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我想建立一個按鈕,每次按旋轉圖像90°。我想這樣做,但它不工作按鈕旋轉GPUImage
(IBAction)Rotate:(id)sender {
staticPictureOriginalOrientation=UIImageOrientationLeft;
[self.imageView setInputRotation:staticPictureOriginalOrientation atIndex:0];
[staticPicture addTarget:filter];
[staticPicture processImage];
}
我所得到的是這樣的
輕按按鈕+ 90°旋轉圖像和processImage來