public bool Open(Stream fs)
{
try
{
var intSizeArr = new byte[4];
var shortSizeArr = new byte[2];
short shortSize;
int intSize;
long length;
//Read JPG SOF (FF,D8)
length = fs.Read(shortSizeArr, 0, 2);
if (length != 2 || shortSizeArr[0] != 0xFF || shortSizeArr[1] != 0xD8)
{
errorMessage = "File has no 0xFFD8 on start!";
return false;
}
//READ First SOF 0:APP0:Jfif:0xFFE0 / 1:APP1:Exif:0xFFE1
length = fs.Read(shortSizeArr, 0, 2);
if (shortSizeArr[0] == 0xFF && shortSizeArr[1] == 0xE0)
{ //If SOF0 found then skip it
length = fs.Read(shortSizeArr, 0, 2);
shortSize = ByteArrToShortBE(shortSizeArr);
fs.Seek(shortSize - 2, SeekOrigin.Current);
length = fs.Read(shortSizeArr, 0, 2); //Read next SOF#
}
if (shortSizeArr[0] != 0xFF || shortSizeArr[1] != 0xE1) //suppose to be next
{
errorMessage = "No Exif information (No APP1)";
return false;
}
//Skip over APP1
length = fs.Read(shortSizeArr, 0, 2);
shortSize = ByteArrToShortBE(shortSizeArr);
fs.Seek(shortSize - 2, SeekOrigin.Current);
//Read next SOF 2:APP2:MPE:0xFFE2
length = fs.Read(shortSizeArr, 0, 2);
if (length != 2 || shortSizeArr[0] != 0xFF || shortSizeArr[1] != 0xE2)
{
errorMessage = "File has no 0xFFE2 on start!";
return false;
}
fs.Seek(2, SeekOrigin.Current); //Skip over APP2 length field
//Read MP Magic
length = fs.Read(intSizeArr, 0, 4);
if (length != 4)
{
errorMessage = "No MP Magic (MPF.)!";
return false;
}
if (!IsMPFMagic(intSizeArr))
{
errorMessage = "Wrong MP Magic (MPF.)!";
return false;
}
var fromSOO = 0;
//READ THE MP Header Endianess
length = fs.Read(intSizeArr, 0, 4);
if (length != 4)
{
errorMessage = "No APP2 Endianess!";
return false;
}
fromSOO += 4;
var endianess = 0;
if (intSizeArr[0] == 0x49 && intSizeArr[1] == 0x49 && intSizeArr[2] == 0x2A && intSizeArr[3] == 0x00)
endianess = 1; // LE
else if (intSizeArr[0] == 0x4D && intSizeArr[1] == 0x4D && intSizeArr[2] == 0x00 && intSizeArr[3] == 0x2A)
endianess = 2; // BE
if (endianess == 0)
{
errorMessage = "Wrong APP2 Endianess!";
return false;
}
//Read First IFD Offset
length = fs.Read(intSizeArr, 0, 4);
if (length != 4)
{
errorMessage = "No First IFD Offset!";
return false;
}
fromSOO += 4;
intSize = (endianess == 1 ? BitConverter.ToInt32(intSizeArr, 0) : ByteArrToIntBE(intSizeArr));
if (intSize - fromSOO > 0) //Goto Offset
fs.Seek(intSize - fromSOO, SeekOrigin.Current);
// Skip MP Entry: Count[2], Version[12], No[12], No*16[12], Attr[4], Size[4]
fs.Seek(46, SeekOrigin.Current);
// Read 1st Image Size
length = fs.Read(intSizeArr, 0, 4);
if (length != 4)
{
errorMessage = "No Image Size!";
return false;
}
intSize = (endianess == 1 ? BitConverter.ToInt32(intSizeArr, 0) : ByteArrToIntBE(intSizeArr));
fs.Seek(0, SeekOrigin.Begin);
LeftImageBytes = new byte[intSize];
fs.Read(LeftImageBytes, 0, intSize);
LeftImage = ByteArrayToImage(LeftImageBytes);
// Go to the start of the next file (skip junk)
//int space = 1;
var found = false;
while (!found)
{
if (fs.ReadByte() == 0xFF)
{
if (fs.ReadByte() == 0xD8)
{
found = true;
}
}
}
fs.Seek(-2, SeekOrigin.Current);
intSize = 0;
RightImageBytes = new byte[fs.Length - intSize - 1];
fs.Read(RightImageBytes, 0, (int)(fs.Length - intSize - 1));
RightImage = ByteArrayToImage(RightImageBytes);
fs.Close();
fs = null;
var propItems = LeftImage.PropertyItems;
var nintendo = false;
foreach (var propItem in propItems)
{
if (propItem.Id == 0x010F) // Manufacturer
nintendo = Encoding.UTF8.GetString(propItem.Value).Equals("Nintendo\0");
