public override IImageDecoder OpenImage(ArcFile arc, Entry entry)
{
var imp_arc = (ImpArchive)arc;
var offset = entry.Offset;
var info = new ImpMetaData
{
Width = arc.File.View.ReadUInt32(offset),
Height = arc.File.View.ReadUInt32(offset + 4),
BPP = 32,
Key = imp_arc.Key,
HasAlpha = arc.File.View.ReadUInt32(offset + 12) != 0,
};
uint packed_size = arc.File.View.ReadUInt32(offset + 8);
var input = arc.File.CreateStream(offset, packed_size + 0x10);
return(new ImpDecoder(input, info));
}
public ImpDecoder(IBinaryStream input, ImpMetaData info) : base(input, info)
{
m_has_alpha = info.HasAlpha;
m_key = new byte[4];
LittleEndian.Pack(info.Key, m_key, 0);
}
