下面列出了java.awt.geom.CubicCurve2D#Float ( ) 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。
private void paintMatcher(Graphics2D g, Color fillClr,
int leftX, int rightX, int upL, int upR, int doR, int doL) {
int topY = Math.min(upL, upR), bottomY = Math.max(doL, doR);
// try rendering only curves in viewable area
if (!g.hitClip(leftX, topY, rightX - leftX, bottomY - topY)) {
return;
}
CubicCurve2D upper = new CubicCurve2D.Float(leftX, upL,
(rightX -leftX)*.3f, upL,
(rightX -leftX)*.7f, upR,
rightX, upR);
CubicCurve2D bottom = new CubicCurve2D.Float(rightX, doR,
(rightX - leftX)*.7f, doR,
(rightX -leftX)*.3f, doL,
leftX, doL);
GeneralPath path = new GeneralPath();
path.append(upper, false);
path.append(bottom, true);
path.closePath();
g.setColor(fillClr);
g.fill(path);
g.setColor(master.getColorLines());
g.draw(upper);
g.draw(bottom);
}
/**
* Draws a cubic curve with the current settings.<br>
* <code>xPoints</code> and <code>yPoints</code> must contain at least 4 points!
* @param xPoints x coordinates of the points of the curve
* @param yPoints y coordinates of the points of the curve
* @param startIndex start index to draw segments from
* @param endIndex end index to draw segments up to
*/
public void drawCubicCurve2D( final int[] xPoints, final int[] yPoints, final int startIndex, final int endIndex ) {
if ( xPoints.length < 2 )
return;
final CubicCurve2D.Float cubicCurve = new CubicCurve2D.Float();
this.xPoints = xPoints;
this.yPoints = yPoints;
Point2D.Float p = new Point2D.Float(), p1 = new Point2D.Float(), p2 = new Point2D.Float(), p3 = new Point2D.Float(), pTemp;
final float s = 0.25f;
getCP( startIndex, p ); getCP( startIndex+1, p1 ); getCP( startIndex+2, p2 );
for ( int j = startIndex; j < endIndex; j++ ) {
getCP( j+3, p3 );
if ( yPoints[ j ] < 0 || yPoints[ j+1 ] < 0 )
g2.setStroke( STROKE_DASHED_DOUBLE );
cubicCurve.setCurve(
p1.x, p1.y,
-s*p.x + p1.x + s*p2.x, -s*p.y + p1.y + s*p2.y,
s*p1.x + p2.x - s*p3.x, s*p1.y + p2.y - s*p3.y,
p2.x, p2.y );
g2.draw( cubicCurve );
if ( yPoints[ j ] < 0 || yPoints[ j+1 ] < 0 )
g2.setStroke( STROKE_DOUBLE_WIDTH );
pTemp = p; p = p1; p1 = p2; p2 = p3; p3 = pTemp;
}
}
public static Shape shapeFromSvgRelativeBezierPath(String pathString, float scalingFactor) {
String[] points = pathString.split(" ");
float x1, y1, x2, y2, cx1, cy1, cx2, cy2;
x2 = y2 = 0;
float s = scalingFactor;
Path2D.Float path = new Path2D.Float();
for (int i = 0; i < points.length / 3; ++i) {
String c1String = points[i * 3 + 0];
String c2String = points[i * 3 + 1];
String targetString = points[i * 3 + 2];
String[] c1Split = c1String.split(",");
String[] c2Split = c2String.split(",");
String[] targetSplit = targetString.split(",");
x1 = x2;
y1 = y2;
x2 = s * Float.parseFloat(targetSplit[0]) + x1;
y2 = s * Float.parseFloat(targetSplit[1]) + y1;
cx1 = s * Float.parseFloat(c1Split[0]) + x1;
cy1 = s * Float.parseFloat(c1Split[1]) + y1;
cx2 = s * Float.parseFloat(c2Split[0]) + x1;
cy2 = s * Float.parseFloat(c2Split[1]) + y1;
CubicCurve2D.Float curve = new CubicCurve2D.Float(x1, y1, cx1, cy1, cx2, cy2, x2, y2);
path.append(curve, true);
}
return path;
}
/**
* Draw the given shape on the given OpenGL object.
*
* @param gl
* @param s
*/
private static void drawShape(GL2 gl, Shape s) {
PathIterator it = s.getPathIterator(new AffineTransform(), shapeFlatness);
float[] lastMoveTo = new float[6];
float[] f = new float[6];
while (!it.isDone()) {
int res = it.currentSegment(f);
switch (res) {
case PathIterator.SEG_CLOSE:
GLPanel.V(gl, lastMoveTo[0], lastMoveTo[1]);
break;
case PathIterator.SEG_MOVETO:
GLPanel.V(gl, f[0], f[1]);
System.arraycopy(f, 0, lastMoveTo, 0, 6);
break;
case PathIterator.SEG_LINETO:
GLPanel.V(gl, f[0], f[1]);
break;
case PathIterator.SEG_CUBICTO:
CubicCurve2D c = new CubicCurve2D.Float(lastMoveTo[0], lastMoveTo[1],
f[0], f[1], f[2], f[3], f[4], f[5]);
drawShape(gl, c);
break;
default:
throw new Error("Error while drawing AWT shape. "
+ "Path iterator setment not handled:" + res);
}
it.next();
}
}
/**
* Attempts to replace an arbitrary shape by one of the standard Java2D constructs.
* For example if the given {@code path} is a {@link Path2D} containing only a single
* line or a quadratic curve, then this method replaces it by a {@link Line2D} or
* {@link QuadCurve2D} object respectively.
