summaryrefslogtreecommitdiff
path: root/modules/text_server_adv/text_server_adv.h
blob: 15f3a7f1a999748b8a1dc20b3bb697a8833ecf41 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
/*************************************************************************/
/*  text_server_adv.h                                                    */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#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 "servers/text_server.h"

#include "core/templates/rid_owner.h"
#include "core/templates/thread_work_pool.h"
#include "scene/resources/texture.h"
#include "script_iterator.h"

#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/ustring.h>
#include <unicode/utypes.h>

#include "modules/modules_enabled.gen.h"

#ifdef MODULE_FREETYPE_ENABLED
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_TRUETYPE_TABLES_H
#include FT_STROKER_H
#include FT_ADVANCES_H
#include FT_MULTIPLE_MASTERS_H
#include FT_BBOX_H

#include <hb-ft.h>
#include <hb-ot.h>
#endif

#include <hb-icu.h>
#include <hb.h>

class TextServerAdvanced : public TextServer {
	GDCLASS(TextServerAdvanced, TextServer);
	_THREAD_SAFE_CLASS_

	static String interface_name;
	static uint32_t interface_features;

	struct NumSystemData {
		Set<StringName> lang;
		String digits;
		String percent_sign;
		String exp;
	};

	Vector<NumSystemData> num_systems;
	Map<StringName, int32_t> feature_sets;

	void _insert_num_systems_lang();
	void _insert_feature_sets();

	// ICU support data.

	uint8_t *icu_data = nullptr;

	// Font cache data.

#ifdef MODULE_FREETYPE_ENABLED
	mutable FT_Library library = nullptr;
#endif

	const int rect_range = 2;

	struct FontTexture {
		Image::Format format;
		PackedByteArray imgdata;
		int texture_w = 0;
		int texture_h = 0;
		PackedInt32Array offsets;
		Ref<ImageTexture> texture;
	};

	struct FontTexturePosition {
		int index = 0;
		int x = 0;
		int y = 0;
	};

	struct FontGlyph {
		bool found = false;
		int texture_idx = -1;
		Rect2 rect;
		Rect2 uv_rect;
		Vector2 advance;
	};

	struct FontDataForSizeAdvanced {
		float ascent = 0.f;
		float descent = 0.f;
		float underline_position = 0.f;
		float underline_thickness = 0.f;
		float scale = 1.f;
		float oversampling = 1.f;

		int spacing_glyph = 0;
		int spacing_space = 0;

		Vector2i size;

		Vector<FontTexture> textures;
		HashMap<int32_t, FontGlyph> glyph_map;
		Map<Vector2i, Vector2> kerning_map;

		hb_font_t *hb_handle = nullptr;

#ifdef MODULE_FREETYPE_ENABLED
		FT_Face face = nullptr;
		FT_StreamRec stream;
#endif

		~FontDataForSizeAdvanced() {
			if (hb_handle != nullptr) {
				hb_font_destroy(hb_handle);
			}
#ifdef MODULE_FREETYPE_ENABLED
			if (face != nullptr) {
				FT_Done_Face(face);
			}
#endif
		}
	};

	struct FontDataAdvanced {
		Mutex mutex;

		bool antialiased = true;
		bool msdf = false;
		int msdf_range = 14;
		int msdf_source_size = 48;
		int fixed_size = 0;
		bool force_autohinter = false;
		TextServer::Hinting hinting = TextServer::HINTING_LIGHT;
		Dictionary variation_coordinates;
		float oversampling = 0.f;

		Map<Vector2i, FontDataForSizeAdvanced *> cache;

		bool face_init = false;
		Set<uint32_t> supported_scripts;
		Dictionary supported_features;
		Dictionary supported_varaitions;

		// Language/script support override.
		Map<String, bool> language_support_overrides;
		Map<String, bool> script_support_overrides;

		PackedByteArray data;
		const uint8_t *data_ptr;
		size_t data_size;
		mutable ThreadWorkPool work_pool;

