static int getDpi(TiffField fd, int resolutionUnit)
{
if (fd == null)
{
return(0);
}
long[] res = fd.GetAsRational(0);
float frac = res[0] / (float)res[1];
int dpi = 0;
switch (resolutionUnit)
{
case TiffConstants.RESUNIT_INCH:
case TiffConstants.RESUNIT_NONE:
dpi = (int)(frac + 0.5);
break;
case TiffConstants.RESUNIT_CENTIMETER:
dpi = (int)(frac * 2.54 + 0.5);
break;
}
return(dpi);
}
static long[] getArrayLongShort(TiffDirectory dir, int tag)
{
TiffField field = dir.GetField(tag);
if (field == null)
{
return(null);
}
long[] offset;
if (field.GetType() == TiffField.TIFF_LONG)
{
offset = field.GetAsLongs();
}
else
{ // must be short
char[] temp = field.GetAsChars();
offset = new long[temp.Length];
for (int k = 0; k < temp.Length; ++k)
{
offset[k] = temp[k];
}
}
return(offset);
}
private void initialize(RandomAccessFileOrArray stream)
{
var nextTagOffset = 0L;
long maxOffset = stream.Length;
int i, j;
_ifdOffset = stream.FilePointer;
_numEntries = readUnsignedShort(stream);
_fields = new TiffField[_numEntries];
for (i = 0; (i < _numEntries) && (nextTagOffset < maxOffset); i++)
{
var tag = readUnsignedShort(stream);
var type = readUnsignedShort(stream);
var count = (int)(readUnsignedInt(stream));
var processTag = true;
// The place to return to to read the next tag
nextTagOffset = stream.FilePointer + 4;
try
{
// If the tag data can't fit in 4 bytes, the next 4 bytes
// contain the starting offset of the data
if (count * _sizeOfType[type] > 4)
{
var valueOffset = readUnsignedInt(stream);
// bounds check offset for EOF
if (valueOffset < maxOffset)
{
stream.Seek(valueOffset);
}
else
{
// bad offset pointer .. skip tag
processTag = false;
}
}
}
catch (ArgumentOutOfRangeException)
{
// if the data type is unknown we should skip this TIFF Field
processTag = false;
}
if (processTag)
{
_fieldIndex[tag] = i;
object obj = null;
switch (type)
{
case TiffField.TIFF_BYTE:
case TiffField.TIFF_SBYTE:
case TiffField.TIFF_UNDEFINED:
case TiffField.TIFF_ASCII:
var bvalues = new byte[count];
stream.ReadFully(bvalues, 0, count);
if (type == TiffField.TIFF_ASCII)
{
// Can be multiple strings
int index = 0, prevIndex = 0;
var v = new ArrayList();
while (index < count)
{
while ((index < count) && (bvalues[index++] != 0))
{
;
}
// When we encountered zero, means one string has ended
var cht = new char[index - prevIndex];
Array.Copy(bvalues, prevIndex, cht, 0, index - prevIndex);
v.Add(new string(cht));
prevIndex = index;
}
count = v.Count;
var strings = new string[count];
for (var c = 0; c < count; c++)
{
strings[c] = (string)v[c];
}
obj = strings;
}
else
{
obj = bvalues;
}
break;
case TiffField.TIFF_SHORT:
var cvalues = new char[count];
for (j = 0; j < count; j++)
{
cvalues[j] = (char)(readUnsignedShort(stream));
}
obj = cvalues;
break;
case TiffField.TIFF_LONG:
var lvalues = new long[count];
for (j = 0; j < count; j++)
{
lvalues[j] = readUnsignedInt(stream);
}
obj = lvalues;
break;
case TiffField.TIFF_RATIONAL:
var llvalues = new long[count][];
for (j = 0; j < count; j++)
{
var v0 = readUnsignedInt(stream);
var v1 = readUnsignedInt(stream);
llvalues[j] = new[] { v0, v1 };
}
obj = llvalues;
break;
case TiffField.TIFF_SSHORT:
var svalues = new short[count];
for (j = 0; j < count; j++)
{
svalues[j] = readShort(stream);
}
obj = svalues;
break;
case TiffField.TIFF_SLONG:
var ivalues = new int[count];
for (j = 0; j < count; j++)
{
ivalues[j] = readInt(stream);
}
obj = ivalues;
break;
case TiffField.TIFF_SRATIONAL:
var iivalues = new int[count, 2];
for (j = 0; j < count; j++)
{
iivalues[j, 0] = readInt(stream);
iivalues[j, 1] = readInt(stream);
}
obj = iivalues;
break;
case TiffField.TIFF_FLOAT:
var fvalues = new float[count];
for (j = 0; j < count; j++)
{
fvalues[j] = readFloat(stream);
}
obj = fvalues;
break;
case TiffField.TIFF_DOUBLE:
var dvalues = new double[count];
for (j = 0; j < count; j++)
{
dvalues[j] = readDouble(stream);
}
obj = dvalues;
break;
default:
break;
}
_fields[i] = new TiffField(tag, type, count, obj);
}
stream.Seek(nextTagOffset);
}
// Read the offset of the next IFD.
