Java源码示例：org.jfree.chart.plot.PlotOrientation
示例1
/**
* Draws a line perpendicular to the range axis.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the value axis.
* @param dataArea the area for plotting data (not yet adjusted for any 3D
* effect).
* @param value the value at which the grid line should be drawn.
* @param paint the paint (<code>null</code> not permitted).
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #drawRangeGridline
*
* @since 1.0.13
*/
public void drawRangeLine(Graphics2D g2, CategoryPlot plot, ValueAxis axis,
Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {
Range range = axis.getRange();
if (!range.contains(value)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Line2D line = null;
double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line);
}
示例2
/**
* Calculates the (x, y) coordinates for drawing a marker label.
*
* @param g2 the graphics device.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param markerArea the rectangle surrounding the marker.
* @param markerOffset the marker offset.
* @param labelOffsetType the label offset type.
* @param anchor the label anchor.
*
* @return The coordinates for drawing the marker label.
*/
protected Point2D calculateRangeMarkerTextAnchorPoint(Graphics2D g2,
PlotOrientation orientation,
Rectangle2D dataArea,
Rectangle2D markerArea,
RectangleInsets markerOffset,
LengthAdjustmentType labelOffsetType,
RectangleAnchor anchor) {
Rectangle2D anchorRect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
labelOffsetType, LengthAdjustmentType.CONTRACT);
}
else if (orientation == PlotOrientation.VERTICAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
LengthAdjustmentType.CONTRACT, labelOffsetType);
}
return RectangleAnchor.coordinates(anchorRect, anchor);
}
示例3
/**
* Creates a Gantt chart using the supplied attributes plus default values
* where required. The chart object returned by this method uses a
* {@link CategoryPlot} instance as the plot, with a {@link CategoryAxis}
* for the domain axis, a {@link DateAxis} as the range axis, and a
* {@link GanttRenderer} as the renderer.
*
* @param title the chart title (<code>null</code> permitted).
* @param categoryAxisLabel the label for the category axis
* (<code>null</code> permitted).
* @param dateAxisLabel the label for the date axis
* (<code>null</code> permitted).
* @param dataset the dataset for the chart (<code>null</code> permitted).
* @param legend a flag specifying whether or not a legend is required.
*
* @return A Gantt chart.
*/
public static JFreeChart createGanttChart(String title,
String categoryAxisLabel, String dateAxisLabel,
IntervalCategoryDataset dataset, boolean legend) {
CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
DateAxis dateAxis = new DateAxis(dateAxisLabel);
CategoryItemRenderer renderer = new GanttRenderer();
renderer.setBaseToolTipGenerator(
new IntervalCategoryToolTipGenerator(
"{3} - {4}", DateFormat.getDateInstance()));
CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, dateAxis,
renderer);
plot.setOrientation(PlotOrientation.HORIZONTAL);
JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
plot, legend);
currentTheme.apply(chart);
return chart;
}
示例4
/**
* Check that the renderer is calculating the range bounds correctly.
*/
@Test
public void testFindRangeBounds() {
TableXYDataset dataset
= RendererXYPackageUtils.createTestTableXYDataset();
JFreeChart chart = ChartFactory.createStackedXYAreaChart(
"Test Chart", "X", "Y", dataset, PlotOrientation.VERTICAL,
false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
plot.setRenderer(renderer);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
Range bounds = rangeAxis.getRange();
assertTrue(bounds.contains(6.0));
assertTrue(bounds.contains(8.0));
// try null argument
assertNull(renderer.findRangeBounds(null));
// try empty dataset
assertNull(renderer.findRangeBounds(new DefaultTableXYDataset()));
}
示例5
/**
* Draws a line perpendicular to the range axis.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the value axis.
* @param dataArea the area for plotting data (not yet adjusted for any 3D
* effect).
* @param value the value at which the grid line should be drawn.
* @param paint the paint (<code>null</code> not permitted).
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #drawRangeGridline
*
* @since 1.0.13
*/
public void drawRangeLine(Graphics2D g2, CategoryPlot plot, ValueAxis axis,
Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {
Range range = axis.getRange();
if (!range.contains(value)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Line2D line = null;
double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line);
}
示例6
/**
* Test chart drawing with an empty dataset to ensure that this special
* case doesn't cause any exceptions.
