java.awt.geom.Ellipse2D源码实例Demo

类java.awt.geom.Ellipse2D源码实例Demo

下面列出了java.awt.geom.Ellipse2D 类实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。

源代码1 项目: ccu-historian   文件: MultiplePiePlot.java
/**
 * Creates a new plot.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public MultiplePiePlot(CategoryDataset dataset) {
    super();
    setDataset(dataset);
    PiePlot piePlot = new PiePlot(null);
    piePlot.setIgnoreNullValues(true);
    this.pieChart = new JFreeChart(piePlot);
    this.pieChart.removeLegend();
    this.dataExtractOrder = TableOrder.BY_COLUMN;
    this.pieChart.setBackgroundPaint(null);
    TextTitle seriesTitle = new TextTitle("Series Title",
            new Font("SansSerif", Font.BOLD, 12));
    seriesTitle.setPosition(RectangleEdge.BOTTOM);
    this.pieChart.setTitle(seriesTitle);
    this.aggregatedItemsKey = "Other";
    this.aggregatedItemsPaint = Color.lightGray;
    this.sectionPaints = new HashMap();
    this.legendItemShape = new Ellipse2D.Double(-4.0, -4.0, 8.0, 8.0);
}
 
public void drawCatchingEvent(int x, int y, int width, int height, Image image) {
  // event circles
  Ellipse2D outerCircle = new Ellipse2D.Double(x, y, width, height);
  int innerCircleX = x + 3;
  int innerCircleY = y + 3;
  int innerCircleWidth = width - 6;
  int innerCircleHeight = height - 6;
  Ellipse2D innerCircle = new Ellipse2D.Double(innerCircleX, innerCircleY, innerCircleWidth, innerCircleHeight);

  Paint originalPaint = g.getPaint();
  g.setPaint(BOUNDARY_EVENT_COLOR);
  g.fill(outerCircle);

  g.setPaint(originalPaint);
  g.draw(outerCircle);
  g.draw(innerCircle);

  g.drawImage(image, innerCircleX, innerCircleY, innerCircleWidth, innerCircleHeight, null);
}
 
源代码3 项目: openjdk-jdk9   文件: RenderTests.java
public void runTest(Object ctx, int numReps) {
    DrawEllipse2Ds.Context cctx = (DrawEllipse2Ds.Context) ctx;
    int size = cctx.size;
    int x = cctx.initX;
    int y = cctx.initY;
    Ellipse2D ellipse = cctx.ellipse;
    Graphics2D g2d = (Graphics2D) cctx.graphics;
    g2d.translate(cctx.orgX, cctx.orgY);
    Color rCArray[] = cctx.colorlist;
    int ci = cctx.colorindex;
    do {
        if (rCArray != null) {
            g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
        }
        ellipse.setFrame(x, y, size, size);
        g2d.draw(ellipse);
        if ((x -= 3) < 0) x += cctx.maxX;
        if ((y -= 1) < 0) y += cctx.maxY;
    } while (--numReps > 0);
    cctx.colorindex = ci;
    g2d.translate(-cctx.orgX, -cctx.orgY);
}
 
源代码4 项目: flowable-engine   文件: BpmnJsonConverterTest.java
@Test
public void testLineCircleIntersections() {
    // Arrange
    Path2D line = new Path2D.Double(Path2D.WIND_NON_ZERO, 3);
    line.moveTo(1, 10);
    line.lineTo(20 - 1, 10);
    line.lineTo(20 - 1 + SMALL_DELTA, 10 + SMALL_DELTA);
    line.closePath();
    Ellipse2D.Double circle = new Ellipse2D.Double(4, 8, 4, 4);

    // Act
    Area intersectionArea = new Area(line);
    intersectionArea.intersect(new Area(circle));

    // Assert
    assertThat(intersectionArea.isEmpty()).isFalse();
    Rectangle2D bounds2D = intersectionArea.getBounds2D();
    assertThat(bounds2D.getX()).isCloseTo(4d, offset(PRECISION));
    assertThat(bounds2D.getY()).isCloseTo(10d, offset(PRECISION));
    assertThat(bounds2D.getX() + bounds2D.getWidth()).isCloseTo(8d, offset(PRECISION));
    assertThat(bounds2D.getY() + bounds2D.getHeight()).isCloseTo(10d, offset(PRECISION));
}
 
