godotengine/godot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
7c3c5603d0
godot/scene/resources/text_paragraph.cpp

739 lines
30 KiB
C++
Raw Blame History

/*************************************************************************/
/* text_paragraph.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 "scene/resources/text_paragraph.h"
void TextParagraph::_bind_methods() {
ClassDB::bind_method(D_METHOD("clear"), &TextParagraph::clear);
ClassDB::bind_method(D_METHOD("set_direction", "direction"), &TextParagraph::set_direction);
ClassDB::bind_method(D_METHOD("get_direction"), &TextParagraph::get_direction);
ADD_PROPERTY(PropertyInfo(Variant::INT, "direction", PROPERTY_HINT_ENUM, "Auto,Light-to-right,Right-to-left"), "set_direction", "get_direction");
ClassDB::bind_method(D_METHOD("set_orientation", "orientation"), &TextParagraph::set_orientation);
ClassDB::bind_method(D_METHOD("get_orientation"), &TextParagraph::get_orientation);
ADD_PROPERTY(PropertyInfo(Variant::INT, "orientation", PROPERTY_HINT_ENUM, "Horizontal,Orientation"), "set_orientation", "get_orientation");
ClassDB::bind_method(D_METHOD("set_preserve_invalid", "enabled"), &TextParagraph::set_preserve_invalid);
ClassDB::bind_method(D_METHOD("get_preserve_invalid"), &TextParagraph::get_preserve_invalid);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "preserve_invalid"), "set_preserve_invalid", "get_preserve_invalid");
ClassDB::bind_method(D_METHOD("set_preserve_control", "enabled"), &TextParagraph::set_preserve_control);
ClassDB::bind_method(D_METHOD("get_preserve_control"), &TextParagraph::get_preserve_control);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "preserve_control"), "set_preserve_control", "get_preserve_control");
ClassDB::bind_method(D_METHOD("set_bidi_override", "override"), &TextParagraph::_set_bidi_override);
ClassDB::bind_method(D_METHOD("set_dropcap", "text", "fonts", "size", "dropcap_margins", "opentype_features", "language"), &TextParagraph::set_dropcap, DEFVAL(Rect2()), DEFVAL(Dictionary()), DEFVAL(""));
ClassDB::bind_method(D_METHOD("clear_dropcap"), &TextParagraph::clear_dropcap);
ClassDB::bind_method(D_METHOD("add_string", "text", "fonts", "size", "opentype_features", "language"), &TextParagraph::add_string, DEFVAL(Dictionary()), DEFVAL(""));
ClassDB::bind_method(D_METHOD("add_object", "key", "size", "inline_align", "length"), &TextParagraph::add_object, DEFVAL(INLINE_ALIGN_CENTER), DEFVAL(1));
ClassDB::bind_method(D_METHOD("resize_object", "key", "size", "inline_align"), &TextParagraph::resize_object, DEFVAL(INLINE_ALIGN_CENTER));
ClassDB::bind_method(D_METHOD("set_align", "align"), &TextParagraph::set_align);
ClassDB::bind_method(D_METHOD("get_align"), &TextParagraph::get_align);
ADD_PROPERTY(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_align", "get_align");
ClassDB::bind_method(D_METHOD("tab_align", "tab_stops"), &TextParagraph::tab_align);
ClassDB::bind_method(D_METHOD("set_flags", "flags"), &TextParagraph::set_flags);
ClassDB::bind_method(D_METHOD("get_flags"), &TextParagraph::get_flags);
ADD_PROPERTY(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Kashida Justify,Word Justify,Trim Edge Spaces After Justify,Justify Only After Last Tab,Break Mandatory,Break Words,Break Graphemes"), "set_flags", "get_flags");
ClassDB::bind_method(D_METHOD("set_width", "width"), &TextParagraph::set_width);
ClassDB::bind_method(D_METHOD("get_width"), &TextParagraph::get_width);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "width"), "set_width", "get_width");
