下面列出了java.awt.geom.Line2D#Double ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Draws a domain crosshair.
*
* @param g2 the graphics target.
* @param dataArea the data area.
* @param orientation the plot orientation.
* @param value the crosshair value.
* @param axis the axis against which the value is measured.
* @param stroke the stroke used to draw the crosshair line.
* @param paint the paint used to draw the crosshair line.
*
* @since 1.0.4
*/
protected void drawDomainCrosshair(Graphics2D g2, Rectangle2D dataArea,
PlotOrientation orientation, double value, ValueAxis axis,
Stroke stroke, Paint paint) {
if (axis.getRange().contains(value)) {
Line2D line = null;
if (orientation == PlotOrientation.VERTICAL) {
double xx = axis.valueToJava2D(value, dataArea,
RectangleEdge.BOTTOM);
line = new Line2D.Double(xx, dataArea.getMinY(), xx,
dataArea.getMaxY());
}
else {
double yy = axis.valueToJava2D(value, dataArea,
RectangleEdge.LEFT);
line = new Line2D.Double(dataArea.getMinX(), yy,
dataArea.getMaxX(), yy);
}
g2.setStroke(stroke);
g2.setPaint(paint);
g2.draw(line);
}
}
/**
* Draws a range crosshair.
*
* @param g2 the graphics target.
* @param dataArea the data area.
* @param orientation the plot orientation.
* @param value the crosshair value.
* @param axis the axis against which the value is measured.
* @param stroke the stroke used to draw the crosshair line.
* @param paint the paint used to draw the crosshair line.
*
* @since 1.0.5
*/
protected void drawRangeCrosshair(Graphics2D g2, Rectangle2D dataArea,
PlotOrientation orientation, double value, ValueAxis axis,
Stroke stroke, Paint paint) {
if (!axis.getRange().contains(value)) {
return;
}
Line2D line = null;
if (orientation == PlotOrientation.HORIZONTAL) {
double xx = axis.valueToJava2D(value, dataArea,
RectangleEdge.BOTTOM);
line = new Line2D.Double(xx, dataArea.getMinY(), xx,
dataArea.getMaxY());
}
else {
double yy = axis.valueToJava2D(value, dataArea,
RectangleEdge.LEFT);
line = new Line2D.Double(dataArea.getMinX(), yy,
dataArea.getMaxX(), yy);
}
g2.setStroke(stroke);
g2.setPaint(paint);
g2.draw(line);
}
/**
* Utility method for drawing a crosshair on the chart (if required).
*
* @param g2 The graphics device.
* @param dataArea The data area.
* @param value The coordinate, where to draw the line.
* @param stroke The stroke to use.
* @param paint The paint to use.
*/
protected void drawHorizontalLine(Graphics2D g2, Rectangle2D dataArea,
double value, Stroke stroke,
Paint paint) {
double yy = getRangeAxis().valueToJava2D(
value, dataArea, RectangleEdge.LEFT
);
Line2D line = new Line2D.Double(
dataArea.getMinX(), yy, dataArea.getMaxX(), yy
);
g2.setStroke(stroke);
g2.setPaint(paint);
g2.draw(line);
}
/**
* Creates a new renderer.
*
* @param lines lines visible?
* @param shapes shapes visible?
*/
public XYLineAndShapeRenderer(boolean lines, boolean shapes) {
this.linesVisible = null;
this.seriesLinesVisible = new BooleanList();
this.baseLinesVisible = lines;
this.legendLine = new Line2D.Double(-7.0, 0.0, 7.0, 0.0);
this.shapesVisible = null;
this.seriesShapesVisible = new BooleanList();
this.baseShapesVisible = shapes;
this.shapesFilled = null;
this.useFillPaint = false; // use item paint for fills by default
this.seriesShapesFilled = new BooleanList();
this.baseShapesFilled = true;
this.drawOutlines = true;
this.useOutlinePaint = false; // use item paint for outlines by
// default, not outline paint
this.drawSeriesLineAsPath = false;
}
/**
* A test for cloning - checks that the line shape is cloned correctly.
