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godot/modules/text_server_adv/text_server_adv.h

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/*************************************************************************/
/* text_server_adv.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef TEXT_SERVER_ADV_H
#define TEXT_SERVER_ADV_H
/*************************************************************************/
/* ICU/HarfBuzz/Graphite backed Text Server implementation with BiDi, */
/* shaping and advanced font features support. */
/*************************************************************************/
#ifdef GDEXTENSION
// Headers for building as GDExtension plug-in.
#include <godot_cpp/godot.hpp>
#include <godot_cpp/core/class_db.hpp>
#include <godot_cpp/core/mutex_lock.hpp>
#include <godot_cpp/variant/array.hpp>
#include <godot_cpp/variant/dictionary.hpp>
#include <godot_cpp/variant/packed_int32_array.hpp>
#include <godot_cpp/variant/packed_string_array.hpp>
#include <godot_cpp/variant/packed_vector2_array.hpp>
#include <godot_cpp/variant/rect2.hpp>
#include <godot_cpp/variant/rid.hpp>
#include <godot_cpp/variant/string.hpp>
#include <godot_cpp/variant/vector2.hpp>
#include <godot_cpp/variant/vector2i.hpp>
#include <godot_cpp/classes/text_server.hpp>
#include <godot_cpp/classes/text_server_extension.hpp>
#include <godot_cpp/classes/text_server_manager.hpp>
#include <godot_cpp/classes/caret_info.hpp>
#include <godot_cpp/classes/global_constants_binds.hpp>
#include <godot_cpp/classes/glyph.hpp>
#include <godot_cpp/classes/image.hpp>
#include <godot_cpp/classes/image_texture.hpp>
#include <godot_cpp/classes/ref.hpp>
#include <godot_cpp/classes/worker_thread_pool.hpp>
#include <godot_cpp/templates/hash_map.hpp>
#include <godot_cpp/templates/hash_set.hpp>
#include <godot_cpp/templates/rid_owner.hpp>
#include <godot_cpp/templates/vector.hpp>
using namespace godot;
#else
// Headers for building as built-in module.
#include "core/object/worker_thread_pool.h"
#include "core/templates/hash_map.h"
#include "core/templates/rid_owner.h"
#include "scene/resources/texture.h"
#include "servers/text/text_server_extension.h"
#include "modules/modules_enabled.gen.h" // For freetype, msdfgen.
#endif
#include "script_iterator.h"
// Thirdparty headers.
#include <unicode/ubidi.h>
#include <unicode/ubrk.h>
#include <unicode/uchar.h>
#include <unicode/uclean.h>
#include <unicode/udata.h>
#include <unicode/uiter.h>
#include <unicode/uloc.h>
#include <unicode/unorm2.h>
#include <unicode/uscript.h>
#include <unicode/uspoof.h>
#include <unicode/ustring.h>
#include <unicode/utypes.h>
#ifdef MODULE_FREETYPE_ENABLED
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_TRUETYPE_TABLES_H
#include FT_STROKER_H
#include FT_ADVANCES_H
#include FT_MULTIPLE_MASTERS_H
#include FT_BBOX_H
#include <hb-ft.h>
#include <hb-ot.h>
#endif
#include <hb-icu.h>
#include <hb.h>
/*************************************************************************/
class TextServerAdvanced : public TextServerExtension {
GDCLASS(TextServerAdvanced, TextServerExtension);
_THREAD_SAFE_CLASS_
struct NumSystemData {
HashSet<StringName> lang;
String digits;
String percent_sign;
String exp;
};
Vector<NumSystemData> num_systems;
struct FeatureInfo {
StringName name;
Variant::Type vtype = Variant::INT;
bool hidden = false;
};
HashMap<StringName, int32_t> feature_sets;
HashMap<int32_t, FeatureInfo> feature_sets_inv;
void _insert_num_systems_lang();
void _insert_feature_sets();
_FORCE_INLINE_ void _insert_feature(const StringName &p_name, int32_t p_tag, Variant::Type p_vtype = Variant::INT, bool p_hidden = false);
// ICU support data.
bool icu_data_loaded = false;
// Font cache data.
