axmol/cocos/2d/CCFontAtlas.h

147 lines
4.4 KiB
C
Raw Normal View History

2013-07-20 01:33:26 +08:00
/****************************************************************************
Copyright (c) 2013 Zynga Inc.
2015-03-24 14:12:58 +08:00
Copyright (c) 2013-2015 Chukong Technologies Inc.
2013-07-20 01:33:26 +08:00
http://www.cocos2d-x.org
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.
****************************************************************************/
2015-03-24 20:23:51 +08:00
2013-07-20 01:33:26 +08:00
#ifndef _CCFontAtlas_h_
#define _CCFontAtlas_h_
2015-03-24 20:23:51 +08:00
/// @cond DO_NOT_SHOW
#include <string>
#include <unordered_map>
2013-07-20 01:33:26 +08:00
#include "platform/CCPlatformMacros.h"
2014-09-10 07:50:02 +08:00
#include "base/CCRef.h"
#include "platform/CCStdC.h" // ssize_t on windows
2013-07-20 01:33:26 +08:00
NS_CC_BEGIN
2013-08-07 05:37:19 +08:00
class Font;
class Texture2D;
class EventCustom;
class EventListenerCustom;
class FontFreeType;
2013-08-07 05:37:19 +08:00
2013-07-20 01:33:26 +08:00
struct FontLetterDefinition
{
unsigned short letteCharUTF16;
float U;
float V;
float width;
float height;
float offsetX;
float offsetY;
int textureID;
bool validDefinition;
int xAdvance;
int clipBottom;
2013-07-20 01:33:26 +08:00
};
class CC_DLL FontAtlas : public Ref
2013-07-20 01:33:26 +08:00
{
public:
static const int CacheTextureWidth;
static const int CacheTextureHeight;
static const char* CMD_PURGE_FONTATLAS;
static const char* CMD_RESET_FONTATLAS;
/**
* @js ctor
*/
2013-08-06 08:49:20 +08:00
FontAtlas(Font &theFont);
/**
* @js NA
* @lua NA
*/
virtual ~FontAtlas();
2013-08-06 08:49:20 +08:00
void addLetterDefinition(const FontLetterDefinition &letterDefinition);
bool getLetterDefinitionForChar(char16_t letteCharUTF16, FontLetterDefinition &outDefinition);
bool prepareLetterDefinitions(const std::u16string& utf16String);
2014-03-20 11:58:36 +08:00
inline const std::unordered_map<ssize_t, Texture2D*>& getTextures() const{ return _atlasTextures;}
void addTexture(Texture2D *texture, int slot);
float getCommonLineHeight() const { return _commonLineHeight; }
void setCommonLineHeight(float newHeight);
2013-08-06 07:35:15 +08:00
Texture2D* getTexture(int slot);
const Font* getFont() const { return _font; }
/** listen the event that renderer was recreated on Android/WP8
It only has effect on Android and WP8.
*/
void listenRendererRecreated(EventCustom *event);
2013-07-20 01:33:26 +08:00
/** Removes textures atlas.
It will purge the textures atlas and if multiple texture exist in the FontAtlas.
*/
void purgeTexturesAtlas();
/** sets font texture parameters:
- GL_TEXTURE_MIN_FILTER = GL_LINEAR
- GL_TEXTURE_MAG_FILTER = GL_LINEAR
*/
void setAntiAliasTexParameters();
/** sets font texture parameters:
- GL_TEXTURE_MIN_FILTER = GL_NEAREST
- GL_TEXTURE_MAG_FILTER = GL_NEAREST
*/
void setAliasTexParameters();
2014-11-15 05:07:34 +08:00
protected:
void relaseTextures();
void findNewCharacters(const std::u16string& u16SrcString, std::unordered_map<unsigned short, unsigned short>& newCharsMap);
void conversionU16TOGB2312(const std::u16string& newChars, std::unordered_map<unsigned short, unsigned short>& newCharsMap);
2014-03-20 11:58:36 +08:00
std::unordered_map<ssize_t, Texture2D*> _atlasTextures;
std::unordered_map<unsigned short, FontLetterDefinition> _fontLetterDefinitions;
float _commonLineHeight;
Font * _font;
FontFreeType* _fontFreeType;
2013-07-20 01:33:26 +08:00
// Dynamic GlyphCollection related stuff
int _currentPage;
unsigned char *_currentPageData;
int _currentPageDataSize;
float _currentPageOrigX;
float _currentPageOrigY;
float _letterPadding;
int _fontAscender;
EventListenerCustom* _rendererRecreatedListener;
bool _antialiasEnabled;
void* _iconv;
2013-07-20 01:33:26 +08:00
};
NS_CC_END
2015-03-24 20:23:51 +08:00
/// @endcond
2013-07-20 01:33:26 +08:00
#endif /* defined(__cocos2d_libs__CCFontAtlas__) */