be611c1c05
Add "generate_mipmap" font import option. Add some missing features to the Sprite3D. Move BiDi override code from Control to TextServer. Add functions to access TextServer font cache textures. Add MSDF related flags and shader to the standard material. Change standard material cache to use HashMap instead of Vector.
534 lines
26 KiB
C++
534 lines
26 KiB
C++
/*************************************************************************/
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/* text_server.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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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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_H
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#define TEXT_SERVER_H
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#include "core/object/ref_counted.h"
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#include "core/os/os.h"
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#include "core/templates/rid.h"
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#include "core/variant/native_ptr.h"
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#include "core/variant/variant.h"
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struct Glyph;
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struct CaretInfo;
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class TextServer : public RefCounted {
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GDCLASS(TextServer, RefCounted);
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public:
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enum Direction {
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DIRECTION_AUTO,
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DIRECTION_LTR,
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DIRECTION_RTL
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};
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enum Orientation {
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ORIENTATION_HORIZONTAL,
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ORIENTATION_VERTICAL
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};
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enum JustificationFlag {
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JUSTIFICATION_NONE = 0,
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JUSTIFICATION_KASHIDA = 1 << 0,
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JUSTIFICATION_WORD_BOUND = 1 << 1,
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JUSTIFICATION_TRIM_EDGE_SPACES = 1 << 2,
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JUSTIFICATION_AFTER_LAST_TAB = 1 << 3,
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JUSTIFICATION_CONSTRAIN_ELLIPSIS = 1 << 4,
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};
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enum LineBreakFlag { // LineBreakFlag can be passed in the same value as the JustificationFlag, do not use the same values.
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BREAK_NONE = 0,
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BREAK_MANDATORY = 1 << 5,
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BREAK_WORD_BOUND = 1 << 6,
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BREAK_GRAPHEME_BOUND = 1 << 7,
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BREAK_WORD_BOUND_ADAPTIVE = 1 << 6 | 1 << 8,
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};
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enum TextOverrunFlag {
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OVERRUN_NO_TRIMMING = 0,
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OVERRUN_TRIM = 1 << 0,
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OVERRUN_TRIM_WORD_ONLY = 1 << 1,
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OVERRUN_ADD_ELLIPSIS = 1 << 2,
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OVERRUN_ENFORCE_ELLIPSIS = 1 << 3,
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OVERRUN_JUSTIFICATION_AWARE = 1 << 4,
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};
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enum GraphemeFlag {
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GRAPHEME_IS_VALID = 1 << 0, // Glyph is valid.
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GRAPHEME_IS_RTL = 1 << 1, // Glyph is right-to-left.
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GRAPHEME_IS_VIRTUAL = 1 << 2, // Glyph is not part of source string (added by fit_to_width function, do not affect caret movement).
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GRAPHEME_IS_SPACE = 1 << 3, // Is whitespace (for justification and word breaks).
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GRAPHEME_IS_BREAK_HARD = 1 << 4, // Is line break (mandatory break, e.g. "\n").
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GRAPHEME_IS_BREAK_SOFT = 1 << 5, // Is line break (optional break, e.g. space).
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GRAPHEME_IS_TAB = 1 << 6, // Is tab or vertical tab.
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GRAPHEME_IS_ELONGATION = 1 << 7, // Elongation (e.g. kashida), glyph can be duplicated or truncated to fit line to width.
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GRAPHEME_IS_PUNCTUATION = 1 << 8, // Punctuation, except underscore (can be used as word break, but not line break or justifiction).
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GRAPHEME_IS_UNDERSCORE = 1 << 9, // Underscore (can be used as word break).
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GRAPHEME_IS_CONNECTED = 1 << 10, // Connected to previous grapheme.
