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godot/modules/text_server_fb/text_server_fb.cpp

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/*************************************************************************/
/* text_server_fb.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 "text_server_fb.h"
#include "bitmap_font_fb.h"
#include "dynamic_font_fb.h"
_FORCE_INLINE_ bool is_control(char32_t p_char) {
return (p_char <= 0x001f) || (p_char >= 0x007f && p_char <= 0x009F);
}
_FORCE_INLINE_ bool is_whitespace(char32_t p_char) {
return (p_char == 0x0020) || (p_char == 0x00A0) || (p_char == 0x1680) || (p_char >= 0x2000 && p_char <= 0x200a) || (p_char == 0x202f) || (p_char == 0x205f) || (p_char == 0x3000) || (p_char == 0x2028) || (p_char == 0x2029) || (p_char >= 0x0009 && p_char <= 0x000d) || (p_char == 0x0085);
}
_FORCE_INLINE_ bool is_linebreak(char32_t p_char) {
return (p_char >= 0x000a && p_char <= 0x000d) || (p_char == 0x0085) || (p_char == 0x2028) || (p_char == 0x2029);
}
_FORCE_INLINE_ bool is_punct(char32_t p_char) {
return (p_char >= 0x0020 && p_char <= 0x002F) || (p_char >= 0x003A && p_char <= 0x0040) || (p_char >= 0x005B && p_char <= 0x0060) || (p_char >= 0x007B && p_char <= 0x007E) || (p_char >= 0x2000 && p_char <= 0x206F) || (p_char >= 0x3000 && p_char <= 0x303F);
}
/*************************************************************************/
String TextServerFallback::interface_name = "Fallback";
uint32_t TextServerFallback::interface_features = 0; // Nothing is supported.
bool TextServerFallback::has_feature(Feature p_feature) {
return (interface_features & p_feature) == p_feature;
}
String TextServerFallback::get_name() const {
return interface_name;
}
void TextServerFallback::free(RID p_rid) {
_THREAD_SAFE_METHOD_
if (font_owner.owns(p_rid)) {
FontDataFallback *fd = font_owner.getornull(p_rid);
font_owner.free(p_rid);
memdelete(fd);
} else if (shaped_owner.owns(p_rid)) {
ShapedTextData *sd = shaped_owner.getornull(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.
}
#ifdef TOOLS_ENABLED
bool TextServerFallback::save_support_data(const String &p_filename) {
return false; // No extra data used.
}
#endif
bool TextServerFallback::is_locale_right_to_left(const String &p_locale) {
return false; // No RTL support.
}
/*************************************************************************/
/* Font interface */
/*************************************************************************/
RID TextServerFallback::create_font_system(const String &p_name, int p_base_size) {
ERR_FAIL_V_MSG(RID(), "System fonts are not supported by this text server.");
}
RID TextServerFallback::create_font_resource(const String &p_filename, int p_base_size) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = nullptr;
if (p_filename.get_extension() == "ttf" || p_filename.get_extension() == "otf" || p_filename.get_extension() == "woff") {
fd = memnew(DynamicFontDataFallback);
} else if (p_filename.get_extension() == "fnt" || p_filename.get_extension() == "font") {
fd = memnew(BitmapFontDataFallback);
} else {
return RID();
}
Error err = fd->load_from_file(p_filename, p_base_size);
if (err != OK) {
memdelete(fd);
return RID();
}
return font_owner.make_rid(fd);
}
RID TextServerFallback::create_font_memory(const uint8_t *p_data, size_t p_size, const String &p_type, int p_base_size) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = nullptr;
if (p_type == "ttf" || p_type == "otf" || p_type == "woff") {
fd = memnew(DynamicFontDataFallback);
} else if (p_type == "fnt" || p_type == "font") {
fd = memnew(BitmapFontDataFallback);
} else {
return RID();
}
Error err = fd->load_from_memory(p_data, p_size, p_base_size);
if (err != OK) {
memdelete(fd);
return RID();
}
return font_owner.make_rid(fd);
}
RID TextServerFallback::create_font_bitmap(float p_height, float p_ascent, int p_base_size) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = memnew(BitmapFontDataFallback);
Error err = fd->bitmap_new(p_height, p_ascent, p_base_size);
if (err != OK) {
memdelete(fd);
return RID();
}
return font_owner.make_rid(fd);
}
void TextServerFallback::font_bitmap_add_texture(RID p_font, const Ref<Texture> &p_texture) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->bitmap_add_texture(p_texture);
}
void TextServerFallback::font_bitmap_add_char(RID p_font, char32_t p_char, int p_texture_idx, const Rect2 &p_rect, const Size2 &p_align, float p_advance) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->bitmap_add_char(p_char, p_texture_idx, p_rect, p_align, p_advance);
}
void TextServerFallback::font_bitmap_add_kerning_pair(RID p_font, char32_t p_A, char32_t p_B, int p_kerning) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->bitmap_add_kerning_pair(p_A, p_B, p_kerning);
