private int ReadTexture(BinaryReader reader)
{
int returned = 0;
int width = Header.Width;
int height = Header.Height;
int BitPerBlock = 0;
int size = 0;
var temp = DDSHelper.ConvertFromDDSAtlus(Header.PixelFormat);
if (temp != DDSFourCC.NONE)
{
BitPerBlock = temp == AuxiliaryLibraries.Media.Formats.DDS.DDSFourCC.DXT1 ? 8 : 16;
size = Convert.ToInt32(Math.Ceiling((double)width / 4) *
Math.Ceiling((double)height / 4) *
BitPerBlock) *
Header.TileCount;
}
else
{
size = width * height * BitPerBlock / 8;
}
if (Header.Tile)
{
dataList.Add(reader.ReadBytes(size));
returned += size;
}
else
{
for (int i = 0; i < Header.MipMapCount; i++)
{
returned += size;
dataList.Add(reader.ReadBytes(size));
width = width / 2 == 0 ? 1 : width / 2;
height = height / 2 == 0 ? 1 : height / 2;
if (temp != AuxiliaryLibraries.Media.Formats.DDS.DDSFourCC.NONE)
{
size = Convert.ToInt32(Math.Ceiling((double)width / 4) *
Math.Ceiling((double)height / 4) *
BitPerBlock);
}
else
{
size = width * height * BitPerBlock / 8;
}
}
}
return(returned);
}
public void SetBitmap(Bitmap bitmap)
{
Header.Width = (ushort)bitmap.Width;
Header.Height = (ushort)(bitmap.Height / Header.TileCount);
var ddsPF = DDSHelper.ConvertFromDDSAtlus(Header.PixelFormat);
if (ddsPF == DDSFourCC.NONE)
{
var PF = DDSHelper.DDSAtlusToPixelFormat(Header.PixelFormat);
if (bitmap.PixelFormat != PF)
{
bitmap = bitmap.ConvertTo(PF, null);
}
dataList[0] = bitmap.CopyData();
if (dataList.Count > 1)
{
}
}
else
{
DDSCompressor.DDSCompress(bitmap, ddsPF, out byte[] newData);
dataList[0] = newData;
if (dataList.Count > 1)
{
AuxiliaryLibraries.Media.Processing.Scale.Lanczos lanczos = new AuxiliaryLibraries.Media.Processing.Scale.Lanczos();
Bitmap temp = bitmap;
for (int i = 1; i < dataList.Count; i++)
{
temp = lanczos.imageScale(temp, 0.5f, 0.5f);
DDSCompressor.DDSCompress(temp.Width, temp.Height, temp.CopyData(), ddsPF, out newData);
dataList[i] = newData;
}
}
}
Header.SizeTexture = dataList.Sum(x => x.Length);
Header.SizeWOHeader = Header.SizeTexture + (LastBlock == null ? 0 : LastBlock.Length);
this.bitmap = null;
}
public Bitmap GetBitmap()
{
if (bitmap == null)
{
var ddsPF = DDSHelper.ConvertFromDDSAtlus(Header.PixelFormat);
if (ddsPF == DDSFourCC.NONE)
{
var PF = DDSHelper.DDSAtlusToPixelFormat(Header.PixelFormat);
bitmap = new Bitmap(Header.Width, Header.Height * Header.TileCount, PF, dataList[0], null);
}
else
{
DDSDecompressor.DDSDecompress(Header.Width, Header.Height * Header.TileCount, dataList[0], ddsPF, out byte[] newData);
bitmap = new Bitmap(Header.Width, Header.Height * Header.TileCount, PixelFormats.Bgra32, newData, null);
}
}
return(bitmap);
}
