/**
* Draws the annotation.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param rendererIndex the renderer index.
* @param info if supplied, this info object will be populated with entity information.
*/
public void draw(
Graphics2D g2,
XYPlot plot,
Rectangle2D dataArea,
ValueAxis domainAxis,
ValueAxis rangeAxis,
int rendererIndex,
PlotRenderingInfo info) {
PlotOrientation orientation = plot.getOrientation();
RectangleEdge domainEdge =
Plot.resolveDomainAxisLocation(plot.getDomainAxisLocation(), orientation);
RectangleEdge rangeEdge =
Plot.resolveRangeAxisLocation(plot.getRangeAxisLocation(), orientation);
float j2DX = (float) domainAxis.valueToJava2D(this.x, dataArea, domainEdge);
float j2DY = (float) rangeAxis.valueToJava2D(this.y, dataArea, rangeEdge);
Rectangle2D area =
new Rectangle2D.Double(
j2DX - this.width / 2.0, j2DY - this.height / 2.0, this.width, this.height);
this.drawable.draw(g2, area);
String toolTip = getToolTipText();
String url = getURL();
if (toolTip != null || url != null) {
addEntity(info, area, rendererIndex, toolTip, url);
}
}
/**
* Draws the item (first pass). This method draws the lines connecting the items.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the data is being drawn.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param pass the pass.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
*/
protected void drawPrimaryLine(
XYItemRendererState state,
Graphics2D g2,
XYPlot plot,
XYDataset dataset,
int pass,
int series,
int item,
ValueAxis domainAxis,
ValueAxis rangeAxis,
Rectangle2D dataArea) {
if (item == 0) {
return;
}
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
if (Double.isNaN(y1) || Double.isNaN(x1)) {
return;
}
double x0 = dataset.getXValue(series, item - 1);
double y0 = dataset.getYValue(series, item - 1);
if (Double.isNaN(y0) || Double.isNaN(x0)) {
return;
}
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);
double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
// only draw if we have good values
if (Double.isNaN(transX0)
|| Double.isNaN(transY0)
|| Double.isNaN(transX1)
|| Double.isNaN(transY1)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
boolean visible;
if (orientation == PlotOrientation.HORIZONTAL) {
state.workingLine.setLine(transY0, transX0, transY1, transX1);
} else if (orientation == PlotOrientation.VERTICAL) {
state.workingLine.setLine(transX0, transY0, transX1, transY1);
}
visible = LineUtilities.clipLine(state.workingLine, dataArea);
if (visible) {
drawFirstPassShape(g2, pass, series, item, state.workingLine);
}
}
/**
* Draws the annotation. This method is usually called by the {@link XYPlot} class, you shouldn't
* need to call it directly.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param rendererIndex the renderer index.
* @param info the plot rendering info.
*/
public void draw(
Graphics2D g2,
XYPlot plot,
Rectangle2D dataArea,
ValueAxis domainAxis,
ValueAxis rangeAxis,
int rendererIndex,
PlotRenderingInfo info) {
PlotOrientation orientation = plot.getOrientation();
RectangleEdge domainEdge =
Plot.resolveDomainAxisLocation(plot.getDomainAxisLocation(), orientation);
RectangleEdge rangeEdge =
Plot.resolveRangeAxisLocation(plot.getRangeAxisLocation(), orientation);
// compute transform matrix elements via sample points. Assume no
// rotation or shear.
Rectangle2D bounds = this.shape.getBounds2D();
double x0 = bounds.getMinX();
double x1 = bounds.getMaxX();
double xx0 = domainAxis.valueToJava2D(x0, dataArea, domainEdge);
double xx1 = domainAxis.valueToJava2D(x1, dataArea, domainEdge);
double m00 = (xx1 - xx0) / (x1 - x0);
double m02 = xx0 - x0 * m00;
double y0 = bounds.getMaxY();
double y1 = bounds.getMinY();
double yy0 = rangeAxis.valueToJava2D(y0, dataArea, rangeEdge);
double yy1 = rangeAxis.valueToJava2D(y1, dataArea, rangeEdge);
double m11 = (yy1 - yy0) / (y1 - y0);
double m12 = yy0 - m11 * y0;
// create transform & transform shape
Shape s = null;
if (orientation == PlotOrientation.HORIZONTAL) {
AffineTransform t1 = new AffineTransform(0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
AffineTransform t2 = new AffineTransform(m11, 0.0f, 0.0f, m00, m12, m02);
s = t1.createTransformedShape(this.shape);
s = t2.createTransformedShape(s);
} else if (orientation == PlotOrientation.VERTICAL) {
AffineTransform t = new AffineTransform(m00, 0, 0, m11, m02, m12);
s = t.createTransformedShape(this.shape);
}
if (this.fillPaint != null) {
g2.setPaint(this.fillPaint);
g2.fill(s);
}
if (this.stroke != null && this.outlinePaint != null) {
g2.setPaint(this.outlinePaint);
g2.setStroke(this.stroke);
g2.draw(s);
}
addEntity(info, s, rendererIndex, getToolTipText(), getURL());
}
/**
* Draws the block representing the specified item.
*
* @param g2 the graphics device.
* @param state the state.
* @param dataArea the data area.
* @param info the plot rendering info.
* @param plot the plot.
* @param domainAxis the x-axis.
* @param rangeAxis the y-axis.
* @param dataset the dataset.
* @param series the series index.
* @param item the item index.
* @param crosshairState the crosshair state.
* @param pass the pass index.
*/
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
double x = dataset.getXValue(series, item);
double y = dataset.getYValue(series, item);
double z = 0.0;
if (dataset instanceof XYZDataset) {
z = ((XYZDataset) dataset).getZValue(series, item);
}
Paint p = this.paintScale.getPaint(z);
double xx0 = domainAxis.valueToJava2D(x + this.xOffset, dataArea, plot.getDomainAxisEdge());
double yy0 = rangeAxis.valueToJava2D(y + this.yOffset, dataArea, plot.getRangeAxisEdge());
double xx1 =
domainAxis.valueToJava2D(
x + this.blockWidth + this.xOffset, dataArea, plot.getDomainAxisEdge());
double yy1 =
rangeAxis.valueToJava2D(
y + this.blockHeight + this.yOffset, dataArea, plot.getRangeAxisEdge());
Rectangle2D block;
PlotOrientation orientation = plot.getOrientation();
if (orientation.equals(PlotOrientation.HORIZONTAL)) {
block =
new Rectangle2D.Double(
Math.min(yy0, yy1), Math.min(xx0, xx1), Math.abs(yy1 - yy0), Math.abs(xx0 - xx1));
} else {
block =
new Rectangle2D.Double(
Math.min(xx0, xx1), Math.min(yy0, yy1), Math.abs(xx1 - xx0), Math.abs(yy1 - yy0));
}
g2.setPaint(p);
g2.fill(block);
g2.setStroke(new BasicStroke(1.0f));
g2.draw(block);
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addEntity(entities, block, dataset, series, item, 0.0, 0.0);
}
}
/**
* Draws a range marker.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the value axis.
* @param marker the marker.
* @param dataArea the area for plotting data (not including 3D effect).
*/
@Override
public void drawRangeMarker(
Graphics2D g2, CategoryPlot plot, ValueAxis axis, Marker marker, Rectangle2D dataArea) {
Rectangle2D adjusted =
new Rectangle2D.Double(
dataArea.getX(),
dataArea.getY() + getYOffset(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
if (marker instanceof ValueMarker) {
ValueMarker vm = (ValueMarker) marker;
double value = vm.getValue();
Range range = axis.getRange();
if (!range.contains(value)) {
return;
}
GeneralPath path = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
float x = (float) axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
float y = (float) adjusted.getMaxY();
path = new GeneralPath();
path.moveTo(x, y);
path.lineTo((float) (x + getXOffset()), y - (float) getYOffset());
path.lineTo((float) (x + getXOffset()), (float) (adjusted.getMinY() - getYOffset()));
path.lineTo(x, (float) adjusted.getMinY());
path.closePath();
} else if (orientation == PlotOrientation.VERTICAL) {
float y = (float) axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
float x = (float) dataArea.getX();
path = new GeneralPath();
path.moveTo(x, y);
path.lineTo(x + (float) this.xOffset, y - (float) this.yOffset);
path.lineTo((float) (adjusted.getMaxX() + this.xOffset), y - (float) this.yOffset);
path.lineTo((float) (adjusted.getMaxX()), y);
path.closePath();
}
g2.setPaint(marker.getPaint());
g2.fill(path);
g2.setPaint(marker.getOutlinePaint());
g2.draw(path);
} else {
super.drawRangeMarker(g2, plot, axis, marker, adjusted);
// TODO: draw the interval marker with a 3D effect
}
}
/**
* 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 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);
}
/**
* Draws the item (first pass). This method draws the lines connecting the items. Instead of
* drawing separate lines, a GeneralPath is constructed and drawn at the end of the series
* painting.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param plot the plot (can be used to obtain standard color information etc).
* @param dataset the dataset.
* @param pass the pass.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataArea the area within which the data is being drawn.
*/
protected void drawPrimaryLineAsPath(
XYItemRendererState state,
Graphics2D g2,
XYPlot plot,
XYDataset dataset,
int pass,
int series,
int item,
ValueAxis domainAxis,
ValueAxis rangeAxis,
Rectangle2D dataArea) {
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
State s = (State) state;
// update path to reflect latest point
if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) {
float x = (float) transX1;
float y = (float) transY1;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
x = (float) transY1;
y = (float) transX1;
}
if (s.isLastPointGood()) {
s.seriesPath.lineTo(x, y);
} else {
s.seriesPath.moveTo(x, y);
}
s.setLastPointGood(true);
} else {
s.setLastPointGood(false);
}
// if this is the last item, draw the path ...
if (item == s.getLastItemIndex()) {
// draw path
drawFirstPassShape(g2, pass, series, item, s.seriesPath);
}
}
/**
* 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.
* @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;
}
Rectangle2D adjusted =
new Rectangle2D.Double(
dataArea.getX(),
dataArea.getY() + getYOffset(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
Line2D line1 = null;
Line2D line2 = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
double x0 = axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
double x1 = x0 + getXOffset();
double y0 = dataArea.getMaxY();
double y1 = y0 - getYOffset();
double y2 = dataArea.getMinY();
line1 = new Line2D.Double(x0, y0, x1, y1);
line2 = new Line2D.Double(x1, y1, x1, y2);
} else if (orientation == PlotOrientation.VERTICAL) {
double y0 = axis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
double y1 = y0 - getYOffset();
double x0 = dataArea.getMinX();
double x1 = x0 + getXOffset();
double x2 = dataArea.getMaxX();
line1 = new Line2D.Double(x0, y0, x1, y1);
line2 = new Line2D.Double(x1, y1, x2, y1);
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line1);
g2.draw(line2);
}
/**
* Initialises the renderer and returns a state object that should be passed to all subsequent
* calls to the drawItem() method. Here we calculate the Java2D y-coordinate for zero, since all
* the bars have their bases fixed at zero.
