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586 lines
27 KiB
C++
586 lines
27 KiB
C++
/*************************************************************************/
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/* text_server_fb.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef TEXT_SERVER_FALLBACK_H
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#define TEXT_SERVER_FALLBACK_H
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/*************************************************************************/
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/* Fallback Text Server provides simplified TS functionality, without */
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/* BiDi, shaping and advanced font features support. */
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/*************************************************************************/
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#ifdef GDEXTENSION
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// Headers for building as GDExtension plug-in.
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#include <godot_cpp/godot.hpp>
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#include <godot_cpp/core/class_db.hpp>
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#include <godot_cpp/core/mutex_lock.hpp>
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#include <godot_cpp/variant/array.hpp>
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#include <godot_cpp/variant/dictionary.hpp>
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#include <godot_cpp/variant/packed_int32_array.hpp>
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#include <godot_cpp/variant/packed_string_array.hpp>
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#include <godot_cpp/variant/packed_vector2_array.hpp>
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#include <godot_cpp/variant/rect2.hpp>
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#include <godot_cpp/variant/rid.hpp>
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#include <godot_cpp/variant/string.hpp>
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#include <godot_cpp/variant/vector2.hpp>
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#include <godot_cpp/variant/vector2i.hpp>
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#include <godot_cpp/classes/text_server.hpp>
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#include <godot_cpp/classes/text_server_extension.hpp>
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#include <godot_cpp/classes/text_server_manager.hpp>
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#include <godot_cpp/classes/caret_info.hpp>
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#include <godot_cpp/classes/global_constants_binds.hpp>
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#include <godot_cpp/classes/glyph.hpp>
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#include <godot_cpp/classes/image.hpp>
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#include <godot_cpp/classes/image_texture.hpp>
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#include <godot_cpp/classes/ref.hpp>
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#include <godot_cpp/templates/hash_map.hpp>
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#include <godot_cpp/templates/map.hpp>
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#include <godot_cpp/templates/rid_owner.hpp>
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#include <godot_cpp/templates/set.hpp>
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#include <godot_cpp/templates/thread_work_pool.hpp>
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#include <godot_cpp/templates/vector.hpp>
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using namespace godot;
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#else
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// Headers for building as built-in module.
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#include "servers/text/text_server_extension.h"
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#include "core/templates/rid_owner.h"
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#include "core/templates/thread_work_pool.h"
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#include "scene/resources/texture.h"
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#include "modules/modules_enabled.gen.h" // For freetype, msdfgen.
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#endif
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// Thirdparty headers.
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#ifdef MODULE_FREETYPE_ENABLED
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_TRUETYPE_TABLES_H
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#include FT_STROKER_H
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#include FT_ADVANCES_H
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#include FT_MULTIPLE_MASTERS_H
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#include FT_BBOX_H
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#endif
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/*************************************************************************/
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class TextServerFallback : public TextServerExtension {
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GDCLASS(TextServerFallback, TextServerExtension);
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_THREAD_SAFE_CLASS_
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Map<StringName, int32_t> feature_sets;
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Map<int32_t, StringName> feature_sets_inv;
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void _insert_feature_sets();
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_FORCE_INLINE_ void _insert_feature(const StringName &p_name, int32_t p_tag);
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// Font cache data.
