There are 1 code examples for java.awt.geom.Line2D.Double.

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Project Name: jFreeChart Package: org.jfree.chart.plot

Source Code: MeterPlot.java (Click to view .java file)

Method Code:
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/** 
 * Draws a tick on the dial.
 * @param g2  the graphics device.
 * @param meterArea  the meter area.
 * @param value  the tick value.
 * @param label  a flag that controls whether or not a value label is drawn.
 */
protected void drawTick(Graphics2D g2,Rectangle2D meterArea,double value,boolean label){
  double valueAngle=valueToAngle(value);
  double meterMiddleX=meterArea.getCenterX();
  double meterMiddleY=meterArea.getCenterY();
  g2.setPaint(this.tickPaint);
  g2.setStroke(new BasicStroke(2.0f));
  double valueP2X=0;
  double valueP2Y=0;
  double radius=(meterArea.getWidth() / 2) + DEFAULT_BORDER_SIZE;
  double radius1=radius - 15;
  double valueP1X=meterMiddleX + (radius * Math.cos(Math.PI * (valueAngle / 180)));
  double valueP1Y=meterMiddleY - (radius * Math.sin(Math.PI * (valueAngle / 180)));
  valueP2X=meterMiddleX + (radius1 * Math.cos(Math.PI * (valueAngle / 180)));
  valueP2Y=meterMiddleY - (radius1 * Math.sin(Math.PI * (valueAngle / 180)));
  Line2D.Double line=new Line2D.Double(valueP1X,valueP1Y,valueP2X,valueP2Y);
  g2.draw(line);
  if (this.tickLabelsVisible && label) {
    String tickLabel=this.tickLabelFormat.format(value);
    g2.setFont(this.tickLabelFont);
    g2.setPaint(this.tickLabelPaint);
    FontMetrics fm=g2.getFontMetrics();
    Rectangle2D tickLabelBounds=TextUtilities.getTextBounds(tickLabel,g2,fm);
    double x=valueP2X;
    double y=valueP2Y;
    if (valueAngle == 90 || valueAngle == 270) {
      x=x - tickLabelBounds.getWidth() / 2;
    }
 else     if (valueAngle < 90 || valueAngle > 270) {
      x=x - tickLabelBounds.getWidth();
    }
    if ((valueAngle > 135 && valueAngle < 225) || valueAngle > 315 || valueAngle < 45) {
      y=y - tickLabelBounds.getHeight() / 2;
    }
 else {
      y=y + tickLabelBounds.getHeight() / 2;
    }
    g2.drawString(tickLabel,(float)x,(float)y);
  }
}