114 lines
2.9 KiB
Objective-C
114 lines
2.9 KiB
Objective-C
// 11 may 2017
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#import "uipriv_darwin.h"
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#import "attrstr.h"
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struct addCTFeatureEntryParams {
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CFMutableArrayRef array;
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const void *tagKey;
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BOOL tagIsNumber;
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CFNumberType tagType;
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const void *tagValue;
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const void *valueKey;
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CFNumberType valueType;
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const void *valueValue;
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};
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static void addCTFeatureEntry(struct addCTFeatureEntryParams *p)
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{
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CFDictionaryRef featureDict;
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CFNumberRef tagNum, valueNum;
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const void *keys[2], *values[2];
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keys[0] = p->tagKey;
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tagNum = NULL;
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values[0] = p->tagValue;
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if (p->tagIsNumber) {
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tagNum = CFNumberCreate(NULL, p->tagType, p->tagValue);
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values[0] = tagNum;
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}
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keys[1] = p->valueKey;
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valueNum = CFNumberCreate(NULL, p->valueType, p->valueValue);
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values[1] = valueNum;
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featureDict = CFDictionaryCreate(NULL,
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keys, values, 2,
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// TODO are these correct?
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&kCFCopyStringDictionaryKeyCallBacks,
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&kCFTypeDictionaryValueCallBacks);
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if (featureDict == NULL) {
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// TODO
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}
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CFArrayAppendValue(p->array, featureDict);
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CFRelease(featureDict);
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CFRelease(valueNum);
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if (p->tagIsNumber)
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CFRelease(tagNum);
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}
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static uiForEach otfArrayForEachAAT(const uiOpenTypeFeatures *otf, char a, char b, char c, char d, uint32_t value, void *data)
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{
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__block struct addCTFeatureEntryParams p;
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p.array = (CFMutableArrayRef) data;
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p.tagIsNumber = YES;
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uiprivOpenTypeToAAT(a, b, c, d, value, ^(uint16_t type, uint16_t selector) {
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p.tagKey = kCTFontFeatureTypeIdentifierKey;
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p.tagType = kCFNumberSInt16Type;
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p.tagValue = (const SInt16 *) (&type);
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p.valueKey = kCTFontFeatureSelectorIdentifierKey;
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p.valueType = kCFNumberSInt16Type;
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p.valueValue = (const SInt16 *) (&selector);
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addCTFeatureEntry(&p);
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});
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return uiForEachContinue;
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}
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// TODO find out which fonts differ in AAT small caps and test them with this
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static uiForEach otfArrayForEachOT(const uiOpenTypeFeatures *otf, char a, char b, char c, char d, uint32_t value, void *data)
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{
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struct addCTFeatureEntryParams p;
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char tagcstr[5];
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CFStringRef tagstr;
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p.array = (CFMutableArrayRef) data;
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p.tagKey = *FUTURE_kCTFontOpenTypeFeatureTag;
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p.tagIsNumber = NO;
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tagcstr[0] = a;
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tagcstr[1] = b;
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tagcstr[2] = c;
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tagcstr[3] = d;
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tagcstr[4] = '\0';
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tagstr = CFStringCreateWithCString(NULL, tagcstr, kCFStringEncodingUTF8);
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if (tagstr == NULL) {
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// TODO
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}
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p.tagValue = tagstr;
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p.valueKey = *FUTURE_kCTFontOpenTypeFeatureValue;
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p.valueType = kCFNumberSInt32Type;
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p.valueValue = (const SInt32 *) (&value);
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addCTFeatureEntry(&p);
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CFRelease(tagstr);
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return uiForEachContinue;
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}
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CFArrayRef uiprivOpenTypeFeaturesToCTFeatures(const uiOpenTypeFeatures *otf)
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{
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CFMutableArrayRef array;
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uiOpenTypeFeaturesForEachFunc f;
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array = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
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if (array == NULL) {
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// TODO
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}
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f = otfArrayForEachAAT;
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if (FUTURE_kCTFontOpenTypeFeatureTag != NULL && FUTURE_kCTFontOpenTypeFeatureValue != NULL)
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f = otfArrayForEachOT;
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uiOpenTypeFeaturesForEach(otf, f, array);
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return array;
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}
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