Created
July 31, 2012 21:38
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// CTTest.c | |
#include <ApplicationServices/ApplicationServices.h> | |
CFDictionaryRef findFeatureByName(CFArrayRef features, const char *name) | |
{ | |
CFDictionaryRef feature = NULL; | |
CFStringRef featureName = CFStringCreateWithCString(NULL, name, kCFStringEncodingUTF8); | |
CFIndex i; | |
for (i = 0; i < CFArrayGetCount(features); i++) { | |
CFDictionaryRef f = CFArrayGetValueAtIndex(features, i); | |
CFStringRef typeName = CFDictionaryGetValue(f, kCTFontFeatureTypeNameKey); | |
if (typeName && !CFStringCompare(featureName, typeName, kCFCompareCaseInsensitive)) { | |
feature = f; | |
break; | |
} | |
} | |
CFRelease(featureName); | |
return feature; | |
} | |
SInt32 findSelectorByName(CFDictionaryRef feature, const char *name) | |
{ | |
SInt32 selector = -1; | |
CFStringRef selectorName = CFStringCreateWithCString(NULL, name, kCFStringEncodingUTF8); | |
CFArrayRef selectors = CFDictionaryGetValue(feature, kCTFontFeatureTypeSelectorsKey); | |
if (selectors) { | |
CFIndex i; | |
for (i = 0; i < CFArrayGetCount(selectors); i++) { | |
CFDictionaryRef s = CFArrayGetValueAtIndex(selectors, i); | |
CFStringRef sName = CFDictionaryGetValue(s, kCTFontFeatureSelectorNameKey); | |
if (sName && !CFStringCompare(selectorName, sName, kCFCompareCaseInsensitive)) { | |
CFNumberRef sIdentifier = CFDictionaryGetValue(s, kCTFontFeatureSelectorIdentifierKey); | |
if (sIdentifier) { | |
CFNumberGetValue(sIdentifier, kCFNumberSInt32Type, &selector); | |
break; | |
} | |
} | |
} | |
} | |
CFRelease(selectorName); | |
return selector; | |
} | |
int main(int argc, char *argv[]) | |
{ | |
if (argc < 2) | |
return -1; | |
CFStringRef name = CFStringCreateWithCString(NULL, argv[1], kCFStringEncodingUTF8); | |
CTFontRef font = CTFontCreateWithName(name, 12, 0); | |
CFRelease(name); | |
CFArrayRef features = CTFontCopyFeatures(font); | |
if (features) { | |
// print out all features if no additional argument is given | |
if (argc < 3) { | |
CFIndex i; | |
for (i = 0; i < CFArrayGetCount(features); i++) | |
CFShow(CFArrayGetValueAtIndex(features, i)); | |
} else { | |
CFDictionaryRef feature = findFeatureByName(features, argv[2]); | |
if (feature) { | |
if (argc < 4) | |
CFShow(feature); | |
else { | |
SInt32 selector = findSelectorByName(feature, argv[3]); | |
printf("%s: %d\n", argv[3], selector); | |
} | |
} | |
} | |
CFRelease(features); | |
} | |
return 0; | |
} |
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