*/
public void testCloning2() {
Rectangle r = new Rectangle(1, 2, 3, 4);
LegendGraphic g1 = new LegendGraphic(r, Color.black);
Line2D l = new Line2D.Double(1.0, 2.0, 3.0, 4.0);
g1.setLine(l);
LegendGraphic g2 = null;
try {
g2 = (LegendGraphic) g1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(g1 != g2);
assertTrue(g1.getClass() == g2.getClass());
assertTrue(g1.equals(g2));
// check independence
l.setLine(4.0, 3.0, 2.0, 1.0);
assertFalse(g1.equals(g2));
}
/**
* 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);
}
/**
* Draws the needle.
*
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
@Override
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
Point2D rotate, double angle) {
Line2D shape = new Line2D.Double();
double x = plotArea.getMinX() + (plotArea.getWidth() / 2);
shape.setLine(x, plotArea.getMinY(), x, plotArea.getMaxY());
Shape s = shape;
if ((rotate != null) && (angle != 0)) {
/// we have rotation
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
s = getTransform().createTransformedShape(s);
}
defaultDisplay(g2, s);
}
/**
* Constructs a new renderer. To specify the type of renderer, use one of
* the constants: {@link #SHAPES}, {@link #LINES} or
* {@link #SHAPES_AND_LINES}.
*
* @param type the type of renderer.
* @param toolTipGenerator the item label generator (<code>null</code>
* permitted).
* @param urlGenerator the URL generator.
*/
public StandardXYItemRenderer(int type,
XYToolTipGenerator toolTipGenerator,
XYURLGenerator urlGenerator) {
super();
setBaseToolTipGenerator(toolTipGenerator);
setURLGenerator(urlGenerator);
if ((type & SHAPES) != 0) {
this.baseShapesVisible = true;
}
if ((type & LINES) != 0) {
this.plotLines = true;
}
if ((type & IMAGES) != 0) {
this.plotImages = true;
}
if ((type & DISCONTINUOUS) != 0) {
this.plotDiscontinuous = true;
}
this.shapesFilled = null;
this.seriesShapesFilled = new BooleanList();
this.baseShapesFilled = true;
this.legendLine = new Line2D.Double(-7.0, 0.0, 7.0, 0.0);
this.drawSeriesLineAsPath = false;
}
/**
* Draws the axis.
*
* @param g2 the graphics device (<code>null</code> not permitted).
* @param cursor the cursor position.
* @param plotArea the plot area (<code>null</code> not permitted).
* @param dataArea the data area (<code>null</code> not permitted).
* @param edge the edge (<code>null</code> not permitted).
* @param plotState collects information about the plot
* (<code>null</code> permitted).
*
* @return The axis state (never <code>null</code>).
*/
@Override
public AxisState draw(Graphics2D g2, double cursor, Rectangle2D plotArea,
Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState) {
AxisState ret = super.draw(g2, cursor, plotArea, dataArea, edge,
plotState);
if (isAdvanceLineVisible()) {
double xx = valueToJava2D(getRange().getUpperBound(), dataArea,
edge);
Line2D mark = null;
g2.setStroke(getAdvanceLineStroke());
g2.setPaint(getAdvanceLinePaint());
if (edge == RectangleEdge.LEFT) {
mark = new Line2D.Double(cursor, xx, cursor
+ dataArea.getWidth(), xx);
}
else if (edge == RectangleEdge.RIGHT) {
mark = new Line2D.Double(cursor - dataArea.getWidth(), xx,
cursor, xx);
}
else if (edge == RectangleEdge.TOP) {
mark = new Line2D.Double(xx, cursor + dataArea.getHeight(), xx,
cursor);
}
else if (edge == RectangleEdge.BOTTOM) {
mark = new Line2D.Double(xx, cursor, xx,
cursor - dataArea.getHeight());
}
g2.draw(mark);
}
return ret;
}
/**
* Draws a line perpendicular to the range axis.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param axis the value axis.
* @param dataArea the area for plotting data (not yet adjusted for any 3D
* effect).
* @param value the value at which the grid line should be drawn.
* @param paint the paint.
* @param stroke the stroke.
*/
public void drawRangeLine(Graphics2D g2,
XYPlot plot,
ValueAxis axis,
Rectangle2D dataArea,
double value,
Paint paint,
Stroke stroke) {
Range range = axis.getRange();
if (!range.contains(value)) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Line2D line = null;
double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line);
}
/**
* Draws a grid line against the domain axis.
* <P>
* Note that this default implementation assumes that the horizontal axis
* is the domain axis. If this is not the case, you will need to override
* this method.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the area for plotting data (not yet adjusted for any
* 3D effect).