*
* @param g2 the graphics device.
* @param dataArea the area inside the axes.
* @param plot the plot.
* @param dataset the data.
* @param info an optional info collection object to return data back to the caller.
* @return A state object.
*/
@Override
public XYItemRendererState initialise(
Graphics2D g2, Rectangle2D dataArea, XYPlot plot, XYDataset dataset, PlotRenderingInfo info) {
XYBarRendererState state = new XYBarRendererState(info);
ValueAxis rangeAxis = plot.getRangeAxisForDataset(plot.indexOf(dataset));
state.setG2Base(rangeAxis.valueToJava2D(this.base, dataArea, plot.getRangeAxisEdge()));
return state;
}
/**
* Draws the visual representation of a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the data is being drawn.
* @param info collects information about the drawing.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain (horizontal) axis.
* @param rangeAxis the range (vertical) axis.
* @param dataset the dataset.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param crosshairState crosshair information for the plot (<code>null</code> permitted).
* @param pass the pass index.
*/
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
// get the data point...
double x = dataset.getXValue(series, item);
double y = dataset.getYValue(series, item);
double adjx = (this.dotWidth - 1) / 2.0;
double adjy = (this.dotHeight - 1) / 2.0;
if (!Double.isNaN(y)) {
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transX = domainAxis.valueToJava2D(x, dataArea, xAxisLocation) - adjx;
double transY = rangeAxis.valueToJava2D(y, dataArea, yAxisLocation) - adjy;
g2.setPaint(getItemPaint(series, item));
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
g2.fillRect((int) transY, (int) transX, this.dotHeight, this.dotWidth);
} else if (orientation == PlotOrientation.VERTICAL) {
g2.fillRect((int) transX, (int) transY, this.dotWidth, this.dotHeight);
}
int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
updateCrosshairValues(
crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY, orientation);
}
}
/**
* Draws the annotation. This method is called by the {@link XYPlot} class, you won't normally
* need to call it yourself.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param rendererIndex the renderer index.
* @param info if supplied, this info object will be populated with entity information.
*/
public void draw(
Graphics2D g2,
XYPlot plot,
Rectangle2D dataArea,
ValueAxis domainAxis,
ValueAxis rangeAxis,
int rendererIndex,
PlotRenderingInfo info) {
PlotOrientation orientation = plot.getOrientation();
RectangleEdge domainEdge =
Plot.resolveDomainAxisLocation(plot.getDomainAxisLocation(), orientation);
RectangleEdge rangeEdge =
Plot.resolveRangeAxisLocation(plot.getRangeAxisLocation(), orientation);
float j2DX1 = 0.0f;
float j2DX2 = 0.0f;
float j2DY1 = 0.0f;
float j2DY2 = 0.0f;
if (orientation == PlotOrientation.VERTICAL) {
j2DX1 = (float) domainAxis.valueToJava2D(this.x1, dataArea, domainEdge);
j2DY1 = (float) rangeAxis.valueToJava2D(this.y1, dataArea, rangeEdge);
j2DX2 = (float) domainAxis.valueToJava2D(this.x2, dataArea, domainEdge);
j2DY2 = (float) rangeAxis.valueToJava2D(this.y2, dataArea, rangeEdge);
} else if (orientation == PlotOrientation.HORIZONTAL) {
j2DY1 = (float) domainAxis.valueToJava2D(this.x1, dataArea, domainEdge);
j2DX1 = (float) rangeAxis.valueToJava2D(this.y1, dataArea, rangeEdge);
j2DY2 = (float) domainAxis.valueToJava2D(this.x2, dataArea, domainEdge);
j2DX2 = (float) rangeAxis.valueToJava2D(this.y2, dataArea, rangeEdge);
}
g2.setPaint(this.paint);
g2.setStroke(this.stroke);
Line2D line = new Line2D.Float(j2DX1, j2DY1, j2DX2, j2DY2);
// line is clipped to avoid JRE bug 6574155, for more info
// see JFreeChart bug 2221495
boolean visible = LineUtilities.clipLine(line, dataArea);
if (visible) {
g2.draw(line);
}
String toolTip = getToolTipText();
String url = getURL();
if (toolTip != null || url != null) {
addEntity(info, ShapeUtilities.createLineRegion(line, 1.0f), rendererIndex, toolTip, url);
}
}
/**
* Draw a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area in which the data is drawn.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset (a {@link StatisticalCategoryDataset} is required).
* @param row the row index (zero-based).
* @param column the column index (zero-based).
* @param pass the pass.
*/
@Override
public void drawItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column,
int pass) {
// do nothing if item is not visible
if (!getItemVisible(row, column)) {
return;
}
// if the dataset is not a StatisticalCategoryDataset then just revert
// to the superclass (LineAndShapeRenderer) behaviour...
if (!(dataset instanceof StatisticalCategoryDataset)) {
super.drawItem(g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column, pass);
return;
}
int visibleRow = state.getVisibleSeriesIndex(row);
if (visibleRow < 0) {
return;
}
int visibleRowCount = state.getVisibleSeriesCount();
StatisticalCategoryDataset statDataset = (StatisticalCategoryDataset) dataset;
Number meanValue = statDataset.getMeanValue(row, column);
if (meanValue == null) {
return;
}
PlotOrientation orientation = plot.getOrientation();
// current data point...
double x1;
if (getUseSeriesOffset()) {
x1 =
domainAxis.getCategorySeriesMiddle(
column,
dataset.getColumnCount(),
visibleRow,
visibleRowCount,
getItemMargin(),
dataArea,
plot.getDomainAxisEdge());
} else {
x1 =
domainAxis.getCategoryMiddle(
column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
}
double y1 = rangeAxis.valueToJava2D(meanValue.doubleValue(), dataArea, plot.getRangeAxisEdge());
// draw the standard deviation lines *before* the shapes (if they're
// visible) - it looks better if the shape fill colour is different to
// the line colour
Number sdv = statDataset.getStdDevValue(row, column);
if (pass == 1 && sdv != null) {
// standard deviation lines
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double valueDelta = sdv.doubleValue();
double highVal, lowVal;
if ((meanValue.doubleValue() + valueDelta) > rangeAxis.getRange().getUpperBound()) {
highVal =
rangeAxis.valueToJava2D(rangeAxis.getRange().getUpperBound(), dataArea, yAxisLocation);
} else {
highVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() + valueDelta, dataArea, yAxisLocation);
}
if ((meanValue.doubleValue() + valueDelta) < rangeAxis.getRange().getLowerBound()) {
lowVal =
rangeAxis.valueToJava2D(rangeAxis.getRange().getLowerBound(), dataArea, yAxisLocation);
} else {
lowVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() - valueDelta, dataArea, yAxisLocation);
}
if (this.errorIndicatorPaint != null) {
g2.setPaint(this.errorIndicatorPaint);
} else {
g2.setPaint(getItemPaint(row, column));
}
if (this.errorIndicatorStroke != null) {
g2.setStroke(this.errorIndicatorStroke);
} else {
g2.setStroke(getItemOutlineStroke(row, column));
}
Line2D line = new Line2D.Double();
if (orientation == PlotOrientation.HORIZONTAL) {
line.setLine(lowVal, x1, highVal, x1);
g2.draw(line);
line.setLine(lowVal, x1 - 5.0d, lowVal, x1 + 5.0d);
g2.draw(line);
line.setLine(highVal, x1 - 5.0d, highVal, x1 + 5.0d);
g2.draw(line);
} else { // PlotOrientation.VERTICAL
line.setLine(x1, lowVal, x1, highVal);
g2.draw(line);
line.setLine(x1 - 5.0d, highVal, x1 + 5.0d, highVal);
g2.draw(line);
line.setLine(x1 - 5.0d, lowVal, x1 + 5.0d, lowVal);
g2.draw(line);
}
}
Shape hotspot = null;
if (pass == 1 && getItemShapeVisible(row, column)) {
Shape shape = getItemShape(row, column);
if (orientation == PlotOrientation.HORIZONTAL) {
shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);
} else if (orientation == PlotOrientation.VERTICAL) {
shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);
}
hotspot = shape;
if (getItemShapeFilled(row, column)) {
if (getUseFillPaint()) {
g2.setPaint(getItemFillPaint(row, column));
} else {
g2.setPaint(getItemPaint(row, column));
}
g2.fill(shape);
}
if (getDrawOutlines()) {
if (getUseOutlinePaint()) {
g2.setPaint(getItemOutlinePaint(row, column));
} else {
g2.setPaint(getItemPaint(row, column));
}
g2.setStroke(getItemOutlineStroke(row, column));
g2.draw(shape);
}
// draw the item label if there is one...
if (isItemLabelVisible(row, column)) {
if (orientation == PlotOrientation.HORIZONTAL) {
drawItemLabel(
g2, orientation, dataset, row, column, y1, x1, (meanValue.doubleValue() < 0.0));
} else if (orientation == PlotOrientation.VERTICAL) {
drawItemLabel(
g2, orientation, dataset, row, column, x1, y1, (meanValue.doubleValue() < 0.0));
}
}
}
if (pass == 0 && getItemLineVisible(row, column)) {
if (column != 0) {
Number previousValue = statDataset.getValue(row, column - 1);
if (previousValue != null) {
// previous data point...
double previous = previousValue.doubleValue();
double x0;
if (getUseSeriesOffset()) {
x0 =
domainAxis.getCategorySeriesMiddle(
column - 1,
dataset.getColumnCount(),
visibleRow,
visibleRowCount,
getItemMargin(),
dataArea,
plot.getDomainAxisEdge());
} else {
x0 =
domainAxis.getCategoryMiddle(
column - 1, getColumnCount(), dataArea, plot.getDomainAxisEdge());
}
double y0 = rangeAxis.valueToJava2D(previous, dataArea, plot.getRangeAxisEdge());
Line2D line = null;
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(y0, x0, y1, x1);
} else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(x0, y0, x1, y1);
}
g2.setPaint(getItemPaint(row, column));
g2.setStroke(getItemStroke(row, column));
g2.draw(line);
}
}
}
if (pass == 1) {
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addEntity(entities, hotspot, dataset, row, column, x1, y1);
}
}
}
/**
* Draws an item for a plot with a vertical orientation.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the data area.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the data.
