public void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    String message = "Hello, World!";

    Font f = new Font("Serif", Font.BOLD, 36);
    g2.setFont(f);

    FontRenderContext context = g2.getFontRenderContext();
    Rectangle2D bounds = f.getStringBounds(message, context);

    double x = (getWidth() - bounds.getWidth()) / 2;
    double y = (getHeight() - bounds.getHeight()) / 2;

    double ascent = -bounds.getY();
    double baseY = y + ascent;

    g2.drawString(message, (int) x, (int) baseY);

    g2.setPaint(Color.LIGHT_GRAY);

    g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));
    Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
    g2.draw(rect);
  }
 protected void drawText(Graphics2D g2) {
   // Find the bounds of the entire string.
   FontRenderContext frc = g2.getFontRenderContext();
   mLayout = new TextLayout(mMessage, mFont, frc);
   // Find the dimensions of this component.
   int width = getSize().width;
   int height = getSize().height;
   // Place the first full string, horizontally centered,
   //   at the bottom of the component.
   Rectangle2D bounds = mLayout.getBounds();
   double x = (width - bounds.getWidth()) / 2;
   double y = height - bounds.getHeight();
   drawString(g2, x, y, 0);
   // Now draw a second version, anchored to the right side
   //   of the component and rotated by -PI / 2.
   drawString(g2, width - bounds.getHeight(), y, -Math.PI / 2);
 }
Beispiel #3
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 /**
  * Gets the page count of this section.
  *
  * @param g2 the graphics context
  * @param pf the page format
  * @return the number of pages needed
  */
 public int getPageCount(Graphics2D g2, PageFormat pf) {
   if (message.equals("")) return 0;
   FontRenderContext context = g2.getFontRenderContext();
   Font f = new Font("Serif", Font.PLAIN, 72);
   Rectangle2D bounds = f.getStringBounds(message, context);
   scale = pf.getImageableHeight() / bounds.getHeight();
   double width = scale * bounds.getWidth();
   int pages = (int) Math.ceil(width / pf.getImageableWidth());
   return pages;
 }
Beispiel #4
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  public void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    String message = "Hello, World!";

    Font f = new Font("Serif", Font.BOLD, 36);
    g2.setFont(f);

    // measure the size of the message

    FontRenderContext context = g2.getFontRenderContext();
    Rectangle2D bounds = f.getStringBounds(message, context);

    // set (x,y) = top left corner of text

    double x = (getWidth() - bounds.getWidth()) / 2;
    double y = (getHeight() - bounds.getHeight()) / 2;

    // add ascent to y to reach the baseline

    double ascent = -bounds.getY();
    double baseY = y + ascent;

    // draw the message

    g2.drawString(message, (int) x, (int) baseY);

    g2.setPaint(Color.LIGHT_GRAY);

    // draw the baseline

    g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));

