2014-02-10 02:10:30 +01:00
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/*************************************************************************/
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/* font.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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2017-08-27 14:16:55 +02:00
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/* https://godotengine.org */
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2014-02-10 02:10:30 +01:00
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/*************************************************************************/
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2022-01-03 21:27:34 +01:00
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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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2014-02-10 02:10:30 +01:00
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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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2018-01-05 00:50:27 +01:00
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2014-02-10 02:10:30 +01:00
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#ifndef FONT_H
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#define FONT_H
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2020-11-07 23:33:38 +01:00
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#include "core/io/resource.h"
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2020-09-03 13:22:16 +02:00
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#include "core/templates/lru.h"
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2020-11-07 23:33:38 +01:00
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#include "core/templates/map.h"
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2014-02-10 02:10:30 +01:00
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#include "scene/resources/texture.h"
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2020-09-03 13:22:16 +02:00
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#include "servers/text_server.h"
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2016-04-29 03:21:18 +02:00
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2020-09-03 13:22:16 +02:00
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/*************************************************************************/
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class FontData : public Resource {
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GDCLASS(FontData, Resource);
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2020-12-27 14:30:33 +01:00
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RES_BASE_EXTENSION("fontdata");
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2020-09-03 13:22:16 +02:00
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2020-12-27 14:30:33 +01:00
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// Font source data.
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const uint8_t *data_ptr = nullptr;
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size_t data_size = 0;
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PackedByteArray data;
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2021-02-15 09:46:23 +01:00
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2020-12-27 14:30:33 +01:00
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bool antialiased = true;
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bool msdf = false;
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int msdf_pixel_range = 16;
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int msdf_size = 48;
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int fixed_size = 0;
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bool force_autohinter = false;
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TextServer::Hinting hinting = TextServer::HINTING_LIGHT;
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real_t oversampling = 0.f;
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// Cache.
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mutable Vector<RID> cache;
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_FORCE_INLINE_ void _clear_cache();
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_FORCE_INLINE_ void _ensure_rid(int p_cache_index) const;
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2016-04-29 03:21:18 +02:00
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protected:
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static void _bind_methods();
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2020-09-03 13:22:16 +02:00
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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2021-02-11 18:18:45 +01:00
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virtual void reset_state() override;
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2016-04-29 03:21:18 +02:00
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public:
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2020-12-27 14:30:33 +01:00
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// Font source data.
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virtual void set_data_ptr(const uint8_t *p_data, size_t p_size);
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virtual void set_data(const PackedByteArray &p_data);
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virtual PackedByteArray get_data() const;
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2016-04-29 03:21:18 +02:00
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2020-12-27 14:30:33 +01:00
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// Common properties.
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2021-10-26 08:40:11 +02:00
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virtual void set_font_name(const String &p_name);
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virtual String get_font_name() const;
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virtual void set_font_style_name(const String &p_name);
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virtual String get_font_style_name() const;
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virtual void set_font_style(uint32_t p_style);
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virtual uint32_t get_font_style() const;
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2020-12-27 14:30:33 +01:00
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virtual void set_antialiased(bool p_antialiased);
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virtual bool is_antialiased() const;
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2016-04-29 03:21:18 +02:00
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2020-12-27 14:30:33 +01:00
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virtual void set_multichannel_signed_distance_field(bool p_msdf);
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virtual bool is_multichannel_signed_distance_field() const;
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2021-02-06 15:34:06 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_msdf_pixel_range(int p_msdf_pixel_range);
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virtual int get_msdf_pixel_range() const;
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2021-02-06 15:34:06 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_msdf_size(int p_msdf_size);
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virtual int get_msdf_size() const;
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2016-04-29 03:21:18 +02:00
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2020-12-27 14:30:33 +01:00
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virtual void set_fixed_size(int p_fixed_size);
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virtual int get_fixed_size() const;
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2016-04-29 03:21:18 +02:00
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2020-12-27 14:30:33 +01:00
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virtual void set_force_autohinter(bool p_force_autohinter);
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virtual bool is_force_autohinter() const;
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2020-10-22 18:40:18 +02:00
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2020-12-27 14:30:33 +01:00
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virtual void set_hinting(TextServer::Hinting p_hinting);
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virtual TextServer::Hinting get_hinting() const;
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2018-03-17 09:44:34 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_oversampling(real_t p_oversampling);
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virtual real_t get_oversampling() const;
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2016-04-29 03:21:18 +02:00
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2020-12-27 14:30:33 +01:00
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// Cache.
