/// <summary>Paint the base layer of the display, graphics that changes rarely between refreshes.</summary>
/// <param name="this">Type: MapDisplay{THex} - The map to be painted.</param>
/// <param name="graphics">Type: Graphics - Object representing the canvas being painted.</param>
/// <remarks>For each visible hex: perform <c>paintAction</c> and then draw its hexgrid outline.</remarks>
public static void PaintMap <THex>(this MapDisplay <THex> @this, Graphics graphics
) where THex : MapGridHex
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
var container = graphics.BeginContainer(); // Set all transformations relative to current origin!
var clipHexes = @this.GetClipInHexes(graphics.VisibleClipBounds);
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
var font = SystemFonts.MenuFont;
var brush = Brushes.Black;
var textOffset = new Point((@this.GridSize.Scale(0.50F)
- new SizeF(font.Size, font.Size).Scale(0.8F)).ToSize());
@this.PaintForEachHex(graphics, clipHexes, coords => {
@this[coords].Paint(graphics);
if (@this.ShowHexgrid)
{
graphics.DrawPath(Pens.Black, @this.HexgridPath);
}
if (@this.LandmarkToShow > 0)
{
graphics.DrawString(@this.LandmarkDistance(coords, @this.LandmarkToShow - 1), font, brush, textOffset);
}
});
graphics.EndContainer(container);
}
