protected void paintComponent(Graphics g) {
   super.paintComponent(g);
   Graphics2D g2 = (Graphics2D) g;
   g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
   int w = getWidth();
   int h = getHeight();
   // Draw ordinate.
   g2.draw(new Line2D.Double(Points, Points, Points, h - Points));
   // Draw abcissa.
   g2.draw(new Line2D.Double(Points, h - Points, w - Points, h - Points));
   // Draw labels.
   Font font = g2.getFont();
   FontRenderContext frc = g2.getFontRenderContext();
   LineMetrics lm = font.getLineMetrics("0", frc);
   float sh = lm.getAscent() + lm.getDescent();
   // Ordinate label.
   String s = "Strecke";
   float sy = Points + ((h - 2 * Points) - s.length() * sh) / 2 + lm.getAscent();
   for (int i = 0; i < s.length(); i++) {
     String letter = String.valueOf(s.charAt(i));
     float sw = (float) font.getStringBounds(letter, frc).getWidth();
     float sx = (Points - sw) / 2;
     g2.drawString(letter, sx, sy);
     sy += sh;
   }
   // Abcissa label.
   s = "Datum";
   sy = h - Points + (Points - sh) / 2 + lm.getAscent();
   float sw = (float) font.getStringBounds(s, frc).getWidth();
   float sx = (w - sw) / 2;
   g2.drawString(s, sx, sy);
   // Draw lines.
   double xInc = (double) (w - 2 * Points) / (data.length - 1);
   double scale = (double) (h - 2 * Points) / getMax();
   g2.setPaint(Color.green.darker());
   for (int i = 0; i < data.length - 1; i++) {
     double x1 = Points + i * xInc;
     double y1 = h - Points - scale * data[i];
     double x2 = Points + (i + 1) * xInc;
     double y2 = h - Points - scale * data[i + 1];
     g2.draw(new Line2D.Double(x1, y1, x2, y2));
   }
   // Mark data points.
   g2.setPaint(Color.red);
   for (int i = 0; i < data.length; i++) {
     double x = Points + i * xInc;
     double y = h - Points - scale * data[i];
     g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
   }
 }
示例#2
0
 /**
  * Overrides Step draw method.
  *
  * @param panel the drawing panel requesting the drawing
  * @param _g the graphics context on which to draw
  */
 public void draw(DrawingPanel panel, Graphics _g) {
   if (track.trackerPanel == panel) {
     AutoTracker autoTracker = track.trackerPanel.getAutoTracker();
     if (autoTracker.isInteracting(track)) return;
   }
   if (panel instanceof TrackerPanel) {
     TrackerPanel trackerPanel = (TrackerPanel) panel;
     super.draw(trackerPanel, _g);
     Graphics2D g = (Graphics2D) _g;
     if (isLabelVisible()) {
       TextLayout layout = textLayouts.get(trackerPanel);
       if (layout == null) return;
       Point p = getLayoutPosition(trackerPanel);
       Paint gpaint = g.getPaint();
       Font gfont = g.getFont();
       g.setPaint(footprint.getColor());
       g.setFont(textLayoutFont);
       layout.draw(g, p.x, p.y);
       g.setPaint(gpaint);
       g.setFont(gfont);
     }
   }
 }
  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);
  }
示例#4
0
  protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    int w = getWidth();
    int h = getHeight();
    double xScale = (w - 2 * PAD) / (xMax - xMin);
    double yScale = (h - 2 * PAD) / (yMax - yMin);
    if (firstTime) System.out.printf("xScale = %.1f  yScale = %.1f%n", xScale, yScale);
    Point2D.Double origin = new Point2D.Double(); // Axes origin.
    Point2D.Double offset = new Point2D.Double(); // Locate data.
    if (xMax < 0) {
      origin.x = w - PAD;
      offset.x = origin.x - xScale * xMax;
    } else if (xMin < 0) {
      origin.x = PAD - xScale * xMin;
      offset.x = origin.x;
    } else {
      origin.x = PAD;
      offset.x = PAD - xScale * xMin;
    }
    if (yMax < 0) {
      origin.y = h - PAD;
      offset.y = origin.y - yScale * yMax;
    } else if (yMin < 0) {
      origin.y = PAD - yScale * yMin;
      offset.y = origin.y;
    } else {
      origin.y = PAD;
      offset.y = PAD - yScale * yMin;
    }
    if (firstTime) {
      System.out.printf("origin = [%6.1f, %6.1f]%n", origin.x, origin.y);
      System.out.printf("offset = [%6.1f, %6.1f]%n", offset.x, offset.y);
    }

    // Draw abcissa.
