CoCalc -- text

GitHub Repository: godotengine/godot
Path: blob/master/servers/text_server.h
⁹⁸⁸⁷ views
1
/**************************************************************************/
2
/*  text_server.h                                                         */
3
/**************************************************************************/
4
/*                         This file is part of:                          */
5
/*                             GODOT ENGINE                               */
6
/*                        https://godotengine.org                         */
7
/**************************************************************************/
8
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
10
/*                                                                        */
11
/* Permission is hereby granted, free of charge, to any person obtaining  */
12
/* a copy of this software and associated documentation files (the        */
13
/* "Software"), to deal in the Software without restriction, including    */
14
/* without limitation the rights to use, copy, modify, merge, publish,    */
15
/* distribute, sublicense, and/or sell copies of the Software, and to     */
16
/* permit persons to whom the Software is furnished to do so, subject to  */
17
/* the following conditions:                                              */
18
/*                                                                        */
19
/* The above copyright notice and this permission notice shall be         */
20
/* included in all copies or substantial portions of the Software.        */
21
/*                                                                        */
22
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
23
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
24
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
26
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
27
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
28
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
29
/**************************************************************************/
30

31
#pragma once
32

33
#include "core/io/image.h"
34
#include "core/object/ref_counted.h"
35
#include "core/templates/rid.h"
36
#include "core/variant/native_ptr.h"
37
#include "core/variant/variant.h"
38

39
template <typename T>
40
class TypedArray;
41

42
struct Glyph;
43
struct CaretInfo;
44

45
#define OT_TAG(m_c1, m_c2, m_c3, m_c4) ((int32_t)((((uint32_t)(m_c1) & 0xff) << 24) | (((uint32_t)(m_c2) & 0xff) << 16) | (((uint32_t)(m_c3) & 0xff) << 8) | ((uint32_t)(m_c4) & 0xff)))
46

47
class TextServer : public RefCounted {
48
	GDCLASS(TextServer, RefCounted);
49

50
public:
51
	enum FontAntialiasing {
52
		FONT_ANTIALIASING_NONE,
53
		FONT_ANTIALIASING_GRAY,
54
		FONT_ANTIALIASING_LCD,
55
	};
56

57
	enum FontLCDSubpixelLayout {
58
		FONT_LCD_SUBPIXEL_LAYOUT_NONE,
59
		FONT_LCD_SUBPIXEL_LAYOUT_HRGB,
60
		FONT_LCD_SUBPIXEL_LAYOUT_HBGR,
61
		FONT_LCD_SUBPIXEL_LAYOUT_VRGB,
62
		FONT_LCD_SUBPIXEL_LAYOUT_VBGR,
63
		FONT_LCD_SUBPIXEL_LAYOUT_MAX,
64
	};
65

66
	enum Direction {
67
		DIRECTION_AUTO,
68
		DIRECTION_LTR,
69
		DIRECTION_RTL,
70
		DIRECTION_INHERITED,
71
	};
72

73
	enum Orientation {
74
		ORIENTATION_HORIZONTAL,
75
		ORIENTATION_VERTICAL
76
	};
77

78
	enum JustificationFlag {
79
		JUSTIFICATION_NONE = 0,
80
		JUSTIFICATION_KASHIDA = 1 << 0,
81
		JUSTIFICATION_WORD_BOUND = 1 << 1,
82
		JUSTIFICATION_TRIM_EDGE_SPACES = 1 << 2,
83
		JUSTIFICATION_AFTER_LAST_TAB = 1 << 3,
84
		JUSTIFICATION_CONSTRAIN_ELLIPSIS = 1 << 4,
85
		JUSTIFICATION_SKIP_LAST_LINE = 1 << 5,
86
		JUSTIFICATION_SKIP_LAST_LINE_WITH_VISIBLE_CHARS = 1 << 6,
87
		JUSTIFICATION_DO_NOT_SKIP_SINGLE_LINE = 1 << 7,
88
	};
89

90
	enum VisibleCharactersBehavior {
91
		VC_CHARS_BEFORE_SHAPING,
92
		VC_CHARS_AFTER_SHAPING,
93
		VC_GLYPHS_AUTO,
94
		VC_GLYPHS_LTR,
95
		VC_GLYPHS_RTL,
96
	};
97

98
	enum AutowrapMode {
99
		AUTOWRAP_OFF,
100
		AUTOWRAP_ARBITRARY,
101
		AUTOWRAP_WORD,
102
		AUTOWRAP_WORD_SMART
103
	};
104

105
	enum LineBreakFlag {
106
		BREAK_NONE = 0,
107
		BREAK_MANDATORY = 1 << 0,
108
		BREAK_WORD_BOUND = 1 << 1,
109
		BREAK_GRAPHEME_BOUND = 1 << 2,
110
		BREAK_ADAPTIVE = 1 << 3,
111
#ifndef DISABLE_DEPRECATED
112
		BREAK_TRIM_EDGE_SPACES = 1 << 4,
113
#else
114
	// RESERVED = 1 << 4,
115
#endif
116
		BREAK_TRIM_INDENT = 1 << 5,
117
		BREAK_TRIM_START_EDGE_SPACES = 1 << 6,
118
		BREAK_TRIM_END_EDGE_SPACES = 1 << 7,
119