* @param visibleRow the visible row index.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
protected void drawVerticalItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
StatisticalCategoryDataset dataset,
int visibleRow,
int row,
int column) {
// BAR X
double rectX =
calculateBarW0(
plot, PlotOrientation.VERTICAL, dataArea, domainAxis, state, visibleRow, column);
// BAR Y
Number meanValue = dataset.getMeanValue(row, column);
if (meanValue == null) {
return;
}
double value = meanValue.doubleValue();
double base = 0.0;
double lclip = getLowerClip();
double uclip = getUpperClip();
if (uclip <= 0.0) { // cases 1, 2, 3 and 4
if (value >= uclip) {
return; // bar is not visible
}
base = uclip;
if (value <= lclip) {
value = lclip;
}
} else if (lclip <= 0.0) { // cases 5, 6, 7 and 8
if (value >= uclip) {
value = uclip;
} else {
if (value <= lclip) {
value = lclip;
}
}
} else { // cases 9, 10, 11 and 12
if (value <= lclip) {
return; // bar is not visible
}
base = getLowerClip();
if (value >= uclip) {
value = uclip;
}
}
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transY1 = rangeAxis.valueToJava2D(base, dataArea, yAxisLocation);
double transY2 = rangeAxis.valueToJava2D(value, dataArea, yAxisLocation);
double rectY = Math.min(transY2, transY1);
double rectWidth = state.getBarWidth();
double rectHeight = Math.abs(transY2 - transY1);
Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight);
Paint itemPaint = getItemPaint(row, column);
GradientPaintTransformer t = getGradientPaintTransformer();
if (t != null && itemPaint instanceof GradientPaint) {
itemPaint = t.transform((GradientPaint) itemPaint, bar);
}
g2.setPaint(itemPaint);
g2.fill(bar);
// draw the outline...
if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
Stroke stroke = getItemOutlineStroke(row, column);
Paint paint = getItemOutlinePaint(row, column);
if (stroke != null && paint != null) {
g2.setStroke(stroke);
g2.setPaint(paint);
g2.draw(bar);
}
}
// standard deviation lines
Number n = dataset.getStdDevValue(row, column);
if (n != null) {
double valueDelta = n.doubleValue();
double highVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() + valueDelta, dataArea, yAxisLocation);
double lowVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() - valueDelta, dataArea, yAxisLocation);
if (this.errorIndicatorPaint != null) {
g2.setPaint(this.errorIndicatorPaint);
} else {
g2.setPaint(getItemOutlinePaint(row, column));
}
if (this.errorIndicatorStroke != null) {
g2.setStroke(this.errorIndicatorStroke);
} else {
g2.setStroke(getItemOutlineStroke(row, column));
}
Line2D line;
line =
new Line2D.Double(
rectX + rectWidth / 2.0d, lowVal,
rectX + rectWidth / 2.0d, highVal);
g2.draw(line);
line =
new Line2D.Double(
rectX + rectWidth / 2.0d - 5.0d, highVal, rectX + rectWidth / 2.0d + 5.0d, highVal);
g2.draw(line);
line =
new Line2D.Double(
rectX + rectWidth / 2.0d - 5.0d, lowVal, rectX + rectWidth / 2.0d + 5.0d, lowVal);
g2.draw(line);
}
CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
}
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}
/**
* Draws the tasks/subtasks for one item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the data plot area.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the data.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
protected void drawTasks(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
GanttCategoryDataset dataset,
int row,
int column) {
int count = dataset.getSubIntervalCount(row, column);
if (count == 0) {
drawTask(g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column);
}
PlotOrientation orientation = plot.getOrientation();
for (int subinterval = 0; subinterval < count; subinterval++) {
RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
// value 0
Number value0 = dataset.getStartValue(row, column, subinterval);
if (value0 == null) {
return;
}
double translatedValue0 =
rangeAxis.valueToJava2D(value0.doubleValue(), dataArea, rangeAxisLocation);
// value 1
Number value1 = dataset.getEndValue(row, column, subinterval);
if (value1 == null) {
return;
}
double translatedValue1 =
rangeAxis.valueToJava2D(value1.doubleValue(), dataArea, rangeAxisLocation);
if (translatedValue1 < translatedValue0) {
double temp = translatedValue1;
translatedValue1 = translatedValue0;
translatedValue0 = temp;
}
double rectStart =
calculateBarW0(plot, plot.getOrientation(), dataArea, domainAxis, state, row, column);
double rectLength = Math.abs(translatedValue1 - translatedValue0);
double rectBreadth = state.getBarWidth();
// DRAW THE BARS...
Rectangle2D bar = null;
RectangleEdge barBase = null;
if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
bar = new Rectangle2D.Double(translatedValue0, rectStart, rectLength, rectBreadth);
barBase = RectangleEdge.LEFT;
} else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
bar = new Rectangle2D.Double(rectStart, translatedValue0, rectBreadth, rectLength);
barBase = RectangleEdge.BOTTOM;
}
Rectangle2D completeBar = null;
Rectangle2D incompleteBar = null;
Number percent = dataset.getPercentComplete(row, column, subinterval);
double start = getStartPercent();
double end = getEndPercent();
if (percent != null) {
double p = percent.doubleValue();
if (orientation == PlotOrientation.HORIZONTAL) {
completeBar =
new Rectangle2D.Double(
translatedValue0,
rectStart + start * rectBreadth,
rectLength * p,
rectBreadth * (end - start));
incompleteBar =
new Rectangle2D.Double(
translatedValue0 + rectLength * p,
rectStart + start * rectBreadth,
rectLength * (1 - p),
rectBreadth * (end - start));
} else if (orientation == PlotOrientation.VERTICAL) {
completeBar =
new Rectangle2D.Double(
rectStart + start * rectBreadth,
translatedValue0 + rectLength * (1 - p),
rectBreadth * (end - start),
rectLength * p);
incompleteBar =
new Rectangle2D.Double(
rectStart + start * rectBreadth,
translatedValue0,
rectBreadth * (end - start),
rectLength * (1 - p));
}
}
if (getShadowsVisible()) {
getBarPainter().paintBarShadow(g2, this, row, column, bar, barBase, true);
}
getBarPainter().paintBar(g2, this, row, column, bar, barBase);
if (completeBar != null) {
g2.setPaint(getCompletePaint());
g2.fill(completeBar);
}
if (incompleteBar != null) {
g2.setPaint(getIncompletePaint());
g2.fill(incompleteBar);
}
if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
g2.setStroke(getItemStroke(row, column));
g2.setPaint(getItemOutlinePaint(row, column));
g2.draw(bar);
}
if (subinterval == count - 1) {
// submit the current data point as a crosshair candidate
int datasetIndex = plot.indexOf(dataset);
Comparable columnKey = dataset.getColumnKey(column);
Comparable rowKey = dataset.getRowKey(row);
double xx =
domainAxis.getCategorySeriesMiddle(
columnKey, rowKey, dataset, getItemMargin(), dataArea, plot.getDomainAxisEdge());
updateCrosshairValues(
state.getCrosshairState(),
dataset.getRowKey(row),
dataset.getColumnKey(column),
value1.doubleValue(),
datasetIndex,
xx,
translatedValue1,
orientation);
}
// collect entity and tool tip information...
if (state.getInfo() != null) {
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}
}
}
/**
* Draws a single task.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the data plot area.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the data.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
protected void drawTask(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
GanttCategoryDataset dataset,
int row,
int column) {
PlotOrientation orientation = plot.getOrientation();
RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
// Y0
Number value0 = dataset.getEndValue(row, column);
if (value0 == null) {
return;
}
double java2dValue0 =
rangeAxis.valueToJava2D(value0.doubleValue(), dataArea, rangeAxisLocation);
// Y1
Number value1 = dataset.getStartValue(row, column);
if (value1 == null) {
return;
}
double java2dValue1 =
rangeAxis.valueToJava2D(value1.doubleValue(), dataArea, rangeAxisLocation);
if (java2dValue1 < java2dValue0) {
double temp = java2dValue1;
java2dValue1 = java2dValue0;
java2dValue0 = temp;
value1 = value0;
}
double rectStart = calculateBarW0(plot, orientation, dataArea, domainAxis, state, row, column);
double rectBreadth = state.getBarWidth();
double rectLength = Math.abs(java2dValue1 - java2dValue0);
Rectangle2D bar = null;
RectangleEdge barBase = null;
if (orientation == PlotOrientation.HORIZONTAL) {
bar = new Rectangle2D.Double(java2dValue0, rectStart, rectLength, rectBreadth);
barBase = RectangleEdge.LEFT;
} else if (orientation == PlotOrientation.VERTICAL) {
bar = new Rectangle2D.Double(rectStart, java2dValue1, rectBreadth, rectLength);
barBase = RectangleEdge.BOTTOM;
}
Rectangle2D completeBar = null;
Rectangle2D incompleteBar = null;
Number percent = dataset.getPercentComplete(row, column);
double start = getStartPercent();
double end = getEndPercent();
if (percent != null) {
double p = percent.doubleValue();
if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
completeBar =
new Rectangle2D.Double(
java2dValue0,
rectStart + start * rectBreadth,
rectLength * p,
rectBreadth * (end - start));
incompleteBar =
new Rectangle2D.Double(
java2dValue0 + rectLength * p,
rectStart + start * rectBreadth,
rectLength * (1 - p),
rectBreadth * (end - start));
} else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
completeBar =
new Rectangle2D.Double(
rectStart + start * rectBreadth,
java2dValue1 + rectLength * (1 - p),
rectBreadth * (end - start),
rectLength * p);
incompleteBar =
new Rectangle2D.Double(
rectStart + start * rectBreadth,
java2dValue1,
rectBreadth * (end - start),
rectLength * (1 - p));
}
}
if (getShadowsVisible()) {
getBarPainter().paintBarShadow(g2, this, row, column, bar, barBase, true);
}
getBarPainter().paintBar(g2, this, row, column, bar, barBase);
if (completeBar != null) {
g2.setPaint(getCompletePaint());
g2.fill(completeBar);
}
if (incompleteBar != null) {
g2.setPaint(getIncompletePaint());
g2.fill(incompleteBar);
}
// draw the outline...
if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
Stroke stroke = getItemOutlineStroke(row, column);
Paint paint = getItemOutlinePaint(row, column);
if (stroke != null && paint != null) {
g2.setStroke(stroke);
g2.setPaint(paint);
g2.draw(bar);
}
}
CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, false);
}
// submit the current data point as a crosshair candidate
int datasetIndex = plot.indexOf(dataset);
Comparable columnKey = dataset.getColumnKey(column);
Comparable rowKey = dataset.getRowKey(row);
double xx =
domainAxis.getCategorySeriesMiddle(
columnKey, rowKey, dataset, getItemMargin(), dataArea, plot.getDomainAxisEdge());
updateCrosshairValues(
state.getCrosshairState(),
dataset.getRowKey(row),
dataset.getColumnKey(column),
value1.doubleValue(),
datasetIndex,
xx,
java2dValue1,
orientation);
// collect entity and tool tip information...
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}
/**
* Draw a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the data plot area.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
* @param pass the pass index.