ClassDB::bind_method(D_METHOD("get_non_wraped_size"), &TextParagraph::get_non_wraped_size);
ClassDB::bind_method(D_METHOD("get_size"), &TextParagraph::get_size);
ClassDB::bind_method(D_METHOD("get_rid"), &TextParagraph::get_rid);
ClassDB::bind_method(D_METHOD("get_line_rid", "line"), &TextParagraph::get_line_rid);
ClassDB::bind_method(D_METHOD("get_dropcap_rid"), &TextParagraph::get_dropcap_rid);
ClassDB::bind_method(D_METHOD("get_line_count"), &TextParagraph::get_line_count);
ClassDB::bind_method(D_METHOD("get_line_objects", "line"), &TextParagraph::get_line_objects);
ClassDB::bind_method(D_METHOD("get_line_object_rect", "line", "key"), &TextParagraph::get_line_object_rect);
ClassDB::bind_method(D_METHOD("get_line_size", "line"), &TextParagraph::get_line_size);
ClassDB::bind_method(D_METHOD("get_line_range", "line"), &TextParagraph::get_line_range);
ClassDB::bind_method(D_METHOD("get_line_ascent", "line"), &TextParagraph::get_line_ascent);
ClassDB::bind_method(D_METHOD("get_line_descent", "line"), &TextParagraph::get_line_descent);
ClassDB::bind_method(D_METHOD("get_line_width", "line"), &TextParagraph::get_line_width);
ClassDB::bind_method(D_METHOD("get_line_underline_position", "line"), &TextParagraph::get_line_underline_position);
ClassDB::bind_method(D_METHOD("get_line_underline_thickness", "line"), &TextParagraph::get_line_underline_thickness);
ClassDB::bind_method(D_METHOD("get_spacing_top"), &TextParagraph::get_spacing_top);
ClassDB::bind_method(D_METHOD("get_spacing_bottom"), &TextParagraph::get_spacing_bottom);
ClassDB::bind_method(D_METHOD("get_dropcap_size"), &TextParagraph::get_dropcap_size);
ClassDB::bind_method(D_METHOD("get_dropcap_lines"), &TextParagraph::get_dropcap_lines);
ClassDB::bind_method(D_METHOD("draw", "canvas", "pos", "color", "dc_color"), &TextParagraph::draw, DEFVAL(Color(1, 1, 1)), DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("draw_outline", "canvas", "pos", "outline_size", "color", "dc_color"), &TextParagraph::draw_outline, DEFVAL(1), DEFVAL(Color(1, 1, 1)), DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("draw_line", "canvas", "pos", "line", "color"), &TextParagraph::draw_line, DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("draw_line_outline", "canvas", "pos", "line", "outline_size", "color"), &TextParagraph::draw_line_outline, DEFVAL(1), DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("draw_dropcap", "canvas", "pos", "color"), &TextParagraph::draw_dropcap, DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("draw_dropcap_outline", "canvas", "pos", "outline_size", "color"), &TextParagraph::draw_dropcap_outline, DEFVAL(1), DEFVAL(Color(1, 1, 1)));
ClassDB::bind_method(D_METHOD("hit_test", "coords"), &TextParagraph::hit_test);
}
void TextParagraph::_shape_lines() {
if (dirty_lines) {
for (int i = 0; i < lines.size(); i++) {
TS->free(lines[i]);
}
lines.clear();
if (!tab_stops.is_empty()) {
TS->shaped_text_tab_align(rid, tab_stops);
}
float h_offset = 0.f;
float v_offset = 0.f;
int start = 0;
dropcap_lines = 0;
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
h_offset = TS->shaped_text_get_size(dropcap_rid).x + dropcap_margins.size.x + dropcap_margins.position.x;
v_offset = TS->shaped_text_get_size(dropcap_rid).y + dropcap_margins.size.y + dropcap_margins.position.y;
} else {
h_offset = TS->shaped_text_get_size(dropcap_rid).y + dropcap_margins.size.y + dropcap_margins.position.y;
v_offset = TS->shaped_text_get_size(dropcap_rid).x + dropcap_margins.size.x + dropcap_margins.position.x;
}
if (h_offset > 0) {
// Dropcap, flow around.
