采取截图在libgdx [英] taking screenshot in libgdx

问题描述

我有，我想利用的游戏画面截图，并保存为图片，并上传至Facebook的应用程序。我使用Libgdx，我的重点是机器人。

I have an application in which i want to take the screenshot of the game screen and save it as an image and upload to Facebook. I am using Libgdx and my focus is android.

谁能帮我，如何利用游戏画面编程的截屏并保存为图像??

Can anyone help me that how to take screenshot of the game screen programmatically and save it as an image ??

推荐答案

现在是相当容易的。 Libgdx提供了一个例子，它可以发现这里。

It is now fairly easy. Libgdx provides an example, which can be found here.

我不得不添加一个语句得到它的工作。图像无法直接保存到 /screenshot1.png 。只需prePEND Gdx.files.getLocalStoragePath（）。

I had to add one statement to get it working. The image could not be saved directly to /screenshot1.png. Simply prepend Gdx.files.getLocalStoragePath().

来源$ C ​​$ C：

Source Code:

public class ScreenshotFactory {

    private static int counter = 1;
    public static void saveScreenshot(){
        try{
            FileHandle fh;
            do{
                fh = new FileHandle(Gdx.files.getLocalStoragePath() + "screenshot" + counter++ + ".png");
            }while (fh.exists());
            Pixmap pixmap = getScreenshot(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight(), false);
            PixmapIO.writePNG(fh, pixmap);
            pixmap.dispose();
        }catch (Exception e){           
        }
    }

    private static Pixmap getScreenshot(int x, int y, int w, int h, boolean yDown){
        final Pixmap pixmap = ScreenUtils.getFrameBufferPixmap(x, y, w, h);

        if (yDown) {
            // Flip the pixmap upside down
            ByteBuffer pixels = pixmap.getPixels();
            int numBytes = w * h * 4;
            byte[] lines = new byte[numBytes];
            int numBytesPerLine = w * 4;
            for (int i = 0; i < h; i++) {
                pixels.position((h - i - 1) * numBytesPerLine);
                pixels.get(lines, i * numBytesPerLine, numBytesPerLine);
            }
            pixels.clear();
            pixels.put(lines);
        }

        return pixmap;
    }
}

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