Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

69 lines
2.0 KiB
Plaintext

//
// ASTextRunDelegate.mm
// Texture
//
// Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASTextRunDelegate.h>
static void DeallocCallback(void *ref) {
ASTextRunDelegate *self = (__bridge_transfer ASTextRunDelegate *)(ref);
self = nil; // release
}
static CGFloat GetAscentCallback(void *ref) {
ASTextRunDelegate *self = (__bridge ASTextRunDelegate *)(ref);
return self.ascent;
}
static CGFloat GetDecentCallback(void *ref) {
ASTextRunDelegate *self = (__bridge ASTextRunDelegate *)(ref);
return self.descent;
}
static CGFloat GetWidthCallback(void *ref) {
ASTextRunDelegate *self = (__bridge ASTextRunDelegate *)(ref);
return self.width;
}
@implementation ASTextRunDelegate
- (CTRunDelegateRef)CTRunDelegate CF_RETURNS_RETAINED {
CTRunDelegateCallbacks callbacks;
callbacks.version = kCTRunDelegateCurrentVersion;
callbacks.dealloc = DeallocCallback;
callbacks.getAscent = GetAscentCallback;
callbacks.getDescent = GetDecentCallback;
callbacks.getWidth = GetWidthCallback;
return CTRunDelegateCreate(&callbacks, (__bridge_retained void *)(self.copy));
}
- (void)encodeWithCoder:(NSCoder *)aCoder {
[aCoder encodeObject:@(_ascent) forKey:@"ascent"];
[aCoder encodeObject:@(_descent) forKey:@"descent"];
[aCoder encodeObject:@(_width) forKey:@"width"];
[aCoder encodeObject:_userInfo forKey:@"userInfo"];
}
- (id)initWithCoder:(NSCoder *)aDecoder {
self = [super init];
_ascent = ((NSNumber *)[aDecoder decodeObjectForKey:@"ascent"]).floatValue;
_descent = ((NSNumber *)[aDecoder decodeObjectForKey:@"descent"]).floatValue;
_width = ((NSNumber *)[aDecoder decodeObjectForKey:@"width"]).floatValue;
_userInfo = [aDecoder decodeObjectForKey:@"userInfo"];
return self;
}
- (id)copyWithZone:(NSZone *)zone {
__typeof__(self) one = [self.class new];
one.ascent = self.ascent;
one.descent = self.descent;
one.width = self.width;
one.userInfo = self.userInfo;
return one;
}
@end