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Diffstat (limited to 'scene/resources/font.h')
| -rw-r--r-- | scene/resources/font.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/scene/resources/font.h b/scene/resources/font.h new file mode 100644 index 000000000..a64ec1ef7 --- /dev/null +++ b/scene/resources/font.h @@ -0,0 +1,156 @@ +/*************************************************************************/ +/* font.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 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 ); + 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; + + 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; + +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; + + _FORCE_INLINE_ Size2 get_char_size(CharType p_char,CharType p_next=0) const; + Size2 get_string_size(const String& p_string) const; + + void clear(); + + 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; + 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; + + Font(); + ~Font(); +}; + + +Size2 Font::get_char_size(CharType p_char,CharType p_next) const { + + const Character * c = char_map.getptr(p_char); + + if (!c) + return Size2(); + + Size2 ret(c->advance,c->rect.size.y); + + if (p_next) { + + KerningPairKey kpk; + kpk.A=p_char; + kpk.B=p_next; + + const Map<KerningPairKey,int>::Element *E=kerning_map.find(kpk); + if (E) { + + ret.width-=E->get(); + } + } + + return ret; +} + + + +#endif |