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Filled in darwin/opentype.m.

This commit is contained in:
Pietro Gagliardi 2017-05-19 14:12:04 -04:00
parent 39cec570d9
commit 72f5b680f2
2 changed files with 53 additions and 6 deletions
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1
darwin/CMakeLists.txt
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@ -31,6 +31,7 @@ list(APPEND _LIBUI_SOURCES
darwin/map.m
darwin/menu.m
darwin/multilineentry.m
darwin/opentype.m
darwin/progressbar.m
darwin/radiobuttons.m
darwin/scrollview.m

58
darwin/opentype.m
View File

@ -1,8 +1,8 @@
// 11 may 2017
#include "uipriv_windows.hpp"
#import "uipriv_darwin.h"
struct uiOpenTypeFeatures {
xxxx;
NSMutableDictionary *tags;
};
uiOpenTypeFeatures *uiNewOpenTypeFeatures(void)
@ -10,13 +10,13 @@ uiOpenTypeFeatures *uiNewOpenTypeFeatures(void)
uiOpenTypeFeatures *otf;
otf = uiNew(uiOpenTypeFeatures);
xxxx;
otf->tags = [NSMutableDictionary new];
return otf;
}
void uiFreeOpenTypeFeatures(uiOpenTypeFeatures *otf)
{
xxxxxx;
[otf->tags release];
uiFree(otf);
}
@ -25,28 +25,74 @@ uiOpenTypeFeatures *uiOpenTypeFeaturesClone(uiOpenTypeFeatures *otf)
uiOpenTypeFeatures *out;
out = uiNew(uiOpenTypeFeatures);
xxxxxx;
out->tags = [otf->tags mutableCopy];
return out;
}
// TODO provide to aat.m too; remove x8tox32() when doing so
#define x8to32(x) ((uint32_t) (((uint8_t) (x)) & 0xFF))
#define mkTag(a, b, c, d) \
((x8tox32(a) << 24) | \
(x8tox32(b) << 16) | \
(x8tox32(c) << 8) | \
x8tox32(d))
// why are there no NSNumber methods for stdint.h or the equivalent core foundation types?...
#define mkMapObject(tag) [NSNumber numberWithUnsignedLongLong:((unsigned long long) tag)]
#define mapObjectValue(num) ((uint32_t) [num unsignedLongLongValue])
void uiOpenTypeFeaturesAdd(uiOpenTypeFeatures *otf, char a, char b, char c, char d, uint32_t value)
{
NSNumber *tn, *vn;
tn = mkMapObject(mkTag(a, b, c, d));
vn = mkMapObject(value);
[otf->tags setObject:vn forKey:tn];
}
void uiOpenTypeFeaturesRemove(uiOpenTypeFeatures *otf, char a, char b, char c, char d)
{
NSNumber *tn;
tn = mkMapObject(mkTag(a, b, c, d));
[otf->tags removeObjectForKey:tn];
}
int uiOpenTypeFeaturesGet(uiOpenTypeFeatures *otf, char a, char b, char c, char d, uint32_t *value)
{
NSNumber *tn, *vn;
tn = mkMapObject(mkTag(a, b, c, d));
vn = (NSNumber *) [otf->tags objectForKey:tn];
if (vn == nil)
return 0;
*value = mapObjectValue(vn);
// TODO release vn?
return 1;
}
void uiOpenTypeFeaturesForEach(uiOpenTypeFeatures *otf, uiOpenTypeFeaturesForEachFunc f, void *data)
{
[otf->tags enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop) {
NSNumber *tn = (NSNumber *) key;
NSNumber *vn = (NSNumber *) value;
uint32_t tag;
uint8_t a, b, c, d;
tag = mapObjectValue(tn);
a = (uint8_t) ((tag >> 24) & 0xFF);
b = (uint8_t) ((tag >> 16) & 0xFF);
c = (uint8_t) ((tag >> 8) & 0xFF);
d = (uint8_t) (tag & 0xFF);
// TODO handle return value
(*f)((char) a, (char) b, (char) c, (char) d,
mapObjectValue(vn), data);
}];
}
int uiOpenTypeFeaturesEqual(uiOpenTypeFeatures *a, uiOpenTypeFeatures *b)
{
return [a->tags isEqualToDictionary:b->tags];
}
// TODO put the internal function to produce a backend object from one here
// actual conversion to a feature dictionary is handled in aat.m; see there for details