//加载gif
02
03 NSString *filePath = [[NSBundle mainBundle]pathForResource:@"bai3" ofType:@"gif"];
04
05 NSData *data = [NSData dataWithContentsOfFile:filePath];
06
07 CGImageSourceRef gif = CGImageSourceCreateWithData((CFDataRef)data, nil);
08
09 //获取gif的各种属性
10
11 CFDictionaryRef gifprops =(CGImageSourceCopyPropertiesAtIndex(gif,0,NULL));
12
13 NSLog(@"_______%@",gifprops);
14
15
16 NSInteger count =CGImageSourceGetCount(gif);
17
18 NSLog(@"________%d",count);
19
20
21 CFDictionaryRef gifDic = CFDictionaryGetValue(gifprops, kCGImagePropertyGIFDictionary);
22
23 CFDictionaryRef delay = CFDictionaryGetValue(gifDic, kCGImagePropertyGIFDelayTime);
24
25 NSLog(@"_______%@",delay);
26
27
28 //[gifDic objectForKey:(NSString *)kCGImagePropertyGIFDelayTime];
29
30 // NSNumber * w = CFDictionaryGetValue(gifprops, @"PixelWidth");
31
32 // NSNumber * h =CFDictionaryGetValue(gifprops, @"PixelHeight");
33
34 // float totalDuration = delay.doubleValue * count;
35
36 // float pixelWidth = w.intValue;
37
38 // float pixelHeight = h.intValue;
39
40 //将gif解析成UIImage类型对象，并加进images数组中
41
42
43 NSMutableArray *images = [NSMutableArray arrayWithCapacity:count];
44
45 for(int index=0;index<count;index++)
46
47 {
48
49 CGImageRef ref = CGImageSourceCreateImageAtIndex(gif, index, nil);
50
51 UIImage *img = [UIImage imageWithCGImage:ref];
52
53 [images addObject:img];
54
55 CFRelease(ref);
56
57 }
58
59 CFRelease(gifprops);
60
61 CFRelease(gif);
