mirror of https://github.com/axmolengine/axmol.git
264 lines
7.2 KiB
C++
264 lines
7.2 KiB
C++
/****************************************************************************
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Copyright (c) 2013 Zynga Inc.
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Copyright (c) 2013-2014 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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#include <sstream>
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#include "CCFontAtlasCache.h"
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#include "CCFontFNT.h"
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#include "CCFontFreeType.h"
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#include "CCFontCharMap.h"
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#include "CCDirector.h"
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NS_CC_BEGIN
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std::unordered_map<std::string, FontAtlas *> FontAtlasCache::_atlasMap;
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void FontAtlasCache::purgeCachedData()
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{
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for (auto & atlas:_atlasMap)
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{
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atlas.second->purgeTexturesAtlas();
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}
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}
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FontAtlas * FontAtlasCache::getFontAtlasTTF(const TTFConfig & config)
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{
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bool useDistanceField = config.distanceFieldEnabled;
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if(config.outlineSize > 0)
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{
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useDistanceField = false;
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}
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int fontSize = config.fontSize;
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auto contentScaleFactor = CC_CONTENT_SCALE_FACTOR();
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if (useDistanceField)
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{
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fontSize = Label::DistanceFieldFontSize / contentScaleFactor;
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}
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auto atlasName = generateFontName(config.fontFilePath, fontSize, GlyphCollection::DYNAMIC, useDistanceField);
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atlasName.append("_outline_");
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std::stringstream ss;
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ss << config.outlineSize;
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atlasName.append(ss.str());
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auto it = _atlasMap.find(atlasName);
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if ( it == _atlasMap.end() )
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{
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auto font = FontFreeType::create(config.fontFilePath, fontSize * contentScaleFactor, config.glyphs,
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config.customGlyphs,useDistanceField,config.outlineSize * contentScaleFactor);
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if (font)
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{
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auto tempAtlas = font->createFontAtlas();
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if (tempAtlas)
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{
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_atlasMap[atlasName] = tempAtlas;
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return _atlasMap[atlasName];
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}
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}
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}
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else
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{
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_atlasMap[atlasName]->retain();
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return _atlasMap[atlasName];
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}
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return nullptr;
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}
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FontAtlas * FontAtlasCache::getFontAtlasFNT(const std::string& fontFileName, const Vector2& imageOffset /* = Vector2::ZERO */)
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{
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std::string atlasName = generateFontName(fontFileName, 0, GlyphCollection::CUSTOM,false);
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auto it = _atlasMap.find(atlasName);
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if ( it == _atlasMap.end() )
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{
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auto font = FontFNT::create(fontFileName,imageOffset);
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if(font)
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{
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auto tempAtlas = font->createFontAtlas();
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if (tempAtlas)
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{
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_atlasMap[atlasName] = tempAtlas;
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return _atlasMap[atlasName];
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}
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}
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}
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else
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{
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_atlasMap[atlasName]->retain();
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return _atlasMap[atlasName];
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}
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return nullptr;
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}
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FontAtlas * FontAtlasCache::getFontAtlasCharMap(const std::string& plistFile)
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{
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std::string atlasName = generateFontName(plistFile, 0, GlyphCollection::CUSTOM,false);
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auto it = _atlasMap.find(atlasName);
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if ( it == _atlasMap.end() )
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{
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auto font = FontCharMap::create(plistFile);
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if(font)
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{
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auto tempAtlas = font->createFontAtlas();
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if (tempAtlas)
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{
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_atlasMap[atlasName] = tempAtlas;
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return _atlasMap[atlasName];
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}
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}
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}
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else
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{
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_atlasMap[atlasName]->retain();
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return _atlasMap[atlasName];
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}
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return nullptr;
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}
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FontAtlas * FontAtlasCache::getFontAtlasCharMap(Texture2D* texture, int itemWidth, int itemHeight, int startCharMap)
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{
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char tmp[30];
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sprintf(tmp,"name:%u_%d_%d_%d",texture->getName(),itemWidth,itemHeight,startCharMap);
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std::string atlasName = generateFontName(tmp, 0, GlyphCollection::CUSTOM,false);
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auto it = _atlasMap.find(atlasName);
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if ( it == _atlasMap.end() )
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{
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auto font = FontCharMap::create(texture,itemWidth,itemHeight,startCharMap);
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if(font)
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{
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auto tempAtlas = font->createFontAtlas();
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if (tempAtlas)
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{
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_atlasMap[atlasName] = tempAtlas;
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return _atlasMap[atlasName];
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}
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}
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}
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else
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{
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_atlasMap[atlasName]->retain();
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return _atlasMap[atlasName];
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}
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return nullptr;
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}
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FontAtlas * FontAtlasCache::getFontAtlasCharMap(const std::string& charMapFile, int itemWidth, int itemHeight, int startCharMap)
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{
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std::string atlasName = generateFontName(charMapFile, 0, GlyphCollection::CUSTOM,false);
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auto it = _atlasMap.find(atlasName);
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if ( it == _atlasMap.end() )
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{
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auto font = FontCharMap::create(charMapFile,itemWidth,itemHeight,startCharMap);
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if(font)
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{
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auto tempAtlas = font->createFontAtlas();
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if (tempAtlas)
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{
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_atlasMap[atlasName] = tempAtlas;
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return _atlasMap[atlasName];
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}
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}
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}
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else
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{
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_atlasMap[atlasName]->retain();
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return _atlasMap[atlasName];
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}
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return nullptr;
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}
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std::string FontAtlasCache::generateFontName(const std::string& fontFileName, int size, GlyphCollection theGlyphs, bool useDistanceField)
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{
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std::string tempName(fontFileName);
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switch (theGlyphs)
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{
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case GlyphCollection::DYNAMIC:
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tempName.append("_DYNAMIC_");
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break;
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case GlyphCollection::NEHE:
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tempName.append("_NEHE_");
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break;
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case GlyphCollection::ASCII:
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tempName.append("_ASCII_");
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break;
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case GlyphCollection::CUSTOM:
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tempName.append("_CUSTOM_");
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break;
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default:
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break;
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}
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if(useDistanceField)
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tempName.append("df");
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// std::to_string is not supported on android, using std::stringstream instead.
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std::stringstream ss;
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ss << size;
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return tempName.append(ss.str());
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}
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bool FontAtlasCache::releaseFontAtlas(FontAtlas *atlas)
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{
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if (nullptr != atlas)
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{
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for( auto &item: _atlasMap )
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{
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if ( item.second == atlas )
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{
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if (atlas->getReferenceCount() == 1)
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{
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_atlasMap.erase(item.first);
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}
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atlas->release();
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return true;
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}
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}
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}
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return false;
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}
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NS_CC_END
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