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

/**
 * 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);

}
 

protected Rectangle2D transformToParentSpace(Rectangle2D rect) {
    if (rect == null) {
        return null;
    }

    Point2D p0 = new Point2D.Double(rect.getMinX(), rect.getMinY());
    Point2D p1 = new Point2D.Double(rect.getMaxX(), rect.getMaxY());

    AffineTransform t = getLocalToParentTransform();
    t.transform(p0, p0);
    t.transform(p1, p1);

    Rectangle2D.Double result = new Rectangle2D.Double(p0.getX(), p0.getY(), 0, 0);
    result.add(p1);

    return result;
}
 

/**
 * 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);
   
}
 

/**
 * For each glyph return posx, posy, advx, advy, visx, visy, visw, vish.
 */
public float[] getGlyphInfo() {
    setFRCTX();
    initPositions();
    float[] result = new float[glyphs.length * 8];
    for (int i = 0, n = 0; i < glyphs.length; ++i, n += 8) {
        float x = positions[i*2];
        float y = positions[i*2+1];
        result[n] = x;
        result[n+1] = y;

        int glyphID = glyphs[i];
        GlyphStrike s = getGlyphStrike(i);
        Point2D.Float adv = s.strike.getGlyphMetrics(glyphID);
        result[n+2] = adv.x;
        result[n+3] = adv.y;

        Rectangle2D vb = getGlyphVisualBounds(i).getBounds2D();
        result[n+4] = (float)(vb.getMinX());
        result[n+5] = (float)(vb.getMinY());
        result[n+6] = (float)(vb.getWidth());
        result[n+7] = (float)(vb.getHeight());
    }
    return result;
}
 

/**
 * 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);

}
 

private void drawCrosshair(Graphics2D graphics, AffineTransform i2vTransform, Point centerPixel,
                           Rectangle2D pixelViewRect) {
    Rectangle surroundImageRect = new Rectangle(centerPixel.x - 1, centerPixel.y - 1, 3, 3);
    Rectangle2D surroundViewRect = i2vTransform.createTransformedShape(surroundImageRect).getBounds2D();
    double scale = MAX_CROSSHAIR_SIZE / surroundViewRect.getBounds2D().getWidth();
    if (scale > 1) {
        double newWidth = surroundViewRect.getWidth() * scale;
        double newHeight = surroundViewRect.getHeight() * scale;
        double newX = surroundViewRect.getCenterX() - newWidth / 2;
        double newY = surroundViewRect.getCenterY() - newHeight / 2;
        surroundViewRect.setRect(newX, newY, newWidth, newHeight);
    }
    graphics.draw(surroundViewRect);

    Line2D.Double northLine = new Line2D.Double(surroundViewRect.getCenterX(), surroundViewRect.getMinY(),
                                                surroundViewRect.getCenterX(), pixelViewRect.getMinY());
    Line2D.Double eastLine = new Line2D.Double(surroundViewRect.getMaxX(), surroundViewRect.getCenterY(),
                                               pixelViewRect.getMaxX(), surroundViewRect.getCenterY());
    Line2D.Double southLine = new Line2D.Double(surroundViewRect.getCenterX(), surroundViewRect.getMaxY(),
                                                surroundViewRect.getCenterX(), pixelViewRect.getMaxY());
    Line2D.Double westLine = new Line2D.Double(surroundViewRect.getMinX(), surroundViewRect.getCenterY(),
                                               pixelViewRect.getMinX(), surroundViewRect.getCenterY());
    graphics.draw(northLine);
    graphics.draw(eastLine);
    graphics.draw(southLine);
    graphics.draw(westLine);
}
 

/**
 * 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) {

    // TODO: In JFreeChart 1.2.0, put this method in the
    // CategoryItemRenderer interface
    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);
    Object saved = g2.getRenderingHint(RenderingHints.KEY_STROKE_CONTROL);
    g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, 
            RenderingHints.VALUE_STROKE_NORMALIZE);
    g2.draw(line);
    g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, saved);
}
 

/**
 * Sets this rectangle to be the same as the specified rectangle.
 *
 * @param  r  the rectangle to copy values from.
 */
@Override
public final void setRect(final Rectangle2D r) {
    if (r != this) {        // Optimization for methods chaining like r.setRect(Shapes.transform(…, r))
        xmin = r.getMinX();
        ymin = r.getMinY();
        xmax = r.getMaxX();
        ymax = r.getMaxY();
    }
}
 

/**
 * 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);

}
 

/**
 * 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);

}
 

/**
 * 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);

