下面列出了java.awt.geom.CubicCurve2D#setCurve ( ) 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。
public Shape getRegiaoDocumento() {
if (Regiao == null) {
final int v1 = getHeight() / 3;
final int h1 = getWidth() / 2;
final int repo = v1 / 3;
final int L = getLeft();
final int T = getTop();
final int TH = T + getHeight() - repo;
final int LW = L + getWidth();
CubicCurve2D c = new CubicCurve2D.Double();
c.setCurve(L, TH, L + h1, TH + v1, LW - h1, TH - v1, LW, TH);
GeneralPath pa = new GeneralPath();
pa.moveTo(LW, TH);
pa.lineTo(LW, T);
pa.lineTo(L, T);
pa.lineTo(L, TH);
pa.append(c, true);
Regiao = pa;
final int ptToMove = 3;
this.reposicionePonto[ptToMove] = new Point(0, -repo);
ptsToMove[ptToMove] = 1;
}
return Regiao;
}
@Override
public Shape getRegiao() {
if (Regiao == null) {
final int v1 = getHeight() / 3;
final int h1 = getWidth() / 2;
final int repo = v1 / 3;
final int L = getLeft();
final int T = getTop();
final int TH = T + getHeight() - repo;
final int LW = L + getWidth();
CubicCurve2D c = new CubicCurve2D.Double();
c.setCurve(L, TH, L + h1, TH + v1, LW - h1, TH - v1, LW, TH);
GeneralPath pa = new GeneralPath();
pa.moveTo(LW, TH);
pa.lineTo(LW, T);
pa.lineTo(L, T);
pa.lineTo(L, TH);
pa.append(c, true);
Regiao = pa;
setReposicionePontoAbaixo(new Point(0, -repo));
ptsToMove[ptToMove] = 1;
}
return Regiao;
}
public void runTest(Object ctx, int numReps) {
FillCubics.Context cctx = (FillCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.fill(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
private CubicCurve2D getPartialCurve(double tStart, double tEnd) {
CubicCurve2D fullCurve = new CubicCurve2D.Double();
fullCurve.setCurve(connectionInfo.getFirstCenter(), cp1.getPosition(), cp2.getPosition(), connectionInfo.getSecondCenter());
CurveSplitResult firstSplit = Geometry.splitCubicCurve(fullCurve, tStart);
double t = (tEnd - tStart) / (1 - tStart);
return Geometry.splitCubicCurve(firstSplit.curve2, t).curve1;
}
public void runTest(Object ctx, int numReps) {
DrawCubics.Context cctx = (DrawCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.draw(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
protected void paintEdges(Graphics g, Tree parent) {
if (!getTree().isLeaf(parent)) {
BasicStroke stroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,
BasicStroke.JOIN_ROUND);
((Graphics2D)g).setStroke(stroke);
Rectangle2D.Double parentBounds = getBoundsOfNode(parent);
double x1 = parentBounds.getCenterX();
double y1 = parentBounds.getMaxY();
for (Tree child : getTree().getChildren(parent)) {
Rectangle2D.Double childBounds = getBoundsOfNode(child);
double x2 = childBounds.getCenterX();
double y2 = childBounds.getMinY();
if (getUseCurvedEdges()) {
CubicCurve2D c = new CubicCurve2D.Double();
double ctrlx1 = x1;
double ctrly1 = (y1+y2)/2;
double ctrlx2 = x2;
double ctrly2 = y1;
c.setCurve(x1, y1, ctrlx1, ctrly1, ctrlx2, ctrly2, x2, y2);
((Graphics2D) g).draw(c);
} else {
g.drawLine((int) x1, (int) y1,
(int) x2, (int) y2);
}
paintEdges(g, child);
}
}
}
public void runTest(Object ctx, int numReps) {
FillCubics.Context cctx = (FillCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.fill(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
public void runTest(Object ctx, int numReps) {
DrawCubics.Context cctx = (DrawCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.draw(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
public void runTest(Object ctx, int numReps) {
FillCubics.Context cctx = (FillCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.fill(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
public void runTest(Object ctx, int numReps) {
FillCubics.Context cctx = (FillCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.fill(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
public void runTest(Object ctx, int numReps) {
FillCubics.Context cctx = (FillCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.fill(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
public void runTest(Object ctx, int numReps) {
DrawCubics.Context cctx = (DrawCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.draw(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
public void runTest(Object ctx, int numReps) {
DrawCubics.Context cctx = (DrawCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.draw(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
public void runTest(Object ctx, int numReps) {
FillCubics.Context cctx = (FillCubics.Context) ctx;
int size = cctx.size;
// Note: 2x2 ends up hitting exactly 1 pixel...
if (size < 2) size = 2;
int x = cctx.initX;
int y = cctx.initY;
int cpoffset = (int) (size/relYmax/2);
CubicCurve2D curve = cctx.curve;
Graphics2D g2d = (Graphics2D) cctx.graphics;
g2d.translate(cctx.orgX, cctx.orgY);
Color rCArray[] = cctx.colorlist;
int ci = cctx.colorindex;
do {
curve.setCurve(x, y+size/2.0,
x+size/2.0, y+size/2.0-cpoffset,
x+size/2.0, y+size/2.0+cpoffset,
x+size, y+size/2.0);
if (rCArray != null) {
g2d.setColor(rCArray[ci++ & NUM_RANDOMCOLORMASK]);
}
g2d.fill(curve);
if ((x -= 3) < 0) x += cctx.maxX;
if ((y -= 1) < 0) y += cctx.maxY;
} while (--numReps > 0);
cctx.colorindex = ci;
g2d.translate(-cctx.orgX, -cctx.orgY);
}
/**
* 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 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 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 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);
}