try
{
_nextIfdOffset = readUnsignedInt(stream);
}
catch
{
// broken tiffs may not have this pointer
_nextIfdOffset = 0;
}
}
/// <summary>
/// Reads a page from a TIFF image.
/// by direct byte copying. It's faster but may not work
/// every time
/// </summary>
/// <param name="s">the file source</param>
/// <param name="page">the page to get. The first page is 1</param>
/// <param name="direct">for single strip, CCITT images, generate the image</param>
/// <returns>the Image </returns>
public static Image GetTiffImage(RandomAccessFileOrArray s, int page, bool direct)
{
if (page < 1)
{
throw new InvalidOperationException("The page number must be >= 1.");
}
TiffDirectory dir = new TiffDirectory(s, page - 1);
if (dir.IsTagPresent(TiffConstants.TIFFTAG_TILEWIDTH))
{
throw new InvalidOperationException("Tiles are not supported.");
}
int compression = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_COMPRESSION);
switch (compression)
{
case TiffConstants.COMPRESSION_CCITTRLEW:
case TiffConstants.COMPRESSION_CCITTRLE:
case TiffConstants.COMPRESSION_CCITTFAX3:
case TiffConstants.COMPRESSION_CCITTFAX4:
break;
default:
return(GetTiffImageColor(dir, s));
}
float rotation = 0;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_ORIENTATION))
{
int rot = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_ORIENTATION);
if (rot == TiffConstants.ORIENTATION_BOTRIGHT || rot == TiffConstants.ORIENTATION_BOTLEFT)
{
rotation = (float)Math.PI;
}
else if (rot == TiffConstants.ORIENTATION_LEFTTOP || rot == TiffConstants.ORIENTATION_LEFTBOT)
{
rotation = (float)(Math.PI / 2.0);
}
else if (rot == TiffConstants.ORIENTATION_RIGHTTOP || rot == TiffConstants.ORIENTATION_RIGHTBOT)
{
rotation = -(float)(Math.PI / 2.0);
}
}
Image img = null;
long tiffT4Options = 0;
long tiffT6Options = 0;
int fillOrder = 1;
int h = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_IMAGELENGTH);
int w = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_IMAGEWIDTH);
int dpiX = 0;
int dpiY = 0;
float xyRatio = 0;
int resolutionUnit = TiffConstants.RESUNIT_INCH;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_RESOLUTIONUNIT))
{
resolutionUnit = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_RESOLUTIONUNIT);
}
dpiX = getDpi(dir.GetField(TiffConstants.TIFFTAG_XRESOLUTION), resolutionUnit);
dpiY = getDpi(dir.GetField(TiffConstants.TIFFTAG_YRESOLUTION), resolutionUnit);
if (resolutionUnit == TiffConstants.RESUNIT_NONE)
{
if (dpiY != 0)
{
xyRatio = dpiX / (float)dpiY;
}
dpiX = 0;
dpiY = 0;
}
int rowsStrip = h;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_ROWSPERSTRIP))
{
rowsStrip = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_ROWSPERSTRIP);
}
if (rowsStrip <= 0 || rowsStrip > h)
{
rowsStrip = h;
}
long[] offset = getArrayLongShort(dir, TiffConstants.TIFFTAG_STRIPOFFSETS);
long[] size = getArrayLongShort(dir, TiffConstants.TIFFTAG_STRIPBYTECOUNTS);
if ((size == null || (size.Length == 1 && (size[0] == 0 || size[0] + offset[0] > s.Length))) && h == rowsStrip)
{ // some TIFF producers are really lousy, so...
