985 lines
38 KiB
C++
985 lines
38 KiB
C++
/**************************************************************************/
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/* text_server_adv.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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_ADV_H
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#define TEXT_SERVER_ADV_H
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/*************************************************************************/
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/* ICU/HarfBuzz/Graphite backed Text Server implementation with BiDi, */
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/* shaping and advanced font features support. */
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/*************************************************************************/
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#include "script_iterator.h"
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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/ext_wrappers.gen.inc>
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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/typed_array.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/classes/worker_thread_pool.hpp>
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#include <godot_cpp/templates/hash_map.hpp>
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#include <godot_cpp/templates/hash_set.hpp>
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#include <godot_cpp/templates/rid_owner.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 "core/extension/ext_wrappers.gen.inc"
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#include "core/object/worker_thread_pool.h"
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#include "core/templates/hash_map.h"
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#include "core/templates/rid_owner.h"
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#include "scene/resources/image_texture.h"
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#include "servers/text/text_server_extension.h"
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#include "modules/modules_enabled.gen.h" // For freetype, msdfgen, svg.
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#endif
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// Thirdparty headers.
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#include <unicode/ubidi.h>
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#include <unicode/ubrk.h>
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#include <unicode/uchar.h>
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#include <unicode/uclean.h>
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#include <unicode/udata.h>
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#include <unicode/uiter.h>
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#include <unicode/uloc.h>
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#include <unicode/unorm2.h>
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#include <unicode/uscript.h>
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#include <unicode/uspoof.h>
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#include <unicode/ustring.h>
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#include <unicode/utypes.h>
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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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#include FT_MODULE_H
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#include FT_CONFIG_OPTIONS_H
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#if !defined(FT_CONFIG_OPTION_USE_BROTLI) && !defined(_MSC_VER)
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#warning FreeType is configured without Brotli support, built-in fonts will not be available.
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#endif
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#include <hb-ft.h>
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#include <hb-ot.h>
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#endif
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#include <hb-icu.h>
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#include <hb.h>
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/*************************************************************************/
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class TextServerAdvanced : public TextServerExtension {
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GDCLASS(TextServerAdvanced, TextServerExtension);
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_THREAD_SAFE_CLASS_
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struct NumSystemData {
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HashSet<StringName> lang;
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String digits;
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String percent_sign;
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String exp;
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};
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Vector<NumSystemData> num_systems;
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struct FeatureInfo {
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StringName name;
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Variant::Type vtype = Variant::INT;
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bool hidden = false;
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};
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HashMap<StringName, int32_t> feature_sets;
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HashMap<int32_t, FeatureInfo> feature_sets_inv;
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void _insert_num_systems_lang();
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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, Variant::Type p_vtype = Variant::INT, bool p_hidden = false);
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// ICU support data.
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static bool icu_data_loaded;
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static PackedByteArray icu_data;
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mutable USet *allowed = nullptr;
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mutable USpoofChecker *sc_spoof = nullptr;
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mutable USpoofChecker *sc_conf = nullptr;
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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 FontTexturePosition {
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int32_t index = -1;
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int32_t x = 0;
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int32_t y = 0;
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FontTexturePosition() {}
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FontTexturePosition(int32_t p_id, int32_t p_x, int32_t p_y) :
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index(p_id), x(p_x), y(p_y) {}
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};
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struct Shelf {
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int32_t x = 0;
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int32_t y = 0;
