/*************************************************************************/ /* font.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */ /* */ /* 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_H #define FONT_H #include "resource.h" #include "scene/resources/texture.h" #include "map.h" /** @author Juan Linietsky <reduzio@gmail.com> */ class Font : public Resource { OBJ_TYPE( Font, Resource ); protected: static void _bind_methods(); public: virtual float get_height() const=0; virtual float get_ascent() const=0; virtual float get_descent() const=0; virtual Size2 get_char_size(CharType p_char,CharType p_next=0) const=0; Size2 get_string_size(const String& p_string) const; virtual bool is_distance_field_hint() const=0; void draw(RID p_canvas_item, const Point2& p_pos, const String& p_text,const Color& p_modulate=Color(1,1,1),int p_clip_w=-1) const; void draw_halign(RID p_canvas_item, const Point2& p_pos, HAlign p_align,float p_width,const String& p_text,const Color& p_modulate=Color(1,1,1)) const; virtual float draw_char(RID p_canvas_item, const Point2& p_pos, const CharType& p_char,const CharType& p_next=0,const Color& p_modulate=Color(1,1,1)) const=0; Font(); }; class BitmapFont : public Font { OBJ_TYPE( BitmapFont, Font ); RES_BASE_EXTENSION("fnt"); Vector< Ref<Texture> > textures; public: struct Character { int texture_idx; Rect2 rect; float v_align; float h_align; float advance; Character() { texture_idx=0; v_align=0; } }; struct KerningPairKey { union { struct { uint32_t A,B; }; uint64_t pair; }; _FORCE_INLINE_ bool operator<(const KerningPairKey& p_r) const { return pair<p_r.pair; } }; private: HashMap< CharType, Character > char_map; Map<KerningPairKey,int> kerning_map; float height; float ascent; bool distance_field_hint; void _set_chars(const DVector<int>& p_chars); DVector<int> _get_chars() const; void _set_kernings(const DVector<int>& p_kernings); DVector<int> _get_kernings() const; void _set_textures(const Vector<Variant> & p_textures); Vector<Variant> _get_textures() const; Ref<BitmapFont> fallback; protected: static void _bind_methods(); public: Error create_from_fnt(const String& p_file); void set_height(float p_height); float get_height() const; void set_ascent(float p_ascent); float get_ascent() const; float get_descent() const; void add_texture(const Ref<Texture>& p_texture); void add_char(CharType p_char, int p_texture_idx, const Rect2& p_rect, const Size2& p_align, float p_advance=-1); int get_character_count() const; Vector<CharType> get_char_keys() const; Character get_character(CharType p_char) const; int get_texture_count() const; Ref<Texture> get_texture(int p_idx) const; void add_kerning_pair(CharType p_A,CharType p_B,int p_kerning); int get_kerning_pair(CharType p_A,CharType p_B) const; Vector<KerningPairKey> get_kerning_pair_keys() const; Size2 get_char_size(CharType p_char,CharType p_next=0) const; void set_fallback(const Ref<BitmapFont> &p_fallback); Ref<BitmapFont> get_fallback() const; void clear(); void set_distance_field_hint(bool p_distance_field); bool is_distance_field_hint() const; float draw_char(RID p_canvas_item, const Point2& p_pos, const CharType& p_char,const CharType& p_next=0,const Color& p_modulate=Color(1,1,1)) const; BitmapFont(); ~BitmapFont(); }; #endif