static bool _notConfigured(TIFF tif) { TIFFCodec c = TIFFFindCODEC(tif.tif_dir.td_compression); TIFFErrorExt(tif.tif_clientdata, tif.tif_name, "{0} compression support is not configured", (c != null?c.name:tif.tif_dir.td_compression.ToString())); return(false); }
public static void TIFFUnRegisterCODEC(TIFFCodec c) { if (registeredCODECS.Remove(c)) { return; } TIFFError("TIFFUnRegisterCODEC", "Cannot remove compression scheme {0}; not registered", c.name); }
public static bool TIFFSetCompressionScheme(TIFF tif, COMPRESSION scheme) { TIFFCodec c = TIFFFindCODEC((COMPRESSION)scheme); TIFFSetDefaultCompressionState(tif); // Don't treat an unknown compression scheme as an error. // This permits applications to open files with data that // the library does not have builtin support for, but which // may still be meaningful. return(c != null?c.init(tif, scheme):true); }
// ************************************************************************** // * TIFFIsCODECConfigured() * // ************************************************************************** // Check whether we have working codec for the specific coding scheme. // // @return returns true if the codec is configured and working. Otherwise // false will be returned. public static bool TIFFIsCODECConfigured(COMPRESSION scheme) { TIFFCodec codec = TIFFFindCODEC(scheme); if (codec == null) { return(false); } if (codec.init == null) { return(false); } return(codec.init != NotConfigured); }
static bool TIFFNoDecode(TIFF tif, string method) { TIFFCodec c = TIFFFindCODEC(tif.tif_dir.td_compression); if (c != null) { TIFFErrorExt(tif.tif_clientdata, tif.tif_name, "{0} {1} decoding is not implemented", c.name, method); } else { TIFFErrorExt(tif.tif_clientdata, tif.tif_name, "Compression scheme {0} {1} decoding is not implemented", tif.tif_dir.td_compression, method); } return(false); }
public static void TIFFUnRegisterCODEC(TIFFCodec c) { if(registeredCODECS.Remove(c)) return; TIFFError("TIFFUnRegisterCODEC", "Cannot remove compression scheme {0}; not registered", c.name); }
// Print the contents of the current directory // to the specified stdio file stream. public static void TIFFPrintDirectory(TIFF tif, TextWriter fd, TIFFPRINT flags) { TIFFDirectory td = tif.tif_dir; fd.WriteLine("TIFF Directory at offset 0x{0:X} ({0})", tif.tif_diroff); if (TIFFFieldSet(tif, FIELD.SUBFILETYPE)) { fd.Write(" Subfile Type:"); string sep = " "; if ((td.td_subfiletype & FILETYPE.REDUCEDIMAGE) != 0) { fd.Write("{0}reduced-resolution image", sep); sep = "/"; } if ((td.td_subfiletype & FILETYPE.PAGE) != 0) { fd.Write("{0}multi-page document", sep); sep = "/"; } if ((td.td_subfiletype & FILETYPE.MASK) != 0) { fd.Write("{0}transparency mask", sep); } fd.WriteLine(" ({0} = 0x{0:X})", td.td_subfiletype); } if (TIFFFieldSet(tif, FIELD.IMAGEDIMENSIONS)) { fd.Write(" Image Width: {0} Image Length: {1}", td.td_imagewidth, td.td_imagelength); if (TIFFFieldSet(tif, FIELD.IMAGEDEPTH)) { fd.Write(" Image Depth: {0}", td.td_imagedepth); } fd.WriteLine(); } if (TIFFFieldSet(tif, FIELD.TILEDIMENSIONS)) { fd.Write(" Tile Width: {0} Tile Length: {1}", td.td_tilewidth, td.td_tilelength); if (TIFFFieldSet(tif, FIELD.TILEDEPTH)) { fd.Write(" Tile Depth: {0}", td.td_tiledepth); } fd.WriteLine(); } if (TIFFFieldSet(tif, FIELD.RESOLUTION)) { fd.Write(" Resolution: {0}, {1}", td.td_xresolution, td.td_yresolution); if (TIFFFieldSet(tif, FIELD.RESOLUTIONUNIT)) { switch (td.td_resolutionunit) { case RESUNIT.NONE: fd.Write(" (unitless)"); break; case RESUNIT.INCH: fd.Write(" pixels/inch"); break; case RESUNIT.CENTIMETER: fd.Write(" pixels/cm"); break; default: fd.Write(" (unit {0} = 0x{0:X})", td.td_resolutionunit); break; } } fd.WriteLine(); } if (TIFFFieldSet(tif, FIELD.POSITION)) { fd.WriteLine(" Position: {0}, {1}", td.td_xposition, td.td_yposition); } if (TIFFFieldSet(tif, FIELD.BITSPERSAMPLE)) { fd.WriteLine(" Bits/Sample: {0}", td.td_bitspersample); } if (TIFFFieldSet(tif, FIELD.SAMPLEFORMAT)) { fd.Write(" Sample Format: "); switch (td.td_sampleformat) { case SAMPLEFORMAT.VOID: fd.WriteLine("void"); break; case SAMPLEFORMAT.INT: fd.WriteLine("signed integer"); break; case SAMPLEFORMAT.UINT: fd.WriteLine("unsigned integer"); break; case SAMPLEFORMAT.IEEEFP: fd.WriteLine("IEEE floating point"); break; case SAMPLEFORMAT.COMPLEXINT: fd.WriteLine("complex signed integer"); break; case SAMPLEFORMAT.COMPLEXIEEEFP: fd.WriteLine("complex IEEE floating point"); break; default: fd.WriteLine("{0} (0x{0:X})", td.td_sampleformat); break; } } if (TIFFFieldSet(tif, FIELD.COMPRESSION)) { TIFFCodec c = TIFFFindCODEC(td.td_compression); fd.Write(" Compression Scheme: "); if (c != null) { fd.WriteLine(c.name); } else { fd.WriteLine("{0} (0x{0:X})", td.td_compression); } } if (TIFFFieldSet(tif, FIELD.PHOTOMETRIC)) { fd.Write(" Photometric Interpretation: "); if ((int)td.td_photometric < photoNames.Length) { fd.WriteLine(photoNames[(int)td.td_photometric]); } else { switch (td.td_photometric) { case PHOTOMETRIC.LOGL: fd.WriteLine("CIE Log2(L)"); break; case PHOTOMETRIC.LOGLUV: fd.WriteLine("CIE Log2(L) (u',v')"); break; default: fd.WriteLine("{0} (0x{0:X})", td.td_photometric); break; } } } if (TIFFFieldSet(tif, FIELD.EXTRASAMPLES) && td.td_extrasamples != 0) { fd.Write(" Extra Samples: {0}<", td.td_extrasamples); string sep = ""; for (int i = 0; i < td.td_extrasamples; i++) { switch ((EXTRASAMPLE)td.td_sampleinfo[i]) { case EXTRASAMPLE.UNSPECIFIED: fd.Write("{0}unspecified", sep); break; case EXTRASAMPLE.ASSOCALPHA: fd.Write("{0}assoc-alpha", sep); break; case EXTRASAMPLE.UNASSALPHA: fd.Write("{0}unassoc-alpha", sep); break; default: fd.Write("{0}{1} (0x{1:X})", sep, td.td_sampleinfo[i]); break; } sep = ", "; } fd.WriteLine(">"); } if (TIFFFieldSet(tif, FIELD.INKNAMES)) { string[] names = td.td_inknames.Split('\0'); fd.Write(" Ink Names: "); string sep = ""; for (int i = 0; i < td.td_samplesperpixel && i < names.Length; i++) { fd.Write(sep); TIFFprintAscii(fd, names[i]); sep = ", "; } fd.WriteLine(); } if (TIFFFieldSet(tif, FIELD.THRESHHOLDING)) { fd.Write(" Thresholding: "); switch (td.td_threshholding) { case THRESHHOLD.BILEVEL: fd.WriteLine("bilevel art scan"); break; case THRESHHOLD.HALFTONE: fd.WriteLine("halftone or dithered scan"); break; case THRESHHOLD.ERRORDIFFUSE: fd.WriteLine("error diffused"); break; default: fd.WriteLine("{0} (0x{0:X})", td.td_threshholding); break; } } if (TIFFFieldSet(tif, FIELD.FILLORDER)) { fd.Write(" FillOrder: "); switch (td.td_fillorder) { case FILLORDER.MSB2LSB: fd.WriteLine("msb-to-lsb"); break; case FILLORDER.LSB2MSB: fd.WriteLine("lsb-to-msb"); break; default: fd.WriteLine("{0} (0x{0:X})", td.td_fillorder); break; } } if (TIFFFieldSet(tif, FIELD.YCBCRSUBSAMPLING)) { // For hacky reasons (see tif_jpeg.cs - JPEGFixupTestSubsampling), // we need to fetch this rather than trust what is in our structures. object[] ap = new object[2]; TIFFGetField(tif, TIFFTAG.YCBCRSUBSAMPLING, ap); fd.WriteLine(" YCbCr Subsampling: {0}, {1}", __GetAsUshort(ap, 0), __GetAsUshort(ap, 1)); } if (TIFFFieldSet(tif, FIELD.YCBCRPOSITIONING)) { fd.Write(" YCbCr Positioning: "); switch (td.td_ycbcrpositioning) { case YCBCRPOSITION.CENTERED: fd.WriteLine("centered"); break; case YCBCRPOSITION.COSITED: fd.WriteLine("cosited"); break; default: fd.WriteLine("{0} (0x{0:X})", td.td_ycbcrpositioning); break; } } if (TIFFFieldSet(tif, FIELD.HALFTONEHINTS)) { fd.WriteLine(" Halftone Hints: light {0} dark {1}", td.td_halftonehints[0], td.td_halftonehints[1]); } if (TIFFFieldSet(tif, FIELD.ORIENTATION)) { fd.Write(" Orientation: "); if ((int)td.td_orientation < orientNames.Length) { fd.WriteLine(orientNames[(int)td.td_orientation]); } else { fd.WriteLine("{0} (0x{0:X})", td.td_orientation); } } if (TIFFFieldSet(tif, FIELD.SAMPLESPERPIXEL)) { fd.WriteLine(" Samples/Pixel: {0}", td.td_samplesperpixel); } if (TIFFFieldSet(tif, FIELD.ROWSPERSTRIP)) { fd.Write(" Rows/Strip: "); if (td.td_rowsperstrip == uint.MaxValue) { fd.WriteLine("(infinite)"); } else { fd.WriteLine(td.td_rowsperstrip); } } if (TIFFFieldSet(tif, FIELD.MINSAMPLEVALUE)) { fd.WriteLine(" Min Sample Value: {0}", td.td_minsamplevalue); } if (TIFFFieldSet(tif, FIELD.MAXSAMPLEVALUE)) { fd.WriteLine(" Max Sample Value: {0}", td.td_maxsamplevalue); } if (TIFFFieldSet(tif, FIELD.SMINSAMPLEVALUE)) { fd.WriteLine(" SMin Sample Value: {0}", td.td_sminsamplevalue); } if (TIFFFieldSet(tif, FIELD.SMAXSAMPLEVALUE)) { fd.WriteLine(" SMax Sample Value: {0}", td.td_smaxsamplevalue); } if (TIFFFieldSet(tif, FIELD.PLANARCONFIG)) { fd.Write(" Planar Configuration: "); switch (td.td_planarconfig) { case PLANARCONFIG.CONTIG: fd.WriteLine("single image plane"); break; case PLANARCONFIG.SEPARATE: fd.WriteLine("separate image planes"); break; default: fd.WriteLine("{0} (0x{0:X})", td.td_planarconfig); break; } } if (TIFFFieldSet(tif, FIELD.PAGENUMBER)) { fd.WriteLine(" Page Number: {0}-{1}", td.td_pagenumber[0], td.td_pagenumber[1]); } if (TIFFFieldSet(tif, FIELD.COLORMAP)) { fd.Write(" Color Map: "); if ((flags & TIFFPRINT.COLORMAP) != 0) { fd.WriteLine(); uint n = 1u << td.td_bitspersample; for (uint l = 0; l < n; l++) { fd.WriteLine("\t{0}: {1} {2} {3}", l, td.td_colormap[0][l], td.td_colormap[1][l], td.td_colormap[2][l]); } } else { fd.WriteLine("(present)"); } } if (TIFFFieldSet(tif, FIELD.TRANSFERFUNCTION)) { fd.Write(" Transfer Function: "); if ((flags & TIFFPRINT.CURVES) != 0) { fd.WriteLine(); uint n = 1u << td.td_bitspersample; for (uint l = 0; l < n; l++) { fd.Write("\t{0}: {1}", l, td.td_transferfunction[0][l]); for (int i = 1; i < td.td_samplesperpixel; i++) { fd.Write(" {0}", td.td_transferfunction[i][l]); } fd.WriteLine(); } } else { fd.WriteLine("(present)"); } } if (TIFFFieldSet(tif, FIELD.SUBIFD) && td.td_subifd != null && td.td_subifd.Length != 0) { fd.Write(" SubIFD Offsets:"); for (int i = 0; i < td.td_nsubifd; i++) { fd.Write(" {0}", td.td_subifd[i]); } fd.WriteLine(); } // Custom