There are 8 code examples for java.awt.geom.Ellipse2D.
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Project Name: jFreeChart Package: org.jfree.chart.needle
Source Code: MiddlePinNeedle.java (Click to view .java file)
Method Code:
/**
* Draws the needle.
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
protected void drawNeedle(Graphics2D g2,Rectangle2D plotArea,Point2D rotate,double angle){
Area shape;
GeneralPath pointer=new GeneralPath();
int minY=(int)(plotArea.getMinY());
int maxY=(int)(plotArea.getMaxY());
int midY=((maxY - minY) / 2) + minY;
int midX=(int)(plotArea.getMinX() + (plotArea.getWidth() / 2));
int lenX=(int)(plotArea.getWidth() / 10);
if (lenX < 2) {
lenX=2;
}
pointer.moveTo(midX - lenX,midY - lenX);
pointer.lineTo(midX + lenX,midY - lenX);
pointer.lineTo(midX,minY);
pointer.closePath();
lenX=4 * lenX;
Ellipse2D circle=new Ellipse2D.Double(midX - lenX / 2,midY - lenX,lenX,lenX);
shape=new Area(circle);
shape.add(new Area(pointer));
if ((rotate != null) && (angle != 0)) {
getTransform().setToRotation(angle,rotate.getX(),rotate.getY());
shape.transform(getTransform());
}
defaultDisplay(g2,shape);
}
Project Name: jFreeChart Package: org.jfree.chart.needle
Source Code: PinNeedle.java (Click to view .java file)
Method Code:
/**
* Draws the needle.
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
protected void drawNeedle(Graphics2D g2,Rectangle2D plotArea,Point2D rotate,double angle){
Area shape;
GeneralPath pointer=new GeneralPath();
int minY=(int)(plotArea.getMinY());
int maxY=(int)(plotArea.getMaxY());
int midX=(int)(plotArea.getMinX() + (plotArea.getWidth() / 2));
int lenX=(int)(plotArea.getWidth() / 10);
if (lenX < 2) {
lenX=2;
}
pointer.moveTo(midX - lenX,maxY - lenX);
pointer.lineTo(midX + lenX,maxY - lenX);
pointer.lineTo(midX,minY + lenX);
pointer.closePath();
lenX=4 * lenX;
Ellipse2D circle=new Ellipse2D.Double(midX - lenX / 2,plotArea.getMaxY() - lenX,lenX,lenX);
shape=new Area(circle);
shape.add(new Area(pointer));
if ((rotate != null) && (angle != 0)) {
getTransform().setToRotation(angle,rotate.getX(),rotate.getY());
shape.transform(getTransform());
}
defaultDisplay(g2,shape);
}
Project Name: jFreeChart Package: org.jfree.chart.plot
Source Code: CompassPlot.java (Click to view .java file)
Method Code:
/**
* Returns a clone of the plot.
* @return A clone.
* @throws CloneNotSupportedException this class will not throw this
* exception, but subclasses (if any) might.
*/
public Object clone() throws CloneNotSupportedException {
CompassPlot clone=(CompassPlot)super.clone();
if (this.circle1 != null) {
clone.circle1=(Ellipse2D)this.circle1.clone();
}
if (this.circle2 != null) {
clone.circle2=(Ellipse2D)this.circle2.clone();
}
if (this.a1 != null) {
clone.a1=(Area)this.a1.clone();
}
if (this.a2 != null) {
clone.a2=(Area)this.a2.clone();
}
if (this.rect1 != null) {
clone.rect1=(Rectangle2D)this.rect1.clone();
}
clone.datasets=(ValueDataset[])this.datasets.clone();
clone.seriesNeedle=(MeterNeedle[])this.seriesNeedle.clone();
for (int i=0; i < this.datasets.length; ++i) {
if (clone.datasets[i] != null) {
clone.datasets[i].addChangeListener(clone);
}
}
return clone;
}
Project Name: jFreeChart Package: org.jfree.chart.plot
Source Code: WaferMapPlot.java (Click to view .java file)
Method Code:
/**
* Draws the waferedge, including the notch.
* @param g2 the graphics device.
* @param plotArea the plot area.
*/
protected void drawWaferEdge(Graphics2D g2,Rectangle2D plotArea){
Ellipse2D waferEdge=getWaferEdge(plotArea);
g2.setColor(Color.black);
g2.draw(waferEdge);
Arc2D notch=null;
Rectangle2D waferFrame=waferEdge.getFrame();
double notchDiameter=waferFrame.getWidth() * 0.04;
if (this.orientation == PlotOrientation.HORIZONTAL) {
Rectangle2D notchFrame=new Rectangle2D.Double(waferFrame.getX() + waferFrame.getWidth() - (notchDiameter / 2),waferFrame.getY() + (waferFrame.getHeight() / 2) - (notchDiameter / 2),notchDiameter,notchDiameter);
notch=new Arc2D.Double(notchFrame,90d,180d,Arc2D.OPEN);
}
else {
Rectangle2D notchFrame=new Rectangle2D.Double(waferFrame.getX() + (waferFrame.getWidth() / 2) - (notchDiameter / 2),waferFrame.getY() + waferFrame.getHeight() - (notchDiameter / 2),notchDiameter,notchDiameter);
notch=new Arc2D.Double(notchFrame,0d,180d,Arc2D.OPEN);
}
g2.setColor(Color.white);
g2.fill(notch);
g2.setColor(Color.black);
g2.draw(notch);
}
Project Name: jFreeChart Package: org.jfree.chart.plot.dial
Source Code: DialCap.java (Click to view .java file)
Method Code:
/**
* Draws the background to the specified graphics device. If the dial
* frame specifies a window, the clipping region will already have been
* set to this window before this method is called.
