Examples of java.awt.Graphics2D.rotate()

java.awt.Graphics2D.rotate()
Concatenates the current Graphics2D Transform with a rotation transform. Subsequent rendering is rotated by the specified radians relative to the previous origin. This is equivalent to calling transform(R), where R is an AffineTransform represented by the following matrix:
```
 [   cos(theta)    -sin(theta)    0   ] [   sin(theta)     cos(theta)    0   ] [       0              0         1   ] 
```
Rotating with a positive angle theta rotates points on the positive x axis toward the positive y axis. @param theta the angle of rotation in radians

              (imWidth - headHeight) / bds.getHeight());
          if (scale2 >= scale * 1.1) { // will rotate
            scale = scale2;
            if (imHeight > imWidth) { // portrait -> landscape
              g2.translate(0, imHeight);
              g2.rotate(-Math.PI / 2);
            } else { // landscape -> portrait
              g2.translate(imWidth, 0);
              g2.rotate(Math.PI / 2);
            }
            double t = imHeight;

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            if (imHeight > imWidth) { // portrait -> landscape
              g2.translate(0, imHeight);
              g2.rotate(-Math.PI / 2);
            } else { // landscape -> portrait
              g2.translate(imWidth, 0);
              g2.rotate(Math.PI / 2);
            }
            double t = imHeight;
            imHeight = imWidth;
            imWidth = t;
          }

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    g.translate(loc.getX(), loc.getY());
    double rotate = 0.0;
    if (facing != Direction.EAST && g instanceof Graphics2D) {
      rotate = -facing.toRadians();
      Graphics2D g2 = (Graphics2D) g;
      g2.rotate(rotate);
    }
    
    if (shape == AppPreferences.SHAPE_RECTANGULAR) {
      paintRectangular(painter, width, height);
    } else if (shape == AppPreferences.SHAPE_DIN40700) {

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      int y = bds.getY() + bds.getHeight() / 2;
      Graphics g = painter.getGraphics().create();
      double angle = Math.PI / 2 - (up.toRadians() - defaultFacing.toRadians()) - facing.toRadians();
      if (g instanceof Graphics2D && Math.abs(angle) > 0.01) {
        Graphics2D g2 = (Graphics2D) g;
        g2.rotate(angle, x, y);
      }
      g.setFont(font);
      if (lines == 1 && !backs) {
        GraphicsUtil.drawCenteredText(g, label, x, y);
      } else {

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    */
   @Override
   public void paint(Graphics g, JComponent c) {
      Graphics2D g2 = (Graphics2D) g.create();
      if (clockwise) {
         g2.rotate(Math.PI / 2, c.getSize().width / 2, c.getSize().width / 2);
      } else {
         g2.rotate(-Math.PI / 2, c.getSize().height / 2, c.getSize().height / 2);
      }
      super.paint(g2, c);
   }

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   public void paint(Graphics g, JComponent c) {
      Graphics2D g2 = (Graphics2D) g.create();
      if (clockwise) {
         g2.rotate(Math.PI / 2, c.getSize().width / 2, c.getSize().width / 2);
      } else {
         g2.rotate(-Math.PI / 2, c.getSize().height / 2, c.getSize().height / 2);
      }
      super.paint(g2, c);
   }


   /**

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        protected void paintComponent(Graphics g) {
          Graphics2D g2D = (Graphics2D) g;
          g2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
          g2D.translate(getWidth() / 2, getHeight() / 2);
          g2D.scale(getWidth() / 2, getWidth() / 2);
          g2D.rotate(Math.toRadians(controller.getNorthDirectionInDegrees()));
          // Draw a round arc
          g2D.setStroke(new BasicStroke(0.5f / getWidth()));
          g2D.draw(new Ellipse2D.Float(-0.7f, -0.7f, 1.4f, 1.4f));
          g2D.draw(new Line2D.Float(-0.85f, 0, -0.7f, 0));
          g2D.draw(new Line2D.Float(0.85f, 0, 0.7f, 0));

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            BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
        double angle = Math.atan2(scaleDistancePoints [1][1] - scaleDistancePoints [0][1], 
                    scaleDistancePoints [1][0] - scaleDistancePoints [0][0]);
        AffineTransform oldTransform2 = g2D.getTransform();
        g2D.translate(scaleDistancePoints [0][0], scaleDistancePoints [0][1]);
        g2D.rotate(angle);
        Shape endLine = new Line2D.Double(0, 5 / scale, 0, -5 / scale);
        g2D.draw(endLine);
        g2D.setTransform(oldTransform2);
        
        // Draw end point line

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        g2D.draw(endLine);
        g2D.setTransform(oldTransform2);
        
        // Draw end point line
        g2D.translate(scaleDistancePoints [1][0], scaleDistancePoints [1][1]);
        g2D.rotate(angle);
        g2D.draw(endLine);
        g2D.setTransform(oldTransform);
        g2D.setStroke(oldStroke);
      }
    }

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          List<Camera> cameraPath = controller.getCameraPath();
          for (int i = 0; i < cameraPath.size(); i++) {
            Camera camera = cameraPath.get(i);
            AffineTransform previousTransform = g2D.getTransform();
            g2D.translate(camera.getX(), camera.getY());
            g2D.rotate(camera.getYaw());
            // Paint camera location
            g2D.fill(ellipse);
            // Paint field of sight angle
            double sin = (float)Math.sin(camera.getFieldOfView() / 2);
            double cos = (float)Math.cos(camera.getFieldOfView() / 2);

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