public void ChangeImageProbably(Image img, int mipMaps, ImgPixelFormat imgpixelFormat1, bool bool0)
{
var memoryStream = new MemoryStream();
var binaryWriter = new BinaryWriter(memoryStream);
mipMaps = ClampMipMaps(MipMapCount, img.Width, img.Height);
//Generate mipmaps
for (var i = 0; i < mipMaps; i++)
{
var bitmap =
KeyGenerator.ScaleImageFixedRatio(img, Math.Max(1, img.Width >> i), Math.Max(1, img.Height >> i));
if (imgpixelFormat1 == ImgPixelFormat.Bgra32)
{
var bitmapData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
var array = new byte[bitmapData.Stride * bitmap.Height];
Marshal.Copy(bitmapData.Scan0, array, 0, array.Length);
bitmap.UnlockBits(bitmapData);
binaryWriter.Write(array);
}
else
{
ZzTextureClass.smethod_16(bitmap, binaryWriter, imgpixelFormat1, bool0);
}
}
MipMapCount = mipMaps;
PixelFormat = imgpixelFormat1;
Data = memoryStream.ToArray();
}
public Image GetImage()
{
var bitmap = new Bitmap(Size.Width, Size.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (PixelFormat == ImgPixelFormat.Bgra32)
{
var bitmapData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
Marshal.Copy(Data, 0, bitmapData.Scan0, bitmapData.Stride * bitmap.Height);
bitmap.UnlockBits(bitmapData);
var stream = new MemoryStream();
bitmap.Save(stream, ImageFormat.Bmp);
return(Image.FromStream(stream));
}
if (PixelFormat != ImgPixelFormat.Dxt1 && PixelFormat != ImgPixelFormat.Dxt3)
{
if (PixelFormat != ImgPixelFormat.Dxt5)
{
throw new Exception("Can't decode DDS, Unknown format: " + PixelFormat);
}
}
var unk = new ImageRelatedClass(bitmap);
unk.method_4();
var binaryReader = new BinaryReader(new MemoryStream(Data));
ZzTextureClass.smethod_17(binaryReader, unk, PixelFormat);
binaryReader.Close();
unk.method_5(true);
var stream2 = new MemoryStream();
bitmap.Save(stream2, ImageFormat.Bmp);
return(Image.FromStream(stream2));
}
