?? abstractxyitemrenderer.java
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ValueAxis axis,
Rectangle2D dataArea,
double start, double end) {
double x1 = axis.valueToJava2D(
start, dataArea, plot.getDomainAxisEdge()
);
double x2 = axis.valueToJava2D(
end, dataArea, plot.getDomainAxisEdge()
);
// TODO: need to change the next line to take account of plot
// orientation...
Rectangle2D band = new Rectangle2D.Double(
x1, dataArea.getMinY(),
x2 - x1, dataArea.getMaxY() - dataArea.getMinY()
);
Paint paint = plot.getDomainTickBandPaint();
if (paint != null) {
g2.setPaint(paint);
g2.fill(band);
}
}
/**
* Fills a band between two values on the range axis. This can be used to
* color bands between the grid lines.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the range axis.
* @param dataArea the data area.
* @param start the start value.
* @param end the end value.
*/
public void fillRangeGridBand(Graphics2D g2,
XYPlot plot,
ValueAxis axis,
Rectangle2D dataArea,
double start, double end) {
double y1 = axis.valueToJava2D(
start, dataArea, plot.getRangeAxisEdge()
);
double y2 = axis.valueToJava2D(end, dataArea, plot.getRangeAxisEdge());
// TODO: need to change the next line to take account of the plot
// orientation
Rectangle2D band = new Rectangle2D.Double(
dataArea.getMinX(), y2, dataArea.getWidth(), y1 - y2
);
Paint paint = plot.getRangeTickBandPaint();
if (paint != null) {
g2.setPaint(paint);
g2.fill(band);
}
}
/**
* 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.
*/
public void drawDomainGridLine(Graphics2D g2,
XYPlot 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.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()
);
}
Paint paint = plot.getDomainGridlinePaint();
Stroke stroke = plot.getDomainGridlineStroke();
g2.setPaint(paint != null ? paint : Plot.DEFAULT_OUTLINE_PAINT);
g2.setStroke(stroke != null ? stroke : Plot.DEFAULT_OUTLINE_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.
* @param stroke the stroke.
*/
public void drawRangeLine(Graphics2D g2,
XYPlot 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 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,
XYPlot 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 v = domainAxis.valueToJava2D(
value, dataArea, plot.getDomainAxisEdge()
);
PlotOrientation orientation = plot.getOrientation();
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);
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, line.getBounds2D(),
marker.getLabelOffset(),
LengthAdjustmentType.EXPAND, anchor
);
TextUtilities.drawAlignedString(
label, g2,
(float) coordinates.getX(), (float) coordinates.getY(),
marker.getLabelTextAnchor()
);
}
}
else if (marker instanceof IntervalMarker) {
IntervalMarker im = (IntervalMarker) marker;
double start = im.getStartValue();
double end = im.getEndValue();
Range range = domainAxis.getRange();
if (!(range.intersects(start, end))) {
return;
}
// don't draw beyond the axis range...
start = range.constrain(start);
end = range.constrain(end);
double v0 = domainAxis.valueToJava2D(
start, dataArea, plot.getDomainAxisEdge()
);
double v1 = domainAxis.valueToJava2D(
end, dataArea, plot.getDomainAxisEdge()
);
PlotOrientation orientation = plot.getOrientation();
Rectangle2D rect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
rect = new Rectangle2D.Double(
dataArea.getMinX(), Math.min(v0, v1),
dataArea.getWidth(), Math.abs(v1 - v0)
);
}
else if (orientation == PlotOrientation.VERTICAL) {
rect = new Rectangle2D.Double(
Math.min(v0, v1), dataArea.getMinY(),
Math.abs(v1 - v0), dataArea.getHeight()
);
}
Paint p = marker.getPaint();
if (p instanceof GradientPaint) {
GradientPaint gp = (GradientPaint) p;
GradientPaintTransformer t = im.getGradientPaintTransformer();
if (t != null) {
gp = t.transform(gp, rect);
}
g2.setPaint(gp);
}
else {
g2.setPaint(p);
}
g2.fill(rect);
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, rect, marker.getLabelOffset(),
marker.getLabelOffsetType(), anchor
);
TextUtilities.drawAlignedString(
label, g2, (float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor()
);
}
}
}
/**
* Calculates the (x, y) coordinates for drawing a marker label.
*
* @param g2 the graphics device.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param markerArea the rectangle surrounding the marker area.
* @param markerOffset the marker label offset.
* @param labelOffsetType the label offset type.
* @param anchor the label anchor.
*
* @return The coordinates for drawing the marker label.
*/
protected Point2D calculateDomainMarkerTextAnchorPoint(Graphics2D g2,
PlotOrientation orientation,
Rectangle2D dataArea,
Rectangle2D markerArea,
RectangleInsets markerOffset,
LengthAdjustmentType labelOffsetType,
RectangleAnchor anchor) {
Rectangle2D anchorRect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
anchorRect = markerOffset.createAdjustedRectangle(
markerArea, LengthAdjustmentType.CONTRACT, labelOffsetType
);
}
else if (orientation == PlotOrientation.VERTICAL) {
anchorRect = markerOffset.createAdjustedRectangle(
markerArea, labelOffsetType, LengthAdjustmentType.CONTRACT
);
}
return RectangleAnchor.coordinates(anchorRect, anchor);
}
/**
* Draws a horizontal line across the chart to represent a 'range marker'.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param rangeAxis the range axis.
* @param marker the marker line.
* @param dataArea the axis data area.
*/
public void drawRangeMarker(Graphics2D g2,
XYPlot plot,
ValueAxis rangeAxis,
Marker marker,
Rectangle2D dataArea) {
if (marker instanceof ValueMarker) {
ValueMarker vm = (ValueMarker) marker;
double value = vm.getValue();
Range range = rangeAxis.getRange();
if (!range.contains(value)) {
return;
}
double v = rangeAxis.valueToJava2D(
value, dataArea, plot.getRangeAxisEdge()
);
PlotOrientation orientation = plot.getOrientation();
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
);
}
g2.setPaint(marker.getPaint());
g2.setStroke(marker.getStroke());
g2.draw(line);
String label = marker.getLabel();
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