}
 

/**
 * Draws a grid line against 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.
 *
 * @see #drawDomainGridline(Graphics2D, CategoryPlot, Rectangle2D, double)
 */
@Override
public void drawRangeGridline(Graphics2D g2, CategoryPlot plot,
        ValueAxis axis, Rectangle2D dataArea, double value) {

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

    PlotOrientation orientation = plot.getOrientation();
    double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
    Line2D line = null;
    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);
    }

    Paint paint = plot.getRangeGridlinePaint();
    if (paint == null) {
        paint = CategoryPlot.DEFAULT_GRIDLINE_PAINT;
    }
    g2.setPaint(paint);

    Stroke stroke = plot.getRangeGridlineStroke();
    if (stroke == null) {
        stroke = CategoryPlot.DEFAULT_GRIDLINE_STROKE;
    }
    g2.setStroke(stroke);

    g2.draw(line);

}
 

/**
 * Converts a data value to a coordinate in Java2D space, assuming that
 * the axis runs along one edge of the specified plotArea.
 * Note that it is possible for the coordinate to fall outside the
 * plotArea.
 *
 * @param value  the data value.
 * @param plotArea  the area for plotting the data.
 * @param edge  the axis location.
 *
 * @return The Java2D coordinate.
 */
public double valueToJava2D(double value, Rectangle2D plotArea,
                            RectangleEdge edge) {

    Range range = getRange();
    double axisMin = switchedLog10(range.getLowerBound());
    double axisMax = switchedLog10(range.getUpperBound());

    double min = 0.0;
    double max = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
        min = plotArea.getMinX();
        max = plotArea.getMaxX();
    }
    else if (RectangleEdge.isLeftOrRight(edge)) {
        min = plotArea.getMaxY();
        max = plotArea.getMinY();
    }

    value = switchedLog10(value);

    if (isInverted()) {
        return max - (((value - axisMin) / (axisMax - axisMin))
                * (max - min));
    }
    else {
        return min + (((value - axisMin) / (axisMax - axisMin))
                * (max - min));
    }

}
 

@Override
public void mouseReleased(MouseEvent e) {

	// if we've been panning, we need to reset now that the mouse is
	// released...
	Rectangle2D zoomRectangle = (Rectangle2D) getChartFieldValueByName("zoomRectangle");
	Point2D zoomPoint = (Point2D) getChartFieldValueByName("zoomPoint");
	if (getChartFieldValueByName("panLast") != null) {
		setChartFieldValue(getChartFieldByName("panLast"), null);
		setCursor(Cursor.getDefaultCursor());
	} else if (zoomRectangle != null) {
		boolean hZoom = false;
		boolean vZoom = false;
		if ((PlotOrientation) getChartFieldValueByName("orientation") == PlotOrientation.HORIZONTAL) {
			hZoom = (Boolean) getChartFieldValueByName("rangeZoomable");
			vZoom = (Boolean) getChartFieldValueByName("domainZoomable");
		} else {
			hZoom = (Boolean) getChartFieldValueByName("domainZoomable");
			vZoom = (Boolean) getChartFieldValueByName("rangeZoomable");
		}

		boolean zoomTrigger1 = hZoom
				&& Math.abs(e.getX() - zoomPoint.getX()) >= (Integer) getChartFieldValueByName("zoomTriggerDistance");
		boolean zoomTrigger2 = vZoom
				&& Math.abs(e.getY() - zoomPoint.getY()) >= (Integer) getChartFieldValueByName("zoomTriggerDistance");
		if (zoomTrigger1 || zoomTrigger2) {
			if (hZoom && e.getX() < zoomPoint.getX() || vZoom && e.getY() < zoomPoint.getY()) {
				restoreAutoBounds();
			} else {
				double x, y, w, h;
				Rectangle2D screenDataArea = getScreenDataArea((int) zoomPoint.getX(), (int) zoomPoint.getY());
				double maxX = screenDataArea.getMaxX();
				double maxY = screenDataArea.getMaxY();
				// for mouseReleased event, (horizontalZoom || verticalZoom)
				// will be true, so we can just test for either being false;
				// otherwise both are true
				if (!vZoom) {
					x = zoomPoint.getX();
					y = screenDataArea.getMinY();
					w = Math.min(zoomRectangle.getWidth(), maxX - zoomPoint.getX());
					h = screenDataArea.getHeight();
				} else if (!hZoom) {
					x = screenDataArea.getMinX();
					y = zoomPoint.getY();
					w = screenDataArea.getWidth();
					h = Math.min(zoomRectangle.getHeight(), maxY - zoomPoint.getY());
				} else {
					x = zoomPoint.getX();
					y = zoomPoint.getY();
					w = Math.min(zoomRectangle.getWidth(), maxX - zoomPoint.getX());
					h = Math.min(zoomRectangle.getHeight(), maxY - zoomPoint.getY());
				}
				Rectangle2D zoomArea = new Rectangle2D.Double(x, y, w, h);
				zoom(zoomArea);
			}
			setChartFieldValue(getChartFieldByName("zoomPoint"), null);
			setChartFieldValue(getChartFieldByName("zoomRectangle"), null);
		} else {
			// erase the zoom rectangle
			Graphics2D g2 = (Graphics2D) getGraphics();
			if ((Boolean) getChartFieldValueByName("useBuffer")) {
				repaint();
			} else {
				drawZoomRectangle(g2, true);
			}
			g2.dispose();
			setChartFieldValue(getChartFieldByName("zoomPoint"), null);
			setChartFieldValue(getChartFieldByName("zoomRectangle"), null);
		}