else if ((propItem.Id == 0x927C) && nintendo) // MakerNote
{
var memStream = new MemoryStream(propItem.Value);
var ifdCount = (ushort)(memStream.ReadByte() << 8);
ifdCount += (byte)memStream.ReadByte();
_ifds = new IFD[ifdCount];
for (var i=0;i<_ifds.Length;i++)
_ifds[i] = MarshalUtil.ReadStructBE<IFD>(memStream) ;
//read the zero
//ifdCount = (ushort)(memStream.ReadByte() << 8);
//ifdCount += (byte)memStream.ReadByte();
//jump over the first ifd
memStream.Seek(4, SeekOrigin.Current);
_firstIFDData = new byte[_ifds[0].CountValue];
memStream.Read(_firstIFDData, 0, _firstIFDData.Length);
_nintendoNote = MarshalUtil.ReadStruct<NintendoNote>(memStream);
memStream.Close();
break;
}
}
var px = _nintendoNote.Parallax == 0 ? -10 : _nintendoNote.Parallax;
//make images for animation
LeftLaxxedImage = new Bitmap(LeftImage.Width + (int)px, LeftImage.Height);
RightLaxxedImage = new Bitmap(RightImage.Width + (int)px, RightImage.Height);
var g = Graphics.FromImage(LeftLaxxedImage);
g.DrawImage(LeftImage, new Rectangle(0, 0, RightImage.Width + (int)px, RightImage.Height), new Rectangle(0, 0, LeftImage.Width + (int)px, LeftImage.Height), GraphicsUnit.Pixel);
g.Dispose();
g = Graphics.FromImage(RightLaxxedImage);
g.DrawImage(RightImage, new Rectangle(0, 0, RightImage.Width + (int)px, RightImage.Height), new Rectangle(-(int)px, 0, RightImage.Width + (int)px, RightImage.Height), GraphicsUnit.Pixel);
g.Dispose();
//make anaglyph
AnaglyphImage = Anaglyph.MakeAnaglyph(LeftImage, RightImage, (new Anaglyph()).HalfColorAnaglyph, (int)px);
return true;
}
catch (Exception ex)
{
errorMessage = "Error in Opening file:" + Environment.NewLine + ex.Message;
return false;
}
finally
{
if (fs != null)
fs.Close();
}
}
public bool Open(Stream fs)
{
try
{
var intSizeArr = new byte[4];
var shortSizeArr = new byte[2];
short shortSize;
int intSize;
long length;
//Read JPG SOF (FF,D8)
length = fs.Read(shortSizeArr, 0, 2);
if (length != 2 || shortSizeArr[0] != 0xFF || shortSizeArr[1] != 0xD8)
{
errorMessage = "File has no 0xFFD8 on start!";
return(false);
}
//READ First SOF 0:APP0:Jfif:0xFFE0 / 1:APP1:Exif:0xFFE1
length = fs.Read(shortSizeArr, 0, 2);
if (shortSizeArr[0] == 0xFF && shortSizeArr[1] == 0xE0)
{ //If SOF0 found then skip it
length = fs.Read(shortSizeArr, 0, 2);
shortSize = ByteArrToShortBE(shortSizeArr);
fs.Seek(shortSize - 2, SeekOrigin.Current);
length = fs.Read(shortSizeArr, 0, 2); //Read next SOF#
}
if (shortSizeArr[0] != 0xFF || shortSizeArr[1] != 0xE1) //suppose to be next
{
errorMessage = "No Exif information (No APP1)";
return(false);
}
//Skip over APP1
length = fs.Read(shortSizeArr, 0, 2);
shortSize = ByteArrToShortBE(shortSizeArr);
fs.Seek(shortSize - 2, SeekOrigin.Current);
//Read next SOF 2:APP2:MPE:0xFFE2
length = fs.Read(shortSizeArr, 0, 2);
if (length != 2 || shortSizeArr[0] != 0xFF || shortSizeArr[1] != 0xE2)
{
errorMessage = "File has no 0xFFE2 on start!";
return(false);
}
fs.Seek(2, SeekOrigin.Current); //Skip over APP2 length field
//Read MP Magic
length = fs.Read(intSizeArr, 0, 4);
if (length != 4)
{
errorMessage = "No MP Magic (MPF.)!";
return(false);
}
if (!IsMPFMagic(intSizeArr))
{
errorMessage = "Wrong MP Magic (MPF.)!";
return(false);
}
var fromSOO = 0;
//READ THE MP Header Endianess
length = fs.Read(intSizeArr, 0, 4);
if (length != 4)
{
errorMessage = "No APP2 Endianess!";
return(false);
}
fromSOO += 4;
var endianess = 0;
if (intSizeArr[0] == 0x49 && intSizeArr[1] == 0x49 && intSizeArr[2] == 0x2A && intSizeArr[3] == 0x00)
