Examples with ScrollingImagePanel javax.media.jai.widget.ScrollingImagePanel used on opensource projects

Example 1 with ScrollingImagePanel

use of javax.media.jai.widget.ScrollingImagePanel in project imageio-ext by geosolutions-it.

the class JPEGReadTest method multithreadedJAIRead.

/**
 * Simple test read
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
public void multithreadedJAIRead() throws FileNotFoundException, IOException {
    if (!isJmagickAvailable) {
        LOGGER.warning("JMagick Library is not Available; Skipping tests");
        return;
    }
    // register the image read mt operation
    ImageReadDescriptorMT.register(JAI.getDefaultInstance());
    // get the file we are going to read
    final String fileName = "001140.jpg";
    final File file = TestData.file(this, fileName);
    // acquire a reader for it but check that it is the right one
    final Iterator readersIt = ImageIO.getImageReaders(file);
    ImageReader reader = null;
    while (readersIt.hasNext()) {
        reader = (ImageReader) readersIt.next();
        if (reader instanceof JpegJMagickImageReader)
            break;
        reader = null;
    }
    assertNotNull(reader);
    // do an image read with jai
    final ParameterBlockJAI pbjImageRead;
    final ImageReadParam irp = reader.getDefaultReadParam();
    irp.setSourceSubsampling(4, 4, 0, 0);
    pbjImageRead = new ParameterBlockJAI("ImageReadMT");
    pbjImageRead.setParameter("Input", file);
    pbjImageRead.setParameter("Reader", reader);
    pbjImageRead.setParameter("readParam", irp);
    // set the layout so that we shrink the amount of memory needed to load
    // this image
    final ImageLayout l = new ImageLayout();
    l.setTileGridXOffset(0).setTileGridYOffset(0).setTileHeight(512).setTileWidth(512);
    RenderedOp image = JAI.create("ImageReadMT", pbjImageRead, new RenderingHints(JAI.KEY_IMAGE_LAYOUT, l));
    if (TestData.isInteractiveTest()) {
        final JFrame jf = new JFrame();
        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jf.getContentPane().add(new ScrollingImagePanel(image, 1024, 768));
        jf.pack();
        jf.show();
    } else {
        assertNotNull(image.getTiles());
        // remember that if we do not explictly provide an Imagereader to
        // the ImageReadMT operation it consistently dispose the one it
        // creates once we dispose the ImageReadOpImage
        image.dispose();
    }
}

Example 2 with ScrollingImagePanel

use of javax.media.jai.widget.ScrollingImagePanel in project imageio-ext by geosolutions-it.

the class JPEGReadTest method ImageIORead.

/**
 * Simple test read
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@org.junit.Test
public void ImageIORead() throws FileNotFoundException, IOException {
    if (!isJmagickAvailable) {
        LOGGER.warning("JMagick Library is not Available; Skipping tests");
        return;
    }
    // get the file we are going to read
    final String fileName = "001140.jpg";
    final File file = TestData.file(this, fileName);
    // acquire a reader for it but check that it is the right one
    final Iterator readersIt = ImageIO.getImageReaders(file);
    ImageReader reader = null;
    while (readersIt.hasNext()) {
        reader = (ImageReader) readersIt.next();
        if (reader instanceof JpegJMagickImageReader)
            break;
        reader = null;
    }
    assertNotNull(reader);
    // do an image read with jai
    final ImageReadParam irp = reader.getDefaultReadParam();
    irp.setSourceSubsampling(4, 4, 0, 0);
    reader.setInput(ImageIO.createImageInputStream(file));
    BufferedImage image = reader.read(0, irp);
    if (true) {
        final JFrame jf = new JFrame();
        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jf.getContentPane().add(new ScrollingImagePanel(image, 1024, 768));
        jf.pack();
        jf.show();
    } else {
        assertNotNull(image);
        // flush resources
        image.flush();
        image = null;
    }
}

Example 3 with ScrollingImagePanel

use of javax.media.jai.widget.ScrollingImagePanel in project imageio-ext by geosolutions-it.

the class Viewer method visualizeWithTextArea.

