/**
* Convert an AWT Shape to an SWT Path.
*
* @param shape
* @return the SWT Path or <code>null</code> if <code>shape == null</code>
*/
private Path convertToPath(Shape shape) {
if (shape == null) {
return null;
}
Path path = new Path(_gc.getDevice());
PathIterator iter = shape.getPathIterator(null);
float[] coords = new float[6];
while (!iter.isDone()) {
int op = iter.currentSegment(coords);
switch (op) {
case PathIterator.SEG_MOVETO:
path.moveTo(coords[0], coords[1]);
break;
case PathIterator.SEG_LINETO:
path.lineTo(coords[0], coords[1]);
break;
case PathIterator.SEG_QUADTO:
path.quadTo(coords[0], coords[1], coords[2], coords[3]);
break;
case PathIterator.SEG_CUBICTO:
path.cubicTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]);
break;
case PathIterator.SEG_CLOSE:
path.close();
break;
}
iter.next();
}
return path;
}
public void setClip(Shape s) {
Path path = convertToPath(s);
if (path == null) {
_gc.setClipping((Rectangle) null);
} else {
_gc.setClipping(path);
}
if (_clippingPath != null) {
_clippingPath.dispose();
}
_clippingPath = path;
_clippingArea = (s == null ? null : new Area(s));
}
/** Clean used resources. */
public void clean() {
if (_clippingPath != null) {
_gc.setClipping((Rectangle) null);
_clippingPath.dispose();
_clippingPath = null;
_clippingArea = null;
}
if (_color != null) {
_color.dispose();
_color = null;
}
if (_transform != null) {
_gc.setTransform(null);
_transform.dispose();
}
}
public void fill(Shape s) {
Path p = convertToPath(s);
_gc.fillPath(p);
p.dispose();
}