public void Save(string fileName)
{
using (var writer = new DDSFileWriter(fileName))
{
writer.Write(this);
}
}
public void WriteImageToMemory()
{
var format = new Mock <IBlockCompressionFormat>();
format.Setup(f => f.FourCC).Returns(FourCC.BC1Unorm);
var imageData = new byte[8] {
1, 2, 3, 4, 5, 6, 7, 8
};
int imageWidth = 4;
int imageHeight = 4;
var ddsImage = DDSImage.CreateFromData(imageWidth, imageHeight, imageData, format.Object);
var stream = new MemoryStream();
var writer = new DDSFileWriter(stream);
writer.Write(ddsImage);
// Reset stream position for read
stream.Position = 0;
var reader = new BinaryReader(stream);
{
int size = Marshal.SizeOf(DDSFile.MagicNumber);
var data = reader.ReadBytes(size);
var magicNumber = BitConverter.ToUInt32(data, 0);
Assert.AreEqual(DDSFile.MagicNumber, magicNumber);
}
{
int size = Marshal.SizeOf(typeof(DDSFileHeader));
var data = reader.ReadBytes(size);
var handle = GCHandle.Alloc(data, GCHandleType.Pinned);
var header = (DDSFileHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(DDSFileHeader));
handle.Free();
Assert.AreEqual(imageWidth, header.Width);
Assert.AreEqual(imageHeight, header.Height);
}
{
var data = reader.ReadBytes(imageData.Length);
CollectionAssert.AreEqual(imageData, imageData);
}
writer.Dispose();
reader.Dispose();
}