2013-07-20 01:33:26 +08:00
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/****************************************************************************
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Copyright (c) 2013 Zynga Inc.
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2015-03-24 14:12:58 +08:00
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Copyright (c) 2013-2015 Chukong Technologies Inc.
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2013-07-20 01:33:26 +08:00
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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2015-03-24 20:23:51 +08:00
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2013-07-20 01:33:26 +08:00
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#ifndef _CCFontAtlas_h_
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#define _CCFontAtlas_h_
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2015-03-24 20:23:51 +08:00
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/// @cond DO_NOT_SHOW
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2014-05-08 11:12:59 +08:00
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#include <string>
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#include <unordered_map>
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2013-07-20 01:33:26 +08:00
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2014-09-10 08:17:07 +08:00
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#include "platform/CCPlatformMacros.h"
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2014-09-10 07:50:02 +08:00
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#include "base/CCRef.h"
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#include "platform/CCStdC.h" // ssize_t on windows
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2013-07-20 01:33:26 +08:00
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NS_CC_BEGIN
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2013-08-07 05:37:19 +08:00
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class Font;
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2014-01-17 13:35:58 +08:00
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class Texture2D;
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2014-03-14 14:59:26 +08:00
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class EventCustom;
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class EventListenerCustom;
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2015-07-16 17:10:05 +08:00
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class FontFreeType;
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2013-08-07 05:37:19 +08:00
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2013-07-20 01:33:26 +08:00
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struct FontLetterDefinition
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{
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unsigned short letteCharUTF16;
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2013-11-07 09:05:13 +08:00
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float U;
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float V;
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float width;
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float height;
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float offsetX;
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float offsetY;
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int textureID;
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bool validDefinition;
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2014-01-21 17:55:49 +08:00
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int xAdvance;
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2014-03-24 14:16:27 +08:00
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int clipBottom;
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2013-07-20 01:33:26 +08:00
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};
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2014-02-20 10:53:49 +08:00
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class CC_DLL FontAtlas : public Ref
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2013-07-20 01:33:26 +08:00
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{
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public:
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2014-03-05 15:54:40 +08:00
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static const int CacheTextureWidth;
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static const int CacheTextureHeight;
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2015-01-21 21:58:18 +08:00
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static const char* CMD_PURGE_FONTATLAS;
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static const char* CMD_RESET_FONTATLAS;
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2013-09-13 16:46:31 +08:00
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/**
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* @js ctor
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*/
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2013-08-06 08:49:20 +08:00
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FontAtlas(Font &theFont);
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2013-09-13 13:52:42 +08:00
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/**
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* @js NA
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* @lua NA
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*/
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2013-07-25 01:22:46 +08:00
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virtual ~FontAtlas();
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2013-08-06 08:49:20 +08:00
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void addLetterDefinition(const FontLetterDefinition &letterDefinition);
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bool getLetterDefinitionForChar(char16_t letteCharUTF16, FontLetterDefinition &outDefinition);
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2013-07-25 01:22:46 +08:00
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2014-05-08 11:12:59 +08:00
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bool prepareLetterDefinitions(const std::u16string& utf16String);
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2013-10-29 20:25:03 +08:00
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2014-03-20 11:58:36 +08:00
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inline const std::unordered_map<ssize_t, Texture2D*>& getTextures() const{ return _atlasTextures;}
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2014-03-05 16:51:16 +08:00
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void addTexture(Texture2D *texture, int slot);
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2015-07-16 17:10:05 +08:00
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float getCommonLineHeight() const { return _commonLineHeight; }
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2013-07-25 01:22:46 +08:00
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void setCommonLineHeight(float newHeight);
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2013-08-06 07:35:15 +08:00
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2014-03-05 16:51:16 +08:00
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Texture2D* getTexture(int slot);
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const Font* getFont() const { return _font; }
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2014-03-14 14:59:26 +08:00
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2014-07-09 23:03:04 +08:00
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/** listen the event that renderer was recreated on Android/WP8
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It only has effect on Android and WP8.
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2014-03-14 14:59:26 +08:00
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*/
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2014-07-09 23:03:04 +08:00
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void listenRendererRecreated(EventCustom *event);
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2013-07-20 01:33:26 +08:00
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2014-03-14 14:59:26 +08:00
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/** Removes textures atlas.
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It will purge the textures atlas and if multiple texture exist in the FontAtlas.
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*/
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void purgeTexturesAtlas();
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2014-03-27 15:35:51 +08:00
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/** sets font texture parameters:
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- GL_TEXTURE_MIN_FILTER = GL_LINEAR
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- GL_TEXTURE_MAG_FILTER = GL_LINEAR
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*/
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void setAntiAliasTexParameters();
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/** sets font texture parameters:
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- GL_TEXTURE_MIN_FILTER = GL_NEAREST
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- GL_TEXTURE_MAG_FILTER = GL_NEAREST
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*/
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void setAliasTexParameters();
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2014-11-15 05:07:34 +08:00
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protected:
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void relaseTextures();
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2015-07-16 17:10:05 +08:00
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void findNewCharacters(const std::u16string& u16SrcString, std::unordered_map<unsigned short, unsigned short>& newCharsMap);
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void conversionU16TOGB2312(const std::u16string& newChars, std::unordered_map<unsigned short, unsigned short>& newCharsMap);
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2014-03-20 11:58:36 +08:00
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std::unordered_map<ssize_t, Texture2D*> _atlasTextures;
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2013-11-07 09:05:13 +08:00
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std::unordered_map<unsigned short, FontLetterDefinition> _fontLetterDefinitions;
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float _commonLineHeight;
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Font * _font;
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2015-07-16 17:10:05 +08:00
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FontFreeType* _fontFreeType;
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2013-07-20 01:33:26 +08:00
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2013-10-29 20:25:03 +08:00
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// Dynamic GlyphCollection related stuff
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2013-11-07 09:05:13 +08:00
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int _currentPage;
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unsigned char *_currentPageData;
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int _currentPageDataSize;
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float _currentPageOrigX;
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float _currentPageOrigY;
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float _letterPadding;
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2014-03-07 11:42:13 +08:00
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int _fontAscender;
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2014-07-09 23:03:04 +08:00
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EventListenerCustom* _rendererRecreatedListener;
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2014-03-27 15:35:51 +08:00
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bool _antialiasEnabled;
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2015-07-16 17:10:05 +08:00
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void* _iconv;
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2013-07-20 01:33:26 +08:00
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};
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NS_CC_END
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2015-03-24 20:23:51 +08:00
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/// @endcond
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2013-07-20 01:33:26 +08:00
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#endif /* defined(__cocos2d_libs__CCFontAtlas__) */
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