下面列出了java.awt.geom.Line2D#setLine ( ) 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。
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
XYDifferenceRenderer r1 = new XYDifferenceRenderer(Color.red,
Color.blue, false);
XYDifferenceRenderer r2 = (XYDifferenceRenderer) r1.clone();
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
// check independence
Shape s = r1.getLegendLine();
if (s instanceof Line2D) {
Line2D l = (Line2D) s;
l.setLine(1.0, 2.0, 3.0, 4.0);
assertFalse(r1.equals(r2));
}
}
/**
* 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);
}
/**
* 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);
}
/** Check the bounds of given line with the bounds of this pane. Optionally
* calculate the new bounds in current pane's boundary.
* @param line a line for check
* @return a line with bounds inside the pane's boundary */
private Line2D checkLineBounds(Line2D line) {
Rectangle bounds = getBounds();
double startPointX;
double startPointY;
double endPointX;
double endPointY;
// check start point
startPointX = Math.max(line.getX1(), bounds.x + MIN_X);
startPointY = Math.max(line.getY1(), bounds.y + MIN_Y);
// check end point
endPointX = Math.min(line.getX2(), (bounds.x + bounds.width) - MIN_WIDTH);
endPointY = Math.min(line.getY2(), (bounds.y + bounds.height) - MIN_HEIGTH);
// set new bounds
line.setLine(startPointX, startPointY, endPointX, endPointY);
return line;
}
/**
* Gets the icon.
*
* @param w width of the icon
* @param h height of the icon
* @return the icon
*/
public Icon getIcon(int w, int h) {
int scale = FontSizer.getIntegerFactor();
w *= scale;
h *= scale;
transform.setToScale(scale, scale);
Shape shape = transform.createTransformedShape(circle);
if (stroke==null || stroke.getLineWidth()!=scale*baseStroke.getLineWidth()) {
stroke = new BasicStroke(scale*baseStroke.getLineWidth());
arcStroke = new BasicStroke(scale);
arcAdjustStroke = new BasicStroke(stroke.getLineWidth(),
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_MITER,
8,
DOTTED_LINE,
stroke.getDashPhase());
}
shape = stroke.createStrokedShape(shape);
Area area = new Area(shape);
double x0 = scale*(radius+2)-w;
double y0 = h-scale*(radius+2);
double d = Math.sqrt(x0*x0+y0*y0);
double x1 = x0*scale*radius/d;
double y1 = y0*scale*radius/d;
Line2D line = new Line2D.Double(x0, y0, x1, y1);
area.add(new Area(stroke.createStrokedShape(line)));
line.setLine(x0, y0, radius-2, y0);
area.add(new Area(stroke.createStrokedShape(line)));
ShapeIcon icon = new ShapeIcon(area, w, h);
icon.setColor(color);
return icon;
}
/**
* Draws the sample.
*
* @param g the graphics device.
*/
@Override
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
Dimension size = getSize();
Insets insets = getInsets();
double ww = size.getWidth() - insets.left - insets.right;
double hh = size.getHeight() - insets.top - insets.bottom;
g2.setStroke(new BasicStroke(1.0f));
double y1 = insets.top;
double y2 = y1 + hh;
double xx = insets.left;
Line2D line = new Line2D.Double();
int count = 0;
while (xx <= insets.left + ww) {
count++;
line.setLine(xx, y1, xx, y2);
g2.setPaint(this.palette.getColor(count));
g2.draw(line);
xx += 1;
}
}
/**
* Draws the sample.
*
* @param g the graphics device.
*/
@Override
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
Dimension size = getSize();
Insets insets = getInsets();
double ww = size.getWidth() - insets.left - insets.right;
double hh = size.getHeight() - insets.top - insets.bottom;
g2.setStroke(new BasicStroke(1.0f));
double y1 = insets.top;
double y2 = y1 + hh;
double xx = insets.left;
Line2D line = new Line2D.Double();
int count = 0;
while (xx <= insets.left + ww) {
count++;
line.setLine(xx, y1, xx, y2);
g2.setPaint(this.palette.getColor(count));
g2.draw(line);
xx += 1;
}
}
/** Converts line's bounds by the bounds of the root pane. Drop glass pane
* is over this root pane. After covert a given line is set to drop glass pane.