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int32_t w = 0;
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int32_t h = 0;
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FontTexturePosition alloc_shelf(int32_t p_id, int32_t p_w, int32_t p_h) {
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if (p_w > w || p_h > h) {
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return FontTexturePosition(-1, 0, 0);
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}
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int32_t xx = x;
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x += p_w;
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w -= p_w;
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return FontTexturePosition(p_id, xx, y);
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}
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Shelf() {}
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Shelf(int32_t p_x, int32_t p_y, int32_t p_w, int32_t p_h) :
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x(p_x), y(p_y), w(p_w), h(p_h) {}
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};
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struct ShelfPackTexture {
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int32_t texture_w = 1024;
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int32_t texture_h = 1024;
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Image::Format format;
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PackedByteArray imgdata;
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Ref<ImageTexture> texture;
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bool dirty = true;
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List<Shelf> shelves;
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FontTexturePosition pack_rect(int32_t p_id, int32_t p_h, int32_t p_w) {
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int32_t y = 0;
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int32_t waste = 0;
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Shelf *best_shelf = nullptr;
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int32_t best_waste = std::numeric_limits<std::int32_t>::max();
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for (Shelf &E : shelves) {
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y += E.h;
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if (p_w > E.w) {
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continue;
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}
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if (p_h == E.h) {
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return E.alloc_shelf(p_id, p_w, p_h);
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}
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if (p_h > E.h) {
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continue;
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}
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if (p_h < E.h) {
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waste = (E.h - p_h) * p_w;
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if (waste < best_waste) {
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best_waste = waste;
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best_shelf = &E;
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}
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}
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}
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if (best_shelf) {
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return best_shelf->alloc_shelf(p_id, p_w, p_h);
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}
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if (p_h <= (texture_h - y) && p_w <= texture_w) {
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List<Shelf>::Element *E = shelves.push_back(Shelf(0, y, texture_w, p_h));
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return E->get().alloc_shelf(p_id, p_w, p_h);
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}
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return FontTexturePosition(-1, 0, 0);
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}
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ShelfPackTexture() {}
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ShelfPackTexture(int32_t p_w, int32_t p_h) :
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texture_w(p_w), texture_h(p_h) {}
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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 FontForSizeAdvanced {
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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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Vector2i size;
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Vector<ShelfPackTexture> textures;
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HashMap<int64_t, int64_t> inv_glyph_map;
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HashMap<int32_t, FontGlyph> glyph_map;
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HashMap<Vector2i, Vector2> kerning_map;
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hb_font_t *hb_handle = nullptr;
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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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~FontForSizeAdvanced() {
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if (hb_handle != nullptr) {
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hb_font_destroy(hb_handle);
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}
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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 FontAdvancedLinkedVariation {
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RID base_font;
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int extra_spacing[4] = { 0, 0, 0, 0 };
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};
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struct FontAdvanced {
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Mutex mutex;
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TextServer::FontAntialiasing antialiasing = TextServer::FONT_ANTIALIASING_GRAY;
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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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FixedSizeScaleMode fixed_size_scale_mode = FIXED_SIZE_SCALE_DISABLE;
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int msdf_source_size = 48;
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int fixed_size = 0;
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bool allow_system_fallback = true;
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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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BitField<TextServer::FontStyle> style_flags = 0;
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String font_name;
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String style_name;
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int weight = 400;
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int stretch = 100;
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int extra_spacing[4] = { 0, 0, 0, 0 };
