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Date: Thu, 8 Nov 2007 00:18:50 -0800 (PST)
From: "Igor V. Stolyarov (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Updated: (HARMONY-5066) [classlib][awt] Harmony crashes when
 LinuxCursorFactory.createCustomCursor
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     [ https://issues.apache.org/jira/browse/HARMONY-5066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Igor V. Stolyarov updated HARMONY-5066:
---------------------------------------

    Attachment: H-5066-RTest.patch

Regression tests attached.

Thanks,
Igor

> [classlib][awt] Harmony crashes when LinuxCursorFactory.createCustomCursor
> --------------------------------------------------------------------------
>
>                 Key: HARMONY-5066
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5066
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: Linux32
>            Reporter: Chunrong Lai
>            Assignee: Alexey Petrenko
>         Attachments: 3100.png, H-5066-2.patch, H-5066-RTest.patch, H-5066.patch, H5066.1.patch
>
>
>  Harmony has bug in raster databuffer allocation.
>  Below reproducer crashes (java CursorIconTest 3100.png)
> import java.io.*;
> import java.awt.*;
> import java.awt.image.*;
> import javax.swing.*;
> import java.awt.event.MouseListener;
> public class CursorIconTest extends JFrame {
>         public CursorIconTest(String imageName) {
>            super("Cursor Icon Test");
>            initComponent(imageName);
>         }
>         public static void  main(String[] args){
>                 if(args.length <1) {
>                   System.out.println("Please input a valid image name");
>                   System.exit(0);
>                 }
>                 CursorIconTest aTest = new CursorIconTest(args[0]);
>                 aTest.setVisible(true);
>         }
>          private void initComponent(String imageName) {
>                 Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
>                 setLocation(d.width / 4, d.height / 4);
>                 setSize(d.width / 2, d.height / 2);
>                 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
>                 setResizable(false);
>                 CursorIconPanel iconPanel = new CursorIconPanel(imageName, d.width / 2, d.height / 2);
>                 getContentPane().add(iconPanel);
>          }
> }
> class CursorIconPanel extends JPanel implements MouseListener{
>          public CursorIconPanel(String nameofImage, int width, int height) {
>                 super(null);
>                  imageName = nameofImage;
>                 tempImage = null;
>                 cursor = null;
>                  textArea = new JTextArea("This is a cursor test!")	;
>                  textArea.setBounds(0, 0, width, height);
>                  add(textArea);
>                  textArea.addMouseListener(this);
>           }
>           public void getCursorImage() {
>                 if (tempImage == null) {
>                    tempImage = Toolkit.getDefaultToolkit().getImage(imageName);
>                    MediaTracker imageTracker = new MediaTracker(this);
>                    imageTracker.addImage(tempImage, 0);
>                    try {
>                      imageTracker.waitForID(0);
>                    }catch(InterruptedException e) {
>                      e.printStackTrace();
>                    }
>                 }
>                 if (cursor == null) {
>                    cursor = Toolkit.getDefaultToolkit().createCustomCursor(tempImage, new Point(16, 16), "TextClick right");
>                 }
>           }
>          public String imageName;
>          public Image tempImage;
>          public Cursor cursor;
>          private JTextArea textArea;
>         public void mouseEntered(java.awt.event.MouseEvent e) {
>               getCursorImage();
>               textArea.setCursor(cursor);
>         }
>         public void mouseExited(java.awt.event.MouseEvent e) {}
>         public void mousePressed(java.awt.event.MouseEvent e) {}
>         public void mouseReleased(java.awt.event.MouseEvent e) {}
>         public void mouseClicked(java.awt.event.MouseEvent e) {}
> }
>   with below trace
> java.awt.image.RasterFormatException: dataBuffer is too small
>         at java.awt.image.Raster.validateDataBuffer(Raster.java:859)
>         at java.awt.image.Raster.<init>(Raster.java:609)
>         at java.awt.image.WritableRaster.<init>(WritableRaster.java:33)
>         at java.awt.image.WritableRaster.<init>(WritableRaster.java:39)
>         at org.apache.harmony.awt.gl.image.OrdinaryWritableRaster.<init>(OrdinaryWritableRaster.java:44)
>         at java.awt.image.Raster.createPackedRaster(Raster.java:414)
>         at java.awt.image.Raster.createPackedRaster(Raster.java:479)
>         at java.awt.image.BufferedImage.<init>(BufferedImage.java:323)
>         at org.apache.harmony.awt.wtk.linux.LinuxCursorFactory.convertTo1Bit(LinuxCursorFactory.java:280)
>         at org.apache.harmony.awt.wtk.linux.LinuxCursorFactory.createCustomCursor(LinuxCursorFactory.java:99)
>         at java.awt.Toolkit.createCustomNativeCursor(Toolkit.java:1208)
>         at java.awt.Cursor.getNativeCursor(Cursor.java:235)
>         at java.awt.Component.setCursor(Component.java:2795)
>         at java.awt.Component.setCursor(Component.java:2771)

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