Examples of PixelGrabber

com.jgraph.gaeawt.java.awt.image.PixelGrabber
java.awt.image.PixelGrabber
with the pixel as necessary... } public void handlepixels(Image img, int x, int y, int w, int h) { 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; } if ((pg.getStatus() & ImageObserver.ABORT) != 0) { System.err.println("image fetch aborted or errored"); return; } for (int j = 0; j < h; j++) { for (int i = 0; i < w; i++) { handlesinglepixel(x+i, y+j, pixels[j * w + i]); } } } @see ColorModel#getRGBdefault @version 1.27, 02/14/06 @author Jim Graham

Examples of java.awt.image.PixelGrabber

    g.drawString(text, 0, ascent);
  }


  private void rasterize(Platform3D platform, boolean antialias) {
    
    PixelGrabber pixelGrabber = new PixelGrabber(platform.imageOffscreen, 0, 0, 
                                                 mapWidth, height, true);
    try {
      pixelGrabber.grabPixels();
    } catch (InterruptedException e) {
      // impossible?
      return;
    }
    int pixels[] = (int[])pixelGrabber.getPixels();


    int bitmapSize = (size + 31) >> 5;
    bitmap = new int[bitmapSize];


    int offset, shifter;

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Examples of java.awt.image.PixelGrabber

    byte[] compressedLines;    // the resultant compressed lines
    int nCompressed;           // how big is the compressed area?


    //int depth;                 // color depth ( handle only 8 or 32 )


    PixelGrabber pg;


    bytesPerPixel = (encodeAlpha)
                    ? 4
                    : 3;


    Deflater scrunch = new Deflater(compressionLevel);
    ByteArrayOutputStream outBytes = new ByteArrayOutputStream(1024);


    DeflaterOutputStream compBytes = new DeflaterOutputStream(outBytes,
                                       scrunch);
    try {
      while (rowsLeft > 0) {
        nRows = Math.min(32767 / (width * (bytesPerPixel + 1)), rowsLeft);


        // nRows = rowsLeft;


        int[] pixels = new int[width * nRows];


        pg = new PixelGrabber(image, 0, startRow, width, nRows, pixels, 0,
            width);
        try {
          pg.grabPixels();
        } catch (Exception e) {
          System.err.println("interrupted waiting for pixels!");
          return false;
        }
        if ((pg.getStatus() & ImageObserver.ABORT) != 0) {
          System.err.println("image fetch aborted or errored");
          return false;
        }


        /*

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Examples of java.awt.image.PixelGrabber

        // Print the textarea to an image
        Image image = new BufferedImage(textArea.getSize().width, textArea.getSize().height, BufferedImage.TYPE_INT_RGB);
        textArea.printAll(image.getGraphics());


        // Grab appropriate pixels to get the color
        PixelGrabber pixelGrabber = new PixelGrabber(image, 5, 5, 1, 1, pixels, 0, 1);
        try {
            pixelGrabber.grabPixels();
            if (pixels[0] == -1) {
                return Color.WHITE; // System background not customized
            }
        } catch (InterruptedException e) {
            return getNonGTKProfilerResultsBackground();

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Examples of java.awt.image.PixelGrabber

     * @exception IOException
     *                If the image is unencodable due to failure of
     *                pixel-grabbing.
     */
    public DirectGif89Frame(final Image img) throws IOException {
        PixelGrabber pg = new PixelGrabber(img, 0, 0, -1, -1, true);


        String errmsg = null;
        try {
            if (!pg.grabPixels()) {
                errmsg = "can't grab pixels from image";
            }
        } catch (InterruptedException e) {
            errmsg = "interrupted grabbing pixels from image";
        }


        if (errmsg != null) {
            throw new IOException(errmsg + " (" + getClass().getName() + ")");
        }


        theWidth = pg.getWidth();
        theHeight = pg.getHeight();
        argbPixels = (int[]) pg.getPixels();
        ciPixels = new byte[argbPixels.length];
    }

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Examples of java.awt.image.PixelGrabber

     * @exception IOException
     *                If the image is unencodable due to failure of
     *                pixel-grabbing.
     */
    public DirectGif89Frame(final Image img) throws IOException {
        PixelGrabber pg = new PixelGrabber(img, 0, 0, -1, -1, true);


        String errmsg = null;
        try {
            if (!pg.grabPixels()) {
                errmsg = "can't grab pixels from image";
            }
        } catch (InterruptedException e) {
            errmsg = "interrupted grabbing pixels from image";
        }


        if (errmsg != null) {
            throw new IOException(errmsg + " (" + getClass().getName() + ")");
        }


        theWidth = pg.getWidth();
        theHeight = pg.getHeight();
        argbPixels = (int[]) pg.getPixels();
        ciPixels = new byte[argbPixels.length];
    }

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Examples of java.awt.image.PixelGrabber

        private int h, w, pixels[];
        public ImageInfo(Image img) throws InterruptedException {
            w = img.getWidth(null);
            h = img.getHeight(null);
            pixels = new int[w*h];
            PixelGrabber pg = new PixelGrabber(img, 0, 0, w, h, pixels, 0, w);
            pg.grabPixels();
        }

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Examples of java.awt.image.PixelGrabber

        private int h, w, pixels[];
        public ImageInfo(Image img) throws InterruptedException {
            w = img.getWidth(null);
            h = img.getHeight(null);
            pixels = new int[w*h];
            PixelGrabber pg = new PixelGrabber(img, 0, 0, w, h, pixels, 0, w);
            pg.grabPixels();
        }

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Examples of java.awt.image.PixelGrabber

  public boolean []downSample(int targetWidth,int targetHeight) {    
    final int w = this.entryImage.getWidth(this);
    final int h = this.entryImage.getHeight(this);
    boolean[] result = new boolean[targetWidth*targetHeight];


    final PixelGrabber grabber = new PixelGrabber(this.entryImage, 0, 0, w,
        h, true);
    try {


      grabber.grabPixels();
      this.pixelMap = (int[]) grabber.getPixels();
      findBounds(w, h);


      // now downsample


      this.ratioX = (double) (this.downSampleRight - this.downSampleLeft)

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Examples of java.awt.image.PixelGrabber


    processImage(image);


    final double[] result = new double[height * width * 3];


    final PixelGrabber grabber = new PixelGrabber(image, 0, 0,
        getImageWidth(), getImageHeight(), true);


    try {
      grabber.grabPixels();
    } catch (final InterruptedException e) {
      throw new EncogError(e);
    }


    setPixelMap((int[]) grabber.getPixels());


    // now downsample


    int index = 0;
    for (int y = 0; y < height; y++) {

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Examples of java.awt.image.PixelGrabber


    processImage(image);


    final double[] result = new double[height * width * 3];


    final PixelGrabber grabber = new PixelGrabber(image, 0, 0,
        this.imageWidth, this.imageWidth, true);


    try {
      grabber.grabPixels();
    } catch (final InterruptedException e) {
      throw new EncogError(e);
    }


    this.pixelMap = (int[]) grabber.getPixels();


    // now downsample


    this.ratioX = (double) (this.downSampleRight - this.downSampleLeft)
        / (double) width;

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