public override IImageDecoder OpenImage(ArcFile arc, Entry entry)
{
OrgMetaData info;
if (VFS.IsPathEqualsToFileName(arc.File.Name, "MASK.DAT"))
{
info = new OrgMetaData {
Width = arc.File.View.ReadUInt32(entry.Offset),
Height = arc.File.View.ReadUInt32(entry.Offset + 4),
BPP = 8,
IsMask = true,
};
}
else
{
byte has_alpha = arc.File.View.ReadByte(entry.Offset);
byte type = arc.File.View.ReadByte(entry.Offset + 1);
if (has_alpha > 1 || type < 1 || type > 3)
{
return(base.OpenImage(arc, entry));
}
info = new OrgMetaData {
Width = arc.File.View.ReadUInt16(entry.Offset + 2),
Height = arc.File.View.ReadUInt16(entry.Offset + 4),
HasAlpha = has_alpha != 0,
Method = type,
BPP = 32,
};
}
var input = arc.File.CreateStream(entry.Offset, entry.Size);
return(new OrgImageDecoder(input, info));
}
public OrgImageDecoder(IBinaryStream input, OrgMetaData info) : base(input, info)
{
m_info = info;
m_width = (int)info.Width;
m_height = (int)info.Height;
}