How to capture screen to bitmap如何实现截屏（Symbian）

最新推荐文章于 2022-04-28 19:34:54 发布

转载最新推荐文章于 2022-04-28 19:34:54 发布 · 1.9k 阅读

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本文介绍了一种简单的方法来将手机屏幕的内容捕获到内存中的位图。通过创建适当大小的位图实例并使用CWsScreenDevice和CFbsBitmap类，可以轻松地复制屏幕内容。最后，该位图可以被保存为文件或其他用途。

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How to capture screen to bitmap
From Forum Nokia Wiki

Capturing screen to in-memory bitmap is extremely easy. All you need is to create a bitmap instance with appropriate size

CWsScreenDevice* screenDev = CCoeEnv::Static()->ScreenDevice();
CFbsBitmap* bitmap = new (ELeave) CFbsBitmap;
CleanupStack::PushL( bitmap );
User::LeaveIfError( bitmap->Create( screenDev->SizeInPixels(),
screenDev->DisplayMode() ) );

and then copy screen content into it as follows

User::LeaveIfError( screenDev->CopyScreenToBitmap( bitmap ) );
// use bitmap as appropriate, for example save it to file

CleanupStack::PopAndDestroy( bitmap );

This code links against fbscli.lib and ws32.lib

转载自： http://wiki.forum.nokia.com/index.php/How_to_capture_screen_to_bitmap