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#ifdef MODULE_FREETYPE_ENABLED
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mutable FT_Library ft_library = nullptr;
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#endif
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const int rect_range = 1;
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struct FontTexture {
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Image::Format format;
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PackedByteArray imgdata;
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int texture_w = 0;
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int texture_h = 0;
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PackedInt32Array offsets;
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Ref<ImageTexture> texture;
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bool dirty = true;
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};
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struct FontTexturePosition {
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int index = 0;
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int x = 0;
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int y = 0;
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};
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struct FontGlyph {
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bool found = false;
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int texture_idx = -1;
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Rect2 rect;
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Rect2 uv_rect;
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Vector2 advance;
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};
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struct FontDataForSizeFallback {
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double ascent = 0.0;
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double descent = 0.0;
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double underline_position = 0.0;
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double underline_thickness = 0.0;
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double scale = 1.0;
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double oversampling = 1.0;
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int spacing_glyph = 0;
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int spacing_space = 0;
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Vector2i size;
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Vector<FontTexture> textures;
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HashMap<int32_t, FontGlyph> glyph_map;
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Map<Vector2i, Vector2> kerning_map;
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#ifdef MODULE_FREETYPE_ENABLED
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FT_Face face = nullptr;
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FT_StreamRec stream;
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#endif
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~FontDataForSizeFallback() {
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#ifdef MODULE_FREETYPE_ENABLED
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if (face != nullptr) {
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FT_Done_Face(face);
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}
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#endif
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}
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};
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struct FontDataFallback {
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Mutex mutex;
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bool antialiased = true;
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bool mipmaps = false;
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bool msdf = false;
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int msdf_range = 14;
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int msdf_source_size = 48;
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int fixed_size = 0;
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bool force_autohinter = false;
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TextServer::Hinting hinting = TextServer::HINTING_LIGHT;
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TextServer::SubpixelPositioning subpixel_positioning = TextServer::SUBPIXEL_POSITIONING_AUTO;
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Dictionary variation_coordinates;
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double oversampling = 0.0;
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double embolden = 0.0;
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Transform2D transform;
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uint32_t style_flags = 0;
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String font_name;
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String style_name;
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Map<Vector2i, FontDataForSizeFallback *> cache;
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bool face_init = false;
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Dictionary supported_varaitions;
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Dictionary feature_overrides;
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// Language/script support override.
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Map<String, bool> language_support_overrides;
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Map<String, bool> script_support_overrides;
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PackedByteArray data;
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const uint8_t *data_ptr;
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size_t data_size;
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mutable ThreadWorkPool work_pool;
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~FontDataFallback() {
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work_pool.finish();
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for (const KeyValue<Vector2i, FontDataForSizeFallback *> &E : cache) {
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memdelete(E.value);
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}
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cache.clear();
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}
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};
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_FORCE_INLINE_ FontTexturePosition 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;
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#ifdef MODULE_MSDFGEN_ENABLED
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_FORCE_INLINE_ FontGlyph rasterize_msdf(FontDataFallback *p_font_data, FontDataForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const;
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#endif
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#ifdef MODULE_FREETYPE_ENABLED
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_FORCE_INLINE_ FontGlyph rasterize_bitmap(FontDataForSizeFallback *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance) const;
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#endif
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_FORCE_INLINE_ bool _ensure_glyph(FontDataFallback *p_font_data, const Vector2i &p_size, int32_t p_glyph) const;
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_FORCE_INLINE_ bool _ensure_cache_for_size(FontDataFallback *p_font_data, const Vector2i &p_size) const;
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_FORCE_INLINE_ void _font_clear_cache(FontDataFallback *p_font_data);
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void _generateMTSDF_threaded(uint32_t y, void *p_td) const;
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_FORCE_INLINE_ Vector2i _get_size(const FontDataFallback *p_font_data, int p_size) const {
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if (p_font_data->msdf) {
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return Vector2i(p_font_data->msdf_source_size, 0);
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} else if (p_font_data->fixed_size > 0) {
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return Vector2i(p_font_data->fixed_size, 0);
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} else {
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return Vector2i(p_size, 0);
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}
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}
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_FORCE_INLINE_ Vector2i _get_size_outline(const FontDataFallback *p_font_data, const Vector2i &p_size) const {
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if (p_font_data->msdf) {
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return Vector2i(p_font_data->msdf_source_size, 0);
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} else if (p_font_data->fixed_size > 0) {
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return Vector2i(p_font_data->fixed_size, MIN(p_size.y, 1));
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} else {
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return p_size;
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}
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}
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// Shaped text cache data.
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struct TrimData {
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int trim_pos = -1;
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int ellipsis_pos = -1;
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Vector<Glyph> ellipsis_glyph_buf;
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};
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struct ShapedTextDataFallback {
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Mutex mutex;
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/* Source data */
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RID parent; // Substring parent ShapedTextData.
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int start = 0; // Substring start offset in the parent string.
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int end = 0; // Substring end offset in the parent string.
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String text;
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String custom_punct;
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TextServer::Direction direction = DIRECTION_LTR; // Desired text direction.