}
float TextServerFallback::font_get_height(RID p_font, int p_size) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, 0.f);
return fd->get_height(p_size);
}
float TextServerFallback::font_get_ascent(RID p_font, int p_size) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, 0.f);
return fd->get_ascent(p_size);
}
float TextServerFallback::font_get_descent(RID p_font, int p_size) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, 0.f);
return fd->get_descent(p_size);
}
float TextServerFallback::font_get_underline_position(RID p_font, int p_size) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, 0.f);
return fd->get_underline_position(p_size);
}
float TextServerFallback::font_get_underline_thickness(RID p_font, int p_size) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, 0.f);
return fd->get_underline_thickness(p_size);
}
void TextServerFallback::font_set_antialiased(RID p_font, bool p_antialiased) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->set_antialiased(p_antialiased);
}
bool TextServerFallback::font_get_antialiased(RID p_font) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
return fd->get_antialiased();
}
void TextServerFallback::font_set_distance_field_hint(RID p_font, bool p_distance_field) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->set_distance_field_hint(p_distance_field);
}
bool TextServerFallback::font_get_distance_field_hint(RID p_font) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
return fd->get_distance_field_hint();
}
void TextServerFallback::font_set_hinting(RID p_font, TextServer::Hinting p_hinting) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->set_hinting(p_hinting);
}
TextServer::Hinting TextServerFallback::font_get_hinting(RID p_font) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, TextServer::HINTING_NONE);
return fd->get_hinting();
}
void TextServerFallback::font_set_force_autohinter(RID p_font, bool p_enabeld) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->set_force_autohinter(p_enabeld);
}
bool TextServerFallback::font_get_force_autohinter(RID p_font) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
return fd->get_force_autohinter();
}
bool TextServerFallback::font_has_char(RID p_font, char32_t p_char) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
return fd->has_char(p_char);
}
String TextServerFallback::font_get_supported_chars(RID p_font) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, String());
return fd->get_supported_chars();
}
bool TextServerFallback::font_has_outline(RID p_font) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
return fd->has_outline();
}
float TextServerFallback::font_get_base_size(RID p_font) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, 0.f);
return fd->get_base_size();
}
bool TextServerFallback::font_is_language_supported(RID p_font, const String &p_language) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
if (fd->lang_support_overrides.has(p_language)) {
return fd->lang_support_overrides[p_language];
} else {
Vector<String> tags = p_language.replace("-", "_").split("_");
if (tags.size() > 0) {
if (fd->lang_support_overrides.has(tags[0])) {
return fd->lang_support_overrides[tags[0]];
}
}
return false;
}
}
void TextServerFallback::font_set_language_support_override(RID p_font, const String &p_language, bool p_supported) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->lang_support_overrides[p_language] = p_supported;
}
bool TextServerFallback::font_get_language_support_override(RID p_font, const String &p_language) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
return fd->lang_support_overrides[p_language];
}
void TextServerFallback::font_remove_language_support_override(RID p_font, const String &p_language) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->lang_support_overrides.erase(p_language);
}
Vector<String> TextServerFallback::font_get_language_support_overrides(RID p_font) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, Vector<String>());
Vector<String> ret;
for (Map<String, bool>::Element *E = fd->lang_support_overrides.front(); E; E = E->next()) {
ret.push_back(E->key());
}
return ret;
}
bool TextServerFallback::font_is_script_supported(RID p_font, const String &p_script) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
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, const String &p_script, bool p_supported) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->script_support_overrides[p_script] = p_supported;
}
bool TextServerFallback::font_get_script_support_override(RID p_font, const String &p_script) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, false);
return fd->script_support_overrides[p_script];
}
