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Merge pull request #2150 from Weeds/feature-linux-fontcache 

[Linux] add cache for font family -> font path mapping
This commit is contained in:
minggo 2013-03-17 19:15:04 -07:00
parent 14f2599bf8 a1602a992b
commit c404e03d26
1 changed files with 10 additions and 0 deletions
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10
cocos2dx/platform/linux/CCImage.cpp
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@ -20,6 +20,9 @@
using namespace std; using namespace std;
// as FcFontMatch is quite an expensive call, cache the results of getFontFile
static std::map<std::string, std::string> fontCache;
struct LineBreakGlyph { struct LineBreakGlyph {
FT_UInt glyphIndex; FT_UInt glyphIndex;
int paintPosition; int paintPosition;
@ -269,6 +272,11 @@ public:
std::string getFontFile(const char* family_name) { std::string getFontFile(const char* family_name) {
std::string fontPath = family_name; std::string fontPath = family_name;
std::map<std::string, std::string>::iterator it = fontCache.find(family_name);
if ( it != fontCache.end() ) {
return it->second;
}
// check if the parameter is a font file shipped with the application // check if the parameter is a font file shipped with the application
std::string lowerCasePath = fontPath; std::string lowerCasePath = fontPath;
std::transform(lowerCasePath.begin(), lowerCasePath.end(), lowerCasePath.begin(), ::tolower); std::transform(lowerCasePath.begin(), lowerCasePath.end(), lowerCasePath.begin(), ::tolower);
@ -278,6 +286,7 @@ public:
FILE *f = fopen(fontPath.c_str(), "r"); FILE *f = fopen(fontPath.c_str(), "r");
if ( f ) { if ( f ) {
fclose(f); fclose(f);
fontCache.insert(std::pair<std::string, std::string>(family_name, fontPath));
return fontPath; return fontPath;
} }
} }
@ -297,6 +306,7 @@ public:
FcPatternDestroy(font); FcPatternDestroy(font);
FcPatternDestroy(pattern); FcPatternDestroy(pattern);
fontCache.insert(std::pair<std::string, std::string>(family_name, fontPath));
return fontPath; return fontPath;
} }
FcPatternDestroy(font); FcPatternDestroy(font);