Пример #1
0
        public override void Parse(Stream file)
        {
            base.Parse(file);

            Tag subifdoffsetTag;

            if (!ifd.tags.TryGetValue(0x14A, out subifdoffsetTag))
            {
                throw new FormatException("File not correct");
            }
            subifd = new IFD[subifdoffsetTag.dataCount];
            for (int i = 0; i < subifdoffsetTag.dataCount; i++)
            {
                subifd[i] = new IFD(fileStream, (uint)subifdoffsetTag.data[i], true, false);
            }
            //get the Exif
            Tag exifoffsetTag;

            if (!ifd.tags.TryGetValue(0x8769, out exifoffsetTag))
            {
                throw new FormatException("File not correct");
            }
            //todo third IFD
            exif = new IFD(fileStream, (uint)exifoffsetTag.data[0], true, false);
            Tag makerNoteOffsetTag;

            if (!exif.tags.TryGetValue(0x927C, out makerNoteOffsetTag))
            {
                throw new FormatException("File not correct");
            }
            makerNote = new NikonMakerNote(fileStream, makerNoteOffsetTag.dataOffset, true);
        }
Пример #2
0
        public override ushort[] parseRAWImage()
        {
            //Get the RAW data info
            Tag imageRAWOffsetTags, imageRAWWidth, imageRAWHeight, imageRAWSize, imageRAWCompressed, imageRAWDepth, imageRAWCFA;
            int rawIFDNum = 1;

            if (subifd.Length < 2)
            {
                rawIFDNum = 0;
            }
            if (!subifd[rawIFDNum].tags.TryGetValue(0x0111, out imageRAWOffsetTags))
            {
                throw new FormatException("File not correct");
            }
            if (!subifd[rawIFDNum].tags.TryGetValue(0x0100, out imageRAWWidth))
            {
                throw new FormatException("File not correct");
            }
            if (!subifd[rawIFDNum].tags.TryGetValue(0x0101, out imageRAWHeight))
            {
                throw new FormatException("File not correct");
            }
            if (!subifd[rawIFDNum].tags.TryGetValue(0x0102, out imageRAWDepth))
            {
                throw new FormatException("File not correct");
            }
            if (!subifd[rawIFDNum].tags.TryGetValue(0x0117, out imageRAWSize))
            {
                throw new FormatException("File not correct");
            }
            if (!subifd[rawIFDNum].tags.TryGetValue(0x0103, out imageRAWCompressed))
            {
                throw new FormatException("File not correct");
            }
            if (!subifd[rawIFDNum].tags.TryGetValue(0x828e, out imageRAWCFA))
            {
                throw new FormatException("File not correct");
            }
            colorDepth = (ushort)imageRAWDepth.data[0];
            height     = (uint)imageRAWHeight.data[0];
            width      = (uint)imageRAWWidth.data[0];
            cfa        = new byte[4];
            for (int i = 0; i < 4; i++)
            {
                cfa[i] = (byte)imageRAWCFA.data[i];
            }

            Tag ContrastCurveTag;

            if (makerNote.ifd.tags.TryGetValue(0x8C, out ContrastCurveTag))
            {
                curve = new double[ContrastCurveTag.dataCount];
                for (int i = 0; i < ContrastCurveTag.dataCount; i++)
                {
                    curve[i] = Convert.ToDouble(ContrastCurveTag.data[i]);
                }
            }

            //get the colorBalance
            Tag colorBalanceTag, colorLevelTag;

