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godot/modules/text_server_adv/text_server_adv.h
bruvzg e698870caa
Update ICU to 76.1
2024-10-24 22:47:59 +03:00

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/**************************************************************************/
/* text_server_adv.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/*************************************************************************/
#include "script_iterator.h"
#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/ext_wrappers.gen.inc>
#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/typed_array.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/safe_refcount.hpp>
#include <godot_cpp/templates/vector.hpp>
using namespace godot;
#elif defined(GODOT_MODULE)
// Headers for building as built-in module.
#include "core/extension/ext_wrappers.gen.inc"
#include "core/object/worker_thread_pool.h"
#include "core/templates/hash_map.h"
#include "core/templates/rid_owner.h"
#include "core/templates/safe_refcount.h"
#include "scene/resources/image_texture.h"
#include "servers/text/text_server_extension.h"
#include "modules/modules_enabled.gen.h" // For freetype, msdfgen, svg.
#endif
// Thirdparty headers.
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wshadow"
#endif
#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>
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic pop
#endif
#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 FT_MODULE_H
#include FT_CONFIG_OPTIONS_H
#if !defined(FT_CONFIG_OPTION_USE_BROTLI) && !defined(_MSC_VER)
#warning FreeType is configured without Brotli support, built-in fonts will not be available.
#endif
#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;
SafeNumeric<TextServer::FontLCDSubpixelLayout> lcd_subpixel_layout{ TextServer::FontLCDSubpixelLayout::FONT_LCD_SUBPIXEL_LAYOUT_NONE };
void _update_settings();
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.
static bool icu_data_loaded;
static PackedByteArray icu_data;
mutable USet *allowed = nullptr;
mutable USpoofChecker *sc_spoof = nullptr;
mutable USpoofChecker *sc_conf = nullptr;
// Font cache data.
#ifdef MODULE_FREETYPE_ENABLED
mutable FT_Library ft_library = nullptr;
#endif
const int rect_range = 1;
struct FontTexturePosition {
int32_t index = -1;
int32_t x = 0;
int32_t y = 0;
FontTexturePosition() {}
FontTexturePosition(int32_t p_id, int32_t p_x, int32_t p_y) :
index(p_id), x(p_x), y(p_y) {}
};
struct Shelf {
int32_t x = 0;
int32_t y = 0;
int32_t w = 0;
int32_t h = 0;
FontTexturePosition alloc_shelf(int32_t p_id, int32_t p_w, int32_t p_h) {
if (p_w > w || p_h > h) {
return FontTexturePosition(-1, 0, 0);
}
int32_t xx = x;
x += p_w;
w -= p_w;
return FontTexturePosition(p_id, xx, y);
}
Shelf() {}
Shelf(int32_t p_x, int32_t p_y, int32_t p_w, int32_t p_h) :
x(p_x), y(p_y), w(p_w), h(p_h) {}
};
struct ShelfPackTexture {
int32_t texture_w = 1024;
int32_t texture_h = 1024;
Ref<Image> image;
Ref<ImageTexture> texture;
bool dirty = true;
List<Shelf> shelves;
FontTexturePosition pack_rect(int32_t p_id, int32_t p_h, int32_t p_w) {
int32_t y = 0;
int32_t waste = 0;
Shelf *best_shelf = nullptr;
int32_t best_waste = std::numeric_limits<std::int32_t>::max();
for (Shelf &E : shelves) {
y += E.h;
if (p_w > E.w) {
continue;
}
if (p_h == E.h) {
return E.alloc_shelf(p_id, p_w, p_h);
}
if (p_h > E.h) {
continue;
}
if (p_h < E.h) {
waste = (E.h - p_h) * p_w;
if (waste < best_waste) {
best_waste = waste;
best_shelf = &E;
}
}
}
if (best_shelf) {
return best_shelf->alloc_shelf(p_id, p_w, p_h);
}
if (p_h <= (texture_h - y) && p_w <= texture_w) {
List<Shelf>::Element *E = shelves.push_back(Shelf(0, y, texture_w, p_h));
return E->get().alloc_shelf(p_id, p_w, p_h);
}
return FontTexturePosition(-1, 0, 0);
}
ShelfPackTexture() {}
ShelfPackTexture(int32_t p_w, int32_t p_h) :
