Exemplo n.º 1
0
  /** store the given RenderingHints to a Properties object */
  public static void formatRenderingHints(RenderingHints rh, Properties preferences) {

    if (rh.get(RenderingHints.KEY_ANTIALIASING).equals(RenderingHints.VALUE_ANTIALIAS_ON))
      preferences.put("rendering.antialiasing", "on");
    else if (rh.get(RenderingHints.KEY_ANTIALIASING).equals(RenderingHints.VALUE_ANTIALIAS_OFF))
      preferences.put("rendering.antialiasing", "off");

    if (rh.get(RenderingHints.KEY_TEXT_ANTIALIASING).equals(RenderingHints.VALUE_TEXT_ANTIALIAS_ON))
      preferences.put("rendering.text-antialiasing", "on");
    else if (rh.get(RenderingHints.KEY_TEXT_ANTIALIASING)
        .equals(RenderingHints.VALUE_TEXT_ANTIALIAS_OFF))
      preferences.put("rendering.text-antialiasing", "off");

    if (rh.get(RenderingHints.KEY_RENDERING).equals(RenderingHints.VALUE_RENDER_SPEED))
      preferences.put("rendering.render", "speed");
    else if (rh.get(RenderingHints.KEY_RENDERING).equals(RenderingHints.VALUE_RENDER_QUALITY))
      preferences.put("rendering.render", "quality");

    if (rh.get(RenderingHints.KEY_DITHERING).equals(RenderingHints.VALUE_DITHER_ENABLE))
      preferences.put("rendering.dither", "on");
    else if (rh.get(RenderingHints.KEY_DITHERING).equals(RenderingHints.VALUE_DITHER_DISABLE))
      preferences.put("rendering.dither", "off");

    if (rh.get(RenderingHints.KEY_FRACTIONALMETRICS)
        .equals(RenderingHints.VALUE_FRACTIONALMETRICS_ON))
      preferences.put("rendering.fractional-metrics", "on");
    else if (rh.get(RenderingHints.KEY_FRACTIONALMETRICS)
        .equals(RenderingHints.VALUE_FRACTIONALMETRICS_OFF))
      preferences.put("rendering.fractional-metrics", "off");
  }
Exemplo n.º 2
0
 private RenderedOp createScaledImage(
     RenderedImage sourceImage, S2Resolution resolution, int level) {
   int sourceWidth = sourceImage.getWidth();
   int sourceHeight = sourceImage.getHeight();
   int targetWidth = imageLayouts[0].width >> level;
   int targetHeight = imageLayouts[0].height >> level;
   float scaleX = (float) targetWidth / (float) sourceWidth;
   float scaleY = (float) targetHeight / (float) sourceHeight;
   float corrFactorX = resolution == S2Resolution.R20M ? R20M_X_FACTOR : R60M_X_FACTOR;
   float corrFactorY = resolution == S2Resolution.R20M ? R20M_Y_FACTOR : R60M_Y_FACTOR;
   final Dimension tileDim = getTileDim(targetWidth, targetHeight);
   ImageLayout imageLayout = new ImageLayout();
   imageLayout.setTileWidth(tileDim.width);
   imageLayout.setTileHeight(tileDim.height);
   RenderingHints renderingHints =
       new RenderingHints(
           JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(BorderExtender.BORDER_ZERO));
   renderingHints.put(JAI.KEY_IMAGE_LAYOUT, imageLayout);
   RenderedOp scaledImage =
       ScaleDescriptor.create(
           sourceImage,
           scaleX * corrFactorX,
           scaleY * corrFactorY,
           0F,
           0F,
           Interpolation.getInstance(Interpolation.INTERP_NEAREST),
           renderingHints);
   if (scaledImage.getWidth() != targetWidth || scaledImage.getHeight() != targetHeight) {
     return CropDescriptor.create(
         scaledImage, 0.0F, 0.0F, (float) targetWidth, (float) targetHeight, null);
   } else {
     return scaledImage;
   }
 }
Exemplo n.º 3
0
  public void paintComponent(Graphics g) {
    super.paintComponent(g);

    Graphics2D g2d = (Graphics2D) g;
    RenderingHints rh = g2d.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2d.setRenderingHints(rh);

    // Background.
    D = this.getSize();
    g.setColor(backgroundColor);
    g.fillRect(0, 0, D.width, D.height);
    Graphics2D g2 = (Graphics2D) g;
    g2.setStroke(lineStroke);

