http://imagej.273.s1.nabble.com/Display-an-image-on-a-JPanel-tp5005268p5005303.html
I have no idea how to get them into github. I've never had any cooperators
> Hi Robert,
>
> Can you please post a complete example demonstrating the problem?
> GitHub.com is a nice place to do this. It will make it much easier for
> people to help you.
>
> Regards,
> Curtis
>
>
> On Thu, Oct 24, 2013 at 12:25 PM, Robert Lockwood <
[hidden email]
> >wrote:
>
> > In order to have an ImagePanel for my application I downloaded the
> > JImagePanel from GitHub in response to Johannes reply, created a class
> for
> > it in my project changing the package to my package in Eclipse Keppler.
> >
> > In my GUI initialization where the GUI is built I have:
> >
> > jImagePanel = new JImagePanel();
> > jImagePanel.setName("jImagePanel");
> > jImagePanel.setBorder(new LineBorder(new Color(0, 0, 0)));
> > jImagePanel.setBounds(10, 10, 641, 481);
> > jImagePanel.setBackground(Color.WHITE);
> > jImagePanel.setOpaque(false);
> > pnlBase.add(jImagePanel);
> >
> > when the image is read I display it with:
> >
> > if (!jImagePanel.isOpaque()) {
> > jImagePanel.setOpaque(true);
> > }
> >
> > jImagePanel.updateImage(imp);
> >
> > When I shift from Source to Design Google Builder crashes indicating
> > problems in JImagePanel's method paintCompnent().
> >
> > When I attempt to run it the GUI does not display properly, the contents
> of
> > the JFrame are gray. Moving the cursor over the contents exposes all the
> > JButtons, but nothing else, and clicking on the button results in the
> > expected display of my file selector. If the file is selected the image
> > displays correctly as do all the other visual objects in the JFrame.
> >
> > I get NullPointerException errors that finger the same line that trying
> to
> > move to Display fingers.
> >
> > I modified the below code to check that imp was not null but it had no
> > effect.
> >
> > Johannes gave another URL for the code but I don't know how to get that
> > code.
> >
> > I guess I'm partway there ...
> >
> > From JImagePanel:
> >
> > @Override
> > public void paintComponent(Graphics g) {
> > super.paintComponent(g);
> > try {
> > if (imageUpdated) {
> > imageUpdated = false;
> > imp.updateImage();
> > }
> > Java2.setBilinearInterpolation(g,
> > Prefs.interpolateScaledImages);
> >
> > Image img = imp.getProcessor().createImage(); // THIS IS THE
> > ERROR LINE
> >
> > if (img != null) {
> > waitForImage(img);
> > int displayWidth = (int) (srcRect.width * magnification);
> > int displayHeight = (int) (srcRect.height *
> magnification);
> > Dimension size = getSize();
> > int offsetX = (size.width - displayWidth) / 2;
> > int offsetY = (size.height - displayHeight) / 2;
> > g.translate(offsetX, offsetY);
> > g.drawImage(img, 0, 0, displayWidth, displayHeight,
> > srcRect.x,
> > srcRect.y, srcRect.x + srcRect.width, srcRect.y
> > + srcRect.height, null);
> > }
> > drawOverlay(g);
> > } catch (OutOfMemoryError e) {
> > IJ.outOfMemory("Paint");
> > }
> > }
> >
> >
> >
> >
> > On Wed, Oct 23, 2013 at 7:31 AM, Johannes Schindelin <
> >
[hidden email]> wrote:
> >
> > > Hi Robert,
> > >
> > > On Tue, 22 Oct 2013, Robert Lockwood wrote:
> > >
> > > > I've an application that collects a monochrome "image" as an array of
> > > > "unsigned short" (short[]), saves it as a TIFF (thanks for that help)
> > > > and displays it on JPanel. I'd rather use the ImageJ methods etc. to
> > > > display the image on the JPanel and reduce my code.
> > > >
> > > > Is this possible? How?
> > >
> > > Unfortunately, the ImageCanvas -- ImageJ 1.x' AWT component intended to
> > > display images -- is tightly bound to the ImageWindow class and does
> not
> > > play well with other components in the same AWT container.
> > >
> > > Besides, all the claims that AWT and Swing mix well now seem to be
> > > premature still.
> > >
> > > Therefore we integrated Simon Andrews' JImagePanel into Fiji:
> > >
> > >
> > >
> >
>
https://github.com/fiji/fiji/blob/master/src-plugins/fiji-lib/src/main/java/fiji/util/gui/JImagePanel.java> > >
> > > It should be relatively easy to integrate into your software: it is
> > > contained in the fiji-lib artifact available at
>
http://maven.imagej.net/> > .
> > >
> > > You could also extract the file and insert into your own source code,
> of
> > > course, but you'd ask for diverging versions.
> > >
> > > Ciao,
> > > Johannes
> > >
> >
> >
> >
> > --
> > When I was 12 I thought I would live forever.
> > So far, so good.
> >
> > --
> > ImageJ mailing list:
http://imagej.nih.gov/ij/list.html> >
>
> --
> ImageJ mailing list:
http://imagej.nih.gov/ij/list.html>