texture_w(p_w), texture_h(p_h) {}
};
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<ShelfPackTexture> textures;
HashMap<int64_t, int64_t> inv_glyph_map;
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 FontAdvancedLinkedVariation {
RID base_font;
int extra_spacing[4] = { 0, 0, 0, 0 };
double baseline_offset = 0.0;
};
struct FontAdvanced {
Mutex mutex;
TextServer::FontAntialiasing antialiasing = TextServer::FONT_ANTIALIASING_GRAY;
bool disable_embedded_bitmaps = true;
bool mipmaps = false;
bool msdf = false;
int msdf_range = 14;
FixedSizeScaleMode fixed_size_scale_mode = FIXED_SIZE_SCALE_DISABLE;
int msdf_source_size = 48;
int fixed_size = 0;
bool allow_system_fallback = true;
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;
int weight = 400;
int stretch = 100;
int extra_spacing[4] = { 0, 0, 0, 0 };
double baseline_offset = 0.0;
HashMap<Vector2i, FontForSizeAdvanced *> 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 *p_outline, const Vector2 &p_advance) const;
#endif
#ifdef MODULE_FREETYPE_ENABLED
_FORCE_INLINE_ FontGlyph rasterize_bitmap(FontForSizeAdvanced *p_data, int p_rect_margin, FT_Bitmap p_bitmap, int p_yofs, int p_xofs, const Vector2 &p_advance, bool p_bgra) const;
#endif
_FORCE_INLINE_ bool _ensure_glyph(FontAdvanced *p_font_data, const Vector2i &p_size, int32_t p_glyph, FontGlyph &r_glyph) const;
_FORCE_INLINE_ bool _ensure_cache_for_size(FontAdvanced *p_font_data, const Vector2i &p_size, FontForSizeAdvanced *&r_cache_for_size, bool p_silent = false) const;
_FORCE_INLINE_ bool _font_validate(const RID &p_font_rid) const;
_FORCE_INLINE_ void _font_clear_cache(FontAdvanced *p_font_data);
static void _generateMTSDF_threaded(void *p_td, uint32_t p_y);
_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;
_FORCE_INLINE_ int _font_get_weight_by_name(const String &p_sty_name) const {
String sty_name = p_sty_name.replace(" ", "").replace("-", "");
if (sty_name.contains("thin") || sty_name.contains("hairline")) {
return 100;
} else if (sty_name.contains("extralight") || sty_name.contains("ultralight")) {
return 200;
} else if (sty_name.contains("light")) {
return 300;
} else if (sty_name.contains("semilight")) {
return 350;
} else if (sty_name.contains("regular")) {
return 400;
} else if (sty_name.contains("medium")) {
return 500;
} else if (sty_name.contains("semibold") || sty_name.contains("demibold")) {
return 600;
} else if (sty_name.contains("bold")) {
return 700;
} else if (sty_name.contains("extrabold") || sty_name.contains("ultrabold")) {
return 800;
} else if (sty_name.contains("black") || sty_name.contains("heavy")) {
return 900;
} else if (sty_name.contains("extrablack") || sty_name.contains("ultrablack")) {
return 950;
}
return 400;
}
_FORCE_INLINE_ int _font_get_stretch_by_name(const String &p_sty_name) const {
String sty_name = p_sty_name.replace(" ", "").replace("-", "");
if (sty_name.contains("ultracondensed")) {
return 50;
} else if (sty_name.contains("extracondensed")) {
return 63;
} else if (sty_name.contains("condensed")) {
return 75;
} else if (sty_name.contains("semicondensed")) {
return 87;
} else if (sty_name.contains("semiexpanded")) {
return 113;
} else if (sty_name.contains("expanded")) {
return 125;
} else if (sty_name.contains("extraexpanded")) {
return 150;
} else if (sty_name.contains("ultraexpanded")) {
return 200;
}
return 100;
}
_FORCE_INLINE_ bool _is_ital_style(const String &p_sty_name) const {
return p_sty_name.contains("italic") || p_sty_name.contains("oblique");
}
// 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 start = -1;
int end = -1;
InlineAlignment inline_align = INLINE_ALIGNMENT_CENTER;
Rect2 rect;
double baseline = 0;
};
HashMap<Variant, EmbeddedObject, VariantHasher, VariantComparator> objects;
/* Shaped data */
TextServer::Direction para_direction = DIRECTION_LTR; // Detected text direction.
