Package java.awt.image

Examples of java.awt.image.PixelGrabber

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        if (mimeType == null)
        {
            throw new IOException("Unsupported MIME type");
        }

        PixelGrabber pixelGrabber = null;
        try
        {
            pixelGrabber = getPixelGrabber(image, null);
        }
        catch (Exception e)
        {
            throw new IOException("Error reading image");
        }

        int width = pixelGrabber.getWidth();
        int height = pixelGrabber.getHeight();

        // JPEG
        if (MIME_JPG.equals(mimeType) || MIME_JPEG.equals(mimeType))
        {
            DefineBitsJPEG2Tag imageTag = new DefineBitsJPEG2Tag();
            imageTag.setImageData(bytes);
            return new DefineImage(imageTag, width, height);
        }
        // PNG or GIF
        else if (MIME_PNG.equals(mimeType) || MIME_GIF.equals(mimeType))
        {
            int[] pixels = (int[])pixelGrabber.getPixels();
            DefineImage defimage = createDefineBitsLossless(pixels, width, height);
            return defimage;
        }
        else
        {
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        return image;
    }

    private static PixelGrabber getPixelGrabber(Image image, String location)
    {
        PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, -1, -1, true);
   
        try
        {
            pixelGrabber.grabPixels();
        }
        catch (InterruptedException interruptedException)
        {
            if (Trace.error)
            {
              interruptedException.printStackTrace();
            }
            throw new RuntimeException("Failed to grab pixels for image " + location);
        }
   
        if (((pixelGrabber.getStatus() & ImageObserver.WIDTH) == 0) ||
        ((pixelGrabber.getStatus() & ImageObserver.HEIGHT) == 0))
        {
          throw new RuntimeException("Failed to grab pixels for image " + location);
        }
   
        return pixelGrabber;
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    }
    int width = image.getWidth(il);
    int height = image.getHeight(il);
    int[] pixels = new int[width*height]; // all the image's pixels

    PixelGrabber grabber = new PixelGrabber(image.getSource(), 0, 0,
                                            width, height,
                                            pixels, 0, width);
    try // get the pixels
    {
      grabber.grabPixels();
    }
    catch (InterruptedException e)
    {
      throw new InterruptedIOException(_LOG.getMessage(
        "GRABBING_PIXELS"));
    }
    if ((grabber.getStatus() & ImageObserver.ABORT) != 0)
    {
      throw new IllegalArgumentException(_LOG.getMessage(
        "ERROR_FETCHING_IMAGE", new Object[]{pixels.length,width,height}));
    }

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    int width = image.getWidth(loader);
    int height = image.getHeight(loader);
    int[] pixels = new int[width*height]; // all the image's pixels

    // Use a PixelGrabber to get the pixel values
    PixelGrabber grabber = new PixelGrabber(image.getSource(),
                                            0, 0,
                                            width, height,
                                            pixels,
                                            0, width);
    try
    {
      grabber.grabPixels();
    }
    catch (InterruptedException e)
    {
      throw new IllegalArgumentException(_LOG.getMessage(
        "GRABBING_PIXELS"));
    }

    if ((grabber.getStatus() & ImageObserver.ABORT) != 0)
    {
      throw new IllegalArgumentException(_LOG.getMessage(
        "ERROR_FETCHING_IMAGE", new Object[]{pixels.length, width, height}));
    }

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    int width = im.getWidth(il);
    int height = im.getHeight(il);
    int[] pixels = new int[width*height]; // going to hold all
    // the image's pixels
   
    PixelGrabber grabber = new PixelGrabber(im.getSource(), 0, 0,
                                            width, height,
                                            pixels, 0, width);
    try // get the pixels
    {
      grabber.grabPixels();
    }
    catch (InterruptedException e)
    {
      throw new IllegalArgumentException(_LOG.getMessage(
        "GRABBING_PIXELS"));
    }
    if ((grabber.getStatus() & ImageObserver.ABORT) != 0)
    {
      throw new IllegalArgumentException(_LOG.getMessage(
        "ERROR_FETCHING_IMAGE", new Object[]{pixels.length,width,height}));
    }

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        int y = rect.y;
        int w = rect.width;
        int h = rect.height;

        int[] pixels = new int[w * h];
        PixelGrabber pg = new PixelGrabber (img, x, y, w, h, pixels, 0, w);
        try {
            pg.grabPixels ();
        } catch (InterruptedException e) {
            System.err.println ("interrupted waiting for pixels!");
            return null;
        }
        if ((pg.getStatus () & ImageObserver.ABORT) != 0) {
            System.err.println ("image fetch aborted or errored");
            return null;
        }
        ArrayList tmpList = new ArrayList ();
        for (int j = 0; j < h; j++) {
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        int y = rect.y;
        int w = rect.width;
        int h = rect.height;
       
        int[] pixels = new int[w * h];
        PixelGrabber pg = new PixelGrabber (img, x, y, w, h, pixels, 0, w);
        try {
            pg.grabPixels ();
        } catch (InterruptedException e) {
            System.err.println ("interrupted waiting for pixels!");
            return null;
        }
        if ((pg.getStatus () & ImageObserver.ABORT) != 0) {
            System.err.println ("image fetch aborted or errored");
            return null;
        }
        ArrayList tmpList = new ArrayList ();
        for (int j = 0; j < h; j++) {
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    }

    private static Texture readPixels(BufferedImage img, boolean storeAlphaChannel) {
        int[] packedPixels = new int[img.getWidth() * img.getHeight()];

        PixelGrabber pixelgrabber = new PixelGrabber(img, 0, 0, img.getWidth(), img.getHeight(), packedPixels, 0, img.getWidth());
        try {
            pixelgrabber.grabPixels();
        } catch (InterruptedException e) {
            throw new RuntimeException();
        }

        int bytesPerPixel = storeAlphaChannel ? 4 : 3;
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         m_w = getWidth();
         m_h = getHeight();
     int x = 0;
     int y = 0;
         m_aPixels = new int[m_w * m_h];
         PixelGrabber pg = new PixelGrabber(m_aImage, x, y, m_w, m_h, m_aPixels, 0, m_w);
         try
         {
             pg.grabPixels();
         }
         catch (InterruptedException e)
         {
             System.err.println("interrupted waiting for pixels!");
             return;
         }
         if ((pg.getStatus() & ImageObserver.ABORT) != 0)
         {
             System.err.println("image fetch aborted or errored");
             return;
         }
         m_bGrabbed = true;
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         m_w = getWidth();
         m_h = getHeight();
     int x = 0;
     int y = 0;
         m_aPixels = new int[m_w * m_h];
         PixelGrabber pg = new PixelGrabber(m_aImage, x, y, m_w, m_h, m_aPixels, 0, m_w);
         try {
             pg.grabPixels();
         } catch (InterruptedException e) {
             System.err.println("interrupted waiting for pixels!");
             return;
         }
         if ((pg.getStatus() & ImageObserver.ABORT) != 0) {
             System.err.println("image fetch aborted or errored");
             return;
         }
         m_bGrabbed = true;
    }
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