* @param g2 the graphics device (<code>null</code> not permitted).
* @param plot the plot (ignored here).
* @param frame the dial frame (ignored here).
* @param view the view rectangle (<code>null</code> not permitted).
*/
public void draw(Graphics2D g2,DialPlot plot,Rectangle2D frame,Rectangle2D view){
g2.setPaint(this.fillPaint);
Rectangle2D f=DialPlot.rectangleByRadius(frame,this.radius,this.radius);
Ellipse2D e=new Ellipse2D.Double(f.getX(),f.getY(),f.getWidth(),f.getHeight());
g2.fill(e);
g2.setPaint(this.outlinePaint);
g2.setStroke(this.outlineStroke);
g2.draw(e);
}
Project Name: jFreeChart Package: org.jfree.chart.plot.dial
Source Code: StandardDialFrame.java (Click to view .java file)
Method Code:
/**
* Draws the frame. This method is called by the {@link DialPlot} class,
* you shouldn't need to call it directly.
* @param g2 the graphics target (<code>null</code> not permitted).
* @param plot the plot (<code>null</code> not permitted).
* @param frame the frame (<code>null</code> not permitted).
* @param view the view (<code>null</code> not permitted).
*/
public void draw(Graphics2D g2,DialPlot plot,Rectangle2D frame,Rectangle2D view){
Shape window=getWindow(frame);
Rectangle2D f=DialPlot.rectangleByRadius(frame,this.radius + 0.02,this.radius + 0.02);
Ellipse2D e=new Ellipse2D.Double(f.getX(),f.getY(),f.getWidth(),f.getHeight());
Area area=new Area(e);
Area area2=new Area(window);
area.subtract(area2);
g2.setPaint(this.backgroundPaint);
g2.fill(area);
g2.setStroke(this.stroke);
g2.setPaint(this.foregroundPaint);
g2.draw(window);
g2.draw(e);
}
Project Name: jFreeChart Package: org.jfree.chart.renderer
Source Code: DefaultPolarItemRenderer.java (Click to view .java file)
Method Code:
/**
* Draw the radial gridlines - the rings.
* @param g2 the drawing surface.
* @param plot the plot.
* @param radialAxis the radial axis.
* @param ticks the ticks.
* @param dataArea the data area.
*/
public void drawRadialGridLines(Graphics2D g2,PolarPlot plot,ValueAxis radialAxis,List ticks,Rectangle2D dataArea){
g2.setFont(radialAxis.getTickLabelFont());
g2.setPaint(plot.getRadiusGridlinePaint());
g2.setStroke(plot.getRadiusGridlineStroke());
double axisMin=radialAxis.getLowerBound();
Point center=plot.translateValueThetaRadiusToJava2D(axisMin,axisMin,dataArea);
Iterator iterator=ticks.iterator();
while (iterator.hasNext()) {
NumberTick tick=(NumberTick)iterator.next();
double angleDegrees=plot.isCounterClockwise() ? plot.getAngleOffset() : -plot.getAngleOffset();
Point p=plot.translateValueThetaRadiusToJava2D(angleDegrees,tick.getNumber().doubleValue(),dataArea);
int r=p.x - center.x;
int upperLeftX=center.x - r;
int upperLeftY=center.y - r;
int d=2 * r;
Ellipse2D ring=new Ellipse2D.Double(upperLeftX,upperLeftY,d,d);
g2.setPaint(plot.getRadiusGridlinePaint());
g2.draw(ring);
}
}
Project Name: jFreeChart Package: org.jfree.chart.renderer.category
Source Code: BoxAndWhiskerRenderer.java (Click to view .java file)
Method Code:
/**
* Draws two dots to represent the average value of more than one outlier.
* @param point the location
* @param boxWidth the box width.
* @param oRadius the radius.
* @param g2 the graphics device.
*/
private void drawMultipleEllipse(Point2D point,double boxWidth,double oRadius,Graphics2D g2){
Ellipse2D dot1=new Ellipse2D.Double(point.getX() - (boxWidth / 2) + oRadius,point.getY(),oRadius,oRadius);
Ellipse2D dot2=new Ellipse2D.Double(point.getX() + (boxWidth / 2),point.getY(),oRadius,oRadius);
g2.draw(dot1);
g2.draw(dot2);
}