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HashMap<Vector2i, FontForSizeAdvanced *, VariantHasher, VariantComparator> cache;
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bool face_init = false;
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HashSet<uint32_t> supported_scripts;
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Dictionary supported_features;
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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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HashMap<String, bool> language_support_overrides;
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HashMap<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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int face_index = 0;
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~FontAdvanced() {
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for (const KeyValue<Vector2i, FontForSizeAdvanced *> &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(FontForSizeAdvanced *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(FontAdvanced *p_font_data, FontForSizeAdvanced *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(FontForSizeAdvanced *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance, bool p_bgra) const;
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#endif
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_FORCE_INLINE_ bool _ensure_glyph(FontAdvanced *p_font_data, const Vector2i &p_size, int32_t p_glyph) const;
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_FORCE_INLINE_ bool _ensure_cache_for_size(FontAdvanced *p_font_data, const Vector2i &p_size) const;
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_FORCE_INLINE_ void _font_clear_cache(FontAdvanced *p_font_data);
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static void _generateMTSDF_threaded(void *p_td, uint32_t p_y);
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_FORCE_INLINE_ Vector2i _get_size(const FontAdvanced *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 FontAdvanced *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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_FORCE_INLINE_ double _get_extra_advance(RID p_font_rid, int p_font_size) const;
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_FORCE_INLINE_ Variant::Type _get_tag_type(int64_t p_tag) const;
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_FORCE_INLINE_ bool _get_tag_hidden(int64_t p_tag) const;
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_FORCE_INLINE_ int _font_get_weight_by_name(const String &p_sty_name) const {
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String sty_name = p_sty_name.replace(" ", "").replace("-", "");
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if (sty_name.find("thin") >= 0 || sty_name.find("hairline") >= 0) {
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return 100;
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} else if (sty_name.find("extralight") >= 0 || sty_name.find("ultralight") >= 0) {
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return 200;
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} else if (sty_name.find("light") >= 0) {
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return 300;
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} else if (sty_name.find("semilight") >= 0) {
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return 350;
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} else if (sty_name.find("regular") >= 0) {
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return 400;
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} else if (sty_name.find("medium") >= 0) {
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return 500;
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} else if (sty_name.find("semibold") >= 0 || sty_name.find("demibold") >= 0) {
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return 600;
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} else if (sty_name.find("bold") >= 0) {
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return 700;
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} else if (sty_name.find("extrabold") >= 0 || sty_name.find("ultrabold") >= 0) {
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return 800;
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} else if (sty_name.find("black") >= 0 || sty_name.find("heavy") >= 0) {
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return 900;
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} else if (sty_name.find("extrablack") >= 0 || sty_name.find("ultrablack") >= 0) {
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return 950;
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}
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return 400;
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}
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_FORCE_INLINE_ int _font_get_stretch_by_name(const String &p_sty_name) const {
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String sty_name = p_sty_name.replace(" ", "").replace("-", "");
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if (sty_name.find("ultracondensed") >= 0) {
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return 50;
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} else if (sty_name.find("extracondensed") >= 0) {
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return 63;
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} else if (sty_name.find("condensed") >= 0) {
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return 75;
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} else if (sty_name.find("semicondensed") >= 0) {
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return 87;
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} else if (sty_name.find("semiexpanded") >= 0) {
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return 113;
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} else if (sty_name.find("expanded") >= 0) {
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return 125;
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} else if (sty_name.find("extraexpanded") >= 0) {
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return 150;
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} else if (sty_name.find("ultraexpanded") >= 0) {
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return 200;
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}
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return 100;
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}
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_FORCE_INLINE_ bool _is_ital_style(const String &p_sty_name) const {
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return (p_sty_name.find("italic") >= 0) || (p_sty_name.find("oblique") >= 0);
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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 ShapedTextDataAdvanced {
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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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};
|
|
Vector<Span> spans;
|
|
|
|
struct EmbeddedObject {
|
|
int pos = 0;
|
|
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;
|
|
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<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 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 };
