mirrors
/
SDWebImage
mirror of https://github.com/SDWebImage/SDWebImage.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
SDWebImage/SDImageCache.m
View File

@ -29,6 +29,10 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
return NO; return NO;
} }
FOUNDATION_STATIC_INLINE NSUInteger SDCacheCostForImage(UIImage *image) {
return image.size.height * image.size.width * image.scale * image.scale;
}
@interface SDImageCache () @interface SDImageCache ()
@property (strong, nonatomic) NSCache *memCache; @property (strong, nonatomic) NSCache *memCache;
@ -152,7 +156,8 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
return; 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) { if (toDisk) {
dispatch_async(self.ioQueue, ^{ dispatch_async(self.ioQueue, ^{
@ -239,7 +244,7 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
// Second check the disk cache... // Second check the disk cache...
UIImage *diskImage = [self diskImageForKey:key]; UIImage *diskImage = [self diskImageForKey:key];
if (diskImage) { 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]; [self.memCache setObject:diskImage forKey:key cost:cost];
} }
@ -309,7 +314,7 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
@autoreleasepool { @autoreleasepool {
UIImage *diskImage = [self diskImageForKey:key]; UIImage *diskImage = [self diskImageForKey:key];
if (diskImage) { 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]; [self.memCache setObject:diskImage forKey:key cost:cost];
} }