layer.shouldRasterize = YES にしたときにRetinaディスプレイで画像がぼやけてしまうときなど。
// Retina対応のラスタライズ
// layer = CALayer
[layer setRasterizationScale:[[UIScreen mainScreen] scale]];
[layer setShouldRasterize:YES];
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Retina DisplayでのCALayerのラスタライズ(setRasterizationScale:)
Last updated at Posted at 2012-04-27
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