mirror of https://github.com/axmolengine/axmol.git
103 lines
2.1 KiB
C++
103 lines
2.1 KiB
C++
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//
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// CCFontFNT.cpp
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// cocos2d_libs
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//
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// Created by Carlo Morgantini on 7/24/13.
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//
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//
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#include "CCFontFNT.h"
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NS_CC_BEGIN
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FontFNT::~FontFNT()
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{
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if (_configuration)
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_configuration->release();
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}
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Size * FontFNT::getAdvancesForTextUTF16(unsigned short *pText, int &outNumLetters)
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{
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if (!pText)
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return 0;
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outNumLetters = cc_wcslen(pText);
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if (!outNumLetters)
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return 0;
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Size *pSizes = new Size[outNumLetters];
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if (!pSizes)
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return 0;
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for (int c = 0; c<outNumLetters; ++c)
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{
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int advance = 0;
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int kerning = 0;
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advance = getAdvanceForChar(pText[c]);
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if ( c < (outNumLetters-1) )
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kerning = getHorizontalKerningForChars(pText[c], pText[c+1]);
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pSizes[c].width = (advance + kerning);
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}
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return pSizes;
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}
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int FontFNT::getAdvanceForChar(unsigned short theChar)
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{
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tFontDefHashElement *element = NULL;
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// unichar is a short, and an int is needed on HASH_FIND_INT
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unsigned int key = theChar;
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HASH_FIND_INT(_configuration->_fontDefDictionary, &key, element);
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if (! element)
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return -1;
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return element->fontDef.xAdvance;
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}
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int FontFNT::getHorizontalKerningForChars(unsigned short firstChar, unsigned short secondChar)
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{
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int ret = 0;
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unsigned int key = (firstChar<<16) | (secondChar & 0xffff);
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if( _configuration->_kerningDictionary )
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{
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tKerningHashElement *element = NULL;
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HASH_FIND_INT(_configuration->_kerningDictionary, &key, element);
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if(element)
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ret = element->amount;
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}
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return ret;
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}
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Rect FontFNT::getRectForCharInternal(unsigned short theChar)
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{
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Rect retRect;
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ccBMFontDef fontDef;
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tFontDefHashElement *element = NULL;
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unsigned int key = theChar;
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HASH_FIND_INT(_configuration->_fontDefDictionary, &key, element);
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if (element)
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{
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retRect = element->fontDef.rect;
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}
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return retRect;
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}
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Rect FontFNT::getRectForChar(unsigned short theChar)
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{
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return getRectForCharInternal(theChar);
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}
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NS_CC_END
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