int base_para_direction = UBIDI_DEFAULT_LTR;
SafeFlag 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;
char32_t el_char = 0x2026;
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<Vector3i> bidi_override;
ScriptIterator *script_iter = nullptr;
hb_buffer_t *hb_buffer = nullptr;
HashMap<int, bool> jstops;
HashMap<int, bool> breaks;
PackedInt32Array chars;
int break_inserts = 0;
bool break_ops_valid = false;
bool js_ops_valid = false;
bool chars_valid = false;
~ShapedTextDataAdvanced() {
for (int i = 0; i < bidi_iter.size(); i++) {
if (bidi_iter[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<FontAdvancedLinkedVariation> font_var_owner;
mutable RID_PtrOwner<FontAdvanced> font_owner;
mutable RID_PtrOwner<ShapedTextDataAdvanced> shaped_owner;
_FORCE_INLINE_ FontAdvanced *_get_font_data(const RID &p_font_rid) const {
RID rid = p_font_rid;
FontAdvancedLinkedVariation *fdv = font_var_owner.get_or_null(rid);
if (unlikely(fdv)) {
rid = fdv->base_font;
}
return font_owner.get_or_null(rid);
}
struct SystemFontKey {
String font_name;
TextServer::FontAntialiasing antialiasing = TextServer::FONT_ANTIALIASING_GRAY;
bool disable_embedded_bitmaps = true;
bool italic = false;
bool mipmaps = false;
bool msdf = false;
bool force_autohinter = false;
int weight = 400;
int stretch = 100;
int msdf_range = 14;
int msdf_source_size = 48;
int fixed_size = 0;
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;
int extra_spacing[4] = { 0, 0, 0, 0 };
double baseline_offset = 0.0;
bool operator==(const SystemFontKey &p_b) const {
return (font_name == p_b.font_name) && (antialiasing == p_b.antialiasing) && (italic == p_b.italic) && (disable_embedded_bitmaps == p_b.disable_embedded_bitmaps) && (mipmaps == p_b.mipmaps) && (msdf == p_b.msdf) && (force_autohinter == p_b.force_autohinter) && (weight == p_b.weight) && (stretch == p_b.stretch) && (msdf_range == p_b.msdf_range) && (msdf_source_size == p_b.msdf_source_size) && (fixed_size == p_b.fixed_size) && (hinting == p_b.hinting) && (subpixel_positioning == p_b.subpixel_positioning) && (variation_coordinates == p_b.variation_coordinates) && (oversampling == p_b.oversampling) && (embolden == p_b.embolden) && (transform == p_b.transform) && (extra_spacing[SPACING_TOP] == p_b.extra_spacing[SPACING_TOP]) && (extra_spacing[SPACING_BOTTOM] == p_b.extra_spacing[SPACING_BOTTOM]) && (extra_spacing[SPACING_SPACE] == p_b.extra_spacing[SPACING_SPACE]) && (extra_spacing[SPACING_GLYPH] == p_b.extra_spacing[SPACING_GLYPH]) && (baseline_offset == p_b.baseline_offset);
}
SystemFontKey(const String &p_font_name, bool p_italic, int p_weight, int p_stretch, RID p_font, const TextServerAdvanced *p_fb) {
font_name = p_font_name;
italic = p_italic;
weight = p_weight;
stretch = p_stretch;
antialiasing = p_fb->_font_get_antialiasing(p_font);
disable_embedded_bitmaps = p_fb->_font_get_disable_embedded_bitmaps(p_font);
mipmaps = p_fb->_font_get_generate_mipmaps(p_font);
msdf = p_fb->_font_is_multichannel_signed_distance_field(p_font);
msdf_range = p_fb->_font_get_msdf_pixel_range(p_font);
msdf_source_size = p_fb->_font_get_msdf_size(p_font);
fixed_size = p_fb->_font_get_fixed_size(p_font);
force_autohinter = p_fb->_font_is_force_autohinter(p_font);
hinting = p_fb->_font_get_hinting(p_font);
subpixel_positioning = p_fb->_font_get_subpixel_positioning(p_font);
