[伙计们,我已经开发了一个代码来捕获整个屏幕的屏幕快照,但是我希望它仅捕获Jframe内部内容的屏幕快照。以后会用它来打印图像。主要问题之一是鼠标也位于快照内部。我不希望鼠标或底部的两个按钮。我可以只更改按钮的可见性,但是对鼠标和仅在Jframe中拍摄应该怎么做?这是我的代码,它需要整个屏幕的屏幕截图。
try{
Thread.sleep(1000);
Toolkit tk = Toolkit.getDefaultToolkit(); //Toolkit class returns the default toolkit
Dimension d = tk.getScreenSize();
//Dimension class object stores width & height of the toolkit screen
// toolkit.getScreenSize() determines the size of the screen
Rectangle rec = new Rectangle(0, 0, d.width, d.height);
//Creates a Rectangle with screen dimensions,
Robot ro = new Robot(); //to capture the screen image
BufferedImage img = ro.createScreenCapture(rec);
File f;
f = new File("myimage.jpg"); // File class is used to write the above generated buffered image to a file
ImageIO.write(img, "jpg", f);
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
恕我直言,最好为您的组件制作图像(JFrame
也是Component
:]
BufferedImage img = new BufferedImage(yourComponent.getWidth(), yourComponent.getHeight(), BufferedImage.TYPE_INT_RGB);
yourComponent.paint(img.getGraphics());
File outputfile = new File("saved.png");
ImageIO.write(img, "png", outputfile);