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};
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enum Hinting {
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HINTING_NONE,
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HINTING_LIGHT,
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HINTING_NORMAL
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};
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enum SubpixelPositioning {
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SUBPIXEL_POSITIONING_DISABLED = 0,
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SUBPIXEL_POSITIONING_AUTO = 1,
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SUBPIXEL_POSITIONING_ONE_HALF = 2,
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SUBPIXEL_POSITIONING_ONE_QUARTER = 3,
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SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE = 20,
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SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE = 16,
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};
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enum Feature {
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FEATURE_SIMPLE_LAYOUT = 1 << 0,
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FEATURE_BIDI_LAYOUT = 1 << 1,
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FEATURE_VERTICAL_LAYOUT = 1 << 2,
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FEATURE_SHAPING = 1 << 3,
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FEATURE_KASHIDA_JUSTIFICATION = 1 << 4,
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FEATURE_BREAK_ITERATORS = 1 << 5,
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FEATURE_FONT_BITMAP = 1 << 6,
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FEATURE_FONT_DYNAMIC = 1 << 7,
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FEATURE_FONT_MSDF = 1 << 8,
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FEATURE_FONT_SYSTEM = 1 << 9,
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FEATURE_FONT_VARIABLE = 1 << 10,
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FEATURE_CONTEXT_SENSITIVE_CASE_CONVERSION = 1 << 11,
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FEATURE_USE_SUPPORT_DATA = 1 << 12,
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};
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enum ContourPointTag {
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CONTOUR_CURVE_TAG_ON = 0x01,
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CONTOUR_CURVE_TAG_OFF_CONIC = 0x00,
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CONTOUR_CURVE_TAG_OFF_CUBIC = 0x02
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};
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enum SpacingType {
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SPACING_GLYPH,
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SPACING_SPACE,
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SPACING_TOP,
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SPACING_BOTTOM,
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};
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enum FontStyle {
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FONT_BOLD = 1 << 0,
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FONT_ITALIC = 1 << 1,
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FONT_FIXED_WIDTH = 1 << 2,
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};
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enum StructuredTextParser {
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STRUCTURED_TEXT_DEFAULT,
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STRUCTURED_TEXT_URI,
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STRUCTURED_TEXT_FILE,
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STRUCTURED_TEXT_EMAIL,
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STRUCTURED_TEXT_LIST,
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STRUCTURED_TEXT_NONE,
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STRUCTURED_TEXT_CUSTOM
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};
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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;
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protected:
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Map<char32_t, char32_t> diacritics_map;
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void _diacritics_map_add(const String &p_from, char32_t p_to);
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void _init_diacritics_map();
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static void _bind_methods();
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public:
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virtual bool has_feature(Feature p_feature) const = 0;
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virtual String get_name() const = 0;
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virtual int64_t get_features() const = 0;
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virtual void free_rid(const RID &p_rid) = 0;
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virtual bool has(const RID &p_rid) = 0;
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virtual bool load_support_data(const String &p_filename) = 0;
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virtual String get_support_data_filename() const = 0;
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virtual String get_support_data_info() const = 0;
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virtual bool save_support_data(const String &p_filename) const = 0;
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virtual bool is_locale_right_to_left(const String &p_locale) const = 0;
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virtual int64_t name_to_tag(const String &p_name) const { return 0; };
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virtual String tag_to_name(int64_t p_tag) const { return ""; };
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/* Font interface */
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virtual RID create_font() = 0;
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virtual void font_set_data(const RID &p_font_rid, const PackedByteArray &p_data) = 0;
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virtual void font_set_data_ptr(const RID &p_font_rid, const uint8_t *p_data_ptr, int64_t p_data_size) = 0;
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virtual void font_set_style(const RID &p_font_rid, int64_t /*FontStyle*/ p_style) = 0;
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virtual int64_t /*FontStyle*/ font_get_style(const RID &p_font_rid) const = 0;
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virtual void font_set_name(const RID &p_font_rid, const String &p_name) = 0;
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virtual String font_get_name(const RID &p_font_rid) const = 0;
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virtual void font_set_style_name(const RID &p_font_rid, const String &p_name) = 0;
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virtual String font_get_style_name(const RID &p_font_rid) const = 0;
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virtual void font_set_antialiased(const RID &p_font_rid, bool p_antialiased) = 0;
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virtual bool font_is_antialiased(const RID &p_font_rid) const = 0;