    // draw the enclosing rectangle

    Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
    g2.draw(rect);
  }
 protected float drawBoxedString(Graphics2D g2, String s, Color c1, Color c2, double x) {
   // Calculate the width of the string.
   FontRenderContext frc = g2.getFontRenderContext();
   TextLayout subLayout = new TextLayout(s, mFont, frc);
   float advance = subLayout.getAdvance();
   // Fill the background rectangle with a gradient.
   GradientPaint gradient = new GradientPaint((float) x, 0, c1, (float) (x + advance), 0, c2);
   g2.setPaint(gradient);
   Rectangle2D bounds = mLayout.getBounds();
   Rectangle2D back = new Rectangle2D.Double(x, 0, advance, bounds.getHeight());
   g2.fill(back);
   // Draw the string over the gradient rectangle.
   g2.setPaint(Color.white);
   g2.setFont(mFont);
   g2.drawString(s, (float) x, (float) -bounds.getY());
   return advance;
 }
Beispiel #6
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 @Override
 public Rectangle2D.Double getDrawingArea() {
   if (cachedDrawingArea == null) {
     Rectangle2D rx = getBounds();
     Rectangle2D.Double r =
         (rx instanceof Rectangle2D.Double)
             ? (Rectangle2D.Double) rx
             : new Rectangle2D.Double(rx.getX(), rx.getY(), rx.getWidth(), rx.getHeight());
     double g = SVGAttributeKeys.getPerpendicularHitGrowth(this);
     Geom.grow(r, g, g);
     if (TRANSFORM.get(this) == null) {
       cachedDrawingArea = r;
     } else {
       cachedDrawingArea = new Rectangle2D.Double();
       cachedDrawingArea.setRect(TRANSFORM.get(this).createTransformedShape(r).getBounds2D());
     }
   }
   return (Rectangle2D.Double) cachedDrawingArea.clone();
 }
Beispiel #7
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 /** Gets the drawing area without taking the decorator into account. */
 @Override
 protected Rectangle2D.Double getFigureDrawingArea() {
   if (getText() == null) {
     return getBounds();
   } else {
     TextLayout layout = getTextLayout();
     Rectangle2D.Double r =
         new Rectangle2D.Double(origin.x, origin.y, layout.getAdvance(), layout.getAscent());
     Rectangle2D lBounds = layout.getBounds();
     if (!lBounds.isEmpty() && !Double.isNaN(lBounds.getX())) {
       r.add(
           new Rectangle2D.Double(
               lBounds.getX() + origin.x,
               (lBounds.getY() + origin.y + layout.getAscent()),
               lBounds.getWidth(),
               lBounds.getHeight()));
     }
     // grow by two pixels to take antialiasing into account
     Geom.grow(r, 2d, 2d);
     return r;
   }
 }
Beispiel #8
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  @Override
  public void paintIcon(Component c, Graphics g, int x, int y) {
    Graphics2D g2 = (Graphics2D) g.create();
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.translate(x, y);

    g2.setStroke(new BasicStroke(BORDER_WIDTH));
    g2.setPaint(LINE_COLOR);
    g2.draw(BORDER);

    g2.setStroke(new BasicStroke(SLIT_WIDTH));
    g2.setColor(UIManager.getColor("Panel.background"));

    int n = SLIT_NUM + 1;
    int v = ICON_SIZE / n;
    int m = n * v;
    for (int i = 1; i < n; i++) {
      int a = i * v;
      g2.drawLine(a, 0, a, m);
      g2.drawLine(0, a, m, a);
    }

    // g2.drawLine(1 * v, 0 * v, 1 * v, 4 * v);
    // g2.drawLine(2 * v, 0 * v, 2 * v, 4 * v);
    // g2.drawLine(3 * v, 0 * v, 3 * v, 4 * v);
    // g2.drawLine(0 * v, 1 * v, 4 * v, 1 * v);
    // g2.drawLine(0 * v, 2 * v, 4 * v, 2 * v);
    // g2.drawLine(0 * v, 3 * v, 4 * v, 3 * v);

    g2.setPaint(LINE_COLOR);
    Rectangle2D b = ARROW.getBounds();
    Point2D p = new Point2D.Double(b.getX() + b.getWidth() / 2d, b.getY() + b.getHeight() / 2d);
    AffineTransform toCenterAT =
        AffineTransform.getTranslateInstance(ICON_SIZE / 2d - p.getX(), ICON_SIZE / 2d - p.getY());
    g2.fill(toCenterAT.createTransformedShape(ARROW));
    g2.dispose();
  }
  public void paintValue(Graphics g, Rectangle box) {
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(
        RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    double[] values = (double[]) getValue();
    StringBuilder s = new StringBuilder();
    for (int i = 0; i < 3; i++) {
      if (values.length > i) s.append(values[i]);
      if (values.length > i + 1) s.append(", ");
    }
    if (values.length > 3) s.append("...");