* @param line line for show in drop glass pane */
private void convertBoundsAndSetDropLine(final Line2D line) {
int x1 = (int) line.getX1();
int x2 = (int) line.getX2();
int y1 = (int) line.getY1();
int y2 = (int) line.getY2();
Point p1 = SwingUtilities.convertPoint(table, x1, y1, table.getRootPane());
Point p2 = SwingUtilities.convertPoint(table, x2, y2, table.getRootPane());
line.setLine(p1, p2);
dropPane.setDropLine(line);
}
/**
* Draws the sample.
*
* @param g the graphics device.
*/
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF
);
Dimension size = getSize();
Insets insets = getInsets();
double ww = size.getWidth() - insets.left - insets.right;
double hh = size.getHeight() - insets.top - insets.bottom;
g2.setStroke(new BasicStroke(1.0f));
double y1 = insets.top;
double y2 = y1 + hh;
double xx = insets.left;
Line2D line = new Line2D.Double();
int count = 0;
while (xx <= insets.left + ww) {
count++;
line.setLine(xx, y1, xx, y2);
g2.setPaint(this.palette.getColor(count));
g2.draw(line);
xx += 1;
}
}
/**
* Draws the needle.
*
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
Point2D rotate, double angle) {
Line2D shape = new Line2D.Float();
Shape d = null;
float x = (float) (plotArea.getMinX() + (plotArea.getWidth() / 2));
float minY = (float) plotArea.getMinY();
float maxY = (float) plotArea.getMaxY();
shape.setLine(x, minY, x, maxY);
GeneralPath shape1 = new GeneralPath();
if (this.isArrowAtTop) {
shape1.moveTo(x, minY);
minY += 4 * getSize();
}
else {
shape1.moveTo(x, maxY);
minY = maxY - 4 * getSize();
}
shape1.lineTo(x + getSize(), minY);
shape1.lineTo(x - getSize(), minY);
shape1.closePath();
if ((rotate != null) && (angle != 0)) {
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
d = getTransform().createTransformedShape(shape);
}
else {
d = shape;
}
defaultDisplay(g2, d);
if ((rotate != null) && (angle != 0)) {
d = getTransform().createTransformedShape(shape1);
}
else {
d = shape1;
}
defaultDisplay(g2, d);
}
/**
* Clips the specified line to the given rectangle.
*
* @param line the line (<code>null</code> not permitted).
* @param rect the clipping rectangle (<code>null</code> not permitted).
*
* @return <code>true</code> if the clipped line is visible, and
* <code>false</code> otherwise.
*/
public static boolean clipLine(Line2D line, Rectangle2D rect) {
double x1 = line.getX1();
double y1 = line.getY1();
double x2 = line.getX2();
double y2 = line.getY2();
double minX = rect.getMinX();
double maxX = rect.getMaxX();
double minY = rect.getMinY();
double maxY = rect.getMaxY();
int f1 = rect.outcode(x1, y1);
int f2 = rect.outcode(x2, y2);
while ((f1 | f2) != 0) {
if ((f1 & f2) != 0) {
return false;
}
double dx = (x2 - x1);
double dy = (y2 - y1);
// update (x1, y1), (x2, y2) and f1 and f2 using intersections
// then recheck
if (f1 != 0) {
// first point is outside, so we update it against one of the
// four sides then continue
if ((f1 & Rectangle2D.OUT_LEFT) == Rectangle2D.OUT_LEFT
&& dx != 0.0) {
y1 = y1 + (minX - x1) * dy / dx;
x1 = minX;
}
else if ((f1 & Rectangle2D.OUT_RIGHT) == Rectangle2D.OUT_RIGHT
&& dx != 0.0) {
y1 = y1 + (maxX - x1) * dy / dx;
x1 = maxX;
}
else if ((f1 & Rectangle2D.OUT_BOTTOM) == Rectangle2D.OUT_BOTTOM
&& dy != 0.0) {
x1 = x1 + (maxY - y1) * dx / dy;
y1 = maxY;
}
else if ((f1 & Rectangle2D.OUT_TOP) == Rectangle2D.OUT_TOP
&& dy != 0.0) {
x1 = x1 + (minY - y1) * dx / dy;
y1 = minY;
}
f1 = rect.outcode(x1, y1);
}
else if (f2 != 0) {
// second point is outside, so we update it against one of the
// four sides then continue
if ((f2 & Rectangle2D.OUT_LEFT) == Rectangle2D.OUT_LEFT
&& dx != 0.0) {
y2 = y2 + (minX - x2) * dy / dx;
x2 = minX;
}
else if ((f2 & Rectangle2D.OUT_RIGHT) == Rectangle2D.OUT_RIGHT
&& dx != 0.0) {
y2 = y2 + (maxX - x2) * dy / dx;
x2 = maxX;
}
else if ((f2 & Rectangle2D.OUT_BOTTOM) == Rectangle2D.OUT_BOTTOM
&& dy != 0.0) {
x2 = x2 + (maxY - y2) * dx / dy;
y2 = maxY;
}
else if ((f2 & Rectangle2D.OUT_TOP) == Rectangle2D.OUT_TOP
&& dy != 0.0) {
x2 = x2 + (minY - y2) * dx / dy;
y2 = minY;
}
f2 = rect.outcode(x2, y2);
}
}
line.setLine(x1, y1, x2, y2);
return true; // the line is visible - if it wasn't, we'd have
// returned false from within the while loop above
}
/**
* Draws the background for the plot.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the area inside the axes.
