POSITIONING_AUTO && size.x <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE)) { cpos.x = ((int)Math::floor(cpos.x + 0.25)); } else { cpos.x = Math::floor(cpos.x); } cpos += gl.rect.position; Size2 csize = gl.rect.size; RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas, Rect2(cpos, csize), texture, gl.uv_rect, modulate, false, false); } } } } } bool TextServerFallback::font_is_language_supported(RID p_font_rid, const String &p_language) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); if (fd->language_support_overrides.has(p_language)) { return fd->language_support_overrides[p_language]; } else { return true; } } void TextServerFallback::font_set_language_support_override(RID p_font_rid, const String &p_language, bool p_supported) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); fd->language_support_overrides[p_language] = p_supported; } bool TextServerFallback::font_get_language_support_override(RID p_font_rid, const String &p_language) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); return fd->language_support_overrides[p_language]; } void TextServerFallback::font_remove_language_support_override(RID p_font_rid, const String &p_language) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); fd->language_support_overrides.erase(p_language); } Vector TextServerFallback::font_get_language_support_overrides(RID p_font_rid) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Vector()); MutexLock lock(fd->mutex); Vector out; for (const KeyValue &E : fd->language_support_overrides) { out.push_back(E.key); } return out; } bool TextServerFallback::font_is_script_supported(RID p_font_rid, const String &p_script) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); if (fd->script_support_overrides.has(p_script)) { return fd->script_support_overrides[p_script]; } else { return true; } } void TextServerFallback::font_set_script_support_override(RID p_font_rid, const String &p_script, bool p_supported) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); fd->script_support_overrides[p_script] = p_supported; } bool TextServerFallback::font_get_script_support_override(RID p_font_rid, const String &p_script) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, false); MutexLock lock(fd->mutex); return fd->script_support_overrides[p_script]; } void TextServerFallback::font_remove_script_support_override(RID p_font_rid, const String &p_script) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->script_support_overrides.erase(p_script); } Vector TextServerFallback::font_get_script_support_overrides(RID p_font_rid) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Vector()); MutexLock lock(fd->mutex); Vector out; for (const KeyValue &E : fd->script_support_overrides) { out.push_back(E.key); } return out; } void TextServerFallback::font_set_opentype_feature_overrides(RID p_font_rid, const Dictionary &p_overrides) { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND(!fd); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND(!_ensure_cache_for_size(fd, size)); fd->feature_overrides = p_overrides; } Dictionary TextServerFallback::font_get_opentype_feature_overrides(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Dictionary()); MutexLock lock(fd->mutex); return fd->feature_overrides; } Dictionary TextServerFallback::font_supported_feature_list(RID p_font_rid) const { return Dictionary(); } Dictionary TextServerFallback::font_supported_variation_list(RID p_font_rid) const { FontDataFallback *fd = font_owner.get_or_null(p_font_rid); ERR_FAIL_COND_V(!fd, Dictionary()); MutexLock lock(fd->mutex); Vector2i size = _get_size(fd, 16); ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Dictionary()); return fd->supported_varaitions; } float TextServerFallback::font_get_global_oversampling() const { return oversampling; } void TextServerFallback::font_set_global_oversampling(float p_oversampling) { _THREAD_SAFE_METHOD_ if (oversampling != p_oversampling) { oversampling = p_oversampling; List fonts; font_owner.get_owned_list(&fonts); bool font_cleared = false; for (const RID &E : fonts) { if (!font_is_multichannel_signed_distance_field(E) && font_get_oversampling(E) <= 0) { font_clear_size_cache(E); font_cleared = true; } } if (font_cleared) { List text_bufs; shaped_owner.get_owned_list(&text_bufs); for (const RID &E : text_bufs) { invalidate(shaped_owner.get_or_null(E)); } } } } /*************************************************************************/ /* Shaped text buffer interface */ /*************************************************************************/ void TextServerFallback::invalidate(ShapedTextDataFallback *p_shaped) { p_shaped->valid = false; p_shaped->sort_valid = false; p_shaped->line_breaks_valid = false; p_shaped->justification_ops_valid = false; p_shaped->ascent = 0.f; p_shaped->descent = 0.f; p_shaped->width = 0.f; p_shaped->upos = 0.f; p_shaped->uthk = 0.f; p_shaped->glyphs.clear(); p_shaped->glyphs_logical.clear(); } void TextServerFallback::full_copy(ShapedTextDataFallback *p_shaped) { ShapedTextDataFallback *parent = shaped_owner.get_or_null(p_shaped->parent); for (const KeyValue &E : parent->objects) { if (E.value.pos >= p_shaped->start && E.value.pos < p_shaped->end) { p_shaped->objects[E.key] = E.value; } } for (int k = 0; k < parent->spans.size(); k++) { ShapedTextDataFallback::Span span = parent->spans[k]; if (span.start >= p_shaped->end || span.end <= p_shaped->start) { continue; } span.start = MAX(p_shaped->start, span.start); span.end = MIN(p_shaped->end, span.end); p_shaped->spans.push_back(span); } p_shaped->parent = RID(); } RID TextServerFallback::create_shaped_text(TextServer::Direction p_direction, TextServer::Orientation p_orientation) { _THREAD_SAFE_METHOD_ ShapedTextDataFallback *sd = memnew(ShapedTextDataFallback); sd->direction = p_direction; sd->orientation = p_orientation; return shaped_owner.make_rid(sd); } void TextServerFallback::shaped_text_clear(RID p_shaped) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND(!sd); MutexLock lock(sd->mutex); sd->parent = RID(); sd->start = 0; sd->end = 0; sd->text = String(); sd->spans.clear(); sd->objects.clear(); invalidate(sd); } void TextServerFallback::shaped_text_set_direction(RID p_shaped, TextServer::Direction p_direction) { if (p_direction == DIRECTION_RTL) { ERR_PRINT_ONCE("Right-to-left layout is not supported by this text server."); } } TextServer::Direction TextServerFallback::shaped_text_get_direction(RID p_shaped) const { return TextServer::DIRECTION_LTR; } TextServer::Direction TextServerFallback::shaped_text_get_inferred_direction(RID p_shaped) const { return TextServer::DIRECTION_LTR; } void TextServerFallback::shaped_text_set_custom_punctuation(RID p_shaped, const String &p_punct) { _THREAD_SAFE_METHOD_ ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND(!sd); if (sd->custom_punct != p_punct) { if (sd->parent != RID()) { full_copy(sd); } sd->custom_punct = p_punct; invalidate(sd); } } String TextServerFallback::shaped_text_get_custom_punctuation(RID p_shaped) const { _THREAD_SAFE_METHOD_ const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, String()); return sd->custom_punct; } void TextServerFallback::shaped_text_set_orientation(RID p_shaped, TextServer::Orientation p_orientation) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND(!sd); MutexLock lock(sd->mutex); if (sd->orientation != p_orientation) { if (sd->parent != RID()) { full_copy(sd); } sd->orientation = p_orientation; invalidate(sd); } } void TextServerFallback::shaped_text_set_bidi_override(RID p_shaped, const Array &p_override) { // No BiDi support, ignore. } TextServer::Orientation TextServerFallback::shaped_text_get_orientation(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, TextServer::ORIENTATION_HORIZONTAL); MutexLock lock(sd->mutex); return sd->orientation; } void TextServerFallback::shaped_text_set_preserve_invalid(RID p_shaped, bool p_enabled) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); MutexLock lock(sd->mutex); ERR_FAIL_COND(!sd); if (sd->preserve_invalid != p_enabled) { if (sd->parent != RID()) { full_copy(sd); } sd->preserve_invalid = p_enabled; invalidate(sd); } } bool TextServerFallback::shaped_text_get_preserve_invalid(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); return sd->preserve_invalid; } void TextServerFallback::shaped_text_set_preserve_control(RID p_shaped, bool p_enabled) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND(!sd); MutexLock lock(sd->mutex); if (sd->preserve_control != p_enabled) { if (sd->parent != RID()) { full_copy(sd); } sd->preserve_control = p_enabled; invalidate(sd); } } bool TextServerFallback::shaped_text_get_preserve_control(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); return sd->preserve_control; } int TextServerFallback::shaped_get_span_count(RID p_shaped) const { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0); return sd->spans.size(); } Variant TextServerFallback::shaped_get_span_meta(RID p_shaped, int p_index) const { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, Variant()); ERR_FAIL_INDEX_V(p_index, sd->spans.size(), Variant()); return sd->spans[p_index].meta; } void TextServerFallback::shaped_set_span_update_font(RID p_shaped, int p_index, const Vector &p_fonts, int p_size, const Dictionary &p_opentype_features) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND(!sd); ERR_FAIL_INDEX(p_index, sd->spans.size()); ShapedTextDataFallback::Span &span = sd->spans.write[p_index]; span.fonts.clear(); // Pre-sort fonts, push fonts with the language support first. Vector fonts_no_match; int font_count = p_fonts.size(); for (int i = 0; i < font_count; i++) { if (font_is_language_supported(p_fonts[i], span.language)) { span.fonts.push_back(p_fonts[i]); } else { fonts_no_match.push_back(p_fonts[i]); } } span.fonts.append_array(fonts_no_match); span.font_size = p_size; span.features = p_opentype_features; sd->valid = false; } bool TextServerFallback::shaped_text_add_string(RID p_shaped, const String &p_text, const Vector &p_fonts, int p_size, const Dictionary &p_opentype_features, const String &p_language, const Variant &p_meta) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); ERR_FAIL_COND_V(p_size <= 0, false); for (int i = 0; i < p_fonts.size(); i++) { ERR_FAIL_COND_V(!font_owner.get_or_null(p_fonts[i]), false); } if (p_text.is_empty()) { return true; } if (sd->parent != RID()) { full_copy(sd); } ShapedTextDataFallback::Span span; span.start = sd->text.length(); span.end = span.start + p_text.length(); // Pre-sort fonts, push fonts with the language support first. Vector fonts_no_match; int font_count = p_fonts.size(); for (int i = 0; i < font_count; i++) { if (font_is_language_supported(p_fonts[i], p_language)) { span.fonts.push_back(p_fonts[i]); } else { fonts_no_match.push_back(p_fonts[i]); } } span.fonts.append_array(fonts_no_match); ERR_FAIL_COND_V(span.fonts.is_empty(), false); span.font_size = p_size; span.language = p_language; span.meta = p_meta; sd->spans.push_back(span); sd->text += p_text; sd->end += p_text.length(); invalidate(sd); return true; } bool TextServerFallback::shaped_text_add_object(RID p_shaped, Variant p_key, const Size2 &p_size, InlineAlignment p_inline_align, int p_length) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); ERR_FAIL_COND_V(p_key == Variant(), false); ERR_FAIL_COND_V(sd->objects.has(p_key), false); if (sd->parent != RID()) { full_copy(sd); } ShapedTextDataFallback::Span span; span.start = sd->start + sd->text.length(); span.end = span.start + p_length; span.embedded_key = p_key; ShapedTextDataFallback::EmbeddedObject obj; obj.inline_align = p_inline_align; obj.rect.size = p_size; obj.pos = span.start; sd->spans.push_back(span); sd->text += String::chr(0xfffc).repeat(p_length); sd->end += p_length; sd->objects[p_key] = obj; invalidate(sd); return true; } bool TextServerFallback::shaped_text_resize_object(RID p_shaped, Variant p_key, const Size2 &p_size, InlineAlignment p_inline_align) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); ERR_FAIL_COND_V(!sd->objects.has(p_key), false); sd->objects[p_key].rect.size = p_size; sd->objects[p_key].inline_align = p_inline_align; if (sd->valid) { // Recalc string metrics. sd->ascent = 0; sd->descent = 0; sd->width = 0; sd->upos = 0; sd->uthk = 0; int sd_size = sd->glyphs.size(); for (int i = 0; i < sd_size; i++) { Glyph gl = sd->glyphs[i]; Variant key; if (gl.count == 1) { for (const KeyValue &E : sd->objects) { if (E.value.pos == gl.start) { key = E.key; break; } } } if (key != Variant()) { if (sd->orientation == ORIENTATION_HORIZONTAL) { sd->objects[key].rect.position.x = sd->width; sd->width += sd->objects[key].rect.size.x; sd->glyphs.write[i].advance = sd->objects[key].rect.size.x; } else { sd->objects[key].rect.position.y = sd->width; sd->width += sd->objects[key].rect.size.y; sd->glyphs.write[i].advance = sd->objects[key].rect.size.y; } } else { if (gl.font_rid.is_valid()) { if (sd->orientation == ORIENTATION_HORIZONTAL) { sd->ascent = MAX(sd->ascent, font_get_ascent(gl.font_rid, gl.font_size)); sd->descent = MAX(sd->descent, font_get_descent(gl.font_rid, gl.font_size)); } else { sd->ascent = MAX(sd->ascent, Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5)); sd->descent = MAX(sd->descent, Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5)); } sd->upos = MAX(sd->upos, font_get_underline_position(gl.font_rid, gl.font_size)); sd->uthk = MAX(sd->uthk, font_get_underline_thickness(gl.font_rid, gl.font_size)); } else if (sd->preserve_invalid || (sd->preserve_control && is_control(gl.index))) { // Glyph not found, replace with hex code box. if (sd->orientation == ORIENTATION_HORIZONTAL) { sd->ascent = MAX(sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y); } else { sd->ascent = MAX(sd->ascent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f)); sd->descent = MAX(sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f)); } } sd->width += gl.advance * gl.repeat; } } _realign(sd); } return true; } void TextServerFallback::_realign(ShapedTextDataFallback *p_sd) const { // Align embedded objects to baseline. float full_ascent = p_sd->ascent; float full_descent = p_sd->descent; for (KeyValue &E : p_sd->objects) { if ((E.value.pos >= p_sd->start) && (E.value.pos < p_sd->end)) { if (p_sd->orientation == ORIENTATION_HORIZONTAL) { switch (E.value.inline_align & INLINE_ALIGNMENT_TEXT_MASK) { case INLINE_ALIGNMENT_TO_TOP: { E.value.rect.position.y = -p_sd->ascent; } break; case INLINE_ALIGNMENT_TO_CENTER: { E.value.rect.position.y = (-p_sd->ascent + p_sd->descent) / 2; } break; case INLINE_ALIGNMENT_TO_BASELINE: { E.value.rect.position.y = 0; } break; case INLINE_ALIGNMENT_TO_BOTTOM: { E.value.rect.position.y = p_sd->descent; } break; } switch (E.value.inline_align & INLINE_ALIGNMENT_IMAGE_MASK) { case INLINE_ALIGNMENT_BOTTOM_TO: { E.value.rect.position.y -= E.value.rect.size.y; } break; case INLINE_ALIGNMENT_CENTER_TO: { E.value.rect.position.y -= E.value.rect.size.y / 2; } break; case INLINE_ALIGNMENT_TOP_TO: { // NOP } break; } full_ascent = MAX(full_ascent, -E.value.rect.position.y); full_descent = MAX(full_descent, E.value.rect.position.y + E.value.rect.size.y); } else { switch (E.value.inline_align & INLINE_ALIGNMENT_TEXT_MASK) { case INLINE_ALIGNMENT_TO_TOP: { E.value.rect.position.x = -p_sd->ascent; } break; case INLINE_ALIGNMENT_TO_CENTER: { E.value.rect.position.x = (-p_sd->ascent + p_sd->descent) / 2; } break; case INLINE_ALIGNMENT_TO_BASELINE: { E.value.rect.position.x = 0; } break; case INLINE_ALIGNMENT_TO_BOTTOM: { E.value.rect.position.x = p_sd->descent; } break; } switch (E.value.inline_align & INLINE_ALIGNMENT_IMAGE_MASK) { case INLINE_ALIGNMENT_BOTTOM_TO: { E.value.rect.position.x -= E.value.rect.size.x; } break; case INLINE_ALIGNMENT_CENTER_TO: { E.value.rect.position.x -= E.value.rect.size.x / 2; } break; case INLINE_ALIGNMENT_TOP_TO: { // NOP } break; } full_ascent = MAX(full_ascent, -E.value.rect.position.x); full_descent = MAX(full_descent, E.value.rect.position.x + E.value.rect.size.x); } } } p_sd->ascent = full_ascent; p_sd->descent = full_descent; } RID TextServerFallback::shaped_text_substr(RID p_shaped, int