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Posted to commits@harmony.apache.org by "Dmitriy Matveev (JIRA)" <ji...@apache.org> on 2007/10/16 11:12:50 UTC
[jira] Updated: (HARMONY-4925) [classlib][awt] GDI Objects are not
released after calling getGraphics() function of Component class
[ https://issues.apache.org/jira/browse/HARMONY-4925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dmitriy Matveev updated HARMONY-4925:
-------------------------------------
Attachment: GraphicsLeaksAWT.patch
> [classlib][awt] GDI Objects are not released after calling getGraphics() function of Component class
> ----------------------------------------------------------------------------------------------------
>
> Key: HARMONY-4925
> URL: https://issues.apache.org/jira/browse/HARMONY-4925
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: Windows
> Reporter: Dmitriy Matveev
> Attachments: GraphicsLeaksAWT.patch
>
>
> Reproducer:
> import java.awt.Frame;
> import java.awt.Graphics;
> import java.awt.Graphics2D;
> import java.awt.event.MouseEvent;
> import java.awt.event.MouseListener;
> import java.awt.event.WindowAdapter;
> import java.awt.event.WindowEvent;
> public class Test {
> public static void main(String[] args) {
> final Frame f = new Frame() {
> public void paint(Graphics g) {
> Graphics2D g2d = (Graphics2D) g;
> g2d.drawString("asdf",50,50);
> }
> };
> f.setBounds(0, 0, 800, 600);
> f.setVisible(true);
> f.addWindowListener(new WindowAdapter() {
> public void windowClosing(WindowEvent ev) {
> System.exit(0);
> }
> });
>
> f.addMouseListener(new MouseListener(){
> public void mouseReleased(MouseEvent e){
> f.getGraphics();
> }
> public void mouseClicked(MouseEvent e) {
> }
> public void mouseEntered(MouseEvent e) {
> }
> public void mouseExited(MouseEvent e) {
> }
> public void mousePressed(MouseEvent e) {
> }
> });
> }
> }
> You may use Windows Task Manager to view the number of used GDI objects.
> To do this, you need:
> 1. Click the Processes tab in Task Manager
> 2.Click View, then Select Columns.
> 5. Check GDI Objects and click OK.
> 6. Click the java-process of the test, and scroll to the GDI Objects column.
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