Vector<Vector2i> line_breaks = TS->shaped_text_get_line_breaks(rid, width - h_offset, 0, flags);
for (int i = 0; i < line_breaks.size(); i++) {
RID line = TS->shaped_text_substr(rid, line_breaks[i].x, line_breaks[i].y - line_breaks[i].x);
float h = (TS->shaped_text_get_orientation(line) == TextServer::ORIENTATION_HORIZONTAL) ? TS->shaped_text_get_size(line).y : TS->shaped_text_get_size(line).x;
if (v_offset < h) {
TS->free(line);
break;
}
if (!tab_stops.is_empty()) {
TS->shaped_text_tab_align(line, tab_stops);
}
if (align == HALIGN_FILL && (line_breaks.size() == 1 || i < line_breaks.size() - 1)) {
TS->shaped_text_fit_to_width(line, width - h_offset, flags);
}
dropcap_lines++;
v_offset -= h;
start = line_breaks[i].y;
lines.push_back(line);
}
}
// Use fixed for the rest of lines.
Vector<Vector2i> line_breaks = TS->shaped_text_get_line_breaks(rid, width, start, flags);
for (int i = 0; i < line_breaks.size(); i++) {
RID line = TS->shaped_text_substr(rid, line_breaks[i].x, line_breaks[i].y - line_breaks[i].x);
if (!tab_stops.is_empty()) {
TS->shaped_text_tab_align(line, tab_stops);
}
if (align == HALIGN_FILL && (line_breaks.size() == 1 || i < line_breaks.size() - 1)) {
TS->shaped_text_fit_to_width(line, width, flags);
}
lines.push_back(line);
}
dirty_lines = false;
}
}
RID TextParagraph::get_rid() const {
return rid;
}
RID TextParagraph::get_line_rid(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), RID());
return lines[p_line];
}
RID TextParagraph::get_dropcap_rid() const {
return dropcap_rid;
}
void TextParagraph::clear() {
spacing_top = 0;
spacing_bottom = 0;
for (int i = 0; i < lines.size(); i++) {
TS->free(lines[i]);
}
lines.clear();
TS->shaped_text_clear(rid);
TS->shaped_text_clear(dropcap_rid);
}
void TextParagraph::set_preserve_invalid(bool p_enabled) {
TS->shaped_text_set_preserve_invalid(rid, p_enabled);
TS->shaped_text_set_preserve_invalid(dropcap_rid, p_enabled);
dirty_lines = true;
}
bool TextParagraph::get_preserve_invalid() const {
return TS->shaped_text_get_preserve_invalid(rid);
}
void TextParagraph::set_preserve_control(bool p_enabled) {
TS->shaped_text_set_preserve_control(rid, p_enabled);
TS->shaped_text_set_preserve_control(dropcap_rid, p_enabled);
dirty_lines = true;
}
bool TextParagraph::get_preserve_control() const {
return TS->shaped_text_get_preserve_control(rid);
}
void TextParagraph::set_direction(TextServer::Direction p_direction) {
TS->shaped_text_set_direction(rid, p_direction);
TS->shaped_text_set_direction(dropcap_rid, p_direction);
dirty_lines = true;
}
TextServer::Direction TextParagraph::get_direction() const {
const_cast<TextParagraph *>(this)->_shape_lines();
return TS->shaped_text_get_direction(rid);
}
void TextParagraph::set_orientation(TextServer::Orientation p_orientation) {
TS->shaped_text_set_orientation(rid, p_orientation);
TS->shaped_text_set_orientation(dropcap_rid, p_orientation);
dirty_lines = true;
}
TextServer::Orientation TextParagraph::get_orientation() const {
const_cast<TextParagraph *>(this)->_shape_lines();
return TS->shaped_text_get_orientation(rid);
}
bool TextParagraph::set_dropcap(const String &p_text, const Ref<Font> &p_fonts, int p_size, const Rect2 &p_dropcap_margins, const Dictionary &p_opentype_features, const String &p_language) {
ERR_FAIL_COND_V(p_fonts.is_null(), false);
TS->shaped_text_clear(dropcap_rid);
dropcap_margins = p_dropcap_margins;
bool res = TS->shaped_text_add_string(dropcap_rid, p_text, p_fonts->get_rids(), p_size, p_opentype_features, p_language);
dirty_lines = true;
return res;
}
void TextParagraph::clear_dropcap() {
dropcap_margins = Rect2();
TS->shaped_text_clear(dropcap_rid);
dirty_lines = true;
}
bool TextParagraph::add_string(const String &p_text, const Ref<Font> &p_fonts, int p_size, const Dictionary &p_opentype_features, const String &p_language) {
ERR_FAIL_COND_V(p_fonts.is_null(), false);
bool res = TS->shaped_text_add_string(rid, p_text, p_fonts->get_rids(), p_size, p_opentype_features, p_language);
