mirror of https://github.com/axmolengine/axmol.git
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/****************************************************************************
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Copyright (c) 2013 Zynga Inc.
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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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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#ifndef _FontFreetype_h_
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#define _FontFreetype_h_
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/// @cond DO_NOT_SHOW
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#include "2d/CCFont.h"
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#include <string>
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#include <ft2build.h>
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#if (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
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#define generic GenericFromFreeTypeLibrary
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#define internal InternalFromFreeTypeLibrary
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#endif
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#include FT_FREETYPE_H
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#include FT_STROKER_H
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#if (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
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#undef generic
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#undef internal
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#endif
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NS_CC_BEGIN
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class CC_DLL FontFreeType : public Font
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{
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public:
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static const int DistanceMapSpread;
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static FontFreeType* create(const std::string &fontName, float fontSize, GlyphCollection glyphs,
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const char *customGlyphs,bool distanceFieldEnabled = false, float outline = 0);
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static void shutdownFreeType();
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bool isDistanceFieldEnabled() const { return _distanceFieldEnabled;}
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float getOutlineSize() const { return _outlineSize; }
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void renderCharAt(unsigned char *dest,int posX, int posY, unsigned char* bitmap,long bitmapWidth,long bitmapHeight);
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FT_Encoding getEncoding() const { return _encoding; }
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int* getHorizontalKerningForTextUTF32(const std::u32string& text, int &outNumLetters) const override;
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unsigned char* getGlyphBitmap(uint64_t theChar, long &outWidth, long &outHeight, Rect &outRect,int &xAdvance);
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int getFontAscender() const;
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const char* getFontFamily() const;
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virtual FontAtlas* createFontAtlas() override;
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virtual int getFontMaxHeight() const override { return _lineHeight; }
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static void releaseFont(const std::string &fontName);
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private:
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static const char* _glyphASCII;
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static const char* _glyphNEHE;
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static FT_Library _FTlibrary;
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static bool _FTInitialized;
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FontFreeType(bool distanceFieldEnabled = false, float outline = 0);
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virtual ~FontFreeType();
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bool createFontObject(const std::string &fontName, float fontSize);
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bool initFreeType();
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FT_Library getFTLibrary();
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int getHorizontalKerningForChars(uint64_t firstChar, uint64_t secondChar) const;
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unsigned char* getGlyphBitmapWithOutline(uint64_t code, FT_BBox &bbox);
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void setGlyphCollection(GlyphCollection glyphs, const char* customGlyphs = nullptr);
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const char* getGlyphCollection() const;
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FT_Face _fontRef;
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FT_Stroker _stroker;
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FT_Encoding _encoding;
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std::string _fontName;
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bool _distanceFieldEnabled;
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float _outlineSize;
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int _lineHeight;
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FontAtlas* _fontAtlas;
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GlyphCollection _usedGlyphs;
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std::string _customGlyphs;
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};
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/// @endcond
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NS_CC_END
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#endif
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