{
endianess = 1; // LE
}
else if (intSizeArr[0] == 0x4D && intSizeArr[1] == 0x4D && intSizeArr[2] == 0x00 && intSizeArr[3] == 0x2A)
{
endianess = 2; // BE
}
if (endianess == 0)
{
errorMessage = "Wrong APP2 Endianess!";
return(false);
}
//Read First IFD Offset
length = fs.Read(intSizeArr, 0, 4);
if (length != 4)
{
errorMessage = "No First IFD Offset!";
return(false);
}
fromSOO += 4;
intSize = (endianess == 1 ? BitConverter.ToInt32(intSizeArr, 0) : ByteArrToIntBE(intSizeArr));
if (intSize - fromSOO > 0) //Goto Offset
{
fs.Seek(intSize - fromSOO, SeekOrigin.Current);
}
// Skip MP Entry: Count[2], Version[12], No[12], No*16[12], Attr[4], Size[4]
fs.Seek(46, SeekOrigin.Current);
// Read 1st Image Size
length = fs.Read(intSizeArr, 0, 4);
if (length != 4)
{
errorMessage = "No Image Size!";
return(false);
}
intSize = (endianess == 1 ? BitConverter.ToInt32(intSizeArr, 0) : ByteArrToIntBE(intSizeArr));
fs.Seek(0, SeekOrigin.Begin);
LeftImageBytes = new byte[intSize];
fs.Read(LeftImageBytes, 0, intSize);
LeftImage = ByteArrayToImage(LeftImageBytes);
// Go to the start of the next file (skip junk)
//int space = 1;
var found = false;
while (!found)
{
if (fs.ReadByte() == 0xFF)
{
if (fs.ReadByte() == 0xD8)
{
found = true;
}
}
}
fs.Seek(-2, SeekOrigin.Current);
intSize = 0;
RightImageBytes = new byte[fs.Length - intSize - 1];
fs.Read(RightImageBytes, 0, (int)(fs.Length - intSize - 1));
RightImage = ByteArrayToImage(RightImageBytes);
fs.Close();
fs = null;
var propItems = LeftImage.PropertyItems;
var nintendo = false;
foreach (var propItem in propItems)
{
if (propItem.Id == 0x010F) // Manufacturer
{
nintendo = Encoding.UTF8.GetString(propItem.Value).Equals("Nintendo\0");
}
else if ((propItem.Id == 0x927C) && nintendo) // MakerNote
{
var memStream = new MemoryStream(propItem.Value);
var ifdCount = (ushort)(memStream.ReadByte() << 8);
ifdCount += (byte)memStream.ReadByte();
_ifds = new IFD[ifdCount];
for (var i = 0; i < _ifds.Length; i++)
{
_ifds[i] = MarshalUtil.ReadStructBE <IFD>(memStream);
}
//read the zero
//ifdCount = (ushort)(memStream.ReadByte() << 8);
//ifdCount += (byte)memStream.ReadByte();
//jump over the first ifd
memStream.Seek(4, SeekOrigin.Current);
_firstIFDData = new byte[_ifds[0].CountValue];
memStream.Read(_firstIFDData, 0, _firstIFDData.Length);
_nintendoNote = MarshalUtil.ReadStruct <NintendoNote>(memStream);
memStream.Close();
break;
}
}
var px = _nintendoNote.Parallax == 0 ? -10 : _nintendoNote.Parallax;
//make images for animation
LeftLaxxedImage = new Bitmap(LeftImage.Width + (int)px, LeftImage.Height);
RightLaxxedImage = new Bitmap(RightImage.Width + (int)px, RightImage.Height);
var g = Graphics.FromImage(LeftLaxxedImage);
g.DrawImage(LeftImage, new Rectangle(0, 0, RightImage.Width + (int)px, RightImage.Height), new Rectangle(0, 0, LeftImage.Width + (int)px, LeftImage.Height), GraphicsUnit.Pixel);
g.Dispose();
g = Graphics.FromImage(RightLaxxedImage);
g.DrawImage(RightImage, new Rectangle(0, 0, RightImage.Width + (int)px, RightImage.Height), new Rectangle(-(int)px, 0, RightImage.Width + (int)px, RightImage.Height), GraphicsUnit.Pixel);
g.Dispose();
//make anaglyph
AnaglyphImage = Anaglyph.MakeAnaglyph(LeftImage, RightImage, (new Anaglyph()).HalfColorAnaglyph, (int)px);
return(true);
}
catch (Exception ex)
{
errorMessage = "Error in Opening file:" + Environment.NewLine + ex.Message;
return(false);
}
finally
{
if (fs != null)
{
fs.Close();
}
}
}