/** Creates a new instance of IDEJRManFramebufferImpl */
  public IDEJRManFramebufferImpl(String name, BufferedImage image) {
    super("JRMan rendered: " + name, true, true, true, true);
    this.name = name;

    save.setEnabled(false);

    imagePanel.setImage(image);
    imagePanel.addToolbarAction(save);
    if (image.getType() == BufferedImage.TYPE_INT_ARGB
        || image.getType() == BufferedImage.TYPE_INT_ARGB_PRE) {
      imagePanel.setShowTransparencyPattern(true);
    }

    getRootPane().setDoubleBuffered(false);
    getContentPane().add(imagePanel);
    pack();

    ImageResource images = ImageResource.getInstance();

    // set the frame icon
    setFrameIcon(images.getJrMan());

    // add this to the IDE desktop
    MainMenuEventHandlers.getInstance(null)
        .getIdeInstance()
        .getWorkspaceDesktop()
        .addInternalFrame(this, true);
  }
Exemplo n.º 2
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  private void buildAccumulator(int r) {
    accImage = new BufferedImage(width, height, greyScale.getType());
    Graphics2D g = accImage.createGraphics();
    g.setColor(new Color(0, 0, 0, 0));
    g.fillRect(0, 0, width, height);
    g.dispose();
    int max = 0;

    double[] a = new double[1];
    for (int y = 0; y < height; ++y)
      for (int x = 0; x < width; ++x) {
        a[0] = acc[y * width + x][r - rmin] & 0xFF;
        accImage.getRaster().setPixel(x, y, a);
      }
    ImageIcon icon2 = new ImageIcon(accImage);
    lbl2.setIcon(icon2);
  }
Exemplo n.º 3
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  public void sobel() {
    sobel = new BufferedImage(width, height, filtered.getType());
    Graphics2D g = sobel.createGraphics();
    g.setColor(new Color(0, 0, 0, 0));
    g.fillRect(0, 0, width, height);
    g.dispose();

    int[] tmp = new int[1];
    sX = new double[height][width];
    sY = new double[height][width];
    double maxX = 0;
    double maxY = 0;
    for (int y = 1; y < height - 1; ++y)
      for (int x = 1; x < width - 1; ++x) {
        double Xvalue = 0;
        double Yvalue = 0;
        for (int j = -1; j <= 1; ++j)
          for (int i = -1; i <= 1; ++i) {

            Xvalue += GX[1 + j][1 + i] * filtered.getRaster().getPixel(x + i, y + j, tmp)[0];
            Yvalue += GY[1 + j][1 + i] * filtered.getRaster().getPixel(x + i, y + j, tmp)[0];
          }
        if (Xvalue > maxX) maxX = Xvalue;
        if (Yvalue > maxY) maxY = Yvalue;
        sX[y][x] = Xvalue;
        sY[y][x] = Yvalue;
      }

    for (int y = 1; y < height - 1; ++y)
      for (int x = 1; x < width - 1; ++x) {
        double[] a = {(Math.abs((sX[y][x] / maxX * 255)) + Math.abs((sY[y][x] / maxY) * 255))};
        // if (a[0] > 0) binary[y][x] = 1;
        // if (a[0] <= 0) binary[y][x] = 0;

        sobel.getRaster().setPixel(x, y, a);
      }
    ImageIcon icon2 = new ImageIcon(sobel);
    lbl2.setIcon(icon2);
  }
Exemplo n.º 4
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  /**
   * Loads PNG files and returns the result as an int[][]. The only PNG formats permitted are those
   * with up to 256 grays (including simple black and white) or indexed colors from an up to
   * 256-sized color table. Each integer value represents the gray level or the color table index
   * value of the pixel. The Y dimension is not flipped.
   */
  public static int[][] loadPNGFile(InputStream str) throws IOException {
    // read the bytes into a byte array
    BufferedInputStream stream = new BufferedInputStream(str);
    ArrayList list = new ArrayList();
    int count = 0;
    while (true) {
      byte[] buffer = new byte[16384 * 16];
      int len = stream.read(buffer);
      if (len <= 0) // all done
      break;
      else if (len < buffer.length) {
        byte[] buf2 = new byte[len];
        System.arraycopy(buffer, 0, buf2, 0, len);
        buffer = buf2;
      }
      count += len;
      list.add(buffer);
    }
    byte[] data = new byte[count];
    int cur = 0;
    for (int i = 0; i < list.size(); i++) {
      byte[] b = (byte[]) (list.get(i));
      System.arraycopy(b, 0, data, cur, b.length);
      cur += b.length;
    }

    // Next convert the byte array to a buffered image
    BufferedImage image = ((ToolkitImage) (new ImageIcon(data).getImage())).getBufferedImage();

    // Is the color model something we can use?
    int type = image.getType();
    if (type == BufferedImage.TYPE_BYTE_BINARY || type == BufferedImage.TYPE_BYTE_GRAY) {
      int w = image.getWidth();
      int h = image.getHeight();
      int[][] result = new int[w][h];
      // obviously this could be done more efficiently
      for (int i = 0; i < w; i++)
        for (int j = 0; j < h; j++) result[i][j] = (image.getRGB(i, j) & 0xFF);
      return result;
    } else if (type == BufferedImage.TYPE_BYTE_INDEXED) {
      Raster raster = image.getRaster();
      if (raster.getTransferType() != DataBuffer.TYPE_BYTE) // uh oh
      throw new IOException("Input Stream must contain an image with byte data if indexed.");
      byte[] pixel = new byte[1];
      int w = image.getWidth();
      int h = image.getHeight();
      int[][] result = new int[w][h];
      // obviously this could be done more efficiently
      for (int i = 0; i < w; i++)
        for (int j = 0; j < h; j++) {
          result[i][j] = ((byte[]) (raster.getDataElements(i, j, pixel)))[0];
          if (result[i][j] < 0) result[i][j] += 256;
        }
      return result;
    }
    // else if (type == TYPE_USHORT_GRAY)   // at present we don't handle shorts
    //    {
    //    }
    else
      throw new IOException(
          "Input Stream must contain a binary, byte-sized grayscale, or byte-sized indexed color scheme: "
              + image);
  }