* @param value the Java2D value at which the grid line should be drawn.
* @param paint the paint (<code>null</code> not permitted).
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #drawRangeGridline(Graphics2D, CategoryPlot, ValueAxis,
* Rectangle2D, double)
*
* @since 1.2.0
*/
public void drawDomainLine(Graphics2D g2, CategoryPlot plot,
Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {
if (paint == null) {
throw new IllegalArgumentException("Null 'paint' argument.");
}
if (stroke == null) {
throw new IllegalArgumentException("Null 'stroke' argument.");
}
Line2D line = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(dataArea.getMinX(), value,
dataArea.getMaxX(), value);
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(value, dataArea.getMinY(), value,
dataArea.getMaxY());
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line);
}
private static void connectPoints(Graphics2D g,
double x1, double y1,
double x2, double y2, float c) {
if (c == 0) {
var line = new Line2D.Double(x1, y1, x2, y2);
g.draw(line);
} else {
Path2D path = new Path2D.Double();
path.moveTo(x1, y1);
double dx = x2 - x1;
double dy = y2 - y1;
// center point
double cx = x1 + dx / 2.0;
double cy = y1 + dy / 2.0;
// calculate only one Bezier control point,
// and use it for both.
// The normal vector is -dy, dx.
double ctrlX = cx - dy * c;
double ctrlY = cy + dx * c;
path.curveTo(ctrlX, ctrlY, ctrlX, ctrlY, x2, y2);
g.draw(path);
}
}
public DiagramGraph getClosestGraph(int x, int y) {
double minDist = Double.MAX_VALUE;
Point2D.Double a = new Point2D.Double();
Point2D.Double b1 = new Point2D.Double();
Point2D.Double b2 = new Point2D.Double();
DiagramGraph closestGraph = null;
for (DiagramGraph graph : getGraphs()) {
double minDistGraph = Double.MAX_VALUE;
int n = graph.getNumValues();
for (int i = 0; i < n; i++) {
a.setLocation(graph.getXValueAt(i), graph.getYValueAt(i));
b1.setLocation(b2);
transform.transformA2B(a, b2);
if (i > 0) {
Line2D.Double segment = new Line2D.Double(b1, b2);
double v = segment.ptSegDist(x, y);
if (v < minDistGraph) {
minDistGraph = v;
}
}
}
if (minDistGraph < minDist) {
minDist = minDistGraph;
closestGraph = graph;
}
}
return closestGraph;
}
public static void showPlanar(RealSignal signal, String title) {
if (signal == null) {
return;
}
ArrayList<Line2D.Double> lines = Output.createOverlayPlanar(signal);
imaging.show(signal.createPlanar(), title, Imager.Type.FLOAT, 0, lines);
}
/**
* Draws a grid line against the domain axis.
* <P>
* Note that this default implementation assumes that the horizontal axis
* is the domain axis. If this is not the case, you will need to override
* this method.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the area for plotting data (not yet adjusted for any
* 3D effect).
* @param value the Java2D value at which the grid line should be drawn.
* @param paint the paint (<code>null</code> not permitted).
* @param stroke the stroke (<code>null</code> not permitted).
*
* @see #drawRangeGridline(Graphics2D, CategoryPlot, ValueAxis,
* Rectangle2D, double)
*
* @since 1.2.0
*/
public void drawDomainLine(Graphics2D g2, CategoryPlot plot,
Rectangle2D dataArea, double value, Paint paint, Stroke stroke) {
if (paint == null) {
throw new IllegalArgumentException("Null 'paint' argument.");
}
if (stroke == null) {
throw new IllegalArgumentException("Null 'stroke' argument.");
}
Line2D line = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(dataArea.getMinX(), value,
dataArea.getMaxX(), value);
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(value, dataArea.getMinY(), value,
dataArea.getMaxY());
}
g2.setPaint(paint);
g2.setStroke(stroke);
g2.draw(line);
}
/**
* Draws the axis line, tick marks and tick mark labels.
*
* @param g2 the graphics device.
* @param cursor the cursor.
* @param plotArea the plot area.
* @param dataArea the data area.
* @param edge the edge that the axis is aligned with.
* @param info the plot rendering info.
*
* @return The width or height used to draw the axis.