// ///////////////////////////////////////////////////////////////////////
// 
// Provides to retrieve metadata from the provided
// <code>RenderedImage</code>}
// and return the String containing properly formatted text.
// 
// ///////////////////////////////////////////////////////////////////////
// TODO: Fix it since frame components are not well composed/located
private static void visualizeWithTextArea(RenderedImage ri, String title, final MetadataChoice textFields, final int index, final boolean displayImage) {
    StringBuffer sb = new StringBuffer();
    switch(textFields) {
        case ONLY_IMAGE_METADATA:
            sb.append("  Image Metadata from ").append(title);
            break;
        case ONLY_STREAM_METADATA:
            sb.append("  Stream Metadata");
            break;
        case STREAM_AND_IMAGE_METADATA:
            sb.append("  Metadata from ").append(title);
            break;
        case PROJECT_AND_GEOTRANSF:
            sb.append("  CRS Information for ").append(title);
            break;
        case EVERYTHING:
            sb.append(" Additional Information from ").append(title);
            break;
    }
    final JFrame frame = new JFrame(title);
    frame.getContentPane().setLayout(new BorderLayout());
    // Sometime, we dont want to display image, only text data which
    // need to be placed to the start of the area.
    String textPosition = BorderLayout.PAGE_START;
    if (displayImage) {
        frame.getContentPane().add(new ScrollingImagePanel(ri, 640, 480));
        textPosition = BorderLayout.LINE_START;
    }
    JLabel label = new JLabel(sb.toString());
    frame.getContentPane().add(label, textPosition);
    JTextArea textArea = new JTextArea();
    if (textFields == MetadataChoice.PROJECT_AND_GEOTRANSF)
        textArea.setText(GDALUtilities.buildCRSProperties(ri, index));
    else if (textFields != MetadataChoice.EVERYTHING)
        textArea.setText(GDALUtilities.buildMetadataText(ri, textFields, index));
    else
        textArea.setText(new StringBuffer(GDALUtilities.buildMetadataText(ri, textFields, index).toString()).append(newLine).append(GDALUtilities.buildCRSProperties(ri, index)).toString());
    textArea.setEditable(false);
    frame.getContentPane().add(textArea);
    frame.getContentPane().add(new JScrollPane(textArea), BorderLayout.PAGE_END);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    SwingUtilities.invokeLater(new Runnable() {

        public void run() {
            frame.pack();
            frame.setSize(1024, 768);
            frame.setVisible(true);
        }
    });
}

Example 4 with ScrollingImagePanel

use of javax.media.jai.widget.ScrollingImagePanel in project imageio-ext by geosolutions-it.

the class ImageIOUtilities method visualize.

/**
 * base method used to simply visualize RenderedImage
 *
 * @param ri
 *                RenderedImage to visualize
 * @param title
 *                title for the frame (usually the image filename)
 */
public static void visualize(final RenderedImage ri, String title) {
    final JFrame frame = new JFrame(title);
    frame.getContentPane().add(new ScrollingImagePanel(ri, 1024, 768));
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    SwingUtilities.invokeLater(new Runnable() {

        public void run() {
            frame.pack();
            frame.setSize(1024, 768);
            frame.setVisible(true);
        }
    });
}

Example 5 with ScrollingImagePanel

use of javax.media.jai.widget.ScrollingImagePanel in project imageio-ext by geosolutions-it.

the class TestImageInputStream method visualize.

/**
 * @param image
 * @param string
 * @throws HeadlessException
 */
private void visualize(final RenderedOp image, String string) throws HeadlessException {
    final JFrame f = new JFrame();
    f.setTitle(string);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(new ScrollingImagePanel(image, 800, 800));
    f.pack();
    f.setVisible(true);
}