p_start, int p_length) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, RID()); MutexLock lock(sd->mutex); if (sd->parent != RID()) { return shaped_text_substr(sd->parent, p_start, p_length); } if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } ERR_FAIL_COND_V(p_start < 0 || p_length < 0, RID()); ERR_FAIL_COND_V(sd->start > p_start || sd->end < p_start, RID()); ERR_FAIL_COND_V(sd->end < p_start + p_length, RID()); ShapedTextDataFallback *new_sd = memnew(ShapedTextDataFallback); new_sd->parent = p_shaped; new_sd->start = p_start; new_sd->end = p_start + p_length; new_sd->orientation = sd->orientation; new_sd->direction = sd->direction; new_sd->custom_punct = sd->custom_punct; new_sd->para_direction = sd->para_direction; new_sd->line_breaks_valid = sd->line_breaks_valid; new_sd->justification_ops_valid = sd->justification_ops_valid; new_sd->sort_valid = false; new_sd->upos = sd->upos; new_sd->uthk = sd->uthk; if (p_length > 0) { new_sd->text = sd->text.substr(p_start - sd->start, p_length); int sd_size = sd->glyphs.size(); const Glyph *sd_glyphs = sd->glyphs.ptr(); for (int i = 0; i < sd_size; i++) { if ((sd_glyphs[i].start >= new_sd->start) && (sd_glyphs[i].end <= new_sd->end)) { Glyph gl = sd_glyphs[i]; Variant key; bool find_embedded = false; if (gl.count == 1) { for (const KeyValue &E : sd->objects) { if (E.value.pos == gl.start) { find_embedded = true; key = E.key; new_sd->objects[key] = E.value; break; } } } if (find_embedded) { if (new_sd->orientation == ORIENTATION_HORIZONTAL) { new_sd->objects[key].rect.position.x = new_sd->width; new_sd->width += new_sd->objects[key].rect.size.x; } else { new_sd->objects[key].rect.position.y = new_sd->width; new_sd->width += new_sd->objects[key].rect.size.y; } } else { if (gl.font_rid.is_valid()) { if (new_sd->orientation == ORIENTATION_HORIZONTAL) { new_sd->ascent = MAX(new_sd->ascent, font_get_ascent(gl.font_rid, gl.font_size)); new_sd->descent = MAX(new_sd->descent, font_get_descent(gl.font_rid, gl.font_size)); } else { new_sd->ascent = MAX(new_sd->ascent, Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5)); new_sd->descent = MAX(new_sd->descent, Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5)); } } else if (new_sd->preserve_invalid || (new_sd->preserve_control && is_control(gl.index))) { // Glyph not found, replace with hex code box. if (new_sd->orientation == ORIENTATION_HORIZONTAL) { new_sd->ascent = MAX(new_sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y); } else { new_sd->ascent = MAX(new_sd->ascent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f)); new_sd->descent = MAX(new_sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f)); } } new_sd->width += gl.advance * gl.repeat; } new_sd->glyphs.push_back(gl); } } // Align embedded objects to baseline. float full_ascent = new_sd->ascent; float full_descent = new_sd->descent; for (KeyValue &E : new_sd->objects) { if ((E.value.pos >= new_sd->start) && (E.value.pos < new_sd->end)) { if (sd->orientation == ORIENTATION_HORIZONTAL) { switch (E.value.inline_align & INLINE_ALIGNMENT_TEXT_MASK) { case INLINE_ALIGNMENT_TO_TOP: { E.value.rect.position.y = -new_sd->ascent; } break; case INLINE_ALIGNMENT_TO_CENTER: { E.value.rect.position.y = (-new_sd->ascent + new_sd->descent) / 2; } break; case INLINE_ALIGNMENT_TO_BASELINE: { E.value.rect.position.y = 0; } break; case INLINE_ALIGNMENT_TO_BOTTOM: { E.value.rect.position.y = new_sd->descent; } break; } switch (E.value.inline_align & INLINE_ALIGNMENT_IMAGE_MASK) { case INLINE_ALIGNMENT_BOTTOM_TO: { E.value.rect.position.y -= E.value.rect.size.y; } break; case INLINE_ALIGNMENT_CENTER_TO: { E.value.rect.position.y -= E.value.rect.size.y / 2; } break; case INLINE_ALIGNMENT_TOP_TO: { // NOP } break; } full_ascent = MAX(full_ascent, -E.value.rect.position.y); full_descent = MAX(full_descent, E.value.rect.position.y + E.value.rect.size.y); } else { switch (E.value.inline_align & INLINE_ALIGNMENT_TEXT_MASK) { case INLINE_ALIGNMENT_TO_TOP: { E.value.rect.position.x = -new_sd->ascent; } break; case INLINE_ALIGNMENT_TO_CENTER: { E.value.rect.position.x = (-new_sd->ascent + new_sd->descent) / 2; } break; case INLINE_ALIGNMENT_TO_BASELINE: { E.value.rect.position.x = 0; } break; case INLINE_ALIGNMENT_TO_BOTTOM: { E.value.rect.position.x = new_sd->descent; } break; } switch (E.value.inline_align & INLINE_ALIGNMENT_IMAGE_MASK) { case INLINE_ALIGNMENT_BOTTOM_TO: { E.value.rect.position.x -= E.value.rect.size.x; } break; case INLINE_ALIGNMENT_CENTER_TO: { E.value.rect.position.x -= E.value.rect.size.x / 2; } break; case INLINE_ALIGNMENT_TOP_TO: { // NOP } break; } full_ascent = MAX(full_ascent, -E.value.rect.position.x); full_descent = MAX(full_descent, E.value.rect.position.x + E.value.rect.size.x); } } } new_sd->ascent = full_ascent; new_sd->descent = full_descent; } new_sd->valid = true; return shaped_owner.make_rid(new_sd); } RID TextServerFallback::shaped_text_get_parent(RID p_shaped) const { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, RID()); MutexLock lock(sd->mutex); return sd->parent; } float TextServerFallback::shaped_text_fit_to_width(RID p_shaped, float p_width, uint16_t /*JustificationFlag*/ p_jst_flags) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0.f); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } if (!sd->justification_ops_valid) { const_cast(this)->shaped_text_update_justification_ops(p_shaped); } int