120
		BREAK_TRIM_MASK = BREAK_TRIM_INDENT | BREAK_TRIM_START_EDGE_SPACES | BREAK_TRIM_END_EDGE_SPACES,
121
	};
122

123
	enum OverrunBehavior {
124
		OVERRUN_NO_TRIMMING,
125
		OVERRUN_TRIM_CHAR,
126
		OVERRUN_TRIM_WORD,
127
		OVERRUN_TRIM_ELLIPSIS,
128
		OVERRUN_TRIM_WORD_ELLIPSIS,
129
		OVERRUN_TRIM_ELLIPSIS_FORCE,
130
		OVERRUN_TRIM_WORD_ELLIPSIS_FORCE,
131
	};
132

133
	enum TextOverrunFlag {
134
		OVERRUN_NO_TRIM = 0,
135
		OVERRUN_TRIM = 1 << 0,
136
		OVERRUN_TRIM_WORD_ONLY = 1 << 1,
137
		OVERRUN_ADD_ELLIPSIS = 1 << 2,
138
		OVERRUN_ENFORCE_ELLIPSIS = 1 << 3,
139
		OVERRUN_JUSTIFICATION_AWARE = 1 << 4,
140
	};
141

142
	enum GraphemeFlag {
143
		GRAPHEME_IS_VALID = 1 << 0, // Grapheme is valid.
144
		GRAPHEME_IS_RTL = 1 << 1, // Grapheme is right-to-left.
145
		GRAPHEME_IS_VIRTUAL = 1 << 2, // Grapheme is not part of source string (added by fit_to_width function, do not affect caret movement).
146
		GRAPHEME_IS_SPACE = 1 << 3, // Is whitespace (for justification and word breaks).
147
		GRAPHEME_IS_BREAK_HARD = 1 << 4, // Is line break (mandatory break, e.g. "\n").
148
		GRAPHEME_IS_BREAK_SOFT = 1 << 5, // Is line break (optional break, e.g. space).
149
		GRAPHEME_IS_TAB = 1 << 6, // Is tab or vertical tab.
150
		GRAPHEME_IS_ELONGATION = 1 << 7, // Elongation (e.g. kashida), grapheme can be duplicated or truncated to fit line to width.
151
		GRAPHEME_IS_PUNCTUATION = 1 << 8, // Punctuation, except underscore (can be used as word break, but not line break or justifiction).
152
		GRAPHEME_IS_UNDERSCORE = 1 << 9, // Underscore (can be used as word break).
153
		GRAPHEME_IS_CONNECTED = 1 << 10, // Connected to previous grapheme.
154
		GRAPHEME_IS_SAFE_TO_INSERT_TATWEEL = 1 << 11, // It is safe to insert a U+0640 before this grapheme for elongation.
155
		GRAPHEME_IS_EMBEDDED_OBJECT = 1 << 12, // Grapheme is an object replacement character for the embedded object.
156
		GRAPHEME_IS_SOFT_HYPHEN = 1 << 13, // Grapheme is a soft hyphen.
157
	};
158

159
	enum Hinting {
160
		HINTING_NONE,
161
		HINTING_LIGHT,
162
		HINTING_NORMAL
163
	};
164

165
	enum SubpixelPositioning {
166
		SUBPIXEL_POSITIONING_DISABLED = 0,
167
		SUBPIXEL_POSITIONING_AUTO = 1,
168
		SUBPIXEL_POSITIONING_ONE_HALF = 2,
169
		SUBPIXEL_POSITIONING_ONE_QUARTER = 3,
170

171
		SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE = 20,
172
		SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE = 16,
173
	};
174

175
	enum Feature {
176
		FEATURE_SIMPLE_LAYOUT = 1 << 0,
177
		FEATURE_BIDI_LAYOUT = 1 << 1,
178
		FEATURE_VERTICAL_LAYOUT = 1 << 2,
179
		FEATURE_SHAPING = 1 << 3,
180
		FEATURE_KASHIDA_JUSTIFICATION = 1 << 4,
181
		FEATURE_BREAK_ITERATORS = 1 << 5,
182
		FEATURE_FONT_BITMAP = 1 << 6,
183
		FEATURE_FONT_DYNAMIC = 1 << 7,
184
		FEATURE_FONT_MSDF = 1 << 8,
185
		FEATURE_FONT_SYSTEM = 1 << 9,
186
		FEATURE_FONT_VARIABLE = 1 << 10,
187
		FEATURE_CONTEXT_SENSITIVE_CASE_CONVERSION = 1 << 11,
188
		FEATURE_USE_SUPPORT_DATA = 1 << 12,
189
		FEATURE_UNICODE_IDENTIFIERS = 1 << 13,
190
		FEATURE_UNICODE_SECURITY = 1 << 14,
191
	};
192

193
	enum ContourPointTag {
194
		CONTOUR_CURVE_TAG_ON = 0x01,
195
		CONTOUR_CURVE_TAG_OFF_CONIC = 0x00,
196
		CONTOUR_CURVE_TAG_OFF_CUBIC = 0x02
197
	};
198

199
	enum SpacingType {
200
		SPACING_GLYPH,
201
		SPACING_SPACE,
202
		SPACING_TOP,
203
		SPACING_BOTTOM,
204
		SPACING_MAX,
205
	};
206

207
	enum FontStyle {
208
		FONT_BOLD = 1 << 0,
209
		FONT_ITALIC = 1 << 1,
210
		FONT_FIXED_WIDTH = 1 << 2,
211
	};
212

213
	enum StructuredTextParser {
214
		STRUCTURED_TEXT_DEFAULT,
215
		STRUCTURED_TEXT_URI,
216
		STRUCTURED_TEXT_FILE,
217
		STRUCTURED_TEXT_EMAIL,
218
		STRUCTURED_TEXT_LIST,
219
		STRUCTURED_TEXT_GDSCRIPT,
220
		STRUCTURED_TEXT_CUSTOM
221
	};
222