源代码5 项目: blog-codes   文件: mxMarkerRegistry.java
public mxPoint paintMarker(mxGraphics2DCanvas canvas,
		mxCellState state, String type, mxPoint pe, double nx,
		double ny, double size, boolean source)
{
	double cx = pe.getX() - nx / 2;
	double cy = pe.getY() - ny / 2;
	double a = size / 2;
	Shape shape = new Ellipse2D.Double(cx - a, cy - a, size, size);

	if (mxUtils.isTrue(state.getStyle(), (source) ? "startFill" : "endFill", true))
	{
		canvas.fillShape(shape);
	}
	
	canvas.getGraphics().draw(shape);

	return new mxPoint(-nx / 2, -ny / 2);
}
 
源代码6 项目: astor   文件: MultiplePiePlot.java
/**
 * Creates a new plot.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public MultiplePiePlot(CategoryDataset dataset) {
    super();
    setDataset(dataset);
    PiePlot piePlot = new PiePlot(null);
    piePlot.setIgnoreNullValues(true);
    this.pieChart = new JFreeChart(piePlot);
    this.pieChart.removeLegend();
    this.dataExtractOrder = TableOrder.BY_COLUMN;
    this.pieChart.setBackgroundPaint(null);
    TextTitle seriesTitle = new TextTitle("Series Title",
            new Font("Tahoma", Font.BOLD, 12));
    seriesTitle.setPosition(RectangleEdge.BOTTOM);
    this.pieChart.setTitle(seriesTitle);
    this.aggregatedItemsKey = "Other";
    this.aggregatedItemsPaint = Color.lightGray;
    this.sectionPaints = new HashMap();
    this.legendItemShape = new Ellipse2D.Double(-4.0, -4.0, 8.0, 8.0);
}
 
源代码7 项目: energy2d   文件: Part.java
private boolean reflect(Ellipse2D.Float e, Discrete p, float predictedX, float predictedY, boolean scatter) {
	float a = e.width * 0.5f;
	float b = e.height * 0.5f;
	float x = e.x + a;
	float y = e.y + b;
	int polygonize = 50;
	float[] vx = new float[polygonize];
	float[] vy = new float[polygonize];
	float theta;
	float delta = (float) (2 * Math.PI / polygonize);
	for (int i = 0; i < polygonize; i++) {
		theta = -delta * i;
		vx[i] = (float) (x + a * Math.cos(theta));
		vy[i] = (float) (y + b * Math.sin(theta));
	}
	Line2D.Float line = new Line2D.Float();
	for (int i = 0; i < polygonize - 1; i++) {
		line.setLine(vx[i], vy[i], vx[i + 1], vy[i + 1]);
		if (reflectFromLine(p, line, predictedX, predictedY, scatter, true))
			return true;
	}
	line.setLine(vx[polygonize - 1], vy[polygonize - 1], vx[0], vy[0]);
	if (reflectFromLine(p, line, predictedX, predictedY, scatter, true))
		return true;
	return false;
}
 
源代码8 项目: astor   文件: ShapeUtilities.java
/**
 * Tests two shapes for equality.  If both shapes are <code>null</code>,
 * this method will return <code>true</code>.
 * <p>
 * In the current implementation, the following shapes are supported:
 * <code>Ellipse2D</code>, <code>Line2D</code> and <code>Rectangle2D</code>
 * (implicit).
 *
 * @param s1  the first shape (<code>null</code> permitted).
 * @param s2  the second shape (<code>null</code> permitted).
 *
 * @return A boolean.
 */
public static boolean equal(Shape s1, Shape s2) {
    if (s1 instanceof Line2D && s2 instanceof Line2D) {
        return equal((Line2D) s1, (Line2D) s2);
    }
    else if (s1 instanceof Ellipse2D && s2 instanceof Ellipse2D) {
        return equal((Ellipse2D) s1, (Ellipse2D) s2);
    }
    else if (s1 instanceof Arc2D && s2 instanceof Arc2D) {
        return equal((Arc2D) s1, (Arc2D) s2);
    }
    else if (s1 instanceof Polygon && s2 instanceof Polygon) {
        return equal((Polygon) s1, (Polygon) s2);
    }
    else if (s1 instanceof GeneralPath && s2 instanceof GeneralPath) {
        return equal((GeneralPath) s1, (GeneralPath) s2);
    }
    else {
        // this will handle Rectangle2D...
        return ObjectUtilities.equal(s1, s2);
    }
}
 
