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]);
}
}
}