    g2.draw(new Line2D.Double(PAD, origin.y, w - PAD, origin.y));
    // Draw ordinate.
    g2.draw(new Line2D.Double(origin.x, PAD, origin.x, h - PAD));
    g2.setPaint(Color.red);
    // Mark origin.
    g2.fill(new Ellipse2D.Double(origin.x - 2, origin.y - 2, 4, 4));

    // Plot data.
    g2.setPaint(Color.blue);
    for (int i = 0; i < x.length; i++) {
      double x1 = offset.x + xScale * x[i];
      double y1 = offset.y + yScale * y[i];
      if (firstTime) System.out.printf("i = %d  x1 = %6.1f  y1 = %.1f%n", i, x1, y1);
      g2.fill(new Ellipse2D.Double(x1 - 2, y1 - 2, 4, 4));
      g2.drawString(String.valueOf(i), (float) x1 + 3, (float) y1 - 3);
    }

    // Draw extreme data values.
    g2.setPaint(Color.black);
    Font font = g2.getFont();
    FontRenderContext frc = g2.getFontRenderContext();
    LineMetrics lm = font.getLineMetrics("0", frc);
    String s = String.format("%.1f", xMin);
    float width = (float) font.getStringBounds(s, frc).getWidth();
    double x = offset.x + xScale * xMin;
    g2.drawString(s, (float) x, (float) origin.y + lm.getAscent());
    s = String.format("%.1f", xMax);
    width = (float) font.getStringBounds(s, frc).getWidth();
    x = offset.x + xScale * xMax;
    g2.drawString(s, (float) x - width, (float) origin.y + lm.getAscent());
    s = String.format("%.1f", yMin);
    width = (float) font.getStringBounds(s, frc).getWidth();
    double y = offset.y + yScale * yMin;
    g2.drawString(s, (float) origin.x + 1, (float) y + lm.getAscent());
    s = String.format("%.1f", yMax);
    width = (float) font.getStringBounds(s, frc).getWidth();
    y = offset.y + yScale * yMax;
    g2.drawString(s, (float) origin.x + 1, (float) y);
    if (firstTime) System.out.println("------------------------------");
    firstTime = false;
  }
示例#5
0
 // also clip, transform, composite,
 // public boolean isOpaque(){return false;}//theOpaque!=null&&theOpaque;}
 // ---------------------------------------------------------
 private void doPaint(Graphics2D g, int s, Object o) {
   // process an operation from the buffer
   // System.out.println(s);
   Object o1 = null,
       o2 = null,
       o3 = null,
       o4 = null,
       o5 = null,
       o6 = null,
       o7 = null,
       o8 = null,
       o9 = null,
       o10 = null,
       o11 = null;
   if (o instanceof Object[]) {
     Object[] a = (Object[]) o;
     if (a.length > 0) o1 = a[0];
     if (a.length > 1) o2 = a[1];
     if (a.length > 2) o3 = a[2];
     if (a.length > 3) o4 = a[3];
     if (a.length > 4) o5 = a[4];
     if (a.length > 5) o6 = a[5];
     if (a.length > 6) o7 = a[6];
     if (a.length > 7) o8 = a[7];
     if (a.length > 8) o9 = a[8];
     if (a.length > 9) o10 = a[9];
     if (a.length > 10) o11 = a[10];
   }
   switch (s) {
     case clear:
       paintBackground(g, theBackground);
       break;
       // public void addRenderingHints(Map<?,?> hints)
       // {toBuffer("addRenderingHints",hints );}
     case addRenderingHints:
       g.addRenderingHints((Map<?, ?>) o);
       break;
     case clip1:
       g.clip((Shape) o);
       break;
     case draw1:
       g.draw((Shape) o);
       break;
     case draw3DRect:
       g.draw3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
       break;
     case drawGlyphVector:
       g.drawGlyphVector((GlyphVector) o1, (Float) o2, (Float) o3);
       break;
     case drawImage1:
       g.drawImage((BufferedImage) o1, (BufferedImageOp) o2, (Integer) o3, (Integer) o4);
       break;
     case drawImage2:
       g.drawImage((Image) o1, (AffineTransform) o2, (ImageObserver) o3);
       break;
     case drawRenderableImage:
       g.drawRenderableImage((RenderableImage) o1, (AffineTransform) o2);
       break;
     case drawRenderedImage:
       g.drawRenderedImage((RenderedImage) o1, (AffineTransform) o2);
       break;
     case drawString1:
       g.drawString((AttributedCharacterIterator) o1, (Float) o2, (Float) o3);
       break;
     case drawString2:
       g.drawString((AttributedCharacterIterator) o1, (Integer) o2, (Integer) o3);
       break;
     case drawString3:
       g.drawString((String) o1, (Float) o2, (Float) o3);
       break;
     case drawString4:
       g.drawString((String) o1, (Integer) o2, (Integer) o3);
       break;
     case fill:
       g.fill((Shape) o);
       break;
     case fill3DRect:
       g.fill3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
       break;
     case rotate1:
       g.rotate((Double) o);
       break;
     case rotate2:
       g.rotate((Double) o1, (Double) o2, (Double) o3);
       break;
     case scale1:
       g.scale((Double) o1, (Double) o2);
       break;
     case setBackground:
       g.setBackground(