variation_coordinates = p_fb->_font_get_variation_coordinates(p_font);
oversampling = p_fb->_font_get_oversampling(p_font);
embolden = p_fb->_font_get_embolden(p_font);
transform = p_fb->_font_get_transform(p_font);
extra_spacing[SPACING_TOP] = p_fb->_font_get_spacing(p_font, SPACING_TOP);
extra_spacing[SPACING_BOTTOM] = p_fb->_font_get_spacing(p_font, SPACING_BOTTOM);
extra_spacing[SPACING_SPACE] = p_fb->_font_get_spacing(p_font, SPACING_SPACE);
extra_spacing[SPACING_GLYPH] = p_fb->_font_get_spacing(p_font, SPACING_GLYPH);
baseline_offset = p_fb->_font_get_baseline_offset(p_font);
}
};
struct SystemFontCacheRec {
RID rid;
int index = 0;
};
struct SystemFontCache {
Vector<SystemFontCacheRec> var;
int max_var = 0;
};
struct SystemFontKeyHasher {
_FORCE_INLINE_ static uint32_t hash(const SystemFontKey &p_a) {
uint32_t hash = p_a.font_name.hash();
hash = hash_murmur3_one_32(p_a.variation_coordinates.hash(), hash);
hash = hash_murmur3_one_32(p_a.weight, hash);
hash = hash_murmur3_one_32(p_a.stretch, hash);
hash = hash_murmur3_one_32(p_a.msdf_range, hash);
hash = hash_murmur3_one_32(p_a.msdf_source_size, hash);
hash = hash_murmur3_one_32(p_a.fixed_size, hash);
hash = hash_murmur3_one_double(p_a.oversampling, hash);
hash = hash_murmur3_one_double(p_a.embolden, hash);
hash = hash_murmur3_one_real(p_a.transform[0].x, hash);
hash = hash_murmur3_one_real(p_a.transform[0].y, hash);
hash = hash_murmur3_one_real(p_a.transform[1].x, hash);
hash = hash_murmur3_one_real(p_a.transform[1].y, hash);
hash = hash_murmur3_one_32(p_a.extra_spacing[SPACING_TOP], hash);
hash = hash_murmur3_one_32(p_a.extra_spacing[SPACING_BOTTOM], hash);
hash = hash_murmur3_one_32(p_a.extra_spacing[SPACING_SPACE], hash);
hash = hash_murmur3_one_32(p_a.extra_spacing[SPACING_GLYPH], hash);
hash = hash_murmur3_one_double(p_a.baseline_offset, hash);
return hash_fmix32(hash_murmur3_one_32(((int)p_a.mipmaps) | ((int)p_a.msdf << 1) | ((int)p_a.italic << 2) | ((int)p_a.force_autohinter << 3) | ((int)p_a.hinting << 4) | ((int)p_a.subpixel_positioning << 8) | ((int)p_a.antialiasing << 12) | ((int)p_a.disable_embedded_bitmaps << 14), hash));
}
};
mutable HashMap<SystemFontKey, SystemFontCache, SystemFontKeyHasher> system_fonts;
mutable HashMap<String, PackedByteArray> system_font_data;
void _update_chars(ShapedTextDataAdvanced *p_sd) const;
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, TypedArray<RID> p_fonts, int64_t p_span, int64_t p_fb_index, int64_t p_prev_start, int64_t p_prev_end, RID p_prev_font);
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_ RID _find_sys_font_for_text(const RID &p_fdef, const String &p_script_code, const String &p_language, const String &p_text);
_FORCE_INLINE_ void _add_featuers(const Dictionary &p_source, Vector<hb_feature_t> &r_ftrs);
Mutex ft_mutex;
// 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) {
return (l.flags & TextServer::GRAPHEME_IS_VIRTUAL) < (r.flags & TextServer::GRAPHEME_IS_VIRTUAL);
}
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:
MODBIND1RC(bool, has_feature, Feature);
MODBIND0RC(String, get_name);
MODBIND0RC(int64_t, get_features);
MODBIND1(free_rid, const RID &);
MODBIND1R(bool, has, const RID &);
MODBIND1R(bool, load_support_data, const String &);
MODBIND0RC(String, get_support_data_filename);