#ifdef MODULE_FREETYPE_ENABLED
mutable FT_Library ft_library = nullptr;
#endif
const int rect_range = 1;
struct FontTexture {
Image::Format format;
PackedByteArray imgdata;
int texture_w = 0;
int texture_h = 0;
PackedInt32Array offsets;
Ref<ImageTexture> texture;
bool dirty = true;
};
struct FontTexturePosition {
int index = 0;
int x = 0;
int y = 0;
};
struct FontGlyph {
bool found = false;
int texture_idx = -1;
Rect2 rect;
Rect2 uv_rect;
Vector2 advance;
};
struct FontForSizeAdvanced {
double ascent = 0.0;
double descent = 0.0;
double underline_position = 0.0;
double underline_thickness = 0.0;
double scale = 1.0;
double oversampling = 1.0;
Vector2i size;
Vector<FontTexture> textures;
HashMap<int32_t, FontGlyph> glyph_map;
HashMap<Vector2i, Vector2> kerning_map;
hb_font_t *hb_handle = nullptr;
#ifdef MODULE_FREETYPE_ENABLED
FT_Face face = nullptr;
FT_StreamRec stream;
#endif
~FontForSizeAdvanced() {
if (hb_handle != nullptr) {
hb_font_destroy(hb_handle);
}
#ifdef MODULE_FREETYPE_ENABLED
if (face != nullptr) {
FT_Done_Face(face);
}
#endif
}
};
struct FontAdvanced {
Mutex mutex;
bool antialiased = true;
bool mipmaps = false;
bool msdf = false;
int msdf_range = 14;
int msdf_source_size = 48;
int fixed_size = 0;
bool force_autohinter = false;
TextServer::Hinting hinting = TextServer::HINTING_LIGHT;
TextServer::SubpixelPositioning subpixel_positioning = TextServer::SUBPIXEL_POSITIONING_AUTO;
Dictionary variation_coordinates;
double oversampling = 0.0;
double embolden = 0.0;
Transform2D transform;
BitField<TextServer::FontStyle> style_flags = 0;
String font_name;
String style_name;
HashMap<Vector2i, FontForSizeAdvanced *, VariantHasher, VariantComparator> cache;
bool face_init = false;
HashSet<uint32_t> supported_scripts;
Dictionary supported_features;
Dictionary supported_varaitions;
Dictionary feature_overrides;
// Language/script support override.
HashMap<String, bool> language_support_overrides;
HashMap<String, bool> script_support_overrides;
PackedByteArray data;
const uint8_t *data_ptr;
size_t data_size;
int face_index = 0;
~FontAdvanced() {
for (const KeyValue<Vector2i, FontForSizeAdvanced *> &E : cache) {
memdelete(E.value);
}
cache.clear();
}
};
_FORCE_INLINE_ FontTexturePosition find_texture_pos_for_glyph(FontForSizeAdvanced *p_data, int p_color_size, Image::Format p_image_format, int p_width, int p_height, bool p_msdf) const;
#ifdef MODULE_MSDFGEN_ENABLED
_FORCE_INLINE_ FontGlyph rasterize_msdf(FontAdvanced *p_font_data, FontForSizeAdvanced *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const;
#endif
#ifdef MODULE_FREETYPE_ENABLED
_FORCE_INLINE_ FontGlyph rasterize_bitmap(FontForSizeAdvanced *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance) const;
#endif
_FORCE_INLINE_ bool _ensure_glyph(FontAdvanced *p_font_data, const Vector2i &p_size, int32_t p_glyph) const;
_FORCE_INLINE_ bool _ensure_cache_for_size(FontAdvanced *p_font_data, const Vector2i &p_size) const;
_FORCE_INLINE_ void _font_clear_cache(FontAdvanced *p_font_data);
void _generateMTSDF_threaded(uint32_t y, void *p_td) const;
_FORCE_INLINE_ Vector2i _get_size(const FontAdvanced *p_font_data, int p_size) const {
if (p_font_data->msdf) {
return Vector2i(p_font_data->msdf_source_size, 0);
} else if (p_font_data->fixed_size > 0) {
return Vector2i(p_font_data->fixed_size, 0);
} else {
return Vector2i(p_size, 0);
}
}
_FORCE_INLINE_ Vector2i _get_size_outline(const FontAdvanced *p_font_data, const Vector2i &p_size) const {
if (p_font_data->msdf) {
return Vector2i(p_font_data->msdf_source_size, 0);
} else if (p_font_data->fixed_size > 0) {
return Vector2i(p_font_data->fixed_size, MIN(p_size.y, 1));
} else {
return p_size;
}
}
_FORCE_INLINE_ double _get_extra_advance(RID p_font_rid, int p_font_size) const;
_FORCE_INLINE_ Variant::Type _get_tag_type(int64_t p_tag) const;
_FORCE_INLINE_ bool _get_tag_hidden(int64_t p_tag) const;
// Shaped text cache data.