void TextServerFallback::font_remove_script_support_override(RID p_font, const String &p_script) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND(!fd);
fd->script_support_overrides.erase(p_script);
}
Vector<String> TextServerFallback::font_get_script_support_overrides(RID p_font) {
_THREAD_SAFE_METHOD_
FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, Vector<String>());
Vector<String> ret;
for (Map<String, bool>::Element *E = fd->script_support_overrides.front(); E; E = E->next()) {
ret.push_back(E->key());
}
return ret;
}
uint32_t TextServerFallback::font_get_glyph_index(RID p_font, char32_t p_char, char32_t p_variation_selector) const {
return (uint32_t)p_char;
}
Vector2 TextServerFallback::font_get_glyph_advance(RID p_font, uint32_t p_index, int p_size) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, Vector2());
return fd->get_advance(p_index, p_size);
}
Vector2 TextServerFallback::font_get_glyph_kerning(RID p_font, uint32_t p_index_a, uint32_t p_index_b, int p_size) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, Vector2());
return fd->get_kerning(p_index_a, p_index_b, p_size);
}
Vector2 TextServerFallback::font_draw_glyph(RID p_font, RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, Vector2());
return fd->draw_glyph(p_canvas, p_size, p_pos, p_index, p_color);
}
Vector2 TextServerFallback::font_draw_glyph_outline(RID p_font, RID p_canvas, int p_size, int p_outline_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const {
_THREAD_SAFE_METHOD_
const FontDataFallback *fd = font_owner.getornull(p_font);
ERR_FAIL_COND_V(!fd, Vector2());
return fd->draw_glyph_outline(p_canvas, p_size, p_outline_size, p_pos, p_index, p_color);
}
float TextServerFallback::font_get_oversampling() const {
return oversampling;
}
void TextServerFallback::font_set_oversampling(float p_oversampling) {
_THREAD_SAFE_METHOD_
if (oversampling != p_oversampling) {
oversampling = p_oversampling;
List<RID> fonts;
font_owner.get_owned_list(&fonts);
for (List<RID>::Element *E = fonts.front(); E; E = E->next()) {
font_owner.getornull(E->get())->clear_cache();
}
}
}
Vector<String> TextServerFallback::get_system_fonts() const {
return Vector<String>();
}
/*************************************************************************/
/* Shaped text buffer interface */
/*************************************************************************/
void TextServerFallback::invalidate(ShapedTextData *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(ShapedTextData *p_shaped) {
ShapedTextData *parent = shaped_owner.getornull(p_shaped->parent);
for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = parent->objects.front(); E; E = E->next()) {
if (E->get().pos >= p_shaped->start && E->get().pos < p_shaped->end) {
p_shaped->objects[E->key()] = E->get();
}
}
for (int k = 0; k < parent->spans.size(); k++) {
ShapedTextData::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_
ShapedTextData *sd = memnew(ShapedTextData);
sd->direction = p_direction;
sd->orientation = p_orientation;
return shaped_owner.make_rid(sd);
}
void TextServerFallback::shaped_text_clear(RID p_shaped) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND(!sd);
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;
}
void TextServerFallback::shaped_text_set_orientation(RID p_shaped, TextServer::Orientation p_orientation) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND(!sd);
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 Vector<Vector2i> &p_override) {
//No BiDi support, ignore.
}
TextServer::Orientation TextServerFallback::shaped_text_get_orientation(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, TextServer::ORIENTATION_HORIZONTAL);
return sd->orientation;
}
void TextServerFallback::shaped_text_set_preserve_invalid(RID p_shaped, bool p_enabled) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
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 {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
return sd->preserve_invalid;
}
void TextServerFallback::shaped_text_set_preserve_control(RID p_shaped, bool p_enabled) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND(!sd);
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 {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
return sd->preserve_control;
}
bool TextServerFallback::shaped_text_add_string(RID p_shaped, const String &p_text, const Vector<RID> &p_fonts, int p_size, const Dictionary &p_opentype_features, const String &p_language) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
ERR_FAIL_COND_V(p_size <= 0, false);
if (p_text.is_empty()) {
return true;
}
if (sd->parent != RID()) {
full_copy(sd);
}
ShapedTextData::Span span;
span.start = sd->text.length();
span.end = span.start + p_text.length();
// Pre-sort fonts, push fonts with the language support first.
