public TiffGrid(string FileName)
{
string fname = Path.GetFullPath(FileName);
tiff = Tiff.Open(FileName, "r");
var val = tiff.GetField((TiffTag)33922)[1].ToDoubleArray();
XOrigin = val[3];
YOrigin = val[4]; //Upper basegrid assumes Lower
val = tiff.GetField((TiffTag)33550)[1].ToDoubleArray();
GridSize = val[0];
GridSize = val[1];
NumberOfColumns = tiff.GetField(TiffTag.IMAGEWIDTH)[0].ToInt();
NumberOfRows = tiff.GetField(TiffTag.IMAGELENGTH)[0].ToInt();
scanline = new byte[tiff.ScanlineSize()];
bits = tiff.ScanlineSize() / NumberOfColumns;
ScanLineCache = new Dictionary<int, byte[]>();
}
public TiffGrid(string filename, string NewFileName)
{
ValuesToWrite = new Dictionary<int, Dictionary<int, double>>();
tiff_org = BitMiracle.LibTiff.Classic.Tiff.Open(Path.GetFullPath(filename), "r");
tiff = BitMiracle.LibTiff.Classic.Tiff.Open(Path.GetFullPath(NewFileName), "w");
foreach (TiffTag enu in Enum.GetValues(typeof(TiffTag)))
{
var val = tiff_org.GetField(enu);
if (val != null & enu != TiffTag.EXTRASAMPLES)
tiff.SetField(enu, val[0]);
}
for (int i = 0; i < tiff_org.GetTagListCount(); i++)
{
int k = tiff_org.GetTagListEntry(i);
var ff = tiff_org.FindFieldInfo((TiffTag)k, TiffType.ANY);
tiff.MergeFieldInfo(new TiffFieldInfo[] { ff }, 1);
var val = tiff_org.GetField((TiffTag)tiff_org.GetTagListEntry(i));
tiff.SetField((TiffTag)k, val[0], val[1]);
}
var val2 = tiff_org.GetField((TiffTag)33922)[1].ToDoubleArray();
XOrigin = val2[3];
YOrigin = val2[4]; //Upper basegrid assumes Lower
val2 = tiff_org.GetField((TiffTag)33550)[1].ToDoubleArray();
GridSize = val2[0];
GridSize = val2[1];
NumberOfColumns = tiff_org.GetField(TiffTag.IMAGEWIDTH)[0].ToInt();
NumberOfRows = tiff_org.GetField(TiffTag.IMAGELENGTH)[0].ToInt();
//Shift YOrigin to lower left
YOrigin -= GridSize * NumberOfRows;
scanline = new byte[tiff_org.ScanlineSize()];
bits = scanline.Count() / NumberOfColumns;
ScanLineCache = new Dictionary<int, byte[]>();
}
/*
* Separate -> contig by row.
*/
bool cpSeparate2ContigByRow(Tiff inImage, Tiff outImage, int imagelength, int imagewidth, short spp)
{
byte[] inbuf = new byte[inImage.ScanlineSize()];
byte[] outbuf = new byte[outImage.ScanlineSize()];
for (int row = 0; row < imagelength; row++)
{
/* merge channels */
for (short s = 0; s < spp; s++)
{
if (!inImage.ReadScanline(inbuf, row, s) && !m_ignore)
{
Tiff.Error(inImage.FileName(), "Error, can't read scanline {0}", row);
return false;
}
int inp = 0;
int outp = s;
for (int n = imagewidth; n-- > 0; )
{
outbuf[outp] = inbuf[inp];
inp++;
outp += spp;
}
}
if (!outImage.WriteScanline(outbuf, row, 0))
{
Tiff.Error(outImage.FileName(), "Error, can't write scanline {0}", row);
return false;
}
}
return true;
}
/*
* Separate -> separate by row for rows/strip change.
