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Simple as the title states: Can you use only Java commands to take a screenshot and save it? Or, do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
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Taking a Screenshot Using RobotThe dimensions of the screen are accessible through the Toolkit class by using its getScreenSize() method. On systems with multiple screens, the primary display is used by default. After capturing the screen into BufferedImage, we can write it to the file with ImageIO. write().
Click Start, then type “snipping tool” into the search box. Select Snipping Tool from the results. Click Mode to select the type of screen grab you want to take. Then use your mouse to select the area of your screen or window you want to capture.
Believe it or not, you can actually use java.awt.Robot to "create an image containing pixels read from the screen." You can then write that image to a file on disk.
I just tried it, and the whole thing ends up like:
Rectangle screenRect = new Rectangle(Toolkit.getDefaultToolkit().getScreenSize()); BufferedImage capture = new Robot().createScreenCapture(screenRect); ImageIO.write(capture, "bmp", new File(args[0])); NOTE: This will only capture the primary monitor. See GraphicsConfiguration for multi-monitor support.
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