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virtual void font_set_generate_mipmaps(const RID &p_font_rid, bool p_generate_mipmaps) = 0;
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virtual bool font_get_generate_mipmaps(const RID &p_font_rid) const = 0;
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virtual void font_set_multichannel_signed_distance_field(const RID &p_font_rid, bool p_msdf) = 0;
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virtual bool font_is_multichannel_signed_distance_field(const RID &p_font_rid) const = 0;
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virtual void font_set_msdf_pixel_range(const RID &p_font_rid, int64_t p_msdf_pixel_range) = 0;
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virtual int64_t font_get_msdf_pixel_range(const RID &p_font_rid) const = 0;
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virtual void font_set_msdf_size(const RID &p_font_rid, int64_t p_msdf_size) = 0;
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virtual int64_t font_get_msdf_size(const RID &p_font_rid) const = 0;
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virtual void font_set_fixed_size(const RID &p_font_rid, int64_t p_fixed_size) = 0;
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virtual int64_t font_get_fixed_size(const RID &p_font_rid) const = 0;
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virtual void font_set_force_autohinter(const RID &p_font_rid, bool p_force_autohinter) = 0;
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virtual bool font_is_force_autohinter(const RID &p_font_rid) const = 0;
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virtual void font_set_hinting(const RID &p_font_rid, Hinting p_hinting) = 0;
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virtual Hinting font_get_hinting(const RID &p_font_rid) const = 0;
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virtual void font_set_subpixel_positioning(const RID &p_font_rid, SubpixelPositioning p_subpixel) = 0;
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virtual SubpixelPositioning font_get_subpixel_positioning(const RID &p_font_rid) const = 0;
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virtual void font_set_embolden(const RID &p_font_rid, double p_strength) = 0;
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virtual double font_get_embolden(const RID &p_font_rid) const = 0;
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virtual void font_set_transform(const RID &p_font_rid, const Transform2D &p_transform) = 0;
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virtual Transform2D font_get_transform(const RID &p_font_rid) const = 0;
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virtual void font_set_variation_coordinates(const RID &p_font_rid, const Dictionary &p_variation_coordinates) = 0;
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virtual Dictionary font_get_variation_coordinates(const RID &p_font_rid) const = 0;
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virtual void font_set_oversampling(const RID &p_font_rid, double p_oversampling) = 0;
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virtual double font_get_oversampling(const RID &p_font_rid) const = 0;
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virtual Array font_get_size_cache_list(const RID &p_font_rid) const = 0;
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virtual void font_clear_size_cache(const RID &p_font_rid) = 0;
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virtual void font_remove_size_cache(const RID &p_font_rid, const Vector2i &p_size) = 0;
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virtual void font_set_ascent(const RID &p_font_rid, int64_t p_size, double p_ascent) = 0;
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virtual double font_get_ascent(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_descent(const RID &p_font_rid, int64_t p_size, double p_descent) = 0;
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virtual double font_get_descent(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_underline_position(const RID &p_font_rid, int64_t p_size, double p_underline_position) = 0;
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virtual double font_get_underline_position(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_underline_thickness(const RID &p_font_rid, int64_t p_size, double p_underline_thickness) = 0;
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virtual double font_get_underline_thickness(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_scale(const RID &p_font_rid, int64_t p_size, double p_scale) = 0;
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virtual double font_get_scale(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_spacing(const RID &p_font_rid, int64_t p_size, SpacingType p_spacing, int64_t p_value) = 0;
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virtual int64_t font_get_spacing(const RID &p_font_rid, int64_t p_size, SpacingType p_spacing) const = 0;
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virtual int64_t font_get_texture_count(const RID &p_font_rid, const Vector2i &p_size) const = 0;
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virtual void font_clear_textures(const RID &p_font_rid, const Vector2i &p_size) = 0;
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virtual void font_remove_texture(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) = 0;
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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;
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virtual Ref<Image> font_get_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const = 0;
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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;
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virtual PackedInt32Array font_get_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const = 0;
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virtual Array font_get_glyph_list(const RID &p_font_rid, const Vector2i &p_size) const = 0;
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virtual void font_clear_glyphs(const RID &p_font_rid, const Vector2i &p_size) = 0;
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virtual void font_remove_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) = 0;
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virtual Vector2 font_get_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph) const = 0;
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virtual void font_set_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph, const Vector2 &p_advance) = 0;
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virtual Vector2 font_get_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual void font_set_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_offset) = 0;
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virtual Vector2 font_get_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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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;
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virtual Rect2 font_get_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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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;
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virtual int64_t font_get_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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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;
