// _Select
void
PathManipulator::_Select(BRect r)
{
BPoint p;
BPoint pIn;
BPoint pOut;
int32 count = fPath->CountPoints();
Selection temp;
for (int32 i = 0; i < count && fPath->GetPointsAt(i, p, pIn, pOut); i++) {
if (r.Contains(p) || r.Contains(pIn) || r.Contains(pOut)) {
temp.Add(i);
}
}
// merge old and new selection
count = fOldSelection->CountItems();
for (int32 i = 0; i < count; i++) {
int32 index = fOldSelection->IndexAt(i);
if (temp.Contains(index))
temp.Remove(index);
else
temp.Add(index);
}
if (temp != *fSelection) {
*fSelection = temp;
_UpdateSelection();
}
}
// ReversePath
void
PathManipulator::ReversePath()
{
int32 count = fSelection->CountItems();
int32 pointCount = fPath->CountPoints();
if (count > 0) {
Selection temp;
for (int32 i = 0; i < count; i++) {
temp.Add((pointCount - 1) - fSelection->IndexAt(i));
}
*fSelection = temp;
}
fPath->Reverse();
}
// PathReversed
void
PathManipulator::PathReversed()
{
// reverse selection along with path
int32 count = fSelection->CountItems();
int32 pointCount = fPath->CountPoints();
if (count > 0) {
Selection temp;
for (int32 i = 0; i < count; i++) {
temp.Add((pointCount - 1) - fSelection->IndexAt(i));
}
*fSelection = temp;
}
ObjectChanged(fPath);
}
