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[Refactor] Implement cache cost calculation as a inline function

This commit is contained in:
Syo Ikeda 2015-03-18 12:27:23 +09:00
parent d41bfaf8c8
commit 021607a845
1 changed files with 8 additions and 3 deletions
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11
SDWebImage/SDImageCache.m
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@ -29,6 +29,10 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
return NO;
}
FOUNDATION_STATIC_INLINE NSUInteger SDCacheCostForImage(UIImage *image) {
return image.size.height * image.size.width * image.scale * image.scale;
}
@interface SDImageCache ()
@property (strong, nonatomic) NSCache *memCache;
@ -152,7 +156,8 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
return;
}
[self.memCache setObject:image forKey:key cost:image.size.height * image.size.width * image.scale * image.scale];
NSUInteger cost = SDCacheCostForImage(image);
[self.memCache setObject:image forKey:key cost:cost];
if (toDisk) {
dispatch_async(self.ioQueue, ^{
@ -239,7 +244,7 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
// Second check the disk cache...
UIImage *diskImage = [self diskImageForKey:key];
if (diskImage) {
CGFloat cost = diskImage.size.height * diskImage.size.width * diskImage.scale * diskImage.scale;
NSUInteger cost = SDCacheCostForImage(diskImage);
[self.memCache setObject:diskImage forKey:key cost:cost];
}
@ -309,7 +314,7 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
@autoreleasepool {
UIImage *diskImage = [self diskImageForKey:key];
if (diskImage) {
CGFloat cost = diskImage.size.height * diskImage.size.width * diskImage.scale * diskImage.scale;
NSUInteger cost = SDCacheCostForImage(diskImage);
[self.memCache setObject:diskImage forKey:key cost:cost];
}