public override IImageDecoder OpenImage(ArcFile arc, Entry entry)
{
if (entry.Size < 0x36 || !arc.File.View.AsciiEqual(entry.Offset, "BM"))
{
return(base.OpenImage(arc, entry));
}
uint header_size = arc.File.View.ReadUInt32(entry.Offset + 0xA);
if (header_size < 0x36 || header_size > entry.Size)
{
return(base.OpenImage(arc, entry));
}
int height = arc.File.View.ReadInt32(entry.Offset + 0x16);
var info = new BmMetaData {
Width = arc.File.View.ReadUInt32(entry.Offset + 0x12),
Height = (uint)Math.Abs(height),
BPP = arc.File.View.ReadUInt16(entry.Offset + 0x1C),
DataOffset = header_size,
IsFlipped = height > 0,
IsCompressed = arc.File.View.ReadUInt32(0x32) != 0,
};
var input = arc.File.CreateStream(entry.Offset, entry.Size);
return(new BmpDecoder(input, info));
}
public BmpDecoder(IBinaryStream input, BmMetaData info) : base(input, info)
{
}