    // Axes, bounding box.
    g.setColor(Color.gray);
    g.drawLine(inset, D.height - inset, D.width - inset, D.height - inset);
    g.drawLine(D.width - inset, inset, D.width - inset, D.height - inset);
    g.drawLine(inset, inset, inset, D.height - inset);
    g.drawLine(inset, inset, D.width - inset, inset);

    double xDelta = (maxX - minX) / numIntervals;

    // X-ticks and labels.
    for (int i = 1; i <= numIntervals; i++) {
      double xTickd = i * xDelta;
      int xTick = (int) (xTickd / (maxX - minX) * (D.width - 2 * inset));
      g.drawLine(inset + xTick, D.height - inset - 5, inset + xTick, D.height - inset + 5);
      double x = minX + i * xDelta;
      g.drawString(df.format(x), xTick + inset - 5, D.height - inset + 20);
    }

    // Y-ticks
    double yDelta = (maxY - minY) / numIntervals;
    for (int i = 0; i < numIntervals; i++) {
      int yTick = (i + 1) * (int) ((D.height - 2 * inset) / (double) numIntervals);
      g.drawLine(inset - 5, D.height - yTick - inset, inset + 5, D.height - yTick - inset);
      double y = minY + (i + 1) * yDelta;
      g.drawString(df.format(y), 1, D.height - yTick - inset);
    }

    // Zoom+move
    Font savedFont = g.getFont();
    g.setFont(plusFont);
    g.drawString("+", D.width - 25, 20);
    g.setFont(minusFont);
    g.drawString("-", D.width - 25, 50);
    drawArrow(g2d, D.width - 70, 20, D.width - 70, 0, 1.0f, lineStroke); // Up
    drawArrow(g2d, D.width - 70, 30, D.width - 70, 50, 1.0f, lineStroke); // Down
    drawArrow(g2d, D.width - 65, 25, D.width - 45, 25, 1.0f, lineStroke); // Right
    drawArrow(g2d, D.width - 75, 25, D.width - 95, 25, 1.0f, lineStroke); // Left
    g.setFont(savedFont);

    // See if standard axes are in the middle.
    g.setColor(Color.gray);
    if ((minX < 0) && (maxX > 0) && (drawMiddleAxes)) {
      // Draw y-axis
      int x = (int) ((0 - minX) / (maxX - minX) * (D.width - 2 * inset));
      g.drawLine(inset + x, D.height - inset, inset + x, inset);
    }
    if ((minY < 0) && (maxY > 0) && (drawMiddleAxes)) {
      // Draw x-axis
      int y = (int) ((0 - minY) / (maxY - minY) * (D.height - 2.0 * inset));
      g.drawLine(inset, D.height - y - inset, D.width - inset, D.height - y - inset);
    }

    // Draw the objects.
    drawObjects(g, points, lines, ovals, rectangles, images, labels, eqnLines);
    if (animationMode) {
      drawObjects(g, animPoints, animLines, animOvals, animRectangles, null, labels, eqnLines);
      // No images in animation mode.
    }

    drawScribbles(g);
  }
Exemplo n.º 4
0
  /** Returns a RenderingHints parsed from the given Properties */
  public static RenderingHints parseRenderingHints(Properties preferences) {

    RenderingHints rh = new RenderingHints(null);
    String str;
    str = preferences.getProperty("rendering.antialiasing");
    if (str != null) {
      if (str.equals("on"))
        rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
      else if (str.equals("off"))
        rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
    }
    str = preferences.getProperty("rendering.text-antialiasing");
    if (str != null) {
      if (str.equals("on"))
        rh.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
      else if (str.equals("off"))
        rh.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
    }
    str = preferences.getProperty("rendering.render");
    if (str != null) {
      if (str.equals("speed"))
        rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);
      else if (str.equals("quality"))
        rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    }
    str = preferences.getProperty("rendering.dither");
    if (str != null) {
      if (str.equals("on"))
        rh.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
      else if (str.equals("off"))
        rh.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE);
    }
    str = preferences.getProperty("rendering.fractional-metrics");
    if (str != null) {
      if (str.equals("on"))
        rh.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
      else if (str.equals("off"))
        rh.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_OFF);
    }
    return rh;
  }