在Java中全屏捕获DirectX程序（Javacv？） [英] Full screen capture of a DirectX program in java (Javacv ?)

问题描述

[对于Windows]
我知道可以捕获在C＃语言下运行的DirectX程序的屏幕，但你知道一些Java的示例代码吗？

[For Windows] I know it is possible to capture screen of a DirectX program running under C# language, but do you know some sample code for Java?

我实际上遇到的问题与此相同使用java在全屏应用程序中拍摄屏幕截图？。机器人类没有帮助，也没有工作。

I am actually facing this same problem than this Take screen shots inside of full screen applications with java?. Robot class didn't helped and neither worked.

但是我没有在互联网上找到任何关于此问题的java代码示例。
感谢您提供有关此主题的任何帮助。

But yet I didn't found any sample of java code on the internet concerning this. Thanks for any help you could provide on this topic.

推荐答案

由于我的工作更多，请参阅：

Since I worked on it more, see also:

import java.awt.*;
import java.awt.datatransfer.*;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import javax.swing.*;

import javax.imageio.ImageIO;
import java.io.File;

public class ClipboardScreenshot {

    public static void main(String[] args) throws Exception {
        // get the screenshot
        Robot robot = new Robot();
        robot.keyPress(KeyEvent.VK_PRINTSCREEN);
        robot.delay(40);
        robot.keyRelease(KeyEvent.VK_PRINTSCREEN);
        robot.delay(404);

        Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
        DataFlavor[] flavors = cb.getAvailableDataFlavors();
        System.out.println("After: ");
        for (DataFlavor flavor : flavors) {
            System.out.println(flavor);
            if (flavor.toString().indexOf("java.awt.Image")>0) {
                Object o = cb.getData(flavor);
                Image i = (Image)o;
                // ImageIO will not write an Image
                // It will write a BufferedImage (a type of RenderedImage)
                BufferedImage bi = new BufferedImage(
                        i.getWidth(null),
                        i.getHeight(null),
                        BufferedImage.TYPE_INT_RGB);
                Graphics2D g = bi.createGraphics();
                g.drawImage(i, 0, 0, null);
                g.dispose();

                JScrollPane sp = new JScrollPane(new JLabel(new ImageIcon(bi)));
                sp.setPreferredSize(new Dimension(800,600));
                JOptionPane.showMessageDialog(null, sp);
                File f = new File(
                        System.getProperty("user.home") + 
                        File.separator + 
                        "the.png");
                ImageIO.write(bi, "png", f);
            }
        }
    }
}

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