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virtual RID font_get_glyph_texture_rid(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual Size2 font_get_glyph_texture_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual Dictionary font_get_glyph_contours(const RID &p_font, int64_t p_size, int64_t p_index) const = 0;
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virtual Array font_get_kerning_list(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_clear_kerning_map(const RID &p_font_rid, int64_t p_size) = 0;
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virtual void font_remove_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) = 0;
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virtual void font_set_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) = 0;
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virtual Vector2 font_get_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) const = 0;
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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;
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virtual bool font_has_char(const RID &p_font_rid, int64_t p_char) const = 0;
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virtual String font_get_supported_chars(const RID &p_font_rid) const = 0;
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virtual void font_render_range(const RID &p_font, const Vector2i &p_size, int64_t p_start, int64_t p_end) = 0;
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virtual void font_render_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_index) = 0;
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virtual void font_draw_glyph(const RID &p_font, const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1)) const = 0;
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virtual void font_draw_glyph_outline(const RID &p_font, const RID &p_canvas, int64_t p_size, int64_t p_outline_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1)) const = 0;
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virtual bool font_is_language_supported(const RID &p_font_rid, const String &p_language) const = 0;
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virtual void font_set_language_support_override(const RID &p_font_rid, const String &p_language, bool p_supported) = 0;
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virtual bool font_get_language_support_override(const RID &p_font_rid, const String &p_language) = 0;
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virtual void font_remove_language_support_override(const RID &p_font_rid, const String &p_language) = 0;
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virtual PackedStringArray font_get_language_support_overrides(const RID &p_font_rid) = 0;
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virtual bool font_is_script_supported(const RID &p_font_rid, const String &p_script) const = 0;
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virtual void font_set_script_support_override(const RID &p_font_rid, const String &p_script, bool p_supported) = 0;
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virtual bool font_get_script_support_override(const RID &p_font_rid, const String &p_script) = 0;
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virtual void font_remove_script_support_override(const RID &p_font_rid, const String &p_script) = 0;
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virtual PackedStringArray font_get_script_support_overrides(const RID &p_font_rid) = 0;
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virtual void font_set_opentype_feature_overrides(const RID &p_font_rid, const Dictionary &p_overrides) = 0;
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virtual Dictionary font_get_opentype_feature_overrides(const RID &p_font_rid) const = 0;
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virtual Dictionary font_supported_feature_list(const RID &p_font_rid) const = 0;
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virtual Dictionary font_supported_variation_list(const RID &p_font_rid) const = 0;
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virtual double font_get_global_oversampling() const = 0;
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virtual void font_set_global_oversampling(double p_oversampling) = 0;
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virtual Vector2 get_hex_code_box_size(int64_t p_size, int64_t p_index) const;
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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;
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/* Shaped text buffer interface */
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virtual RID create_shaped_text(Direction p_direction = DIRECTION_AUTO, Orientation p_orientation = ORIENTATION_HORIZONTAL) = 0;
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virtual void shaped_text_clear(const RID &p_shaped) = 0;
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virtual void shaped_text_set_direction(const RID &p_shaped, Direction p_direction = DIRECTION_AUTO) = 0;
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virtual Direction shaped_text_get_direction(const RID &p_shaped) const = 0;
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virtual Direction shaped_text_get_inferred_direction(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_bidi_override(const RID &p_shaped, const Array &p_override) = 0;
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virtual void shaped_text_set_custom_punctuation(const RID &p_shaped, const String &p_punct) = 0;
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virtual String shaped_text_get_custom_punctuation(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_orientation(const RID &p_shaped, Orientation p_orientation = ORIENTATION_HORIZONTAL) = 0;
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virtual Orientation shaped_text_get_orientation(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_preserve_invalid(const RID &p_shaped, bool p_enabled) = 0;
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virtual bool shaped_text_get_preserve_invalid(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_preserve_control(const RID &p_shaped, bool p_enabled) = 0;
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virtual bool shaped_text_get_preserve_control(const RID &p_shaped) const = 0;
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virtual bool shaped_text_add_string(const RID &p_shaped, const String &p_text, const Array &p_fonts, int64_t p_size, const Dictionary &p_opentype_features = Dictionary(), const String &p_language = "", const Variant &p_meta = Variant()) = 0;
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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) = 0;
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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) = 0;
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virtual int64_t shaped_get_span_count(const RID &p_shaped) const = 0;
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virtual Variant shaped_get_span_meta(const RID &p_shaped, int64_t p_index) const = 0;
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virtual void shaped_set_span_update_font(const RID &p_shaped, int64_t p_index, const Array &p_fonts, int64_t p_size, const Dictionary &p_opentype_features = Dictionary()) = 0;
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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.