*/
@Test
public void testDrawWithEmptyDataset() {
boolean success = false;
JFreeChart chart = ChartFactory.createStackedXYAreaChart("title", "x",
"y", new DefaultTableXYDataset(), PlotOrientation.VERTICAL,
true, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRenderer(new StackedXYAreaRenderer2());
try {
BufferedImage image = new BufferedImage(200 , 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
g2.dispose();
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
示例7
/**
* Create a horizontal bar chart with sample data in the range -3 to +3.
*
* @return The chart.
*/
private static JFreeChart createChart() {
// create a dataset...
XYSeries series1 = new XYSeries("Series 1");
series1.add(1.0, 1.0);
series1.add(2.0, 2.0);
series1.add(3.0, 3.0);
XYDataset dataset = new XYSeriesCollection(series1);
// create the chart...
return ChartFactory.createXYStepChart(
"Step Chart", // chart title
"Domain",
"Range",
dataset, // data
PlotOrientation.VERTICAL,
true, // include legend
true, // tooltips
true // urls
);
}
示例8
/**
* Calculates the (x, y) coordinates for drawing a marker label.
*
* @param g2 the graphics device.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param markerArea the rectangle surrounding the marker.
* @param markerOffset the marker offset.
* @param labelOffsetType the label offset type.
* @param anchor the label anchor.
*
* @return The coordinates for drawing the marker label.
*/
protected Point2D calculateRangeMarkerTextAnchorPoint(Graphics2D g2,
PlotOrientation orientation,
Rectangle2D dataArea,
Rectangle2D markerArea,
RectangleInsets markerOffset,
LengthAdjustmentType labelOffsetType,
RectangleAnchor anchor) {
Rectangle2D anchorRect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
labelOffsetType, LengthAdjustmentType.CONTRACT);
}
else if (orientation == PlotOrientation.VERTICAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
LengthAdjustmentType.CONTRACT, labelOffsetType);
}
return RectangleAnchor.coordinates(anchorRect, anchor);
}
示例9
/**
* Check that the renderer is calculating the domain bounds correctly.
*/
@Test
public void testFindDomainBounds() {
XYSeriesCollection dataset
= RendererXYPackageUtils.createTestXYSeriesCollection();
JFreeChart chart = ChartFactory.createXYLineChart(
"Test Chart", "X", "Y", dataset, PlotOrientation.VERTICAL,
false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
domainAxis.setAutoRangeIncludesZero(false);
Range bounds = domainAxis.getRange();
assertFalse(bounds.contains(0.9));
assertTrue(bounds.contains(1.0));
assertTrue(bounds.contains(2.0));
assertFalse(bounds.contains(2.10));
}
示例10
/**
* Draws a line perpendicular to the range axis.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the value axis.
* @param dataArea the area for plotting data (not yet adjusted for any 3D
* effect).
* @param value the value at which the grid line should be drawn.
* @param paint the paint (<code>null</code> not permitted).
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #drawRangeGridline
*
* @since 1.0.13
*/
public void drawRangeLine(Graphics2D g2, CategoryPlot plot, ValueAxis axis,
Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {
Range range = axis.getRange();
if (!range.contains(value)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Line2D line = null;
double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line);
}
示例11
/**
* Calculates the (x, y) coordinates for drawing a marker label.
*
* @param g2 the graphics device.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param markerArea the marker area.
* @param markerOffset the marker offset.
* @param labelOffsetForRange the label offset.
* @param anchor the label anchor.
*
* @return The coordinates for drawing the marker label.