    g2.setPaint(Color.white);
    g2.fill(box);
    g2.setPaint(Color.black);
    FontRenderContext context = g2.getFontRenderContext();
    Rectangle2D stringBounds = g2.getFont().getStringBounds(s.toString(), context);
    double w = stringBounds.getWidth();
    double x = box.x;
    if (w < box.width) x += (box.width - w) / 2;
    double ascent = -stringBounds.getY();
    double y = box.y + (box.height - stringBounds.getHeight()) / 2 + ascent;
    g2.drawString(s.toString(), (float) x, (float) y);
  }
Beispiel #10
0
  /**
   * Overrides Step getMark method.
   *
   * @param trackerPanel the tracker panel
   * @return the mark
   */
  protected Mark getMark(TrackerPanel trackerPanel) {
    Mark mark = marks.get(trackerPanel);
    TPoint selection = null;
    if (mark == null) {
      selection = trackerPanel.getSelectedPoint();
      Point p = null; // draws this step as "selected" shape if not null
      valid = true; // true if step is not NaN
      for (int n = 0; n < points.length; n++) {
        if (!valid) continue;
        // determine if point is valid (ie not NaN)
        valid = valid && !Double.isNaN(points[n].getX()) && !Double.isNaN(points[n].getY());
        screenPoints[n] = points[n].getScreenPosition(trackerPanel);
        // step is "selected" if trackerPanel selectedPoint is position or selectedSteps contains
        // this step
        if (valid && (selection == points[n] || trackerPanel.selectedSteps.contains(this))) {
          p = screenPoints[n];
        }
      }
      if (p == null) {
        if (footprint instanceof PositionVectorFootprint) {
          twoPoints[0] = screenPoints[0];
          twoPoints[1] = trackerPanel.getSnapPoint().getScreenPosition(trackerPanel);
          mark = footprint.getMark(twoPoints);
        } else mark = footprint.getMark(screenPoints);
      } else {
        transform.setToTranslation(p.x, p.y);
        int scale = FontSizer.getIntegerFactor();
        if (scale > 1) {
          transform.scale(scale, scale);
        }
        final Color color = footprint.getColor();
        final Shape selectedShape = transform.createTransformedShape(selectionShape);
        mark =
            new Mark() {
              public void draw(Graphics2D g, boolean highlighted) {
                g.setRenderingHint(
                    RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
                Paint gpaint = g.getPaint();
                g.setPaint(color);
                g.fill(selectedShape);
                g.setPaint(gpaint);
              }

              public Rectangle getBounds(boolean highlighted) {
                return selectedShape.getBounds();
              }
            };
      }
      final Mark theMark = mark;
      mark =
          new Mark() {
            public void draw(Graphics2D g, boolean highlighted) {
              if (!valid) {
                return;
              }
              theMark.draw(g, highlighted);
            }

            public Rectangle getBounds(boolean highlighted) {
              return theMark.getBounds(highlighted);
            }
          };
      marks.put(trackerPanel, mark);
      // get new text layout
      String s = ""; // $NON-NLS-1$
      VideoClip clip = trackerPanel.getPlayer().getVideoClip();
      if (clip.getStepCount() != 1) {
        s += clip.frameToStep(getFrameNumber());
      }
      if (s.length() == 0) s = " "; // $NON-NLS-1$
      TextLayout layout = new TextLayout(s, textLayoutFont, frc);
      textLayouts.put(trackerPanel, layout);
      // get layout position (bottom left corner of text)
      p = getLayoutPosition(trackerPanel);
      Rectangle bounds = layoutBounds.get(trackerPanel);
      if (bounds == null) {
        bounds = new Rectangle();
        layoutBounds.put(trackerPanel, bounds);
      }
      Rectangle2D rect = layout.getBounds();
      // set bounds (top left corner and size)
      bounds.setRect(p.x, p.y - rect.getHeight(), rect.getWidth(), rect.getHeight());
    }
    return mark;
  }