protected override ImageData GetImageData()
{
var info = ArchPacOpener.CtFormat.Value.ReadMetaData(m_input) as SeraphMetaData;
if (null == info)
{
return(ImageFormat.Read(m_input));
}
var overlay = new SeraphReader(m_input.AsStream, info);
overlay.UnpackCt();
var dst = m_baseline.Data;
var src = overlay.Data;
if (dst.Length != src.Length)
{
return(ImageData.Create(overlay.Info, PixelFormats.Bgra32, null, src));
}
for (int i = 0; i < src.Length; i += 4)
{
if (src[i + 3] != 0)
{
dst[i] = src[i];
dst[i + 1] = src[i + 1];
dst[i + 2] = src[i + 2];
dst[i + 3] = src[i + 3];
}
else
{
dst[i + 3] = 0xFF;
}
}
return(ImageData.Create(Info, PixelFormats.Bgra32, null, dst));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var reader = new SeraphReader(stream.AsStream, (SeraphMetaData)info, 4);
reader.UnpackCx();
return(ImageData.Create(info, reader.Format, null, reader.Data));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (SeraphMetaData)info;
var reader = new SeraphReader(stream.AsStream, meta, 1);
reader.UnpackCb();
return(ImageData.Create(info, reader.Format, reader.Palette, reader.Data));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (SeraphMetaData)info;
var reader = new SeraphReader(stream.AsStream, meta);
reader.UnpackCf();
return(ImageData.Create(info, PixelFormats.Bgr24, null, reader.Data));
}
public override ImageData Read(Stream stream, ImageMetaData info)
{
var meta = info as SeraphMetaData;
if (null == meta)
{
throw new ArgumentException("SeraphCfImage.Read should be supplied with SeraphMetaData", "info");
}
var reader = new SeraphReader(stream, meta);
reader.UnpackCf();
return(ImageData.Create(info, PixelFormats.Bgr24, null, reader.Data));
}
SeraphReader OpenCtImage(ArcFile arc, Entry entry)
{
using (var input = arc.OpenBinaryEntry(entry))
{
if (input.Signature != CtFormat.Value.Signature)
{
return(null);
}
var info = CtFormat.Value.ReadMetaData(input) as SeraphMetaData;
if (null == info)
{
return(null);
}
var reader = new SeraphReader(input.AsStream, info);
reader.UnpackCt();
return(reader);
}
}
public CtOverlayDecoder(IBinaryStream input, SeraphReader baseline)
: base(input, baseline.Info)
{
m_baseline = baseline;
}