223
	enum FixedSizeScaleMode {
224
		FIXED_SIZE_SCALE_DISABLE,
225
		FIXED_SIZE_SCALE_INTEGER_ONLY,
226
		FIXED_SIZE_SCALE_ENABLED,
227
	};
228

229
	void _draw_hex_code_box_number(const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, uint8_t p_index, const Color &p_color) const;
230

231
protected:
232
	double vp_oversampling = 0.0;
233
	HashMap<char32_t, char32_t> diacritics_map;
234
	void _diacritics_map_add(const String &p_from, char32_t p_to);
235
	void _init_diacritics_map();
236

237
	static void _bind_methods();
238

239
#ifndef DISABLE_DEPRECATED
240
	void _font_draw_glyph_bind_compat_104872(const RID &p_font, const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1)) const;
241
	void _font_draw_glyph_outline_bind_compat_104872(const RID &p_font, const RID &p_canvas, int64_t p_size, int64_t p_outline_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1)) const;
242
	void _shaped_text_draw_bind_compat_104872(const RID &p_shaped, const RID &p_canvas, const Vector2 &p_pos, double p_clip_l = -1.0, double p_clip_r = -1.0, const Color &p_color = Color(1, 1, 1)) const;
243
	void _shaped_text_draw_outline_bind_compat_104872(const RID &p_shaped, const RID &p_canvas, const Vector2 &p_pos, double p_clip_l = -1.0, double p_clip_r = -1.0, int64_t p_outline_size = 1, const Color &p_color = Color(1, 1, 1)) const;
244
	PackedInt32Array _shaped_text_get_word_breaks_bind_compat_90732(const RID &p_shaped, BitField<TextServer::GraphemeFlag> p_grapheme_flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_PUNCTUATION) const;
245
	static void _bind_compatibility_methods();
246
#endif
247

248
public:
249
	virtual bool has_feature(Feature p_feature) const = 0;
250
	virtual String get_name() const = 0;
251
	virtual int64_t get_features() const = 0;
252

253
	virtual void free_rid(const RID &p_rid) = 0;
254
	virtual bool has(const RID &p_rid) = 0;
255
	virtual bool load_support_data(const String &p_filename) = 0;
256

257
	virtual String get_support_data_filename() const = 0;
258
	virtual String get_support_data_info() const = 0;
259
	virtual bool save_support_data(const String &p_filename) const = 0;
260
	virtual PackedByteArray get_support_data() const = 0;
261

262
	virtual bool is_locale_right_to_left(const String &p_locale) const = 0;
263

264
	virtual int64_t name_to_tag(const String &p_name) const;
265
	virtual String tag_to_name(int64_t p_tag) const;
266

267
	/* Font interface */
268

269
	virtual RID create_font() = 0;
270
	virtual RID create_font_linked_variation(const RID &p_font_rid) = 0;
271

272
	virtual void font_set_data(const RID &p_font_rid, const PackedByteArray &p_data) = 0;
273
	virtual void font_set_data_ptr(const RID &p_font_rid, const uint8_t *p_data_ptr, int64_t p_data_size) = 0;
274

275
	virtual void font_set_face_index(const RID &p_font_rid, int64_t p_index) = 0;
276
	virtual int64_t font_get_face_index(const RID &p_font_rid) const = 0;
277

278
	virtual int64_t font_get_face_count(const RID &p_font_rid) const = 0;
279

280
	virtual void font_set_style(const RID &p_font_rid, BitField<FontStyle> p_style) = 0;
281
	virtual BitField<FontStyle> font_get_style(const RID &p_font_rid) const = 0;
282

283
	virtual void font_set_name(const RID &p_font_rid, const String &p_name) = 0;
284
	virtual String font_get_name(const RID &p_font_rid) const = 0;
285
	virtual Dictionary font_get_ot_name_strings(const RID &p_font_rid) const { return Dictionary(); }
286

287
	virtual void font_set_style_name(const RID &p_font_rid, const String &p_name) = 0;
288
	virtual String font_get_style_name(const RID &p_font_rid) const = 0;
289

290
	virtual void font_set_weight(const RID &p_font_rid, int64_t p_weight) = 0;
291
	virtual int64_t font_get_weight(const RID &p_font_rid) const = 0;
292

293
	virtual void font_set_stretch(const RID &p_font_rid, int64_t p_stretch) = 0;
294
	virtual int64_t font_get_stretch(const RID &p_font_rid) const = 0;
295

296
	virtual void font_set_antialiasing(const RID &p_font_rid, FontAntialiasing p_antialiasing) = 0;
297
	virtual FontAntialiasing font_get_antialiasing(const RID &p_font_rid) const = 0;
298

299
	virtual void font_set_disable_embedded_bitmaps(const RID &p_font_rid, bool p_disable_embedded_bitmaps) = 0;
300
	virtual bool font_get_disable_embedded_bitmaps(const RID &p_font_rid) const = 0;
301

302
	virtual void font_set_generate_mipmaps(const RID &p_font_rid, bool p_generate_mipmaps) = 0;
303
	virtual bool font_get_generate_mipmaps(const RID &p_font_rid) const = 0;
304

305
	virtual void font_set_multichannel_signed_distance_field(const RID &p_font_rid, bool p_msdf) = 0;
306
	virtual bool font_is_multichannel_signed_distance_field(const RID &p_font_rid) const = 0;
307

308
	virtual void font_set_msdf_pixel_range(const RID &p_font_rid, int64_t p_msdf_pixel_range) = 0;
309
	virtual int64_t font_get_msdf_pixel_range(const RID &p_font_rid) const = 0;
310