*/
@Override
public void drawItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column,
int pass) {
// do nothing if item is not visible or null
if (!getItemVisible(row, column)) {
return;
}
Number value = dataset.getValue(row, column);
if (value == null) {
return;
}
PlotOrientation orientation = plot.getOrientation();
RectangleEdge axisEdge = plot.getDomainAxisEdge();
int count = dataset.getColumnCount();
float x0 = (float) domainAxis.getCategoryStart(column, count, dataArea, axisEdge);
float x1 = (float) domainAxis.getCategoryMiddle(column, count, dataArea, axisEdge);
float x2 = (float) domainAxis.getCategoryEnd(column, count, dataArea, axisEdge);
x0 = Math.round(x0);
x1 = Math.round(x1);
x2 = Math.round(x2);
if (this.endType == AreaRendererEndType.TRUNCATE) {
if (column == 0) {
x0 = x1;
} else if (column == getColumnCount() - 1) {
x2 = x1;
}
}
double yy1 = value.doubleValue();
double yy0 = 0.0;
if (this.endType == AreaRendererEndType.LEVEL) {
yy0 = yy1;
}
if (column > 0) {
Number n0 = dataset.getValue(row, column - 1);
if (n0 != null) {
yy0 = (n0.doubleValue() + yy1) / 2.0;
}
}
double yy2 = 0.0;
if (column < dataset.getColumnCount() - 1) {
Number n2 = dataset.getValue(row, column + 1);
if (n2 != null) {
yy2 = (n2.doubleValue() + yy1) / 2.0;
}
} else if (this.endType == AreaRendererEndType.LEVEL) {
yy2 = yy1;
}
RectangleEdge edge = plot.getRangeAxisEdge();
float y0 = (float) rangeAxis.valueToJava2D(yy0, dataArea, edge);
float y1 = (float) rangeAxis.valueToJava2D(yy1, dataArea, edge);
float y2 = (float) rangeAxis.valueToJava2D(yy2, dataArea, edge);
float yz = (float) rangeAxis.valueToJava2D(0.0, dataArea, edge);
double labelXX = x1;
double labelYY = y1;
g2.setPaint(getItemPaint(row, column));
g2.setStroke(getItemStroke(row, column));
GeneralPath area = new GeneralPath();
if (orientation == PlotOrientation.VERTICAL) {
area.moveTo(x0, yz);
area.lineTo(x0, y0);
area.lineTo(x1, y1);
area.lineTo(x2, y2);
area.lineTo(x2, yz);
} else if (orientation == PlotOrientation.HORIZONTAL) {
area.moveTo(yz, x0);
area.lineTo(y0, x0);
area.lineTo(y1, x1);
area.lineTo(y2, x2);
area.lineTo(yz, x2);
double temp = labelXX;
labelXX = labelYY;
labelYY = temp;
}
area.closePath();
g2.setPaint(getItemPaint(row, column));
g2.fill(area);
// draw the item labels if there are any...
if (isItemLabelVisible(row, column)) {
drawItemLabel(
g2, orientation, dataset, row, column, labelXX, labelYY, (value.doubleValue() < 0.0));
}
// submit the current data point as a crosshair candidate
int datasetIndex = plot.indexOf(dataset);
updateCrosshairValues(
state.getCrosshairState(),
dataset.getRowKey(row),
dataset.getColumnKey(column),
yy1,
datasetIndex,
x1,
y1,
orientation);
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, area);
}
}
/**
* Draws the bar for a single (series, category) data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the data area.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
* @param pass the pass index.
*/
public void drawItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column,
int pass) {
double previous = state.getSeriesRunningTotal();
if (column == dataset.getColumnCount() - 1) {
previous = 0.0;
}
double current = 0.0;
Number n = dataset.getValue(row, column);
if (n != null) {
current = previous + n.doubleValue();
}
state.setSeriesRunningTotal(current);
int categoryCount = getColumnCount();
PlotOrientation orientation = plot.getOrientation();
double rectX = 0.0;
double rectY = 0.0;
RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
// Y0
double j2dy0 = rangeAxis.valueToJava2D(previous, dataArea, rangeAxisLocation);
// Y1
double j2dy1 = rangeAxis.valueToJava2D(current, dataArea, rangeAxisLocation);
double valDiff = current - previous;
if (j2dy1 < j2dy0) {
double temp = j2dy1;
j2dy1 = j2dy0;
j2dy0 = temp;
}
// BAR WIDTH
double rectWidth = state.getBarWidth();
// BAR HEIGHT
double rectHeight = Math.max(getMinimumBarLength(), Math.abs(j2dy1 - j2dy0));
Comparable seriesKey = dataset.getRowKey(row);
Comparable categoryKey = dataset.getColumnKey(column);
if (orientation == PlotOrientation.HORIZONTAL) {
rectY =
domainAxis.getCategorySeriesMiddle(
categoryKey, seriesKey, dataset, getItemMargin(), dataArea, RectangleEdge.LEFT);
rectX = j2dy0;
rectHeight = state.getBarWidth();
rectY = rectY - rectHeight / 2.0;
rectWidth = Math.max(getMinimumBarLength(), Math.abs(j2dy1 - j2dy0));
} else if (orientation == PlotOrientation.VERTICAL) {
rectX =
domainAxis.getCategorySeriesMiddle(
categoryKey, seriesKey, dataset, getItemMargin(), dataArea, RectangleEdge.TOP);
rectX = rectX - rectWidth / 2.0;
rectY = j2dy0;
}
Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight);
Paint seriesPaint = getFirstBarPaint();
if (column == 0) {
seriesPaint = getFirstBarPaint();
} else if (column == categoryCount - 1) {
seriesPaint = getLastBarPaint();
} else {
if (valDiff < 0.0) {
seriesPaint = getNegativeBarPaint();
} else if (valDiff > 0.0) {
seriesPaint = getPositiveBarPaint();
} else {
seriesPaint = getLastBarPaint();
}
}
if (getGradientPaintTransformer() != null && seriesPaint instanceof GradientPaint) {
GradientPaint gp = (GradientPaint) seriesPaint;
seriesPaint = getGradientPaintTransformer().transform(gp, bar);
}
g2.setPaint(seriesPaint);
g2.fill(bar);
// draw the outline...
if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
Stroke stroke = getItemOutlineStroke(row, column);
Paint paint = getItemOutlinePaint(row, column);
if (stroke != null && paint != null) {
g2.setStroke(stroke);
g2.setPaint(paint);
g2.draw(bar);
}
}
CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, (valDiff < 0.0));
}
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}
/**
* Draws the visual representation of a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the plot is being drawn.
* @param info collects information about the drawing.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param crosshairState crosshair information for the plot (<code>null</code> permitted).
* @param pass the pass index (ignored here).
*/
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
// setup for collecting optional entity info...
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
}
IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;
double x = intervalDataset.getXValue(series, item);
double yLow = intervalDataset.getStartYValue(series, item);
double yHigh = intervalDataset.getEndYValue(series, item);
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double xx = domainAxis.valueToJava2D(x, dataArea, xAxisLocation);
double yyLow = rangeAxis.valueToJava2D(yLow, dataArea, yAxisLocation);
double yyHigh = rangeAxis.valueToJava2D(yHigh, dataArea, yAxisLocation);
Paint p = getItemPaint(series, item);
Stroke s = getItemStroke(series, item);
Line2D line = null;
Shape shape = getItemShape(series, item);
Shape top = null;
Shape bottom = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(yyLow, xx, yyHigh, xx);
top = ShapeUtilities.createTranslatedShape(shape, yyHigh, xx);
bottom = ShapeUtilities.createTranslatedShape(shape, yyLow, xx);
} else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(xx, yyLow, xx, yyHigh);
top = ShapeUtilities.createTranslatedShape(shape, xx, yyHigh);
bottom = ShapeUtilities.createTranslatedShape(shape, xx, yyLow);
}
g2.setPaint(p);
g2.setStroke(s);
g2.draw(line);
g2.fill(top);
g2.fill(bottom);
// for item labels, we have a special case because there is the
// possibility to draw (a) the regular item label near to just the
// upper y-value, or (b) the regular item label near the upper y-value
// PLUS an additional item label near the lower y-value.
if (isItemLabelVisible(series, item)) {
drawItemLabel(g2, orientation, dataset, series, item, xx, yyHigh, false);
drawAdditionalItemLabel(g2, orientation, dataset, series, item, xx, yyLow);
}
// add an entity for the item...
if (entities != null) {
addEntity(entities, line.getBounds(), dataset, series, item, 0.0, 0.0);
}
}
/**
* Draws the visual representation of a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the data is being drawn.
* @param info collects information about the drawing.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain axis.
* @param rangeAxis the vertical axis.
* @param dataset the dataset.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param crosshairState crosshair information for the plot ({@code null} permitted).
* @param pass the pass index.
*/
@Override
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
// do nothing if item is not visible
if (!getItemVisible(series, item)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Paint seriesPaint = getItemPaint(series, item);
Stroke seriesStroke = getItemStroke(series, item);
g2.setPaint(seriesPaint);
g2.setStroke(seriesStroke);
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double transY1 =
(Double.isNaN(y1) ? Double.NaN : rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation));
if (pass == 0 && item > 0) {
// get the previous data point...
double x0 = dataset.getXValue(series, item - 1);
double y0 = dataset.getYValue(series, item - 1);
double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
double transY0 =
(Double.isNaN(y0) ? Double.NaN : rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation));
if (orientation == PlotOrientation.HORIZONTAL) {
if (transY0 == transY1) {
// this represents the situation
// for drawing a horizontal bar.
drawLine(g2, state.workingLine, transY0, transX0, transY1, transX1);
} else { // this handles the need to perform a 'step'.
// calculate the step point
double transXs = transX0 + (getStepPoint() * (transX1 - transX0));
drawLine(g2, state.workingLine, transY0, transX0, transY0, transXs);
drawLine(g2, state.workingLine, transY0, transXs, transY1, transXs);
drawLine(g2, state.workingLine, transY1, transXs, transY1, transX1);
}
} else if (orientation == PlotOrientation.VERTICAL) {
if (transY0 == transY1) { // this represents the situation
// for drawing a horizontal bar.
drawLine(g2, state.workingLine, transX0, transY0, transX1, transY1);
} else { // this handles the need to perform a 'step'.
// calculate the step point
double transXs = transX0 + (getStepPoint() * (transX1 - transX0));
drawLine(g2, state.workingLine, transX0, transY0, transXs, transY0);
drawLine(g2, state.workingLine, transXs, transY0, transXs, transY1);
drawLine(g2, state.workingLine, transXs, transY1, transX1, transY1);
}
}
// submit this data item as a candidate for the crosshair point
int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
updateCrosshairValues(
crosshairState, x1, y1, domainAxisIndex, rangeAxisIndex, transX1, transY1, orientation);
// collect entity and tool tip information...
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addEntity(entities, null, dataset, series, item, transX1, transY1);
}
}
if (pass == 1) {
// draw the item label if there is one...
if (isItemLabelVisible(series, item)) {
double xx = transX1;
double yy = transY1;
if (orientation == PlotOrientation.HORIZONTAL) {
xx = transY1;
yy = transX1;
}
drawItemLabel(g2, orientation, dataset, series, item, xx, yy, (y1 < 0.0));
}
}
}
/**
* Draws the visual representation of a single data item when the plot has a vertical orientation.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the plot is being drawn.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset (must be an instance of {@link BoxAndWhiskerCategoryDataset}).