size = new long[] { s.Length - (int)offset[0] };
}
bool reverse = false;
TiffField fillOrderField = dir.GetField(TiffConstants.TIFFTAG_FILLORDER);
if (fillOrderField != null)
{
fillOrder = fillOrderField.GetAsInt(0);
}
reverse = (fillOrder == TiffConstants.FILLORDER_LSB2MSB);
int paramsn = 0;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_PHOTOMETRIC))
{
long photo = dir.GetFieldAsLong(TiffConstants.TIFFTAG_PHOTOMETRIC);
if (photo == TiffConstants.PHOTOMETRIC_MINISBLACK)
{
paramsn |= Element.CCITT_BLACKIS1;
}
}
int imagecomp = 0;
switch (compression)
{
case TiffConstants.COMPRESSION_CCITTRLEW:
case TiffConstants.COMPRESSION_CCITTRLE:
imagecomp = Element.CCITTG3_1D;
paramsn |= Element.CCITT_ENCODEDBYTEALIGN | Element.CCITT_ENDOFBLOCK;
break;
case TiffConstants.COMPRESSION_CCITTFAX3:
imagecomp = Element.CCITTG3_1D;
paramsn |= Element.CCITT_ENDOFLINE | Element.CCITT_ENDOFBLOCK;
TiffField t4OptionsField = dir.GetField(TiffConstants.TIFFTAG_GROUP3OPTIONS);
if (t4OptionsField != null)
{
tiffT4Options = t4OptionsField.GetAsLong(0);
if ((tiffT4Options & TiffConstants.GROUP3OPT_2DENCODING) != 0)
{
imagecomp = Element.CCITTG3_2D;
}
if ((tiffT4Options & TiffConstants.GROUP3OPT_FILLBITS) != 0)
{
paramsn |= Element.CCITT_ENCODEDBYTEALIGN;
}
}
break;
case TiffConstants.COMPRESSION_CCITTFAX4:
imagecomp = Element.CCITTG4;
TiffField t6OptionsField = dir.GetField(TiffConstants.TIFFTAG_GROUP4OPTIONS);
if (t6OptionsField != null)
{
tiffT6Options = t6OptionsField.GetAsLong(0);
}
break;
}
if (direct && rowsStrip == h)
{ //single strip, direct
byte[] im = new byte[(int)size[0]];
s.Seek(offset[0]);
s.ReadFully(im);
img = Image.GetInstance(w, h, false, imagecomp, paramsn, im);
img.Inverted = true;
}
else
{
int rowsLeft = h;
Ccittg4Encoder g4 = new Ccittg4Encoder(w);
for (int k = 0; k < offset.Length; ++k)
{
byte[] im = new byte[(int)size[k]];
s.Seek(offset[k]);
s.ReadFully(im);
int height = Math.Min(rowsStrip, rowsLeft);
TiffFaxDecoder decoder = new TiffFaxDecoder(fillOrder, w, height);
byte[] outBuf = new byte[(w + 7) / 8 * height];
switch (compression)
{
case TiffConstants.COMPRESSION_CCITTRLEW:
case TiffConstants.COMPRESSION_CCITTRLE:
decoder.Decode1D(outBuf, im, 0, height);
g4.Fax4Encode(outBuf, height);
break;
case TiffConstants.COMPRESSION_CCITTFAX3:
try
{
decoder.Decode2D(outBuf, im, 0, height, tiffT4Options);
}
catch (Exception e)
{
// let's flip the fill bits and try again...