spacing_top = p_fonts->get_spacing(Font::SPACING_TOP);
spacing_bottom = p_fonts->get_spacing(Font::SPACING_BOTTOM);
dirty_lines = true;
return res;
}
int TextParagraph::get_spacing_top() const {
return spacing_top;
}
int TextParagraph::get_spacing_bottom() const {
return spacing_bottom;
}
void TextParagraph::_set_bidi_override(const Array &p_override) {
Vector<Vector2i> overrides;
for (int i = 0; i < p_override.size(); i++) {
overrides.push_back(p_override[i]);
}
set_bidi_override(overrides);
}
void TextParagraph::set_bidi_override(const Vector<Vector2i> &p_override) {
TS->shaped_text_set_bidi_override(rid, p_override);
dirty_lines = true;
}
bool TextParagraph::add_object(Variant p_key, const Size2 &p_size, InlineAlign p_inline_align, int p_length) {
bool res = TS->shaped_text_add_object(rid, p_key, p_size, p_inline_align, p_length);
dirty_lines = true;
return res;
}
bool TextParagraph::resize_object(Variant p_key, const Size2 &p_size, InlineAlign p_inline_align) {
bool res = TS->shaped_text_resize_object(rid, p_key, p_size, p_inline_align);
dirty_lines = true;
return res;
}
void TextParagraph::set_align(HAlign p_align) {
if (align != p_align) {
if (align == HALIGN_FILL || p_align == HALIGN_FILL) {
align = p_align;
dirty_lines = true;
} else {
align = p_align;
}
}
}
HAlign TextParagraph::get_align() const {
return align;
}
void TextParagraph::tab_align(const Vector<float> &p_tab_stops) {
tab_stops = p_tab_stops;
dirty_lines = true;
}
void TextParagraph::set_flags(uint8_t p_flags) {
if (flags != p_flags) {
flags = p_flags;
dirty_lines = true;
}
}
uint8_t TextParagraph::get_flags() const {
return flags;
}
void TextParagraph::set_width(float p_width) {
if (width != p_width) {
width = p_width;
dirty_lines = true;
}
}
float TextParagraph::get_width() const {
return width;
}
Size2 TextParagraph::get_non_wraped_size() const {
const_cast<TextParagraph *>(this)->_shape_lines();
if (TS->shaped_text_get_orientation(rid) == TextServer::ORIENTATION_HORIZONTAL) {
return Size2(TS->shaped_text_get_size(rid).x, TS->shaped_text_get_size(rid).y + spacing_top + spacing_bottom);
} else {
return Size2(TS->shaped_text_get_size(rid).x + spacing_top + spacing_bottom, TS->shaped_text_get_size(rid).y);
}
}
Size2 TextParagraph::get_size() const {
const_cast<TextParagraph *>(this)->_shape_lines();
Size2 size;
for (int i = 0; i < lines.size(); i++) {
Size2 lsize = TS->shaped_text_get_size(lines[i]);
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
size.x = MAX(size.x, lsize.x);
size.y += lsize.y + spacing_top + spacing_bottom;
} else {
size.x += lsize.x + spacing_top + spacing_bottom;
size.y = MAX(size.y, lsize.y);
}
}
return size;
}
int TextParagraph::get_line_count() const {
const_cast<TextParagraph *>(this)->_shape_lines();
return lines.size();
}
Array TextParagraph::get_line_objects(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), Array());
return TS->shaped_text_get_objects(lines[p_line]);
}
Rect2 TextParagraph::get_line_object_rect(int p_line, Variant p_key) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), Rect2());
Rect2 xrect = TS->shaped_text_get_object_rect(lines[p_line], p_key);
for (int i = 0; i < p_line; i++) {
Size2 lsize = TS->shaped_text_get_size(lines[i]);
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
xrect.position.y += lsize.y + spacing_top + spacing_bottom;
} else {
xrect.position.x += lsize.x + spacing_top + spacing_bottom;
}
}
return xrect;
}
Size2 TextParagraph::get_line_size(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), Size2());
if (TS->shaped_text_get_orientation(lines[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
return Size2(TS->shaped_text_get_size(lines[p_line]).x, TS->shaped_text_get_size(lines[p_line]).y + spacing_top + spacing_bottom);
} else {
return Size2(TS->shaped_text_get_size(lines[p_line]).x + spacing_top + spacing_bottom, TS->shaped_text_get_size(lines[p_line]).y);
}
}
Vector2i TextParagraph::get_line_range(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), Vector2i());