struct TrimData {
int trim_pos = -1;
int ellipsis_pos = -1;
Vector<Glyph> ellipsis_glyph_buf;
};
struct ShapedTextDataAdvanced {
Mutex mutex;
/* Source data */
RID parent; // Substring parent ShapedTextData.
int start = 0; // Substring start offset in the parent string.
int end = 0; // Substring end offset in the parent string.
String text;
String custom_punct;
TextServer::Direction direction = DIRECTION_LTR; // Desired text direction.
TextServer::Orientation orientation = ORIENTATION_HORIZONTAL;
struct Span {
int start = -1;
int end = -1;
Array fonts;
int font_size = 0;
Variant embedded_key;
String language;
Dictionary features;
Variant meta;
};
Vector<Span> spans;
struct EmbeddedObject {
int pos = 0;
InlineAlignment inline_align = INLINE_ALIGNMENT_CENTER;
Rect2 rect;
};
HashMap<Variant, EmbeddedObject, VariantHasher, VariantComparator> objects;
/* Shaped data */
TextServer::Direction para_direction = DIRECTION_LTR; // Detected text direction.
bool valid = false; // String is shaped.
bool line_breaks_valid = false; // Line and word break flags are populated (and virtual zero width spaces inserted).
bool justification_ops_valid = false; // Virtual elongation glyphs are added to the string.
bool sort_valid = false;
bool text_trimmed = false;
bool preserve_invalid = true; // Draw hex code box instead of missing characters.
bool preserve_control = false; // Draw control characters.
double ascent = 0.0; // Ascent for horizontal layout, 1/2 of width for vertical.
double descent = 0.0; // Descent for horizontal layout, 1/2 of width for vertical.
double width = 0.0; // Width for horizontal layout, height for vertical.
double width_trimmed = 0.0;
int extra_spacing[4] = { 0, 0, 0, 0 };
double upos = 0.0;
double uthk = 0.0;
TrimData overrun_trim_data;
bool fit_width_minimum_reached = false;
Vector<Glyph> glyphs;
Vector<Glyph> glyphs_logical;
/* Intermediate data */
Char16String utf16;
Vector<UBiDi *> bidi_iter;
Vector<Vector2i> bidi_override;
ScriptIterator *script_iter = nullptr;
hb_buffer_t *hb_buffer = nullptr;
HashMap<int, bool> jstops;
HashMap<int, bool> breaks;
bool break_ops_valid = false;
bool js_ops_valid = false;
~ShapedTextDataAdvanced() {
for (int i = 0; i < bidi_iter.size(); i++) {
ubidi_close(bidi_iter[i]);
}
if (script_iter) {
memdelete(script_iter);
}
if (hb_buffer) {
hb_buffer_destroy(hb_buffer);
}
}
};
// Common data.
double oversampling = 1.0;
mutable RID_PtrOwner<FontAdvanced> font_owner;
mutable RID_PtrOwner<ShapedTextDataAdvanced> shaped_owner;
void _realign(ShapedTextDataAdvanced *p_sd) const;
int64_t _convert_pos(const String &p_utf32, const Char16String &p_utf16, int64_t p_pos) const;
int64_t _convert_pos(const ShapedTextDataAdvanced *p_sd, int64_t p_pos) const;
int64_t _convert_pos_inv(const ShapedTextDataAdvanced *p_sd, int64_t p_pos) const;
bool _shape_substr(ShapedTextDataAdvanced *p_new_sd, const ShapedTextDataAdvanced *p_sd, int64_t p_start, int64_t p_length) const;
void _shape_run(ShapedTextDataAdvanced *p_sd, int64_t p_start, int64_t p_end, hb_script_t p_script, hb_direction_t p_direction, Array p_fonts, int64_t p_span, int64_t p_fb_index);
Glyph _shape_single_glyph(ShapedTextDataAdvanced *p_sd, char32_t p_char, hb_script_t p_script, hb_direction_t p_direction, const RID &p_font, int64_t p_font_size);
_FORCE_INLINE_ void _add_featuers(const Dictionary &p_source, Vector<hb_feature_t> &r_ftrs);
// HarfBuzz bitmap font interface.