*/
protected AxisState drawTickMarksAndLabels(Graphics2D g2, double cursor,
Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge,
PlotRenderingInfo info) {
AxisState state = new AxisState(cursor);
if (isAxisLineVisible()) {
drawAxisLine(g2, cursor, dataArea, edge);
}
double ol = getTickMarkOutsideLength();
double il = getTickMarkInsideLength();
List ticks = refreshTicks(g2, state, dataArea, edge);
state.setTicks(ticks);
g2.setFont(getTickLabelFont());
Iterator iterator = ticks.iterator();
while (iterator.hasNext()) {
ValueTick tick = (ValueTick) iterator.next();
if (isTickLabelsVisible()) {
g2.setPaint(getTickLabelPaint());
float[] anchorPoint = calculateAnchorPoint(tick, cursor,
dataArea, edge);
TextUtilities.drawRotatedString(tick.getText(), g2,
anchorPoint[0], anchorPoint[1], tick.getTextAnchor(),
tick.getAngle(), tick.getRotationAnchor());
}
if (isTickMarksVisible() && tick.getTickType().equals(TickType.MAJOR)) {
float xx = (float) valueToJava2D(tick.getValue(), dataArea,
edge);
Line2D mark = null;
g2.setStroke(getTickMarkStroke());
g2.setPaint(getTickMarkPaint());
if (edge == RectangleEdge.LEFT) {
mark = new Line2D.Double(cursor - ol, xx, cursor + il, xx);
}
else if (edge == RectangleEdge.RIGHT) {
mark = new Line2D.Double(cursor + ol, xx, cursor - il, xx);
}
else if (edge == RectangleEdge.TOP) {
mark = new Line2D.Double(xx, cursor - ol, xx, cursor + il);
}
else if (edge == RectangleEdge.BOTTOM) {
mark = new Line2D.Double(xx, cursor + ol, xx, cursor - il);
}
g2.draw(mark);
}
}
// need to work out the space used by the tick labels...
// so we can update the cursor...
double used = 0.0;
if (isTickLabelsVisible()) {
if (edge == RectangleEdge.LEFT) {
used += findMaximumTickLabelWidth(ticks, g2, plotArea,
isVerticalTickLabels());
state.cursorLeft(used);
}
else if (edge == RectangleEdge.RIGHT) {
used = findMaximumTickLabelWidth(ticks, g2, plotArea,
isVerticalTickLabels());
state.cursorRight(used);
}
else if (edge == RectangleEdge.TOP) {
used = findMaximumTickLabelHeight(ticks, g2, plotArea,
isVerticalTickLabels());
state.cursorUp(used);
}
else if (edge == RectangleEdge.BOTTOM) {
used = findMaximumTickLabelHeight(ticks, g2, plotArea,
isVerticalTickLabels());
state.cursorDown(used);
}
}
return state;
}
/**
* 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.
*/
@Override
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 a marker for the domain axis.
*
* @param g2 the graphics device (not <code>null</code>).
* @param plot the plot (not <code>null</code>).
* @param axis the range axis (not <code>null</code>).
* @param marker the marker to be drawn (not <code>null</code>).
* @param dataArea the area inside the axes (not <code>null</code>).
*
* @see #drawRangeMarker(Graphics2D, CategoryPlot, ValueAxis, Marker,
* Rectangle2D)
*/
public void drawDomainMarker(Graphics2D g2,
CategoryPlot plot,
CategoryAxis axis,
CategoryMarker marker,
Rectangle2D dataArea) {
Comparable category = marker.getKey();
CategoryDataset dataset = plot.getDataset(plot.getIndexOf(this));
int columnIndex = dataset.getColumnIndex(category);
if (columnIndex < 0) {
return;
}
final Composite savedComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, marker.getAlpha()));
PlotOrientation orientation = plot.getOrientation();
Rectangle2D bounds = null;
if (marker.getDrawAsLine()) {
double v = axis.getCategoryMiddle(columnIndex,
dataset.getColumnCount(), dataArea,
plot.getDomainAxisEdge());
Line2D line = null;
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
g2.setPaint(marker.getPaint());
g2.setStroke(marker.getStroke());
g2.draw(line);
bounds = line.getBounds2D();
}
else {
double v0 = axis.getCategoryStart(columnIndex,
dataset.getColumnCount(), dataArea,
plot.getDomainAxisEdge());
double v1 = axis.getCategoryEnd(columnIndex,
dataset.getColumnCount(), dataArea,
plot.getDomainAxisEdge());
Rectangle2D area = null;
if (orientation == PlotOrientation.HORIZONTAL) {
area = new Rectangle2D.Double(dataArea.getMinX(), v0,
dataArea.getWidth(), (v1 - v0));
}
else if (orientation == PlotOrientation.VERTICAL) {
area = new Rectangle2D.Double(v0, dataArea.getMinY(),
(v1 - v0), dataArea.getHeight());
}
g2.setPaint(marker.getPaint());
g2.fill(area);
bounds = area;
}
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates = calculateDomainMarkerTextAnchorPoint(
g2, orientation, dataArea, bounds, marker.getLabelOffset(),
marker.getLabelOffsetType(), anchor);
TextUtilities.drawAlignedString(label, g2,
(float) coordinates.getX(), (float) coordinates.getY(),
marker.getLabelTextAnchor());
}
g2.setComposite(savedComposite);
}
/**
* Draws a marker for the domain axis.