for (int i = 0; i < p_fonts.size(); i++) {
if (font_is_language_supported(p_fonts[i], p_language)) {
span.fonts.push_back(p_fonts[i]);
}
}
// Push the rest valid fonts.
for (int i = 0; i < p_fonts.size(); i++) {
if (!font_is_language_supported(p_fonts[i], p_language)) {
span.fonts.push_back(p_fonts[i]);
}
}
ERR_FAIL_COND_V(span.fonts.is_empty(), false);
span.font_size = p_size;
span.language = p_language;
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, VAlign p_inline_align, int p_length) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
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);
}
ShapedTextData::Span span;
span.start = sd->text.length();
span.end = span.start + p_length;
span.embedded_key = p_key;
ShapedTextData::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, VAlign p_inline_align) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
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();
const FontDataFallback *fd = nullptr;
RID prev_rid = RID();
for (int i = 0; i < sd_size; i++) {
Glyph gl = sd->glyphs[i];
Variant key;
if (gl.count == 1) {
for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) {
if (E->get().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;
switch (sd->objects[key].inline_align) {
case VALIGN_TOP: {
sd->ascent = MAX(sd->ascent, sd->objects[key].rect.size.y);
} break;
case VALIGN_CENTER: {
sd->ascent = MAX(sd->ascent, Math::round(sd->objects[key].rect.size.y / 2));
sd->descent = MAX(sd->descent, Math::round(sd->objects[key].rect.size.y / 2));
} break;
case VALIGN_BOTTOM: {
sd->descent = MAX(sd->descent, sd->objects[key].rect.size.y);
} break;
}
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;
switch (sd->objects[key].inline_align) {
case VALIGN_TOP: {
sd->ascent = MAX(sd->ascent, sd->objects[key].rect.size.x);
} break;
case VALIGN_CENTER: {
sd->ascent = MAX(sd->ascent, Math::round(sd->objects[key].rect.size.x / 2));
sd->descent = MAX(sd->descent, Math::round(sd->objects[key].rect.size.x / 2));
} break;
case VALIGN_BOTTOM: {
sd->descent = MAX(sd->descent, sd->objects[key].rect.size.x);
} break;
}
sd->glyphs.write[i].advance = sd->objects[key].rect.size.y;
}
} else {
if (prev_rid != gl.font_rid) {
fd = font_owner.getornull(gl.font_rid);
prev_rid = gl.font_rid;
}
if (fd != nullptr) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
sd->ascent = MAX(sd->ascent, fd->get_ascent(gl.font_size));
sd->descent = MAX(sd->descent, fd->get_descent(gl.font_size));
} else {
sd->ascent = MAX(sd->ascent, Math::round(fd->get_advance(gl.index, gl.font_size).x * 0.5));
sd->descent = MAX(sd->descent, Math::round(fd->get_advance(gl.index, gl.font_size).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, Math::round(get_hex_code_box_size(gl.font_size, gl.index).y * 0.75f));
sd->descent = MAX(sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).y * 0.25f));
} 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;
}
}
// Align embedded objects to baseline.
