public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var header = file.ReadHeader(0x29);
if (header.Length != 0x29)
{
return(null);
}
var gps = new GpsMetaData
{
Width = header.ToUInt32(0x19),
Height = header.ToUInt32(0x1D),
Compression = header[0x10],
UnpackedSize = header.ToInt32(0x11),
PackedSize = header.ToInt32(0x15),
};
// read BMP header
using (var stream = OpenGpsStream(file, gps.Compression, 0x54))
using (var input = BinaryStream.FromStream(stream, file.Name))
{
var bmp_info = base.ReadMetaData(input);
if (null == bmp_info)
{
return(null);
}
gps.BPP = bmp_info.BPP;
return(gps);
}
}
public override ImageMetaData ReadMetaData(Stream stream)
{
var header = new byte[0x29];
if (header.Length != stream.Read(header, 0, header.Length))
{
return(null);
}
var gps = new GpsMetaData
{
Width = LittleEndian.ToUInt32(header, 0x19),
Height = LittleEndian.ToUInt32(header, 0x1D),
Compression = header[0x10],
UnpackedSize = LittleEndian.ToInt32(header, 0x11),
PackedSize = LittleEndian.ToInt32(header, 0x15),
};
// read BMP header
using (var input = OpenGpsStream(stream, gps.Compression, 0x54))
{
var bmp_info = base.ReadMetaData(input);
if (null == bmp_info)
{
return(null);
}
gps.BPP = bmp_info.BPP;
return(gps);
}
}
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var header = file.ReadHeader(0x29);
var gps = new GpsMetaData();
if (header.ToUInt32(4) == 0xCCCCCCCC)
{
gps.HeaderSize = 0x19;
gps.Compression = 2;
gps.UnpackedSize = header.ToInt32(0x9);
gps.PackedSize = header.ToInt32(0xD);
}
else
{
gps.HeaderSize = 0x29;
gps.Compression = header[0x10];
gps.UnpackedSize = header.ToInt32(0x11);
gps.PackedSize = header.ToInt32(0x15);
gps.Width = header.ToUInt32(0x19);
gps.Height = header.ToUInt32(0x1D);
}
file.Position = gps.HeaderSize;
// read BMP header
using (var stream = OpenGpsStream(file, gps.Compression, 0x54))
using (var input = BinaryStream.FromStream(stream, file.Name))
{
var bmp_info = Bmp.ReadMetaData(input);
if (null == bmp_info)
{
return(null);
}
gps.BPP = bmp_info.BPP;
gps.Width = bmp_info.Width;
gps.Height = bmp_info.Height;
return(gps);
}
}
public override ImageMetaData ReadMetaData(Stream stream)
{
var header = new byte[0x29];
if (header.Length != stream.Read (header, 0, header.Length))
return null;
var gps = new GpsMetaData
{
Width = LittleEndian.ToUInt32 (header, 0x19),
Height = LittleEndian.ToUInt32 (header, 0x1D),
Compression = header[0x10],
UnpackedSize = LittleEndian.ToInt32 (header, 0x11),
PackedSize = LittleEndian.ToInt32 (header, 0x15),
};
// read BMP header
using (var input = OpenGpsStream (stream, gps.Compression, 0x54))
{
var bmp_info = base.ReadMetaData (input);
if (null == bmp_info)
return null;
gps.BPP = bmp_info.BPP;
return gps;
}
}