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
public void drawVerticalItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column) {
BoxAndWhiskerCategoryDataset bawDataset = (BoxAndWhiskerCategoryDataset) dataset;
double categoryEnd =
domainAxis.getCategoryEnd(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
double categoryStart =
domainAxis.getCategoryStart(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
double categoryWidth = categoryEnd - categoryStart;
double xx = categoryStart;
int seriesCount = getRowCount();
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap =
dataArea.getWidth() * getItemMargin() / (categoryCount * (seriesCount - 1));
double usedWidth = (state.getBarWidth() * seriesCount) + (seriesGap * (seriesCount - 1));
// offset the start of the boxes if the total width used is smaller
// than the category width
double offset = (categoryWidth - usedWidth) / 2;
xx = xx + offset + (row * (state.getBarWidth() + seriesGap));
} else {
// offset the start of the box if the box width is smaller than the
// category width
double offset = (categoryWidth - state.getBarWidth()) / 2;
xx = xx + offset;
}
double yyAverage = 0.0;
double yyOutlier;
Paint itemPaint = getItemPaint(row, column);
g2.setPaint(itemPaint);
Stroke s = getItemStroke(row, column);
g2.setStroke(s);
double aRadius = 0; // average radius
RectangleEdge location = plot.getRangeAxisEdge();
Number yQ1 = bawDataset.getQ1Value(row, column);
Number yQ3 = bawDataset.getQ3Value(row, column);
Number yMax = bawDataset.getMaxRegularValue(row, column);
Number yMin = bawDataset.getMinRegularValue(row, column);
Shape box = null;
if (yQ1 != null && yQ3 != null && yMax != null && yMin != null) {
double yyQ1 = rangeAxis.valueToJava2D(yQ1.doubleValue(), dataArea, location);
double yyQ3 = rangeAxis.valueToJava2D(yQ3.doubleValue(), dataArea, location);
double yyMax = rangeAxis.valueToJava2D(yMax.doubleValue(), dataArea, location);
double yyMin = rangeAxis.valueToJava2D(yMin.doubleValue(), dataArea, location);
double xxmid = xx + state.getBarWidth() / 2.0;
// draw the upper shadow...
g2.draw(new Line2D.Double(xxmid, yyMax, xxmid, yyQ3));
g2.draw(new Line2D.Double(xx, yyMax, xx + state.getBarWidth(), yyMax));
// draw the lower shadow...
g2.draw(new Line2D.Double(xxmid, yyMin, xxmid, yyQ1));
g2.draw(new Line2D.Double(xx, yyMin, xx + state.getBarWidth(), yyMin));
// draw the body...
box =
new Rectangle2D.Double(
xx, Math.min(yyQ1, yyQ3), state.getBarWidth(), Math.abs(yyQ1 - yyQ3));
if (this.fillBox) {
g2.fill(box);
}
g2.setStroke(getItemOutlineStroke(row, column));
g2.setPaint(getItemOutlinePaint(row, column));
g2.draw(box);
}
g2.setPaint(this.artifactPaint);
// draw mean - SPECIAL AIMS REQUIREMENT...
Number yMean = bawDataset.getMeanValue(row, column);
if (yMean != null) {
yyAverage = rangeAxis.valueToJava2D(yMean.doubleValue(), dataArea, location);
aRadius = state.getBarWidth() / 4;
// here we check that the average marker will in fact be visible
// before drawing it...
if ((yyAverage > (dataArea.getMinY() - aRadius))
&& (yyAverage < (dataArea.getMaxY() + aRadius))) {
Ellipse2D.Double avgEllipse =
new Ellipse2D.Double(xx + aRadius, yyAverage - aRadius, aRadius * 2, aRadius * 2);
g2.fill(avgEllipse);
g2.draw(avgEllipse);
}
}
// draw median...
Number yMedian = bawDataset.getMedianValue(row, column);
if (yMedian != null) {
double yyMedian = rangeAxis.valueToJava2D(yMedian.doubleValue(), dataArea, location);
g2.draw(new Line2D.Double(xx, yyMedian, xx + state.getBarWidth(), yyMedian));
}
// draw yOutliers...
double maxAxisValue =
rangeAxis.valueToJava2D(rangeAxis.getUpperBound(), dataArea, location) + aRadius;
double minAxisValue =
rangeAxis.valueToJava2D(rangeAxis.getLowerBound(), dataArea, location) - aRadius;
g2.setPaint(itemPaint);
// draw outliers
double oRadius = state.getBarWidth() / 3; // outlier radius
List outliers = new ArrayList();
OutlierListCollection outlierListCollection = new OutlierListCollection();
// From outlier array sort out which are outliers and put these into a
// list If there are any farouts, set the flag on the
// OutlierListCollection
List yOutliers = bawDataset.getOutliers(row, column);
if (yOutliers != null) {
for (int i = 0; i < yOutliers.size(); i++) {
double outlier = ((Number) yOutliers.get(i)).doubleValue();
Number minOutlier = bawDataset.getMinOutlier(row, column);
Number maxOutlier = bawDataset.getMaxOutlier(row, column);
Number minRegular = bawDataset.getMinRegularValue(row, column);
Number maxRegular = bawDataset.getMaxRegularValue(row, column);
if (outlier > maxOutlier.doubleValue()) {
outlierListCollection.setHighFarOut(true);
} else if (outlier < minOutlier.doubleValue()) {
outlierListCollection.setLowFarOut(true);
} else if (outlier > maxRegular.doubleValue()) {
yyOutlier = rangeAxis.valueToJava2D(outlier, dataArea, location);
outliers.add(new Outlier(xx + state.getBarWidth() / 2.0, yyOutlier, oRadius));
} else if (outlier < minRegular.doubleValue()) {
yyOutlier = rangeAxis.valueToJava2D(outlier, dataArea, location);
outliers.add(new Outlier(xx + state.getBarWidth() / 2.0, yyOutlier, oRadius));
}
Collections.sort(outliers);
}
// Process outliers. Each outlier is either added to the
// appropriate outlier list or a new outlier list is made
for (Iterator iterator = outliers.iterator(); iterator.hasNext(); ) {
Outlier outlier = (Outlier) iterator.next();
outlierListCollection.add(outlier);
}
for (Iterator iterator = outlierListCollection.iterator(); iterator.hasNext(); ) {
OutlierList list = (OutlierList) iterator.next();
Outlier outlier = list.getAveragedOutlier();
Point2D point = outlier.getPoint();
if (list.isMultiple()) {
drawMultipleEllipse(point, state.getBarWidth(), oRadius, g2);
} else {
drawEllipse(point, oRadius, g2);
}
}
// draw farout indicators
if (outlierListCollection.isHighFarOut()) {
drawHighFarOut(aRadius / 2.0, g2, xx + state.getBarWidth() / 2.0, maxAxisValue);
}
if (outlierListCollection.isLowFarOut()) {
drawLowFarOut(aRadius / 2.0, g2, xx + state.getBarWidth() / 2.0, minAxisValue);
}
}
// collect entity and tool tip information...
if (state.getInfo() != null && box != null) {
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, box);
}
}
}
/**
* Draws the annotation.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param rendererIndex the renderer index.
* @param info the plot rendering info.
*/
public void draw(
Graphics2D g2,
XYPlot plot,
Rectangle2D dataArea,
ValueAxis domainAxis,
ValueAxis rangeAxis,
int rendererIndex,
PlotRenderingInfo info) {
PlotOrientation orientation = plot.getOrientation();
RectangleEdge domainEdge =
Plot.resolveDomainAxisLocation(plot.getDomainAxisLocation(), orientation);
RectangleEdge rangeEdge =
Plot.resolveRangeAxisLocation(plot.getRangeAxisLocation(), orientation);
double j2DX = domainAxis.valueToJava2D(getX(), dataArea, domainEdge);
double j2DY = rangeAxis.valueToJava2D(getY(), dataArea, rangeEdge);
if (orientation == PlotOrientation.HORIZONTAL) {
double temp = j2DX;
j2DX = j2DY;
j2DY = temp;
}
double startX = j2DX + Math.cos(this.angle) * this.baseRadius;
double startY = j2DY + Math.sin(this.angle) * this.baseRadius;
double endX = j2DX + Math.cos(this.angle) * this.tipRadius;
double endY = j2DY + Math.sin(this.angle) * this.tipRadius;
double arrowBaseX = endX + Math.cos(this.angle) * this.arrowLength;
double arrowBaseY = endY + Math.sin(this.angle) * this.arrowLength;
double arrowLeftX = arrowBaseX + Math.cos(this.angle + Math.PI / 2.0) * this.arrowWidth;
double arrowLeftY = arrowBaseY + Math.sin(this.angle + Math.PI / 2.0) * this.arrowWidth;
double arrowRightX = arrowBaseX - Math.cos(this.angle + Math.PI / 2.0) * this.arrowWidth;
double arrowRightY = arrowBaseY - Math.sin(this.angle + Math.PI / 2.0) * this.arrowWidth;
GeneralPath arrow = new GeneralPath();
arrow.moveTo((float) endX, (float) endY);
arrow.lineTo((float) arrowLeftX, (float) arrowLeftY);
arrow.lineTo((float) arrowRightX, (float) arrowRightY);
arrow.closePath();
g2.setStroke(this.arrowStroke);
g2.setPaint(this.arrowPaint);
Line2D line = new Line2D.Double(startX, startY, arrowBaseX, arrowBaseY);
g2.draw(line);
g2.fill(arrow);
// draw the label
double labelX = j2DX + Math.cos(this.angle) * (this.baseRadius + this.labelOffset);
double labelY = j2DY + Math.sin(this.angle) * (this.baseRadius + this.labelOffset);
g2.setFont(getFont());
Shape hotspot =
TextUtilities.calculateRotatedStringBounds(
getText(),
g2,
(float) labelX,
(float) labelY,
getTextAnchor(),
getRotationAngle(),
getRotationAnchor());
if (getBackgroundPaint() != null) {
g2.setPaint(getBackgroundPaint());
g2.fill(hotspot);
}
g2.setPaint(getPaint());
TextUtilities.drawRotatedString(
getText(),
g2,
(float) labelX,
(float) labelY,
getTextAnchor(),
getRotationAngle(),
getRotationAnchor());
if (isOutlineVisible()) {
g2.setStroke(getOutlineStroke());
g2.setPaint(getOutlinePaint());
g2.draw(hotspot);
}
String toolTip = getToolTipText();
String url = getURL();
if (toolTip != null || url != null) {
addEntity(info, hotspot, rendererIndex, toolTip, url);
}
}
/**
* Draws the visual representation of a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the data is being drawn.
