GitHub

Exception in thread “AWT-EventQueue-0” java.lang.IllegalArgumentException: Rectangle width and height must be > 0

I have a peculiar situation here in an application I've programmed using a Substance LookAndFeel. In my application, as seen in the screenshot below, I have three JMenus in the MenuBar. The one all ...
GitHub

java.awt.geom.Rectangle2D$Double cannot be cast to java.awt.Rectangle

Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException: java.awt.geom.Rectangle2D$Double cannot be cast to java.awt.Rectangle at freert.graphics ...
findnerd.com

Taking a screenshot of screen using Java and save it in image format

In this blog I will provide a solution to how you can get screenshot of your screen and then save it at any location of your choice for this, we will use java.awt.Robot for creating an image which ...
InfoWorld

Screen Snapshots with Java’s Robot

final Dimension screenDimension = Toolkit.getDefaultToolkit().getScreenSize(); final Rectangle screenRectangle = new Rectangle(screenDimension); final Robot robot ...
Ars Technica

Java Swing - show chosen rectangle

I'm learning Java by writing a Mandelbrot program. I can draw the image, then use the mouse to choose an area to magnify. Works great, except... When I choose the area to magnify (mouse down, move ...