internal PapaEncodingTexture(BinaryReader br)
{
this.NameIndex = br.ReadInt16();
this.Format = (PapaTextureFormat)br.ReadByte();
byte bits = br.ReadByte();
this.MipCount = (byte)(bits & 0b01111111);
this.IsSrgb = ((bits >> 7) & 1) == 1;
this.Width = br.ReadUInt16();
this.Height = br.ReadUInt16();
this.DataSize = br.ReadUInt64();
this.DataOffset = br.ReadInt64();
this.Image = null;
long returnOffset = br.BaseStream.Position;
if (this.DataOffset > 0)
{
br.BaseStream.Seek(this.DataOffset, SeekOrigin.Begin);
byte[] imageData = br.ReadBytes((int)this.DataSize);
MemoryStream simulatedDds = SimulateDdsFile(imageData);
this.Image = Pfim.Pfim.FromStream(simulatedDds);
}
br.BaseStream.Seek(returnOffset, SeekOrigin.Begin);
}
public DDSImage(Stream stream)
{
if (stream == null)
{
throw new Exception($"DDSImage ctor: {nameof(stream)} is null");
}
_ddsImageFile = Dds.Create(stream, new PfimConfig(decompress: true));
}
public void InitFromDDSImage(Pfim.IImage image)
{
Width = (ushort)image.Width;
Height = (ushort)image.Height;
Mipmap = image.MipMaps.Length;
Pitch = Width * 4;
}
private void Save <T>(Pfim.IImage dds, string path) where T : struct, IPixel <T>
{
using var i = Image.LoadPixelData <T>(dds.Data, dds.Width, dds.Height);
/*
* if (this.Flags == 0)
* {
* i.Mutate(p =>
* {
* p.Flip(FlipMode.Vertical);
* });
* }
*/
i.Save(path);
}
public DDSImage(string file)
{
_ddsImageFile = Pfim.Pfim.FromFile(file, new PfimConfig(decompress: true));
}
internal void CopyDataFromTexture(PapaTexture texture)
{
this.Image = texture.Image;
}
internal PapaTexture(ICollection <string> strings, PapaEncodingTexture texture)
{
this.Name = strings.ElementAtOrDefault(texture.NameIndex);
this.Image = texture.Image;
}