static hb_font_funcs_t *funcs;
struct bmp_font_t {
TextServerAdvanced::FontForSizeAdvanced *face = nullptr;
bool unref = false; /* Whether to destroy bm_face when done. */
};
static bmp_font_t *_bmp_font_create(TextServerAdvanced::FontForSizeAdvanced *p_face, bool p_unref);
static void _bmp_font_destroy(void *p_data);
static hb_bool_t _bmp_get_nominal_glyph(hb_font_t *p_font, void *p_font_data, hb_codepoint_t p_unicode, hb_codepoint_t *r_glyph, void *p_user_data);
static hb_position_t _bmp_get_glyph_h_advance(hb_font_t *p_font, void *p_font_data, hb_codepoint_t p_glyph, void *p_user_data);
static hb_position_t _bmp_get_glyph_v_advance(hb_font_t *p_font, void *p_font_data, hb_codepoint_t p_glyph, void *p_user_data);
static hb_position_t _bmp_get_glyph_h_kerning(hb_font_t *p_font, void *p_font_data, hb_codepoint_t p_left_glyph, hb_codepoint_t p_right_glyph, void *p_user_data);
static hb_bool_t _bmp_get_glyph_v_origin(hb_font_t *p_font, void *p_font_data, hb_codepoint_t p_glyph, hb_position_t *r_x, hb_position_t *r_y, void *p_user_data);
static hb_bool_t _bmp_get_glyph_extents(hb_font_t *p_font, void *p_font_data, hb_codepoint_t p_glyph, hb_glyph_extents_t *r_extents, void *p_user_data);
static hb_bool_t _bmp_get_font_h_extents(hb_font_t *p_font, void *p_font_data, hb_font_extents_t *r_metrics, void *p_user_data);
static void _bmp_create_font_funcs();
static void _bmp_free_font_funcs();
static void _bmp_font_set_funcs(hb_font_t *p_font, TextServerAdvanced::FontForSizeAdvanced *p_face, bool p_unref);
static hb_font_t *_bmp_font_create(TextServerAdvanced::FontForSizeAdvanced *p_face, hb_destroy_func_t p_destroy);
hb_font_t *_font_get_hb_handle(const RID &p_font, int64_t p_font_size) const;
struct GlyphCompare { // For line breaking reordering.
_FORCE_INLINE_ bool operator()(const Glyph &l, const Glyph &r) const {
if (l.start == r.start) {
if (l.count == r.count) {
if ((l.flags & TextServer::GRAPHEME_IS_VIRTUAL) == TextServer::GRAPHEME_IS_VIRTUAL) {
return false;
} else {
return true;
}
}
return l.count > r.count; // Sort first glyph with count & flags, order of the rest are irrelevant.