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virtual RID find_cache(const Dictionary &p_variation_coordinates) const;
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2021-02-15 09:46:23 +01:00
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2020-12-27 14:30:33 +01:00
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virtual int get_cache_count() const;
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virtual void clear_cache();
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virtual void remove_cache(int p_cache_index);
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2016-04-29 03:21:18 +02:00
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2020-12-27 14:30:33 +01:00
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virtual Array get_size_cache_list(int p_cache_index) const;
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virtual void clear_size_cache(int p_cache_index);
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virtual void remove_size_cache(int p_cache_index, const Vector2i &p_size);
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2018-03-17 09:44:34 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_variation_coordinates(int p_cache_index, const Dictionary &p_variation_coordinates);
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virtual Dictionary get_variation_coordinates(int p_cache_index) const;
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2018-03-17 09:44:34 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_ascent(int p_cache_index, int p_size, real_t p_ascent);
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virtual real_t get_ascent(int p_cache_index, int p_size) const;
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2018-03-17 09:44:34 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_descent(int p_cache_index, int p_size, real_t p_descent);
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virtual real_t get_descent(int p_cache_index, int p_size) const;
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2016-03-09 00:00:52 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_underline_position(int p_cache_index, int p_size, real_t p_underline_position);
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virtual real_t get_underline_position(int p_cache_index, int p_size) const;
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2014-02-10 02:10:30 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_underline_thickness(int p_cache_index, int p_size, real_t p_underline_thickness);
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virtual real_t get_underline_thickness(int p_cache_index, int p_size) const;
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2014-02-10 02:10:30 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_scale(int p_cache_index, int p_size, real_t p_scale); // Rendering scale for bitmap fonts (e.g. emoji fonts).
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virtual real_t get_scale(int p_cache_index, int p_size) const;
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2014-02-10 02:10:30 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_spacing(int p_cache_index, int p_size, TextServer::SpacingType p_spacing, int p_value);
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virtual int get_spacing(int p_cache_index, int p_size, TextServer::SpacingType p_spacing) const;
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2014-02-10 02:10:30 +01:00
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2020-12-27 14:30:33 +01:00
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virtual int get_texture_count(int p_cache_index, const Vector2i &p_size) const;
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virtual void clear_textures(int p_cache_index, const Vector2i &p_size);
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virtual void remove_texture(int p_cache_index, const Vector2i &p_size, int p_texture_index);
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2020-09-03 13:22:16 +02:00
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2020-12-27 14:30:33 +01:00
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virtual void set_texture_image(int p_cache_index, const Vector2i &p_size, int p_texture_index, const Ref<Image> &p_image);
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virtual Ref<Image> get_texture_image(int p_cache_index, const Vector2i &p_size, int p_texture_index) const;
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2020-09-03 13:22:16 +02:00
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2020-12-27 14:30:33 +01:00
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virtual void set_texture_offsets(int p_cache_index, const Vector2i &p_size, int p_texture_index, const PackedInt32Array &p_offset);
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virtual PackedInt32Array get_texture_offsets(int p_cache_index, const Vector2i &p_size, int p_texture_index) const;
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virtual Array get_glyph_list(int p_cache_index, const Vector2i &p_size) const;
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virtual void clear_glyphs(int p_cache_index, const Vector2i &p_size);
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virtual void remove_glyph(int p_cache_index, const Vector2i &p_size, int32_t p_glyph);
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virtual void set_glyph_advance(int p_cache_index, int p_size, int32_t p_glyph, const Vector2 &p_advance);
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virtual Vector2 get_glyph_advance(int p_cache_index, int p_size, int32_t p_glyph) const;
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virtual void set_glyph_offset(int p_cache_index, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_offset);
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virtual Vector2 get_glyph_offset(int p_cache_index, const Vector2i &p_size, int32_t p_glyph) const;
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virtual void set_glyph_size(int p_cache_index, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_gl_size);
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virtual Vector2 get_glyph_size(int p_cache_index, const Vector2i &p_size, int32_t p_glyph) const;
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virtual void set_glyph_uv_rect(int p_cache_index, const Vector2i &p_size, int32_t p_glyph, const Rect2 &p_uv_rect);
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virtual Rect2 get_glyph_uv_rect(int p_cache_index, const Vector2i &p_size, int32_t p_glyph) const;
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virtual void set_glyph_texture_idx(int p_cache_index, const Vector2i &p_size, int32_t p_glyph, int p_texture_idx);
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virtual int get_glyph_texture_idx(int p_cache_index, const Vector2i &p_size, int32_t p_glyph) const;
