Use iOS 4 method

danielctull · Jul 7, 2012 · 4275d97 · 4275d97
1 parent b3fd1a2
commit 4275d97
Showing 1 changed file with 8 additions and 19 deletions.
diff --git a/DCTImageSizing/DCTImageSizing.m b/DCTImageSizing/DCTImageSizing.m
@@ -12,27 +12,16 @@
 @implementation UIImage (DCTImageSizing)
 
 - (UIImage *)dct_imageWithSize:(CGSize)size contentMode:(UIViewContentMode)contentMode {
-
-	CGImageRef imageRef = self.CGImage;
-
-	CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
-	CGContextRef context = CGBitmapContextCreate(NULL, size.width, size.height, 8, 0, colorSpace, kCGImageAlphaNoneSkipLast);
-
-	CGRect rect = CGRectMake(0.0f, 0.0f, size.width, size.height);
-	CGContextSetFillColor(context, CGColorGetComponents([UIColor whiteColor].CGColor));
-	CGContextFillRect(context, rect);
 
 	CGRect imageRect = [DCTContentSizer rectForOriginalSize:self.size desiredSize:size contentMode:contentMode];
-	CGContextDrawImage(context, imageRect, imageRef);
+	UIGraphicsBeginImageContextWithOptions(size, NO, 0.0);
-
+	CGImageRef sourceImg = CGImageCreateWithImageInRect([self CGImage], imageRect);
-	CGImageRef scaledImageRef = CGBitmapContextCreateImage(context);
+	[self drawInRect:imageRect];
-	UIImage *scaledImage = [UIImage imageWithCGImage:scaledImageRef];
+	CGImageRelease(sourceImg);
-
+	UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
-	CGColorSpaceRelease(colorSpace);
+	UIGraphicsEndImageContext();
-	CGContextRelease(context);
+
-	CGImageRelease(scaledImageRef);
+	return image;
-
-	return scaledImage;
 }
 
 @end