Method DrawLinks

src/linkgraph/linkgraph_gui.cpp:276–289

* Draw the cached links or part of them into the given area. * @param dpi Area to be drawn to. */

 * @param dpi Area to be drawn to.
 */
void LinkGraphOverlay::DrawLinks(const DrawPixelInfo *dpi) const
{
	int width = ScaleGUITrad(this->scale);
	for (const auto &i : this->cached_links) {
		if (!Station::IsValidID(i.first)) continue;
		Point pta = this->GetStationMiddle(Station::Get(i.first));
		for (const auto &j : i.second) {
			if (!Station::IsValidID(j.first)) continue;
			Point ptb = this->GetStationMiddle(Station::Get(j.first));
			if (!this->IsLinkVisible(pta, ptb, dpi, width + 2)) continue;
			this->DrawContent(pta, ptb, j.second);
		}
	}
}

/**
 * Draw one specific link.