private void PublishTheaterMapForClients()
{
float mapWidthInFeet = float.NaN;
_theaterMapRetriever.GetTheaterMapImage(ref mapWidthInFeet);
}
public bool RenderMap(Graphics g, Rectangle renderRectangle, float mapZoom, float mapCoordinateFeetEast, float mapCoordinateFeetNorth, float magneticHeadingInDecimalDegrees,
int outerMapRingRadiusInNauticalMiles, MapRotationMode rotationMode)
{
_theaterMap = _theaterMap ?? _theaterMapRetriever.GetTheaterMapImage(ref _mapWidthInFeet);
if (_theaterMap == null)
{
return(false);
}
var mapImageFeetPerPixel = _mapWidthInFeet / (float)_theaterMap.Width;
var outerMapRingRadiusPixels = (outerMapRingRadiusInNauticalMiles * Common.Math.Constants.FEET_PER_NM) / mapImageFeetPerPixel;
var zoom = 1 / (mapZoom / 50000.0f);
var xOffset = (-(mapCoordinateFeetEast / mapImageFeetPerPixel) + (((float)_theaterMap.Width / 2.0f)));
var yOffset = (((mapCoordinateFeetNorth / mapImageFeetPerPixel) - (((float)_theaterMap.Height / 2.0f))));
try
{
using (var renderTarget = new Bitmap(Math.Max(renderRectangle.Width, renderRectangle.Height), Math.Max(renderRectangle.Width, renderRectangle.Height), PixelFormat.Format16bppRgb565))
{
var scaleX = (float)renderTarget.Width / ((float)_theaterMap.Width);
var scaleY = (float)renderTarget.Height / ((float)_theaterMap.Height);
using (var h = Graphics.FromImage(renderTarget))
{
var backgroundColor = Color.FromArgb(181, 186, 222);
h.PixelOffsetMode = PixelOffsetMode.Half;
h.Clear(backgroundColor);
var origTransform = h.Transform;
h.TranslateTransform(renderTarget.Width / 2.0f, renderTarget.Height / 2.0f);
h.ScaleTransform(zoom, zoom);
h.TranslateTransform(-renderTarget.Width / 2.0f, -renderTarget.Height / 2.0f);
var zoomedTransform = h.Transform;
if (rotationMode == MapRotationMode.HeadingUp)
{
h.TranslateTransform(renderTarget.Width / 2.0f, renderTarget.Height / 2.0f);
h.RotateTransform(-(magneticHeadingInDecimalDegrees));
h.TranslateTransform(-renderTarget.Width / 2.0f, -renderTarget.Height / 2.0f);
}
h.ScaleTransform(scaleX, scaleY);
h.TranslateTransform(xOffset, yOffset);
h.DrawImage(_theaterMap,
0,
0,
new Rectangle(0, 0, _theaterMap.Width, _theaterMap.Height),
GraphicsUnit.Pixel);
h.Transform = zoomedTransform;
if (rotationMode == MapRotationMode.NorthUp)
{
h.TranslateTransform(renderTarget.Width / 2.0f, renderTarget.Height / 2.0f);
h.RotateTransform(magneticHeadingInDecimalDegrees);
h.TranslateTransform(-renderTarget.Width / 2.0f, -renderTarget.Height / 2.0f);
}
h.ScaleTransform(scaleX, scaleY);
_mapRingRenderer.DrawMapRing(h, _theaterMap.Size, (int)outerMapRingRadiusPixels, magneticHeadingInDecimalDegrees);
}
g.DrawImageFast(
renderTarget,
renderRectangle,
new Rectangle(
(renderTarget.Width - renderRectangle.Width) / 2,
(renderTarget.Height - renderRectangle.Height) / 2,
renderRectangle.Width, renderRectangle.Height),
GraphicsUnit.Pixel
);
var originalTransform = g.Transform;
if (rotationMode == MapRotationMode.NorthUp)
{
g.TranslateTransform(renderRectangle.Width / 2.0f, renderRectangle.Height / 2.0f);
g.RotateTransform(magneticHeadingInDecimalDegrees);
g.TranslateTransform(-renderRectangle.Width / 2.0f, -renderRectangle.Height / 2.0f);
}
_centerAirplaneRenderer.DrawCenterAirplaneSymbol(g, new Rectangle(0, 0, renderRectangle.Width, renderRectangle.Height));
g.Transform = originalTransform;
}
}
catch (Exception ex)
{
Log.Error(ex.Message, ex);
return(false);
}
return(true);
}