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sundeepgupta/Resizing UIImage using a CGBitmapContext

Last active August 29, 2015 14:13
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Resizing UIImage using a CGBitmapContext
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Resizing UIImage using a CGBitmapContext
CGImageRef imageRef = image.CGImage;
CGSize size = CGSizeMake(110, 110); //From storyboard.
CGRect frame = CGRectMake(0, 0, size.width, size.height);
CGContextRef context = CGBitmapContextCreate(nil, size.width, size.height, CGImageGetBitsPerComponent(imageRef), CGImageGetBytesPerRow(imageRef), CGImageGetColorSpace(imageRef), CGImageGetBitmapInfo(imageRef));
CGContextSetInterpolationQuality(context, kCGInterpolationHigh);
CGContextDrawImage(context, frame, imageRef);
CGImageRef scaledImageRef = CGBitmapContextCreateImage(context);
UIImage *scaledImage = [UIImage imageWithCGImage:scaledImageRef];
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