public override void Render(Graphics g, MapViewport map)
{
ViewPort viewport;
if (!_maps.TryGetValue(map.ID, out viewport))
{
viewport = new ViewPort();
_maps.Add(map.ID, viewport);
}
_viewPort = viewport;
LastRenderedSize = map.Size;
LastRenderedExtents = map.Envelope;
if (RequiresRedraw || CachedBitmap == null)
{
var bmp = new Bitmap(LastRenderedSize.Value.Width, LastRenderedSize.Value.Height);
using (Graphics g2 = Graphics.FromImage(bmp))
{
_innerLayer.Render(g2, map);
CachedBitmap = bmp;
}
}
RequiresRedraw = false;
g.DrawImageUnscaled(CachedBitmap, 0, 0);
base.Render(g, map);
}
public override void Render(Graphics g, Map map)
{
LastRenderedSize = map.Size;
LastRenderedExtents = map.Envelope;
if (RequiresRedraw || CachedBitmap == null)
{
var bmp = new Bitmap(LastRenderedSize.Value.Width, LastRenderedSize.Value.Height);
using (Graphics g2 = Graphics.FromImage(bmp))
{
_innerLayer.Render(g2, map);
CachedBitmap = bmp;
}
}
RequiresRedraw = false;
g.DrawImageUnscaled(CachedBitmap, 0, 0);
base.Render(g, map);
}