（官网：www.libgdx.cn）
接下来的示例说明怎样进行截屏并且保存为PNG格式。
public class ScreenshotFactory {
private static int counter = 1;
public static void saveScreenshot(){
try{
FileHandle fh;
do{
fh = new FileHandle("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) {
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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