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

To and modify the "Downloaded image has 0 pixels" error exits bug download a file of the png format

This commit is contained in:
山崎友弘 2016-03-15 18:07:57 +09:00
parent 469d8bbfd8
commit 32ca18b523
1 changed files with 17 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
SDWebImage/SDWebImageDecoder.m
View File

@ -33,9 +33,6 @@
if (anyAlpha) { return image; }
size_t width = CGImageGetWidth(imageRef);
size_t height = CGImageGetHeight(imageRef);
// current
CGColorSpaceModel imageColorSpaceModel = CGColorSpaceGetModel(CGImageGetColorSpace(imageRef));
CGColorSpaceRef colorspaceRef = CGImageGetColorSpace(imageRef);
@ -44,10 +41,17 @@
if (unsupportedColorSpace)
colorspaceRef = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate(NULL, width,
size_t width = CGImageGetWidth(imageRef);
size_t height = CGImageGetHeight(imageRef);
NSUInteger bytesPerPixel = 4;
NSUInteger bytesPerRow = bytesPerPixel * width;
NSUInteger bitsPerComponent = 8;
CGContextRef context = CGBitmapContextCreate(NULL,
width,
height,
CGImageGetBitsPerComponent(imageRef),
0,
bitsPerComponent,
bytesPerRow,
colorspaceRef,
kCGBitmapByteOrderDefault | kCGImageAlphaPremultipliedFirst);