return TS->shaped_text_get_range(lines[p_line]);
}
float TextParagraph::get_line_ascent(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
}
float TextParagraph::get_line_descent(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_descent(lines[p_line]) + spacing_bottom;
}
float TextParagraph::get_line_width(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_width(lines[p_line]);
}
float TextParagraph::get_line_underline_position(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_underline_position(lines[p_line]);
}
float TextParagraph::get_line_underline_thickness(int p_line) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND_V(p_line < 0 || p_line >= lines.size(), 0.f);
return TS->shaped_text_get_underline_thickness(lines[p_line]);
}
Size2 TextParagraph::get_dropcap_size() const {
return TS->shaped_text_get_size(dropcap_rid) + dropcap_margins.size + dropcap_margins.position;
}
int TextParagraph::get_dropcap_lines() const {
return dropcap_lines;
}
void TextParagraph::draw(RID p_canvas, const Vector2 &p_pos, const Color &p_color, const Color &p_dc_color) const {
const_cast<TextParagraph *>(this)->_shape_lines();
Vector2 ofs = p_pos;
float h_offset = 0.f;
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
h_offset = TS->shaped_text_get_size(dropcap_rid).x + dropcap_margins.size.x + dropcap_margins.position.x;
} else {
h_offset = TS->shaped_text_get_size(dropcap_rid).y + dropcap_margins.size.y + dropcap_margins.position.y;
}
if (h_offset > 0) {
// Draw dropcap.
Vector2 dc_off = ofs;
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_RTL) {
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
dc_off.x += width - h_offset;
} else {
dc_off.y += width - h_offset;
}
}
TS->shaped_text_draw(dropcap_rid, p_canvas, dc_off + Vector2(0, TS->shaped_text_get_ascent(dropcap_rid) + dropcap_margins.size.y + dropcap_margins.position.y / 2), -1, -1, p_dc_color);
}
for (int i = 0; i < lines.size(); i++) {
float l_width = width;
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x = p_pos.x;
ofs.y += TS->shaped_text_get_ascent(lines[i]) + spacing_top;
if (i <= dropcap_lines) {
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_LTR) {
ofs.x -= h_offset;
}
l_width -= h_offset;
}
} else {
ofs.y = p_pos.y;
ofs.x += TS->shaped_text_get_ascent(lines[i]) + spacing_top;
if (i <= dropcap_lines) {
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_LTR) {
ofs.x -= h_offset;
}
l_width -= h_offset;
}
}
float length = TS->shaped_text_get_width(lines[i]);
if (width > 0) {
switch (align) {
case HALIGN_FILL:
case HALIGN_LEFT:
break;
case HALIGN_CENTER: {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += Math::floor((l_width - length) / 2.0);
} else {
ofs.y += Math::floor((l_width - length) / 2.0);
}
} break;
case HALIGN_RIGHT: {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += l_width - length;
} else {
ofs.y += l_width - length;
}
} break;
}
}
float clip_l;
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
clip_l = MAX(0, p_pos.x - ofs.x);
} else {
clip_l = MAX(0, p_pos.y - ofs.y);
}
TS->shaped_text_draw(lines[i], p_canvas, ofs, clip_l, clip_l + l_width, p_color);
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x = p_pos.x;
ofs.y += TS->shaped_text_get_descent(lines[i]) + spacing_bottom;
} else {
ofs.y = p_pos.y;
ofs.x += TS->shaped_text_get_descent(lines[i]) + spacing_bottom;
}
}
}
void TextParagraph::draw_outline(RID p_canvas, const Vector2 &p_pos, int p_outline_size, const Color &p_color, const Color &p_dc_color) const {
const_cast<TextParagraph *>(this)->_shape_lines();
Vector2 ofs = p_pos;
float h_offset = 0.f;
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
h_offset = TS->shaped_text_get_size(dropcap_rid).x + dropcap_margins.size.x + dropcap_margins.position.x;
} else {
h_offset = TS->shaped_text_get_size(dropcap_rid).y + dropcap_margins.size.y + dropcap_margins.position.y;
}
if (h_offset > 0) {
// Draw dropcap.
