Method GetLegendHeight

src/smallmap_gui.cpp:716–720

* Compute height given a number of columns. * @param num_columns Number of columns. * @return Needed height for displaying the smallmap legends in pixels. */

	 * @return Needed height for displaying the smallmap legends in pixels.
	 */
	inline uint GetLegendHeight(uint num_columns) const
	{
		return WidgetDimensions::scaled.framerect.Vertical() +
				this->GetNumberRowsLegend(num_columns) * GetCharacterHeight(FS_SMALL);
	}

	/**
	 * Get a bitmask for company links to be displayed. Usually this will be