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Diffstat (limited to 'modules/text_server_adv/font_adv.h')
| -rw-r--r-- | modules/text_server_adv/font_adv.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/modules/text_server_adv/font_adv.h b/modules/text_server_adv/font_adv.h new file mode 100644 index 0000000000..4fadefc569 --- /dev/null +++ b/modules/text_server_adv/font_adv.h @@ -0,0 +1,115 @@ +/*************************************************************************/ +/* font_adv.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef FONT_ADV_H +#define FONT_ADV_H + +#include "servers/text_server.h" + +#include <hb.h> + +struct FontDataAdvanced { + Map<String, bool> lang_support_overrides; + Map<String, bool> script_support_overrides; + bool valid = false; + int spacing_space = 0; + int spacing_glyph = 0; + + virtual void clear_cache() = 0; + + virtual Error load_from_file(const String &p_filename, int p_base_size) { return ERR_CANT_CREATE; }; + virtual Error load_from_memory(const uint8_t *p_data, size_t p_size, int p_base_size) { return ERR_CANT_CREATE; }; + virtual Error bitmap_new(float p_height, float p_ascent, int p_base_size) { return ERR_CANT_CREATE; }; + + virtual void bitmap_add_texture(const Ref<Texture> &p_texture) { ERR_FAIL_MSG("Not supported."); }; + 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."); }; + virtual void bitmap_add_kerning_pair(char32_t p_A, char32_t p_B, int p_kerning) { ERR_FAIL_MSG("Not supported."); }; + + virtual float get_height(int p_size) const = 0; + virtual float get_ascent(int p_size) const = 0; + virtual float get_descent(int p_size) const = 0; + + virtual Dictionary get_feature_list() const { return Dictionary(); }; + virtual Dictionary get_variation_list() const { return Dictionary(); }; + + virtual void set_variation(const String &p_name, double p_value){}; + virtual double get_variation(const String &p_name) const { return 0; }; + + virtual float get_underline_position(int p_size) const = 0; + virtual float get_underline_thickness(int p_size) const = 0; + + virtual int get_spacing_space() const { return spacing_space; }; + virtual void set_spacing_space(int p_value) { + spacing_space = p_value; + clear_cache(); + }; + + virtual int get_spacing_glyph() const { return spacing_glyph; }; + virtual void set_spacing_glyph(int p_value) { + spacing_glyph = p_value; + clear_cache(); + }; + + virtual void set_antialiased(bool p_antialiased) = 0; + virtual bool get_antialiased() const = 0; + + virtual void set_hinting(TextServer::Hinting p_hinting) = 0; + virtual TextServer::Hinting get_hinting() const = 0; + + virtual void set_distance_field_hint(bool p_distance_field) = 0; + virtual bool get_distance_field_hint() const = 0; + + virtual void set_force_autohinter(bool p_enabeld) = 0; + virtual bool get_force_autohinter() const = 0; + + virtual bool has_outline() const = 0; + virtual float get_base_size() const = 0; + + virtual bool is_lang_supported(const String &p_lang) const { return true; }; + virtual bool is_script_supported(uint32_t p_script) const { return true; }; + + virtual bool has_char(char32_t p_char) const = 0; + virtual String get_supported_chars() const = 0; + virtual float get_font_scale(int p_size) const { return 1.0f; }; + + virtual hb_font_t *get_hb_handle(int p_size) = 0; + virtual uint32_t get_glyph_index(char32_t p_char, char32_t p_variation_selector) const = 0; + virtual Vector2 get_advance(uint32_t p_char, int p_size) const = 0; + virtual Vector2 get_kerning(uint32_t p_char, uint32_t p_next, int p_size) const = 0; + + virtual Vector2 draw_glyph(RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const = 0; + 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; + + 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; }; + + virtual ~FontDataAdvanced(){}; +}; + +#endif // FONT_ADV_H |