|
|
|
|
bool operator==(const SystemFontKey &p_b) const {
|
|
return (font_name == p_b.font_name) && (antialiasing == p_b.antialiasing) && (italic == p_b.italic) && (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]);
|
|
}
|
|
|
|
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);
|
|
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);
|
|
}
|
|
};
|
|
|
|
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);
|
|
|
|
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), 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);
|
|
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);
|
|
|
|
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) {
|
|
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:
|
|
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_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_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);
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MODBIND4(font_set_texture_offsets, const RID &, const Vector2i &, int64_t, const PackedInt32Array &);
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MODBIND3RC(PackedInt32Array, font_get_texture_offsets, const RID &, const Vector2i &, int64_t);
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MODBIND2RC(PackedInt32Array, font_get_glyph_list, const RID &, const Vector2i &);
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MODBIND2(font_clear_glyphs, const RID &, const Vector2i &);
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MODBIND3(font_remove_glyph, const RID &, const Vector2i &, int64_t);
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MODBIND3RC(Vector2, font_get_glyph_advance, const RID &, int64_t, int64_t);
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MODBIND4(font_set_glyph_advance, const RID &, int64_t, int64_t, const Vector2 &);
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MODBIND3RC(Vector2, font_get_glyph_offset, const RID &, const Vector2i &, int64_t);
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MODBIND4(font_set_glyph_offset, const RID &, const Vector2i &, int64_t, const Vector2 &);
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MODBIND3RC(Vector2, font_get_glyph_size, const RID &, const Vector2i &, int64_t);
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MODBIND4(font_set_glyph_size, const RID &, const Vector2i &, int64_t, const Vector2 &);
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MODBIND3RC(Rect2, font_get_glyph_uv_rect, const RID &, const Vector2i &, int64_t);
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MODBIND4(font_set_glyph_uv_rect, const RID &, const Vector2i &, int64_t, const Rect2 &);
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MODBIND3RC(int64_t, font_get_glyph_texture_idx, const RID &, const Vector2i &, int64_t);
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MODBIND4(font_set_glyph_texture_idx, const RID &, const Vector2i &, int64_t, int64_t);
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MODBIND3RC(RID, font_get_glyph_texture_rid, const RID &, const Vector2i &, int64_t);
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MODBIND3RC(Size2, font_get_glyph_texture_size, const RID &, const Vector2i &, int64_t);
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MODBIND3RC(Dictionary, font_get_glyph_contours, const RID &, int64_t, int64_t);
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MODBIND2RC(TypedArray<Vector2i>, font_get_kerning_list, const RID &, int64_t);
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MODBIND2(font_clear_kerning_map, const RID &, int64_t);
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MODBIND3(font_remove_kerning, const RID &, int64_t, const Vector2i &);
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MODBIND4(font_set_kerning, const RID &, int64_t, const Vector2i &, const Vector2 &);
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MODBIND3RC(Vector2, font_get_kerning, const RID &, int64_t, const Vector2i &);
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MODBIND4RC(int64_t, font_get_glyph_index, const RID &, int64_t, int64_t, int64_t);
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MODBIND3RC(int64_t, font_get_char_from_glyph_index, const RID &, int64_t, int64_t);
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MODBIND2RC(bool, font_has_char, const RID &, int64_t);
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MODBIND1RC(String, font_get_supported_chars, const RID &);
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MODBIND4(font_render_range, const RID &, const Vector2i &, int64_t, int64_t);
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MODBIND3(font_render_glyph, const RID &, const Vector2i &, int64_t);
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MODBIND6C(font_draw_glyph, const RID &, const RID &, int64_t, const Vector2 &, int64_t, const Color &);
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MODBIND7C(font_draw_glyph_outline, const RID &, const RID &, int64_t, int64_t, const Vector2 &, int64_t, const Color &);
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MODBIND2RC(bool, font_is_language_supported, const RID &, const String &);
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MODBIND3(font_set_language_support_override, const RID &, const String &, bool);
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MODBIND2R(bool, font_get_language_support_override, const RID &, const String &);
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MODBIND2(font_remove_language_support_override, const RID &, const String &);
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MODBIND1R(PackedStringArray, font_get_language_support_overrides, const RID &);
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MODBIND2RC(bool, font_is_script_supported, const RID &, const String &);
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MODBIND3(font_set_script_support_override, const RID &, const String &, bool);
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MODBIND2R(bool, font_get_script_support_override, const RID &, const String &);
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MODBIND2(font_remove_script_support_override, const RID &, const String &);
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MODBIND1R(PackedStringArray, font_get_script_support_overrides, const RID &);
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MODBIND2(font_set_opentype_feature_overrides, const RID &, const Dictionary &);
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MODBIND1RC(Dictionary, font_get_opentype_feature_overrides, const RID &);
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MODBIND1RC(Dictionary, font_supported_feature_list, const RID &);
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MODBIND1RC(Dictionary, font_supported_variation_list, const RID &);
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MODBIND0RC(double, font_get_global_oversampling);
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MODBIND1(font_set_global_oversampling, double);
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/* Shaped text buffer interface */
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MODBIND2R(RID, create_shaped_text, Direction, Orientation);
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MODBIND1(shaped_text_clear, const RID &);