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2020-09-03 13:22:16 +02:00
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2020-12-27 14:30:33 +01:00
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virtual Array get_kerning_list(int p_cache_index, int p_size) const;
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virtual void clear_kerning_map(int p_cache_index, int p_size);
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virtual void remove_kerning(int p_cache_index, int p_size, const Vector2i &p_glyph_pair);
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virtual void set_kerning(int p_cache_index, int p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning);
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virtual Vector2 get_kerning(int p_cache_index, int p_size, const Vector2i &p_glyph_pair) const;
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virtual void render_range(int p_cache_index, const Vector2i &p_size, char32_t p_start, char32_t p_end);
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virtual void render_glyph(int p_cache_index, const Vector2i &p_size, int32_t p_index);
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virtual RID get_cache_rid(int p_cache_index) const;
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// Language/script support override.
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virtual bool is_language_supported(const String &p_language) const;
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virtual void set_language_support_override(const String &p_language, bool p_supported);
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virtual bool get_language_support_override(const String &p_language) const;
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virtual void remove_language_support_override(const String &p_language);
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virtual Vector<String> get_language_support_overrides() const;
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virtual bool is_script_supported(const String &p_script) const;
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virtual void set_script_support_override(const String &p_script, bool p_supported);
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virtual bool get_script_support_override(const String &p_script) const;
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virtual void remove_script_support_override(const String &p_script);
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virtual Vector<String> get_script_support_overrides() const;
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// Base font properties.
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virtual bool has_char(char32_t p_char) const;
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virtual String get_supported_chars() const;
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virtual int32_t get_glyph_index(int p_size, char32_t p_char, char32_t p_variation_selector = 0x0000) const;
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virtual Dictionary get_supported_feature_list() const;
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virtual Dictionary get_supported_variation_list() const;
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FontData();
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2020-09-03 13:22:16 +02:00
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~FontData();
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};
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/*************************************************************************/
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class TextLine;
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class TextParagraph;
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class Font : public Resource {
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GDCLASS(Font, Resource);
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2020-12-27 14:30:33 +01:00
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// Shaped string cache.
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2020-09-03 13:22:16 +02:00
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mutable LRUCache<uint64_t, Ref<TextLine>> cache;
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mutable LRUCache<uint64_t, Ref<TextParagraph>> cache_wrap;
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2014-02-10 02:10:30 +01:00
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2020-12-27 14:30:33 +01:00
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// Font data cache.
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2020-09-03 13:22:16 +02:00
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Vector<Ref<FontData>> data;
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2020-12-27 14:30:33 +01:00
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mutable Vector<RID> rids;
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// Font config.
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Dictionary variation_coordinates;
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int spacing_bottom = 0;
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int spacing_top = 0;
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_FORCE_INLINE_ void _data_changed();
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_FORCE_INLINE_ void _ensure_rid(int p_index) const; // Find or create cache record.
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2016-03-09 00:00:52 +01:00
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2017-03-05 16:44:50 +01:00
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protected:
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2014-02-10 02:10:30 +01:00
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static void _bind_methods();
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2020-09-03 13:22:16 +02:00
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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2016-03-09 00:00:52 +01:00
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2021-02-11 18:18:45 +01:00
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virtual void reset_state() override;
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2020-09-03 13:22:16 +02:00
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public:
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2021-10-25 10:49:18 +02:00
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static const int DEFAULT_FONT_SIZE = 16;
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2020-09-03 13:22:16 +02:00
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Dictionary get_feature_list() const;
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2016-03-09 00:00:52 +01:00
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2020-12-27 14:30:33 +01:00
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// Font data.