	}

	else if (e.isPopupTrigger()) {
		if (getChartFieldValueByName("popup") != null) {
			displayPopupMenu(e.getX(), e.getY());
		}
	}

}
 

/**
 * 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 a crosshair horizontally across the plot.
 *
 * @param g2  the graphics target.
 * @param dataArea  the data area.
 * @param y  the y-value in Java2D space.
 * @param crosshair  the crosshair.
 */
protected void drawHorizontalCrosshair(Graphics2D g2, Rectangle2D dataArea,
        double y, Crosshair crosshair) {

    if (y >= dataArea.getMinY() && y <= dataArea.getMaxY()) {
        Line2D line = new Line2D.Double(dataArea.getMinX(), y,
                dataArea.getMaxX(), y);
        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 = textAlignPtForLabelAnchorH(anchor);
            Shape hotspot = TextUtilities.calculateRotatedStringBounds(
                    label, g2, xx, yy, alignPt, 0.0, TextAnchor.CENTER);
            if (!dataArea.contains(hotspot.getBounds2D())) {
                anchor = flipAnchorV(anchor);
                pt = calculateLabelPoint(line, anchor, 5, 5);
                xx = (float) pt.getX();
                yy = (float) pt.getY();
                alignPt = textAlignPtForLabelAnchorH(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 a marker for the domain axis.
 *
 * @param g2  the graphics device (not <code>null</code>).
 * @param plot  the plot (not <code>null</code>).
 * @param axis  the range axis (not <code>null</code>).
 * @param marker  the marker to be drawn (not <code>null</code>).
 * @param dataArea  the area inside the axes (not <code>null</code>).
 *
 * @see #drawRangeMarker(Graphics2D, CategoryPlot, ValueAxis, Marker,
 *     Rectangle2D)
 */
public void drawDomainMarker(Graphics2D g2,
                             CategoryPlot plot,
                             CategoryAxis axis,
                             CategoryMarker marker,
                             Rectangle2D dataArea) {

    Comparable category = marker.getKey();
    CategoryDataset dataset = plot.getDataset(plot.getIndexOf(this));
    int columnIndex = dataset.getColumnIndex(category);
    if (columnIndex < 0) {
        return;
    }

    final Composite savedComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(
            AlphaComposite.SRC_OVER, marker.getAlpha()));

    PlotOrientation orientation = plot.getOrientation();
    Rectangle2D bounds = null;
    if (marker.getDrawAsLine()) {
        double v = axis.getCategoryMiddle(columnIndex,
                dataset.getColumnCount(), dataArea,
                plot.getDomainAxisEdge());
        Line2D line = null;
        if (orientation == PlotOrientation.HORIZONTAL) {
            line = new Line2D.Double(dataArea.getMinX(), v,
                    dataArea.getMaxX(), v);
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            line = new Line2D.Double(v, dataArea.getMinY(), v,
                    dataArea.getMaxY());
        }
        g2.setPaint(marker.getPaint());
        g2.setStroke(marker.getStroke());
        g2.draw(line);
        bounds = line.getBounds2D();
    }
    else {
        double v0 = axis.getCategoryStart(columnIndex,
                dataset.getColumnCount(), dataArea,
                plot.getDomainAxisEdge());
        double v1 = axis.getCategoryEnd(columnIndex,
                dataset.getColumnCount(), dataArea,
                plot.getDomainAxisEdge());
        Rectangle2D area = null;
        if (orientation == PlotOrientation.HORIZONTAL) {
            area = new Rectangle2D.Double(dataArea.getMinX(), v0,
                    dataArea.getWidth(), (v1 - v0));
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            area = new Rectangle2D.Double(v0, dataArea.getMinY(),
                    (v1 - v0), dataArea.getHeight());
        }
        g2.setPaint(marker.getPaint());
        g2.fill(area);
        bounds = area;
    }

