private void ParseHeader()
{
using (var br = new BinaryReaderX(_stream, true, _byteOrder))
{
br.BaseStream.Position = 0;
_header = br.ReadType <KTXHeader>();
}
}
/// <summary>
/// Decode TGA Header.
/// </summary>
/// <param name="reader">Image stream.</param>
/// <param name="description">Image description.</param>
public unsafe void DecodeHeader(BinaryReader reader, out ImageDescription description)
{
KTXHeader header = ImageHelpers.ReadStruct <KTXHeader>(reader);
description = new ImageDescription()
{
imageFormat = ImageFormat.KTX,
Width = Math.Max(1, header.pixelWidth),
Height = Math.Max(1, header.pixelHeight),
Depth = Math.Max(1, header.pixelDepth),
MipLevels = Math.Max(1, header.numberOfMipmapLevels),
ArraySize = Math.Max(1, header.numberOfArrayElements),
Faces = Math.Max(1, header.numberOfFaces),
pixelFormat = SupportedFormats.FromOpenGLFormat(ref header),
};
}
