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Objective-c Apply Blending mode to an image
- (UIImage *)createDimImage:(UIImage *)image; {
CGSize size = image.size;
CGRect bounds = CGRectMake(0, 0,size.width, size.height);
UIImage * dimImage;
UIGraphicsBeginImageContextWithOptions(size, NO, 0.0f);
[msColorNeutralLight setFill];
UIRectFill(bounds);
[image drawInRect:bounds blendMode:kCGBlendModeMultiply alpha:1.0f];
dimImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return dimImage;
}
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