*/
private Point2D calculateRangeMarkerTextAnchorPoint(Graphics2D g2,
PlotOrientation orientation,
Rectangle2D dataArea,
Rectangle2D markerArea,
RectangleInsets markerOffset,
LengthAdjustmentType labelOffsetForRange,
RectangleAnchor anchor) {
Rectangle2D anchorRect = null;
if (orientation == PlotOrientation.HORIZONTAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
labelOffsetForRange, LengthAdjustmentType.CONTRACT);
}
else if (orientation == PlotOrientation.VERTICAL) {
anchorRect = markerOffset.createAdjustedRectangle(markerArea,
LengthAdjustmentType.CONTRACT, labelOffsetForRange);
}
return RectangleAnchor.coordinates(anchorRect, anchor);
}
示例12
/**
* Create a horizontal bar chart with sample data in the range -3 to +3.
*
* @return The chart.
*/
private static JFreeChart createChart() {
// create a dataset...
XYSeries series1 = new XYSeries("Series 1");
series1.add(1.0, 1.0);
series1.add(2.0, 2.0);
series1.add(3.0, 3.0);
XYDataset dataset = new XYSeriesCollection(series1);
// create the chart...
return ChartFactory.createXYStepAreaChart(
"Step Chart", // chart title
"Domain",
"Range",
dataset, // data
PlotOrientation.VERTICAL,
true, // include legend
true, // tooltips
true // urls
);
}
示例13
/**
* Draws a line perpendicular to the range axis.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the value axis.
* @param dataArea the area for plotting data (not yet adjusted for any 3D
* effect).
* @param value the value at which the grid line should be drawn.
* @param paint the paint (<code>null</code> not permitted).
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #drawRangeGridline
*
* @since 1.0.13
*/
public void drawRangeLine(Graphics2D g2, CategoryPlot plot, ValueAxis axis,
Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {
Range range = axis.getRange();
if (!range.contains(value)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Line2D line = null;
double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line);
}
示例14
/**
* A test for bug 1654215 (where a renderer is added to the plot without
* a corresponding dataset and it throws an exception at drawing time).
*/
public void test1654215() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
JFreeChart chart = ChartFactory.createLineChart("Title", "X", "Y",
dataset, PlotOrientation.VERTICAL, true, false, false);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setRenderer(1, new LineAndShapeRenderer());
boolean success = false;
try {
BufferedImage image = new BufferedImage(200 , 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
g2.dispose();
success = true;
}
catch (Exception e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
示例15
/**
* A check for the NullPointerException in bug 2275695.
*/
@Test
public void test2275695() {
JFreeChart chart = ChartFactory.createStackedBarChart("Test",
"Category", "Value", null, PlotOrientation.VERTICAL,
true, false, false);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setDomainAxis(new SubCategoryAxis("SubCategoryAxis"));
try {
BufferedImage image = new BufferedImage(200 , 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
g2.dispose();
}
catch (Exception e) {
fail("There should be no exception.");
}
}
示例16
/**
* Considers the current (x, y) coordinate and updates the crosshair point
* if it meets the criteria (usually means the (x, y) coordinate is the
* closest to the anchor point so far).
*
* @param crosshairState the crosshair state (<code>null</code> permitted,
* but the method does nothing in that case).
* @param rowKey the row key.
* @param columnKey the column key.
* @param value the data value.
* @param datasetIndex the dataset index.
* @param transX the x-value translated to Java2D space.
* @param transY the y-value translated to Java2D space.
* @param orientation the plot orientation (<code>null</code> not
* permitted).
*
* @since 1.0.11
*/
protected void updateCrosshairValues(CategoryCrosshairState crosshairState,
Comparable rowKey, Comparable columnKey, double value,
int datasetIndex,
double transX, double transY, PlotOrientation orientation) {
if (orientation == null) {
throw new IllegalArgumentException("Null 'orientation' argument.");
}
if (crosshairState != null) {
if (this.plot.isRangeCrosshairLockedOnData()) {
// both axes
crosshairState.updateCrosshairPoint(rowKey, columnKey, value,
datasetIndex, transX, transY, orientation);
}
else {
crosshairState.updateCrosshairX(rowKey, columnKey,
datasetIndex, transX, orientation);
}
}
}
示例17
/**
* Creates a wafer map chart.
*
* @param title the chart title (<code>null</code> permitted).
* @param dataset the dataset (<code>null</code> permitted).
* @param orientation the plot orientation (horizontal or vertical)
* (<code>null</code> NOT permitted.
* @param legend display a legend?