tiffT4Options ^= TiffConstants.GROUP3OPT_FILLBITS;
try
{
decoder.Decode2D(outBuf, im, 0, height, tiffT4Options);
}
catch
{
throw e;
}
}
g4.Fax4Encode(outBuf, height);
break;
case TiffConstants.COMPRESSION_CCITTFAX4:
decoder.DecodeT6(outBuf, im, 0, height, tiffT6Options);
g4.Fax4Encode(outBuf, height);
break;
}
rowsLeft -= rowsStrip;
}
byte[] g4Pic = g4.Close();
img = Image.GetInstance(w, h, false, Element.CCITTG4, paramsn & Element.CCITT_BLACKIS1, g4Pic);
}
img.SetDpi(dpiX, dpiY);
img.XyRatio = xyRatio;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_ICCPROFILE))
{
try
{
TiffField fd = dir.GetField(TiffConstants.TIFFTAG_ICCPROFILE);
IccProfile iccProf = IccProfile.GetInstance(fd.GetAsBytes());
if (iccProf.NumComponents == 1)
{
img.TagIcc = iccProf;
}
}
catch
{
//empty
}
}
img.OriginalType = Image.ORIGINAL_TIFF;
if (rotation.ApproxNotEqual(0))
{
img.InitialRotation = rotation;
}
return(img);
}
protected static Image GetTiffImageColor(TiffDirectory dir, RandomAccessFileOrArray s)
{
int predictor = 1;
TifflzwDecoder lzwDecoder = null;
int compression = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_COMPRESSION);
switch (compression)
{
case TiffConstants.COMPRESSION_NONE:
case TiffConstants.COMPRESSION_LZW:
case TiffConstants.COMPRESSION_PACKBITS:
case TiffConstants.COMPRESSION_DEFLATE:
case TiffConstants.COMPRESSION_ADOBE_DEFLATE:
case TiffConstants.COMPRESSION_OJPEG:
case TiffConstants.COMPRESSION_JPEG:
break;
default:
throw new InvalidOperationException("The compression " + compression + " is not supported.");
}
int photometric = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_PHOTOMETRIC);
switch (photometric)
{
case TiffConstants.PHOTOMETRIC_MINISWHITE:
case TiffConstants.PHOTOMETRIC_MINISBLACK:
case TiffConstants.PHOTOMETRIC_RGB:
case TiffConstants.PHOTOMETRIC_SEPARATED:
case TiffConstants.PHOTOMETRIC_PALETTE:
break;
default:
if (compression != TiffConstants.COMPRESSION_OJPEG && compression != TiffConstants.COMPRESSION_JPEG)
{
throw new InvalidOperationException("The photometric " + photometric + " is not supported.");
}
break;
}
float rotation = 0;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_ORIENTATION))
{
int rot = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_ORIENTATION);
if (rot == TiffConstants.ORIENTATION_BOTRIGHT || rot == TiffConstants.ORIENTATION_BOTLEFT)
{
rotation = (float)Math.PI;
}
else if (rot == TiffConstants.ORIENTATION_LEFTTOP || rot == TiffConstants.ORIENTATION_LEFTBOT)
{
rotation = (float)(Math.PI / 2.0);
}
else if (rot == TiffConstants.ORIENTATION_RIGHTTOP || rot == TiffConstants.ORIENTATION_RIGHTBOT)
{
rotation = -(float)(Math.PI / 2.0);
}
}
if (dir.IsTagPresent(TiffConstants.TIFFTAG_PLANARCONFIG) &&
dir.GetFieldAsLong(TiffConstants.TIFFTAG_PLANARCONFIG) == TiffConstants.PLANARCONFIG_SEPARATE)
{
throw new InvalidOperationException("Planar images are not supported.");
}
if (dir.IsTagPresent(TiffConstants.TIFFTAG_EXTRASAMPLES))
{
throw new InvalidOperationException("Extra samples are not supported.");
}
int samplePerPixel = 1;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_SAMPLESPERPIXEL)) // 1,3,4
{
samplePerPixel = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_SAMPLESPERPIXEL);