*/
@Override
public void drawBackground(Graphics2D g2, CategoryPlot plot,
Rectangle2D dataArea) {
float x0 = (float) dataArea.getX();
float x1 = x0 + (float) Math.abs(this.xOffset);
float x3 = (float) dataArea.getMaxX();
float x2 = x3 - (float) Math.abs(this.xOffset);
float y0 = (float) dataArea.getMaxY();
float y1 = y0 - (float) Math.abs(this.yOffset);
float y3 = (float) dataArea.getMinY();
float y2 = y3 + (float) Math.abs(this.yOffset);
GeneralPath clip = new GeneralPath();
clip.moveTo(x0, y0);
clip.lineTo(x0, y2);
clip.lineTo(x1, y3);
clip.lineTo(x3, y3);
clip.lineTo(x3, y1);
clip.lineTo(x2, y0);
clip.closePath();
Composite originalComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
plot.getBackgroundAlpha()));
// fill background...
Paint backgroundPaint = plot.getBackgroundPaint();
if (backgroundPaint != null) {
g2.setPaint(backgroundPaint);
g2.fill(clip);
}
GeneralPath leftWall = new GeneralPath();
leftWall.moveTo(x0, y0);
leftWall.lineTo(x0, y2);
leftWall.lineTo(x1, y3);
leftWall.lineTo(x1, y1);
leftWall.closePath();
g2.setPaint(getWallPaint());
g2.fill(leftWall);
GeneralPath bottomWall = new GeneralPath();
bottomWall.moveTo(x0, y0);
bottomWall.lineTo(x1, y1);
bottomWall.lineTo(x3, y1);
bottomWall.lineTo(x2, y0);
bottomWall.closePath();
g2.setPaint(getWallPaint());
g2.fill(bottomWall);
// highlight the background corners...
g2.setPaint(Color.lightGray);
Line2D corner = new Line2D.Double(x0, y0, x1, y1);
g2.draw(corner);
corner.setLine(x1, y1, x1, y3);
g2.draw(corner);
corner.setLine(x1, y1, x3, y1);
g2.draw(corner);
// draw background image, if there is one...
Image backgroundImage = plot.getBackgroundImage();
if (backgroundImage != null) {
Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX()
+ getXOffset(), dataArea.getY(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
plot.drawBackgroundImage(g2, adjusted);
}
g2.setComposite(originalComposite);
}
/**
* Clips the specified line to the given rectangle.
*
* @param line the line (<code>null</code> not permitted).
* @param rect the clipping rectangle (<code>null</code> not permitted).
*
* @return <code>true</code> if the clipped line is visible, and
* <code>false</code> otherwise.