311
	virtual void font_set_msdf_size(const RID &p_font_rid, int64_t p_msdf_size) = 0;
312
	virtual int64_t font_get_msdf_size(const RID &p_font_rid) const = 0;
313

314
	virtual void font_set_fixed_size(const RID &p_font_rid, int64_t p_fixed_size) = 0;
315
	virtual int64_t font_get_fixed_size(const RID &p_font_rid) const = 0;
316

317
	virtual void font_set_fixed_size_scale_mode(const RID &p_font_rid, FixedSizeScaleMode p_fixed_size_scale) = 0;
318
	virtual FixedSizeScaleMode font_get_fixed_size_scale_mode(const RID &p_font_rid) const = 0;
319

320
	virtual void font_set_allow_system_fallback(const RID &p_font_rid, bool p_allow_system_fallback) = 0;
321
	virtual bool font_is_allow_system_fallback(const RID &p_font_rid) const = 0;
322

323
	virtual void font_clear_system_fallback_cache() {}
324

325
	virtual void font_set_force_autohinter(const RID &p_font_rid, bool p_force_autohinter) = 0;
326
	virtual bool font_is_force_autohinter(const RID &p_font_rid) const = 0;
327

328
	virtual void font_set_modulate_color_glyphs(const RID &p_font_rid, bool p_modulate) = 0;
329
	virtual bool font_is_modulate_color_glyphs(const RID &p_font_rid) const = 0;
330

331
	virtual void font_set_hinting(const RID &p_font_rid, Hinting p_hinting) = 0;
332
	virtual Hinting font_get_hinting(const RID &p_font_rid) const = 0;
333

334
	virtual void font_set_subpixel_positioning(const RID &p_font_rid, SubpixelPositioning p_subpixel) = 0;
335
	virtual SubpixelPositioning font_get_subpixel_positioning(const RID &p_font_rid) const = 0;
336

337
	virtual void font_set_keep_rounding_remainders(const RID &p_font_rid, bool p_keep_rounding_remainders) = 0;
338
	virtual bool font_get_keep_rounding_remainders(const RID &p_font_rid) const = 0;
339

340
	virtual void font_set_embolden(const RID &p_font_rid, double p_strength) = 0;
341
	virtual double font_get_embolden(const RID &p_font_rid) const = 0;
342

343
	virtual void font_set_spacing(const RID &p_font_rid, SpacingType p_spacing, int64_t p_value) = 0;
344
	virtual int64_t font_get_spacing(const RID &p_font_rid, SpacingType p_spacing) const = 0;
345

346
	virtual void font_set_baseline_offset(const RID &p_font_rid, double p_baseline_offset) = 0;
347
	virtual double font_get_baseline_offset(const RID &p_font_rid) const = 0;
348

349
	virtual void font_set_transform(const RID &p_font_rid, const Transform2D &p_transform) = 0;
350
	virtual Transform2D font_get_transform(const RID &p_font_rid) const = 0;
351

352
	virtual void font_set_variation_coordinates(const RID &p_font_rid, const Dictionary &p_variation_coordinates) = 0;
353
	virtual Dictionary font_get_variation_coordinates(const RID &p_font_rid) const = 0;
354

355
	virtual void font_set_oversampling(const RID &p_font_rid, double p_oversampling) = 0;
356
	virtual double font_get_oversampling(const RID &p_font_rid) const = 0;
357

358
	virtual TypedArray<Vector2i> font_get_size_cache_list(const RID &p_font_rid) const = 0;
359
	virtual void font_clear_size_cache(const RID &p_font_rid) = 0;
360
	virtual void font_remove_size_cache(const RID &p_font_rid, const Vector2i &p_size) = 0;
361
	virtual TypedArray<Dictionary> font_get_size_cache_info(const RID &p_font_rid) const = 0;
362

363
	virtual void font_set_ascent(const RID &p_font_rid, int64_t p_size, double p_ascent) = 0;
364
	virtual double font_get_ascent(const RID &p_font_rid, int64_t p_size) const = 0;
365

366
	virtual void font_set_descent(const RID &p_font_rid, int64_t p_size, double p_descent) = 0;
367
	virtual double font_get_descent(const RID &p_font_rid, int64_t p_size) const = 0;
368

369
	virtual void font_set_underline_position(const RID &p_font_rid, int64_t p_size, double p_underline_position) = 0;
370
	virtual double font_get_underline_position(const RID &p_font_rid, int64_t p_size) const = 0;
371

372
	virtual void font_set_underline_thickness(const RID &p_font_rid, int64_t p_size, double p_underline_thickness) = 0;
373
	virtual double font_get_underline_thickness(const RID &p_font_rid, int64_t p_size) const = 0;
374

375
	virtual void font_set_scale(const RID &p_font_rid, int64_t p_size, double p_scale) = 0;
376
	virtual double font_get_scale(const RID &p_font_rid, int64_t p_size) const = 0;
377

378
	virtual int64_t font_get_texture_count(const RID &p_font_rid, const Vector2i &p_size) const = 0;
379
	virtual void font_clear_textures(const RID &p_font_rid, const Vector2i &p_size) = 0;
380
	virtual void font_remove_texture(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) = 0;
381

382
	virtual void font_set_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index, const Ref<Image> &p_image) = 0;
383
	virtual Ref<Image> font_get_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const = 0;
384

385
	virtual void font_set_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index, const PackedInt32Array &p_offset) = 0;
386
	virtual PackedInt32Array font_get_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const = 0;
387