* @param tooltips generate tooltips?
* @param urls generate URLs?
*
* @return A wafer map chart.
*/
public static JFreeChart createWaferMapChart(String title,
WaferMapDataset dataset,
PlotOrientation orientation,
boolean legend,
boolean tooltips,
boolean urls) {
if (orientation == null) {
throw new IllegalArgumentException("Null 'orientation' argument.");
}
WaferMapPlot plot = new WaferMapPlot(dataset);
WaferMapRenderer renderer = new WaferMapRenderer();
plot.setRenderer(renderer);
JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
plot, legend);
return chart;
}
示例18
/**
* Draws a line perpendicular to the range axis.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the value axis.
* @param dataArea the area for plotting data (not yet adjusted for any 3D
* effect).
* @param value the value at which the grid line should be drawn.
* @param paint the paint (<code>null</code> not permitted).
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #drawRangeGridline
*
* @since 1.0.13
*/
public void drawRangeLine(Graphics2D g2, CategoryPlot plot, ValueAxis axis,
Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {
Range range = axis.getRange();
if (!range.contains(value)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Line2D line = null;
double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line);
}
示例19
/**
* Create a horizontal bar chart with sample data in the range -3 to +3.
*
* @return The chart.
*/
private static JFreeChart createChart() {
// create a dataset...
XYSeries series1 = new XYSeries("Series 1");
series1.add(1.0, 1.0);
series1.add(2.0, 2.0);
series1.add(3.0, 3.0);
XYDataset dataset = new XYSeriesCollection(series1);
// create the chart...
return ChartFactory.createXYAreaChart(
"Area Chart", // chart title
"Domain",
"Range",
dataset, // data
PlotOrientation.VERTICAL,
true, // include legend
true, // tooltips
true // urls
);
}
示例20
/**
* Calculates the coordinate of the first "side" of a bar. This will be
* the minimum x-coordinate for a vertical bar, and the minimum
* y-coordinate for a horizontal bar.
*
* @param plot the plot.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param state the renderer state (has the bar width precalculated).
* @param row the row index.
* @param column the column index.
*
* @return The coordinate.
*/
protected double calculateBarW0(CategoryPlot plot,
PlotOrientation orientation,
Rectangle2D dataArea,
CategoryAxis domainAxis,
CategoryItemRendererState state,
int row,
int column) {
// calculate bar width...
double space = 0.0;
if (orientation == PlotOrientation.HORIZONTAL) {
space = dataArea.getHeight();
}
else {
space = dataArea.getWidth();
}
double barW0 = domainAxis.getCategoryStart(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge());
int seriesCount = getRowCount();
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap = space * getItemMargin()
/ (categoryCount * (seriesCount - 1));
double seriesW = calculateSeriesWidth(space, domainAxis,
categoryCount, seriesCount);
barW0 = barW0 + row * (seriesW + seriesGap)
+ (seriesW / 2.0) - (state.getBarWidth() / 2.0);
}
else {
barW0 = domainAxis.getCategoryMiddle(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge()) - state.getBarWidth()
/ 2.0;
}
return barW0;
}
示例21
/**
* Checks that a call to the zoomInDomain() method, for a plot with more
* than one domain axis, generates just one ChartChangeEvent.
*/
@Test
public void test2502355_zoomInDomain() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setDomainAxis(1, new NumberAxis("X2"));
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoomInDomain(1.0, 2.0);
assertEquals(1, this.chartChangeEvents.size());
}
示例22
/**
* Returns the plot orientation.
*
* @return True = {@link org.jfree.chart.plot.PlotOrientation#VERTICAL VERTICAL}; False =
* {@link org.jfree.chart.plot.PlotOrientation#HORIZONTAL HORIZONTAL}
*/
protected boolean isHorizontalPlot(Plot plot) {
if (plot instanceof XYPlot) {
return ((XYPlot) plot).getOrientation() == PlotOrientation.HORIZONTAL;
}
if (plot instanceof FastScatterPlot) {
return ((FastScatterPlot) plot).getOrientation() == PlotOrientation.HORIZONTAL;
}
return false;
}
示例23
/**
* Checks that a call to the zoomOutDomain() method, for a plot with more
* than one domain axis, generates just one ChartChangeEvent.
