/// <summary>
/// Loads the graphic as a bitmap. <b>Requires System.Drawing.Common</b>
/// </summary>
/// <returns></returns>
public Bitmap LoadImage()
{
switch (Type)
{
case GraphicType.Png:
case GraphicType.Jpeg:
return(new Bitmap(lump.RawStream()));
case GraphicType.DoomPatch:
return(doomImage.ToImage());
default:
throw new ArgumentException("Unsupported image type");
}
}
/// <summary>
/// Loads a new graphics from a wad
/// </summary>
/// <param name="lumpName"></param>
/// <param name="file"></param>
public Graphic(WadFile file, string lumpName)
{
lump = file[lumpName];
using (MemoryStream stream = lump.RawStream())
{
// Move to png marker
stream.ReadByte();
bool png = IsPng(stream);
bool jfif = false;
if (!png)
{
stream.Position = 4;
for (int i = 0; i < 2; i++)
{
stream.ReadByte();
}
jfif = IsJfif(stream);
}
if (png)
{
Type = GraphicType.Png;
}
else if (jfif)
{
Type = GraphicType.Jpeg;
}
else
{
Type = GraphicType.DoomPatch;
doomImage = new DoomGraphic(lump, file.Pallete(0));
}
}
}
