private void ConvertPNGToTex(string inputFile, FileStream outputStream)
{
TEXFile.PixelFormat PixelFormat = (TEXFile.PixelFormat)Enum.Parse(typeof(TEXFile.PixelFormat), this.pixelFormatComboBox.Text);
InterpolationMode interpolationMode = (InterpolationMode)Enum.Parse(typeof(InterpolationMode), this.mipmapFilterComboBox.Text);
Bitmap inputImage = (Bitmap)Bitmap.FromFile(inputFile);
inputImage.RotateFlip(RotateFlipType.RotateNoneFlipY);
bool GenerateMipmaps = generateMipmapsCheckBox.Checked;
List <Mipmap> Mipmaps = new List <Mipmap>();
bool preMultiplyAlpha = preMultiplyAlphaCheckBox.Checked;
Mipmaps.Add(GenerateMipmap(inputImage, PixelFormat, preMultiplyAlpha));
if (GenerateMipmaps)
{
var width = inputImage.Width;
var height = inputImage.Height;
while (Math.Max(width, height) > 1)
{
width = Math.Max(1, width >> 1);
height = Math.Max(1, height >> 1);
Mipmaps.Add(GenerateMipmap(inputImage, PixelFormat, width, height, interpolationMode, preMultiplyAlpha));
}
}
TEXFile outputTEXFile = new TEXFile();
outputTEXFile.File.Header.Platform = 0;
outputTEXFile.File.Header.PixelFormat = (uint)PixelFormat;
outputTEXFile.File.Header.TextureType = (uint)EnumHelper <TEXFile.TextureType> .GetValueFromDescription(this.textureTypeComboBox.Text);
outputTEXFile.File.Header.NumMips = (uint)Mipmaps.Count;
outputTEXFile.File.Header.Flags = 0;
MemoryStream ms = new MemoryStream();
BinaryWriter writer = new BinaryWriter(ms);
foreach (Mipmap mip in Mipmaps)
{
writer.Write(mip.Width);
writer.Write(mip.Height);
writer.Write(mip.Pitch);
writer.Write((uint)mip.ARGBData.Length);
}
foreach (Mipmap mip in Mipmaps)
{
writer.Write(mip.ARGBData);
}
writer.Close();
outputTEXFile.File.Raw = ms.ToArray();
outputTEXFile.SaveFile(outputStream);
}