} else {
return l.start < r.start;
}
}
};
protected:
static void _bind_methods(){};
void full_copy(ShapedTextDataAdvanced *p_shaped);
void invalidate(ShapedTextDataAdvanced *p_shaped, bool p_text = false);
public:
virtual bool has_feature(Feature p_feature) const override;
virtual String get_name() const override;
virtual int64_t get_features() const override;
virtual void free_rid(const RID &p_rid) override;
virtual bool has(const RID &p_rid) override;
virtual bool load_support_data(const String &p_filename) override;
virtual String get_support_data_filename() const override;
virtual String get_support_data_info() const override;
virtual bool save_support_data(const String &p_filename) const override;
virtual bool is_locale_right_to_left(const String &p_locale) const override;
virtual int64_t name_to_tag(const String &p_name) const override;
virtual String tag_to_name(int64_t p_tag) const override;
/* Font interface */
virtual RID create_font() override;
virtual void font_set_data(const RID &p_font_rid, const PackedByteArray &p_data) override;
virtual void font_set_data_ptr(const RID &p_font_rid, const uint8_t *p_data_ptr, int64_t p_data_size) override;
virtual void font_set_face_index(const RID &p_font_rid, int64_t p_index) override;
virtual int64_t font_get_face_index(const RID &p_font_rid) const override;
virtual int64_t font_get_face_count(const RID &p_font_rid) const override;
virtual void font_set_style(const RID &p_font_rid, BitField<FontStyle> p_style) override;
virtual BitField<FontStyle> font_get_style(const RID &p_font_rid) const override;
virtual void font_set_style_name(const RID &p_font_rid, const String &p_name) override;
virtual String font_get_style_name(const RID &p_font_rid) const override;
virtual void font_set_name(const RID &p_font_rid, const String &p_name) override;
virtual String font_get_name(const RID &p_font_rid) const override;
virtual void font_set_antialiased(const RID &p_font_rid, bool p_antialiased) override;
virtual bool font_is_antialiased(const RID &p_font_rid) const override;
virtual void font_set_generate_mipmaps(const RID &p_font_rid, bool p_generate_mipmaps) override;
virtual bool font_get_generate_mipmaps(const RID &p_font_rid) const override;
virtual void font_set_multichannel_signed_distance_field(const RID &p_font_rid, bool p_msdf) override;
virtual bool font_is_multichannel_signed_distance_field(const RID &p_font_rid) const override;
virtual void font_set_msdf_pixel_range(const RID &p_font_rid, int64_t p_msdf_pixel_range) override;
virtual int64_t font_get_msdf_pixel_range(const RID &p_font_rid) const override;
virtual void font_set_msdf_size(const RID &p_font_rid, int64_t p_msdf_size) override;
virtual int64_t font_get_msdf_size(const RID &p_font_rid) const override;
virtual void font_set_fixed_size(const RID &p_font_rid, int64_t p_fixed_size) override;
virtual int64_t font_get_fixed_size(const RID &p_font_rid) const override;
virtual void font_set_force_autohinter(const RID &p_font_rid, bool p_force_autohinter) override;
virtual bool font_is_force_autohinter(const RID &p_font_rid) const override;
virtual void font_set_subpixel_positioning(const RID &p_font_rid, SubpixelPositioning p_subpixel) override;
virtual SubpixelPositioning font_get_subpixel_positioning(const RID &p_font_rid) const override;
virtual void font_set_embolden(const RID &p_font_rid, double p_strength) override;
virtual double font_get_embolden(const RID &p_font_rid) const override;
virtual void font_set_transform(const RID &p_font_rid, const Transform2D &p_transform) override;
virtual Transform2D font_get_transform(const RID &p_font_rid) const override;
virtual void font_set_variation_coordinates(const RID &p_font_rid, const Dictionary &p_variation_coordinates) override;
virtual Dictionary font_get_variation_coordinates(const RID &p_font_rid) const override;
virtual void font_set_hinting(const RID &p_font_rid, TextServer::Hinting p_hinting) override;
virtual TextServer::Hinting font_get_hinting(const RID &p_font_rid) const override;
virtual void font_set_oversampling(const RID &p_font_rid, double p_oversampling) override;
virtual double font_get_oversampling(const RID &p_font_rid) const override;
virtual Array font_get_size_cache_list(const RID &p_font_rid) const override;
virtual void font_clear_size_cache(const RID &p_font_rid) override;
virtual void font_remove_size_cache(const RID &p_font_rid, const Vector2i &p_size) override;
virtual void font_set_ascent(const RID &p_font_rid, int64_t p_size, double p_ascent) override;
virtual double font_get_ascent(const RID &p_font_rid, int64_t p_size) const override;
virtual void font_set_descent(const RID &p_font_rid, int64_t p_size, double p_descent) override;
virtual double font_get_descent(const RID &p_font_rid, int64_t p_size) const override;
virtual void font_set_underline_position(const RID &p_font_rid, int64_t p_size, double p_underline_position) override;
virtual double font_get_underline_position(const RID &p_font_rid, int64_t p_size) const override;
