/**
* 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 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).
*/
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);
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates =
calculateRangeMarkerTextAnchorPoint(
g2,
orientation,
dataArea,
path.getBounds2D(),
marker.getLabelOffset(),
LengthAdjustmentType.EXPAND,
anchor);
TextUtilities.drawAlignedString(
label,
g2,
(float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor());
}
} else {
super.drawRangeMarker(g2, plot, axis, marker, adjusted);
// TODO: draw the interval marker with a 3D effect
}
}
public static void writeChart(
PointTimeSeriesCollection pointTimeSeriesCollection,
boolean showLegend,
OutputStream out,
int width,
int height,
long from,
long to)
throws IOException {
// 创建主题样式
StandardChartTheme standardChartTheme = new StandardChartTheme("CN");
// 设置标题字体
standardChartTheme.setExtraLargeFont(new Font("隶书", Font.BOLD, 18));
// 设置图例的字体
standardChartTheme.setRegularFont(new Font("宋书", Font.PLAIN, 14));
// 设置轴向的字体
standardChartTheme.setLargeFont(new Font("宋书", Font.PLAIN, 14));
// 应用主题样式
ChartFactory.setChartTheme(standardChartTheme);
JFreeChart chart =
ChartFactory.createTimeSeriesChart(null, null, null, null, showLegend, false, false);
chart.setBackgroundPaint(
SystemSettingsDao.getColour(SystemSettingsDao.CHART_BACKGROUND_COLOUR));
XYPlot plot = chart.getXYPlot();
((DateAxis) plot.getDomainAxis()).setTimeZone(pointTimeSeriesCollection.getTimeZone());
plot.setBackgroundPaint(SystemSettingsDao.getColour(SystemSettingsDao.PLOT_BACKGROUND_COLOUR));
Color gridlines = SystemSettingsDao.getColour(SystemSettingsDao.PLOT_GRIDLINE_COLOUR);
plot.setDomainGridlinePaint(gridlines);
plot.setRangeGridlinePaint(gridlines);
((NumberAxis) plot.getRangeAxis()).setAutoRangeStickyZero(false);
double numericMin = 0;
double numericMax = 1;
int numericSeriesCount = pointTimeSeriesCollection.getNumericSeriesCount();
if (pointTimeSeriesCollection.hasNumericData()) {
for (int i = 0; i < numericSeriesCount; i++) {
NumericTimeSeries nts = pointTimeSeriesCollection.getNumericTimeSeries(i);
AbstractXYItemRenderer renderer;
if (nts.getPlotType() == DataPointVO.PlotTypes.STEP) renderer = new XYStepRenderer();
else if (nts.getPlotType() == DataPointVO.PlotTypes.LINE)
renderer = new XYLineAndShapeRenderer(true, false);
else {
XYSplineRenderer spline = new XYSplineRenderer();
spline.setBaseShapesVisible(false);
renderer = spline;
}
if (nts.getPaint() != null) renderer.setSeriesPaint(0, nts.getPaint(), false);
if (nts.getStroke() != null) renderer.setSeriesStroke(0, nts.getStroke(), false);
plot.setDataset(i, new TimeSeriesCollection(nts.getTimeSeries()));
plot.setRenderer(i, renderer);
}
numericMin = plot.getRangeAxis().getLowerBound();
numericMax = plot.getRangeAxis().getUpperBound();
if (!pointTimeSeriesCollection.hasMultiplePoints()) {
// If this chart displays a single point, check if there should be a range description.
TimeSeries timeSeries = pointTimeSeriesCollection.getNumericTimeSeries(0).getTimeSeries();
String desc = timeSeries.getRangeDescription();
if (!StringUtils.isBlank(desc)) {
// Replace any HTML entities with Java equivalents
desc = StripEntities.stripHTMLEntities(desc, ' ');
plot.getRangeAxis().setLabel(desc);
}
}
} else plot.getRangeAxis().setVisible(false);
if (pointTimeSeriesCollection.getRangeMarkers() != null) {
boolean rangeAdjusted = false;
for (Marker marker : pointTimeSeriesCollection.getRangeMarkers()) {
plot.addRangeMarker(marker);
if (marker instanceof ValueMarker) {
ValueMarker vm = (ValueMarker) marker;
if (numericMin > vm.getValue()) {
numericMin = vm.getValue();
rangeAdjusted = true;
}
if (numericMax < vm.getValue()) {
numericMax = vm.getValue();
rangeAdjusted = true;
}
}
}
if (rangeAdjusted) {
double adj = (numericMax - numericMin);
plot.getRangeAxis().setLowerBound(numericMin - adj * plot.getRangeAxis().getLowerMargin());
plot.getRangeAxis().setUpperBound(numericMax + adj * plot.getRangeAxis().getUpperMargin());
}
}
int discreteValueCount = pointTimeSeriesCollection.getDiscreteValueCount();
double interval = (numericMax - numericMin) / (discreteValueCount + 1);
int intervalIndex = 1;
if (pointTimeSeriesCollection.hasDiscreteData()) {
for (int i = 0; i < pointTimeSeriesCollection.getDiscreteSeriesCount(); i++) {
DiscreteTimeSeries dts = pointTimeSeriesCollection.getDiscreteTimeSeries(i);
XYStepRenderer renderer = new XYStepRenderer();
TimeSeries ts = new TimeSeries(dts.getName(), null, null);
for (IValueTime vt : dts.getValueTimes())
addMillisecond(
ts,
vt.getTime(),
numericMin + (interval * (dts.getValueIndex(vt.getValue()) + intervalIndex)));
if (dts.getPaint() != null) renderer.setSeriesPaint(0, dts.getPaint(), false);
if (dts.getStroke() != null) renderer.setSeriesStroke(0, dts.getStroke(), false);
plot.setDataset(
numericSeriesCount + i,
new TimeSeriesCollection(ts, pointTimeSeriesCollection.getTimeZone()));
plot.setRenderer(numericSeriesCount + i, renderer);
intervalIndex += dts.getDiscreteValueCount();
}
}
if (from > 0) plot.getDomainAxis().setLowerBound(from);
if (to > 0) plot.getDomainAxis().setUpperBound(to);
if (pointTimeSeriesCollection.hasDiscreteData()) {
// Add the value annotations.
