是否可以将CATransition动画作为UIImage获得？ [英] Is it possible to get a CATransition animation as UIImage?

问题描述

是否可以将CATransition动画作为UIImage获得？我举个例子：

is it possible, to get a CATransition animation as UIImage? I make a example:

CATransition *animation = [CATransition animation];
        [animation setDelegate:self];
        [animation setDuration:0.35];
        [animation setTimingFunction:UIViewAnimationCurveEaseInOut];
            animation.type = @"pageCurl";
            animation.fillMode = kCAFillModeForwards;
            animation.endProgress = 0.65;
        [animation setRemovedOnCompletion:NO];
        [self.view.layer addAnimation:animation forKey:@"pageCurlAnimation"];

我正在使用动画。看起来像这样：
http://img269.imageshack.us/img269 /8577/bildschirmfoto20100331u.png

That is the animation, Im using. It looks like this: http://img269.imageshack.us/img269/8577/bildschirmfoto20100331u.png

如何捕捉这种卷曲效果？问题是我必须从self.view.layer中删除动画，但是以后需要放大图片。是否可以将动画（帧）作为图片？
我不想捕获整个UIView，仅捕获动画。

How can I capture this curl up - effect? The problem is that I have to remove the animation from self.view.layer, but I need the curl-up picture later. Is it possible to get the animation(frame) as picture? I dont want to capture the whole UIView, only the animation.

推荐答案

您可以在预定的时间使用UIGetScreenImage（）动画正在运行。这将使您获得具有动画效果的屏幕截图作为图像。
信息，位于 http://www.tuaw.com/2009/12/15/apple-relents-and-is-now-allowing-uigetscreenimage-for-app-st/

You can use UIGetScreenImage() scheduled when the animation is being run. This would get you a screen capture as an image which would have the animation effect. Info at http://www.tuaw.com/2009/12/15/apple-relents-and-is-now-allowing-uigetscreenimage-for-app-st/

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