[HARMONY-5258] [classlib][awt] Graphics draw and fill methods work incorrectly with AlphaComposite different from AlphaComposite.Src

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.0M4
• Component/s: Classlib
• Environment: Linux
• Patch Info: Patch Available
• Assignee: Alexey Petrenko
• Reporter: Igor V. Stolyarov
• Created: 05/Dec/07 11:17
• Updated: 05/Dec/07 13:32
• Resolved: 05/Dec/07 12:43

Description

Graphics draw and fill methods work incorrectly with AlphaComposite different from AlphaComposite.Src

Simple reproducer:
import java.io.*;
import java.awt.*;
import java.awt.image.*;
import javax.swing.*;

public class FillRectTest extends JFrame {
public static void main(String[] args){
final FillRectTest test = new FillRectTest();
test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
test.setSize(200, 200);
test.add(new Panel(){
public void paint(Graphics g)

{ Composite composite = AlphaComposite.Clear; int w = getWidth(); int h = getHeight(); g.setColor(Color.green); g.fillRect(0, 0, w, h); Graphics2D g2d = (Graphics2D)g; g2d.setColor(Color.red); g2d.setComposite(composite); g2d.fillRect(w/4, h/4, w/2, h/2); }

});
test.setVisible(true);
}
}