    String label = marker.getLabel();
    RectangleAnchor anchor = marker.getLabelAnchor();
    if (label != null) {
        Font labelFont = marker.getLabelFont();
        g2.setFont(labelFont);
        g2.setPaint(marker.getLabelPaint());
        Point2D coordinates = calculateDomainMarkerTextAnchorPoint(
                g2, orientation, dataArea, bounds, marker.getLabelOffset(),
                marker.getLabelOffsetType(), anchor);
        TextUtilities.drawAlignedString(label, g2,
                (float) coordinates.getX(), (float) coordinates.getY(),
                marker.getLabelTextAnchor());
    }
    g2.setComposite(savedComposite);
}
 

/**
 * Draws a marker for the domain axis.
 *
 * @param g2  the graphics device (not <code>null</code>).
 * @param plot  the plot (not <code>null</code>).
 * @param axis  the range axis (not <code>null</code>).
 * @param marker  the marker to be drawn (not <code>null</code>).
 * @param dataArea  the area inside the axes (not <code>null</code>).
 *
 * @see #drawRangeMarker(Graphics2D, CategoryPlot, ValueAxis, Marker,
 *     Rectangle2D)
 */
public void drawDomainMarker(Graphics2D g2,
                             CategoryPlot plot,
                             CategoryAxis axis,
                             CategoryMarker marker,
                             Rectangle2D dataArea) {

    Comparable category = marker.getKey();
    CategoryDataset dataset = plot.getDataset(plot.getIndexOf(this));
    int columnIndex = dataset.getColumnIndex(category);
    if (columnIndex < 0) {
        return;
    }

    final Composite savedComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(
            AlphaComposite.SRC_OVER, marker.getAlpha()));

    PlotOrientation orientation = plot.getOrientation();
    Rectangle2D bounds = null;
    if (marker.getDrawAsLine()) {
        double v = axis.getCategoryMiddle(columnIndex,
                dataset.getColumnCount(), dataArea,
                plot.getDomainAxisEdge());
        Line2D line = null;
        if (orientation == PlotOrientation.HORIZONTAL) {
            line = new Line2D.Double(dataArea.getMinX(), v,
                    dataArea.getMaxX(), v);
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            line = new Line2D.Double(v, dataArea.getMinY(), v,
                    dataArea.getMaxY());
        }
        g2.setPaint(marker.getPaint());
        g2.setStroke(marker.getStroke());
        g2.draw(line);
        bounds = line.getBounds2D();
    }
    else {
        double v0 = axis.getCategoryStart(columnIndex,
                dataset.getColumnCount(), dataArea,
                plot.getDomainAxisEdge());
        double v1 = axis.getCategoryEnd(columnIndex,
                dataset.getColumnCount(), dataArea,
                plot.getDomainAxisEdge());
        Rectangle2D area = null;
        if (orientation == PlotOrientation.HORIZONTAL) {
            area = new Rectangle2D.Double(dataArea.getMinX(), v0,
                    dataArea.getWidth(), (v1 - v0));
        }
        else if (orientation == PlotOrientation.VERTICAL) {
            area = new Rectangle2D.Double(v0, dataArea.getMinY(),
                    (v1 - v0), dataArea.getHeight());
        }
        g2.setPaint(marker.getPaint());
        g2.fill(area);
        bounds = area;
    }

    String label = marker.getLabel();
    RectangleAnchor anchor = marker.getLabelAnchor();
    if (label != null) {
        Font labelFont = marker.getLabelFont();
        g2.setFont(labelFont);
        g2.setPaint(marker.getLabelPaint());
        Point2D coordinates = calculateDomainMarkerTextAnchorPoint(
                g2, orientation, dataArea, bounds, marker.getLabelOffset(),
                marker.getLabelOffsetType(), anchor);
        TextUtilities.drawAlignedString(label, g2,
                (float) coordinates.getX(), (float) coordinates.getY(),
                marker.getLabelTextAnchor());
    }
    g2.setComposite(savedComposite);
}
 

/**
 * 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);
    }
}
 

private double percentW(double x, Rectangle2D r) {
    return (x - r.getMinX()) / r.getWidth();
}