public Reader(IBinaryStream input, Pt1MetaData info)
{
m_type = info.Type;
m_input = new byte[info.PackedSize + 8];
input.Position = 0x20;
if (info.PackedSize != input.Read(m_input, 0, info.PackedSize))
{
throw new InvalidFormatException("Unexpected end of file");
}
m_width = (int)info.Width;
m_height = (int)info.Height;
m_output = new byte[info.UnpackedSize];
m_stride = m_width * 3;
if (3 == m_type)
{
Format = PixelFormats.Bgra32;
int packed_size = input.ReadInt32();
m_alpha_packed = input.ReadBytes(packed_size);
if (m_alpha_packed.Length != packed_size)
{
throw new EndOfStreamException();
}
}
else
{
Format = PixelFormats.Bgr24;
}
}
public Reader(Stream input, Pt1MetaData info)
{
m_type = info.Type;
m_input = new byte[info.PackedSize + 8];
input.Position = 0x20;
if ((int)info.PackedSize != input.Read(m_input, 0, (int)info.PackedSize))
{
throw new InvalidFormatException("Unexpected end of file");
}
m_width = (int)info.Width;
m_height = (int)info.Height;
m_output = new byte[info.UnpackedSize];
m_stride = m_width * 3;
if (3 == m_type)
{
Format = PixelFormats.Bgra32;
using (var reader = new ArcView.Reader(input))
{
int packed_size = reader.ReadInt32();
m_alpha_packed = new byte[packed_size];
if (packed_size != input.Read(m_alpha_packed, 0, packed_size))
{
throw new EndOfStreamException();
}
}
}
else
{
Format = PixelFormats.Bgr24;
}
}