388
	virtual PackedInt32Array font_get_glyph_list(const RID &p_font_rid, const Vector2i &p_size) const = 0;
389
	virtual void font_clear_glyphs(const RID &p_font_rid, const Vector2i &p_size) = 0;
390
	virtual void font_remove_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) = 0;
391

392
	virtual Vector2 font_get_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph) const = 0;
393
	virtual void font_set_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph, const Vector2 &p_advance) = 0;
394

395
	virtual Vector2 font_get_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
396
	virtual void font_set_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_offset) = 0;
397

398
	virtual Vector2 font_get_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
399
	virtual void font_set_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_gl_size) = 0;
400

401
	virtual Rect2 font_get_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
402
	virtual void font_set_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Rect2 &p_uv_rect) = 0;
403

404
	virtual int64_t font_get_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
405
	virtual void font_set_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, int64_t p_texture_idx) = 0;
406
	virtual RID font_get_glyph_texture_rid(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
407
	virtual Size2 font_get_glyph_texture_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
408

409
	virtual Dictionary font_get_glyph_contours(const RID &p_font, int64_t p_size, int64_t p_index) const = 0;
410

411
	virtual TypedArray<Vector2i> font_get_kerning_list(const RID &p_font_rid, int64_t p_size) const = 0;
412
	virtual void font_clear_kerning_map(const RID &p_font_rid, int64_t p_size) = 0;
413
	virtual void font_remove_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) = 0;
414

415
	virtual void font_set_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) = 0;
416
	virtual Vector2 font_get_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) const = 0;
417

418
	virtual int64_t font_get_glyph_index(const RID &p_font_rid, int64_t p_size, int64_t p_char, int64_t p_variation_selector) const = 0;
419
	virtual int64_t font_get_char_from_glyph_index(const RID &p_font_rid, int64_t p_size, int64_t p_glyph_index) const = 0;
420

421
	virtual bool font_has_char(const RID &p_font_rid, int64_t p_char) const = 0;
422
	virtual String font_get_supported_chars(const RID &p_font_rid) const = 0;
423
	virtual PackedInt32Array font_get_supported_glyphs(const RID &p_font_rid) const = 0;
424

425
	virtual void font_render_range(const RID &p_font, const Vector2i &p_size, int64_t p_start, int64_t p_end) = 0;
426
	virtual void font_render_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_index) = 0;
427

428
	virtual void font_draw_glyph(const RID &p_font, const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1), float p_oversampling = 0.0) const = 0;
429
	virtual void font_draw_glyph_outline(const RID &p_font, const RID &p_canvas, int64_t p_size, int64_t p_outline_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1), float p_oversampling = 0.0) const = 0;
430

431
	virtual bool font_is_language_supported(const RID &p_font_rid, const String &p_language) const = 0;
432
	virtual void font_set_language_support_override(const RID &p_font_rid, const String &p_language, bool p_supported) = 0;
433
	virtual bool font_get_language_support_override(const RID &p_font_rid, const String &p_language) = 0;
434
	virtual void font_remove_language_support_override(const RID &p_font_rid, const String &p_language) = 0;
435
	virtual PackedStringArray font_get_language_support_overrides(const RID &p_font_rid) = 0;
436

437
	virtual bool font_is_script_supported(const RID &p_font_rid, const String &p_script) const = 0;
438
	virtual void font_set_script_support_override(const RID &p_font_rid, const String &p_script, bool p_supported) = 0;
439
	virtual bool font_get_script_support_override(const RID &p_font_rid, const String &p_script) = 0;
440
	virtual void font_remove_script_support_override(const RID &p_font_rid, const String &p_script) = 0;
441
	virtual PackedStringArray font_get_script_support_overrides(const RID &p_font_rid) = 0;
442

443
	virtual void font_set_opentype_feature_overrides(const RID &p_font_rid, const Dictionary &p_overrides) = 0;
444
	virtual Dictionary font_get_opentype_feature_overrides(const RID &p_font_rid) const = 0;
445

446
	virtual Dictionary font_supported_feature_list(const RID &p_font_rid) const = 0;
447
	virtual Dictionary font_supported_variation_list(const RID &p_font_rid) const = 0;
448

449
#ifndef DISABLE_DEPRECATED
450
	virtual double font_get_global_oversampling() const { return 1.0; }
451
	virtual void font_set_global_oversampling(double p_oversampling) {}
452
#endif
453
	virtual void reference_oversampling_level(double p_oversampling) {}
454
	virtual void unreference_oversampling_level(double p_oversampling) {}
455

456
	virtual Vector2 get_hex_code_box_size(int64_t p_size, int64_t p_index) const;
457
	virtual void draw_hex_code_box(const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color) const;
458

459
	/* Shaped text buffer interface */
460

461
	virtual RID create_shaped_text(Direction p_direction = DIRECTION_AUTO, Orientation p_orientation = ORIENTATION_HORIZONTAL) = 0;
462

463
	virtual void shaped_text_clear(const RID &p_shaped) = 0;
464

465
	virtual void shaped_text_set_direction(const RID &p_shaped, Direction p_direction = DIRECTION_AUTO) = 0;
466
	virtual Direction shaped_text_get_direction(const RID &p_shaped) const = 0;
467
	virtual Direction shaped_text_get_inferred_direction(const RID &p_shaped) const = 0;
468

469
	virtual void shaped_text_set_bidi_override(const RID &p_shaped, const Array &p_override) = 0;
470