MODBIND0RC(String, get_support_data_info);
MODBIND1RC(bool, save_support_data, const String &);
MODBIND1RC(bool, is_locale_right_to_left, const String &);
MODBIND1RC(int64_t, name_to_tag, const String &);
MODBIND1RC(String, tag_to_name, int64_t);
/* Font interface */
MODBIND0R(RID, create_font);
MODBIND1R(RID, create_font_linked_variation, const RID &);
MODBIND2(font_set_data, const RID &, const PackedByteArray &);
MODBIND3(font_set_data_ptr, const RID &, const uint8_t *, int64_t);
MODBIND2(font_set_face_index, const RID &, int64_t);
MODBIND1RC(int64_t, font_get_face_index, const RID &);
MODBIND1RC(int64_t, font_get_face_count, const RID &);
MODBIND2(font_set_style, const RID &, BitField<FontStyle>);
MODBIND1RC(BitField<FontStyle>, font_get_style, const RID &);
MODBIND2(font_set_style_name, const RID &, const String &);
MODBIND1RC(String, font_get_style_name, const RID &);
MODBIND2(font_set_weight, const RID &, int64_t);
MODBIND1RC(int64_t, font_get_weight, const RID &);
MODBIND2(font_set_stretch, const RID &, int64_t);
MODBIND1RC(int64_t, font_get_stretch, const RID &);
MODBIND2(font_set_name, const RID &, const String &);
MODBIND1RC(String, font_get_name, const RID &);
MODBIND1RC(Dictionary, font_get_ot_name_strings, const RID &);
MODBIND2(font_set_antialiasing, const RID &, TextServer::FontAntialiasing);
MODBIND1RC(TextServer::FontAntialiasing, font_get_antialiasing, const RID &);
MODBIND2(font_set_disable_embedded_bitmaps, const RID &, bool);
MODBIND1RC(bool, font_get_disable_embedded_bitmaps, const RID &);
MODBIND2(font_set_generate_mipmaps, const RID &, bool);
MODBIND1RC(bool, font_get_generate_mipmaps, const RID &);
MODBIND2(font_set_multichannel_signed_distance_field, const RID &, bool);
MODBIND1RC(bool, font_is_multichannel_signed_distance_field, const RID &);
MODBIND2(font_set_msdf_pixel_range, const RID &, int64_t);
MODBIND1RC(int64_t, font_get_msdf_pixel_range, const RID &);
MODBIND2(font_set_msdf_size, const RID &, int64_t);
MODBIND1RC(int64_t, font_get_msdf_size, const RID &);
MODBIND2(font_set_fixed_size, const RID &, int64_t);
MODBIND1RC(int64_t, font_get_fixed_size, const RID &);
MODBIND2(font_set_fixed_size_scale_mode, const RID &, FixedSizeScaleMode);
MODBIND1RC(FixedSizeScaleMode, font_get_fixed_size_scale_mode, const RID &);
MODBIND2(font_set_allow_system_fallback, const RID &, bool);
MODBIND1RC(bool, font_is_allow_system_fallback, const RID &);
MODBIND2(font_set_force_autohinter, const RID &, bool);
MODBIND1RC(bool, font_is_force_autohinter, const RID &);
MODBIND2(font_set_subpixel_positioning, const RID &, SubpixelPositioning);
MODBIND1RC(SubpixelPositioning, font_get_subpixel_positioning, const RID &);
MODBIND2(font_set_embolden, const RID &, double);
MODBIND1RC(double, font_get_embolden, const RID &);
MODBIND3(font_set_spacing, const RID &, SpacingType, int64_t);
MODBIND2RC(int64_t, font_get_spacing, const RID &, SpacingType);
MODBIND2(font_set_baseline_offset, const RID &, double);
MODBIND1RC(double, font_get_baseline_offset, const RID &);
MODBIND2(font_set_transform, const RID &, const Transform2D &);
MODBIND1RC(Transform2D, font_get_transform, const RID &);
MODBIND2(font_set_variation_coordinates, const RID &, const Dictionary &);
MODBIND1RC(Dictionary, font_get_variation_coordinates, const RID &);
MODBIND2(font_set_hinting, const RID &, TextServer::Hinting);