* @param info collects information about the drawing.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param crosshairState crosshair information for the plot (<code>null</code> permitted).
* @param pass the pass index.
*/
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
if (!getItemVisible(series, item)) {
return;
}
// setup for collecting optional entity info...
Shape entityArea = null;
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
}
PlotOrientation orientation = plot.getOrientation();
Paint paint = getItemPaint(series, item);
Stroke seriesStroke = getItemStroke(series, item);
g2.setPaint(paint);
g2.setStroke(seriesStroke);
// get the data point...
double x1 = dataset.getXValue(series, item);
double y1 = dataset.getYValue(series, item);
if (Double.isNaN(x1) || Double.isNaN(y1)) {
return;
}
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
if (getPlotLines()) {
if (item == 0) {
if (this.drawSeriesLineAsPath) {
State s = (State) state;
s.seriesPath.reset();
s.lastPointGood = false;
}
}
if (this.drawSeriesLineAsPath) {
State s = (State) state;
// update path to reflect latest point
if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) {
float x = (float) transX1;
float y = (float) transY1;
if (orientation == PlotOrientation.HORIZONTAL) {
x = (float) transY1;
y = (float) transX1;
}
if (s.isLastPointGood()) {
// TODO: check threshold
s.seriesPath.lineTo(x, y);
} else {
s.seriesPath.moveTo(x, y);
}
s.setLastPointGood(true);
} else {
s.setLastPointGood(false);
}
if (item == dataset.getItemCount(series) - 1) {
// draw path
g2.setStroke(getSeriesStroke(series));
g2.setPaint(getSeriesPaint(series));
g2.draw(s.seriesPath);
}
} else if (item != 0) {
// get the previous data point...
double x0 = dataset.getXValue(series, item - 1);
double y0 = dataset.getYValue(series, item - 1);
if (!Double.isNaN(x0) && !Double.isNaN(y0)) {
boolean drawLine = true;
if (getPlotDiscontinuous()) {
// only draw a line if the gap between the current and
// previous data point is within the threshold
int numX = dataset.getItemCount(series);
double minX = dataset.getXValue(series, 0);
double maxX = dataset.getXValue(series, numX - 1);
if (this.gapThresholdType == UnitType.ABSOLUTE) {
drawLine = Math.abs(x1 - x0) <= this.gapThreshold;
} else {
drawLine = Math.abs(x1 - x0) <= ((maxX - minX) / numX * getGapThreshold());
}
}
if (drawLine) {
double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);
// only draw if we have good values
if (Double.isNaN(transX0)
|| Double.isNaN(transY0)
|| Double.isNaN(transX1)
|| Double.isNaN(transY1)) {
return;
}
if (orientation == PlotOrientation.HORIZONTAL) {
state.workingLine.setLine(transY0, transX0, transY1, transX1);
} else if (orientation == PlotOrientation.VERTICAL) {
state.workingLine.setLine(transX0, transY0, transX1, transY1);
}
if (state.workingLine.intersects(dataArea)) {
g2.draw(state.workingLine);
}
}
}
}
}
if (getPlotShapes()) {
Shape shape = getItemShape(series, item);
if (orientation == PlotOrientation.HORIZONTAL) {
shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1);
} else if (orientation == PlotOrientation.VERTICAL) {
shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1);
}
if (shape.intersects(dataArea)) {
if (getItemShapeFilled(series, item)) {
g2.fill(shape);
} else {
g2.draw(shape);
}
}
entityArea = shape;
}
if (getPlotImages()) {
Image image = getImage(plot, series, item, transX1, transY1);
if (image != null) {
Point hotspot = getImageHotspot(plot, series, item, transX1, transY1, image);
g2.drawImage(
image, (int) (transX1 - hotspot.getX()), (int) (transY1 - hotspot.getY()), null);
entityArea =
new Rectangle2D.Double(
transX1 - hotspot.getX(),
transY1 - hotspot.getY(),
image.getWidth(null),
image.getHeight(null));
}
}
// draw the item label if there is one...
if (isItemLabelVisible(series, item)) {
double xx = transX1;
double yy = transY1;
if (orientation == PlotOrientation.HORIZONTAL) {
xx = transY1;
yy = transX1;
}
drawItemLabel(g2, orientation, dataset, series, item, xx, yy, (y1 < 0.0));
}
updateCrosshairValues(crosshairState, x1, y1, transX1, transY1, orientation);
// add an entity for the item...
if (entities != null) {
addEntity(entities, entityArea, dataset, series, item, transX1, transY1);
}
}
/**
* Draw a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area in which the data is drawn.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
* @param pass the pass index.
*/
@Override
public void drawItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column,
int pass) {
if (!getItemVisible(row, column)) {
return;
}
// nothing is drawn for null...
Number v = dataset.getValue(row, column);
if (v == null) {
return;
}
Rectangle2D adjusted =
new Rectangle2D.Double(
dataArea.getX(),
dataArea.getY() + getYOffset(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
PlotOrientation orientation = plot.getOrientation();
// current data point...
double x1 =
domainAxis.getCategoryMiddle(column, getColumnCount(), adjusted, plot.getDomainAxisEdge());
double value = v.doubleValue();
double y1 = rangeAxis.valueToJava2D(value, adjusted, plot.getRangeAxisEdge());
Shape shape = getItemShape(row, column);
if (orientation == PlotOrientation.HORIZONTAL) {
shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);
} else if (orientation == PlotOrientation.VERTICAL) {
shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);
}
if (pass == 0 && getItemLineVisible(row, column)) {
if (column != 0) {
Number previousValue = dataset.getValue(row, column - 1);
if (previousValue != null) {
// previous data point...
double previous = previousValue.doubleValue();
double x0 =
domainAxis.getCategoryMiddle(
column - 1, getColumnCount(), adjusted, plot.getDomainAxisEdge());
double y0 = rangeAxis.valueToJava2D(previous, adjusted, plot.getRangeAxisEdge());
double x2 = x0 + getXOffset();
double y2 = y0 - getYOffset();
double x3 = x1 + getXOffset();
double y3 = y1 - getYOffset();
GeneralPath clip = new GeneralPath();
if (orientation == PlotOrientation.HORIZONTAL) {
clip.moveTo((float) y0, (float) x0);
clip.lineTo((float) y1, (float) x1);
clip.lineTo((float) y3, (float) x3);
clip.lineTo((float) y2, (float) x2);
clip.lineTo((float) y0, (float) x0);
clip.closePath();
} else if (orientation == PlotOrientation.VERTICAL) {
clip.moveTo((float) x0, (float) y0);
clip.lineTo((float) x1, (float) y1);
clip.lineTo((float) x3, (float) y3);
clip.lineTo((float) x2, (float) y2);
clip.lineTo((float) x0, (float) y0);
clip.closePath();
}
g2.setPaint(getItemPaint(row, column));
g2.fill(clip);
g2.setStroke(getItemOutlineStroke(row, column));
g2.setPaint(getItemOutlinePaint(row, column));
g2.draw(clip);
}
}
}
// draw the item label if there is one...
if (pass == 1 && isItemLabelVisible(row, column)) {
if (orientation == PlotOrientation.HORIZONTAL) {
drawItemLabel(g2, orientation, dataset, row, column, y1, x1, (value < 0.0));
} else if (orientation == PlotOrientation.VERTICAL) {
drawItemLabel(g2, orientation, dataset, row, column, x1, y1, (value < 0.0));
}
}
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, shape);
}
}
/**
* Draws the visual representation of a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the plot is being drawn.
* @param info collects information about the drawing.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param crosshairState crosshair information for the plot ({@code null} permitted).
* @param pass the pass index.
*/
@Override
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
if (!getItemVisible(series, item)) {
return;
}
IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset;
double value0;
double value1;
if (this.useYInterval) {
value0 = intervalDataset.getStartYValue(series, item);
value1 = intervalDataset.getEndYValue(series, item);
} else {
value0 = this.base;
value1 = intervalDataset.getYValue(series, item);
}
if (Double.isNaN(value0) || Double.isNaN(value1)) {
return;
}
if (value0 <= value1) {
if (!rangeAxis.getRange().intersects(value0, value1)) {
return;
}
} else {
if (!rangeAxis.getRange().intersects(value1, value0)) {
return;
}
}
double translatedValue0 = rangeAxis.valueToJava2D(value0, dataArea, plot.getRangeAxisEdge());
double translatedValue1 = rangeAxis.valueToJava2D(value1, dataArea, plot.getRangeAxisEdge());
double bottom = Math.min(translatedValue0, translatedValue1);
double top = Math.max(translatedValue0, translatedValue1);
double startX = intervalDataset.getStartXValue(series, item);
if (Double.isNaN(startX)) {
return;
}
double endX = intervalDataset.getEndXValue(series, item);
if (Double.isNaN(endX)) {
return;
}
if (startX <= endX) {
if (!domainAxis.getRange().intersects(startX, endX)) {
return;
}
} else {
if (!domainAxis.getRange().intersects(endX, startX)) {
return;
}
}
// is there an alignment adjustment to be made?
if (this.barAlignmentFactor >= 0.0 && this.barAlignmentFactor <= 1.0) {
double x = intervalDataset.getXValue(series, item);
double interval = endX - startX;
startX = x - interval * this.barAlignmentFactor;
endX = startX + interval;
}
RectangleEdge location = plot.getDomainAxisEdge();
double translatedStartX = domainAxis.valueToJava2D(startX, dataArea, location);
double translatedEndX = domainAxis.valueToJava2D(endX, dataArea, location);
double translatedWidth = Math.max(1, Math.abs(translatedEndX - translatedStartX));
double left = Math.min(translatedStartX, translatedEndX);
if (getMargin() > 0.0) {
double cut = translatedWidth * getMargin();
translatedWidth = translatedWidth - cut;
left = left + cut / 2;
}
Rectangle2D bar = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation.isHorizontal()) {
// clip left and right bounds to data area
bottom = Math.max(bottom, dataArea.getMinX());
top = Math.min(top, dataArea.getMaxX());
bar = new Rectangle2D.Double(bottom, left, top - bottom, translatedWidth);
} else if (orientation.isVertical()) {
// clip top and bottom bounds to data area
bottom = Math.max(bottom, dataArea.getMinY());
top = Math.min(top, dataArea.getMaxY());
bar = new Rectangle2D.Double(left, bottom, translatedWidth, top - bottom);
}
boolean positive = (value1 > 0.0);
boolean inverted = rangeAxis.isInverted();
RectangleEdge barBase;
if (orientation.isHorizontal()) {
if (positive && inverted || !positive && !inverted) {
barBase = RectangleEdge.RIGHT;
} else {
barBase = RectangleEdge.LEFT;
}
} else {
if (positive && !inverted || !positive && inverted) {
barBase = RectangleEdge.BOTTOM;
} else {
barBase = RectangleEdge.TOP;
}
}
if (state.getElementHinting()) {
beginElementGroup(g2, dataset.getSeriesKey(series), item);
}
if (getShadowsVisible()) {
this.barPainter.paintBarShadow(g2, this, series, item, bar, barBase, !this.useYInterval);
}
this.barPainter.paintBar(g2, this, series, item, bar, barBase);
if (state.getElementHinting()) {
endElementGroup(g2);
}
if (isItemLabelVisible(series, item)) {
XYItemLabelGenerator generator = getItemLabelGenerator(series, item);
drawItemLabel(g2, dataset, series, item, plot, generator, bar, value1 < 0.0);
}
// update the crosshair point
double x1 = (startX + endX) / 2.0;
double y1 = dataset.getYValue(series, item);
double transX1 = domainAxis.valueToJava2D(x1, dataArea, location);
double transY1 = rangeAxis.valueToJava2D(y1, dataArea, plot.getRangeAxisEdge());
int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
updateCrosshairValues(
crosshairState,
x1,
y1,
domainAxisIndex,
rangeAxisIndex,
transX1,
transY1,
plot.getOrientation());
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addEntity(entities, bar, dataset, series, item, 0.0, 0.0);
}
}
/**
* Draws the visual representation of a single data item when the plot has a horizontal
* orientation.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the plot is being drawn.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset (must be an instance of {@link BoxAndWhiskerCategoryDataset}).