*/
public static boolean clipLine(Line2D line, Rectangle2D rect) {
double x1 = line.getX1();
double y1 = line.getY1();
double x2 = line.getX2();
double y2 = line.getY2();
double minX = rect.getMinX();
double maxX = rect.getMaxX();
double minY = rect.getMinY();
double maxY = rect.getMaxY();
int f1 = rect.outcode(x1, y1);
int f2 = rect.outcode(x2, y2);
while ((f1 | f2) != 0) {
if ((f1 & f2) != 0) {
return false;
}
double dx = (x2 - x1);
double dy = (y2 - y1);
// update (x1, y1), (x2, y2) and f1 and f2 using intersections
// then recheck
if (f1 != 0) {
// first point is outside, so we update it against one of the
// four sides then continue
if ((f1 & Rectangle2D.OUT_LEFT) == Rectangle2D.OUT_LEFT
&& dx != 0.0) {
y1 = y1 + (minX - x1) * dy / dx;
x1 = minX;
}
else if ((f1 & Rectangle2D.OUT_RIGHT) == Rectangle2D.OUT_RIGHT
&& dx != 0.0) {
y1 = y1 + (maxX - x1) * dy / dx;
x1 = maxX;
}
else if ((f1 & Rectangle2D.OUT_BOTTOM) == Rectangle2D.OUT_BOTTOM
&& dy != 0.0) {
x1 = x1 + (maxY - y1) * dx / dy;
y1 = maxY;
}
else if ((f1 & Rectangle2D.OUT_TOP) == Rectangle2D.OUT_TOP
&& dy != 0.0) {
x1 = x1 + (minY - y1) * dx / dy;
y1 = minY;
}
f1 = rect.outcode(x1, y1);
}
else if (f2 != 0) {
// second point is outside, so we update it against one of the
// four sides then continue
if ((f2 & Rectangle2D.OUT_LEFT) == Rectangle2D.OUT_LEFT
&& dx != 0.0) {
y2 = y2 + (minX - x2) * dy / dx;
x2 = minX;
}
else if ((f2 & Rectangle2D.OUT_RIGHT) == Rectangle2D.OUT_RIGHT
&& dx != 0.0) {
y2 = y2 + (maxX - x2) * dy / dx;
x2 = maxX;
}
else if ((f2 & Rectangle2D.OUT_BOTTOM) == Rectangle2D.OUT_BOTTOM
&& dy != 0.0) {
x2 = x2 + (maxY - y2) * dx / dy;
y2 = maxY;
}
else if ((f2 & Rectangle2D.OUT_TOP) == Rectangle2D.OUT_TOP
&& dy != 0.0) {
x2 = x2 + (minY - y2) * dx / dy;
y2 = minY;
}
f2 = rect.outcode(x2, y2);
}
}
line.setLine(x1, y1, x2, y2);
return true; // the line is visible - if it wasn't, we'd have
// returned false from within the while loop above
}
@Test
public void testClipLine() {
Rectangle2D rect = new Rectangle2D.Double(1.0, 1.0, 1.0, 1.0);
Line2D line = new Line2D.Double();
assertFalse(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 0.0, 0.0, 0.0, 0.0));
line.setLine(0.5, 0.5, 0.6, 0.6);
assertFalse(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 0.5, 0.5, 0.6, 0.6));
line.setLine(0.5, 0.5, 1.6, 0.6);
assertFalse(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 0.5, 0.5, 1.6, 0.6));
line.setLine(0.5, 0.5, 2.6, 0.6);
assertFalse(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 0.5, 0.5, 2.6, 0.6));
line.setLine(0.5, 0.5, 0.6, 1.6);
assertFalse(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 0.5, 0.5, 0.6, 1.6));
line.setLine(0.5, 0.5, 1.6, 1.6);
assertTrue(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 1.0, 1.0, 1.6, 1.6));
line.setLine(0.5, 0.5, 2.6, 1.6);
assertTrue(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 1.4545454545454546, 1.0, 2.0,
1.2857142857142858));
line.setLine(0.5, 0.5, 0.5, 2.6);
assertFalse(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 0.5, 0.5, 0.5, 2.6));
line.setLine(0.5, 0.5, 1.5, 2.6);
assertTrue(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 1.0, 1.55, 1.2142857142857142, 2.0));
line.setLine(0.5, 0.5, 2.5, 2.6);
assertTrue(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 1.0, 1.025, 1.9285714285714284, 2.0));
line.setLine(0.5, 0.5, 1.5, 1.5);
assertTrue(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 1.0, 1.0, 1.5, 1.5));
line.setLine(2.5, 1.0, 1.5, 1.5);
assertTrue(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 2.0, 1.25, 1.5, 1.5));
line.setLine(1.5, 1.5, 2.5, 1.0);
assertTrue(LineUtilities.clipLine(line, rect));
assertTrue(lineEquals(line, 1.5, 1.5, 2.0, 1.25));
}
/**
* Draws the border by filling in the reserved space (in black).
*
* @param g2 the graphics device.
* @param area the area.