		~FontDataAdvanced() {
			work_pool.finish();
			for (const Map<Vector2i, FontDataForSizeAdvanced *>::Element *E = cache.front(); E; E = E->next()) {
				memdelete(E->get());
			}
			cache.clear();
		}
	};

	_FORCE_INLINE_ FontTexturePosition find_texture_pos_for_glyph(FontDataForSizeAdvanced *p_data, int p_color_size, Image::Format p_image_format, int p_width, int p_height) const;
#ifdef MODULE_MSDFGEN_ENABLED
	_FORCE_INLINE_ FontGlyph rasterize_msdf(FontDataAdvanced *p_font_data, FontDataForSizeAdvanced *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const;
#endif
#ifdef MODULE_FREETYPE_ENABLED
	_FORCE_INLINE_ FontGlyph rasterize_bitmap(FontDataForSizeAdvanced *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance) const;
#endif
	_FORCE_INLINE_ bool _ensure_glyph(FontDataAdvanced *p_font_data, const Vector2i &p_size, int32_t p_glyph) const;
	_FORCE_INLINE_ bool _ensure_cache_for_size(FontDataAdvanced *p_font_data, const Vector2i &p_size) const;
	_FORCE_INLINE_ void _font_clear_cache(FontDataAdvanced *p_font_data);
	void _generateMTSDF_threaded(uint32_t y, void *p_td) const;

	_FORCE_INLINE_ Vector2i _get_size(const FontDataAdvanced *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 FontDataAdvanced *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;
		}
	}

	// Shaped text cache data.

	struct ShapedTextDataAdvanced : public ShapedTextData {
		/* Intermediate data */
		Char16String utf16;
		Vector<UBiDi *> bidi_iter;
		Vector<Vector2i> bidi_override;
		ScriptIterator *script_iter = nullptr;
		hb_buffer_t *hb_buffer = nullptr;

		~ShapedTextDataAdvanced() {
			for (int i = 0; i < bidi_iter.size(); i++) {
				ubidi_close(bidi_iter[i]);
			}
			if (script_iter) {
				memdelete(script_iter);
			}
			if (hb_buffer) {
				hb_buffer_destroy(hb_buffer);
			}
		}
	};

	// Common data.

	float oversampling = 1.f;
	mutable RID_PtrOwner<FontDataAdvanced> font_owner;
	mutable RID_PtrOwner<ShapedTextDataAdvanced> shaped_owner;

	int _convert_pos(const ShapedTextDataAdvanced *p_sd, int p_pos) const;
	int _convert_pos_inv(const ShapedTextDataAdvanced *p_sd, int p_pos) const;
	void _shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_start, int32_t p_end, hb_script_t p_script, hb_direction_t p_direction, Vector<RID> p_fonts, int p_span, int p_fb_index);
	Glyph _shape_single_glyph(ShapedTextDataAdvanced *p_sd, char32_t p_char, hb_script_t p_script, hb_direction_t p_direction, RID p_font, int p_font_size);

	// HarfBuzz bitmap font interface.

	static hb_font_funcs_t *funcs;

	struct bmp_font_t {
		TextServerAdvanced::FontDataForSizeAdvanced *face = nullptr;
		bool unref = false; /* Whether to destroy bm_face when done. */
	};

	static bmp_font_t *_bmp_font_create(TextServerAdvanced::FontDataForSizeAdvanced *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::FontDataForSizeAdvanced *p_face, bool p_unref);
	static hb_font_t *_bmp_font_create(TextServerAdvanced::FontDataForSizeAdvanced *p_face, hb_destroy_func_t p_destroy);

protected:
	static void _bind_methods(){};

	void full_copy(ShapedTextDataAdvanced *p_shaped);
	void invalidate(ShapedTextDataAdvanced *p_shaped);

public:
	virtual bool has_feature(Feature p_feature) const override;
	virtual String get_name() const override;
	virtual uint32_t get_features() const override;

	virtual void free(RID p_rid) override;
	virtual bool has(RID p_rid) override;
	virtual bool load_support_data(const String &p_filename) override;

	virtual String get_support_data_filename() const override;
	virtual String get_support_data_info() const override;
	virtual bool save_support_data(const String &p_filename) const override;

	virtual bool is_locale_right_to_left(const String &p_locale) const override;

	virtual int32_t name_to_tag(const String &p_name) const override;
	virtual String tag_to_name(int32_t p_tag) const override;

