예제 #1
0
  public void generarFondo(Component componente) {
    boolean dibujarFondo = false;
    Rectangle med = this.getBounds();
    Rectangle areaDibujo = this.getBounds();
    BufferedImage tmp;
    GraphicsConfiguration gc =
        GraphicsEnvironment.getLocalGraphicsEnvironment()
            .getDefaultScreenDevice()
            .getDefaultConfiguration();

    if (Principal.fondoBlur) {
      dibujarFondo = true;
    }
    if (dibujarFondo) {
      JRootPane root = SwingUtilities.getRootPane(this);
      blurBuffer = GraphicsUtilities.createCompatibleImage(Principal.sysAncho, Principal.sysAlto);
      Graphics2D g2 = blurBuffer.createGraphics();
      g2.setClip(med);
      blurBuffer = blurBuffer.getSubimage(med.x, med.y, med.width, med.height);
      ((Escritorio) Principal.getEscritorio()).getFrameEscritorio().paint(g2);
      g2.dispose();
      backBuffer = blurBuffer;
      // blurBuffer = toGrayScale(blurBuffer);
      blurBuffer = GraphicsUtilities.createThumbnailFast(blurBuffer, getWidth() / 2);
      blurBuffer = new GaussianBlurFilter(4).filter(blurBuffer, null);
      g2 = (Graphics2D) blurBuffer.getGraphics();
      g2.setColor(new Color(0, 0, 0, 195));
      g2.fillRect(0, 0, Principal.sysAncho, Principal.sysAlto);
      listo = true;
    }
  }
예제 #2
0
  public static BufferedImage toGrayScale(BufferedImage image) {
    BufferedImage result =
        new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
    Raster raster = image.getData();
    WritableRaster grayRaster = result.getRaster();
    int height = raster.getHeight();
    int sample = 0;

    for (int x = 0; x < raster.getWidth(); ++x) {
      for (int y = 0; y < height; ++y) {

        sample = raster.getSample(x, y, 0) + raster.getSample(x, y, 1) + raster.getSample(x, y, 2);

        grayRaster.setSample(x, y, 0, (int) ((float) sample / 3.0));
      }
    }
    return result;
  }