源代码9 项目: pumpernickel   文件: CurvedPolylineCreationUI.java
private Selection getSelection(MouseEvent evt)
		throws NoninvertibleTransformException {
	ShapeCreationPanel scp = (ShapeCreationPanel) evt.getComponent();
	AffineTransform tx = scp.getTransform();
	double r = scp.getHandleSize() / 2;
	Point2D mouseLoc = new Point2D.Float(evt.getX(), evt.getY());
	CurvedPolyline[] shapes = getMirror(scp);
	for (int shapeIndex = 0; shapeIndex < shapes.length; shapeIndex++) {
		if (scp.getHandlesActive().supports(scp, shapeIndex)) {
			for (int b = shapes[shapeIndex].getPointCount() - 1; b >= 0; b--) {
				Point2D p = tx.transform(
						shapes[shapeIndex].getPoint(b), null);
				Ellipse2D e = new Ellipse2D.Double(p.getX() - r,
						p.getY() - r, 2 * r, 2 * r);
				if (e.contains(mouseLoc))
					return new Selection(shapeIndex, b, null);
			}
		}
	}
	return getSelectedShape(scp, evt.getPoint());
}
 
源代码10 项目: openjdk-8   文件: RenderTests.java
public void runTest(Object ctx, int numReps) {
    FillEllipse2Ds.Context cctx = (FillEllipse2Ds.Context) ctx;
    int size = cctx.size;
    int x = cctx.initX;
    int y = cctx.initY;
    Ellipse2D ellipse = cctx.ellipse;
    Graphics2D g2d = (Graphics2D) cctx.graphics;
    g2d.translate(cctx.orgX, cctx.orgY);
    Color rCArray[] = cctx.colorlist;
    int ci = cctx.colorindex;
    do {
        if (rCArray != null) {
            g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
        }
        ellipse.setFrame(x, y, size, size);
        g2d.fill(ellipse);
        if ((x -= 3) < 0) x += cctx.maxX;
        if ((y -= 1) < 0) y += cctx.maxY;
    } while (--numReps > 0);
    cctx.colorindex = ci;
    g2d.translate(-cctx.orgX, -cctx.orgY);
}
 
源代码11 项目: openjdk-jdk8u   文件: RenderTests.java
public void runTest(Object ctx, int numReps) {
    FillEllipse2Ds.Context cctx = (FillEllipse2Ds.Context) ctx;
    int size = cctx.size;
    int x = cctx.initX;
    int y = cctx.initY;
    Ellipse2D ellipse = cctx.ellipse;
    Graphics2D g2d = (Graphics2D) cctx.graphics;
    g2d.translate(cctx.orgX, cctx.orgY);
    Color rCArray[] = cctx.colorlist;
    int ci = cctx.colorindex;
    do {
        if (rCArray != null) {
            g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
        }
        ellipse.setFrame(x, y, size, size);
        g2d.fill(ellipse);
        if ((x -= 3) < 0) x += cctx.maxX;
        if ((y -= 1) < 0) y += cctx.maxY;
    } while (--numReps > 0);
    cctx.colorindex = ci;
    g2d.translate(-cctx.orgX, -cctx.orgY);
}
 
源代码12 项目: workcraft   文件: VisualPlaceNode.java
@Override
public void draw(DrawRequest r) {
    Graphics2D g = r.getGraphics();

    Shape shape = new Ellipse2D.Double(
            -getSize() / 2 + getStrokeWidth() / 2,
            -getSize() / 2 + getStrokeWidth() / 2,
            getSize() - getStrokeWidth(),
            getSize() - getStrokeWidth());

    g.setColor(ColorUtils.colorise(getFillColor(), r.getDecoration().getBackground()));
    g.fill(shape);
    g.setColor(ColorUtils.colorise(getForegroundColor(), r.getDecoration().getColorisation()));
    g.setStroke(new BasicStroke((float) getStrokeWidth()));
    g.draw(shape);

    drawToken(r);
    drawErrorInLocalSpace(r);
    drawDurationInLocalSpace(r);
    drawLabelInLocalSpace(r);
    drawNameInLocalSpace(r);
}
 
源代码13 项目: SIMVA-SoS   文件: DialCap.java
/**
 * 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).
 */
@Override
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);

}
 
源代码14 项目: buffer_bci   文件: StandardDialFrame.java
/**
 * 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).
 */
@Override
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);
}
 
