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Java AWT

Drawing Geometric Primitives

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by , 03-06-2012 at 08:43 PM (607 Views)
Several classes are provided in the Java 2D API that defines common geometric object like:
  • Points
  • Lines
  • Curves
  • Rectangles

These geometry classes are part of the java.awt.geom package.

To retrieve methods from the path, the PathIterator interface defines and provides methods. For describing and inspecting geometric path objects, the Shape interface provides a set of methods. The GeneralPath class implements this interface and other geometry classes.

All the geometries are created using java.awt.geom package and then rendered using the Graphics2D class. To start with it, you need to get an object f Graphics2D. Following piece of code explains a paint method.
Java Code:
public void paint (Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

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