471
	virtual void shaped_text_set_custom_punctuation(const RID &p_shaped, const String &p_punct) = 0;
472
	virtual String shaped_text_get_custom_punctuation(const RID &p_shaped) const = 0;
473

474
	virtual void shaped_text_set_custom_ellipsis(const RID &p_shaped, int64_t p_char) = 0;
475
	virtual int64_t shaped_text_get_custom_ellipsis(const RID &p_shaped) const = 0;
476

477
	virtual void shaped_text_set_orientation(const RID &p_shaped, Orientation p_orientation = ORIENTATION_HORIZONTAL) = 0;
478
	virtual Orientation shaped_text_get_orientation(const RID &p_shaped) const = 0;
479

480
	virtual void shaped_text_set_preserve_invalid(const RID &p_shaped, bool p_enabled) = 0;
481
	virtual bool shaped_text_get_preserve_invalid(const RID &p_shaped) const = 0;
482

483
	virtual void shaped_text_set_preserve_control(const RID &p_shaped, bool p_enabled) = 0;
484
	virtual bool shaped_text_get_preserve_control(const RID &p_shaped) const = 0;
485

486
	virtual void shaped_text_set_spacing(const RID &p_shaped, SpacingType p_spacing, int64_t p_value) = 0;
487
	virtual int64_t shaped_text_get_spacing(const RID &p_shaped, SpacingType p_spacing) const = 0;
488

489
	virtual bool shaped_text_add_string(const RID &p_shaped, const String &p_text, const TypedArray<RID> &p_fonts, int64_t p_size, const Dictionary &p_opentype_features = Dictionary(), const String &p_language = "", const Variant &p_meta = Variant()) = 0;
490
	virtual bool shaped_text_add_object(const RID &p_shaped, const Variant &p_key, const Size2 &p_size, InlineAlignment p_inline_align = INLINE_ALIGNMENT_CENTER, int64_t p_length = 1, double p_baseline = 0.0) = 0;
491
	virtual bool shaped_text_resize_object(const RID &p_shaped, const Variant &p_key, const Size2 &p_size, InlineAlignment p_inline_align = INLINE_ALIGNMENT_CENTER, double p_baseline = 0.0) = 0;
492
	virtual String shaped_get_text(const RID &p_shaped) const = 0;
493

494
	virtual int64_t shaped_get_span_count(const RID &p_shaped) const = 0;
495
	virtual Variant shaped_get_span_meta(const RID &p_shaped, int64_t p_index) const = 0;
496
	virtual Variant shaped_get_span_embedded_object(const RID &p_shaped, int64_t p_index) const = 0;
497
	virtual String shaped_get_span_text(const RID &p_shaped, int64_t p_index) const = 0;
498
	virtual Variant shaped_get_span_object(const RID &p_shaped, int64_t p_index) const = 0;
499
	virtual void shaped_set_span_update_font(const RID &p_shaped, int64_t p_index, const TypedArray<RID> &p_fonts, int64_t p_size, const Dictionary &p_opentype_features = Dictionary()) = 0;
500

501
	virtual int64_t shaped_get_run_count(const RID &p_shaped) const = 0;
502
	virtual String shaped_get_run_text(const RID &p_shaped, int64_t p_index) const = 0;
503
	virtual Vector2i shaped_get_run_range(const RID &p_shaped, int64_t p_index) const = 0;
504
	virtual RID shaped_get_run_font_rid(const RID &p_shaped, int64_t p_index) const = 0;
505
	virtual int shaped_get_run_font_size(const RID &p_shaped, int64_t p_index) const = 0;
506
	virtual String shaped_get_run_language(const RID &p_shaped, int64_t p_index) const = 0;
507
	virtual Direction shaped_get_run_direction(const RID &p_shaped, int64_t p_index) const = 0;
508
	virtual Variant shaped_get_run_object(const RID &p_shaped, int64_t p_index) const = 0;
509

510
	virtual RID shaped_text_substr(const RID &p_shaped, int64_t p_start, int64_t p_length) const = 0; // Copy shaped substring (e.g. line break) without reshaping, but correctly reordered, preservers range.
511
	virtual RID shaped_text_get_parent(const RID &p_shaped) const = 0;
512

513
	virtual double shaped_text_fit_to_width(const RID &p_shaped, double p_width, BitField<TextServer::JustificationFlag> p_jst_flags = JUSTIFICATION_WORD_BOUND | JUSTIFICATION_KASHIDA) = 0;
514
	virtual double shaped_text_tab_align(const RID &p_shaped, const PackedFloat32Array &p_tab_stops) = 0;
515

516
	virtual bool shaped_text_shape(const RID &p_shaped) = 0;
517
	virtual bool shaped_text_update_breaks(const RID &p_shaped) = 0;
518
	virtual bool shaped_text_update_justification_ops(const RID &p_shaped) = 0;
519

520
	virtual bool shaped_text_is_ready(const RID &p_shaped) const = 0;
521
	bool shaped_text_has_visible_chars(const RID &p_shaped) const;
522

523
	virtual const Glyph *shaped_text_get_glyphs(const RID &p_shaped) const = 0;
524
	TypedArray<Dictionary> _shaped_text_get_glyphs_wrapper(const RID &p_shaped) const;
525
	virtual const Glyph *shaped_text_sort_logical(const RID &p_shaped) = 0;
526
	TypedArray<Dictionary> _shaped_text_sort_logical_wrapper(const RID &p_shaped);
527
	virtual int64_t shaped_text_get_glyph_count(const RID &p_shaped) const = 0;
528

