ZXing - used to create a QR code which is (a) part of the test and (b) provides a link to the Graphics2D implementation under test; JFreeChart - used to create a sample 2D chart; Orson Charts - used ...

Java's Graphics2D class provides methods to draw primitive shapes, such as lines, rectangles and ellipses. It lacks a method for drawing pixels. You can color a single pixel in a Java drawing by ...

We're seeing a NPE while using the Graphics2D api.. this code works in Hotspot but generates the NPE in Openj9: package test; import java.awt.Color; import java.awt.Font; import java.awt.Graphics2D; ...

I'm working on a fullscreen java app that consists of a 320x320 field of randomly-colored dots, a variable percentage of which should eventually move in concert at up to 100 fps. Right now I'm simply ...