start_pos = 0; int end_pos = sd->glyphs.size() - 1; if ((p_jst_flags & JUSTIFICATION_AFTER_LAST_TAB) == JUSTIFICATION_AFTER_LAST_TAB) { int start, end, delta; if (sd->para_direction == DIRECTION_LTR) { start = sd->glyphs.size() - 1; end = -1; delta = -1; } else { start = 0; end = sd->glyphs.size(); delta = +1; } for (int i = start; i != end; i += delta) { if ((sd->glyphs[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) { if (sd->para_direction == DIRECTION_LTR) { start_pos = i; break; } else { end_pos = i; break; } } } } float justification_width; if ((p_jst_flags & JUSTIFICATION_CONSTRAIN_ELLIPSIS) == JUSTIFICATION_CONSTRAIN_ELLIPSIS) { if (sd->overrun_trim_data.trim_pos >= 0) { end_pos = sd->overrun_trim_data.trim_pos; justification_width = sd->width_trimmed; } else { return Math::ceil(sd->width); } } else { justification_width = sd->width; } if ((p_jst_flags & JUSTIFICATION_TRIM_EDGE_SPACES) == JUSTIFICATION_TRIM_EDGE_SPACES) { // Trim spaces. while ((start_pos < end_pos) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) { justification_width -= sd->glyphs[start_pos].advance * sd->glyphs[start_pos].repeat; sd->glyphs.write[start_pos].advance = 0; start_pos += sd->glyphs[start_pos].count; } while ((start_pos < end_pos) && ((sd->glyphs[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) { justification_width -= sd->glyphs[end_pos].advance * sd->glyphs[end_pos].repeat; sd->glyphs.write[end_pos].advance = 0; end_pos -= sd->glyphs[end_pos].count; } } else { // Skip breaks, but do not reset size. while ((start_pos < end_pos) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD)) { start_pos += sd->glyphs[start_pos].count; } while ((start_pos < end_pos) && ((sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD)) { end_pos -= sd->glyphs[end_pos].count; } } int space_count = 0; for (int i = start_pos; i <= end_pos; i++) { const Glyph &gl = sd->glyphs[i]; if (gl.count > 0) { if ((gl.flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) { space_count++; } } } if ((space_count > 0) && ((p_jst_flags & JUSTIFICATION_WORD_BOUND) == JUSTIFICATION_WORD_BOUND)) { float delta_width_per_space = (p_width - justification_width) / space_count; for (int i = start_pos; i <= end_pos; i++) { Glyph &gl = sd->glyphs.write[i]; if (gl.count > 0) { if ((gl.flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) { float old_adv = gl.advance; gl.advance = MAX(gl.advance + delta_width_per_space, Math::round(0.1 * gl.font_size)); justification_width += (gl.advance - old_adv); } } } } if (Math::floor(p_width) < Math::floor(justification_width)) { sd->fit_width_minimum_reached = true; } if ((p_jst_flags & JUSTIFICATION_CONSTRAIN_ELLIPSIS) != JUSTIFICATION_CONSTRAIN_ELLIPSIS) { sd->width = justification_width; } return Math::ceil(justification_width); } float TextServerFallback::shaped_text_tab_align(RID p_shaped, const PackedFloat32Array &p_tab_stops) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0.f); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } if (!sd->line_breaks_valid) { const_cast(this)->shaped_text_update_breaks(p_shaped); } for (int i = 0; i < p_tab_stops.size(); i++) { if (p_tab_stops[i] <= 0) { return 0.f; } } int tab_index = 0; float off = 0.f; int start, end, delta; if (sd->para_direction == DIRECTION_LTR) { start = 0; end = sd->glyphs.size(); delta = +1; } else { start = sd->glyphs.size() - 1; end = -1; delta = -1; } Glyph *gl = sd->glyphs.ptrw(); for (int i = start; i != end; i += delta) { if ((gl[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) { float tab_off = 0.f; while (tab_off <= off) { tab_off += p_tab_stops[tab_index]; tab_index++; if (tab_index >= p_tab_stops.size()) { tab_index = 0; } } float old_adv = gl[i].advance; gl[i].advance = tab_off - off; sd->width += gl[i].advance - old_adv; off = 0; continue; } off += gl[i].advance * gl[i].repeat; } return 0.f; } bool TextServerFallback::shaped_text_update_breaks(RID p_shaped) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); if (!sd->valid) { shaped_text_shape(p_shaped); } if (sd->line_breaks_valid) { return true; // Nothing to do. } int sd_size = sd->glyphs.size(); Glyph *sd_glyphs = sd->glyphs.ptrw(); int c_punct_size = sd->custom_punct.length(); const char32_t *c_punct = sd->custom_punct.ptr(); for (int i = 0; i < sd_size; i++) { if (sd_glyphs[i].count > 0) { char32_t c = sd->text[sd_glyphs[i].start - sd->start]; if (c_punct_size == 0) { if (is_punct(c)) { sd_glyphs[i].flags |= GRAPHEME_IS_PUNCTUATION; } } else { for (int j = 0; j < c_punct_size; j++) { if (c_punct[j] == c) { sd_glyphs[i].flags |= GRAPHEME_IS_PUNCTUATION; break; } } } if (is_underscore(c)) { sd->glyphs.write[i].flags |= GRAPHEME_IS_UNDERSCORE; } if (is_whitespace(c) && !is_linebreak(c)) { sd_glyphs[i].flags |= GRAPHEME_IS_SPACE; sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_SOFT; } if (is_linebreak(c)) { sd_glyphs[i].flags |= GRAPHEME_IS_SPACE; sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_HARD; } if (c == 0x0009 || c == 0x000b) { sd_glyphs[i].flags |= GRAPHEME_IS_TAB; } i += (sd_glyphs[i].count - 1); } } sd->line_breaks_valid = true; return sd->line_breaks_valid; } bool TextServerFallback::shaped_text_update_justification_ops(RID p_shaped) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); if (!sd->valid) { shaped_text_shape(p_shaped); } if (!sd->line_breaks_valid) { shaped_text_update_breaks(p_shaped); } sd->justification_ops_valid = true; // Not supported by fallback server. return true; } void TextServerFallback::shaped_text_overrun_trim_to_width(RID p_shaped_line, float p_width, uint16_t p_trim_flags) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped_line); ERR_FAIL_COND_MSG(!sd, "ShapedTextDataFallback invalid."); MutexLock lock(sd->mutex); if (!sd->valid) { shaped_text_shape(p_shaped_line); } sd->text_trimmed = false; sd->overrun_trim_data.ellipsis_glyph_buf.clear(); bool add_ellipsis = (p_trim_flags & OVERRUN_ADD_ELLIPSIS) == OVERRUN_ADD_ELLIPSIS; bool cut_per_word = (p_trim_flags & OVERRUN_TRIM_WORD_ONLY) == OVERRUN_TRIM_WORD_ONLY; bool enforce_ellipsis = (p_trim_flags & OVERRUN_ENFORCE_ELLIPSIS) == OVERRUN_ENFORCE_ELLIPSIS; bool justification_aware = (p_trim_flags & OVERRUN_JUSTIFICATION_AWARE) == OVERRUN_JUSTIFICATION_AWARE; Glyph *sd_glyphs = sd->glyphs.ptrw(); if ((p_trim_flags & OVERRUN_TRIM) == OVERRUN_NO_TRIMMING || sd_glyphs == nullptr || p_width <= 0 || !(sd->width > p_width || enforce_ellipsis)) { sd->overrun_trim_data.trim_pos = -1; sd->overrun_trim_data.ellipsis_pos = -1; return; } if (justification_aware && !sd->fit_width_minimum_reached) { return; } Vector &spans = sd->spans; if (sd->parent != RID()) { ShapedTextDataFallback *parent_sd = shaped_owner.get_or_null(sd->parent); ERR_FAIL_COND(!parent_sd->valid); spans = parent_sd->spans; } if (spans.size() == 0) { return; } int sd_size = sd->glyphs.size(); int last_gl_font_size = sd_glyphs[sd_size - 1].font_size; // Find usable fonts, if fonts from the last glyph do not have required chars. RID dot_gl_font_rid = sd_glyphs[sd_size - 1].font_rid; if (!font_has_char(dot_gl_font_rid, '.')) { const Vector &fonts = spans[spans.size() - 1].fonts; for (const RID &font : fonts) { if (font_has_char(font, '.')) { dot_gl_font_rid = font; break; } } } RID whitespace_gl_font_rid = sd_glyphs[sd_size - 1].font_rid; if (!font_has_char(whitespace_gl_font_rid, '.')) { const Vector &fonts = spans[spans.size() - 1].fonts; for (const RID &font : fonts) { if (font_has_char(font, ' ')) { whitespace_gl_font_rid = font; break; } } } int32_t dot_gl_idx = dot_gl_font_rid.is_valid() ? font_get_glyph_index(dot_gl_font_rid, last_gl_font_size, '.') : -10; Vector2 dot_adv = dot_gl_font_rid.is_valid() ? font_get_glyph_advance(dot_gl_font_rid, last_gl_font_size, dot_gl_idx) : Vector2(); int32_t whitespace_gl_idx = whitespace_gl_font_rid.is_valid() ? font_get_glyph_index(whitespace_gl_font_rid, last_gl_font_size, ' ') : -10; Vector2 whitespace_adv = whitespace_gl_font_rid.is_valid() ? font_get_glyph_advance(whitespace_gl_font_rid, last_gl_font_size, whitespace_gl_idx) : Vector2(); int ellipsis_width = 0; if (add_ellipsis && whitespace_gl_font_rid.is_valid()) { ellipsis_width = 3 * dot_adv.x + font_get_spacing(whitespace_gl_font_rid, last_gl_font_size, SPACING_GLYPH) + (cut_per_word ? whitespace_adv.x : 0); } int ell_min_characters = 6; float width = sd->width; int trim_pos = 0; int ellipsis_pos = (enforce_ellipsis) ? 0 : -1; int last_valid_cut = 0; bool found = false; for (int i = sd_size - 1; i != -1; i--) { width -= sd_glyphs[i].advance * sd_glyphs[i].repeat; if (sd_glyphs[i].count > 0) { bool above_min_char_threshold = (i >= ell_min_characters); if (width + (((above_min_char_threshold && add_ellipsis) || enforce_ellipsis) ? ellipsis_width : 0) <= p_width) { if (cut_per_word && above_min_char_threshold) { if ((sd_glyphs[i].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT) { last_valid_cut = i; found = true; } } else { last_valid_cut = i; found = true; } if (found) { trim_pos = last_valid_cut; if (add_ellipsis && (above_min_char_threshold || enforce_ellipsis) && width - ellipsis_width <= p_width) { ellipsis_pos = trim_pos; } break; } } } } sd->overrun_trim_data.trim_pos = trim_pos; sd->overrun_trim_data.ellipsis_pos = ellipsis_pos; if (trim_pos == 0 && enforce_ellipsis && add_ellipsis) { sd->overrun_trim_data.ellipsis_pos = 0; } if ((trim_pos >= 0 && sd->width > p_width) || enforce_ellipsis) { if (add_ellipsis && (ellipsis_pos > 0 || enforce_ellipsis)) { // Insert an additional space when cutting word bound for aesthetics. if (cut_per_word && (ellipsis_pos > 0)) { Glyph gl; gl.count = 1; gl.advance = whitespace_adv.x; gl.index = whitespace_gl_idx; gl.font_rid = whitespace_gl_font_rid; gl.font_size = last_gl_font_size; gl.flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL; sd->overrun_trim_data.ellipsis_glyph_buf.append(gl); } // Add ellipsis dots. if (dot_gl_idx != 0) { Glyph gl; gl.count = 1; gl.repeat = 3; gl.advance = dot_adv.x; gl.index = dot_gl_idx; gl.font_rid = dot_gl_font_rid; gl.font_size = last_gl_font_size; gl.flags = GRAPHEME_IS_PUNCTUATION | GRAPHEME_IS_VIRTUAL; sd->overrun_trim_data.ellipsis_glyph_buf.append(gl); } } sd->text_trimmed = true; sd->width_trimmed = width + ((ellipsis_pos != -1) ? ellipsis_width : 0); } } int TextServerFallback::shaped_text_get_trim_pos(RID p_shaped) const { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V_MSG(!sd, -1, "ShapedTextDataFallback invalid."); MutexLock lock(sd->mutex); return sd->overrun_trim_data.trim_pos; } int TextServerFallback::shaped_text_get_ellipsis_pos(RID p_shaped) const { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V_MSG(!sd, -1, "ShapedTextDataFallback invalid."); MutexLock lock(sd->mutex); return sd->overrun_trim_data.ellipsis_pos; } const Glyph *TextServerFallback::shaped_text_get_ellipsis_glyphs(RID p_shaped) const { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V_MSG(!sd, nullptr, "ShapedTextDataFallback invalid."); MutexLock lock(sd->mutex); return sd->overrun_trim_data.ellipsis_glyph_buf.ptr(); } int TextServerFallback::shaped_text_get_ellipsis_glyph_count(RID p_shaped) const { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V_MSG(!sd, 0, "ShapedTextDataFallback invalid."); MutexLock lock(sd->mutex); return sd->overrun_trim_data.ellipsis_glyph_buf.size(); } bool TextServerFallback::shaped_text_shape(RID p_shaped) { ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); if (sd->valid) { return true; } if (sd->parent != RID()) { full_copy(sd); } // Cleanup. sd->justification_ops_valid = false; sd->line_breaks_valid = false; sd->ascent = 0.f; sd->descent = 0.f; sd->width = 0.f; sd->glyphs.clear(); if (sd->text.length() == 0) { sd->valid = true; return true; } // "Shape" string. for (int i = 0; i < sd->spans.size(); i++) { const ShapedTextDataFallback::Span &span = sd->spans[i]; if (span.embedded_key != Variant()) { // Embedded object. if (sd->orientation == ORIENTATION_HORIZONTAL) { sd->objects[span.embedded_key].rect.position.x = sd->width; sd->width += sd->objects[span.embedded_key].rect.size.x; } else { sd->objects[span.embedded_key].rect.position.y = sd->width; sd->width += sd->objects[span.embedded_key].rect.size.y; } Glyph gl; gl.start = span.start; gl.end = span.end; gl.count = 1; gl.index = 0; gl.flags = GRAPHEME_IS_VALID | GRAPHEME_IS_VIRTUAL; if (sd->orientation == ORIENTATION_HORIZONTAL) { gl.advance = sd->objects[span.embedded_key].rect.size.x; } else { gl.advance = sd->objects[span.embedded_key].rect.size.y; } sd->glyphs.push_back(gl); } else { // Text span. for (int j = span.start; j < span.end; j++) { Glyph gl; gl.start = j; gl.end = j + 1; gl.count = 1; gl.font_size = span.font_size; gl.index = (int32_t)sd->text[j - sd->start]; // Use codepoint. if (gl.index == 0x0009 || gl.index == 0x000b) { gl.index = 0x0020; } if (!sd->preserve_control && is_control(gl.index)) { gl.index = 0x0020; } // Select first font which has character (font are already sorted by span language). for (int k = 0; k < span.fonts.size(); k++) { if (font_has_char(span.fonts[k], gl.index)) { gl.font_rid = span.fonts[k]; break; } } if (gl.font_rid.is_valid()) { bool subpos = (font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_ONE_HALF) || (font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_ONE_QUARTER) || (font_get_subpixel_positioning(gl.font_rid) == SUBPIXEL_POSITIONING_AUTO && gl.font_size <= SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE); if (sd->text[j - sd->start] != 0 && !is_linebreak(sd->text[j - sd->start])) { if (sd->orientation == ORIENTATION_HORIZONTAL) { gl.advance = Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x); gl.x_off = 0; gl.y_off = 0; sd->ascent = MAX(sd->ascent, font_get_ascent(gl.font_rid, gl.font_size)); sd->descent = MAX(sd->descent, font_get_descent(gl.font_rid, gl.font_size)); } else { gl.advance = Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).y); gl.x_off = -Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5); gl.y_off = font_get_ascent(gl.font_rid, gl.font_size); sd->ascent = MAX(sd->ascent, Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5)); sd->descent = MAX(sd->descent, Math::round(font_get_glyph_advance(gl.font_rid, gl.font_size, gl.index).x * 0.5)); } } if (font_get_spacing(gl.font_rid, gl.font_size, TextServer::SPACING_SPACE) && is_whitespace(sd->text[j - sd->start])) { gl.advance += font_get_spacing(gl.font_rid, gl.font_size, TextServer::SPACING_SPACE); } else { gl.advance += font_get_spacing(gl.font_rid, gl.font_size, TextServer::SPACING_GLYPH); } sd->upos = MAX(sd->upos, font_get_underline_position(gl.font_rid, gl.font_size)); sd->uthk = MAX(sd->uthk, font_get_underline_thickness(gl.font_rid, gl.font_size)); // Add kerning to previous glyph. if (sd->glyphs.size() > 0) { Glyph &prev_gl = sd->glyphs.write[sd->glyphs.size() - 1]; if (prev_gl.font_rid == gl.font_rid && prev_gl.font_size == gl.font_size) { if (sd->orientation == ORIENTATION_HORIZONTAL) { prev_gl.advance += font_get_kerning(gl.font_rid, gl.font_size, Vector2i(prev_gl.index, gl.index)).x; } else { prev_gl.advance += font_get_kerning(gl.font_rid, gl.font_size, Vector2i(prev_gl.index, gl.index)).y; } } } if (sd->orientation == ORIENTATION_HORIZONTAL && !subpos) { gl.advance = Math::round(gl.advance); } } else if (sd->preserve_invalid || (sd->preserve_control && is_control(gl.index))) { // Glyph not found, replace with hex code box. if (sd->orientation == ORIENTATION_HORIZONTAL) { gl.advance = get_hex_code_box_size(gl.font_size, gl.index).x; sd->ascent = MAX(sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y); } else { gl.advance = get_hex_code_box_size(gl.font_size, gl.index).y; sd->ascent = MAX(sd->ascent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f)); sd->descent = MAX(sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f)); } } sd->width += gl.advance; sd->glyphs.push_back(gl); } } } // Align embedded objects to baseline. float full_ascent = sd->ascent; float full_descent = sd->descent; for (KeyValue &E : sd->objects) { if (sd->orientation == ORIENTATION_HORIZONTAL) { switch (E.value.inline_align & INLINE_ALIGNMENT_TEXT_MASK) { case INLINE_ALIGNMENT_TO_TOP: { E.value.rect.position.y = -sd->ascent; } break; case INLINE_ALIGNMENT_TO_CENTER: { E.value.rect.position.y = (-sd->ascent + sd->descent) / 2; } break; case INLINE_ALIGNMENT_TO_BASELINE: { E.value.rect.position.y = 0; } break; case INLINE_ALIGNMENT_TO_BOTTOM: { E.value.rect.position.y = sd->descent; } break; } switch (E.value.inline_align & INLINE_ALIGNMENT_IMAGE_MASK) { case INLINE_ALIGNMENT_BOTTOM_TO: { E.value.rect.position.y -= E.value.rect.size.y; } break; case INLINE_ALIGNMENT_CENTER_TO: { E.value.rect.position.y -= E.value.rect.size.y / 2; } break; case INLINE_ALIGNMENT_TOP_TO: { // NOP } break; } full_ascent = MAX(full_ascent, -E.value.rect.position.y); full_descent = MAX(full_descent, E.value.rect.position.y + E.value.rect.size.y); } else { switch (E.value.inline_align & INLINE_ALIGNMENT_TEXT_MASK) { case INLINE_ALIGNMENT_TO_TOP: { E.value.rect.position.x = -sd->ascent; } break; case INLINE_ALIGNMENT_TO_CENTER: { E.value.rect.position.x = (-sd->ascent + sd->descent) / 2; } break; case INLINE_ALIGNMENT_TO_BASELINE: { E.value.rect.position.x = 0; } break; case INLINE_ALIGNMENT_TO_BOTTOM: { E.value.rect.position.x = sd->descent; } break; } switch (E.value.inline_align & INLINE_ALIGNMENT_IMAGE_MASK) { case INLINE_ALIGNMENT_BOTTOM_TO: { E.value.rect.position.x -= E.value.rect.size.x; } break; case INLINE_ALIGNMENT_CENTER_TO: { E.value.rect.position.x -= E.value.rect.size.x / 2; } break; case INLINE_ALIGNMENT_TOP_TO: { // NOP } break; } full_ascent = MAX(full_ascent, -E.value.rect.position.x); full_descent = MAX(full_descent, E.value.rect.position.x + E.value.rect.size.x); } } sd->ascent = full_ascent; sd->descent = full_descent; sd->valid = true; return sd->valid; } bool TextServerFallback::shaped_text_is_ready(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, false); MutexLock lock(sd->mutex); return sd->valid; } const Glyph *TextServerFallback::shaped_text_get_glyphs(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, nullptr); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return sd->glyphs.ptr(); } int TextServerFallback::shaped_text_get_glyph_count(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return sd->glyphs.size(); } const Glyph *TextServerFallback::shaped_text_sort_logical(RID p_shaped) { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, nullptr); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return sd->glyphs.ptr(); // Already in the logical order, return as is. } Vector2i TextServerFallback::shaped_text_get_range(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, Vector2i()); MutexLock lock(sd->mutex); return Vector2(sd->start, sd->end); } Array TextServerFallback::shaped_text_get_objects(RID p_shaped) const { Array ret; const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, ret); MutexLock lock(sd->mutex); for (const KeyValue &E : sd->objects) { ret.push_back(E.key); } return ret; } Rect2 TextServerFallback::shaped_text_get_object_rect(RID p_shaped, Variant p_key) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, Rect2()); MutexLock lock(sd->mutex); ERR_FAIL_COND_V(!sd->objects.has(p_key), Rect2()); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return sd->objects[p_key].rect; } Size2 TextServerFallback::shaped_text_get_size(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, Size2()); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } if (sd->orientation == TextServer::ORIENTATION_HORIZONTAL) { return Size2(sd->width, sd->ascent + sd->descent).ceil(); } else { return Size2(sd->ascent + sd->descent, sd->width).ceil(); } } float TextServerFallback::shaped_text_get_ascent(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0.f); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return sd->ascent; } float TextServerFallback::shaped_text_get_descent(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0.f); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return sd->descent; } float TextServerFallback::shaped_text_get_width(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0.f); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return Math::ceil(sd->width); } float TextServerFallback::shaped_text_get_underline_position(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0.f); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return sd->upos; } float TextServerFallback::shaped_text_get_underline_thickness(RID p_shaped) const { const ShapedTextDataFallback *sd = shaped_owner.get_or_null(p_shaped); ERR_FAIL_COND_V(!sd, 0.f); MutexLock lock(sd->mutex); if (!sd->valid) { const_cast(this)->shaped_text_shape(p_shaped); } return sd->uthk; } String TextServerFallback::string_to_upper(const String &p_string, const String &p_language) const { String upper = p_string; for (int i = 0; i < upper.size(); i++) { const char32_t s = upper[i]; const char32_t t = _find_upper(s); if (s != t) { // avoid copy on write upper[i] = t; } } return upper; } String TextServerFallback::string_to_lower(const String &p_string, const String &p_language) const { String lower = p_string; for (int i = 0; i < lower.size(); i++) { const char32_t s = lower[i]; const char32_t t = _find_lower(s); if (s != t) { // avoid copy on write lower[i] = t; } } return lower; } TextServerFallback::TextServerFallback() { _insert_feature_sets(); }; TextServerFallback::~TextServerFallback() { #ifdef MODULE_FREETYPE_ENABLED if (library != nullptr) { FT_Done_FreeType(library); } #endif };