}
int bitsPerSample = 1;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_BITSPERSAMPLE))
{
bitsPerSample = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_BITSPERSAMPLE);
}
switch (bitsPerSample)
{
case 1:
case 2:
case 4:
case 8:
break;
default:
throw new InvalidOperationException("Bits per sample " + bitsPerSample + " is not supported.");
}
Image img = null;
int h = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_IMAGELENGTH);
int w = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_IMAGEWIDTH);
int dpiX = 0;
int dpiY = 0;
int resolutionUnit = TiffConstants.RESUNIT_INCH;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_RESOLUTIONUNIT))
{
resolutionUnit = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_RESOLUTIONUNIT);
}
dpiX = getDpi(dir.GetField(TiffConstants.TIFFTAG_XRESOLUTION), resolutionUnit);
dpiY = getDpi(dir.GetField(TiffConstants.TIFFTAG_YRESOLUTION), resolutionUnit);
int fillOrder = 1;
bool reverse = false;
TiffField fillOrderField = dir.GetField(TiffConstants.TIFFTAG_FILLORDER);
if (fillOrderField != null)
{
fillOrder = fillOrderField.GetAsInt(0);
}
reverse = (fillOrder == TiffConstants.FILLORDER_LSB2MSB);
int rowsStrip = h;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_ROWSPERSTRIP)) //another hack for broken tiffs
{
rowsStrip = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_ROWSPERSTRIP);
}
if (rowsStrip <= 0 || rowsStrip > h)
{
rowsStrip = h;
}
long[] offset = getArrayLongShort(dir, TiffConstants.TIFFTAG_STRIPOFFSETS);
long[] size = getArrayLongShort(dir, TiffConstants.TIFFTAG_STRIPBYTECOUNTS);
if ((size == null || (size.Length == 1 && (size[0] == 0 || size[0] + offset[0] > s.Length))) && h == rowsStrip)
{ // some TIFF producers are really lousy, so...
size = new long[] { s.Length - (int)offset[0] };
}
if (compression == TiffConstants.COMPRESSION_LZW)
{
TiffField predictorField = dir.GetField(TiffConstants.TIFFTAG_PREDICTOR);
if (predictorField != null)
{
predictor = predictorField.GetAsInt(0);
if (predictor != 1 && predictor != 2)
{
throw new InvalidOperationException("Illegal value for Predictor in TIFF file.");
}
if (predictor == 2 && bitsPerSample != 8)
{
throw new InvalidOperationException(bitsPerSample + "-bit samples are not supported for Horizontal differencing Predictor.");
}
}
lzwDecoder = new TifflzwDecoder(w, predictor,
samplePerPixel);
}
int rowsLeft = h;
MemoryStream stream = null;
ZDeflaterOutputStream zip = null;
Ccittg4Encoder g4 = null;
if (bitsPerSample == 1 && samplePerPixel == 1)
{
g4 = new Ccittg4Encoder(w);
}
else
{
stream = new MemoryStream();
if (compression != TiffConstants.COMPRESSION_OJPEG && compression != TiffConstants.COMPRESSION_JPEG)
{
zip = new ZDeflaterOutputStream(stream);
}
}
if (compression == TiffConstants.COMPRESSION_OJPEG)
{
// Assume that the TIFFTAG_JPEGIFBYTECOUNT tag is optional, since it's obsolete and
// is often missing
if ((!dir.IsTagPresent(TiffConstants.TIFFTAG_JPEGIFOFFSET)))
{
throw new IOException("Missing tag(s) for OJPEG compression.");
}
int jpegOffset = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_JPEGIFOFFSET);
int jpegLength = s.Length - jpegOffset;
