Make UIImage White Background Transparent in iOS

If you came across to a requirement where you want to make UIImage Background Transparent then use below method to achieve it.

1. +(UIImage *)changeWhiteColorTransparent: (UIImage *)image{
2. CGImageRef rawImageRef=image.CGImage;
4. const CGFloat colorMasking[6] = {222, 255, 222, 255, 222, 255};

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