529
	virtual Vector2i shaped_text_get_range(const RID &p_shaped) const = 0;
530

531
	virtual PackedInt32Array shaped_text_get_line_breaks_adv(const RID &p_shaped, const PackedFloat32Array &p_width, int64_t p_start = 0, bool p_once = true, BitField<TextServer::LineBreakFlag> p_break_flags = BREAK_MANDATORY | BREAK_WORD_BOUND) const;
532
	virtual PackedInt32Array shaped_text_get_line_breaks(const RID &p_shaped, double p_width, int64_t p_start = 0, BitField<TextServer::LineBreakFlag> p_break_flags = BREAK_MANDATORY | BREAK_WORD_BOUND) const;
533
	virtual PackedInt32Array shaped_text_get_word_breaks(const RID &p_shaped, BitField<TextServer::GraphemeFlag> p_grapheme_flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_PUNCTUATION, BitField<TextServer::GraphemeFlag> p_skip_grapheme_flags = GRAPHEME_IS_VIRTUAL) const;
534

535
	virtual int64_t shaped_text_get_trim_pos(const RID &p_shaped) const = 0;
536
	virtual int64_t shaped_text_get_ellipsis_pos(const RID &p_shaped) const = 0;
537
	virtual const Glyph *shaped_text_get_ellipsis_glyphs(const RID &p_shaped) const = 0;
538
	TypedArray<Dictionary> _shaped_text_get_ellipsis_glyphs_wrapper(const RID &p_shaped) const;
539
	virtual int64_t shaped_text_get_ellipsis_glyph_count(const RID &p_shaped) const = 0;
540

541
	virtual void shaped_text_overrun_trim_to_width(const RID &p_shaped, double p_width, BitField<TextServer::TextOverrunFlag> p_trim_flags) = 0;
542

543
	virtual Array shaped_text_get_objects(const RID &p_shaped) const = 0;
544
	virtual Rect2 shaped_text_get_object_rect(const RID &p_shaped, const Variant &p_key) const = 0;
545
	virtual Vector2i shaped_text_get_object_range(const RID &p_shaped, const Variant &p_key) const = 0;
546
	virtual int64_t shaped_text_get_object_glyph(const RID &p_shaped, const Variant &p_key) const = 0;
547

548
	virtual Size2 shaped_text_get_size(const RID &p_shaped) const = 0;
549
	virtual double shaped_text_get_ascent(const RID &p_shaped) const = 0;
550
	virtual double shaped_text_get_descent(const RID &p_shaped) const = 0;
551
	virtual double shaped_text_get_width(const RID &p_shaped) const = 0;
552
	virtual double shaped_text_get_underline_position(const RID &p_shaped) const = 0;
553
	virtual double shaped_text_get_underline_thickness(const RID &p_shaped) const = 0;
554

555
	virtual Direction shaped_text_get_dominant_direction_in_range(const RID &p_shaped, int64_t p_start, int64_t p_end) const;
556

557
	virtual CaretInfo shaped_text_get_carets(const RID &p_shaped, int64_t p_position) const;
558
	Dictionary _shaped_text_get_carets_wrapper(const RID &p_shaped, int64_t p_position) const;
559

560
	virtual Vector<Vector2> shaped_text_get_selection(const RID &p_shaped, int64_t p_start, int64_t p_end) const;
561

562
	virtual int64_t shaped_text_hit_test_grapheme(const RID &p_shaped, double p_coords) const; // Return grapheme index.
563
	virtual int64_t shaped_text_hit_test_position(const RID &p_shaped, double p_coords) const; // Return caret/selection position.
564

565
	virtual Vector2 shaped_text_get_grapheme_bounds(const RID &p_shaped, int64_t p_pos) const;
566
	virtual int64_t shaped_text_next_grapheme_pos(const RID &p_shaped, int64_t p_pos) const;
567
	virtual int64_t shaped_text_prev_grapheme_pos(const RID &p_shaped, int64_t p_pos) const;
568

569
	virtual PackedInt32Array shaped_text_get_character_breaks(const RID &p_shaped) const = 0;
570
	virtual int64_t shaped_text_next_character_pos(const RID &p_shaped, int64_t p_pos) const;
571
	virtual int64_t shaped_text_prev_character_pos(const RID &p_shaped, int64_t p_pos) const;
572
	virtual int64_t shaped_text_closest_character_pos(const RID &p_shaped, int64_t p_pos) const;
573

574
	// The pen position is always placed on the baseline and moving left to right.
575
	virtual void shaped_text_draw(const RID &p_shaped, const RID &p_canvas, const Vector2 &p_pos, double p_clip_l = -1.0, double p_clip_r = -1.0, const Color &p_color = Color(1, 1, 1), float p_oversampling = 0.0) const;
576
	virtual void shaped_text_draw_outline(const RID &p_shaped, const RID &p_canvas, const Vector2 &p_pos, double p_clip_l = -1.0, double p_clip_r = -1.0, int64_t p_outline_size = 1, const Color &p_color = Color(1, 1, 1), float p_oversampling = 0.0) const;
577

578
#ifdef DEBUG_ENABLED
579
	void debug_print_glyph(int p_idx, const Glyph &p_glyph) const;
580
	void shaped_text_debug_print(const RID &p_shaped) const;
581
#endif
582

583
	// Number conversion.
584
	virtual String format_number(const String &p_string, const String &p_language = "") const = 0;
585
	virtual String parse_number(const String &p_string, const String &p_language = "") const = 0;
586
	virtual String percent_sign(const String &p_language = "") const = 0;
587