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TextServer::Orientation orientation = ORIENTATION_HORIZONTAL;
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struct Span {
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int start = -1;
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int end = -1;
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Array fonts;
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int font_size = 0;
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Variant embedded_key;
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String language;
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Dictionary features;
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Variant meta;
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};
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Vector<Span> spans;
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struct EmbeddedObject {
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int pos = 0;
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InlineAlignment inline_align = INLINE_ALIGNMENT_CENTER;
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Rect2 rect;
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};
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Map<Variant, EmbeddedObject> objects;
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/* Shaped data */
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TextServer::Direction para_direction = DIRECTION_LTR; // Detected text direction.
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bool valid = false; // String is shaped.
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bool line_breaks_valid = false; // Line and word break flags are populated (and virtual zero width spaces inserted).
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bool justification_ops_valid = false; // Virtual elongation glyphs are added to the string.
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bool sort_valid = false;
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bool text_trimmed = false;
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bool preserve_invalid = true; // Draw hex code box instead of missing characters.
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bool preserve_control = false; // Draw control characters.
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double ascent = 0.0; // Ascent for horizontal layout, 1/2 of width for vertical.
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double descent = 0.0; // Descent for horizontal layout, 1/2 of width for vertical.
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double width = 0.0; // Width for horizontal layout, height for vertical.
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double width_trimmed = 0.0;
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double upos = 0.0;
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double uthk = 0.0;
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TrimData overrun_trim_data;
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bool fit_width_minimum_reached = false;
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Vector<Glyph> glyphs;
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Vector<Glyph> glyphs_logical;
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};
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// Common data.
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double oversampling = 1.0;
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mutable RID_PtrOwner<FontDataFallback> font_owner;
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mutable RID_PtrOwner<ShapedTextDataFallback> shaped_owner;
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void _realign(ShapedTextDataFallback *p_sd) const;
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protected:
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static void _bind_methods(){};
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void full_copy(ShapedTextDataFallback *p_shaped);
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void invalidate(ShapedTextDataFallback *p_shaped);
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public:
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virtual bool has_feature(Feature p_feature) const override;
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virtual String get_name() const override;
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virtual int64_t get_features() const override;
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virtual void free_rid(const RID &p_rid) override;
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virtual bool has(const RID &p_rid) override;
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virtual bool load_support_data(const String &p_filename) override;
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virtual String get_support_data_filename() const override {
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return "";
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};
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virtual String get_support_data_info() const override {
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return "Not supported";
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};
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virtual bool save_support_data(const String &p_filename) const override;
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virtual bool is_locale_right_to_left(const String &p_locale) const override;
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virtual int64_t name_to_tag(const String &p_name) const override;
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virtual String tag_to_name(int64_t p_tag) const override;
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/* Font interface */
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virtual RID create_font() override;
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virtual void font_set_data(const RID &p_font_rid, const PackedByteArray &p_data) override;
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virtual void font_set_data_ptr(const RID &p_font_rid, const uint8_t *p_data_ptr, int64_t p_data_size) override;
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virtual void font_set_style(const RID &p_font_rid, int64_t /*FontStyle*/ p_style) override;
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virtual int64_t /*FontStyle*/ font_get_style(const RID &p_font_rid) const override;
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virtual void font_set_style_name(const RID &p_font_rid, const String &p_name) override;
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virtual String font_get_style_name(const RID &p_font_rid) const override;
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virtual void font_set_name(const RID &p_font_rid, const String &p_name) override;
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virtual String font_get_name(const RID &p_font_rid) const override;