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virtual RID shaped_text_get_parent(const RID &p_shaped) const = 0;
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virtual double shaped_text_fit_to_width(const RID &p_shaped, double p_width, int64_t /*JustificationFlag*/ p_jst_flags = JUSTIFICATION_WORD_BOUND | JUSTIFICATION_KASHIDA) = 0;
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virtual double shaped_text_tab_align(const RID &p_shaped, const PackedFloat32Array &p_tab_stops) = 0;
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virtual bool shaped_text_shape(const RID &p_shaped) = 0;
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virtual bool shaped_text_update_breaks(const RID &p_shaped) = 0;
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virtual bool shaped_text_update_justification_ops(const RID &p_shaped) = 0;
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virtual bool shaped_text_is_ready(const RID &p_shaped) const = 0;
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virtual const Glyph *shaped_text_get_glyphs(const RID &p_shaped) const = 0;
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Array _shaped_text_get_glyphs_wrapper(const RID &p_shaped) const;
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virtual const Glyph *shaped_text_sort_logical(const RID &p_shaped) = 0;
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Array _shaped_text_sort_logical_wrapper(const RID &p_shaped);
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virtual int64_t shaped_text_get_glyph_count(const RID &p_shaped) const = 0;
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virtual Vector2i shaped_text_get_range(const RID &p_shaped) const = 0;
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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, int64_t /*TextBreakFlag*/ p_break_flags = BREAK_MANDATORY | BREAK_WORD_BOUND) const;
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virtual PackedInt32Array shaped_text_get_line_breaks(const RID &p_shaped, double p_width, int64_t p_start = 0, int64_t /*TextBreakFlag*/ p_break_flags = BREAK_MANDATORY | BREAK_WORD_BOUND) const;
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virtual PackedInt32Array shaped_text_get_word_breaks(const RID &p_shaped, int64_t p_grapheme_flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_PUNCTUATION) const;
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virtual int64_t shaped_text_get_trim_pos(const RID &p_shaped) const = 0;
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virtual int64_t shaped_text_get_ellipsis_pos(const RID &p_shaped) const = 0;
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virtual const Glyph *shaped_text_get_ellipsis_glyphs(const RID &p_shaped) const = 0;
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Array _shaped_text_get_ellipsis_glyphs_wrapper(const RID &p_shaped) const;
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virtual int64_t shaped_text_get_ellipsis_glyph_count(const RID &p_shaped) const = 0;
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virtual void shaped_text_overrun_trim_to_width(const RID &p_shaped, double p_width, int64_t p_trim_flags) = 0;
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virtual Array shaped_text_get_objects(const RID &p_shaped) const = 0;
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virtual Rect2 shaped_text_get_object_rect(const RID &p_shaped, const Variant &p_key) const = 0;
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virtual Size2 shaped_text_get_size(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_ascent(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_descent(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_width(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_underline_position(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_underline_thickness(const RID &p_shaped) const = 0;
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virtual Direction shaped_text_get_dominant_direction_in_range(const RID &p_shaped, int64_t p_start, int64_t p_end) const;
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virtual CaretInfo shaped_text_get_carets(const RID &p_shaped, int64_t p_position) const;
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Dictionary _shaped_text_get_carets_wrapper(const RID &p_shaped, int64_t p_position) const;
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virtual Vector<Vector2> shaped_text_get_selection(const RID &p_shaped, int64_t p_start, int64_t p_end) const;
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virtual int64_t shaped_text_hit_test_grapheme(const RID &p_shaped, double p_coords) const; // Return grapheme index.
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virtual int64_t shaped_text_hit_test_position(const RID &p_shaped, double p_coords) const; // Return caret/selection position.
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virtual Vector2 shaped_text_get_grapheme_bounds(const RID &p_shaped, int64_t p_pos) const;
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virtual int64_t shaped_text_next_grapheme_pos(const RID &p_shaped, int64_t p_pos) const;
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virtual int64_t shaped_text_prev_grapheme_pos(const RID &p_shaped, int64_t p_pos) const;
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// The pen position is always placed on the baseline and moveing left to right.