源代码15 项目: CSSBox   文件: GraphicsRenderer.java
/**
 * Draws a bullet or text marker
 */
protected void drawListBullet(ListItemBox elem, Graphics2D g)
{
    final VisualContext ctx = elem.getVisualContext();
    float x = elem.getAbsoluteContentX() - 1.2f * ctx.getEm();
    float y = elem.getAbsoluteContentY() + 0.5f * ctx.getEm();
    float r = 0.4f * ctx.getEm();
    if (elem.getStyleType() == CSSProperty.ListStyleType.CIRCLE) 
        g.draw(new Ellipse2D.Float(x, y, r, r));
    else if (elem.getStyleType() == CSSProperty.ListStyleType.SQUARE) 
        g.fill(new Rectangle2D.Float(x, y, r, r));
    else if (elem.getStyleType() == CSSProperty.ListStyleType.DISC)
        g.fill(new Ellipse2D.Float(x, y, r, r));
    else if (elem.getStyleType() != CSSProperty.ListStyleType.NONE)
        drawListTextMarker(elem, g, elem.getMarkerText());
}
 
源代码16 项目: triplea   文件: MapRouteDrawer.java
/**
 * Draws Points on the Map.
 *
 * @param graphics The {@linkplain Graphics2D} Object being drawn on
 * @param points The {@linkplain Point2D} array aka the "Joints" to be drawn
 */
private void drawJoints(final Graphics2D graphics, final Point2D[] points) {
  final int jointsize = 10;
  // If the points array is bigger than 1 the last joint should not be drawn (draw an arrow
  // instead)
  final Point2D[] newPoints =
      points.length > 1 ? Arrays.copyOf(points, points.length - 1) : points;
  for (final Point2D[] joints : routeCalculator.getAllPoints(newPoints)) {
    for (final Point2D p : joints) {
      final Ellipse2D circle =
          new Ellipse2D.Double(jointsize / -2.0, jointsize / -2.0, jointsize, jointsize);
      final AffineTransform ellipseTransform = getDrawingTransform();
      ellipseTransform.translate(p.getX(), p.getY());
      graphics.fill(ellipseTransform.createTransformedShape(circle));
    }
  }
}
 
源代码17 项目: java-swing-tips   文件: MainPanel.java
public static Image makeImage(int size, Color color) {
  // BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
  BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
  Graphics2D g2 = image.createGraphics();
  g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  g2.setPaint(color);
  g2.fill(new Ellipse2D.Double(0d, 0d, size - 1d, size - 1d));
  FontRenderContext frc = g2.getFontRenderContext();
  Font font = g2.getFont().deriveFont(AffineTransform.getScaleInstance(.8, 1d));
  Shape s = new TextLayout(Integer.toString(size), font, frc).getOutline(null);
  g2.setPaint(Color.BLACK);
  Rectangle r = s.getBounds();
  double cx = size / 2d - r.getCenterX();
  double cy = size / 2d - r.getCenterY();
  AffineTransform toCenterAtf = AffineTransform.getTranslateInstance(cx, cy);
  g2.fill(toCenterAtf.createTransformedShape(s));
  g2.dispose();
  return image;
}
 
public void drawNoneEndEvent(GraphicInfo graphicInfo, double scaleFactor) {
  Paint originalPaint = g.getPaint();
  Stroke originalStroke = g.getStroke();
  g.setPaint(EVENT_COLOR);
  Ellipse2D circle = new Ellipse2D.Double(graphicInfo.getX(), graphicInfo.getY(), 
      graphicInfo.getWidth(), graphicInfo.getHeight());
  g.fill(circle);
  g.setPaint(EVENT_BORDER_COLOR);
  if (scaleFactor == 1.0) {
    g.setStroke(END_EVENT_STROKE);
  } else {
    g.setStroke(new BasicStroke(2.0f));
  }
  g.draw(circle);
  g.setStroke(originalStroke);
  g.setPaint(originalPaint);
}
 
源代码19 项目: openjdk-jdk8u   文件: ScaleTest.java
public static void main(String[] args) throws Exception {
  BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
  Graphics2D g = image.createGraphics();

  g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  g.setPaint(Color.WHITE);
  g.fill(new Rectangle(image.getWidth(), image.getHeight()));
  g.scale(.9, .9);
  g.setPaint(Color.BLACK);
  g.setStroke(new BasicStroke(0.5f));
  g.draw(new Ellipse2D.Double(25, 25, 150, 150));

  // To visually check it
  //ImageIO.write(image, "PNG", new File(args[0]));

  boolean nonWhitePixelFound = false;
  for (int x = 100; x < 200; ++x) {
    if (image.getRGB(x, 90) != Color.WHITE.getRGB()) {
      nonWhitePixelFound = true;
      break;
    }
  }
  if (!nonWhitePixelFound) {
    throw new RuntimeException("A circle is rendered like a 'C' shape.");
  }
}
 
