// This unloads all data
internal void Unload()
{
// Stop background loader
StopBackgroundLoader();
// Dispose preview manager
previews.Dispose();
previews = null;
// Dispose resources
foreach (ImageData i in images.Values)
{
i.Dispose();
}
palette = null;
// Dispose containers
foreach (DataReader c in containers)
{
c.Dispose();
}
containers.Clear();
// Trash collections
containers = null;
images = null;
imageque = null;
}
// This loads the PALETTE.DAT palette
private void LoadPalette()
{
// Go for all opened containers
for (int i = containers.Count - 1; i >= 0; i--)
{
// Load palette
palette = containers[i].LoadPalette();
if (palette != null)
{
break;
}
}
// Make empty palette when still no palette found
if (palette == null)
{
General.ErrorLogger.Add(ErrorType.Warning, "None of the loaded resources define a color palette. Did you forget to configure a game GRP for this game configuration?");
palette = new Playpal();
}
}
// This check image data and returns the appropriate image reader
public static IImageReader GetImageReader(Stream data, SupportedImageFormat guessformat, Playpal palette)
{
//BinaryReader bindata = new BinaryReader(data);
// This can ONLY be an ART file, right?
if (guessformat == SupportedImageFormat.ART && data.Length > 0)
{
return(new ARTImageReader(palette));
}
// First check the formats that provide the means to 'ensure' that
// it actually is that format. Then guess the Doom image format.
// Data long enough to check for signatures?
/*if(data.Length > 10)
* {
* // Check for PNG signature
* data.Seek(0, SeekOrigin.Begin);
* if(CheckSignature(data, PNG_SIGNATURE)) return new FileImageReader();
*
* // Check for DDS signature
* data.Seek(0, SeekOrigin.Begin);
* if(CheckSignature(data, DDS_SIGNATURE)) return new FileImageReader();
*
* // Check for GIF signature
* data.Seek(0, SeekOrigin.Begin);
* if(CheckSignature(data, GIF_SIGNATURE)) return new FileImageReader();
*
* // Check for BMP signature
* data.Seek(0, SeekOrigin.Begin);
* if(CheckSignature(data, BMP_SIGNATURE))
* {
* // Check if data size matches the size specified in the data
* if(bindata.ReadUInt32() <= data.Length) return new FileImageReader();
* }
* }*/
// Format not supported
return(new UnknownImageReader());
}