if (dir.IsTagPresent(TiffConstants.TIFFTAG_JPEGIFBYTECOUNT))
{
jpegLength = (int)dir.GetFieldAsLong(TiffConstants.TIFFTAG_JPEGIFBYTECOUNT) +
(int)size[0];
}
byte[] jpeg = new byte[Math.Min(jpegLength, s.Length - jpegOffset)];
int posFilePointer = s.FilePointer;
posFilePointer += jpegOffset;
s.Seek(posFilePointer);
s.ReadFully(jpeg);
img = new Jpeg(jpeg);
}
else if (compression == TiffConstants.COMPRESSION_JPEG)
{
if (size.Length > 1)
{
throw new IOException("Compression JPEG is only supported with a single strip. This image has " + size.Length + " strips.");
}
byte[] jpeg = new byte[(int)size[0]];
s.Seek(offset[0]);
s.ReadFully(jpeg);
img = new Jpeg(jpeg);
}
else
{
for (int k = 0; k < offset.Length; ++k)
{
byte[] im = new byte[(int)size[k]];
s.Seek(offset[k]);
s.ReadFully(im);
int height = Math.Min(rowsStrip, rowsLeft);
byte[] outBuf = null;
if (compression != TiffConstants.COMPRESSION_NONE)
{
outBuf = new byte[(w * bitsPerSample * samplePerPixel + 7) / 8 * height];
}
if (reverse)
{
TiffFaxDecoder.ReverseBits(im);
}
switch (compression)
{
case TiffConstants.COMPRESSION_DEFLATE:
case TiffConstants.COMPRESSION_ADOBE_DEFLATE:
Inflate(im, outBuf);
break;
case TiffConstants.COMPRESSION_NONE:
outBuf = im;
break;
case TiffConstants.COMPRESSION_PACKBITS:
DecodePackbits(im, outBuf);
break;
case TiffConstants.COMPRESSION_LZW:
lzwDecoder.Decode(im, outBuf, height);
break;
}
if (bitsPerSample == 1 && samplePerPixel == 1)
{
g4.Fax4Encode(outBuf, height);
}
else
{
zip.Write(outBuf, 0, outBuf.Length);
}
rowsLeft -= rowsStrip;
}
if (bitsPerSample == 1 && samplePerPixel == 1)
{
img = Image.GetInstance(w, h, false, Element.CCITTG4,
photometric == TiffConstants.PHOTOMETRIC_MINISBLACK ? Element.CCITT_BLACKIS1 : 0, g4.Close());
}
else
{
zip.Close();
img = Image.GetInstance(w, h, samplePerPixel, bitsPerSample, stream.ToArray());
img.Deflated = true;
}
}
img.SetDpi(dpiX, dpiY);
if (compression != TiffConstants.COMPRESSION_OJPEG && compression != TiffConstants.COMPRESSION_JPEG)
{
if (dir.IsTagPresent(TiffConstants.TIFFTAG_ICCPROFILE))
{
try
{
TiffField fd = dir.GetField(TiffConstants.TIFFTAG_ICCPROFILE);
IccProfile iccProf = IccProfile.GetInstance(fd.GetAsBytes());
if (samplePerPixel == iccProf.NumComponents)
{
img.TagIcc = iccProf;
}
}
catch
{
//empty
}
}
if (dir.IsTagPresent(TiffConstants.TIFFTAG_COLORMAP))
{
TiffField fd = dir.GetField(TiffConstants.TIFFTAG_COLORMAP);
char[] rgb = fd.GetAsChars();
byte[] palette = new byte[rgb.Length];
int gColor = rgb.Length / 3;
int bColor = gColor * 2;
for (int k = 0; k < gColor; ++k)
{
palette[k * 3] = (byte)(rgb[k] >> 8);
palette[k * 3 + 1] = (byte)(rgb[k + gColor] >> 8);
palette[k * 3 + 2] = (byte)(rgb[k + bColor] >> 8);
}
PdfArray indexed = new PdfArray();
indexed.Add(PdfName.Indexed);
indexed.Add(PdfName.Devicergb);
indexed.Add(new PdfNumber(gColor - 1));
indexed.Add(new PdfString(palette));
PdfDictionary additional = new PdfDictionary();
additional.Put(PdfName.Colorspace, indexed);
img.Additional = additional;
}
img.OriginalType = Image.ORIGINAL_TIFF;
}
if (photometric == TiffConstants.PHOTOMETRIC_MINISWHITE)
{
img.Inverted = true;
}
if (rotation.ApproxNotEqual(0))
{
img.InitialRotation = rotation;
}
return(img);
}