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virtual void add_data(const Ref<FontData> &p_data);
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virtual void set_data(int p_idx, const Ref<FontData> &p_data);
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virtual int get_data_count() const;
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virtual Ref<FontData> get_data(int p_idx) const;
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virtual RID get_data_rid(int p_idx) const;
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virtual void clear_data();
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virtual void remove_data(int p_idx);
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// Font configuration.
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virtual void set_variation_coordinates(const Dictionary &p_variation_coordinates);
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virtual Dictionary get_variation_coordinates() const;
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2014-02-10 02:10:30 +01:00
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2020-12-27 14:30:33 +01:00
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virtual void set_spacing(TextServer::SpacingType p_spacing, int p_value);
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virtual int get_spacing(TextServer::SpacingType p_spacing) const;
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2014-02-10 02:10:30 +01:00
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2020-12-27 14:30:33 +01:00
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// Font metrics.
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2021-10-25 10:49:18 +02:00
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virtual real_t get_height(int p_size = DEFAULT_FONT_SIZE) const;
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virtual real_t get_ascent(int p_size = DEFAULT_FONT_SIZE) const;
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virtual real_t get_descent(int p_size = DEFAULT_FONT_SIZE) const;
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virtual real_t get_underline_position(int p_size = DEFAULT_FONT_SIZE) const;
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virtual real_t get_underline_thickness(int p_size = DEFAULT_FONT_SIZE) const;
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2014-02-10 02:10:30 +01:00
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2020-09-03 13:22:16 +02:00
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// Drawing string.
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2021-09-16 08:03:50 +02:00
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virtual Size2 get_string_size(const String &p_text, int p_size = DEFAULT_FONT_SIZE, HorizontalAlignment p_alignment = HORIZONTAL_ALIGNMENT_LEFT, float p_width = -1, uint16_t p_flags = TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND) const;
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virtual Size2 get_multiline_string_size(const String &p_text, float p_width = -1, int p_size = DEFAULT_FONT_SIZE, uint16_t p_flags = TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND) const;
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2015-12-11 03:02:40 +01:00
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2021-09-16 08:03:50 +02:00
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virtual void draw_string(RID p_canvas_item, const Point2 &p_pos, const String &p_text, HorizontalAlignment p_alignment = HORIZONTAL_ALIGNMENT_LEFT, float p_width = -1, int p_size = DEFAULT_FONT_SIZE, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0), uint16_t p_flags = TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND) const;
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virtual void draw_multiline_string(RID p_canvas_item, const Point2 &p_pos, const String &p_text, HorizontalAlignment p_alignment = HORIZONTAL_ALIGNMENT_LEFT, float p_width = -1, int p_max_lines = -1, int p_size = DEFAULT_FONT_SIZE, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0), uint16_t p_flags = TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND) const;
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2015-12-11 03:02:40 +01:00
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2020-09-03 13:22:16 +02:00
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// Helper functions.
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2020-12-27 14:30:33 +01:00
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virtual bool has_char(char32_t p_char) const;
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virtual String get_supported_chars() const;
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2015-03-21 04:43:33 +01:00
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2020-12-27 14:30:33 +01:00
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// Drawing char.
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2021-10-25 10:49:18 +02:00
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virtual Size2 get_char_size(char32_t p_char, char32_t p_next = 0, int p_size = DEFAULT_FONT_SIZE) const;
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virtual real_t draw_char(RID p_canvas_item, const Point2 &p_pos, char32_t p_char, char32_t p_next = 0, int p_size = DEFAULT_FONT_SIZE, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0)) const;
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2016-03-09 00:00:52 +01:00
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2020-09-03 13:22:16 +02:00
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Vector<RID> get_rids() const;
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void update_changes();
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2016-03-09 00:00:52 +01:00
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2020-09-03 13:22:16 +02:00
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Font();
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~Font();
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2014-02-10 02:10:30 +01:00
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};
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2020-11-27 21:55:24 +01:00
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#endif /* FONT_H */
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