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

Fix CGBitmapContextCreate bitmap memory leak issue 

Pass NULL to CGBitmapContextCreate whenever the data param is not used later to reduce memory leak issue
This commit is contained in:
DreamPiggy 2017-08-01 01:34:21 +08:00
parent 49772b3bc9
commit 5e367af7b5
1 changed files with 1 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
SDWebImage/SDWebImageDecoder.m
View File

@ -115,16 +115,10 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
size_t bytesPerRow = kBytesPerPixel * destResolution.width;
// Allocate enough pixel data to hold the output image.
void* destBitmapData = malloc( bytesPerRow * destResolution.height );
if (destBitmapData == NULL) {
return image;
}
// kCGImageAlphaNone is not supported in CGBitmapContextCreate.
// Since the original image here has no alpha info, use kCGImageAlphaNoneSkipLast
// to create bitmap graphics contexts without alpha info.
destContext = CGBitmapContextCreate(destBitmapData,
destContext = CGBitmapContextCreate(NULL,
destResolution.width,
destResolution.height,
kBitsPerComponent,
@ -133,7 +127,6 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
kCGBitmapByteOrderDefault|kCGImageAlphaNoneSkipLast);
if (destContext == NULL) {
free(destBitmapData);
return image;
}
CGContextSetInterpolationQuality(destContext, kCGInterpolationHigh);