private void renderInner(Graphics2D g, int width2, int height2, double[] spaces) {
double startAngle = 0D;
DataModel1D model1 = (DataModel1D) this.getDataModel();
int stop = model1.getSize();
g.setColor(this.innerColor);
// g.setColor(Color.BLACK);
double ratio = 360 / this.getTotalValue().doubleValue();
int posX = (getCenterX() - this.innerWidth / 2);
int posY = (getCenterY() - this.innerHeight / 2); //
// g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
// RenderingHints.VALUE_ANTIALIAS_OFF);
for (int i = 0; i < stop; i++) {
Number n = model1.getValueAt(i);
if (n == null) {
continue;
}
int angle = (int) Math.round(n.doubleValue() * ratio);
double moveAngle = startAngle - angle / 2D;
double angleRadian = ((moveAngle) * Math.PI * 2) / 360;
double current_space = spaces[i];
int x = posX + (int) ((Math.cos(angleRadian)) * current_space);
int y = posY + (int) ((-Math.sin(angleRadian)) * current_space);
// g.fillArc(x, y, width2 * 2, height2 * 2, (int)
// Math.round(startAngle), -angle);
g.fillArc(
x, y, this.innerWidth, this.innerHeight, (int) Math.round(startAngle) + 50, -angle - 100);
startAngle -= angle;
}
}
protected void computeColorsAndSpaces() {
double space = 0;
DataModel1D model1 = (DataModel1D) this.getDataModel();
int stop = model1.getSize();
colors = new Color[stop];
spaces = new double[stop];
Color origine = this.getColor(0);
double mR = origine.getRed();
double mV = origine.getGreen();
double mB = origine.getBlue();
double dR = (255D - origine.getRed()) / stop;
double dV = (255D - origine.getGreen()) / stop;
double dB = (255D - origine.getBlue()) / stop;
for (int i = 0; i < stop; i++) {
colors[i] = new Color((int) mR, (int) mV, (int) mB);
mR += dR;
mV += dV;
mB += dB;
spaces[i] = space;
}
// Apply user colors
for (int i = 0; i < stop; i++) {
if (i < labels.size()) {
final Label label = labels.get(i);
final Color color = colorMap.get(label);
if (color != null) {
colors[i] = color;
}
}
}
}
protected Number getTotalValue() {
DataModel1D model1 = (DataModel1D) this.getDataModel();
double total = 0D;
for (int i = 0; i < model1.getSize(); i++) {
Number n = model1.getValueAt(i);
if (n != null) total += n.doubleValue();
}
return total;
}
public void renderPlot(Graphics2D g) {
g.setColor(Color.RED);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
int xCenter = getCenterX();
int yCenter = getCenterY();
// g.drawRect(0, 0, xCenter, yCenter);
// g.drawRect(0, 0, this.getDimension().width,
// this.getDimension().height);
DataModel1D model1 = (DataModel1D) this.getDataModel();
double total = getTotalValue().doubleValue();
int stop = model1.getSize();
computeColorsAndSpaces();
// spaces[0] = 10;
int maxSpace = (int) spaces[0];
int height2 = Math.min(xCenter, yCenter) - maxSpace - this.getMaxLabelHeight(g) / 2 - 2;
int width2 = height2; // Math.min(xCenter, yCenter) - maxSpace;
int posX = (getCenterX() - width2);
int posY = (getCenterY() - width2);
double ratio = 360 / total;
double startAngle = 0D;
for (int i = 0; i < stop; i++) {
Number n = model1.getValueAt(i);
if (n == null) {
continue;
}
int angle = (int) Math.round(n.doubleValue() * ratio);
double moveAngle = startAngle - angle / 2D;
double angleRadian = ((moveAngle) * Math.PI * 2) / 360;
double current_space = spaces[i];
int x = posX + width2 / 2 + (int) ((Math.cos(angleRadian)) * current_space);
int y = posY + height2 / 2 + (int) ((-Math.sin(angleRadian)) * current_space);
g.setColor(colors[i]);
g.setStroke(
new BasicStroke(
width2 - this.innerWidth,
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_MITER,
12.0f,
null,
10.0f));
g.drawArc(x, y, width2, height2, (int) Math.round(startAngle), -angle);
g.setStroke(new BasicStroke());
if (i < labels.size()) {
final String label = labels.get(i).getLabel();
int x1 =
width2 + posX + (int) Math.round((Math.cos(angleRadian)) * (width2 + current_space));
int y1 =
height2 + posY + (int) Math.round((-Math.sin(angleRadian)) * (height2 + current_space));
int x2 =
width2
+ posX
+ (int) Math.round((Math.cos(angleRadian)) * (width2 + current_space + 3));
int y2 =
height2
+ posY
+ (int) Math.round((-Math.sin(angleRadian)) * (height2 + current_space + 3));
g.setColor(Color.GRAY);
g.drawLine(x1, y1, x2, y2);
int x3;
int xLabel;
int y4 = y2 + g.getFontMetrics().getAscent() / 2 - 2;
if (x1 > xCenter) {
// Label a droite
x3 = x2 + 2 + (this.getChartRectangle().width - x1) / 2;
xLabel = x3 + 2;
if (x3 + getLabelWidth(g, label) > this.getChartRectangle().getWidth()) {
// Pas assez de place, besoin de decaler à gauche le label de droite
x3 = (int) this.getChartRectangle().getWidth() - getLabelWidth(g, label) - 4;
xLabel = x3 + 4;
}
} else {
// Label à gauche
x3 = x2;
x2 = (xCenter - width2) / 2;
xLabel = x2 - this.getMaxLabelWidth(g) - 2;
if (xLabel < 0) {
xLabel = 0;
x2 = getLabelWidth(g, label);
}
}
// ligne horizontale partant de la gauche vers la droite
if (x2 < x3) {
g.drawLine(x2, y2, x3, y2);
}
// if (xLabel < 0) {
// xLabel = 0;
// }
g.drawString(label, xLabel, y4);
}
startAngle -= angle;
}
if (this.getSeparatorColor() != null) {
startAngle = 0D;
g.setStroke(new BasicStroke(2f));
g.setColor(this.getSeparatorColor());
// g.setColor(Color.RED);
for (int i = 0; i < stop; i++) {
Number n = model1.getValueAt(i);
if (n == null) {
continue;
}
int angle = (int) Math.round(n.doubleValue() * ratio);
double angleRadian = ((startAngle) * Math.PI * 2) / 360;
double current_space = spaces[i];
// int x1 = posX + width2 + (int)
// Math.round((Math.cos(angleRadian)) * (current_space+1);
// int y1 = posY + height2 + (int)
// Math.round((-Math.sin(angleRadian)) * (current_space+1);
int x2 = posX + width2 + (int) ((Math.cos(angleRadian)) * (width2 + current_space + 2));
int y2 = posY + height2 + (int) ((-Math.sin(angleRadian)) * (height2 + current_space + 2));
g.drawLine(xCenter, yCenter, x2, y2);
startAngle -= angle;
}
}
// renderInner(g, width2, height2, spaces);
}
public void setData(List<Number> data) {
DataModel1D m = new DataModel1D();
m.addAll(data);
setDataModel(m);
}