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virtual void font_set_antialiased(const RID &p_font_rid, bool p_antialiased) override;
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virtual bool font_is_antialiased(const RID &p_font_rid) const override;
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virtual void font_set_generate_mipmaps(const RID &p_font_rid, bool p_generate_mipmaps) override;
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virtual bool font_get_generate_mipmaps(const RID &p_font_rid) const override;
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virtual void font_set_multichannel_signed_distance_field(const RID &p_font_rid, bool p_msdf) override;
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virtual bool font_is_multichannel_signed_distance_field(const RID &p_font_rid) const override;
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virtual void font_set_msdf_pixel_range(const RID &p_font_rid, int64_t p_msdf_pixel_range) override;
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virtual int64_t font_get_msdf_pixel_range(const RID &p_font_rid) const override;
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virtual void font_set_msdf_size(const RID &p_font_rid, int64_t p_msdf_size) override;
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virtual int64_t font_get_msdf_size(const RID &p_font_rid) const override;
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virtual void font_set_fixed_size(const RID &p_font_rid, int64_t p_fixed_size) override;
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virtual int64_t font_get_fixed_size(const RID &p_font_rid) const override;
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virtual void font_set_force_autohinter(const RID &p_font_rid, bool p_force_autohinter) override;
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virtual bool font_is_force_autohinter(const RID &p_font_rid) const override;
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virtual void font_set_hinting(const RID &p_font_rid, TextServer::Hinting p_hinting) override;
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virtual TextServer::Hinting font_get_hinting(const RID &p_font_rid) const override;
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virtual void font_set_subpixel_positioning(const RID &p_font_rid, SubpixelPositioning p_subpixel) override;
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virtual SubpixelPositioning font_get_subpixel_positioning(const RID &p_font_rid) const override;
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virtual void font_set_embolden(const RID &p_font_rid, double p_strength) override;
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virtual double font_get_embolden(const RID &p_font_rid) const override;
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virtual void font_set_transform(const RID &p_font_rid, const Transform2D &p_transform) override;
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virtual Transform2D font_get_transform(const RID &p_font_rid) const override;
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virtual void font_set_variation_coordinates(const RID &p_font_rid, const Dictionary &p_variation_coordinates) override;
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virtual Dictionary font_get_variation_coordinates(const RID &p_font_rid) const override;
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virtual void font_set_oversampling(const RID &p_font_rid, double p_oversampling) override;
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virtual double font_get_oversampling(const RID &p_font_rid) const override;
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virtual Array font_get_size_cache_list(const RID &p_font_rid) const override;
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virtual void font_clear_size_cache(const RID &p_font_rid) override;
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virtual void font_remove_size_cache(const RID &p_font_rid, const Vector2i &p_size) override;
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virtual void font_set_ascent(const RID &p_font_rid, int64_t p_size, double p_ascent) override;
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virtual double font_get_ascent(const RID &p_font_rid, int64_t p_size) const override;
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virtual void font_set_descent(const RID &p_font_rid, int64_t p_size, double p_descent) override;
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virtual double font_get_descent(const RID &p_font_rid, int64_t p_size) const override;
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virtual void font_set_underline_position(const RID &p_font_rid, int64_t p_size, double p_underline_position) override;
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virtual double font_get_underline_position(const RID &p_font_rid, int64_t p_size) const override;
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virtual void font_set_underline_thickness(const RID &p_font_rid, int64_t p_size, double p_underline_thickness) override;
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virtual double font_get_underline_thickness(const RID &p_font_rid, int64_t p_size) const override;
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virtual void font_set_scale(const RID &p_font_rid, int64_t p_size, double p_scale) override;
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virtual double font_get_scale(const RID &p_font_rid, int64_t p_size) const override;
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virtual void font_set_spacing(const RID &p_font_rid, int64_t p_size, SpacingType p_spacing, int64_t p_value) override;
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virtual int64_t font_get_spacing(const RID &p_font_rid, int64_t p_size, SpacingType p_spacing) const override;
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virtual int64_t font_get_texture_count(const RID &p_font_rid, const Vector2i &p_size) const override;
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virtual void font_clear_textures(const RID &p_font_rid, const Vector2i &p_size) override;
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virtual void font_remove_texture(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) override;
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virtual void font_set_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index, const Ref<Image> &p_image) override;
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virtual Ref<Image> font_get_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const override;
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virtual void font_set_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index, const PackedInt32Array &p_offset) override;
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virtual PackedInt32Array font_get_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const override;
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virtual Array font_get_glyph_list(const RID &p_font_rid, const Vector2i &p_size) const override;
