MessageMapContent GetMap(MessageMapRequest request)
{
Parameter mapParam = new Parameter(request.m_map.m_parameterReference);
//if (mapParam.IsBitmapType) //bitmaps we can work out how to handle later
//{
// return GetBitmap(mapParam, request);
//}
if (mapParam.IsTexmapType)
{
return GetTexmap(mapParam, request);
}
return new MessageMapContent();
}
protected const int MAP_HAS_ALPHA = (1 << 1);//!< The bitmap has an alpha channel.
MessageMapContent GetTexmap(Parameter mapParam, MessageMapRequest request)
{
/* Get the map and render it into a new bitmap */
var texmap = mapParam.GetTexmap();
//http://docs.autodesk.com/3DSMAX/16/ENU/3ds-Max-SDK-Programmer-Guide/index.html?url=files/GUID-FD9764C9-EE84-4A1A-BC62-87AE6AF86CC1.htm,topicNumber=d30e31073
//http://docs.autodesk.com/3DSMAX/16/ENU/3ds-Max-SDK-Programmer-Guide/index.html?url=files/GUID-FD9764C9-EE84-4A1A-BC62-87AE6AF86CC1.htm,topicNumber=d30e31073
IBitmapInfo bmpInfo = _gi.BitmapInfo.Create();
bmpInfo.SetType(BMM_TRUE_32);
bmpInfo.SetWidth(request.m_width);
bmpInfo.SetHeight(request.m_height);
bmpInfo.SetFlags(MAP_HAS_ALPHA);
bmpInfo.SetCustomFlag(0);
bmpInfo.SetFirstFrame(0);
bmpInfo.SetLastFrame(0);
IBitmap bmp = _gi.CreateBitmapFromBitmapInfo(bmpInfo);
texmap.RenderBitmap(0, bmp, 1.0f, request.m_filter);
/* If the user is not requesting a filename, create a temp one to write to */
if (!request.m_writeToFile)
{
request.m_filename = Path.Combine(Directory.GetCurrentDirectory(), Path.GetRandomFileName() + ".png");
}
/* Write the bitmap to file */
Directory.CreateDirectory(Path.GetDirectoryName(request.m_filename));
//The bmpInfo contains the filename - note it doesnt have to be the same bmpInfo as created above thats just the easiest way to do it here
bmpInfo.SetName(request.m_filename);
bmp.OpenOutput(bmpInfo);
bmp.Write(bmpInfo, 0);
bmp.Close(bmpInfo, 0);
//Max prepends the filename with the sequence number, so rename afterwards
string extension = System.IO.Path.GetExtension(request.m_filename);
string maxfilename = request.m_filename.Substring(0, request.m_filename.Length - extension.Length) + "0000" + extension;
/* If the user has requested a file, then rename and return this, otherwise get the data from it and delete it */
if (request.m_writeToFile)
{
if (File.Exists(request.m_filename))
{
File.Delete(request.m_filename);
}
System.IO.File.Move(maxfilename, request.m_filename);
return new MessageMapFilename(request.m_filename);
}
else
{
MessageMapContent response = new MessageMapData(File.ReadAllBytes(maxfilename));
File.Delete(maxfilename);
return response;
}
}