*/
@Test
public void test2502355_zoomOutDomain() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setDomainAxis(1, new NumberAxis("X2"));
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoomOutDomain(1.0, 2.0);
assertEquals(1, this.chartChangeEvents.size());
}
示例24
/**
* Draws the bar with its standard deviation line range 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 data the data.
* @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 data,
int row,
int column,
int pass) {
// defensive check
if (!(data instanceof StatisticalCategoryDataset)) {
throw new IllegalArgumentException(
"Requires StatisticalCategoryDataset.");
}
StatisticalCategoryDataset statData = (StatisticalCategoryDataset) data;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
drawHorizontalItem(g2, state, dataArea, plot, domainAxis,
rangeAxis, statData, row, column);
}
else if (orientation == PlotOrientation.VERTICAL) {
drawVerticalItem(g2, state, dataArea, plot, domainAxis, rangeAxis,
statData, row, column);
}
}
示例25
/**
* Check that the renderer is calculating the range bounds correctly.
*/
@Test
public void testFindRangeBounds() {
TableXYDataset dataset
= RendererXYPackageUtils.createTestTableXYDataset();
JFreeChart chart = ChartFactory.createStackedXYAreaChart(
"Test Chart", "X", "Y", dataset,
PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRenderer(new StackedXYBarRenderer());
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
Range bounds = rangeAxis.getRange();
assertTrue(bounds.contains(6.0));
assertTrue(bounds.contains(8.0));
}
示例26
/**
* Considers the current (x, y) coordinate and updates the crosshair point
* if it meets the criteria (usually means the (x, y) coordinate is the
* closest to the anchor point so far).
*
* @param crosshairState the crosshair state (<code>null</code> permitted,
* but the method does nothing in that case).
* @param x the x-value (in data space).
* @param y the y-value (in data space).
* @param domainAxisIndex the index of the domain axis for the point.
* @param rangeAxisIndex the index of the range axis for the point.
* @param transX the x-value translated to Java2D space.
* @param transY the y-value translated to Java2D space.
* @param orientation the plot orientation (<code>null</code> not
* permitted).
*
* @since 1.0.4
*/
protected void updateCrosshairValues(CrosshairState crosshairState,
double x, double y, int domainAxisIndex, int rangeAxisIndex,
double transX, double transY, PlotOrientation orientation) {
if (orientation == null) {
throw new IllegalArgumentException("Null 'orientation' argument.");
}
if (crosshairState != null) {
// do we need to update the crosshair values?
if (this.plot.isDomainCrosshairLockedOnData()) {
if (this.plot.isRangeCrosshairLockedOnData()) {
// both axes
crosshairState.updateCrosshairPoint(x, y, domainAxisIndex,
rangeAxisIndex, transX, transY, orientation);
}
else {
// just the domain axis...
crosshairState.updateCrosshairX(x, domainAxisIndex);
}
}
else {
if (this.plot.isRangeCrosshairLockedOnData()) {
// just the range axis...
crosshairState.updateCrosshairY(y, rangeAxisIndex);
}
}
}
}
示例27
/**
* Calculates the coordinate of the first "side" of a bar. This will be
* the minimum x-coordinate for a vertical bar, and the minimum
* y-coordinate for a horizontal bar.
*
* @param plot the plot.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param state the renderer state (has the bar width precalculated).
* @param row the row index.
* @param column the column index.
*
* @return The coordinate.