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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)) const;
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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)) const;
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// Number conversion.
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virtual String format_number(const String &p_string, const String &p_language = "") const = 0;
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virtual String parse_number(const String &p_string, const String &p_language = "") const = 0;
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virtual String percent_sign(const String &p_language = "") const = 0;
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virtual String strip_diacritics(const String &p_string) const;
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// Other string operations.
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virtual String string_to_upper(const String &p_string, const String &p_language = "") const = 0;
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virtual String string_to_lower(const String &p_string, const String &p_language = "") const = 0;
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Array parse_structured_text(StructuredTextParser p_parser_type, const Array &p_args, const String &p_text) const;
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TextServer();
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~TextServer();
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};
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/*************************************************************************/
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struct Glyph {
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int start = -1; // Start offset in the source string.
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int end = -1; // End offset in the source string.
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uint8_t count = 0; // Number of glyphs in the grapheme, set in the first glyph only.
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uint8_t repeat = 1; // Draw multiple times in the row.
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uint16_t flags = 0; // Grapheme flags (valid, rtl, virtual), set in the first glyph only.
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float x_off = 0.f; // Offset from the origin of the glyph on baseline.
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float y_off = 0.f;
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float advance = 0.f; // Advance to the next glyph along baseline(x for horizontal layout, y for vertical).
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RID font_rid; // Font resource.
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int font_size = 0; // Font size;
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int32_t index = 0; // Glyph index (font specific) or UTF-32 codepoint (for the invalid glyphs).
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bool operator==(const Glyph &p_a) const;
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bool operator!=(const Glyph &p_a) const;
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bool operator<(const Glyph &p_a) const;
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bool operator>(const Glyph &p_a) const;
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};
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struct CaretInfo {
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Rect2 l_caret;
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Rect2 t_caret;
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TextServer::Direction l_dir;
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TextServer::Direction t_dir;
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};
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/*************************************************************************/
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class TextServerManager : public Object {
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GDCLASS(TextServerManager, Object);
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protected:
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static void _bind_methods();
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private:
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static TextServerManager *singleton;
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Ref<TextServer> primary_interface;
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Vector<Ref<TextServer>> interfaces;
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public:
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_FORCE_INLINE_ static TextServerManager *get_singleton() {
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return singleton;
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}
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void add_interface(const Ref<TextServer> &p_interface);
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void remove_interface(const Ref<TextServer> &p_interface);
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int get_interface_count() const;
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Ref<TextServer> get_interface(int p_index) const;
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Ref<TextServer> find_interface(const String &p_name) const;
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Array get_interfaces() const;
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_FORCE_INLINE_ Ref<TextServer> get_primary_interface() const {
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return primary_interface;
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}
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void set_primary_interface(const Ref<TextServer> &p_primary_interface);
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TextServerManager();
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~TextServerManager();
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};
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/*************************************************************************/
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#define TS TextServerManager::get_singleton()->get_primary_interface()
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VARIANT_ENUM_CAST(TextServer::Direction);
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VARIANT_ENUM_CAST(TextServer::Orientation);
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VARIANT_ENUM_CAST(TextServer::JustificationFlag);
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VARIANT_ENUM_CAST(TextServer::LineBreakFlag);
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VARIANT_ENUM_CAST(TextServer::TextOverrunFlag);
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VARIANT_ENUM_CAST(TextServer::GraphemeFlag);
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VARIANT_ENUM_CAST(TextServer::Hinting);
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VARIANT_ENUM_CAST(TextServer::SubpixelPositioning);
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VARIANT_ENUM_CAST(TextServer::Feature);
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VARIANT_ENUM_CAST(TextServer::ContourPointTag);
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VARIANT_ENUM_CAST(TextServer::SpacingType);
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VARIANT_ENUM_CAST(TextServer::FontStyle);
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VARIANT_ENUM_CAST(TextServer::StructuredTextParser);
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GDVIRTUAL_NATIVE_PTR(Glyph);
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GDVIRTUAL_NATIVE_PTR(CaretInfo);
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#endif // TEXT_SERVER_H
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