	/* Font interface */
	virtual RID create_font() override;

	virtual void font_set_data(RID p_font_rid, const PackedByteArray &p_data) override;
	virtual void font_set_data_ptr(RID p_font_rid, const uint8_t *p_data_ptr, size_t p_data_size) override;

	virtual void font_set_antialiased(RID p_font_rid, bool p_antialiased) override;
	virtual bool font_is_antialiased(RID p_font_rid) const override;

	virtual void font_set_multichannel_signed_distance_field(RID p_font_rid, bool p_msdf) override;
	virtual bool font_is_multichannel_signed_distance_field(RID p_font_rid) const override;

	virtual void font_set_msdf_pixel_range(RID p_font_rid, int p_msdf_pixel_range) override;
	virtual int font_get_msdf_pixel_range(RID p_font_rid) const override;

	virtual void font_set_msdf_size(RID p_font_rid, int p_msdf_size) override;
	virtual int font_get_msdf_size(RID p_font_rid) const override;

	virtual void font_set_fixed_size(RID p_font_rid, int p_fixed_size) override;
	virtual int font_get_fixed_size(RID p_font_rid) const override;

	virtual void font_set_force_autohinter(RID p_font_rid, bool p_force_autohinter) override;
	virtual bool font_is_force_autohinter(RID p_font_rid) const override;

	virtual void font_set_hinting(RID p_font_rid, TextServer::Hinting p_hinting) override;
	virtual TextServer::Hinting font_get_hinting(RID p_font_rid) const override;

	virtual void font_set_variation_coordinates(RID p_font_rid, const Dictionary &p_variation_coordinates) override;
	virtual Dictionary font_get_variation_coordinates(RID p_font_rid) const override;

	virtual void font_set_oversampling(RID p_font_rid, float p_oversampling) override;
	virtual float font_get_oversampling(RID p_font_rid) const override;

	virtual Array font_get_size_cache_list(RID p_font_rid) const override;
	virtual void font_clear_size_cache(RID p_font_rid) override;
	virtual void font_remove_size_cache(RID p_font_rid, const Vector2i &p_size) override;

	hb_font_t *_font_get_hb_handle(RID p_font, int p_font_size) const;

	virtual void font_set_ascent(RID p_font_rid, int p_size, float p_ascent) override;
	virtual float font_get_ascent(RID p_font_rid, int p_size) const override;

	virtual void font_set_descent(RID p_font_rid, int p_size, float p_descent) override;
	virtual float font_get_descent(RID p_font_rid, int p_size) const override;

	virtual void font_set_underline_position(RID p_font_rid, int p_size, float p_underline_position) override;
	virtual float font_get_underline_position(RID p_font_rid, int p_size) const override;

	virtual void font_set_underline_thickness(RID p_font_rid, int p_size, float p_underline_thickness) override;
	virtual float font_get_underline_thickness(RID p_font_rid, int p_size) const override;

	virtual void font_set_scale(RID p_font_rid, int p_size, float p_scale) override;
	virtual float font_get_scale(RID p_font_rid, int p_size) const override;

	virtual void font_set_spacing(RID p_font_rid, int p_size, SpacingType p_spacing, int p_value) override;
	virtual int font_get_spacing(RID p_font_rid, int p_size, SpacingType p_spacing) const override;

	virtual int font_get_texture_count(RID p_font_rid, const Vector2i &p_size) const override;
	virtual void font_clear_textures(RID p_font_rid, const Vector2i &p_size) override;
	virtual void font_remove_texture(RID p_font_rid, const Vector2i &p_size, int p_texture_index) override;

	virtual void font_set_texture_image(RID p_font_rid, const Vector2i &p_size, int p_texture_index, const Ref<Image> &p_image) override;
	virtual Ref<Image> font_get_texture_image(RID p_font_rid, const Vector2i &p_size, int p_texture_index) const override;

