public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (TxMetaData)info;
PixelFormat format;
BitmapPalette palette = null;
if (24 == info.BPP)
{
format = PixelFormats.Bgr24;
}
else if (32 == info.BPP)
{
format = PixelFormats.Bgra32;
}
else if (16 == info.BPP)
{
format = PixelFormats.Bgr555;
}
else if (8 == info.BPP)
{
format = PixelFormats.Indexed8;
file.Position = 0x36;
palette = ReadPalette(file.AsStream, meta.Colors);
}
else
{
throw new InvalidFormatException();
}
var reader = new TxReader(file, meta);
var pixels = reader.Unpack();
return(ImageData.CreateFlipped(info, format, palette, pixels, reader.Stride));
}
protected override ImageData GetImageData()
{
m_input.Position = 4;
var info = new TxMetaData {
BPP = 8, Colors = 0x100
};
this.Info = info;
info.Stride = m_input.ReadUInt16();
info.Height = m_input.ReadUInt16();
info.Width = (uint)info.Stride;
info.DataOffset = m_input.Position;
var reader = new TxReader(m_input, info);
var pixels = reader.Unpack();
return(ImageData.CreateFlipped(Info, PixelFormats.Indexed8, Palette, pixels, info.Stride));
}