Re: [platform-swt-dev] java.awt.Image

["Jess Terr" <jst@xxxxxxxxxxxxx>]

Thanks for reply Silenio.
I have tried your suggestion, but my VM crashes. I tried to submit a bug to bugzilla, but I cannot login because of invalid password (the one I received contains space, maybe that is the problem - if somebody can fix it I'll be glad).

So here is my bug report, see attached ZIP for demonstation case and log file for error I received.

I am running Linux, sun's jdk1.3.1_01

Regards.
jst



-----Original Message-----
From: "Silenio Quarti/OTT/OTI" <Silenio_Quarti@xxxxxxx>
Date: Mon, 26 Nov 2001 16:40:20 -0500
To: platform-swt-dev@xxxxxxxxxxx
Subject: Re: [platform-swt-dev] java.awt.Image


> I believe the only possible way of doing what you want is by
> getting the data out of the AWT image and create a SWT image
> using that data. 
> 
> The code below shows how to do this. Keep in that the following 
> code does not handle all images properly. For e
> 
> 
> import java.awt.Frame;
> import java.awt.MediaTracker;
> import java.awt.Toolkit;
> import java.awt.image.*;
> import org.eclipse.swt.*;
> import org.eclipse.swt.widgets.*;
> import org.eclipse.swt.graphics.*;
> 
> public class AWTToSWTImage {
>  
> public static void main(String[] args) throws Exception {
>         Frame frame = new Frame();
>  
>         java.awt.Image awtImage = Toolkit.getDefaultToolkit().getImage("c:\\temp\\upgray.gif");
>         MediaTracker tracker = new MediaTracker(frame);
>         tracker.addImage(awtImage, 0);
>         tracker.waitForAll();
>  
>         int width = awtImage.getWidth(null);
>         int height = awtImage.getHeight(null);
>         PixelGrabber grabber = new PixelGrabber(awtImage, 0, 0, width, height, true);
>  
>         if (!grabber.grabPixels()) {
>                 System.out.println("Error");
>                 return;
>         }
>  
>         DirectColorModel cm = 
> (DirectColorModel)ColorModel.getRGBdefault();
>         int[] pixels = (int[])grabber.getPixels();
>  
>         PaletteData palette = new PaletteData(cm.getRedMask(), cm.getGreenMask(), cm.getBlueMask());
>         ImageData data = new ImageData(width, height, cm.getPixelSize(), palette);
>         data.setPixels(0, 0, width * height, pixels, 0);
>  
>         Display display = new Display();
>         Shell shell = new Shell(); 
>         final Image swtImage = new Image(display, data); 
>         shell.addListener(SWT.Paint, new Listener() {
>                 public void handleEvent(Event e) {
>                         GC gc = e.gc;
>                         gc.drawImage(swtImage, 10, 10);
>                 }
>         });
>         shell.setBounds(0, 0, 300, 300);
>         shell.open();
>  
>         while (!shell.isDisposed()) {
>                 if (!display.readAndDispatch()) display.sleep();
>         }
> }
> 
> }
> 
> 
> 
> 
> 
> 
> "Jess Terr" <jst@xxxxxxxxxxxxx>
> Sent by: platform-swt-dev-admin@xxxxxxxxxxx
> 11/26/01 11:03 AM
> Please respond to platform-swt-dev
> 
>  
>         To:     platform-swt-dev@xxxxxxxxxxx
>         cc: 
>         Subject:        [platform-swt-dev] java.awt.Image
> 
> Hello.
> I have tried to port my old AWT application to SWT and everything seemed 
> fine until I realized that AWT Image is not SWT Image.
> 
> That also would not be problem, if I was in control of creation of that 
> image, but I am not. I just have plain reference to java.awt.Image and I 
> need a way to display it in SWT.
> 
> I am not expert in AWT nor SWT, but I expect a lot of such people 
> subscribed to this mailing list. Can somebody help me, please?
> 
> Thank you in advance.
> jst
> 
> -- 
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