//
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// YYTextRunDelegate.m
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// YYText <https://github.com/ibireme/YYText>
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//
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// Created by ibireme on 14/10/14.
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// Copyright (c) 2015 ibireme.
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//
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// This source code is licensed under the MIT-style license found in the
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// LICENSE file in the root directory of this source tree.
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//
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#import "YYTextRunDelegate.h"
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static void DeallocCallback(void *ref) {
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YYTextRunDelegate *self = (__bridge_transfer YYTextRunDelegate *)(ref);
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self = nil; // release
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}
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static CGFloat GetAscentCallback(void *ref) {
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YYTextRunDelegate *self = (__bridge YYTextRunDelegate *)(ref);
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return self.ascent;
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}
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static CGFloat GetDecentCallback(void *ref) {
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YYTextRunDelegate *self = (__bridge YYTextRunDelegate *)(ref);
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return self.descent;
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}
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static CGFloat GetWidthCallback(void *ref) {
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YYTextRunDelegate *self = (__bridge YYTextRunDelegate *)(ref);
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return self.width;
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}
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@implementation YYTextRunDelegate
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- (CTRunDelegateRef)CTRunDelegate CF_RETURNS_RETAINED {
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CTRunDelegateCallbacks callbacks;
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callbacks.version = kCTRunDelegateCurrentVersion;
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callbacks.dealloc = DeallocCallback;
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callbacks.getAscent = GetAscentCallback;
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callbacks.getDescent = GetDecentCallback;
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callbacks.getWidth = GetWidthCallback;
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return CTRunDelegateCreate(&callbacks, (__bridge_retained void *)(self.copy));
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}
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- (void)encodeWithCoder:(NSCoder *)aCoder {
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[aCoder encodeObject:@(_ascent) forKey:@"ascent"];
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[aCoder encodeObject:@(_descent) forKey:@"descent"];
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[aCoder encodeObject:@(_width) forKey:@"width"];
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[aCoder encodeObject:_userInfo forKey:@"userInfo"];
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}
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- (id)initWithCoder:(NSCoder *)aDecoder {
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self = [super init];
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_ascent = ((NSNumber *)[aDecoder decodeObjectForKey:@"ascent"]).floatValue;
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_descent = ((NSNumber *)[aDecoder decodeObjectForKey:@"descent"]).floatValue;
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_width = ((NSNumber *)[aDecoder decodeObjectForKey:@"width"]).floatValue;
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_userInfo = [aDecoder decodeObjectForKey:@"userInfo"];
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return self;
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}
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- (id)copyWithZone:(NSZone *)zone {
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typeof(self) one = [self.class new];
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one.ascent = self.ascent;
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one.descent = self.descent;
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one.width = self.width;
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one.userInfo = self.userInfo;
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return one;
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}
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@end
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