public byte[] Save(IEnumerable <Color> colors)
{
if (Width <= 0 || Height <= 0)
{
throw new InvalidDataException("Height and Width has to be set for ASTC.");
}
CreateTempPNG("tmp.png", colors);
var wrapper = new ASTCContext();
var result = wrapper.Encode("tmp.png", "tmp.astc", _blockMode);
if (result == ConvertImageResult.Error)
{
return(null);
}
File.Delete("tmp.png");
byte[] encodedData;
using (var br = new BinaryReader(File.OpenRead("tmp.astc")))
{
br.BaseStream.Position += 12;
encodedData = br.ReadBytes((int)(br.BaseStream.Length - br.BaseStream.Position));
}
File.Delete("tmp.astc");
return(encodedData);
}
public IEnumerable <Color> Load(byte[] tex)
{
if (Width < 0 || Height < 0)
{
throw new InvalidDataException("Height and Width has to be set for ASTC.");
}
CreateTempASTCFile("tmp.astc", tex);
var wrapper = new ASTCContext();
wrapper.Decode("tmp.astc", "tmp.ktx", _blockMode);
File.Delete("tmp.astc");
var ktx = new KTX("tmp.ktx");
var colors = ktx.GetImageColors().Reverse().ToList();
ktx.Dispose();
File.Delete("tmp.ktx");
return(colors);
}
public byte[] Save(IEnumerable <Color> colors)
{
if (Width < 0 || Height < 0)
{
throw new InvalidDataException("Height and Width has to be set for ASTC.");
}
CreateTempPNG("tmp.png", colors);
var wrapper = new ASTCContext();
wrapper.Encode("tmp.png", "tmp.astc", _blockMode);
File.Delete("tmp.png");
byte[] encodedData = null;
using (var br = new BinaryReaderX(File.OpenRead("tmp.astc")))
{
br.ReadType <ASTCFileHeader>();
encodedData = br.ReadBytes((int)(br.BaseStream.Length - br.BaseStream.Position));
}
File.Delete("tmp.astc");
return(encodedData);
}