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virtual void font_clear_glyphs(const RID &p_font_rid, const Vector2i &p_size) override;
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virtual void font_remove_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) override;
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virtual Vector2 font_get_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph) const override;
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virtual void font_set_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph, const Vector2 &p_advance) override;
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virtual Vector2 font_get_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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virtual void font_set_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_offset) override;
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virtual Vector2 font_get_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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virtual void font_set_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_gl_size) override;
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virtual Rect2 font_get_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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virtual void font_set_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Rect2 &p_uv_rect) override;
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virtual int64_t font_get_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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virtual void font_set_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, int64_t p_texture_idx) override;
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virtual RID font_get_glyph_texture_rid(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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virtual Size2 font_get_glyph_texture_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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virtual Dictionary font_get_glyph_contours(const RID &p_font, int64_t p_size, int64_t p_index) const override;
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virtual Array font_get_kerning_list(const RID &p_font_rid, int64_t p_size) const override;
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virtual void font_clear_kerning_map(const RID &p_font_rid, int64_t p_size) override;
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virtual void font_remove_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) override;
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virtual void font_set_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) override;
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virtual Vector2 font_get_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) const override;
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virtual int64_t font_get_glyph_index(const RID &p_font_rid, int64_t p_size, int64_t p_char, int64_t p_variation_selector = 0) const override;
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virtual bool font_has_char(const RID &p_font_rid, int64_t p_char) const override;
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virtual String font_get_supported_chars(const RID &p_font_rid) const override;
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virtual void font_render_range(const RID &p_font, const Vector2i &p_size, int64_t p_start, int64_t p_end) override;
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virtual void font_render_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_index) override;
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virtual void font_draw_glyph(const RID &p_font, const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1)) const override;
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virtual void font_draw_glyph_outline(const RID &p_font, const RID &p_canvas, int64_t p_size, int64_t p_outline_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1)) const override;
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virtual bool font_is_language_supported(const RID &p_font_rid, const String &p_language) const override;
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virtual void font_set_language_support_override(const RID &p_font_rid, const String &p_language, bool p_supported) override;
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virtual bool font_get_language_support_override(const RID &p_font_rid, const String &p_language) override;
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virtual void font_remove_language_support_override(const RID &p_font_rid, const String &p_language) override;
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virtual PackedStringArray font_get_language_support_overrides(const RID &p_font_rid) override;
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virtual bool font_is_script_supported(const RID &p_font_rid, const String &p_script) const override;
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virtual void font_set_script_support_override(const RID &p_font_rid, const String &p_script, bool p_supported) override;
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virtual bool font_get_script_support_override(const RID &p_font_rid, const String &p_script) override;
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virtual void font_remove_script_support_override(const RID &p_font_rid, const String &p_script) override;
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virtual PackedStringArray font_get_script_support_overrides(const RID &p_font_rid) override;
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virtual void font_set_opentype_feature_overrides(const RID &p_font_rid, const Dictionary &p_overrides) override;
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virtual Dictionary font_get_opentype_feature_overrides(const RID &p_font_rid) const override;
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virtual Dictionary font_supported_feature_list(const RID &p_font_rid) const override;
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virtual Dictionary font_supported_variation_list(const RID &p_font_rid) const override;
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virtual double font_get_global_oversampling() const override;
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virtual void font_set_global_oversampling(double p_oversampling) override;
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/* Shaped text buffer interface */
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virtual RID create_shaped_text(Direction p_direction = DIRECTION_AUTO, Orientation p_orientation = ORIENTATION_HORIZONTAL) override;
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virtual void shaped_text_clear(const RID &p_shaped) override;
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virtual void shaped_text_set_direction(const RID &p_shaped, Direction p_direction = DIRECTION_AUTO) override;