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
public void drawHorizontalItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column) {
BoxAndWhiskerCategoryDataset bawDataset = (BoxAndWhiskerCategoryDataset) dataset;
double categoryEnd =
domainAxis.getCategoryEnd(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
double categoryStart =
domainAxis.getCategoryStart(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
double categoryWidth = Math.abs(categoryEnd - categoryStart);
double yy = categoryStart;
int seriesCount = getRowCount();
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap =
dataArea.getHeight() * getItemMargin() / (categoryCount * (seriesCount - 1));
double usedWidth = (state.getBarWidth() * seriesCount) + (seriesGap * (seriesCount - 1));
// offset the start of the boxes if the total width used is smaller
// than the category width
double offset = (categoryWidth - usedWidth) / 2;
yy = yy + offset + (row * (state.getBarWidth() + seriesGap));
} else {
// offset the start of the box if the box width is smaller than
// the category width
double offset = (categoryWidth - state.getBarWidth()) / 2;
yy = yy + offset;
}
g2.setPaint(getItemPaint(row, column));
Stroke s = getItemStroke(row, column);
g2.setStroke(s);
RectangleEdge location = plot.getRangeAxisEdge();
Number xQ1 = bawDataset.getQ1Value(row, column);
Number xQ3 = bawDataset.getQ3Value(row, column);
Number xMax = bawDataset.getMaxRegularValue(row, column);
Number xMin = bawDataset.getMinRegularValue(row, column);
Shape box = null;
if (xQ1 != null && xQ3 != null && xMax != null && xMin != null) {
double xxQ1 = rangeAxis.valueToJava2D(xQ1.doubleValue(), dataArea, location);
double xxQ3 = rangeAxis.valueToJava2D(xQ3.doubleValue(), dataArea, location);
double xxMax = rangeAxis.valueToJava2D(xMax.doubleValue(), dataArea, location);
double xxMin = rangeAxis.valueToJava2D(xMin.doubleValue(), dataArea, location);
double yymid = yy + state.getBarWidth() / 2.0;
// draw the upper shadow...
g2.draw(new Line2D.Double(xxMax, yymid, xxQ3, yymid));
g2.draw(new Line2D.Double(xxMax, yy, xxMax, yy + state.getBarWidth()));
// draw the lower shadow...
g2.draw(new Line2D.Double(xxMin, yymid, xxQ1, yymid));
g2.draw(new Line2D.Double(xxMin, yy, xxMin, yy + state.getBarWidth()));
// draw the box...
box =
new Rectangle2D.Double(
Math.min(xxQ1, xxQ3), yy, Math.abs(xxQ1 - xxQ3), state.getBarWidth());
if (this.fillBox) {
g2.fill(box);
}
g2.setStroke(getItemOutlineStroke(row, column));
g2.setPaint(getItemOutlinePaint(row, column));
g2.draw(box);
}
g2.setPaint(this.artifactPaint);
double aRadius = 0; // average radius
// draw mean - SPECIAL AIMS REQUIREMENT...
Number xMean = bawDataset.getMeanValue(row, column);
if (xMean != null) {
double xxMean = rangeAxis.valueToJava2D(xMean.doubleValue(), dataArea, location);
aRadius = state.getBarWidth() / 4;
// here we check that the average marker will in fact be visible
// before drawing it...
if ((xxMean > (dataArea.getMinX() - aRadius)) && (xxMean < (dataArea.getMaxX() + aRadius))) {
Ellipse2D.Double avgEllipse =
new Ellipse2D.Double(xxMean - aRadius, yy + aRadius, aRadius * 2, aRadius * 2);
g2.fill(avgEllipse);
g2.draw(avgEllipse);
}
}
// draw median...
Number xMedian = bawDataset.getMedianValue(row, column);
if (xMedian != null) {
double xxMedian = rangeAxis.valueToJava2D(xMedian.doubleValue(), dataArea, location);
g2.draw(new Line2D.Double(xxMedian, yy, xxMedian, yy + state.getBarWidth()));
}
// collect entity and tool tip information...
if (state.getInfo() != null && box != null) {
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, box);
}
}
}
/**
* Draws the visual representation of a single data item, second pass. In the second pass, the
* renderer draws the lines and shapes for the individual points in the two series.
*
* @param x_graphics the graphics device.
* @param x_dataArea the area within which the data is being drawn.
* @param x_info collects information about the drawing.
* @param x_plot the plot (can be used to obtain standard color information etc).
* @param x_domainAxis the domain (horizontal) axis.
* @param x_rangeAxis the range (vertical) axis.
* @param x_dataset the dataset.
* @param x_series the series index (zero-based).
* @param x_item the item index (zero-based).
* @param x_crosshairState crosshair information for the plot (<code>null</code> permitted).
*/
protected void drawItemPass1(
Graphics2D x_graphics,
Rectangle2D x_dataArea,
PlotRenderingInfo x_info,
XYPlot x_plot,
ValueAxis x_domainAxis,
ValueAxis x_rangeAxis,
XYDataset x_dataset,
int x_series,
int x_item,
CrosshairState x_crosshairState) {
Shape l_entityArea = null;
EntityCollection l_entities = null;
if (null != x_info) {
l_entities = x_info.getOwner().getEntityCollection();
}
Paint l_seriesPaint = getItemPaint(x_series, x_item);
Stroke l_seriesStroke = getItemStroke(x_series, x_item);
x_graphics.setPaint(l_seriesPaint);
x_graphics.setStroke(l_seriesStroke);
PlotOrientation l_orientation = x_plot.getOrientation();
RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
double l_x0 = x_dataset.getXValue(x_series, x_item);
double l_y0 = x_dataset.getYValue(x_series, x_item);
double l_x1 = x_domainAxis.valueToJava2D(l_x0, x_dataArea, l_domainAxisLocation);
double l_y1 = x_rangeAxis.valueToJava2D(l_y0, x_dataArea, l_rangeAxisLocation);
if (getShapesVisible()) {
Shape l_shape = getItemShape(x_series, x_item);
if (l_orientation == PlotOrientation.HORIZONTAL) {
l_shape = ShapeUtilities.createTranslatedShape(l_shape, l_y1, l_x1);
} else {
l_shape = ShapeUtilities.createTranslatedShape(l_shape, l_x1, l_y1);
}
if (l_shape.intersects(x_dataArea)) {
x_graphics.setPaint(getItemPaint(x_series, x_item));
x_graphics.fill(l_shape);
}
l_entityArea = l_shape;
}
// add an entity for the item...
if (null != l_entities) {
if (null == l_entityArea) {
l_entityArea = new Rectangle2D.Double((l_x1 - 2), (l_y1 - 2), 4, 4);
}
String l_tip = null;
XYToolTipGenerator l_tipGenerator = getToolTipGenerator(x_series, x_item);
if (null != l_tipGenerator) {
l_tip = l_tipGenerator.generateToolTip(x_dataset, x_series, x_item);
}
String l_url = null;
XYURLGenerator l_urlGenerator = getURLGenerator();
if (null != l_urlGenerator) {
l_url = l_urlGenerator.generateURL(x_dataset, x_series, x_item);
}
XYItemEntity l_entity =
new XYItemEntity(l_entityArea, x_dataset, x_series, x_item, l_tip, l_url);
l_entities.add(l_entity);
}
// draw the item label if there is one...
if (isItemLabelVisible(x_series, x_item)) {
drawItemLabel(
x_graphics, l_orientation, x_dataset, x_series, x_item, l_x1, l_y1, (l_y1 < 0.0));
}
int l_domainAxisIndex = x_plot.getDomainAxisIndex(x_domainAxis);
int l_rangeAxisIndex = x_plot.getRangeAxisIndex(x_rangeAxis);
updateCrosshairValues(
x_crosshairState,
l_x0,
l_y0,
l_domainAxisIndex,
l_rangeAxisIndex,
l_x1,
l_y1,
l_orientation);
if (0 == x_item) {
return;
}
double l_x2 =
x_domainAxis.valueToJava2D(
x_dataset.getXValue(x_series, (x_item - 1)), x_dataArea, l_domainAxisLocation);
double l_y2 =
x_rangeAxis.valueToJava2D(
x_dataset.getYValue(x_series, (x_item - 1)), x_dataArea, l_rangeAxisLocation);
Line2D l_line = null;
if (PlotOrientation.HORIZONTAL == l_orientation) {
l_line = new Line2D.Double(l_y1, l_x1, l_y2, l_x2);
} else if (PlotOrientation.VERTICAL == l_orientation) {
l_line = new Line2D.Double(l_x1, l_y1, l_x2, l_y2);
}
if ((null != l_line) && l_line.intersects(x_dataArea)) {
x_graphics.setPaint(getItemPaint(x_series, x_item));
x_graphics.setStroke(getItemStroke(x_series, x_item));
x_graphics.draw(l_line);
}
}
/**
* Draws the visual representation of a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area within which the data is being drawn.
* @param info collects information about the drawing.
* @param plot the plot (can be used to obtain standard color information etc).
* @param domainAxis the domain (horizontal) axis.
* @param rangeAxis the range (vertical) axis.
* @param dataset the dataset (an {@link XYZDataset} is expected).
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @param crosshairState crosshair information for the plot (<code>null</code> permitted).
* @param pass the pass index.
