Use this Code
CIImage *ciImage = self.imageView.image.CIImage;
instead of
CIImage *beginImage =
[CIImage imageWithContentsOfURL:self.imageView.image];
문제
I have an imageview in my app and I have loaded image from phone photo library. Now I want to apply effect on this image but the code that I have written is giving me error.My code is as follows.Any help will be appreciated.
CIImage *beginImage =
[CIImage imageWithContentsOfURL:self.imageView.image];
// 1
CIContext *context = [CIContext contextWithOptions:nil];
CIFilter *filter = [CIFilter filterWithName:@"CISepiaTone"
keysAndValues: kCIInputImageKey, beginImage,
@"inputIntensity", @0.8, nil];
CIImage *outputImage = [filter outputImage];
// 2
CGImageRef cgimg =
[context createCGImage:outputImage fromRect:[outputImage extent]];
// 3
UIImage *newImage = [UIImage imageWithCGImage:cgimg];
self.imageView.image = newImage;
// 4
CGImageRelease(cgimg);
해결책
Use this Code
CIImage *ciImage = self.imageView.image.CIImage;
instead of
CIImage *beginImage =
[CIImage imageWithContentsOfURL:self.imageView.image];
다른 팁
Try to initailize the your CIImage object like this
CIImage *ciImage = self.imageView.image.CIImage;