源代码20 项目: coming   文件: Elixir_001_s.java
/**
 * Tests two shapes for equality.  If both shapes are <code>null</code>,
 * this method will return <code>true</code>.
 * <p>
 * In the current implementation, the following shapes are supported:
 * <code>Ellipse2D</code>, <code>Line2D</code> and <code>Rectangle2D</code>
 * (implicit).
 *
 * @param s1  the first shape (<code>null</code> permitted).
 * @param s2  the second shape (<code>null</code> permitted).
 *
 * @return A boolean.
 */
public static boolean equal(Shape s1, Shape s2) {
    if (s1 instanceof Line2D && s2 instanceof Line2D) {
        return equal((Line2D) s1, (Line2D) s2);
    }
    else if (s1 instanceof Ellipse2D && s2 instanceof Ellipse2D) {
        return equal((Ellipse2D) s1, (Ellipse2D) s2);
    }
    else if (s1 instanceof Arc2D && s2 instanceof Arc2D) {
        return equal((Arc2D) s1, (Arc2D) s2);
    }
    else if (s1 instanceof Polygon && s2 instanceof Polygon) {
        return equal((Polygon) s1, (Polygon) s2);
    }
    else if (s1 instanceof GeneralPath && s2 instanceof GeneralPath) {
        return equal((GeneralPath) s1, (GeneralPath) s2);
    }
    else {
        // this will handle Rectangle2D...
        return ObjectUtilities.equal(s1, s2);
    }
}
 
/**
 * Sets the parameters of this description object to match the supplied object.
 *
 * @param o
 *          the object (should be an instance of <code>Rectangle2D</code>).
 * @throws ObjectFactoryException
 *           if the object is not an instance of <code>Rectangle2D</code>.
 */
public void setParameterFromObject( final Object o ) throws ObjectFactoryException {
  if ( !( o instanceof Ellipse2D ) ) {
    throw new ObjectFactoryException( "The given object is no java.awt.geom.Rectangle2D." );
  }

  final Ellipse2D rect = (Ellipse2D) o;
  final float x = (float) rect.getX();
  final float y = (float) rect.getY();
  final float w = (float) rect.getWidth();
  final float h = (float) rect.getHeight();

  setParameter( "x", new Float( x ) );
  setParameter( "y", new Float( y ) );
  setParameter( "width", new Float( w ) );
  setParameter( "height", new Float( h ) );
}
 
源代码22 项目: ccu-historian   文件: XYShapeRenderer.java
/**
 * Creates a new <code>XYShapeRenderer</code> instance with default
 * attributes.
 */
public XYShapeRenderer() {
    this.paintScale = new LookupPaintScale();
    this.useFillPaint = false;
    this.drawOutlines = false;
    this.useOutlinePaint = true;
    this.guideLinesVisible = false;
    this.guideLinePaint = Color.darkGray;
    this.guideLineStroke = new BasicStroke();
    setBaseShape(new Ellipse2D.Double(-5.0, -5.0, 10.0, 10.0));
    setAutoPopulateSeriesShape(false);
}
 
源代码23 项目: pumpernickel   文件: MultiThumbSliderUI.java
@Override
public Shape getShape(float width, float height, boolean leftEdge,
		boolean rightEdge, boolean sharpEdgesHint) {
	Ellipse2D e = new Ellipse2D.Float(-width / 2f, -height / 2f,
			width, height);
	return e;
}
 
源代码24 项目: openstock   文件: XYBubbleRenderer.java
/**
 * Constructs a new renderer with the specified type of scaling.
 *
 * @param scaleType  the type of scaling (must be one of:
 *        {@link #SCALE_ON_BOTH_AXES}, {@link #SCALE_ON_DOMAIN_AXIS},
 *        {@link #SCALE_ON_RANGE_AXIS}).
 */
public XYBubbleRenderer(int scaleType) {
    super();
    if (scaleType < 0 || scaleType > 2) {
        throw new IllegalArgumentException("Invalid 'scaleType'.");
    }
    this.scaleType = scaleType;
    setBaseLegendShape(new Ellipse2D.Double(-4.0, -4.0, 8.0, 8.0));
}
 
