/**
* Returns a device independent representation of the receiver.
*
* @return the PathData for the receiver
* @exception SWTException
* <ul>
* <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
* </ul>
*
* @see PathData
*/
public PathData getPathData() {
if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
int count = handle.elementCount();
int pointCount = 0, typeCount = 0;
byte[] types = new byte[count];
float[] pointArray = new float[count * 6];
int points = OS.malloc(3 * NSPoint.sizeof);
if (points == 0) SWT.error(SWT.ERROR_NO_HANDLES);
NSPoint pt = new NSPoint();
for (int i = 0; i < count; i++) {
int element = handle.elementAtIndex_associatedPoints_(i, points);
switch (element) {
case OS.NSMoveToBezierPathElement:
types[typeCount++] = SWT.PATH_MOVE_TO;
OS.memmove(pt, points, NSPoint.sizeof);
pointArray[pointCount++] = (int) pt.x;
pointArray[pointCount++] = (int) pt.y;
break;
case OS.NSLineToBezierPathElement:
types[typeCount++] = SWT.PATH_LINE_TO;
OS.memmove(pt, points, NSPoint.sizeof);
pointArray[pointCount++] = (int) pt.x;
pointArray[pointCount++] = (int) pt.y;
break;
case OS.NSCurveToBezierPathElement:
types[typeCount++] = SWT.PATH_CUBIC_TO;
OS.memmove(pt, points, NSPoint.sizeof);
pointArray[pointCount++] = (int) pt.x;
pointArray[pointCount++] = (int) pt.y;
OS.memmove(pt, points + NSPoint.sizeof, NSPoint.sizeof);
pointArray[pointCount++] = (int) pt.x;
pointArray[pointCount++] = (int) pt.y;
OS.memmove(pt, points + NSPoint.sizeof + NSPoint.sizeof, NSPoint.sizeof);
pointArray[pointCount++] = (int) pt.x;
pointArray[pointCount++] = (int) pt.y;
break;
case OS.NSClosePathBezierPathElement:
types[typeCount++] = SWT.PATH_CLOSE;
break;
}
}
OS.free(points);
if (pointCount != pointArray.length) {
float[] temp = new float[pointCount];
System.arraycopy(pointArray, 0, temp, 0, pointCount);
pointArray = temp;
}
PathData data = new PathData();
data.types = types;
data.points = pointArray;
return data;
}
