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102 lines
5.0 KiB
C++
102 lines
5.0 KiB
C++
/*************************************************************************/
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/* font_fb.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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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 FONT_FALLBACK_H
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#define FONT_FALLBACK_H
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#include "servers/text_server.h"
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struct FontDataFallback {
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Map<String, bool> lang_support_overrides;
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Map<String, bool> script_support_overrides;
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bool valid = false;
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int spacing_space = 0;
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int spacing_glyph = 0;
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virtual void clear_cache() = 0;
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virtual Error load_from_file(const String &p_filename, int p_base_size) { return ERR_CANT_CREATE; };
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virtual Error load_from_memory(const uint8_t *p_data, size_t p_size, int p_base_size) { return ERR_CANT_CREATE; };
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virtual Error bitmap_new(float p_height, float p_ascent, int p_base_size) { return ERR_CANT_CREATE; };
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virtual void bitmap_add_texture(const Ref<Texture> &p_texture) { ERR_FAIL_MSG("Not supported."); };
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virtual void bitmap_add_char(char32_t p_char, int p_texture_idx, const Rect2 &p_rect, const Size2 &p_align, float p_advance) { ERR_FAIL_MSG("Not supported."); };
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virtual void bitmap_add_kerning_pair(char32_t p_A, char32_t p_B, int p_kerning) { ERR_FAIL_MSG("Not supported."); };
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virtual float get_height(int p_size) const = 0;
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virtual float get_ascent(int p_size) const = 0;
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virtual float get_descent(int p_size) const = 0;
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virtual float get_underline_position(int p_size) const = 0;
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virtual float get_underline_thickness(int p_size) const = 0;
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virtual int get_spacing_space() const { return spacing_space; };
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virtual void set_spacing_space(int p_value) {
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spacing_space = p_value;
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clear_cache();
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};
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virtual int get_spacing_glyph() const { return spacing_glyph; };
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virtual void set_spacing_glyph(int p_value) {
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spacing_glyph = p_value;
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clear_cache();
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};
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virtual void set_antialiased(bool p_antialiased) = 0;
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virtual bool get_antialiased() const = 0;
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virtual void set_hinting(TextServer::Hinting p_hinting) = 0;
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virtual TextServer::Hinting get_hinting() const = 0;
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virtual void set_distance_field_hint(bool p_distance_field) = 0;
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virtual bool get_distance_field_hint() const = 0;
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virtual void set_force_autohinter(bool p_enabeld) = 0;
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virtual bool get_force_autohinter() const = 0;
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virtual bool has_outline() const = 0;
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virtual float get_base_size() const = 0;
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virtual bool has_char(char32_t p_char) const = 0;
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virtual String get_supported_chars() const = 0;
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virtual Vector2 get_advance(char32_t p_char, int p_size) const = 0;
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virtual Vector2 get_kerning(char32_t p_char, char32_t p_next, int p_size) const = 0;
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virtual Vector2 draw_glyph(RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const = 0;
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virtual Vector2 draw_glyph_outline(RID p_canvas, int p_size, int p_outline_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const = 0;
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virtual bool get_glyph_contours(int p_size, uint32_t p_index, Vector<Vector3> &r_points, Vector<int32_t> &r_contours, bool &r_orientation) const { return false; };
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virtual ~FontDataFallback(){};
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};
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#endif // FONT_FALLBACK_H
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