*/
@Override
public void draw(Graphics2D g2, Rectangle2D area) {
double w = area.getWidth();
double h = area.getHeight();
// if the area has zero height or width, we shouldn't draw anything
if (w <= 0.0 || h <= 0.0) {
return;
}
double t = this.insets.calculateTopInset(h);
double b = this.insets.calculateBottomInset(h);
double l = this.insets.calculateLeftInset(w);
double r = this.insets.calculateRightInset(w);
double x = area.getX();
double y = area.getY();
double x0 = x + l / 2.0;
double x1 = x + w - r / 2.0;
double y0 = y + h - b / 2.0;
double y1 = y + t / 2.0;
g2.setPaint(getPaint());
g2.setStroke(getStroke());
Object saved = g2.getRenderingHint(RenderingHints.KEY_STROKE_CONTROL);
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
RenderingHints.VALUE_STROKE_NORMALIZE);
Line2D line = new Line2D.Double();
if (t > 0.0) {
line.setLine(x0, y1, x1, y1);
g2.draw(line);
}
if (b > 0.0) {
line.setLine(x0, y0, x1, y0);
g2.draw(line);
}
if (l > 0.0) {
line.setLine(x0, y0, x0, y1);
g2.draw(line);
}
if (r > 0.0) {
line.setLine(x1, y0, x1, y1);
g2.draw(line);
}
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, saved);
}
/**
* 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.Float();
Shape d;
float x = (float) (plotArea.getMinX() + (plotArea.getWidth() / 2));
float minY = (float) plotArea.getMinY();
float maxY = (float) plotArea.getMaxY();
shape.setLine(x, minY, x, maxY);
GeneralPath shape1 = new GeneralPath();
if (this.isArrowAtTop) {
shape1.moveTo(x, minY);
minY += 4 * getSize();
}
else {
shape1.moveTo(x, maxY);
minY = maxY - 4 * getSize();
}
shape1.lineTo(x + getSize(), minY);
shape1.lineTo(x - getSize(), minY);
shape1.closePath();
if ((rotate != null) && (angle != 0)) {
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
d = getTransform().createTransformedShape(shape);
}
else {
d = shape;
}
defaultDisplay(g2, d);
if ((rotate != null) && (angle != 0)) {
d = getTransform().createTransformedShape(shape1);
}
else {
d = shape1;
}
defaultDisplay(g2, d);
}
/**
* Draws the scale on the dial plot.
*
* @param g2 the graphics target (<code>null</code> not permitted).
* @param plot the dial plot (<code>null</code> not permitted).
* @param frame the reference frame that is used to construct the
* geometry of the plot (<code>null</code> not permitted).
* @param view the visible part of the plot (<code>null</code> not
* permitted).
*/
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame,
Rectangle2D view) {
Rectangle2D arcRect = DialPlot.rectangleByRadius(frame,
this.tickRadius, this.tickRadius);
Rectangle2D arcRectMajor = DialPlot.rectangleByRadius(frame,
this.tickRadius - this.majorTickLength,
this.tickRadius - this.majorTickLength);
Rectangle2D arcRectMinor = arcRect;
if (this.minorTickCount > 0 && this.minorTickLength > 0.0) {
arcRectMinor = DialPlot.rectangleByRadius(frame,
this.tickRadius - this.minorTickLength,
this.tickRadius - this.minorTickLength);
}
Rectangle2D arcRectForLabels = DialPlot.rectangleByRadius(frame,
this.tickRadius - this.tickLabelOffset,
this.tickRadius - this.tickLabelOffset);
boolean firstLabel = true;
Arc2D arc = new Arc2D.Double();
Line2D workingLine = new Line2D.Double();
for (double v = this.lowerBound; v <= this.upperBound;
v += this.majorTickIncrement) {
arc.setArc(arcRect, this.startAngle, valueToAngle(v)
- this.startAngle, Arc2D.OPEN);
Point2D pt0 = arc.getEndPoint();
arc.setArc(arcRectMajor, this.startAngle, valueToAngle(v)
- this.startAngle, Arc2D.OPEN);
Point2D pt1 = arc.getEndPoint();
g2.setPaint(this.majorTickPaint);
g2.setStroke(this.majorTickStroke);
workingLine.setLine(pt0, pt1);
g2.draw(workingLine);
arc.setArc(arcRectForLabels, this.startAngle, valueToAngle(v)
- this.startAngle, Arc2D.OPEN);
Point2D pt2 = arc.getEndPoint();
if (this.tickLabelsVisible) {
if (!firstLabel || this.firstTickLabelVisible) {
