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editingView

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ios - CGAffineTransform 旋转并根据 slider 值调整大小

我正在使用Slider来Resize和Rotate-对于旋转-CGAffineTransformtransform=editingView.transform;transform=CGAffineTransformMakeRotation(sliderVal*2*M_PI/30);editingView.transform=transform;对于调整大小-CGAffineTransformt=CGAffineTransformMakeScale(sliderVal/30,sliderVal/30);CGPointcenter=editingView.center;[UIViewani