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Diffstat (limited to 'modules/text_server_fb/bitmap_font_fb.h')
| -rw-r--r-- | modules/text_server_fb/bitmap_font_fb.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/modules/text_server_fb/bitmap_font_fb.h b/modules/text_server_fb/bitmap_font_fb.h new file mode 100644 index 0000000000..73e6d8f791 --- /dev/null +++ b/modules/text_server_fb/bitmap_font_fb.h @@ -0,0 +1,107 @@ +/*************************************************************************/ +/* bitmap_font_fb.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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 BITMAP_FONT_FALLBACK_H +#define BITMAP_FONT_FALLBACK_H + +#include "font_fb.h" + +struct BitmapFontDataFallback : public FontDataFallback { + _THREAD_SAFE_CLASS_ + +private: + Vector<Ref<Texture2D>> textures; + + struct Character { + int texture_idx = 0; + Rect2 rect; + Vector2 align; + Vector2 advance = Vector2(-1, -1); + }; + + struct KerningPairKey { + union { + struct { + uint32_t A, B; + }; + + uint64_t pair = 0; + }; + + _FORCE_INLINE_ bool operator<(const KerningPairKey &p_r) const { return pair < p_r.pair; } + }; + + HashMap<char32_t, Character> char_map; + Map<KerningPairKey, int> kerning_map; + + float height = 0.f; + float ascent = 0.f; + int base_size = 0; + bool distance_field_hint = false; + +public: + virtual void clear_cache() override{}; + + virtual Error load_from_file(const String &p_filename, int p_base_size) override; + virtual Error load_from_memory(const uint8_t *p_data, size_t p_size, int p_base_size) override; + + virtual float get_height(int p_size) const override; + virtual float get_ascent(int p_size) const override; + virtual float get_descent(int p_size) const override; + + virtual float get_underline_position(int p_size) const override; + virtual float get_underline_thickness(int p_size) const override; + + virtual void set_antialiased(bool p_antialiased) override{}; + virtual bool get_antialiased() const override { return false; }; + + virtual void set_hinting(TextServer::Hinting p_hinting) override{}; + virtual TextServer::Hinting get_hinting() const override { return TextServer::HINTING_NONE; }; + + virtual void set_distance_field_hint(bool p_distance_field) override; + virtual bool get_distance_field_hint() const override; + + virtual void set_force_autohinter(bool p_enabeld) override{}; + virtual bool get_force_autohinter() const override { return false; }; + + virtual bool has_outline() const override { return false; }; + virtual float get_base_size() const override; + + virtual bool has_char(char32_t p_char) const override; + virtual String get_supported_chars() const override; + + virtual Vector2 get_advance(char32_t p_char, int p_size) const override; + virtual Vector2 get_kerning(char32_t p_char, char32_t p_next, int p_size) const override; + + virtual Vector2 draw_glyph(RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const override; + 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 override; +}; + +#endif // BITMAP_FONT_FALLBACK_H |