Vector2 dc_off = ofs;
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_RTL) {
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
dc_off.x += width - h_offset;
} else {
dc_off.y += width - h_offset;
}
}
TS->shaped_text_draw_outline(dropcap_rid, p_canvas, dc_off + Vector2(dropcap_margins.position.x, TS->shaped_text_get_ascent(dropcap_rid) + dropcap_margins.position.y), -1, -1, p_outline_size, p_dc_color);
}
for (int i = 0; i < lines.size(); i++) {
float l_width = width;
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x = p_pos.x;
ofs.y += TS->shaped_text_get_ascent(lines[i]) + spacing_top;
if (i <= dropcap_lines) {
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_LTR) {
ofs.x -= h_offset;
}
l_width -= h_offset;
}
} else {
ofs.y = p_pos.y;
ofs.x += TS->shaped_text_get_ascent(lines[i]) + spacing_top;
if (i <= dropcap_lines) {
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_LTR) {
ofs.x -= h_offset;
}
l_width -= h_offset;
}
}
float length = TS->shaped_text_get_width(lines[i]);
if (width > 0) {
switch (align) {
case HALIGN_FILL:
case HALIGN_LEFT:
break;
case HALIGN_CENTER: {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += Math::floor((l_width - length) / 2.0);
} else {
ofs.y += Math::floor((l_width - length) / 2.0);
}
} break;
case HALIGN_RIGHT: {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += l_width - length;
} else {
ofs.y += l_width - length;
}
} break;
}
}
float clip_l;
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
clip_l = MAX(0, p_pos.x - ofs.x);
} else {
clip_l = MAX(0, p_pos.y - ofs.y);
}
TS->shaped_text_draw_outline(lines[i], p_canvas, ofs, clip_l, clip_l + l_width, p_outline_size, p_color);
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x = p_pos.x;
ofs.y += TS->shaped_text_get_descent(lines[i]) + spacing_bottom;
} else {
ofs.y = p_pos.y;
ofs.x += TS->shaped_text_get_descent(lines[i]) + spacing_bottom;
}
}
}
int TextParagraph::hit_test(const Point2 &p_coords) const {
const_cast<TextParagraph *>(this)->_shape_lines();
Vector2 ofs;
if (TS->shaped_text_get_orientation(rid) == TextServer::ORIENTATION_HORIZONTAL) {
if (ofs.y < 0) {
return 0;
}
} else {
if (ofs.x < 0) {
return 0;
}
}
for (int i = 0; i < lines.size(); i++) {
if (TS->shaped_text_get_orientation(lines[i]) == TextServer::ORIENTATION_HORIZONTAL) {
if ((p_coords.y >= ofs.y) && (p_coords.y <= ofs.y + TS->shaped_text_get_size(lines[i]).y)) {
return TS->shaped_text_hit_test_position(lines[i], p_coords.x);
}
ofs.y += TS->shaped_text_get_size(lines[i]).y + spacing_bottom + spacing_top;
} else {
if ((p_coords.x >= ofs.x) && (p_coords.x <= ofs.x + TS->shaped_text_get_size(lines[i]).x)) {
return TS->shaped_text_hit_test_position(lines[i], p_coords.y);
}
ofs.y += TS->shaped_text_get_size(lines[i]).x + spacing_bottom + spacing_top;
}
}
return TS->shaped_text_get_range(rid).y;
}
void TextParagraph::draw_dropcap(RID p_canvas, const Vector2 &p_pos, const Color &p_color) const {
Vector2 ofs = p_pos;
float h_offset = 0.f;
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
h_offset = TS->shaped_text_get_size(dropcap_rid).x + dropcap_margins.size.x + dropcap_margins.position.x;
} else {
h_offset = TS->shaped_text_get_size(dropcap_rid).y + dropcap_margins.size.y + dropcap_margins.position.y;
}
if (h_offset > 0) {
// Draw dropcap.