MODBIND1RC(TextServer::Hinting, font_get_hinting, const RID &);
MODBIND2(font_set_oversampling, const RID &, double);
MODBIND1RC(double, font_get_oversampling, const RID &);
MODBIND1RC(TypedArray<Vector2i>, font_get_size_cache_list, const RID &);
MODBIND1(font_clear_size_cache, const RID &);
MODBIND2(font_remove_size_cache, const RID &, const Vector2i &);
MODBIND3(font_set_ascent, const RID &, int64_t, double);
MODBIND2RC(double, font_get_ascent, const RID &, int64_t);
MODBIND3(font_set_descent, const RID &, int64_t, double);
MODBIND2RC(double, font_get_descent, const RID &, int64_t);
MODBIND3(font_set_underline_position, const RID &, int64_t, double);
MODBIND2RC(double, font_get_underline_position, const RID &, int64_t);
MODBIND3(font_set_underline_thickness, const RID &, int64_t, double);
MODBIND2RC(double, font_get_underline_thickness, const RID &, int64_t);
MODBIND3(font_set_scale, const RID &, int64_t, double);
MODBIND2RC(double, font_get_scale, const RID &, int64_t);
MODBIND2RC(int64_t, font_get_texture_count, const RID &, const Vector2i &);
MODBIND2(font_clear_textures, const RID &, const Vector2i &);
MODBIND3(font_remove_texture, const RID &, const Vector2i &, int64_t);
MODBIND4(font_set_texture_image, const RID &, const Vector2i &, int64_t, const Ref<Image> &);
MODBIND3RC(Ref<Image>, font_get_texture_image, const RID &, const Vector2i &, int64_t);
MODBIND4(font_set_texture_offsets, const RID &, const Vector2i &, int64_t, const PackedInt32Array &);
MODBIND3RC(PackedInt32Array, font_get_texture_offsets, const RID &, const Vector2i &, int64_t);
MODBIND2RC(PackedInt32Array, font_get_glyph_list, const RID &, const Vector2i &);
MODBIND2(font_clear_glyphs, const RID &, const Vector2i &);
MODBIND3(font_remove_glyph, const RID &, const Vector2i &, int64_t);
MODBIND3RC(Vector2, font_get_glyph_advance, const RID &, int64_t, int64_t);
MODBIND4(font_set_glyph_advance, const RID &, int64_t, int64_t, const Vector2 &);
MODBIND3RC(Vector2, font_get_glyph_offset, const RID &, const Vector2i &, int64_t);
MODBIND4(font_set_glyph_offset, const RID &, const Vector2i &, int64_t, const Vector2 &);
MODBIND3RC(Vector2, font_get_glyph_size, const RID &, const Vector2i &, int64_t);
MODBIND4(font_set_glyph_size, const RID &, const Vector2i &, int64_t, const Vector2 &);
MODBIND3RC(Rect2, font_get_glyph_uv_rect, const RID &, const Vector2i &, int64_t);
MODBIND4(font_set_glyph_uv_rect, const RID &, const Vector2i &, int64_t, const Rect2 &);
MODBIND3RC(int64_t, font_get_glyph_texture_idx, const RID &, const Vector2i &, int64_t);
MODBIND4(font_set_glyph_texture_idx, const RID &, const Vector2i &, int64_t, int64_t);
MODBIND3RC(RID, font_get_glyph_texture_rid, const RID &, const Vector2i &, int64_t);
MODBIND3RC(Size2, font_get_glyph_texture_size, const RID &, const Vector2i &, int64_t);
MODBIND3RC(Dictionary, font_get_glyph_contours, const RID &, int64_t, int64_t);
MODBIND2RC(TypedArray<Vector2i>, font_get_kerning_list, const RID &, int64_t);
MODBIND2(font_clear_kerning_map, const RID &, int64_t);
MODBIND3(font_remove_kerning, const RID &, int64_t, const Vector2i &);
MODBIND4(font_set_kerning, const RID &, int64_t, const Vector2i &, const Vector2 &);
MODBIND3RC(Vector2, font_get_kerning, const RID &, int64_t, const Vector2i &);