            //first get the matrix of level for each pixel (a 2*2 array corresponding to the rgb bayer matrice used
            if (makerNote.ifd.tags.TryGetValue(0xc, out colorLevelTag))
            {
                for (int c = 0; c < 3; c++)
                {
                    camMul[((c << 1) | (c >> 1)) & 3] = (double)colorLevelTag.data[c];
                }
            }
            else if (makerNote.ifd.tags.TryGetValue(0x97, out colorBalanceTag))
            {
                int version = 0;
                for (int i = 0; i < 4; i++)
                {
                    version = version * 10 + (byte)(colorBalanceTag.data[i]) - '0';
                }
                if (version < 200)
                {
                    switch (version)
                    {
                    case 100:
                        for (int c = 0; c < 4; c++)
                        {
                            camMul[(c >> 1) | ((c & 1) << 1)] = fileStream.readshortFromArrayC(ref colorBalanceTag.data, (c * 2) + 72);
                        }
                        break;

                    case 102:
                        for (int c = 0; c < 4; c++)
                        {
                            camMul[c ^ (c >> 1)] = fileStream.readshortFromArrayC(ref colorBalanceTag.data, (c * 2) + 10);
                        }
                        //check
                        //for (int c = 0; c < 4; c++) sraw_mul[c ^ (c >> 1)] = get2();
                        break;

