Function ExpandRectWithViewportSignMargins

src/viewport.cpp:1351–1364

}

static Rect ExpandRectWithViewportSignMargins(Rect r, ZoomLevel zoom)
{
	const int fh = std::max(GetCharacterHeight(FS_NORMAL), GetCharacterHeight(FS_SMALL));
	const int max_tw = _viewport_sign_maxwidth / 2 + 1;
	const int expand_y = ScaleByZoom(WidgetDimensions::scaled.fullbevel.top + fh + WidgetDimensions::scaled.fullbevel.bottom, zoom);
	const int expand_x = ScaleByZoom(WidgetDimensions::scaled.fullbevel.left + max_tw + WidgetDimensions::scaled.fullbevel.right, zoom);

	r.left -= expand_x;
	r.right += expand_x;
	r.top -= expand_y;
	r.bottom += expand_y;

	return r;
}

/**
 * Add town strings to a viewport.