MODBIND4RC(int64_t, font_get_glyph_index, const RID &, int64_t, int64_t, int64_t);
MODBIND3RC(int64_t, font_get_char_from_glyph_index, const RID &, int64_t, int64_t);
MODBIND2RC(bool, font_has_char, const RID &, int64_t);
MODBIND1RC(String, font_get_supported_chars, const RID &);
MODBIND1RC(PackedInt32Array, font_get_supported_glyphs, const RID &);
MODBIND4(font_render_range, const RID &, const Vector2i &, int64_t, int64_t);
MODBIND3(font_render_glyph, const RID &, const Vector2i &, int64_t);
MODBIND6C(font_draw_glyph, const RID &, const RID &, int64_t, const Vector2 &, int64_t, const Color &);
MODBIND7C(font_draw_glyph_outline, const RID &, const RID &, int64_t, int64_t, const Vector2 &, int64_t, const Color &);
MODBIND2RC(bool, font_is_language_supported, const RID &, const String &);
MODBIND3(font_set_language_support_override, const RID &, const String &, bool);
MODBIND2R(bool, font_get_language_support_override, const RID &, const String &);
MODBIND2(font_remove_language_support_override, const RID &, const String &);
MODBIND1R(PackedStringArray, font_get_language_support_overrides, const RID &);
MODBIND2RC(bool, font_is_script_supported, const RID &, const String &);
MODBIND3(font_set_script_support_override, const RID &, const String &, bool);
MODBIND2R(bool, font_get_script_support_override, const RID &, const String &);
MODBIND2(font_remove_script_support_override, const RID &, const String &);
MODBIND1R(PackedStringArray, font_get_script_support_overrides, const RID &);
MODBIND2(font_set_opentype_feature_overrides, const RID &, const Dictionary &);
MODBIND1RC(Dictionary, font_get_opentype_feature_overrides, const RID &);
MODBIND1RC(Dictionary, font_supported_feature_list, const RID &);
MODBIND1RC(Dictionary, font_supported_variation_list, const RID &);
MODBIND0RC(double, font_get_global_oversampling);
MODBIND1(font_set_global_oversampling, double);
/* Shaped text buffer interface */
MODBIND2R(RID, create_shaped_text, Direction, Orientation);
MODBIND1(shaped_text_clear, const RID &);
MODBIND2(shaped_text_set_direction, const RID &, Direction);
MODBIND1RC(Direction, shaped_text_get_direction, const RID &);
MODBIND1RC(Direction, shaped_text_get_inferred_direction, const RID &);
MODBIND2(shaped_text_set_bidi_override, const RID &, const Array &);
MODBIND2(shaped_text_set_custom_punctuation, const RID &, const String &);
MODBIND1RC(String, shaped_text_get_custom_punctuation, const RID &);
MODBIND2(shaped_text_set_custom_ellipsis, const RID &, int64_t);
MODBIND1RC(int64_t, shaped_text_get_custom_ellipsis, const RID &);
MODBIND2(shaped_text_set_orientation, const RID &, Orientation);
MODBIND1RC(Orientation, shaped_text_get_orientation, const RID &);
MODBIND2(shaped_text_set_preserve_invalid, const RID &, bool);
MODBIND1RC(bool, shaped_text_get_preserve_invalid, const RID &);
MODBIND2(shaped_text_set_preserve_control, const RID &, bool);
MODBIND1RC(bool, shaped_text_get_preserve_control, const RID &);
MODBIND3(shaped_text_set_spacing, const RID &, SpacingType, int64_t);
MODBIND2RC(int64_t, shaped_text_get_spacing, const RID &, SpacingType);
MODBIND7R(bool, shaped_text_add_string, const RID &, const String &, const TypedArray<RID> &, int64_t, const Dictionary &, const String &, const Variant &);
MODBIND6R(bool, shaped_text_add_object, const RID &, const Variant &, const Size2 &, InlineAlignment, int64_t, double);
