// Consume the circular list of EDGEPTs to make a TESSLINE.
TESSLINE* TESSLINE::BuildFromOutlineList(EDGEPT* outline) {
TESSLINE* result = new TESSLINE;
result->loop = outline;
if (outline->src_outline != NULL) {
// ASSUMPTION: This function is only ever called from ApproximateOutline
// and therefore either all points have a src_outline or all do not.
// Just as SetupFromPos sets the vectors from the vertices, setup the
// step_count members to indicate the (positive) number of original
// C_OUTLINE steps to the next vertex.
EDGEPT* pt = outline;
do {
pt->step_count = pt->next->start_step - pt->start_step;
if (pt->step_count < 0)
pt->step_count += pt->src_outline->pathlength();
pt = pt->next;
} while (pt != outline);
}
result->SetupFromPos();
return result;
}
// Consume the circular list of EDGEPTs to make a TESSLINE.
TESSLINE* TESSLINE::BuildFromOutlineList(EDGEPT* outline) {
TESSLINE* result = new TESSLINE;
result->loop = outline;
result->SetupFromPos();
return result;
}