源代码25 项目: ccu-historian   文件: DefaultPolarItemRenderer.java
/**
 * Draw the radial gridlines - the rings.
 *
 * @param g2  the drawing surface (<code>null</code> not permitted).
 * @param plot  the plot (<code>null</code> not permitted).
 * @param radialAxis  the radial axis (<code>null</code> not permitted).
 * @param ticks  the ticks (<code>null</code> not permitted).
 * @param dataArea  the data area.
 */
@Override
public void drawRadialGridLines(Graphics2D g2, PolarPlot plot, 
        ValueAxis radialAxis, List ticks, Rectangle2D dataArea) {

    ParamChecks.nullNotPermitted(radialAxis, "radialAxis");
    g2.setFont(radialAxis.getTickLabelFont());
    g2.setPaint(plot.getRadiusGridlinePaint());
    g2.setStroke(plot.getRadiusGridlineStroke());

    double centerValue;
    if (radialAxis.isInverted()) {
        centerValue = radialAxis.getUpperBound();
    } else {
        centerValue = radialAxis.getLowerBound();
    }
    Point center = plot.translateToJava2D(0, centerValue, radialAxis, dataArea);

    Iterator iterator = ticks.iterator();
    while (iterator.hasNext()) {
        NumberTick tick = (NumberTick) iterator.next();
        double angleDegrees = plot.isCounterClockwise() 
                ? plot.getAngleOffset() : -plot.getAngleOffset();
        Point p = plot.translateToJava2D(angleDegrees,
                tick.getNumber().doubleValue(), radialAxis, 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);
    }
}
 
源代码26 项目: coming   文件: Cardumen_00139_s.java
/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 
源代码27 项目: sis   文件: Shapes2D.java
/**
 * Returns a circle passing by the 3 given points.
 *
 * @param  P1  the first point.
 * @param  P2  the second point.
 * @param  P3  the third point.
 * @return a circle passing by the given points.
 */
public static Ellipse2D circle(final Point2D P1, final Point2D P2, final Point2D P3) {
    final Point2D.Double center = ShapeUtilities.circleCentre(P1.getX(), P1.getY(),
                                                              P2.getX(), P2.getY(),
                                                              P3.getX(), P3.getY());
    final double radius = center.distance(P2);
    return new Ellipse2D.Double(center.x - radius,
                                center.y - radius,
                                2*radius, 2*radius);
}
 
源代码28 项目: buffer_bci   文件: CompassPlot.java
/**
 * Constructs a new compass plot.
 *
 * @param dataset  the dataset for the plot (<code>null</code> permitted).
 */
public CompassPlot(ValueDataset dataset) {
    super();
    if (dataset != null) {
        this.datasets[0] = dataset;
        dataset.addChangeListener(this);
    }
    this.circle1 = new Ellipse2D.Double();
    this.circle2 = new Ellipse2D.Double();
    this.rect1   = new Rectangle2D.Double();
    setSeriesNeedle(0);
}
 
源代码29 项目: openjdk-jdk9   文件: TranslucentShapedFrameTest.java
private void shapedCbActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_shapedCbActionPerformed
    if (testFrame != null) {
        Shape s = null;
        if (shapedCb.isSelected()) {
            s = new Ellipse2D.Double(0, 0,
                                     testFrame.getWidth(),
                                     testFrame.getHeight());
        }
        testFrame.setShape(s);
    }
}
 
源代码30 项目: pumpernickel   文件: JFancyBox.java
public void paintIcon(Component c, Graphics g0, int x, int y) {
	Graphics2D g = (Graphics2D) g0.create();
	g.translate(x, y);
	g.scale(scaleFactor, scaleFactor);
	g.translate(shadowInset, shadowInset);

	g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
			RenderingHints.VALUE_ANTIALIAS_ON);
	g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
			RenderingHints.VALUE_STROKE_PURE);
	g.setColor(new Color(0, 0, 0, 20));
	Ellipse2D e = new Ellipse2D.Float(2, 2, 20, 20);
	AffineTransform tx = g.getTransform();
	for (int a = 0; a < shadowInset; a++) {
		g.setStroke(new BasicStroke(2f + 1.5f * a));
		g.translate(0, .5f);
		g.draw(e);
	}
	g.setTransform(tx);
	g.setColor(backgroundColor);
	g.fill(e);
	g.setColor(borderColor);
	g.setStroke(new BasicStroke(1.9f));
	g.draw(e);
	g.setStroke(new BasicStroke(2.5f));
	int k = 9;
	g.setColor(xColor);
	g.drawLine(k, k, 24 - k, 24 - k);
	g.drawLine(24 - k, k, k, 24 - k);
	g.dispose();
}
 
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