MODBIND5R(bool, shaped_text_resize_object, const RID &, const Variant &, const Size2 &, InlineAlignment, double);
MODBIND1RC(int64_t, shaped_get_span_count, const RID &);
MODBIND2RC(Variant, shaped_get_span_meta, const RID &, int64_t);
MODBIND5(shaped_set_span_update_font, const RID &, int64_t, const TypedArray<RID> &, int64_t, const Dictionary &);
MODBIND3RC(RID, shaped_text_substr, const RID &, int64_t, int64_t);
MODBIND1RC(RID, shaped_text_get_parent, const RID &);
MODBIND3R(double, shaped_text_fit_to_width, const RID &, double, BitField<TextServer::JustificationFlag>);
MODBIND2R(double, shaped_text_tab_align, const RID &, const PackedFloat32Array &);
MODBIND1R(bool, shaped_text_shape, const RID &);
MODBIND1R(bool, shaped_text_update_breaks, const RID &);
MODBIND1R(bool, shaped_text_update_justification_ops, const RID &);
MODBIND1RC(int64_t, shaped_text_get_trim_pos, const RID &);
MODBIND1RC(int64_t, shaped_text_get_ellipsis_pos, const RID &);
MODBIND1RC(const Glyph *, shaped_text_get_ellipsis_glyphs, const RID &);
MODBIND1RC(int64_t, shaped_text_get_ellipsis_glyph_count, const RID &);
MODBIND3(shaped_text_overrun_trim_to_width, const RID &, double, BitField<TextServer::TextOverrunFlag>);
MODBIND1RC(bool, shaped_text_is_ready, const RID &);
MODBIND1RC(const Glyph *, shaped_text_get_glyphs, const RID &);
MODBIND1R(const Glyph *, shaped_text_sort_logical, const RID &);
MODBIND1RC(int64_t, shaped_text_get_glyph_count, const RID &);
MODBIND1RC(Vector2i, shaped_text_get_range, const RID &);
MODBIND1RC(Array, shaped_text_get_objects, const RID &);
MODBIND2RC(Rect2, shaped_text_get_object_rect, const RID &, const Variant &);
MODBIND2RC(Vector2i, shaped_text_get_object_range, const RID &, const Variant &);
MODBIND2RC(int64_t, shaped_text_get_object_glyph, const RID &, const Variant &);
MODBIND1RC(Size2, shaped_text_get_size, const RID &);
MODBIND1RC(double, shaped_text_get_ascent, const RID &);
MODBIND1RC(double, shaped_text_get_descent, const RID &);
MODBIND1RC(double, shaped_text_get_width, const RID &);
MODBIND1RC(double, shaped_text_get_underline_position, const RID &);
MODBIND1RC(double, shaped_text_get_underline_thickness, const RID &);
MODBIND1RC(PackedInt32Array, shaped_text_get_character_breaks, const RID &);
MODBIND2RC(String, format_number, const String &, const String &);
MODBIND2RC(String, parse_number, const String &, const String &);
MODBIND1RC(String, percent_sign, const String &);
MODBIND3RC(PackedInt32Array, string_get_word_breaks, const String &, const String &, int64_t);
MODBIND2RC(PackedInt32Array, string_get_character_breaks, const String &, const String &);
MODBIND2RC(int64_t, is_confusable, const String &, const PackedStringArray &);
MODBIND1RC(bool, spoof_check, const String &);
MODBIND1RC(String, strip_diacritics, const String &);
MODBIND1RC(bool, is_valid_identifier, const String &);
MODBIND1RC(bool, is_valid_letter, uint64_t);
MODBIND2RC(String, string_to_upper, const String &, const String &);
MODBIND2RC(String, string_to_lower, const String &, const String &);
MODBIND2RC(String, string_to_title, const String &, const String &);
MODBIND0(cleanup);
TextServerAdvanced();
~TextServerAdvanced();
};
#endif // TEXT_SERVER_ADV_H
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