for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) {
if ((E->get().pos >= sd->start) && (E->get().pos < sd->end)) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
switch (E->get().inline_align) {
case VALIGN_TOP: {
E->get().rect.position.y = -sd->ascent;
} break;
case VALIGN_CENTER: {
E->get().rect.position.y = -(E->get().rect.size.y / 2);
} break;
case VALIGN_BOTTOM: {
E->get().rect.position.y = sd->descent - E->get().rect.size.y;
} break;
}
} else {
switch (E->get().inline_align) {
case VALIGN_TOP: {
E->get().rect.position.x = -sd->ascent;
} break;
case VALIGN_CENTER: {
E->get().rect.position.x = -(E->get().rect.size.x / 2);
} break;
case VALIGN_BOTTOM: {
E->get().rect.position.x = sd->descent - E->get().rect.size.x;
} break;
}
}
}
}
}
return true;
}
RID TextServerFallback::shaped_text_substr(RID p_shaped, int p_start, int p_length) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, RID());
if (sd->parent != RID()) {
return shaped_text_substr(sd->parent, p_start, p_length);
}
if (!sd->valid) {
const_cast<TextServerFallback *>(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());
ShapedTextData *new_sd = memnew(ShapedTextData);
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->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, 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 (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) {
if (E->get().pos == gl.start) {
find_embedded = true;
key = E->key();
new_sd->objects[key] = E->get();
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;
switch (new_sd->objects[key].inline_align) {
case VALIGN_TOP: {
new_sd->ascent = MAX(new_sd->ascent, new_sd->objects[key].rect.size.y);
} break;
case VALIGN_CENTER: {
new_sd->ascent = MAX(new_sd->ascent, Math::round(new_sd->objects[key].rect.size.y / 2));
new_sd->descent = MAX(new_sd->descent, Math::round(new_sd->objects[key].rect.size.y / 2));
} break;
case VALIGN_BOTTOM: {
new_sd->descent = MAX(new_sd->descent, new_sd->objects[key].rect.size.y);
} break;
}
} else {
new_sd->objects[key].rect.position.y = new_sd->width;
new_sd->width += new_sd->objects[key].rect.size.y;
switch (new_sd->objects[key].inline_align) {
case VALIGN_TOP: {
new_sd->ascent = MAX(new_sd->ascent, new_sd->objects[key].rect.size.x);
} break;
case VALIGN_CENTER: {
new_sd->ascent = MAX(new_sd->ascent, Math::round(new_sd->objects[key].rect.size.x / 2));
new_sd->descent = MAX(new_sd->descent, Math::round(new_sd->objects[key].rect.size.x / 2));
} break;
case VALIGN_BOTTOM: {
new_sd->descent = MAX(new_sd->descent, new_sd->objects[key].rect.size.x);
} break;
}
}
} else {
const FontDataFallback *fd = font_owner.getornull(gl.font_rid);
if (fd != nullptr) {
if (new_sd->orientation == ORIENTATION_HORIZONTAL) {
new_sd->ascent = MAX(new_sd->ascent, fd->get_ascent(gl.font_size));
new_sd->descent = MAX(new_sd->descent, fd->get_descent(gl.font_size));
} else {
new_sd->ascent = MAX(new_sd->ascent, Math::round(fd->get_advance(gl.index, gl.font_size).x * 0.5));
new_sd->descent = MAX(new_sd->descent, Math::round(fd->get_advance(gl.index, gl.font_size).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, Math::round(get_hex_code_box_size(gl.font_size, gl.index).y * 0.75f));
new_sd->descent = MAX(new_sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).y * 0.25f));
} 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);
}
}
for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = new_sd->objects.front(); E; E = E->next()) {
if ((E->get().pos >= new_sd->start) && (E->get().pos < new_sd->end)) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
switch (E->get().inline_align) {
case VALIGN_TOP: {
E->get().rect.position.y = -new_sd->ascent;
} break;
case VALIGN_CENTER: {
E->get().rect.position.y = -(E->get().rect.size.y / 2);
} break;
case VALIGN_BOTTOM: {
E->get().rect.position.y = new_sd->descent - E->get().rect.size.y;
} break;
}
} else {
switch (E->get().inline_align) {
case VALIGN_TOP: {
E->get().rect.position.x = -new_sd->ascent;
} break;
case VALIGN_CENTER: {
E->get().rect.position.x = -(E->get().rect.size.x / 2);
} break;
case VALIGN_BOTTOM: {
E->get().rect.position.x = new_sd->descent - E->get().rect.size.x;
} break;
}
}
}
}
}
new_sd->valid = true;
return shaped_owner.make_rid(new_sd);
}
RID TextServerFallback::shaped_text_get_parent(RID p_shaped) const {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, RID());
return sd->parent;
}
float TextServerFallback::shaped_text_fit_to_width(RID p_shaped, float p_width, uint8_t /*JustificationFlag*/ p_jst_flags) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, 0.f);
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
if (!sd->justification_ops_valid) {
const_cast<TextServerFallback *>(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;
}
}
}
}
if ((p_jst_flags & JUSTIFICATION_TRIM_EDGE_SPACES) == JUSTIFICATION_TRIM_EDGE_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)) {
sd->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)) {
sd->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;
}
}
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 - sd->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 = Math::round(MAX(gl.advance + delta_width_per_space, 0.05 * gl.font_size));
sd->width += (gl.advance - old_adv);
}
}
}
}
return sd->width;
}
float TextServerFallback::shaped_text_tab_align(RID p_shaped, const Vector<float> &p_tab_stops) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, 0.f);
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
if (!sd->line_breaks_valid) {
const_cast<TextServerFallback *>(this)->shaped_text_update_breaks(p_shaped);
}
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) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
if (!sd->valid) {
shaped_text_shape(p_shaped);
}
if (sd->line_breaks_valid) {
return true; // Noting to do.