*
* @param g2 the graphics device (not <code>null</code>).
* @param plot the plot (not <code>null</code>).
* @param axis the range axis (not <code>null</code>).
* @param marker the marker to be drawn (not <code>null</code>).
* @param dataArea the area inside the axes (not <code>null</code>).
*
* @see #drawRangeMarker(Graphics2D, CategoryPlot, ValueAxis, Marker,
* Rectangle2D)
*/
public void drawDomainMarker(Graphics2D g2,
CategoryPlot plot,
CategoryAxis axis,
CategoryMarker marker,
Rectangle2D dataArea) {
Comparable category = marker.getKey();
CategoryDataset dataset = plot.getDataset(plot.getIndexOf(this));
int columnIndex = dataset.getColumnIndex(category);
if (columnIndex < 0) {
return;
}
final Composite savedComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, marker.getAlpha()));
PlotOrientation orientation = plot.getOrientation();
Rectangle2D bounds = null;
if (marker.getDrawAsLine()) {
double v = axis.getCategoryMiddle(columnIndex,
dataset.getColumnCount(), dataArea,
plot.getDomainAxisEdge());
Line2D line = null;
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(dataArea.getMinX(), v,
dataArea.getMaxX(), v);
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v,
dataArea.getMaxY());
}
g2.setPaint(marker.getPaint());
g2.setStroke(marker.getStroke());
g2.draw(line);
bounds = line.getBounds2D();
}
else {
double v0 = axis.getCategoryStart(columnIndex,
dataset.getColumnCount(), dataArea,
plot.getDomainAxisEdge());
double v1 = axis.getCategoryEnd(columnIndex,
dataset.getColumnCount(), dataArea,
plot.getDomainAxisEdge());
Rectangle2D area = null;
if (orientation == PlotOrientation.HORIZONTAL) {
area = new Rectangle2D.Double(dataArea.getMinX(), v0,
dataArea.getWidth(), (v1 - v0));
}
else if (orientation == PlotOrientation.VERTICAL) {
area = new Rectangle2D.Double(v0, dataArea.getMinY(),
(v1 - v0), dataArea.getHeight());
}
g2.setPaint(marker.getPaint());
g2.fill(area);
bounds = area;
}
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates = calculateDomainMarkerTextAnchorPoint(
g2, orientation, dataArea, bounds, marker.getLabelOffset(),
marker.getLabelOffsetType(), anchor);
TextUtilities.drawAlignedString(label, g2,
(float) coordinates.getX(), (float) coordinates.getY(),
marker.getLabelTextAnchor());
}
g2.setComposite(savedComposite);
}
/**
* Draws a line, using the current color, between the points <code>(x1, y1)</code> and <code>(x2, y2)</code>
* in this graphics context's coordinate system.
*
* @param x1
* the first point's <i>x</i> coordinate.
* @param y1
* the first point's <i>y</i> coordinate.
* @param x2
* the second point's <i>x</i> coordinate.
* @param y2
* the second point's <i>y</i> coordinate.
*/
public void drawLine( final int x1, final int y1, final int x2, final int y2 ) {
final Line2D line = new Line2D.Double( (double) x1, (double) y1, (double) x2, (double) y2 );
draw( line );
}