           (Color) o); // paintBackground(g,(Color)o); /*super.setBackground((Color)o) ;*/
       break;
     case setComposite:
       g.setComposite((Composite) o);
       break;
     case setPaint:
       g.setPaint((Paint) o);
       break;
     case setRenderingHint:
       g.setRenderingHint((RenderingHints.Key) o1, o2);
       break;
     case setRenderingHints:
       g.setRenderingHints((Map<?, ?>) o);
       break;
     case setStroke:
       g.setStroke((Stroke) o);
       break;
     case setTransform:
       g.setTransform(makeTransform(o));
       break;
     case shear:
       g.shear((Double) o1, (Double) o2);
       break;
     case transform1:
       g.transform(makeTransform(o));
       break;
     case translate1:
       g.translate((Double) o1, (Double) o2);
       break;
     case translate2:
       g.translate((Integer) o1, (Integer) o2);
       break;
     case clearRect:
       g.clearRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case copyArea:
       g.copyArea(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case drawArc:
       g.drawArc(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case drawBytes:
       g.drawBytes((byte[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
       break;
     case drawChars:
       g.drawChars((char[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
       break;
     case drawImage4:
       g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (Color) o4, (ImageObserver) o5);
       break;
     case drawImage5:
       g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (ImageObserver) o4);
       break;
     case drawImage6:
       g.drawImage(
           (Image) o1,
           (Integer) o2,
           (Integer) o3,
           (Integer) o4,
           (Integer) o5,
           (Color) o6,
           (ImageObserver) o7);
       break;
     case drawImage7:
       g.drawImage(
           (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (ImageObserver) o6);
       break;
     case drawImage8:
       g.drawImage(
           (Image) o1,
           (Integer) o2,
           (Integer) o3,
           (Integer) o4,
           (Integer) o5,
           (Integer) o6,
           (Integer) o7,
           (Integer) o8,
           (Integer) o9,
           (Color) o10,
           (ImageObserver) o11);
       break;
     case drawImage9:
       g.drawImage(
           (Image) o1,
           (Integer) o2,
           (Integer) o3,
           (Integer) o4,
           (Integer) o5,
           (Integer) o6,
           (Integer) o7,
           (Integer) o8,
           (Integer) o9,
           (ImageObserver) o10);
       break;
     case drawLine:
       g.drawLine((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case drawOval:
       g.drawOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case drawPolygon1:
       g.drawPolygon((int[]) o1, (int[]) o2, (Integer) o3);
       break;
     case drawPolygon2:
       g.drawPolygon((Polygon) o);
       break;
     case drawPolyline:
       g.drawPolyline((int[]) o1, (int[]) o2, (Integer) o3);
       break;
     case drawRect:
       g.drawRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case drawRoundRect:
       g.drawRoundRect(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case fillArc:
       g.fillArc(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case fillOval:
       g.fillOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
       // {toBuffer("fillPolygon",mkArg(xPoints,  yPoints, nPoints) );}
     case fillPolygon1:
       g.fillPolygon((int[]) o1, (int[]) o2, (Integer) o3);
       break;
     case fillPolygon2:
       g.fillPolygon((Polygon) o);
       break;
     case fillRect:
       g.fillRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case fillRoundRect:
       g.fillRoundRect(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case setClip1:
       g.setClip((Shape) o);
       break;
     case setColor:
       g.setColor((Color) o);
       break;
     case setFont:
       g.setFont((Font) o);
       break;
     case setPaintMode:
       g.setPaintMode();
       break;
     case setXORMode:
       g.setXORMode((Color) o);
       break;
     case opaque:
       super.setOpaque((Boolean) o);
       break;
     case drawOutline: // g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break;
       {
         FontRenderContext frc = g.getFontRenderContext();
         TextLayout tl = new TextLayout((String) o1, g.getFont(), frc);
         Shape s1 = tl.getOutline(null);
         AffineTransform af = g.getTransform();
         g.translate((Integer) o2, (Integer) o3);
         g.draw(s1);
         g.setTransform(af);
       }
       ;
       break;
     default:
       System.out.println("Unknown image operation " + s);
   }
 }