tag support. short count = (short)TIFFGetTagListCount(tif); for (int i = 0; i < count; i++) { TIFFTAG tag = TIFFGetTagListEntry(tif, i); TIFFFieldInfo fip = TIFFFieldWithTag(tif, tag); if (fip == null) { continue; } uint value_count; object raw_data = null; if (fip.field_passcount) { object[] ap = new object[2]; if (!TIFFGetField(tif, tag, ap)) { continue; } value_count = __GetAsUshort(ap, 0); raw_data = ap[1]; } else { if (fip.field_readcount == TIFF_VARIABLE) { value_count = 1; } else if (fip.field_readcount == TIFF_SPP) { value_count = td.td_samplesperpixel; } else { value_count = (ushort)fip.field_readcount; } if (fip.field_type == TIFFDataType.TIFF_ASCII || fip.field_readcount == TIFF_VARIABLE || fip.field_readcount == TIFF_SPP || value_count > 1) { object[] ap = new object[2]; if (!TIFFGetField(tif, tag, ap)) { continue; } raw_data = ap[0]; } else { object[] ap = new object[value_count]; if (!TIFFGetField(tif, tag, ap)) { continue; } switch (fip.field_type) { case TIFFDataType.TIFF_UNDEFINED: case TIFFDataType.TIFF_BYTE: { byte[] raw_data1 = new byte[value_count]; for (int a = 0; a < value_count; a++) { raw_data1[a] = __GetAsByte(ap, a); } raw_data = raw_data1; } break; case TIFFDataType.TIFF_DOUBLE: case TIFFDataType.TIFF_RATIONAL: case TIFFDataType.TIFF_SRATIONAL: { double[] raw_data1 = new double[value_count]; for (int a = 0; a < value_count; a++) { raw_data1[a] = __GetAsDouble(ap, a); } raw_data = raw_data1; } break; case TIFFDataType.TIFF_SBYTE: { sbyte[] raw_data1 = new sbyte[value_count]; for (int a = 0; a < value_count; a++) { raw_data1[a] = __GetAsSbyte(ap, a); } raw_data = raw_data1; } break; case TIFFDataType.TIFF_SHORT: { ushort[] raw_data1 = new ushort[value_count]; for (int a = 0; a < value_count; a++) { raw_data1[a] = __GetAsUshort(ap, a); } raw_data = raw_data1; } break; case TIFFDataType.TIFF_SSHORT: { short[] raw_data1 = new short[value_count]; for (int a = 0; a < value_count; a++) { raw_data1[a] = __GetAsShort(ap, a); } raw_data = raw_data1; } break; case TIFFDataType.TIFF_IFD: case TIFFDataType.TIFF_LONG: { uint[] raw_data1 = new uint[value_count]; for (int a = 0; a < value_count; a++) { raw_data1[a] = __GetAsUint(ap, a); } raw_data = raw_data1; } break; case TIFFDataType.TIFF_SLONG: { int[] raw_data1 = new int[value_count]; for (int a = 0; a < value_count; a++) { raw_data1[a] = __GetAsInt(ap, a); } raw_data = raw_data1; } break; case TIFFDataType.TIFF_FLOAT: { float[] raw_data1 = new float[value_count]; for (int a = 0; a < value_count; a++) { raw_data1[a] = __GetAsFloat(ap, a); } raw_data = raw_data1; } break; } } } // Catch the tags which needs to be specially handled and // pretty print them. If tag not handled in // _TIFFPrettyPrintField() fall down and print it as any other tag. if (TIFFPrettyPrintField(tif, fd, tag, value_count, raw_data)) { continue; } else { TIFFPrintField(fd, fip, value_count, raw_data); } } if (tif.tif_tagmethods.printdir != null) { tif.tif_tagmethods.printdir(tif, fd, flags); } if ((flags & TIFFPRINT.STRIPS) != 0 && TIFFFieldSet(tif, FIELD.STRIPOFFSETS)) { fd.WriteLine(" {0} {1}:", td.td_nstrips, isTiled(tif)?"Tiles":"Strips"); for (uint s = 0; s < td.td_nstrips; s++) { fd.WriteLine("\t{0}: [{1}, {2}]", s, td.td_stripoffset[s], td.td_stripbytecount[s]); } } }