virtual void font_set_underline_thickness(const RID &p_font_rid, int64_t p_size, double p_underline_thickness) override;
virtual double font_get_underline_thickness(const RID &p_font_rid, int64_t p_size) const override;
virtual void font_set_scale(const RID &p_font_rid, int64_t p_size, double p_scale) override;
virtual double font_get_scale(const RID &p_font_rid, int64_t p_size) const override;
virtual int64_t font_get_texture_count(const RID &p_font_rid, const Vector2i &p_size) const override;
virtual void font_clear_textures(const RID &p_font_rid, const Vector2i &p_size) override;
virtual void font_remove_texture(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) override;
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;
virtual Ref<Image> font_get_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const override;
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;
virtual PackedInt32Array font_get_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const override;
virtual Array font_get_glyph_list(const RID &p_font_rid, const Vector2i &p_size) const override;
virtual void font_clear_glyphs(const RID &p_font_rid, const Vector2i &p_size) override;
virtual void font_remove_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) override;
virtual Vector2 font_get_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph) const override;
virtual void font_set_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph, const Vector2 &p_advance) override;
virtual Vector2 font_get_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
virtual void font_set_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_offset) override;
virtual Vector2 font_get_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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;
virtual Rect2 font_get_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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;
virtual int64_t font_get_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
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;
virtual RID font_get_glyph_texture_rid(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
virtual Size2 font_get_glyph_texture_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const override;
virtual Dictionary font_get_glyph_contours(const RID &p_font, int64_t p_size, int64_t p_index) const override;
virtual Array font_get_kerning_list(const RID &p_font_rid, int64_t p_size) const override;
virtual void font_clear_kerning_map(const RID &p_font_rid, int64_t p_size) override;
virtual void font_remove_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) override;
virtual void font_set_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) override;
virtual Vector2 font_get_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) const override;
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;
virtual bool font_has_char(const RID &p_font_rid, int64_t p_char) const override;
virtual String font_get_supported_chars(const RID &p_font_rid) const override;
virtual void font_render_range(const RID &p_font, const Vector2i &p_size, int64_t p_start, int64_t p_end) override;
virtual void font_render_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_index) override;
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;
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;
virtual bool font_is_language_supported(const RID &p_font_rid, const String &p_language) const override;
virtual void font_set_language_support_override(const RID &p_font_rid, const String &p_language, bool p_supported) override;
virtual bool font_get_language_support_override(const RID &p_font_rid, const String &p_language) override;
virtual void font_remove_language_support_override(const RID &p_font_rid, const String &p_language) override;
virtual PackedStringArray font_get_language_support_overrides(const RID &p_font_rid) override;
virtual bool font_is_script_supported(const RID &p_font_rid, const String &p_script) const override;
virtual void font_set_script_support_override(const RID &p_font_rid, const String &p_script, bool p_supported) override;
virtual bool font_get_script_support_override(const RID &p_font_rid, const String &p_script) override;
virtual void font_remove_script_support_override(const RID &p_font_rid, const String &p_script) override;
virtual PackedStringArray font_get_script_support_overrides(const RID &p_font_rid) override;
virtual void font_set_opentype_feature_overrides(const RID &p_font_rid, const Dictionary &p_overrides) override;
virtual Dictionary font_get_opentype_feature_overrides(const RID &p_font_rid) const override;
virtual Dictionary font_supported_feature_list(const RID &p_font_rid) const override;
virtual Dictionary font_supported_variation_list(const RID &p_font_rid) const override;
virtual double font_get_global_oversampling() const override;
virtual void font_set_global_oversampling(double p_oversampling) override;
/* Shaped text buffer interface */
virtual RID create_shaped_text(Direction p_direction = DIRECTION_AUTO, Orientation p_orientation = ORIENTATION_HORIZONTAL) override;