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_RTL) {
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += width - h_offset;
} else {
ofs.y += width - h_offset;
}
}
TS->shaped_text_draw(dropcap_rid, p_canvas, ofs + Vector2(dropcap_margins.position.x, TS->shaped_text_get_ascent(dropcap_rid) + dropcap_margins.position.y), -1, -1, p_color);
}
}
void TextParagraph::draw_dropcap_outline(RID p_canvas, const Vector2 &p_pos, int p_outline_size, const Color &p_color) const {
Vector2 ofs = p_pos;
float h_offset = 0.f;
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
h_offset = TS->shaped_text_get_size(dropcap_rid).x + dropcap_margins.size.x + dropcap_margins.position.x;
} else {
h_offset = TS->shaped_text_get_size(dropcap_rid).y + dropcap_margins.size.y + dropcap_margins.position.y;
}
if (h_offset > 0) {
// Draw dropcap.
if (TS->shaped_text_get_direction(dropcap_rid) == TextServer::DIRECTION_RTL) {
if (TS->shaped_text_get_orientation(dropcap_rid) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.x += width - h_offset;
} else {
ofs.y += width - h_offset;
}
}
TS->shaped_text_draw_outline(dropcap_rid, p_canvas, ofs + Vector2(dropcap_margins.position.x, TS->shaped_text_get_ascent(dropcap_rid) + dropcap_margins.position.y), -1, -1, p_outline_size, p_color);
}
}
void TextParagraph::draw_line(RID p_canvas, const Vector2 &p_pos, int p_line, const Color &p_color) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND(p_line < 0 || p_line >= lines.size());
Vector2 ofs = p_pos;
if (TS->shaped_text_get_orientation(lines[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.y += TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
} else {
ofs.x += TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
}
return TS->shaped_text_draw(lines[p_line], p_canvas, ofs, -1, -1, p_color);
}
void TextParagraph::draw_line_outline(RID p_canvas, const Vector2 &p_pos, int p_line, int p_outline_size, const Color &p_color) const {
const_cast<TextParagraph *>(this)->_shape_lines();
ERR_FAIL_COND(p_line < 0 || p_line >= lines.size());
Vector2 ofs = p_pos;
if (TS->shaped_text_get_orientation(lines[p_line]) == TextServer::ORIENTATION_HORIZONTAL) {
ofs.y += TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
} else {
ofs.x += TS->shaped_text_get_ascent(lines[p_line]) + spacing_top;
}
return TS->shaped_text_draw_outline(lines[p_line], p_canvas, ofs, -1, -1, p_outline_size, p_color);
}
TextParagraph::TextParagraph(const String &p_text, const Ref<Font> &p_fonts, int p_size, const Dictionary &p_opentype_features, const String &p_language, float p_width, TextServer::Direction p_direction, TextServer::Orientation p_orientation) {
rid = TS->create_shaped_text(p_direction, p_orientation);
TS->shaped_text_add_string(rid, p_text, p_fonts->get_rids(), p_size, p_opentype_features, p_language);
spacing_top = p_fonts->get_spacing(Font::SPACING_TOP);
spacing_bottom = p_fonts->get_spacing(Font::SPACING_BOTTOM);
width = p_width;
}
TextParagraph::TextParagraph() {
rid = TS->create_shaped_text();
dropcap_rid = TS->create_shaped_text();
}
TextParagraph::~TextParagraph() {
for (int i = 0; i < lines.size(); i++) {
TS->free(lines[i]);
}
lines.clear();
TS->free(rid);
TS->free(dropcap_rid);
}
Reference in New Issue View Git Blame Copy Permalink