flip | 易学教程

What is the API to “create applications like Flip3D”

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问题 I am trying to figure out how to use DWM to render a copy of a Window into my own desired location. The only thing I can find to tell DWM to render somewhere is with the thumbnail APIs. But MSDN's DWM Thumbnail Overview they specifically warn me off: Note DWM thumbnails do not enable developers to create applications like the Windows Vista Flip3D (WINKEY-TAB) feature. Thumbnails are rendered directly to the destination window in 2-D. I am told that the thumbnailing api cannot be used to

Flip animation when controller pushed on iPhone

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问题 I had a look around and didn't find what I was exactly looking for. Is there a way to get a flip animation when pushing a view controller? I read that you can change the animation by using a modal view controller but AFAIK the animation for a modal view is from bottom to top and that's not what i am looking for. Is there a way to get a flip animation somehow? 回答1: For modally presented view controllers, you can change the animation with the modalTransitionStyle property. AFAIK, there is no

UIVIew Flip Vertical Animation

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问题 Given: [UIView beginAnimations:nil context:nil]; [UIView setAnimationCurve:UIViewAnimationCurveEaseOut]; [UIView setAnimationDuration:.5]; [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromRight forView:card cache:NO]; myPic = [UIImage UIImagenamed: @"mySecondImage.png"]; [UIView commitAnimations];[/CODE] Which animates 'myPic' right to left with a flip. I need to get the same animation, but vertically. Flip from Top or Flip from Bottom. I looked around, no one really had a

[高并发Java 八] NIO和AIO

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> IO感觉上和多线程并没有多大关系，但是NIO改变了线程在应用层面使用的方式，也解决了一些实际的困难。而AIO是异步IO和前面的系列也有点关系。在此，为了学习和记录，也写一篇文章来介绍NIO和AIO。 1. 什么是NIO NIO是New I/O的简称，与旧式的基于流的I/O方法相对，从名字看，它表示新的一套Java I/O标准。它是在Java 1.4中被纳入到JDK中的，并具有以下特性： NIO是基于块（Block）的，它以块为基本单位处理数据（硬盘上存储的单位也是按Block来存储，这样性能上比基于流的方式要好一些）为所有的原始类型提供（Buffer）缓存支持增加通道（Channel）对象，作为新的原始 I/O 抽象支持锁（我们在平时使用时经常能看到会出现一些.lock的文件，这说明有线程正在使用这把锁，当线程释放锁时，会把这个文件删除掉，这样其他线程才能继续拿到这把锁）和内存映射文件的文件访问接口提供了基于Selector的异步网络I/O 所有的从通道中的读写操作，都要经过Buffer，而通道就是io的抽象，通道的另一端就是操纵的文件。 2. Buffer Java中Buffer的实现。基本的数据类型都有它对应的Buffer Buffer的简单使用例子： package test; import

Create a ImageIcon that is the mirror of another one

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问题 I'll like to know if there is a way to create a ImageIcon that is the mirror of another ImageIcon. Searching on Google, I found how to do it by using many AWT libraries. Is there a way to do it with Swing ? If not, I'm still having troubles with the AWT method : The ImageIcon I want to mirror is a animated gif (with contain a transparent color) and the AWT method returns a non-transparent (the transparent color is changed to opaque black) and non-animated gif. Any ideas how to keep the

Flip Image with react-konva

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问题 With https://github.com/lavrton/react-konva How can I flip an image (horizontally or vertically) I am using this function, but it is not working: flip = direction => { this.setState({ width: -this.state.width }) } 回答1: It is better to use scale property: <Image image={this.state.image} scaleY={-1} y={200}/> So in your state, you should store scale property with 1 or -1 values, https://codesandbox.io/s/v6yk2j2w0l 来源： https://stackoverflow.com/questions/50690175/flip-image-with-react-konva

Revert flipping a DIV after clicking another one

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问题 Take a look a this link. If you click on a product it flips and shows some information. You can flip all products at a given time. I want to be able to only have one flipped product. Every time someone clicks another product, I want the previous one to flip back to its original appearance. The html: <div class="card effect__EFFECT"> <div class="card__front"> <span class="card__text">front</span> </div> <div class="card__back"> <span class="card__text">back</span> </div> </div> The Javascript:

Flip image in svg centered at x,y [duplicate]

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问题 This question already has answers here : Scale and mirror SVG object (2 answers) Closed 2 years ago . I am trying to invert an image in svg. I came across this thread but this solution works for images placed at the origin (0,0). If the width of the image is 100 and the image is at (0,0), then I do the following img.setAttributeNS(null, 'transform', 'translate(100,0) scale(-1,1)'); I tried to flip/invert an image placed at (x,y) but the image disappears. I am not clear as to what translation

Fill a multi-dimensional array from an array of keys and a single value

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问题 Is there an elegant way to turn an array into multi-dimensional keys and add in a value ? $value = "You found the giant!" $keys = array("fee", "fi", "fo", "fum"); $output[ flipster( $keys ) ] = $value; // $output['fee']['fi']['fo']['fum'] = "You found the giant!"; I wrote this function, which works & does what I need it to do, but I don't think it's the best solution... function flipster( $array, $value ) { $out = array(); $key = $array[0]; array_shift( $array ); if( count( $array ) > 0 ) {

swift: How to Flip Cell between two UITableViewCell

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问题 I have two UITableViewCell in a UITableViewController . I want to flip indexPaths on click didSelect method. When I will click indextPath.row “0” in tableViewCellOne it will show indexPath.row “0” of tableViewCellTwo. Now it is not flip properly. Also crash apps after click a few time on didSelect method. Error message is: //Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Attempted to dequeue multiple cells for the same index path, which is not allowed.