}
int sd_size = sd->glyphs.size();
for (int i = 0; i < sd_size; i++) {
if (sd->glyphs[i].count > 0) {
char32_t c = sd->text[sd->glyphs[i].start];
if (is_punct(c)) {
sd->glyphs.write[i].flags |= GRAPHEME_IS_PUNCTUATION;
}
if (is_whitespace(c) && !is_linebreak(c)) {
sd->glyphs.write[i].flags |= GRAPHEME_IS_SPACE;
sd->glyphs.write[i].flags |= GRAPHEME_IS_BREAK_SOFT;
}
if (is_linebreak(c)) {
sd->glyphs.write[i].flags |= GRAPHEME_IS_BREAK_HARD;
}
if (c == 0x0009 || c == 0x000b) {
sd->glyphs.write[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) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
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;
}
bool TextServerFallback::shaped_text_shape(RID p_shaped) {
_THREAD_SAFE_METHOD_
ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
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 ShapedTextData::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;
switch (sd->objects[span.embedded_key].inline_align) {
case VALIGN_TOP: {
sd->ascent = MAX(sd->ascent, sd->objects[span.embedded_key].rect.size.y);
} break;
case VALIGN_CENTER: {
sd->ascent = MAX(sd->ascent, Math::round(sd->objects[span.embedded_key].rect.size.y / 2));
sd->descent = MAX(sd->descent, Math::round(sd->objects[span.embedded_key].rect.size.y / 2));
} break;
case VALIGN_BOTTOM: {
sd->descent = MAX(sd->descent, sd->objects[span.embedded_key].rect.size.y);
} break;
}
} else {
sd->objects[span.embedded_key].rect.position.y = sd->width;
sd->width += sd->objects[span.embedded_key].rect.size.y;
switch (sd->objects[span.embedded_key].inline_align) {
case VALIGN_TOP: {
sd->ascent = MAX(sd->ascent, sd->objects[span.embedded_key].rect.size.x);
} break;
case VALIGN_CENTER: {
sd->ascent = MAX(sd->ascent, Math::round(sd->objects[span.embedded_key].rect.size.x / 2));
sd->descent = MAX(sd->descent, Math::round(sd->objects[span.embedded_key].rect.size.x / 2));
} break;
case VALIGN_BOTTOM: {
sd->descent = MAX(sd->descent, sd->objects[span.embedded_key].rect.size.x);
} break;
}
}
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++) {
const FontDataFallback *fd = nullptr;
Glyph gl;
gl.start = j;
gl.end = j + 1;
gl.count = 1;
gl.font_size = span.font_size;
gl.index = (uint32_t)sd->text[j]; // 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++) {
fd = font_owner.getornull(span.fonts[k]);
if (fd != nullptr && fd->has_char(gl.index)) {
gl.font_rid = span.fonts[k];
break;
}
}
if (gl.font_rid != RID()) {
if (sd->text[j] != 0 && !is_linebreak(sd->text[j])) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
gl.advance = fd->get_advance(gl.index, gl.font_size).x;
gl.x_off = 0;
gl.y_off = 0;
sd->ascent = MAX(sd->ascent, fd->get_ascent(gl.font_size));
sd->descent = MAX(sd->descent, fd->get_descent(gl.font_size));
} else {
gl.advance = fd->get_advance(gl.index, gl.font_size).y;
gl.x_off = -Math::round(fd->get_advance(gl.index, gl.font_size).x * 0.5);
gl.y_off = fd->get_ascent(gl.font_size);
sd->ascent = MAX(sd->ascent, Math::round(fd->get_advance(gl.index, gl.font_size).x * 0.5));
sd->descent = MAX(sd->descent, Math::round(fd->get_advance(gl.index, gl.font_size).x * 0.5));
}
}
sd->upos = MAX(sd->upos, fd->get_underline_position(gl.font_size));
sd->uthk = MAX(sd->uthk, fd->get_underline_thickness(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 += fd->get_kerning(prev_gl.index, gl.index, gl.font_size).x;
} else {
prev_gl.advance += fd->get_kerning(prev_gl.index, gl.index, gl.font_size).y;
}
}
}
} 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, Math::round(get_hex_code_box_size(gl.font_size, gl.index).y * 0.75f));
sd->descent = MAX(sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).y * 0.25f));
} 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.
