public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var header = file.ReadHeader(0x14);
int version = header.ToUInt16(4);
if (version != 101 && version != 102)
{
return(null);
}
var info = new PrtMetaData {
Width = header.ToUInt16(0xC),
Height = header.ToUInt16(0xE),
BPP = header.ToUInt16(6),
Version = version,
PaletteOffset = header.ToUInt16(8),
DataOffset = header.ToUInt16(0xA),
HasAlpha = header.ToInt32(0x10) != 0,
};
if (102 == version)
{
info.OffsetX = file.ReadInt32();
info.OffsetY = file.ReadInt32();
}
return(info);
}
public PrtReader(IBinaryStream input, PrtMetaData info)
{
m_input = input;
m_info = info;
m_stride = ((int)info.Width * (info.BPP / 8) + 3) & ~3;
}
