private MemoryStream GetImageStream(GeoCanvas canvas, Collection <SimpleCandidate> labelsInAllLayers, RectangleShape adjustedWorldExtent, RectangleShape boundingBox)
{
using (Bitmap bitmap = new Bitmap((int)boundingBox.Width, (int)boundingBox.Height))
{
MemoryStream ms = new MemoryStream();
PlatformGeoCanvas gdiPlusGeoCanvas = new PlatformGeoCanvas();
gdiPlusGeoCanvas.DrawingQuality = DrawingQuality.HighQuality;
gdiPlusGeoCanvas.BeginDrawing(bitmap, adjustedWorldExtent, MapUnit);
foreach (Layer layer in Layers)
{
gdiPlusGeoCanvas.Flush();
layer.SafeProcess(() =>
{
layer.Draw(gdiPlusGeoCanvas, labelsInAllLayers);
});
}
gdiPlusGeoCanvas.EndDrawing();
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
return(ms);
}
}