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MODBIND2(shaped_text_set_direction, const RID &, Direction);
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MODBIND1RC(Direction, shaped_text_get_direction, const RID &);
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MODBIND1RC(Direction, shaped_text_get_inferred_direction, const RID &);
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MODBIND2(shaped_text_set_bidi_override, const RID &, const Array &);
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MODBIND2(shaped_text_set_custom_punctuation, const RID &, const String &);
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MODBIND1RC(String, shaped_text_get_custom_punctuation, const RID &);
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MODBIND2(shaped_text_set_orientation, const RID &, Orientation);
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MODBIND1RC(Orientation, shaped_text_get_orientation, const RID &);
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MODBIND2(shaped_text_set_preserve_invalid, const RID &, bool);
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MODBIND1RC(bool, shaped_text_get_preserve_invalid, const RID &);
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MODBIND2(shaped_text_set_preserve_control, const RID &, bool);
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MODBIND1RC(bool, shaped_text_get_preserve_control, const RID &);
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MODBIND3(shaped_text_set_spacing, const RID &, SpacingType, int64_t);
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MODBIND2RC(int64_t, shaped_text_get_spacing, const RID &, SpacingType);
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MODBIND7R(bool, shaped_text_add_string, const RID &, const String &, const TypedArray<RID> &, int64_t, const Dictionary &, const String &, const Variant &);
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MODBIND6R(bool, shaped_text_add_object, const RID &, const Variant &, const Size2 &, InlineAlignment, int64_t, double);
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MODBIND5R(bool, shaped_text_resize_object, const RID &, const Variant &, const Size2 &, InlineAlignment, double);
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MODBIND1RC(int64_t, shaped_get_span_count, const RID &);
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MODBIND2RC(Variant, shaped_get_span_meta, const RID &, int64_t);
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MODBIND5(shaped_set_span_update_font, const RID &, int64_t, const TypedArray<RID> &, int64_t, const Dictionary &);
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MODBIND3RC(RID, shaped_text_substr, const RID &, int64_t, int64_t);
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MODBIND1RC(RID, shaped_text_get_parent, const RID &);
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MODBIND3R(double, shaped_text_fit_to_width, const RID &, double, BitField<TextServer::JustificationFlag>);
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MODBIND2R(double, shaped_text_tab_align, const RID &, const PackedFloat32Array &);
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MODBIND1R(bool, shaped_text_shape, const RID &);
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MODBIND1R(bool, shaped_text_update_breaks, const RID &);
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MODBIND1R(bool, shaped_text_update_justification_ops, const RID &);
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MODBIND1RC(int64_t, shaped_text_get_trim_pos, const RID &);
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MODBIND1RC(int64_t, shaped_text_get_ellipsis_pos, const RID &);
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MODBIND1RC(const Glyph *, shaped_text_get_ellipsis_glyphs, const RID &);
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MODBIND1RC(int64_t, shaped_text_get_ellipsis_glyph_count, const RID &);
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MODBIND3(shaped_text_overrun_trim_to_width, const RID &, double, BitField<TextServer::TextOverrunFlag>);
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MODBIND1RC(bool, shaped_text_is_ready, const RID &);
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MODBIND1RC(const Glyph *, shaped_text_get_glyphs, const RID &);
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MODBIND1R(const Glyph *, shaped_text_sort_logical, const RID &);
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MODBIND1RC(int64_t, shaped_text_get_glyph_count, const RID &);
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MODBIND1RC(Vector2i, shaped_text_get_range, const RID &);
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MODBIND1RC(Array, shaped_text_get_objects, const RID &);
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MODBIND2RC(Rect2, shaped_text_get_object_rect, const RID &, const Variant &);
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MODBIND1RC(Size2, shaped_text_get_size, const RID &);
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MODBIND1RC(double, shaped_text_get_ascent, const RID &);
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MODBIND1RC(double, shaped_text_get_descent, const RID &);
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MODBIND1RC(double, shaped_text_get_width, const RID &);
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MODBIND1RC(double, shaped_text_get_underline_position, const RID &);
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MODBIND1RC(double, shaped_text_get_underline_thickness, const RID &);
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MODBIND1RC(PackedInt32Array, shaped_text_get_character_breaks, const RID &);
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MODBIND2RC(String, format_number, const String &, const String &);
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MODBIND2RC(String, parse_number, const String &, const String &);
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MODBIND1RC(String, percent_sign, const String &);
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MODBIND3RC(PackedInt32Array, string_get_word_breaks, const String &, const String &, int64_t);
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MODBIND2RC(PackedInt32Array, string_get_character_breaks, const String &, const String &);
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MODBIND2RC(int64_t, is_confusable, const String &, const PackedStringArray &);
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MODBIND1RC(bool, spoof_check, const String &);
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MODBIND1RC(String, strip_diacritics, const String &);
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MODBIND1RC(bool, is_valid_identifier, const String &);
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MODBIND2RC(String, string_to_upper, const String &, const String &);
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MODBIND2RC(String, string_to_lower, const String &, const String &);
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MODBIND0(cleanup);
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TextServerAdvanced();
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|
~TextServerAdvanced();
|
|
};
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#endif // TEXT_SERVER_ADV_H
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