void
VectorPath::CleanUp()
{
if (fPointCount == 0)
return;
bool notify = false;
// remove last point if it is coincident with the first
if (fClosed && fPointCount >= 1) {
if (fPath[0].point == fPath[fPointCount - 1].point) {
fPath[0].point_in = fPath[fPointCount - 1].point_in;
_SetPointCount(fPointCount - 1);
notify = true;
}
}
for (int32 i = 0; i < fPointCount; i++) {
// check for unnecessary, duplicate points
if (i > 0) {
if (fPath[i - 1].point == fPath[i].point
&& fPath[i - 1].point == fPath[i - 1].point_out
&& fPath[i].point == fPath[i].point_in) {
// the previous point can be removed
BPoint in = fPath[i - 1].point_in;
if (RemovePoint(i - 1)) {
i--;
fPath[i].point_in = in;
notify = true;
}
}
}
// re-establish connections of in-out control points if
// they line up with the main control point
if (fPath[i].point_in == fPath[i].point_out
|| fPath[i].point == fPath[i].point_out
|| fPath[i].point == fPath[i].point_in
|| (fabs(agg::calc_line_point_distance(fPath[i].point_in.x,
fPath[i].point_in.y, fPath[i].point.x, fPath[i].point.y,
fPath[i].point_out.x, fPath[i].point_out.y)) < 0.01
&& fabs(agg::calc_line_point_distance(fPath[i].point_out.x,
fPath[i].point_out.y, fPath[i].point.x, fPath[i].point.y,
fPath[i].point_in.x, fPath[i].point_in.y)) < 0.01)) {
fPath[i].connected = true;
notify = true;
}
}
if (notify)
_NotifyPathChanged();
}
void
VectorPath::ApplyTransform(const Transformable& transform)
{
if (transform.IsIdentity())
return;
for (int32 i = 0; i < fPointCount; i++) {
transform.Transform(&(fPath[i].point));
transform.Transform(&(fPath[i].point_out));
transform.Transform(&(fPath[i].point_in));
}
_NotifyPathChanged();
}
