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And finally used OpenType features directly on supported OS X versions.

This commit is contained in:
Pietro Gagliardi 2017-06-01 10:57:34 -04:00
parent 8cacd0ba03
commit 96d06121c8
1 changed files with 48 additions and 2 deletions
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50
darwin/opentype.m
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@ -90,7 +90,7 @@ int uiOpenTypeFeaturesEqual(const uiOpenTypeFeatures *a, const uiOpenTypeFeature
// TODO explain all this
// TODO rename outerArray and innerDict (the names made sense when this was part of fontdescAppendFeatures(), but not here)
// TODO make all this use enumerateKeysAndObjects (which requires duplicating code)?
static int otfArrayForEach(char a, char b, char c, char d, uint32_t value, void *data)
static int otfArrayForEachAAT(char a, char b, char c, char d, uint32_t value, void *data)
{
CFMutableArrayRef outerArray = (CFMutableArrayRef) data;
@ -125,14 +125,60 @@ static int otfArrayForEach(char a, char b, char c, char d, uint32_t value, void
return 0;
}
// TODO find out which fonts differ in AAT small caps and test them with this
static int otfArrayForEachOT(char a, char b, char c, char d, uint32_t value, void *data)
{
CFMutableArrayRef outerArray = (CFMutableArrayRef) data;
CFDictionaryRef innerDict;
// TODO rename this to tagstr (and all the other variables likewise...)
CFStringRef strTag;
CFNumberRef numValue;
char tagcstr[5];
const void *keys[2], *values[2];
tagcstr[0] = a;
tagcstr[1] = b;
tagcstr[2] = c;
tagcstr[3] = d;
tagcstr[4] = '\0';
keys[0] = *FUTURE_kCTFontOpenTypeFeatureTag;
keys[1] = *FUTURE_kCTFontOpenTypeFeatureValue;
strTag = CFStringCreateWithCString(NULL, tagcstr, kCFStringEncodingUTF8);
if (strTag == NULL) {
// TODO
}
numValue = CFNumberCreate(NULL, kCFNumberSInt32Type,
(const SInt32 *) (&value));
values[0] = strTag;
values[1] = numValue;
innerDict = CFDictionaryCreate(NULL,
keys, values, 2,
// TODO are these correct?
&kCFCopyStringDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
if (innerDict == NULL) {
// TODO
}
CFArrayAppendValue(outerArray, innerDict);
CFRelease(innerDict);
CFRelease(numValue);
CFRelease(strTag);
// TODO
return 0;
}
CFArrayRef otfToFeaturesArray(const uiOpenTypeFeatures *otf)
{
CFMutableArrayRef outerArray;
uiOpenTypeFeaturesForEachFunc f;
outerArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
if (outerArray == NULL) {
// TODO
}
uiOpenTypeFeaturesForEach(otf, otfArrayForEach, outerArray);
f = otfArrayForEachAAT;
if (FUTURE_kCTFontOpenTypeFeatureTag != NULL && FUTURE_kCTFontOpenTypeFeatureValue != NULL)
f = otfArrayForEachOT;
uiOpenTypeFeaturesForEach(otf, f, outerArray);
return outerArray;
}