	virtual void font_set_texture_offsets(RID p_font_rid, const Vector2i &p_size, int p_texture_index, const PackedInt32Array &p_offset) override;
	virtual PackedInt32Array font_get_texture_offsets(RID p_font_rid, const Vector2i &p_size, int p_texture_index) const override;

	virtual Array font_get_glyph_list(RID p_font_rid, const Vector2i &p_size) const override;
	virtual void font_clear_glyphs(RID p_font_rid, const Vector2i &p_size) override;
	virtual void font_remove_glyph(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) override;

	virtual Vector2 font_get_glyph_advance(RID p_font_rid, int p_size, int32_t p_glyph) const override;
	virtual void font_set_glyph_advance(RID p_font_rid, int p_size, int32_t p_glyph, const Vector2 &p_advance) override;

	virtual Vector2 font_get_glyph_offset(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const override;
	virtual void font_set_glyph_offset(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_offset) override;

	virtual Vector2 font_get_glyph_size(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const override;
	virtual void font_set_glyph_size(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_gl_size) override;

	virtual Rect2 font_get_glyph_uv_rect(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const override;
	virtual void font_set_glyph_uv_rect(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Rect2 &p_uv_rect) override;

	virtual int font_get_glyph_texture_idx(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const override;
	virtual void font_set_glyph_texture_idx(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, int p_texture_idx) override;

	virtual Dictionary font_get_glyph_contours(RID p_font, int p_size, int32_t p_index) const override;

	virtual Array font_get_kerning_list(RID p_font_rid, int p_size) const override;
	virtual void font_clear_kerning_map(RID p_font_rid, int p_size) override;
	virtual void font_remove_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair) override;

	virtual void font_set_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) override;
	virtual Vector2 font_get_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair) const override;

	virtual int32_t font_get_glyph_index(RID p_font_rid, int p_size, char32_t p_char, char32_t p_variation_selector = 0) const override;

	virtual bool font_has_char(RID p_font_rid, char32_t p_char) const override;
	virtual String font_get_supported_chars(RID p_font_rid) const override;

	virtual void font_render_range(RID p_font, const Vector2i &p_size, char32_t p_start, char32_t p_end) override;
	virtual void font_render_glyph(RID p_font_rid, const Vector2i &p_size, int32_t p_index) override;

	virtual void font_draw_glyph(RID p_font, RID p_canvas, int p_size, const Vector2 &p_pos, int32_t p_index, const Color &p_color = Color(1, 1, 1)) const override;
	virtual void font_draw_glyph_outline(RID p_font, RID p_canvas, int p_size, int p_outline_size, const Vector2 &p_pos, int32_t p_index, const Color &p_color = Color(1, 1, 1)) const override;

	virtual bool font_is_language_supported(RID p_font_rid, const String &p_language) const override;
	virtual void font_set_language_support_override(RID p_font_rid, const String &p_language, bool p_supported) override;
	virtual bool font_get_language_support_override(RID p_font_rid, const String &p_language) override;
	virtual void font_remove_language_support_override(RID p_font_rid, const String &p_language) override;
	virtual Vector<String> font_get_language_support_overrides(RID p_font_rid) override;

	virtual bool font_is_script_supported(RID p_font_rid, const String &p_script) const override;
	virtual void font_set_script_support_override(RID p_font_rid, const String &p_script, bool p_supported) override;
	virtual bool font_get_script_support_override(RID p_font_rid, const String &p_script) override;
	virtual void font_remove_script_support_override(RID p_font_rid, const String &p_script) override;
	virtual Vector<String> font_get_script_support_overrides(RID p_font_rid) override;

	virtual Dictionary font_supported_feature_list(RID p_font_rid) const override;
	virtual Dictionary font_supported_variation_list(RID p_font_rid) const override;

	virtual float font_get_global_oversampling() const override;
	virtual void font_set_global_oversampling(float p_oversampling) override;