for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) {
if (sd->orientation == ORIENTATION_HORIZONTAL) {
switch (E->get().inline_align) {
case VALIGN_TOP: {
E->get().rect.position.y = -sd->ascent;
} break;
case VALIGN_CENTER: {
E->get().rect.position.y = -(E->get().rect.size.y / 2);
} break;
case VALIGN_BOTTOM: {
E->get().rect.position.y = sd->descent - E->get().rect.size.y;
} break;
}
} else {
switch (E->get().inline_align) {
case VALIGN_TOP: {
E->get().rect.position.x = -sd->ascent;
} break;
case VALIGN_CENTER: {
E->get().rect.position.x = -(E->get().rect.size.x / 2);
} break;
case VALIGN_BOTTOM: {
E->get().rect.position.x = sd->descent - E->get().rect.size.x;
} break;
}
}
}
sd->valid = true;
return sd->valid;
}
bool TextServerFallback::shaped_text_is_ready(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, false);
return sd->valid;
}
Vector<TextServer::Glyph> TextServerFallback::shaped_text_get_glyphs(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, Vector<TextServer::Glyph>());
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
return sd->glyphs;
}
Vector2i TextServerFallback::shaped_text_get_range(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, Vector2i());
return Vector2(sd->start, sd->end);
}
Vector<TextServer::Glyph> TextServerFallback::shaped_text_sort_logical(RID p_shaped) {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, Vector<TextServer::Glyph>());
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
return sd->glyphs; // Already in the logical order, return as is.
}
Array TextServerFallback::shaped_text_get_objects(RID p_shaped) const {
_THREAD_SAFE_METHOD_
Array ret;
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, ret);
for (const Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) {
ret.push_back(E->key());
}
return ret;
}
Rect2 TextServerFallback::shaped_text_get_object_rect(RID p_shaped, Variant p_key) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, Rect2());
ERR_FAIL_COND_V(!sd->objects.has(p_key), Rect2());
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
return sd->objects[p_key].rect;
}
Size2 TextServerFallback::shaped_text_get_size(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, Size2());
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
if (sd->orientation == TextServer::ORIENTATION_HORIZONTAL) {
return Size2(sd->width, sd->ascent + sd->descent);
} else {
return Size2(sd->ascent + sd->descent, sd->width);
}
}
float TextServerFallback::shaped_text_get_ascent(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, 0.f);
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
return sd->ascent;
}
float TextServerFallback::shaped_text_get_descent(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, 0.f);
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
return sd->descent;
}
float TextServerFallback::shaped_text_get_width(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, 0.f);
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
return sd->width;
}
float TextServerFallback::shaped_text_get_underline_position(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, 0.f);
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
return sd->upos;
}
float TextServerFallback::shaped_text_get_underline_thickness(RID p_shaped) const {
_THREAD_SAFE_METHOD_
const ShapedTextData *sd = shaped_owner.getornull(p_shaped);
ERR_FAIL_COND_V(!sd, 0.f);
if (!sd->valid) {
const_cast<TextServerFallback *>(this)->shaped_text_shape(p_shaped);
}
return sd->uthk;
}
TextServer *TextServerFallback::create_func(Error &r_error, void *p_user_data) {
r_error = OK;
return memnew(TextServerFallback());
}
void TextServerFallback::register_server() {
TextServerManager::register_create_function(interface_name, interface_features, create_func, nullptr);
}
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