public void Extract(string FilePath, int BitmapIndex)
{
// Create a new dds file
FileStream fs = new FileStream(FilePath, FileMode.Create, FileAccess.Write);
BinaryWriter bw = new BinaryWriter(fs);
BitmapSubmap sm = bitmapList[BitmapIndex];
// Create a new dds header with our texture info and write it
new DDS(sm).Write(bw);
// Setup our new sizes for this level
int height = sm.vHeight;
int width = sm.vWidth;
// Untile the data
byte[] data = DXTDecoder.ConvertToLinearTexture(GetBitmapData(BitmapIndex),
width, height, sm.Format);
// Now endian swap all the data if its DXT
if (sm.Format != TextureFormat.A8R8G8B8)
{
for (int i = 0; i < data.Length; i += 2)
{
Array.Reverse(data, i, 2);
}
}
// Now lets write it out
bw.Write(data);
// Close our new dds
bw.Close();
}
public Bitmap GeneratePreview(int BitmapIndex)
{
BitmapSubmap bitmapData = bitmapList[BitmapIndex];
// Make sure this format can be previewed
if (!bitmapData.IsSupported)
{
Bitmap bitmap = new Bitmap(200, 200);
Graphics g = Graphics.FromImage(bitmap);
g.Clear(Color.CornflowerBlue);
string drawString = "No Preview Available";
SizeF size = g.MeasureString(drawString, new Font(FontFamily.GenericSerif, 15f));
g.DrawString(drawString, new Font(FontFamily.GenericSerif, 15f),
Brushes.Black,
new PointF(100 - (size.Width / 2), 100 - (size.Height / 2)));
return(bitmap);
}
// Setup our new sizes for this level
int height = bitmapData.vHeight;
int width = bitmapData.vWidth;
// Convert it to a linear texture
byte[] data = GetBitmapData(BitmapIndex);
//File.WriteAllBytes("C:\\normal2.bin", data);
if (bitmapData.IsDefined)
{
data = DXTDecoder.ConvertToLinearTexture(data,
width, height, bitmapData.Format);
}
// Decode the dxt
switch (bitmapData.Format)
{
case TextureFormat.A8:
data = DXTDecoder.DecodeA8(data, width, height);
break;
case TextureFormat.Y8:
data = DXTDecoder.DecodeY8(data, width, height);
break;
case TextureFormat.AY8:
data = DXTDecoder.DecodeAY8(data, width, height);
break;
case TextureFormat.A8Y8:
data = DXTDecoder.DecodeA8Y8(data, width, height);
break;
case TextureFormat.R5G6B5:
data = DXTDecoder.DecodeR5G6B5(data, width, height);
break;
case TextureFormat.A1R5G5B5:
data = DXTDecoder.DecodeA1R5G5B5(data, width, height);
break;
case TextureFormat.A4R4G4B4:
data = DXTDecoder.DecodeA4R4G4B4(data, width, height);
break;
case TextureFormat.X8R8G8B8:
case TextureFormat.A8R8G8B8:
// Do nothing its fine how it is
break;
case TextureFormat.DXT1:
data = DXTDecoder.DecodeDXT1(data, width, height);
break;
case TextureFormat.DXT3:
data = DXTDecoder.DecodeDXT3(data, width, height);
break;
case TextureFormat.DXT5:
data = DXTDecoder.DecodeDXT5(data, width, height);
break;
case TextureFormat.DXN:
data = DXTDecoder.DecodeDXN(data, width, height);
break;
case TextureFormat.CTX1:
data = DXTDecoder.DecodeCTX1(data, width, height);
break;
default:
return(null);
// throw new ArgumentOutOfRangeException();
}
// Now lets create a bitmap from it
Bitmap bmp = new Bitmap(bitmapData.Width, bitmapData.Height, PixelFormat.Format32bppArgb);
Rectangle rect = new Rectangle(0, 0, bitmapData.Width, bitmapData.Height);
BitmapData bmpdata = bmp.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
// Loop and copy what we have removing any padding
byte[] newData1 = new byte[bitmapData.Width * bitmapData.Height * 4];
for (int x = 0; x < bitmapData.Height; x++)
{
Array.Copy(data, x * width * 4, newData1, x * bitmapData.Width * 4, bitmapData.Width * 4);
}
Marshal.Copy(newData1, 0, bmpdata.Scan0, newData1.Length);
bmp.UnlockBits(bmpdata);
// Return our image in our pic box now
return(bmp);
}