Method DrawSelectedPins

src/openboardview/BoardView.cpp:3142–3152

* TODO * EXPERIMENTAL, draw an area around selected pins */

 * EXPERIMENTAL, draw an area around selected pins
 */
void BoardView::DrawSelectedPins(ImDrawList *draw) {
	std::vector<ImVec2> pl;
	if ((m_pinHighlighted.size()) < 3) return;
	for (auto &p : m_pinHighlighted) {
		pl.push_back(CoordToScreen(p->position.x, p->position.y));
	}
	std::vector<ImVec2> hull = VHConvexHull(pl);
	if (hull.size() > 3) {
		draw->AddConvexPolyFilled(hull.data(), hull.size(), 0x660000ff);
	}
}

void BoardView::DrawBoard() {
	if (!m_file || !m_board) return;