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virtual Direction shaped_text_get_direction(const RID &p_shaped) const override;
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virtual Direction shaped_text_get_inferred_direction(const RID &p_shaped) const override;
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virtual void shaped_text_set_bidi_override(const RID &p_shaped, const Array &p_override) override;
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virtual void shaped_text_set_custom_punctuation(const RID &p_shaped, const String &p_punct) override;
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virtual String shaped_text_get_custom_punctuation(const RID &p_shaped) const override;
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virtual void shaped_text_set_orientation(const RID &p_shaped, Orientation p_orientation = ORIENTATION_HORIZONTAL) override;
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virtual Orientation shaped_text_get_orientation(const RID &p_shaped) const override;
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virtual void shaped_text_set_preserve_invalid(const RID &p_shaped, bool p_enabled) override;
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virtual bool shaped_text_get_preserve_invalid(const RID &p_shaped) const override;
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virtual void shaped_text_set_preserve_control(const RID &p_shaped, bool p_enabled) override;
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virtual bool shaped_text_get_preserve_control(const RID &p_shaped) const override;
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virtual bool shaped_text_add_string(const RID &p_shaped, const String &p_text, const Array &p_fonts, int64_t p_size, const Dictionary &p_opentype_features = Dictionary(), const String &p_language = "", const Variant &p_meta = Variant()) override;
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virtual bool shaped_text_add_object(const RID &p_shaped, const Variant &p_key, const Size2 &p_size, InlineAlignment p_inline_align = INLINE_ALIGNMENT_CENTER, int64_t p_length = 1) override;
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virtual bool shaped_text_resize_object(const RID &p_shaped, const Variant &p_key, const Size2 &p_size, InlineAlignment p_inline_align = INLINE_ALIGNMENT_CENTER) override;
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virtual int64_t shaped_get_span_count(const RID &p_shaped) const override;
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virtual Variant shaped_get_span_meta(const RID &p_shaped, int64_t p_index) const override;
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virtual void shaped_set_span_update_font(const RID &p_shaped, int64_t p_index, const Array &p_fonts, int64_t p_size, const Dictionary &p_opentype_features = Dictionary()) override;
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virtual RID shaped_text_substr(const RID &p_shaped, int64_t p_start, int64_t p_length) const override;
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virtual RID shaped_text_get_parent(const RID &p_shaped) const override;
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virtual double shaped_text_fit_to_width(const RID &p_shaped, double p_width, int64_t /*JustificationFlag*/ p_jst_flags = JUSTIFICATION_WORD_BOUND | JUSTIFICATION_KASHIDA) override;
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virtual double shaped_text_tab_align(const RID &p_shaped, const PackedFloat32Array &p_tab_stops) override;
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virtual bool shaped_text_shape(const RID &p_shaped) override;
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virtual bool shaped_text_update_breaks(const RID &p_shaped) override;
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virtual bool shaped_text_update_justification_ops(const RID &p_shaped) override;
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virtual int64_t shaped_text_get_trim_pos(const RID &p_shaped) const override;
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virtual int64_t shaped_text_get_ellipsis_pos(const RID &p_shaped) const override;
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virtual const Glyph *shaped_text_get_ellipsis_glyphs(const RID &p_shaped) const override;
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virtual int64_t shaped_text_get_ellipsis_glyph_count(const RID &p_shaped) const override;
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virtual void shaped_text_overrun_trim_to_width(const RID &p_shaped, double p_width, int64_t p_trim_flags) override;
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virtual bool shaped_text_is_ready(const RID &p_shaped) const override;
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virtual const Glyph *shaped_text_get_glyphs(const RID &p_shaped) const override;
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virtual const Glyph *shaped_text_sort_logical(const RID &p_shaped) override;
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virtual int64_t shaped_text_get_glyph_count(const RID &p_shaped) const override;
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virtual Vector2i shaped_text_get_range(const RID &p_shaped) const override;
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virtual Array shaped_text_get_objects(const RID &p_shaped) const override;
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virtual Rect2 shaped_text_get_object_rect(const RID &p_shaped, const Variant &p_key) const override;
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virtual Size2 shaped_text_get_size(const RID &p_shaped) const override;
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virtual double shaped_text_get_ascent(const RID &p_shaped) const override;
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virtual double shaped_text_get_descent(const RID &p_shaped) const override;
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virtual double shaped_text_get_width(const RID &p_shaped) const override;
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virtual double shaped_text_get_underline_position(const RID &p_shaped) const override;
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virtual double shaped_text_get_underline_thickness(const RID &p_shaped) const override;
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virtual PackedInt32Array string_get_word_breaks(const String &p_string, const String &p_language = "") const override;
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virtual String string_to_upper(const String &p_string, const String &p_language = "") const override;
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virtual String string_to_lower(const String &p_string, const String &p_language = "") const override;
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TextServerFallback();
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~TextServerFallback();
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};
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#endif // TEXT_SERVER_FALLBACK_H
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