/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#fillPloygon(double[][])
*/
public void fillPolygon(float alpha, double[]... pC) {
int[][] c = new int[pC.length][2];
for (int i = 0; i < pC.length; i++) {
c[i] = projection.screenProjection(pC[i]);
}
int minx = c[0][0], miny = c[0][1], maxx = c[0][0] + 1, maxy = c[0][1] + 1;
int[] x = new int[c.length];
for (int i = 0; i < c.length; i++) {
x[i] = c[i][0];
minx = FastMath.min(minx, x[i]);
maxx = FastMath.max(maxx, x[i]);
}
int[] y = new int[c.length];
for (int i = 0; i < c.length; i++) {
y[i] = c[i][1];
miny = FastMath.min(miny, y[i]);
maxy = FastMath.max(maxy, y[i]);
}
if (comp2D.hitClip(minx, miny, maxx - minx, maxy - miny)) {
Composite cs = comp2D.getComposite();
comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
comp2D.fillPolygon(x, y, c.length);
comp2D.setComposite(cs);
}
}
public void drawImage(Image img, float alpha, double[] _xyzSW, double[] _xyzSE, double[] _xyzNW) {
Composite cs = comp2D.getComposite();
comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
AffineTransform t =
getAffineTransform(img.getWidth(canvas), img.getHeight(canvas), _xyzSW, _xyzSE, _xyzNW);
if (t != null) {
comp2D.drawImage(img, t, canvas);
}
comp2D.setComposite(cs);
}
public void drawShadowedText(String label, float alpha, double... pC) {
int[] sC = projection.screenProjection(pC);
// Corner offset adjustment : Text Offset is used Here
FontRenderContext frc = comp2D.getFontRenderContext();
Font font1 = comp2D.getFont();
int x = sC[0];
int y = sC[1];
double w = font1.getStringBounds(label, frc).getWidth();
double h = font1.getSize2D();
x -= (int) (w * text_Eastoffset);
y += (int) (h * text_Northoffset);
int wc = (int) (w * FastMath.cos(text_angle) + h * FastMath.sin(text_angle));
int hc = (int) (h * FastMath.cos(text_angle) + w * FastMath.sin(text_angle));
if (!comp2D.hitClip(x, y, wc, hc)) {
return;
}
if (text_angle != 0) {
comp2D.rotate(text_angle, x + w / 2, y - h / 2);
}
Composite cs = comp2D.getComposite();
Color c = comp2D.getColor();
String[] lines = label.split("\n");
for (int i = 0; i < lines.length; i++) {
comp2D.setColor(Color.white);
comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
comp2D.fillRect(x, y - (int) h, (int) w, (int) h);
comp2D.setComposite(cs);
comp2D.setColor(c);
comp2D.drawString(lines[i], x, y);
y += h;
}
if (text_angle != 0) {
comp2D.rotate(-text_angle, x + w / 2, y - h / 2);
}
}