	/* Shaped text buffer interface */

	virtual RID create_shaped_text(Direction p_direction = DIRECTION_AUTO, Orientation p_orientation = ORIENTATION_HORIZONTAL) override;

	virtual void shaped_text_clear(RID p_shaped) override;

	virtual void shaped_text_set_direction(RID p_shaped, Direction p_direction = DIRECTION_AUTO) override;
	virtual Direction shaped_text_get_direction(RID p_shaped) const override;

	virtual void shaped_text_set_bidi_override(RID p_shaped, const Array &p_override) override;

	virtual void shaped_text_set_orientation(RID p_shaped, Orientation p_orientation = ORIENTATION_HORIZONTAL) override;
	virtual Orientation shaped_text_get_orientation(RID p_shaped) const override;

	virtual void shaped_text_set_preserve_invalid(RID p_shaped, bool p_enabled) override;
	virtual bool shaped_text_get_preserve_invalid(RID p_shaped) const override;

	virtual void shaped_text_set_preserve_control(RID p_shaped, bool p_enabled) override;
	virtual bool shaped_text_get_preserve_control(RID p_shaped) const override;

	virtual bool shaped_text_add_string(RID p_shaped, const String &p_text, const Vector<RID> &p_fonts, int p_size, const Dictionary &p_opentype_features = Dictionary(), const String &p_language = "") override;
	virtual bool shaped_text_add_object(RID p_shaped, Variant p_key, const Size2 &p_size, InlineAlign p_inline_align = INLINE_ALIGN_CENTER, int p_length = 1) override;
	virtual bool shaped_text_resize_object(RID p_shaped, Variant p_key, const Size2 &p_size, InlineAlign p_inline_align = INLINE_ALIGN_CENTER) override;

	virtual RID shaped_text_substr(RID p_shaped, int p_start, int p_length) const override;
	virtual RID shaped_text_get_parent(RID p_shaped) const override;

	virtual float shaped_text_fit_to_width(RID p_shaped, float p_width, uint16_t /*JustificationFlag*/ p_jst_flags = JUSTIFICATION_WORD_BOUND | JUSTIFICATION_KASHIDA) override;
	virtual float shaped_text_tab_align(RID p_shaped, const PackedFloat32Array &p_tab_stops) override;

	virtual bool shaped_text_shape(RID p_shaped) override;
	virtual bool shaped_text_update_breaks(RID p_shaped) override;
	virtual bool shaped_text_update_justification_ops(RID p_shaped) override;

	virtual int shaped_text_get_trim_pos(RID p_shaped) const override;
	virtual int shaped_text_get_ellipsis_pos(RID p_shaped) const override;
	virtual const Glyph *shaped_text_get_ellipsis_glyphs(RID p_shaped) const override;
	virtual int shaped_text_get_ellipsis_glyph_count(RID p_shaped) const override;

	virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint16_t p_trim_flags) override;

	virtual bool shaped_text_is_ready(RID p_shaped) const override;

	virtual const Glyph *shaped_text_get_glyphs(RID p_shaped) const override;
	virtual const Glyph *shaped_text_sort_logical(RID p_shaped) override;
	virtual int shaped_text_get_glyph_count(RID p_shaped) const override;

	virtual Vector2i shaped_text_get_range(RID p_shaped) const override;

	virtual Array shaped_text_get_objects(RID p_shaped) const override;
	virtual Rect2 shaped_text_get_object_rect(RID p_shaped, Variant p_key) const override;

	virtual Size2 shaped_text_get_size(RID p_shaped) const override;
	virtual float shaped_text_get_ascent(RID p_shaped) const override;
	virtual float shaped_text_get_descent(RID p_shaped) const override;
	virtual float shaped_text_get_width(RID p_shaped) const override;
	virtual float shaped_text_get_underline_position(RID p_shaped) const override;
	virtual float shaped_text_get_underline_thickness(RID p_shaped) const override;

	virtual String format_number(const String &p_string, const String &p_language = "") const override;
	virtual String parse_number(const String &p_string, const String &p_language = "") const override;
	virtual String percent_sign(const String &p_language = "") const override;

	virtual String strip_diacritics(const String &p_string) const override;

	TextServerAdvanced();
	~TextServerAdvanced();
};

#endif // TEXT_SERVER_ADV_H