*
* @param path the shape to replace by a simpler Java2D construct.
* This is generally an instance of {@link Path2D}, but not necessarily.
* @return a simpler Java construct, or {@code path} if no better construct is proposed.
*/
public static Shape toPrimitive(final Shape path) {
final PathIterator it = path.getPathIterator(null);
if (!it.isDone()) {
final double[] buffer = new double[6];
if (it.currentSegment(buffer) == PathIterator.SEG_MOVETO) {
it.next();
if (!it.isDone()) {
final double x1 = buffer[0];
final double y1 = buffer[1];
final int code = it.currentSegment(buffer);
it.next();
if (it.isDone()) {
if (isFloat(path)) {
switch (code) {
case PathIterator.SEG_LINETO: return new Line2D.Float((float) x1, (float) y1, (float) buffer[0], (float) buffer[1]);
case PathIterator.SEG_QUADTO: return new QuadCurve2D.Float((float) x1, (float) y1, (float) buffer[0], (float) buffer[1], (float) buffer[2], (float) buffer[3]);
case PathIterator.SEG_CUBICTO: return new CubicCurve2D.Float((float) x1, (float) y1, (float) buffer[0], (float) buffer[1], (float) buffer[2], (float) buffer[3], (float) buffer[4], (float) buffer[5]);
}
} else {
switch (code) {
case PathIterator.SEG_LINETO: return new Line2D.Double(x1,y1, buffer[0], buffer[1]);
case PathIterator.SEG_QUADTO: return new QuadCurve2D.Double(x1,y1, buffer[0], buffer[1], buffer[2], buffer[3]);
case PathIterator.SEG_CUBICTO: return new CubicCurve2D.Double(x1,y1, buffer[0], buffer[1], buffer[2], buffer[3], buffer[4], buffer[5]);
}
}
}
}
}
}
return path;
}
/**
* Draws a section label on the left side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawLeftLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMinX();
double targetX = anchorX - record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.RIGHT);
}
/**
* Draws a section label on the right side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawRightLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMaxX();
double targetX = anchorX + record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.LEFT);
}
/**
* Draws a section label on the left side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawLeftLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMinX();
double targetX = anchorX - record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.RIGHT);
}
/**
* Draws a section label on the right side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawRightLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMaxX();
double targetX = anchorX + record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.LEFT);
}
/**
* Draws a section label on the left side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawLeftLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMinX();
double targetX = anchorX - record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.RIGHT);
}
/**
* Draws a section label on the left side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawLeftLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMinX();
double targetX = anchorX - record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.RIGHT);
}
/**
* Draws a section label on the right side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawRightLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMaxX();
double targetX = anchorX + record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.LEFT);
}
/**
* Draws a section label on the left side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawLeftLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMinX();
double targetX = anchorX - record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.RIGHT);
}
/**
* Draws a section label on the right side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawRightLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMaxX();
double targetX = anchorX + record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.LEFT);
}
/**
* Draws a section label on the left side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawLeftLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMinX();
double targetX = anchorX - record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.RIGHT);
}
/**
* Draws a section label on the right side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawRightLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMaxX();
double targetX = anchorX + record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.LEFT);
}
/**
* Draws a section label on the left side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawLeftLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMinX();
double targetX = anchorX - record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.RIGHT);
}
/**
* Draws a section label on the right side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawRightLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMaxX();
double targetX = anchorX + record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.LEFT);
}
/**
* Draws a section label on the left side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawLeftLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMinX();
double targetX = anchorX - record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.RIGHT);
}
/**
* Draws a section label on the right side of the pie chart.
*
* @param g2 the graphics device.
* @param state the state.
* @param record the label record.
*/
protected void drawRightLabel(Graphics2D g2, PiePlotState state,
PieLabelRecord record) {
double anchorX = state.getLinkArea().getMaxX();
double targetX = anchorX + record.getGap();
double targetY = record.getAllocatedY();
if (this.labelLinksVisible) {
double theta = record.getAngle();
double linkX = state.getPieCenterX() + Math.cos(theta)
* state.getPieWRadius() * record.getLinkPercent();
double linkY = state.getPieCenterY() - Math.sin(theta)
* state.getPieHRadius() * record.getLinkPercent();
double elbowX = state.getPieCenterX() + Math.cos(theta)
* state.getLinkArea().getWidth() / 2.0;
double elbowY = state.getPieCenterY() - Math.sin(theta)
* state.getLinkArea().getHeight() / 2.0;
double anchorY = elbowY;
g2.setPaint(this.labelLinkPaint);
g2.setStroke(this.labelLinkStroke);
PieLabelLinkStyle style = getLabelLinkStyle();
if (style.equals(PieLabelLinkStyle.STANDARD)) {
g2.draw(new Line2D.Double(linkX, linkY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, elbowX, elbowY));
g2.draw(new Line2D.Double(anchorX, anchorY, targetX, targetY));
}
else if (style.equals(PieLabelLinkStyle.QUAD_CURVE)) {
QuadCurve2D q = new QuadCurve2D.Float();
q.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY);
g2.draw(q);
g2.draw(new Line2D.Double(elbowX, elbowY, linkX, linkY));
}
else if (style.equals(PieLabelLinkStyle.CUBIC_CURVE)) {
CubicCurve2D c = new CubicCurve2D .Float();
c.setCurve(targetX, targetY, anchorX, anchorY, elbowX, elbowY,
linkX, linkY);
g2.draw(c);
}
}
TextBox tb = record.getLabel();
tb.draw(g2, (float) targetX, (float) targetY, RectangleAnchor.LEFT);
}