virtual void shaped_text_clear(const RID &p_shaped) override;
virtual void shaped_text_set_direction(const RID &p_shaped, Direction p_direction = DIRECTION_AUTO) override;
virtual Direction shaped_text_get_direction(const RID &p_shaped) const override;
virtual Direction shaped_text_get_inferred_direction(const RID &p_shaped) const override;
virtual void shaped_text_set_bidi_override(const RID &p_shaped, const Array &p_override) override;
virtual void shaped_text_set_custom_punctuation(const RID &p_shaped, const String &p_punct) override;
virtual String shaped_text_get_custom_punctuation(const RID &p_shaped) const override;
virtual void shaped_text_set_orientation(const RID &p_shaped, Orientation p_orientation = ORIENTATION_HORIZONTAL) override;
virtual Orientation shaped_text_get_orientation(const RID &p_shaped) const override;
virtual void shaped_text_set_preserve_invalid(const RID &p_shaped, bool p_enabled) override;
virtual bool shaped_text_get_preserve_invalid(const RID &p_shaped) const override;
virtual void shaped_text_set_preserve_control(const RID &p_shaped, bool p_enabled) override;
virtual bool shaped_text_get_preserve_control(const RID &p_shaped) const override;
virtual void shaped_text_set_spacing(const RID &p_shaped, SpacingType p_spacing, int64_t p_value) override;
virtual int64_t shaped_text_get_spacing(const RID &p_shaped, SpacingType p_spacing) const override;
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;
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;
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;
virtual int64_t shaped_get_span_count(const RID &p_shaped) const override;
virtual Variant shaped_get_span_meta(const RID &p_shaped, int64_t p_index) const override;
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;
virtual RID shaped_text_substr(const RID &p_shaped, int64_t p_start, int64_t p_length) const override;
virtual RID shaped_text_get_parent(const RID &p_shaped) const override;
virtual double shaped_text_fit_to_width(const RID &p_shaped, double p_width, BitField<TextServer::JustificationFlag> p_jst_flags = JUSTIFICATION_WORD_BOUND | JUSTIFICATION_KASHIDA) override;
virtual double shaped_text_tab_align(const RID &p_shaped, const PackedFloat32Array &p_tab_stops) override;
virtual bool shaped_text_shape(const RID &p_shaped) override;
virtual bool shaped_text_update_breaks(const RID &p_shaped) override;
virtual bool shaped_text_update_justification_ops(const RID &p_shaped) override;
virtual int64_t shaped_text_get_trim_pos(const RID &p_shaped) const override;
virtual int64_t shaped_text_get_ellipsis_pos(const RID &p_shaped) const override;
virtual const Glyph *shaped_text_get_ellipsis_glyphs(const RID &p_shaped) const override;
virtual int64_t shaped_text_get_ellipsis_glyph_count(const RID &p_shaped) const override;
virtual void shaped_text_overrun_trim_to_width(const RID &p_shaped, double p_width, BitField<TextServer::TextOverrunFlag> p_trim_flags) override;
virtual bool shaped_text_is_ready(const RID &p_shaped) const override;
virtual const Glyph *shaped_text_get_glyphs(const RID &p_shaped) const override;
virtual const Glyph *shaped_text_sort_logical(const RID &p_shaped) override;
virtual int64_t shaped_text_get_glyph_count(const RID &p_shaped) const override;
virtual Vector2i shaped_text_get_range(const RID &p_shaped) const override;
virtual Array shaped_text_get_objects(const RID &p_shaped) const override;
virtual Rect2 shaped_text_get_object_rect(const RID &p_shaped, const Variant &p_key) const override;
virtual Size2 shaped_text_get_size(const RID &p_shaped) const override;
virtual double shaped_text_get_ascent(const RID &p_shaped) const override;
virtual double shaped_text_get_descent(const RID &p_shaped) const override;
virtual double shaped_text_get_width(const RID &p_shaped) const override;
virtual double shaped_text_get_underline_position(const RID &p_shaped) const override;
virtual double shaped_text_get_underline_thickness(const RID &p_shaped) const override;
virtual String format_number(const String &p_string, const String &p_language = "") const override;
virtual String parse_number(const String &p_string, const String &p_language = "") const override;
virtual String percent_sign(const String &p_language = "") const override;
virtual PackedInt32Array string_get_word_breaks(const String &p_string, const String &p_language = "") const override;
virtual int is_confusable(const String &p_string, const PackedStringArray &p_dict) const override;
virtual bool spoof_check(const String &p_string) const override;
virtual String strip_diacritics(const String &p_string) const override;
virtual bool is_valid_identifier(const String &p_string) const override;
virtual String string_to_upper(const String &p_string, const String &p_language = "") const override;
virtual String string_to_lower(const String &p_string, const String &p_language = "") const override;
TextServerAdvanced();
~TextServerAdvanced();
};
#endif // TEXT_SERVER_ADV_H
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