g2.setFont(this.tickLabelFont);
g2.setPaint(this.tickLabelPaint);
TextUtilities.drawAlignedString(
this.tickLabelFormatter.format(v), g2,
(float) pt2.getX(), (float) pt2.getY(),
TextAnchor.CENTER);
}
}
firstLabel = false;
// now do the minor tick marks
if (this.minorTickCount > 0 && this.minorTickLength > 0.0) {
double minorTickIncrement = this.majorTickIncrement
/ (this.minorTickCount + 1);
for (int i = 0; i < this.minorTickCount; i++) {
double vv = v + ((i + 1) * minorTickIncrement);
if (vv >= this.upperBound) {
break;
}
double angle = valueToAngle(vv);
arc.setArc(arcRect, this.startAngle, angle
- this.startAngle, Arc2D.OPEN);
pt0 = arc.getEndPoint();
arc.setArc(arcRectMinor, this.startAngle, angle
- this.startAngle, Arc2D.OPEN);
Point2D pt3 = arc.getEndPoint();
g2.setStroke(this.minorTickStroke);
g2.setPaint(this.minorTickPaint);
workingLine.setLine(pt0, pt3);
g2.draw(workingLine);
}
}
}
}
/**
* Draws the background for the plot.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the area inside the axes.
*/
public void drawBackground(Graphics2D g2, CategoryPlot plot,
Rectangle2D dataArea) {
float x0 = (float) dataArea.getX();
float x1 = x0 + (float) Math.abs(this.xOffset);
float x3 = (float) dataArea.getMaxX();
float x2 = x3 - (float) Math.abs(this.xOffset);
float y0 = (float) dataArea.getMaxY();
float y1 = y0 - (float) Math.abs(this.yOffset);
float y3 = (float) dataArea.getMinY();
float y2 = y3 + (float) Math.abs(this.yOffset);
GeneralPath clip = new GeneralPath();
clip.moveTo(x0, y0);
clip.lineTo(x0, y2);
clip.lineTo(x1, y3);
clip.lineTo(x3, y3);
clip.lineTo(x3, y1);
clip.lineTo(x2, y0);
clip.closePath();
Composite originalComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
plot.getBackgroundAlpha()));
// fill background...
Paint backgroundPaint = plot.getBackgroundPaint();
if (backgroundPaint != null) {
g2.setPaint(backgroundPaint);
g2.fill(clip);
}
GeneralPath leftWall = new GeneralPath();
leftWall.moveTo(x0, y0);
leftWall.lineTo(x0, y2);
leftWall.lineTo(x1, y3);
leftWall.lineTo(x1, y1);
leftWall.closePath();
g2.setPaint(getWallPaint());
g2.fill(leftWall);
GeneralPath bottomWall = new GeneralPath();
bottomWall.moveTo(x0, y0);
bottomWall.lineTo(x1, y1);
bottomWall.lineTo(x3, y1);
bottomWall.lineTo(x2, y0);
bottomWall.closePath();
g2.setPaint(getWallPaint());
g2.fill(bottomWall);
// higlight the background corners...
g2.setPaint(Color.lightGray);
Line2D corner = new Line2D.Double(x0, y0, x1, y1);
g2.draw(corner);
corner.setLine(x1, y1, x1, y3);
g2.draw(corner);
corner.setLine(x1, y1, x3, y1);
g2.draw(corner);
// draw background image, if there is one...
Image backgroundImage = plot.getBackgroundImage();
if (backgroundImage != null) {
Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX()
+ getXOffset(), dataArea.getY(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
plot.drawBackgroundImage(g2, adjusted);
}
g2.setComposite(originalComposite);
}
/**
* Draws the background for the plot.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the area inside the axes.
*/
@Override
public void drawBackground(Graphics2D g2, CategoryPlot plot,
Rectangle2D dataArea) {
float x0 = (float) dataArea.getX();
float x1 = x0 + (float) Math.abs(this.xOffset);
float x3 = (float) dataArea.getMaxX();
float x2 = x3 - (float) Math.abs(this.xOffset);
float y0 = (float) dataArea.getMaxY();
float y1 = y0 - (float) Math.abs(this.yOffset);
float y3 = (float) dataArea.getMinY();
float y2 = y3 + (float) Math.abs(this.yOffset);
GeneralPath clip = new GeneralPath();
clip.moveTo(x0, y0);
clip.lineTo(x0, y2);
clip.lineTo(x1, y3);
clip.lineTo(x3, y3);
clip.lineTo(x3, y1);
clip.lineTo(x2, y0);
clip.closePath();
Composite originalComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
plot.getBackgroundAlpha()));
// fill background...
