xcode iPhone SDK 4.0 动画块 - 移动缩放 UIImage
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iPhone SDK 4.0 Animation Blocks - Move Scale UIImage
提问by Mason
myImageView:
myImageView：
[UIView animateWithDuration:1.5 delay:0.0 options:UIViewAnimationOptionCurveLinear
animations:^{
}
completion:^(BOOL finished) {
}
];
How can I animate myImageView(position/scale) using animation blocks?
如何myImageView使用动画块制作动画（位置/比例）？
回答by Mason
You need to use CGAffineTransformations, like this:
您需要使用 CGAffineTransformations，如下所示：
[UIView animateWithDuration:1.5 delay:0.0 options:UIViewAnimationOptionCurveLinear
animations:^{
CGAffineTransform scale = CGAffineTransformMakeScale(2.0, 2.0);
CGAffineTransform translate = CGAffineTransformMakeTranslation(10.0, 10.0);
self.myImageView.transform = CGAffineTransformConcat(scale, translate);
}
completion:^(BOOL finished) {
}
];
Here I make transforms for scaleand transform, and then use CGAffineTransformConcatto combine them.
在这里，我对scale和进行了转换transform，然后使用CGAffineTransformConcat它们来组合它们。
Docs are here
文档在这里
HTH
HTH