                    case 103:
                        for (int c = 0; c < 4; c++)
                        {
                            camMul[c] = fileStream.readshortFromArrayC(ref colorBalanceTag.data, (c * 2) + 20);
                        }
                        break;
                    }
                }
                else
                {
                    //encrypted
                    byte[][] xlat = new byte[2][] {
                        new byte [256] {
                            0xc1, 0xbf, 0x6d, 0x0d, 0x59, 0xc5, 0x13, 0x9d, 0x83, 0x61, 0x6b, 0x4f, 0xc7, 0x7f, 0x3d, 0x3d,
                            0x53, 0x59, 0xe3, 0xc7, 0xe9, 0x2f, 0x95, 0xa7, 0x95, 0x1f, 0xdf, 0x7f, 0x2b, 0x29, 0xc7, 0x0d,
                            0xdf, 0x07, 0xef, 0x71, 0x89, 0x3d, 0x13, 0x3d, 0x3b, 0x13, 0xfb, 0x0d, 0x89, 0xc1, 0x65, 0x1f,
                            0xb3, 0x0d, 0x6b, 0x29, 0xe3, 0xfb, 0xef, 0xa3, 0x6b, 0x47, 0x7f, 0x95, 0x35, 0xa7, 0x47, 0x4f,
                            0xc7, 0xf1, 0x59, 0x95, 0x35, 0x11, 0x29, 0x61, 0xf1, 0x3d, 0xb3, 0x2b, 0x0d, 0x43, 0x89, 0xc1,
                            0x9d, 0x9d, 0x89, 0x65, 0xf1, 0xe9, 0xdf, 0xbf, 0x3d, 0x7f, 0x53, 0x97, 0xe5, 0xe9, 0x95, 0x17,
                            0x1d, 0x3d, 0x8b, 0xfb, 0xc7, 0xe3, 0x67, 0xa7, 0x07, 0xf1, 0x71, 0xa7, 0x53, 0xb5, 0x29, 0x89,
                            0xe5, 0x2b, 0xa7, 0x17, 0x29, 0xe9, 0x4f, 0xc5, 0x65, 0x6d, 0x6b, 0xef, 0x0d, 0x89, 0x49, 0x2f,
                            0xb3, 0x43, 0x53, 0x65, 0x1d, 0x49, 0xa3, 0x13, 0x89, 0x59, 0xef, 0x6b, 0xef, 0x65, 0x1d, 0x0b,
                            0x59, 0x13, 0xe3, 0x4f, 0x9d, 0xb3, 0x29, 0x43, 0x2b, 0x07, 0x1d, 0x95, 0x59, 0x59, 0x47, 0xfb,
                            0xe5, 0xe9, 0x61, 0x47, 0x2f, 0x35, 0x7f, 0x17, 0x7f, 0xef, 0x7f, 0x95, 0x95, 0x71, 0xd3, 0xa3,
                            0x0b, 0x71, 0xa3, 0xad, 0x0b, 0x3b, 0xb5, 0xfb, 0xa3, 0xbf, 0x4f, 0x83, 0x1d, 0xad, 0xe9, 0x2f,
                            0x71, 0x65, 0xa3, 0xe5, 0x07, 0x35, 0x3d, 0x0d, 0xb5, 0xe9, 0xe5, 0x47, 0x3b, 0x9d, 0xef, 0x35,
                            0xa3, 0xbf, 0xb3, 0xdf, 0x53, 0xd3, 0x97, 0x53, 0x49, 0x71, 0x07, 0x35, 0x61, 0x71, 0x2f, 0x43,
                            0x2f, 0x11, 0xdf, 0x17, 0x97, 0xfb, 0x95, 0x3b, 0x7f, 0x6b, 0xd3, 0x25, 0xbf, 0xad, 0xc7, 0xc5,
                            0xc5, 0xb5, 0x8b, 0xef, 0x2f, 0xd3, 0x07, 0x6b, 0x25, 0x49, 0x95, 0x25, 0x49, 0x6d, 0x71, 0xc7
                        },
                        new byte [256] {
                            0xa7, 0xbc, 0xc9, 0xad, 0x91, 0xdf, 0x85, 0xe5, 0xd4, 0x78, 0xd5, 0x17, 0x46, 0x7c, 0x29, 0x4c,
                            0x4d, 0x03, 0xe9, 0x25, 0x68, 0x11, 0x86, 0xb3, 0xbd, 0xf7, 0x6f, 0x61, 0x22, 0xa2, 0x26, 0x34,
                            0x2a, 0xbe, 0x1e, 0x46, 0x14, 0x68, 0x9d, 0x44, 0x18, 0xc2, 0x40, 0xf4, 0x7e, 0x5f, 0x1b, 0xad,
                            0x0b, 0x94, 0xb6, 0x67, 0xb4, 0x0b, 0xe1, 0xea, 0x95, 0x9c, 0x66, 0xdc, 0xe7, 0x5d, 0x6c, 0x05,
                            0xda, 0xd5, 0xdf, 0x7a, 0xef, 0xf6, 0xdb, 0x1f, 0x82, 0x4c, 0xc0, 0x68, 0x47, 0xa1, 0xbd, 0xee,
                            0x39, 0x50, 0x56, 0x4a, 0xdd, 0xdf, 0xa5, 0xf8, 0xc6, 0xda, 0xca, 0x90, 0xca, 0x01, 0x42, 0x9d,
                            0x8b, 0x0c, 0x73, 0x43, 0x75, 0x05, 0x94, 0xde, 0x24, 0xb3, 0x80, 0x34, 0xe5, 0x2c, 0xdc, 0x9b,
                            0x3f, 0xca, 0x33, 0x45, 0xd0, 0xdb, 0x5f, 0xf5, 0x52, 0xc3, 0x21, 0xda, 0xe2, 0x22, 0x72, 0x6b,
                            0x3e, 0xd0, 0x5b, 0xa8, 0x87, 0x8c, 0x06, 0x5d, 0x0f, 0xdd, 0x09, 0x19, 0x93, 0xd0, 0xb9, 0xfc,
                            0x8b, 0x0f, 0x84, 0x60, 0x33, 0x1c, 0x9b, 0x45, 0xf1, 0xf0, 0xa3, 0x94, 0x3a, 0x12, 0x77, 0x33,
                            0x4d, 0x44, 0x78, 0x28, 0x3c, 0x9e, 0xfd, 0x65, 0x57, 0x16, 0x94, 0x6b, 0xfb, 0x59, 0xd0, 0xc8,
                            0x22, 0x36, 0xdb, 0xd2, 0x63, 0x98, 0x43, 0xa1, 0x04, 0x87, 0x86, 0xf7, 0xa6, 0x26, 0xbb, 0xd6,
                            0x59, 0x4d, 0xbf, 0x6a, 0x2e, 0xaa, 0x2b, 0xef, 0xe6, 0x78, 0xb6, 0x4e, 0xe0, 0x2f, 0xdc, 0x7c,
                            0xbe, 0x57, 0x19, 0x32, 0x7e, 0x2a, 0xd0, 0xb8, 0xba, 0x29, 0x00, 0x3c, 0x52, 0x7d, 0xa8, 0x49,
                            0x3b, 0x2d, 0xeb, 0x25, 0x49, 0xfa, 0xa3, 0xaa, 0x39, 0xa7, 0xc5, 0xa7, 0x50, 0x11, 0x36, 0xfb,
                            0xc6, 0x67, 0x4a, 0xf5, 0xa5, 0x12, 0x65, 0x7e, 0xb0, 0xdf, 0xaf, 0x4e, 0xb3, 0x61, 0x7f, 0x2f
                        }
                    };
                    Tag serialTag, shutterCountTag;
                    if (!makerNote.ifd.tags.TryGetValue(0x1D, out serialTag))
                    {
                        throw new FormatException("File not correct");
                    }
                    if (!makerNote.ifd.tags.TryGetValue(0xA7, out shutterCountTag))
                    {
                        throw new FormatException("File not correct");
                    }
                    byte[] buff = new byte[324];
                    for (int i = 0; i < 324; i++)
                    {
                        buff[i] = (byte)colorBalanceTag.data[i + 1];
                    }

