UIImage Compress - (UIImage *)compressedImage; - (CGFloat)compressionQuality; - (NSData *)compressedData; - (NSData *)compressedData:(CGFloat)compressionQuality; - (UIImage *)compressedToSize:(CGSize)size; - (UIImage *)compressedImageBySize; - (UIImage*)imageCompressWithSimple:(UIImage*)image scale:(float)scale; - (UIImage *)image:(UIImage *)image fitInsize:(CGSize)viewsize;