2013-08-27 38 views
3

我有一個由兩個UIImageView組成的UIView。它們是同心圓形狀。當我規模這個觀點下是這樣的:當縮小ios - 視圖縮小時像素化

CABasicAnimation *resizeAnimation = [CABasicAnimation animationWithKeyPath:@"transform.scale"]; 
    resizeAnimation.fromValue = [NSNumber numberWithDouble:1.0]; 
    resizeAnimation.toValue = [NSNumber numberWithDouble:0.25]; 
    resizeAnimation.fillMode = kCAFillModeForwards; 
    resizeAnimation.removedOnCompletion = NO; 

圖像的邊緣變得粗糙和像素化。有什麼我可以做,以防止這種情況,或至少將其最小化?

回答

0

嘗試將圖像視圖的圖層縮小濾鏡設置爲kCAFilterNearest或kCAFilterTrilinear