jyliang

#define DEGREES_RADIANS(angle) ((angle) / 180.0 * M_PI)

- (UIImage*) UIImageCrop:(UIImage *)img withRect:(CGRect)rect {
    CGAffineTransform rectTransform;
    switch (img.imageOrientation)
    {
        case UIImageOrientationLeft:
            rectTransform = CGAffineTransformTranslate(CGAffineTransformMakeRotation(DEGREES_RADIANS(90)), 0, -img.size.height);
            break;
        case UIImageOrientationRight: