Java Code Examples for java.awt.geom.Rectangle2D#getMaxY()

/**
 * Helper method which returns a value if it lies
 * inside the visible dataArea and otherwise the corresponding
 * coordinate on the border of the dataArea. The PlotOrientation
 * is taken into account.
 * Useful to avoid possible sun.dc.pr.PRException: endPath: bad path
 * which occurs when trying to draw lines/shapes which in large part
 * lie outside of the visible dataArea.
 *
 * @param value the value which shall be
 * @param dataArea  the area within which the data is being drawn.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @return <code>double</code> value inside the data area.
 */
protected static double restrictValueToDataArea(double value,
                                                XYPlot plot,
                                                Rectangle2D dataArea) {
    double min = 0;
    double max = 0;
    if (plot.getOrientation() == PlotOrientation.VERTICAL) {
        min = dataArea.getMinY();
        max = dataArea.getMaxY();
    }
    else if (plot.getOrientation() ==  PlotOrientation.HORIZONTAL) {
        min = dataArea.getMinX();
        max = dataArea.getMaxX();
    }
    if (value < min) {
        value = min;
    }
    else if (value > max) {
        value = max;
    }
    return value;
}
 

/**
 * Draws a range crosshair.
 * 
 * @param g2  the graphics target.
 * @param dataArea  the data area.
 * @param orientation  the plot orientation.
 * @param value  the crosshair value.
 * @param axis  the axis against which the value is measured.
 * @param stroke  the stroke used to draw the crosshair line.
 * @param paint  the paint used to draw the crosshair line.
 * 
 * @since 1.0.5
 */
protected void drawRangeCrosshair(Graphics2D g2, Rectangle2D dataArea, 
        PlotOrientation orientation, double value, ValueAxis axis, 
        Stroke stroke, Paint paint) {
    
    if (!axis.getRange().contains(value)) {
        return;
    }
    Line2D line = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        double xx = axis.valueToJava2D(value, dataArea, 
                RectangleEdge.BOTTOM);
        line = new Line2D.Double(xx, dataArea.getMinY(), xx, 
                dataArea.getMaxY());
    }
    else {
        double yy = axis.valueToJava2D(value, dataArea, 
                RectangleEdge.LEFT);
        line = new Line2D.Double(dataArea.getMinX(), yy, 
                dataArea.getMaxX(), yy);
    }
    g2.setStroke(stroke);
    g2.setPaint(paint);
    g2.draw(line);
   
}
 

/**
 * Draws a line perpendicular to the range axis.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param axis  the value axis.
 * @param dataArea  the area for plotting data (not yet adjusted for any 3D
 *                  effect).
 * @param value  the value at which the grid line should be drawn.
 * @param paint  the paint (<code>null</code> not permitted).
 * @param stroke  the stroke (<code>null</code> not permitted).
 *
 * @see #drawRangeGridline
 *
 * @since 1.0.13
 */
public void drawRangeLine(Graphics2D g2, CategoryPlot plot, ValueAxis axis,
        Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {

    Range range = axis.getRange();
    if (!range.contains(value)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    Line2D line = null;
    double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(v, dataArea.getMinY(), v,
                dataArea.getMaxY());
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(dataArea.getMinX(), v,
                dataArea.getMaxX(), v);
    }

    g2.setPaint(paint);
    g2.setStroke(stroke);
    g2.draw(line);

}
 

/**
 * Draws a line perpendicular to the range axis.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param axis  the value axis.
 * @param dataArea  the area for plotting data (not yet adjusted for any 3D
 *                  effect).
 * @param value  the value at which the grid line should be drawn.
 * @param paint  the paint (<code>null</code> not permitted).
 * @param stroke  the stroke (<code>null</code> not permitted).
 *
 * @see #drawRangeGridline
 *
 * @since 1.0.13
 */
public void drawRangeLine(Graphics2D g2, CategoryPlot plot, ValueAxis axis,
        Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {

    Range range = axis.getRange();
    if (!range.contains(value)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    Line2D line = null;
    double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(v, dataArea.getMinY(), v,
                dataArea.getMaxY());
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(dataArea.getMinX(), v,
                dataArea.getMaxX(), v);
    }

    g2.setPaint(paint);
    g2.setStroke(stroke);
    g2.draw(line);

}
 

/**
 * Draws a vertical line used to trace the mouse position to the horizontal
 * axis.
 *
 * @param g2 the graphics device.
 * @param x  the x-coordinate of the trace line.
 */
private void drawHorizontalAxisTrace(Graphics2D g2, int x) {

    Rectangle2D dataArea = getScreenDataArea();

    g2.setXORMode(Color.orange);
    if (((int) dataArea.getMinX() < x) && (x < (int) dataArea.getMaxX())) {

        if (this.verticalTraceLine != null) {
            g2.draw(this.verticalTraceLine);
            this.verticalTraceLine.setLine(x, (int) dataArea.getMinY(), x,
                    (int) dataArea.getMaxY());
        }
        else {
            this.verticalTraceLine = new Line2D.Float(x,
                    (int) dataArea.getMinY(), x, (int) dataArea.getMaxY());
        }
        g2.draw(this.verticalTraceLine);
    }

    // Reset to the default 'overwrite' mode
    g2.setPaintMode();
}
 

protected double labelLocationY(AxisLabelLocation location, 
        Rectangle2D dataArea) {
    if (location.equals(AxisLabelLocation.HIGH_END)) {
        return dataArea.getMinY();
    }
    if (location.equals(AxisLabelLocation.MIDDLE)) {
        return dataArea.getCenterY();
    }
    if (location.equals(AxisLabelLocation.LOW_END)) {
        return dataArea.getMaxY();
    }
    throw new RuntimeException("Unexpected AxisLabelLocation: " + location);
}
 

/**
 * Draws a vertical line on the chart to represent a 'range marker'.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param marker  the marker line.
 * @param dataArea  the axis data area.
 */
public void drawDomainMarker(Graphics2D g2,
                             ContourPlot plot,
                             ValueAxis domainAxis,
                             Marker marker,
                             Rectangle2D dataArea) {

    if (marker instanceof ValueMarker) {
        ValueMarker vm = (ValueMarker) marker;
        double value = vm.getValue();
        Range range = domainAxis.getRange();
        if (!range.contains(value)) {
            return;
        }

        double x = domainAxis.valueToJava2D(value, dataArea,
                RectangleEdge.BOTTOM);
        Line2D line = new Line2D.Double(x, dataArea.getMinY(), x,
                dataArea.getMaxY());
        Paint paint = marker.getOutlinePaint();
        Stroke stroke = marker.getOutlineStroke();
        g2.setPaint(paint != null ? paint : Plot.DEFAULT_OUTLINE_PAINT);
        g2.setStroke(stroke != null ? stroke : Plot.DEFAULT_OUTLINE_STROKE);
        g2.draw(line);
    }

}
 

ProjectMetagonEditGrammarIconImage(ProjectMetagon pm,int span){
super(span,span,BufferedImage.TYPE_INT_RGB);
//init image
Path2D path=pm.getImagePath();
Graphics2D g=createGraphics();
g.setRenderingHints(UI.RENDERING_HINTS);
//fill background
g.setColor(UI.ELEMENTMENU_ICONBACKGROUND);
g.fillRect(0,0,span,span);
//glean metrics and transform
Rectangle2D pbounds=path.getBounds2D();
double pw=pbounds.getWidth(),ph=pbounds.getHeight(),scale;
int maxpolygonimagespan=span-(UI.ELEMENTMENU_ICONGEOMETRYINSET*2);
scale=(pw>ph)?maxpolygonimagespan/pw:maxpolygonimagespan/ph;
AffineTransform t=new AffineTransform();
t.scale(scale,-scale);//note y flip
double 
  xoffset=-pbounds.getMinX()+(((span-(pw*scale))/2)/scale),
  yoffset=-pbounds.getMaxY()-(((span-(ph*scale))/2)/scale);
t.translate(xoffset,yoffset);
g.transform(t);
//fill metagon
//use color to distinguish protojig counts
int pjcount=pm.getJigCount();
if(pjcount<UI.GRAMMAR_EDITOR_METAGON_ICONS_FILLCOLOR.length)
  g.setColor(UI.GRAMMAR_EDITOR_METAGON_ICONS_FILLCOLOR[pjcount]);
else
  g.setColor(UI.GRAMMAR_EDITOR_METAGON_ICONS_FILLCOLOR[UI.GRAMMAR_EDITOR_METAGON_ICONS_FILLCOLOR.length-1]);
g.fill(path);
//stroke it
g.setColor(UI.ELEMENTMENU_ICON_STROKE);
g.setStroke(new BasicStroke(
  (float)(UI.ELEMENTMENU_ICONPATHSTROKETHICKNESS/scale),
  BasicStroke.CAP_SQUARE,
  BasicStroke.JOIN_ROUND,
  0,null,0));
g.draw(path);}
 

/**
 * Draws a range crosshair.
 *
 * @param g2  the graphics target.
 * @param dataArea  the data area.
 * @param orientation  the plot orientation.
 * @param value  the crosshair value.
 * @param axis  the axis against which the value is measured.
 * @param stroke  the stroke used to draw the crosshair line.
 * @param paint  the paint used to draw the crosshair line.
 *
 * @since 1.0.4
 */
protected void drawRangeCrosshair(Graphics2D g2, Rectangle2D dataArea,
        PlotOrientation orientation, double value, ValueAxis axis,
        Stroke stroke, Paint paint) {

    if (!axis.getRange().contains(value)) {
        return;
    }
    Object saved = g2.getRenderingHint(RenderingHints.KEY_STROKE_CONTROL);
    g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, 
            RenderingHints.VALUE_STROKE_NORMALIZE);
    Line2D line;
    if (orientation == PlotOrientation.HORIZONTAL) {
        double xx = axis.valueToJava2D(value, dataArea, 
                RectangleEdge.BOTTOM);
        line = new Line2D.Double(xx, dataArea.getMinY(), xx,
                dataArea.getMaxY());
    } else {
        double yy = axis.valueToJava2D(value, dataArea, RectangleEdge.LEFT);
        line = new Line2D.Double(dataArea.getMinX(), yy,
                dataArea.getMaxX(), yy);
    }
    g2.setStroke(stroke);
    g2.setPaint(paint);
    g2.draw(line);
    g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, saved);
}
 

/**
 * Draws a grid line against the domain axis.
 * <P>
 * Note that this default implementation assumes that the horizontal axis
 * is the domain axis. If this is not the case, you will need to override
 * this method.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param dataArea  the area for plotting data (not yet adjusted for any
 *                  3D effect).
 * @param value  the Java2D value at which the grid line should be drawn.
 * @param paint  the paint (<code>null</code> not permitted).
 * @param stroke  the stroke (<code>null</code> not permitted).
 *
 * @see #drawRangeGridline(Graphics2D, CategoryPlot, ValueAxis,
 *     Rectangle2D, double)
 *
 * @since 1.2.0
 */
public void drawDomainLine(Graphics2D g2, CategoryPlot plot,
        Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {

    if (paint == null) {
        throw new IllegalArgumentException("Null 'paint' argument.");
    }
    if (stroke == null) {
        throw new IllegalArgumentException("Null 'stroke' argument.");
    }
    Line2D line = null;
    PlotOrientation orientation = plot.getOrientation();

    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(dataArea.getMinX(), value,
                dataArea.getMaxX(), value);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(value, dataArea.getMinY(), value,
                dataArea.getMaxY());
    }

    g2.setPaint(paint);
    g2.setStroke(stroke);
    g2.draw(line);

}
 

/**
 * Translates the data value to the display coordinates (Java 2D User Space)
 * of the chart.
 *
 * @param value  the date to be plotted.
 * @param area  the rectangle (in Java2D space) where the data is to be
 *              plotted.
 * @param edge  the axis location.
 *
 * @return The coordinate corresponding to the supplied data value.
 */
@Override
public double valueToJava2D(double value, Rectangle2D area,
        RectangleEdge edge) {

    value = this.timeline.toTimelineValue((long) value);

    DateRange range = (DateRange) getRange();
    double axisMin = this.timeline.toTimelineValue(range.getLowerMillis());
    double axisMax = this.timeline.toTimelineValue(range.getUpperMillis());
    double result = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
        double minX = area.getX();
        double maxX = area.getMaxX();
        if (isInverted()) {
            result = maxX + ((value - axisMin) / (axisMax - axisMin))
                     * (minX - maxX);
        }
        else {
            result = minX + ((value - axisMin) / (axisMax - axisMin))
                     * (maxX - minX);
        }
    }
    else if (RectangleEdge.isLeftOrRight(edge)) {
        double minY = area.getMinY();
        double maxY = area.getMaxY();
        if (isInverted()) {
            result = minY + (((value - axisMin) / (axisMax - axisMin))
                     * (maxY - minY));
        }
        else {
            result = maxY - (((value - axisMin) / (axisMax - axisMin))
                     * (maxY - minY));
        }
    }
    return result;
}
 

/**
 * Draws the outline for the plot.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param dataArea  the area inside the axes.
 */
@Override
public void drawOutline(Graphics2D g2, CategoryPlot plot,
                        Rectangle2D dataArea) {

    float x0 = (float) dataArea.getX();
    float x1 = x0 + (float) Math.abs(this.xOffset);
    float x3 = (float) dataArea.getMaxX();
    float x2 = x3 - (float) Math.abs(this.xOffset);

    float y0 = (float) dataArea.getMaxY();
    float y1 = y0 - (float) Math.abs(this.yOffset);
    float y3 = (float) dataArea.getMinY();
    float y2 = y3 + (float) Math.abs(this.yOffset);

    GeneralPath clip = new GeneralPath();
    clip.moveTo(x0, y0);
    clip.lineTo(x0, y2);
    clip.lineTo(x1, y3);
    clip.lineTo(x3, y3);
    clip.lineTo(x3, y1);
    clip.lineTo(x2, y0);
    clip.closePath();

    // put an outline around the data area...
    Stroke outlineStroke = plot.getOutlineStroke();
    Paint outlinePaint = plot.getOutlinePaint();
    if ((outlineStroke != null) && (outlinePaint != null)) {
        g2.setStroke(outlineStroke);
        g2.setPaint(outlinePaint);
        g2.draw(clip);
    }

}
 

/**
 * Utility method for drawing a crosshair on the chart (if required).
 *
 * @param g2  The graphics device.
 * @param dataArea  The data area.
 * @param value  The coordinate, where to draw the line.
 * @param stroke  The stroke to use.
 * @param paint  The paint to use.
 */
protected void drawVerticalLine(Graphics2D g2, Rectangle2D dataArea,
                                double value, Stroke stroke, Paint paint) {

    double xx = getDomainAxis().valueToJava2D(value, dataArea,
            RectangleEdge.BOTTOM);
    Line2D line = new Line2D.Double(xx, dataArea.getMinY(), xx,
            dataArea.getMaxY());
    g2.setStroke(stroke);
    g2.setPaint(paint);
    g2.draw(line);

}
 

/**
 * Creates a rectangle that is aligned to the frame.
 * 
 * @param dimensions
 * @param frame
 * @param hAlign
 * @param vAlign
 * 
 * @return A rectangle.
 */
private Rectangle2D createAlignedRectangle2D(Size2D dimensions, 
        Rectangle2D frame, HorizontalAlignment hAlign, 
        VerticalAlignment vAlign) {
    double x = Double.NaN;
    double y = Double.NaN;
    if (hAlign == HorizontalAlignment.LEFT) {
        x = frame.getX();   
    }
    else if (hAlign == HorizontalAlignment.CENTER) {
        x = frame.getCenterX() - (dimensions.width / 2.0);   
    }
    else if (hAlign == HorizontalAlignment.RIGHT) {
        x = frame.getMaxX() - dimensions.width;   
    }
    if (vAlign == VerticalAlignment.TOP) {
        y = frame.getY();   
    }
    else if (vAlign == VerticalAlignment.CENTER) {
        y = frame.getCenterY() - (dimensions.height / 2.0);   
    }
    else if (vAlign == VerticalAlignment.BOTTOM) {
        y = frame.getMaxY() - dimensions.height;   
    }
    
    return new Rectangle2D.Double(x, y, dimensions.width, 
            dimensions.height);
}
 

/**
 * Draws a grid line against the domain axis.
 * <P>
 * Note that this default implementation assumes that the horizontal axis
 * is the domain axis. If this is not the case, you will need to override
 * this method.
 *
 * @param g2  the graphics device.
 * @param plot  the plot.
 * @param dataArea  the area for plotting data (not yet adjusted for any
 *                  3D effect).
 * @param value  the Java2D value at which the grid line should be drawn.
 * @param paint  the paint (<code>null</code> not permitted).
 * @param stroke  the stroke (<code>null</code> not permitted).
 *
 * @see #drawRangeGridline(Graphics2D, CategoryPlot, ValueAxis,
 *     Rectangle2D, double)
 *
 * @since 1.2.0
 */
public void drawDomainLine(Graphics2D g2, CategoryPlot plot,
        Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {

    if (paint == null) {
        throw new IllegalArgumentException("Null 'paint' argument.");
    }
    if (stroke == null) {
        throw new IllegalArgumentException("Null 'stroke' argument.");
    }
    Line2D line = null;
    PlotOrientation orientation = plot.getOrientation();

    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(dataArea.getMinX(), value,
                dataArea.getMaxX(), value);
    }
    else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(value, dataArea.getMinY(), value,
                dataArea.getMaxY());
    }

    g2.setPaint(paint);
    g2.setStroke(stroke);
    g2.draw(line);

}
 

/**
 * Compute the intersection of a line and a rectangle.
 * @param a1 the first endpoint of the line
 * @param a2 the second endpoint of the line
 * @param r the rectangle
 * @param pts a length 2 or greater array of points in which to store
 * the results
 * @return the intersection code. One of {@link #NO_INTERSECTION},
 * {@link #COINCIDENT}, or {@link #PARALLEL}.
 */
public static int intersectLineRectangle(Point2D a1, Point2D a2, Rectangle2D r, Point2D[] pts) {
  double a1x = a1.getX(), a1y = a1.getY();
  double a2x = a2.getX(), a2y = a2.getY();
  double mxx = r.getMaxX(), mxy = r.getMaxY();
  double mnx = r.getMinX(), mny = r.getMinY();
  if(pts[0]==null) {
    pts[0] = new Point2D.Double();
  }
  if(pts[1]==null) {
    pts[1] = new Point2D.Double();
  }
  int i = 0;
  if(intersectLineLine(mnx, mny, mxx, mny, a1x, a1y, a2x, a2y, pts[i])>0) {
    i++;
  }
  if(intersectLineLine(mxx, mny, mxx, mxy, a1x, a1y, a2x, a2y, pts[i])>0) {
    i++;
  }
  if(i==2) {
    return i;
  }
  if(intersectLineLine(mxx, mxy, mnx, mxy, a1x, a1y, a2x, a2y, pts[i])>0) {
    i++;
  }
  if(i==2) {
    return i;
  }
  if(intersectLineLine(mnx, mxy, mnx, mny, a1x, a1y, a2x, a2y, pts[i])>0) {
    i++;
  }
  return i;
}
 

private int drawSels(Graphics2D g, int[][] found, int selIndex, int i,
                     TextLayout textLayout, float left, float fromY) {
    Shape[] start = null;
    while (selIndex < found.length) {
        if (in) {
            if (start == null)
                start = textLayout.getCaretShapes(0);
            Shape[] shapes;
            boolean b = false;
            if (found[selIndex][0] == i) {
                shapes = textLayout.getCaretShapes(found[selIndex][1]);
                selIndex++;
                in = false;
            } else {
                shapes = textLayout.getCaretShapes(texts.get(i).length());
                b = true;
            }
            Rectangle2D s = start[0].getBounds2D();
            Rectangle2D e = shapes[0].getBounds2D();
            Rectangle2D r = new Rectangle2D.Double(s.getMinX() + left,
                    s.getMinY() + fromY, e.getMaxX() - s.getMinX(),
                    e.getMaxY() - s.getMinY());
            g.draw(r);
            if (b)
                break;
        } else {
            if (found[selIndex][0] == i) {
                start = textLayout.getCaretShapes(found[selIndex][1]);
                selIndex++;
                in = true;
            } else
                break;
        }
    }
    return selIndex;
}
 

/**
 * Draws a crosshair vertically on the plot.
 *
 * @param g2  the graphics target.
 * @param dataArea  the data area.
 * @param x  the x-value in Java2D space.
 * @param crosshair  the crosshair.
 */
protected void drawVerticalCrosshair(Graphics2D g2, Rectangle2D dataArea,
        double x, Crosshair crosshair) {

    if (x >= dataArea.getMinX() && x <= dataArea.getMaxX()) {
        Line2D line = new Line2D.Double(x, dataArea.getMinY(), x,
                dataArea.getMaxY());
        Paint savedPaint = g2.getPaint();
        Stroke savedStroke = g2.getStroke();
        g2.setPaint(crosshair.getPaint());
        g2.setStroke(crosshair.getStroke());
        g2.draw(line);
        if (crosshair.isLabelVisible()) {
            String label = crosshair.getLabelGenerator().generateLabel(
                    crosshair);
            RectangleAnchor anchor = crosshair.getLabelAnchor();
            Point2D pt = calculateLabelPoint(line, anchor, 5, 5);
            float xx = (float) pt.getX();
            float yy = (float) pt.getY();
            TextAnchor alignPt = textAlignPtForLabelAnchorV(anchor);
            Shape hotspot = TextUtilities.calculateRotatedStringBounds(
                    label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
            if (!dataArea.contains(hotspot.getBounds2D())) {
                anchor = flipAnchorH(anchor);
                pt = calculateLabelPoint(line, anchor, 5, 5);
                xx = (float) pt.getX();
                yy = (float) pt.getY();
                alignPt = textAlignPtForLabelAnchorV(anchor);
                hotspot = TextUtilities.calculateRotatedStringBounds(
                       label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
            }
            g2.setPaint(crosshair.getLabelBackgroundPaint());
            g2.fill(hotspot);
            g2.setPaint(crosshair.getLabelOutlinePaint());
            g2.draw(hotspot);
            TextUtilities.drawAlignedString(label, g2, xx, yy, alignPt);
        }
        g2.setPaint(savedPaint);
        g2.setStroke(savedStroke);
    }
}
 

/**
 * Draws the needle.
 *
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param rotate  the rotation point.
 * @param angle  the angle.
 */
@Override
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
                          Point2D rotate, double angle) {

    GeneralPath shape1 = new GeneralPath();
    GeneralPath shape2 = new GeneralPath();
    float minX = (float) plotArea.getMinX();
    float minY = (float) plotArea.getMinY();
    float maxX = (float) plotArea.getMaxX();
    float maxY = (float) plotArea.getMaxY();
    float midX = (float) (minX + (plotArea.getWidth() / 2));
    float midY = (float) (minY + (plotArea.getHeight() / 2));

    shape1.moveTo(minX, midY);
    shape1.lineTo(midX, minY);
    shape1.lineTo(maxX, midY);
    shape1.closePath();

    shape2.moveTo(minX, midY);
    shape2.lineTo(midX, maxY);
    shape2.lineTo(maxX, midY);
    shape2.closePath();

    if ((rotate != null) && (angle != 0)) {
        /// we have rotation huston, please spin me
        getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
        shape1.transform(getTransform());
        shape2.transform(getTransform());
    }

    if (getFillPaint() != null) {
        g2.setPaint(getFillPaint());
        g2.fill(shape1);
    }

    if (getHighlightPaint() != null) {
        g2.setPaint(getHighlightPaint());
        g2.fill(shape2);
    }

    if (getOutlinePaint() != null) {
        g2.setStroke(getOutlineStroke());
        g2.setPaint(getOutlinePaint());
        g2.draw(shape1);
        g2.draw(shape2);
    }
}
 

/**
 * A utility method that calculates a drawing area based on a bounding area
 * and an anchor.
 * 
 * @param dim  the dimensions for the drawing area ({@code null} not 
 *     permitted).
 * @param anchor  the anchor ({@code null} not permitted).
 * @param bounds  the bounds ({@code null} not permitted).
 * 
 * @return A drawing area. 
 */
private Rectangle2D calculateDrawArea(Dimension2D dim, Anchor2D anchor, 
        Rectangle2D bounds) {
    Args.nullNotPermitted(dim, "dim");
    Args.nullNotPermitted(anchor, "anchor");
    Args.nullNotPermitted(bounds, "bounds");
    double x, y;
    double w = Math.min(dim.getWidth(), bounds.getWidth());
    double h = Math.min(dim.getHeight(), bounds.getHeight());
    if (anchor.getRefPt().equals(RefPt2D.CENTER)) {
        x = bounds.getCenterX() - w / 2.0;
        y = bounds.getCenterY() - h / 2.0;
    } else if (anchor.getRefPt().equals(RefPt2D.CENTER_LEFT)) {
        x = bounds.getX() + anchor.getOffset().getDX();
        y = bounds.getCenterY() - h / 2.0;
    } else if (anchor.getRefPt().equals(RefPt2D.CENTER_RIGHT)) {
        x = bounds.getMaxX() - anchor.getOffset().getDX() - dim.getWidth();
        y = bounds.getCenterY() - h / 2.0;
    } else if (anchor.getRefPt().equals(RefPt2D.TOP_CENTER)) {
        x = bounds.getCenterX() - w / 2.0;
        y = bounds.getY() + anchor.getOffset().getDY();
    } else if (anchor.getRefPt().equals(RefPt2D.TOP_LEFT)) {
        x = bounds.getX() + anchor.getOffset().getDX();
        y = bounds.getY() + anchor.getOffset().getDY();
    } else if (anchor.getRefPt().equals(RefPt2D.TOP_RIGHT)) {
        x = bounds.getMaxX() - anchor.getOffset().getDX() - dim.getWidth();
        y = bounds.getY() + anchor.getOffset().getDY();
    } else if (anchor.getRefPt().equals(RefPt2D.BOTTOM_CENTER)) {
        x = bounds.getCenterX() - w / 2.0;
        y = bounds.getMaxY() - anchor.getOffset().getDY() - dim.getHeight();
    } else if (anchor.getRefPt().equals(RefPt2D.BOTTOM_RIGHT)) {
        x = bounds.getMaxX() - anchor.getOffset().getDX() - dim.getWidth();
        y = bounds.getMaxY() - anchor.getOffset().getDY() - dim.getHeight();
    } else if (anchor.getRefPt().equals(RefPt2D.BOTTOM_LEFT)) {
        x = bounds.getX() + anchor.getOffset().getDX();
        y = bounds.getMaxY() - anchor.getOffset().getDY() - dim.getHeight();
    } else {
        x = 0.0;
        y = 0.0;
    }
    return new Rectangle2D.Double(x, y, w, h);
}