Paint backgroundPaint = plot.getBackgroundPaint();
if (backgroundPaint != null) {
g2.setPaint(backgroundPaint);
g2.fill(clip);
}
GeneralPath leftWall = new GeneralPath();
leftWall.moveTo(x0, y0);
leftWall.lineTo(x0, y2);
leftWall.lineTo(x1, y3);
leftWall.lineTo(x1, y1);
leftWall.closePath();
g2.setPaint(getWallPaint());
g2.fill(leftWall);
GeneralPath bottomWall = new GeneralPath();
bottomWall.moveTo(x0, y0);
bottomWall.lineTo(x1, y1);
bottomWall.lineTo(x3, y1);
bottomWall.lineTo(x2, y0);
bottomWall.closePath();
g2.setPaint(getWallPaint());
g2.fill(bottomWall);
// highlight the background corners...
g2.setPaint(Color.lightGray);
Line2D corner = new Line2D.Double(x0, y0, x1, y1);
g2.draw(corner);
corner.setLine(x1, y1, x1, y3);
g2.draw(corner);
corner.setLine(x1, y1, x3, y1);
g2.draw(corner);
// draw background image, if there is one...
Image backgroundImage = plot.getBackgroundImage();
if (backgroundImage != null) {
Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX()
+ getXOffset(), dataArea.getY(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
plot.drawBackgroundImage(g2, adjusted);
}
g2.setComposite(originalComposite);
}
/**
* Draws the background for the plot.
*
* @param g2 the graphics device.
* @param plot the plot.
* @param dataArea the area inside the axes.
*/
public void drawBackground(Graphics2D g2, CategoryPlot plot,
Rectangle2D dataArea) {
float x0 = (float) dataArea.getX();
float x1 = x0 + (float) Math.abs(this.xOffset);
float x3 = (float) dataArea.getMaxX();
float x2 = x3 - (float) Math.abs(this.xOffset);
float y0 = (float) dataArea.getMaxY();
float y1 = y0 - (float) Math.abs(this.yOffset);
float y3 = (float) dataArea.getMinY();
float y2 = y3 + (float) Math.abs(this.yOffset);
GeneralPath clip = new GeneralPath();
clip.moveTo(x0, y0);
clip.lineTo(x0, y2);
clip.lineTo(x1, y3);
clip.lineTo(x3, y3);
clip.lineTo(x3, y1);
clip.lineTo(x2, y0);
clip.closePath();
Composite originalComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
plot.getBackgroundAlpha()));
// fill background...
Paint backgroundPaint = plot.getBackgroundPaint();
if (backgroundPaint != null) {
g2.setPaint(backgroundPaint);
g2.fill(clip);
}
GeneralPath leftWall = new GeneralPath();
leftWall.moveTo(x0, y0);
leftWall.lineTo(x0, y2);
leftWall.lineTo(x1, y3);
leftWall.lineTo(x1, y1);
leftWall.closePath();
g2.setPaint(getWallPaint());
g2.fill(leftWall);
GeneralPath bottomWall = new GeneralPath();
bottomWall.moveTo(x0, y0);
bottomWall.lineTo(x1, y1);
bottomWall.lineTo(x3, y1);
bottomWall.lineTo(x2, y0);
bottomWall.closePath();
g2.setPaint(getWallPaint());
g2.fill(bottomWall);
// highlight the background corners...
g2.setPaint(Color.lightGray);
Line2D corner = new Line2D.Double(x0, y0, x1, y1);
g2.draw(corner);
corner.setLine(x1, y1, x1, y3);
g2.draw(corner);
corner.setLine(x1, y1, x3, y1);
g2.draw(corner);
// draw background image, if there is one...
Image backgroundImage = plot.getBackgroundImage();
if (backgroundImage != null) {
Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX()
+ getXOffset(), dataArea.getY(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
plot.drawBackgroundImage(g2, adjusted);
}
g2.setComposite(originalComposite);
}