588
	// String functions.
589
	virtual PackedInt32Array string_get_word_breaks(const String &p_string, const String &p_language = "", int64_t p_chars_per_line = 0) const = 0;
590
	virtual PackedInt32Array string_get_character_breaks(const String &p_string, const String &p_language = "") const;
591

592
	virtual int64_t is_confusable(const String &p_string, const PackedStringArray &p_dict) const { return -1; }
593
	virtual bool spoof_check(const String &p_string) const { return false; }
594

595
	virtual String strip_diacritics(const String &p_string) const;
596
	virtual bool is_valid_identifier(const String &p_string) const;
597
	virtual bool is_valid_letter(uint64_t p_unicode) const;
598

599
	// Other string operations.
600
	virtual String string_to_upper(const String &p_string, const String &p_language = "") const = 0;
601
	virtual String string_to_lower(const String &p_string, const String &p_language = "") const = 0;
602
	virtual String string_to_title(const String &p_string, const String &p_language = "") const = 0;
603

604
	TypedArray<Vector3i> parse_structured_text(StructuredTextParser p_parser_type, const Array &p_args, const String &p_text) const;
605

606
	virtual void set_current_drawn_item_oversampling(double p_vp_oversampling) { vp_oversampling = p_vp_oversampling; }
607

608
	virtual void cleanup() {}
609

610
	TextServer();
611
	~TextServer();
612
};
613

614
/*************************************************************************/
615

616
struct Glyph {
617
	int start = -1; // Start offset in the source string.
618
	int end = -1; // End offset in the source string.
619

620
	uint8_t count = 0; // Number of glyphs in the grapheme, set in the first glyph only.
621
	uint8_t repeat = 1; // Draw multiple times in the row.
622
	uint16_t flags = 0; // Grapheme flags (valid, rtl, virtual), set in the first glyph only.
623

624
	float x_off = 0.f; // Offset from the origin of the glyph on baseline.
625
	float y_off = 0.f;
626
	float advance = 0.f; // Advance to the next glyph along baseline(x for horizontal layout, y for vertical).
627

628
	RID font_rid; // Font resource.
629
	int font_size = 0; // Font size.
630
	int32_t index = 0; // Glyph index (font specific) or UTF-32 codepoint (for the invalid glyphs).
631

632
	int span_index = -1;
633

634
	bool operator==(const Glyph &p_a) const;
635
	bool operator!=(const Glyph &p_a) const;
636

637
	bool operator<(const Glyph &p_a) const;
638
	bool operator>(const Glyph &p_a) const;
639
};
640

641
struct CaretInfo {
642
	Rect2 l_caret;
643
	Rect2 t_caret;
644
	TextServer::Direction l_dir;
645
	TextServer::Direction t_dir;
646
};
647

648
/*************************************************************************/
649

650
class TextServerManager : public Object {
651
	GDCLASS(TextServerManager, Object);
652

653
protected:
654
	static void _bind_methods();
655

656
private:
657
	static TextServerManager *singleton;
658

659
	Ref<TextServer> primary_interface;
660
	Vector<Ref<TextServer>> interfaces;
661

662
public:
663
	_FORCE_INLINE_ static TextServerManager *get_singleton() {
664
		return singleton;
665
	}
666

667
	void add_interface(const Ref<TextServer> &p_interface);
668
	void remove_interface(const Ref<TextServer> &p_interface);
669
	int get_interface_count() const;
670
	Ref<TextServer> get_interface(int p_index) const;
671
	Ref<TextServer> find_interface(const String &p_name) const;
672
	TypedArray<Dictionary> get_interfaces() const;
673

674
	_FORCE_INLINE_ Ref<TextServer> get_primary_interface() const {
675
		return primary_interface;
676
	}
677
	void set_primary_interface(const Ref<TextServer> &p_primary_interface);
678

679
	TextServerManager();
680
	~TextServerManager();
681
};
682

683
/*************************************************************************/
684

685
#define TS TextServerManager::get_singleton()->get_primary_interface()
686

687
VARIANT_ENUM_CAST(TextServer::VisibleCharactersBehavior);
688
VARIANT_ENUM_CAST(TextServer::AutowrapMode);
689
VARIANT_ENUM_CAST(TextServer::OverrunBehavior);
690
VARIANT_ENUM_CAST(TextServer::Direction);
691
VARIANT_ENUM_CAST(TextServer::Orientation);
692
VARIANT_BITFIELD_CAST(TextServer::JustificationFlag);
693
VARIANT_BITFIELD_CAST(TextServer::LineBreakFlag);
694
VARIANT_BITFIELD_CAST(TextServer::TextOverrunFlag);
695
VARIANT_BITFIELD_CAST(TextServer::GraphemeFlag);
696
VARIANT_ENUM_CAST(TextServer::Hinting);
697
VARIANT_ENUM_CAST(TextServer::SubpixelPositioning);
698
VARIANT_ENUM_CAST(TextServer::Feature);
699
VARIANT_ENUM_CAST(TextServer::ContourPointTag);
700
VARIANT_ENUM_CAST(TextServer::SpacingType);
701
VARIANT_BITFIELD_CAST(TextServer::FontStyle);
702
VARIANT_ENUM_CAST(TextServer::StructuredTextParser);
703
VARIANT_ENUM_CAST(TextServer::FontAntialiasing);
704
VARIANT_ENUM_CAST(TextServer::FontLCDSubpixelLayout);
705
VARIANT_ENUM_CAST(TextServer::FixedSizeScaleMode);
706

707
GDVIRTUAL_NATIVE_PTR(Glyph);
708
GDVIRTUAL_NATIVE_PTR(CaretInfo);
709

710
Product

Resources

Company