*/
protected double calculateBarW0(CategoryPlot plot,
PlotOrientation orientation, Rectangle2D dataArea,
CategoryAxis domainAxis, CategoryItemRendererState state, int row,
int column) {
// calculate bar width...
double space;
if (orientation == PlotOrientation.HORIZONTAL) {
space = dataArea.getHeight();
}
else {
space = dataArea.getWidth();
}
double barW0 = domainAxis.getCategoryStart(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge());
int seriesCount = state.getVisibleSeriesCount();
if (seriesCount < 0) {
seriesCount = getRowCount();
}
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap = space * getItemMargin()
/ (categoryCount * (seriesCount - 1));
double seriesW = calculateSeriesWidth(space, domainAxis,
categoryCount, seriesCount);
barW0 = barW0 + row * (seriesW + seriesGap)
+ (seriesW / 2.0) - (state.getBarWidth() / 2.0);
}
else {
barW0 = domainAxis.getCategoryMiddle(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge()) - state.getBarWidth()
/ 2.0;
}
return barW0;
}
示例28
/**
* Calculates the coordinate of the first "side" of a bar. This will be
* the minimum x-coordinate for a vertical bar, and the minimum
* y-coordinate for a horizontal bar.
*
* @param plot the plot.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param state the renderer state (has the bar width precalculated).
* @param row the row index.
* @param column the column index.
*
* @return The coordinate.
*/
protected double calculateBarW0(CategoryPlot plot,
PlotOrientation orientation, Rectangle2D dataArea,
CategoryAxis domainAxis, CategoryItemRendererState state,
int row, int column) {
// calculate bar width...
double space;
if (orientation == PlotOrientation.HORIZONTAL) {
space = dataArea.getHeight();
}
else {
space = dataArea.getWidth();
}
double barW0 = domainAxis.getCategoryStart(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge());
int seriesCount = state.getVisibleSeriesCount() >= 0
? state.getVisibleSeriesCount() : getRowCount();
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap = space * getItemMargin()
/ (categoryCount * (seriesCount - 1));
double seriesW = calculateSeriesWidth(space, domainAxis,
categoryCount, seriesCount);
barW0 = barW0 + row * (seriesW + seriesGap)
+ (seriesW / 2.0) - (state.getBarWidth() / 2.0);
}
else {
barW0 = domainAxis.getCategoryMiddle(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge()) - state.getBarWidth()
/ 2.0;
}
return barW0;
}
示例29
/**
* Draws a line perpendicular to the range axis.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the value axis.
* @param dataArea the area for plotting data (not yet adjusted for any 3D
* effect).
* @param value the value at which the grid line should be drawn.
* @param paint the paint (<code>null</code> not permitted).
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #drawRangeGridline
*
* @since 1.0.13
*/
public void drawRangeLine(Graphics2D g2, CategoryPlot plot, ValueAxis axis,
Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {
// TODO: In JFreeChart 1.2.0, put this method in the
// CategoryItemRenderer interface
Range range = axis.getRange();
if (!range.contains(value)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Line2D line = null;
double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
} else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
g2.setPaint(paint);
g2.setStroke(stroke);
Object saved = g2.getRenderingHint(RenderingHints.KEY_STROKE_CONTROL);
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
RenderingHints.VALUE_STROKE_NORMALIZE);
g2.draw(line);
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, saved);
}
示例30
/**
* Calculates the coordinate of the first "side" of a bar. This will be
* the minimum x-coordinate for a vertical bar, and the minimum
* y-coordinate for a horizontal bar.
*
* @param plot the plot.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param state the renderer state (has the bar width precalculated).
* @param row the row index.
* @param column the column index.
*
* @return The coordinate.
*/
protected double calculateBarW0(CategoryPlot plot,
PlotOrientation orientation,
Rectangle2D dataArea,
CategoryAxis domainAxis,
CategoryItemRendererState state,
int row,
int column) {
// calculate bar width...
double space = 0.0;
if (orientation == PlotOrientation.HORIZONTAL) {
space = dataArea.getHeight();
}
else {
space = dataArea.getWidth();
}
double barW0 = domainAxis.getCategoryStart(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge());
int seriesCount = getRowCount();
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap = space * getItemMargin()
/ (categoryCount * (seriesCount - 1));
double seriesW = calculateSeriesWidth(space, domainAxis,
categoryCount, seriesCount);
barW0 = barW0 + row * (seriesW + seriesGap)
+ (seriesW / 2.0) - (state.getBarWidth() / 2.0);
}
else {
barW0 = domainAxis.getCategoryMiddle(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge()) - state.getBarWidth()
/ 2.0;
}
return barW0;
}