*/
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
// return straight away if the item is not visible
if (!getItemVisible(series, item)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
// get the data point...
double x = dataset.getXValue(series, item);
double y = dataset.getYValue(series, item);
double z = Double.NaN;
if (dataset instanceof XYZDataset) {
XYZDataset xyzData = (XYZDataset) dataset;
z = xyzData.getZValue(series, item);
}
if (!Double.isNaN(z)) {
RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
double transX = domainAxis.valueToJava2D(x, dataArea, domainAxisLocation);
double transY = rangeAxis.valueToJava2D(y, dataArea, rangeAxisLocation);
double transDomain = 0.0;
double transRange = 0.0;
double zero;
switch (getScaleType()) {
case SCALE_ON_DOMAIN_AXIS:
zero = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero;
transRange = transDomain;
break;
case SCALE_ON_RANGE_AXIS:
zero = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
transRange = zero - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
transDomain = transRange;
break;
default:
double zero1 = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
double zero2 = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero1;
transRange = zero2 - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
}
transDomain = Math.abs(transDomain);
transRange = Math.abs(transRange);
Ellipse2D circle = null;
if (orientation == PlotOrientation.VERTICAL) {
circle =
new Ellipse2D.Double(
transX - transDomain / 2.0, transY - transRange / 2.0, transDomain, transRange);
} else if (orientation == PlotOrientation.HORIZONTAL) {
circle =
new Ellipse2D.Double(
transY - transRange / 2.0, transX - transDomain / 2.0, transRange, transDomain);
}
g2.setPaint(getItemPaint(series, item));
g2.fill(circle);
g2.setStroke(getItemOutlineStroke(series, item));
g2.setPaint(getItemOutlinePaint(series, item));
g2.draw(circle);
if (isItemLabelVisible(series, item)) {
if (orientation == PlotOrientation.VERTICAL) {
drawItemLabel(g2, orientation, dataset, series, item, transX, transY, false);
} else if (orientation == PlotOrientation.HORIZONTAL) {
drawItemLabel(g2, orientation, dataset, series, item, transY, transX, false);
}
}
// add an entity if this info is being collected
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
if (entities != null && circle.intersects(dataArea)) {
addEntity(
entities, circle, dataset, series, item, circle.getCenterX(), circle.getCenterY());
}
}
int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
updateCrosshairValues(
crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY, orientation);
}
}
/**
* Draws the visual representation of a polygon
*
* @param x_graphics the graphics device.
* @param x_dataArea the area within which the data is being drawn.
* @param x_plot the plot (can be used to obtain standard color information etc).
* @param x_domainAxis the domain (horizontal) axis.
* @param x_rangeAxis the range (vertical) axis.
* @param x_positive indicates if the polygon is positive (true) or negative (false).
* @param x_xValues a linked list of the x values (expects values to be of type Double).
* @param x_yValues a linked list of the y values (expects values to be of type Double).
*/
private void createPolygon(
Graphics2D x_graphics,
Rectangle2D x_dataArea,
XYPlot x_plot,
ValueAxis x_domainAxis,
ValueAxis x_rangeAxis,
boolean x_positive,
LinkedList x_xValues,
LinkedList x_yValues) {
PlotOrientation l_orientation = x_plot.getOrientation();
RectangleEdge l_domainAxisLocation = x_plot.getDomainAxisEdge();
RectangleEdge l_rangeAxisLocation = x_plot.getRangeAxisEdge();
Object[] l_xValues = x_xValues.toArray();
Object[] l_yValues = x_yValues.toArray();
GeneralPath l_path = new GeneralPath();
if (PlotOrientation.VERTICAL == l_orientation) {
double l_x =
x_domainAxis.valueToJava2D(
((Double) l_xValues[0]).doubleValue(), x_dataArea, l_domainAxisLocation);
if (this.roundXCoordinates) {
l_x = Math.rint(l_x);
}
double l_y =
x_rangeAxis.valueToJava2D(
((Double) l_yValues[0]).doubleValue(), x_dataArea, l_rangeAxisLocation);
l_path.moveTo((float) l_x, (float) l_y);
for (int i = 1; i < l_xValues.length; i++) {
l_x =
x_domainAxis.valueToJava2D(
((Double) l_xValues[i]).doubleValue(), x_dataArea, l_domainAxisLocation);
if (this.roundXCoordinates) {
l_x = Math.rint(l_x);
}
l_y =
x_rangeAxis.valueToJava2D(
((Double) l_yValues[i]).doubleValue(), x_dataArea, l_rangeAxisLocation);
l_path.lineTo((float) l_x, (float) l_y);
}
l_path.closePath();
} else {
double l_x =
x_domainAxis.valueToJava2D(
((Double) l_xValues[0]).doubleValue(), x_dataArea, l_domainAxisLocation);
if (this.roundXCoordinates) {
l_x = Math.rint(l_x);
}
double l_y =
x_rangeAxis.valueToJava2D(
((Double) l_yValues[0]).doubleValue(), x_dataArea, l_rangeAxisLocation);
l_path.moveTo((float) l_y, (float) l_x);
for (int i = 1; i < l_xValues.length; i++) {
l_x =
x_domainAxis.valueToJava2D(
((Double) l_xValues[i]).doubleValue(), x_dataArea, l_domainAxisLocation);
if (this.roundXCoordinates) {
l_x = Math.rint(l_x);
}
l_y =
x_rangeAxis.valueToJava2D(
((Double) l_yValues[i]).doubleValue(), x_dataArea, l_rangeAxisLocation);
l_path.lineTo((float) l_y, (float) l_x);
}
l_path.closePath();
}
if (l_path.intersects(x_dataArea)) {
x_graphics.setPaint(x_positive ? getPositivePaint() : getNegativePaint());
x_graphics.fill(l_path);
}
}
/**
* Draw a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area in which the data is drawn.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
* @param pass the pass index.
*/
public void drawItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column,
int pass) {
// do nothing if item is not visible
if (!getItemVisible(row, column)) {
return;
}
Number value = dataset.getValue(row, column);
if (value == null) {
return;
}
PlotOrientation orientation = plot.getOrientation();
// current data point...
double x1s =
domainAxis.getCategoryStart(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
double x1 =
domainAxis.getCategoryMiddle(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
double x1e = 2 * x1 - x1s; // or: x1s + 2*(x1-x1s)
double y1 = rangeAxis.valueToJava2D(value.doubleValue(), dataArea, plot.getRangeAxisEdge());
g2.setPaint(getItemPaint(row, column));
g2.setStroke(getItemStroke(row, column));
if (column != 0) {
Number previousValue = dataset.getValue(row, column - 1);
if (previousValue != null) {
// previous data point...
double previous = previousValue.doubleValue();
double x0s =
domainAxis.getCategoryStart(
column - 1, getColumnCount(), dataArea, plot.getDomainAxisEdge());
double x0 =
domainAxis.getCategoryMiddle(
column - 1, getColumnCount(), dataArea, plot.getDomainAxisEdge());
double x0e = 2 * x0 - x0s; // or: x0s + 2*(x0-x0s)
double y0 = rangeAxis.valueToJava2D(previous, dataArea, plot.getRangeAxisEdge());
if (getStagger()) {
int xStagger = row * STAGGER_WIDTH;
if (xStagger > (x1s - x0e)) {
xStagger = (int) (x1s - x0e);
}
x1s = x0e + xStagger;
}
drawLine(g2, (State) state, orientation, x0e, y0, x1s, y0);
// extend x0's flat bar
drawLine(g2, (State) state, orientation, x1s, y0, x1s, y1);
// upright bar
}
}
drawLine(g2, (State) state, orientation, x1s, y1, x1e, y1);
// x1's flat bar
// draw the item labels if there are any...
if (isItemLabelVisible(row, column)) {
drawItemLabel(g2, orientation, dataset, row, column, x1, y1, (value.doubleValue() < 0.0));
}
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
Rectangle2D hotspot = new Rectangle2D.Double();
if (orientation == PlotOrientation.VERTICAL) {
hotspot.setRect(x1s, y1, x1e - x1s, 4.0);
} else {
hotspot.setRect(y1 - 2.0, x1s, 4.0, x1e - x1s);
}
addItemEntity(entities, dataset, row, column, hotspot);
}
}
/**
* Draws the block representing the specified item.
*
* @param g2 the graphics device.
* @param state the state.
* @param dataArea the data area.
* @param info the plot rendering info.
* @param plot the plot.
* @param domainAxis the x-axis.
* @param rangeAxis the y-axis.
* @param dataset the dataset.
* @param series the series index.
* @param item the item index.
* @param crosshairState the crosshair state.
* @param pass the pass index.
*/
@Override
public void drawItem(
Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
double x = dataset.getXValue(series, item);
double y = dataset.getYValue(series, item);
double dx = 0.0;
double dy = 0.0;
if (dataset instanceof VectorXYDataset) {
dx = ((VectorXYDataset) dataset).getVectorXValue(series, item);
dy = ((VectorXYDataset) dataset).getVectorYValue(series, item);
}
double xx0 = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
double yy0 = rangeAxis.valueToJava2D(y, dataArea, plot.getRangeAxisEdge());
double xx1 = domainAxis.valueToJava2D(x + dx, dataArea, plot.getDomainAxisEdge());
double yy1 = rangeAxis.valueToJava2D(y + dy, dataArea, plot.getRangeAxisEdge());
Line2D line;
PlotOrientation orientation = plot.getOrientation();
if (orientation.equals(PlotOrientation.HORIZONTAL)) {
line = new Line2D.Double(yy0, xx0, yy1, xx1);
} else {
line = new Line2D.Double(xx0, yy0, xx1, yy1);
}
g2.setPaint(getItemPaint(series, item));
g2.setStroke(getItemStroke(series, item));
g2.draw(line);
// calculate the arrow head and draw it...
double dxx = (xx1 - xx0);
double dyy = (yy1 - yy0);
double bx = xx0 + (1.0 - this.baseLength) * dxx;
double by = yy0 + (1.0 - this.baseLength) * dyy;
double cx = xx0 + (1.0 - this.headLength) * dxx;
double cy = yy0 + (1.0 - this.headLength) * dyy;
double angle = 0.0;
if (dxx != 0.0) {
angle = Math.PI / 2.0 - Math.atan(dyy / dxx);
}
double deltaX = 2.0 * Math.cos(angle);
double deltaY = 2.0 * Math.sin(angle);
double leftx = cx + deltaX;
double lefty = cy - deltaY;
double rightx = cx - deltaX;
double righty = cy + deltaY;
GeneralPath p = new GeneralPath();
if (orientation == PlotOrientation.VERTICAL) {
p.moveTo((float) xx1, (float) yy1);
p.lineTo((float) rightx, (float) righty);
p.lineTo((float) bx, (float) by);
p.lineTo((float) leftx, (float) lefty);
} else { // orientation is HORIZONTAL
p.moveTo((float) yy1, (float) xx1);
p.lineTo((float) righty, (float) rightx);
p.lineTo((float) by, (float) bx);
p.lineTo((float) lefty, (float) leftx);
}
p.closePath();
g2.draw(p);
// setup for collecting optional entity info...
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
if (entities != null) {
addEntity(entities, line.getBounds(), dataset, series, item, 0.0, 0.0);
}
}
}