118eed485e
All usages of "type" to refer to classes were renamed to "class" ClassDB has been exposed to GDScript. OBJ_TYPE() macro is now GDCLASS()
170 lines
5.2 KiB
C++
170 lines
5.2 KiB
C++
/*************************************************************************/
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/* font.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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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_H
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#define FONT_H
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#include "resource.h"
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#include "scene/resources/texture.h"
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#include "map.h"
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class Font : public Resource {
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GDCLASS( Font, Resource );
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protected:
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static void _bind_methods();
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public:
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virtual float get_height() const=0;
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virtual float get_ascent() const=0;
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virtual float get_descent() const=0;
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virtual Size2 get_char_size(CharType p_char,CharType p_next=0) const=0;
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Size2 get_string_size(const String& p_string) const;
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virtual bool is_distance_field_hint() const=0;
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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;
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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;
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virtual float draw_char(RID p_canvas_item, const Point2& p_pos, CharType p_char, CharType p_next=0,const Color& p_modulate=Color(1,1,1)) const=0;
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void update_changes();
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Font();
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};
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class BitmapFont : public Font {
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GDCLASS( BitmapFont, Font );
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RES_BASE_EXTENSION("fnt");
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Vector< Ref<Texture> > textures;
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public:
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struct Character {
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int texture_idx;
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Rect2 rect;
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float v_align;
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float h_align;
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float advance;
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Character() { texture_idx=0; v_align=0; }
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};
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struct KerningPairKey {
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union {
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struct {
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uint32_t A,B;
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};
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uint64_t pair;
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};
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_FORCE_INLINE_ bool operator<(const KerningPairKey& p_r) const { return pair<p_r.pair; }
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};
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private:
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HashMap< CharType, Character > char_map;
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Map<KerningPairKey,int> kerning_map;
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float height;
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float ascent;
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bool distance_field_hint;
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void _set_chars(const DVector<int>& p_chars);
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DVector<int> _get_chars() const;
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void _set_kernings(const DVector<int>& p_kernings);
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DVector<int> _get_kernings() const;
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void _set_textures(const Vector<Variant> & p_textures);
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Vector<Variant> _get_textures() const;
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Ref<BitmapFont> fallback;
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protected:
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static void _bind_methods();
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public:
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Error create_from_fnt(const String& p_file);
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void set_height(float p_height);
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float get_height() const;
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void set_ascent(float p_ascent);
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float get_ascent() const;
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float get_descent() const;
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void add_texture(const Ref<Texture>& p_texture);
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void add_char(CharType p_char, int p_texture_idx, const Rect2& p_rect, const Size2& p_align, float p_advance=-1);
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int get_character_count() const;
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Vector<CharType> get_char_keys() const;
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Character get_character(CharType p_char) const;
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int get_texture_count() const;
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Ref<Texture> get_texture(int p_idx) const;
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void add_kerning_pair(CharType p_A,CharType p_B,int p_kerning);
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int get_kerning_pair(CharType p_A,CharType p_B) const;
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Vector<KerningPairKey> get_kerning_pair_keys() const;
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Size2 get_char_size(CharType p_char,CharType p_next=0) const;
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void set_fallback(const Ref<BitmapFont> &p_fallback);
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Ref<BitmapFont> get_fallback() const;
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void clear();
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void set_distance_field_hint(bool p_distance_field);
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bool is_distance_field_hint() const;
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float draw_char(RID p_canvas_item, const Point2& p_pos, CharType p_char,CharType p_next=0,const Color& p_modulate=Color(1,1,1)) const;
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BitmapFont();
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~BitmapFont();
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};
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#endif
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