double annoX = plot.getDomainAxis().getLowerBound();
intervalIndex = 1;
for (int i = 0; i < pointTimeSeriesCollection.getDiscreteSeriesCount(); i++) {
DiscreteTimeSeries dts = pointTimeSeriesCollection.getDiscreteTimeSeries(i);
for (int j = 0; j < dts.getDiscreteValueCount(); j++) {
XYTextAnnotation anno =
new XYTextAnnotation(
" " + dts.getValueText(j), annoX, numericMin + (interval * (j + intervalIndex)));
if (!pointTimeSeriesCollection.hasNumericData()
&& intervalIndex + j == discreteValueCount)
// This prevents the top label from getting cut off
anno.setTextAnchor(TextAnchor.TOP_LEFT);
else anno.setTextAnchor(TextAnchor.BOTTOM_LEFT);
anno.setPaint(
((AbstractRenderer) plot.getRenderer(numericSeriesCount + i)).lookupSeriesPaint(0));
plot.addAnnotation(anno);
}
intervalIndex += dts.getDiscreteValueCount();
}
}
// Return the image.
ChartUtilities.writeChartAsPNG(out, chart, width, height);
}
/**
* Draws a marker for the range axis.
*
* @param g2 the graphics device (not <code>null</code>).
* @param plot the plot (not <code>null</code>).
* @param axis the range axis (not <code>null</code>).
* @param marker the marker to be drawn (not <code>null</code>).
* @param dataArea the area inside the axes (not <code>null</code>).
*/
public void drawRangeMarker(
Graphics2D g2, CategoryPlot plot, ValueAxis axis, Marker marker, Rectangle2D dataArea) {
if (marker instanceof ValueMarker) {
ValueMarker vm = (ValueMarker) marker;
double value = vm.getValue();
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);
}
g2.setPaint(marker.getPaint());
g2.setStroke(marker.getStroke());
g2.draw(line);
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates =
calculateRangeMarkerTextAnchorPoint(
g2,
orientation,
dataArea,
line.getBounds2D(),
marker.getLabelOffset(),
LengthAdjustmentType.EXPAND,
anchor);
TextUtilities.drawAlignedString(
label,
g2,
(float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor());
}
} else if (marker instanceof IntervalMarker) {
IntervalMarker im = (IntervalMarker) marker;
double start = im.getStartValue();
double end = im.getEndValue();
Range range = axis.getRange();
if (!(range.intersects(start, end))) {
return;
}
// don't draw beyond the axis range...
start = range.constrain(start);
end = range.constrain(end);
double v0 = axis.valueToJava2D(start, dataArea, plot.getRangeAxisEdge());
double v1 = axis.valueToJava2D(end, dataArea, plot.getRangeAxisEdge());
PlotOrientation orientation = plot.getOrientation();
Rectangle2D rect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
rect = new Rectangle2D.Double(v0, dataArea.getMinY(), v1 - v0, dataArea.getHeight());
} else if (orientation == PlotOrientation.VERTICAL) {
rect =
new Rectangle2D.Double(
dataArea.getMinX(), Math.min(v0, v1),
dataArea.getWidth(), Math.abs(v1 - v0));
}
Paint p = marker.getPaint();
if (p instanceof GradientPaint) {
GradientPaint gp = (GradientPaint) p;
GradientPaintTransformer t = im.getGradientPaintTransformer();
if (t != null) {
gp = t.transform(gp, rect);
}
g2.setPaint(gp);
} else {
g2.setPaint(p);
}
g2.fill(rect);
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates =
calculateRangeMarkerTextAnchorPoint(
g2,
orientation,
dataArea,
rect,
marker.getLabelOffset(),
marker.getLabelOffsetType(),
anchor);
TextUtilities.drawAlignedString(
label,
g2,
(float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor());
}
}
}