                    //get serial
                    int serial = 0;
                    for (int i = 0; i < serialTag.data.Length; i++)
                    {
                        byte c = (byte)serialTag.dataAsString[i];
                        serial = (byte)(serial * 10) + (char.IsDigit((char)c) ? c - '0' : c % 10);
                    }
                    if (version < 217)
                    {
                        byte ci, cj, ck;
                        ci = xlat[0][serial & 0xff];
                        byte[] shutterAsByte = BitConverter.GetBytes((uint)shutterCountTag.data[0]);
                        cj = xlat[1][shutterAsByte[0] ^ shutterAsByte[1] ^ shutterAsByte[2] ^ shutterAsByte[3]];
                        ck = 0x60;
                        for (int i = 0; i < 324; i++)
                        {
                            buff[i] ^= (cj += (byte)(ci * ck++));
                        }
                        int offset = "66666>666;6A;:;55"[version - 200] - '0';
                        for (int c = 0; c < 4; c++)
                        {
                            camMul[c ^ (c >> 1) ^ (offset & 1)] = fileStream.readUshortFromArray(ref buff, (offset & -2) + c * 2);
                        }
                        for (int c = 0; c < 4; c++)
                        {
                            camMul[c] = (camMul[c] / 0.93783628940582275) * 65535.0 / 16383;
                        }
                    }
                }
            }

            ushort[] rawData;
            //Check if uncompressed
            if ((ushort)imageRAWCompressed.data[0] == 34713)
            {
                Tag compressionType;
                if (!makerNote.ifd.tags.TryGetValue(0x0093, out compressionType))
                {
                    throw new FormatException("File not correct");
                }
                //decompress the linearisationtable
                Tag lineTag;
                if (!makerNote.ifd.tags.TryGetValue(0x0096, out lineTag))
                {
                    throw new FormatException("File not correct");
                }
                //uncompress the image
                LinearisationTable line = new LinearisationTable((ushort)compressionType.data[0],
                                                                 (ushort)imageRAWDepth.data[0], (uint)imageRAWOffsetTags.data[0],
                                                                 lineTag.dataOffset + makerNote.getOffset(), fileStream);

                makerNote = null;
                rawData   = line.uncompressed(height, width, cfa);
                line.Dispose();
            }
            else
            {
                //get Raw Data
                fileStream.BaseStream.Position = (uint)imageRAWOffsetTags.data[0];
                //TODO convert toushort from the byte table
                //Normaly only nikon camera between D1 and d100 are not compressed
                rawData = new ushort[height * width * 3];
                var rawbyte = fileStream.ReadBytes(Convert.ToInt32(imageRAWSize.data[0]));
                //todo implement
                for (int i = 0; i < height * width; i++)
                {
                    rawData[i] = rawbyte[i / 4];
                }
            }
            fileStream.Dispose();
            return(rawData);
        }