*/
bool cpSeparate2SeparateByRow(Tiff inImage, Tiff outImage, int imagelength, int imagewidth, short spp)
{
byte[] buf = new byte[inImage.ScanlineSize()];
for (short s = 0; s < spp; s++)
{
for (int row = 0; row < imagelength; row++)
{
if (!inImage.ReadScanline(buf, row, s) && !m_ignore)
{
Tiff.Error(inImage.FileName(), "Error, can't read scanline {0}", row);
return false;
}
if (!outImage.WriteScanline(buf, row, s))
{
Tiff.Error(outImage.FileName(), "Error, can't write scanline {0}", row);
return false;
}
}
}
return true;
}
/*
* Contig -> contig by scanline while subtracting a bias image.
*/
bool cpBiasedContig2Contig(Tiff inImage, Tiff outImage, int imagelength, int imagewidth, short spp)
{
if (spp == 1)
{
int biasSize = m_bias.ScanlineSize();
int bufSize = inImage.ScanlineSize();
FieldValue[] result = m_bias.GetField(TiffTag.IMAGEWIDTH);
int biasWidth = result[0].ToInt();
result = m_bias.GetField(TiffTag.IMAGELENGTH);
int biasLength = result[0].ToInt();
if (biasSize == bufSize && imagelength == biasLength && imagewidth == biasWidth)
{
result = inImage.GetField(TiffTag.BITSPERSAMPLE);
short sampleBits = result[0].ToShort();
if (sampleBits == 8 || sampleBits == 16 || sampleBits == 32)
{
byte[] buf = new byte[bufSize];
byte[] biasBuf = new byte[bufSize];
for (int row = 0; row < imagelength; row++)
{
if (!inImage.ReadScanline(buf, row, 0) && !m_ignore)
{
Tiff.Error(inImage.FileName(), "Error, can't read scanline {0}", row);
return false;
}
if (!m_bias.ReadScanline(biasBuf, row, 0) && !m_ignore)
{
Tiff.Error(inImage.FileName(), "Error, can't read biased scanline {0}", row);
return false;
}
if (sampleBits == 8)
subtract8(buf, biasBuf, imagewidth);
else if (sampleBits == 16)
subtract16(buf, biasBuf, imagewidth);
else if (sampleBits == 32)
subtract32(buf, biasBuf, imagewidth);
if (!outImage.WriteScanline(buf, row, 0))
{
Tiff.Error(outImage.FileName(), "Error, can't write scanline {0}", row);
return false;
}
}
m_bias.SetDirectory(m_bias.CurrentDirectory()); /* rewind */
return true;
}
else
{
Tiff.Error(inImage.FileName(), "No support for biasing {0} bit pixels\n", sampleBits);
return false;
}
}
Tiff.Error(inImage.FileName(), "Bias image {0},{1}\nis not the same size as {2},{3}\n",
m_bias.FileName(), m_bias.CurrentDirectory(), inImage.FileName(), inImage.CurrentDirectory());
return false;
}
else
{
Tiff.Error(inImage.FileName(), "Can't bias {0},{1} as it has >1 Sample/Pixel\n",
inImage.FileName(), inImage.CurrentDirectory());
return false;
}
}
bool writeBufferToSeparateTiles(Tiff outImage, byte[] buf, int imagelength, int imagewidth, short spp)
{
byte[] obuf = new byte[outImage.TileSize()];
FieldValue[] result = outImage.GetField(TiffTag.TILELENGTH);
int tl = result[0].ToInt();
result = outImage.GetField(TiffTag.TILEWIDTH);
int tw = result[0].ToInt();
result = outImage.GetField(TiffTag.BITSPERSAMPLE);
short bps = result[0].ToShort();
Debug.Assert(bps % 8 == 0);
short bytes_per_sample = (short)(bps / 8);
int imagew = outImage.ScanlineSize();
int tilew = outImage.TileRowSize();
int iimagew = outImage.RasterScanlineSize();
int iskew = iimagew - tilew * spp;
int bufp = 0;
for (int row = 0; row < imagelength; row += tl)
{
int nrow = (row + tl > imagelength) ? imagelength - row : tl;
int colb = 0;
for (int col = 0; col < imagewidth; col += tw)
{
for (short s = 0; s < spp; s++)
{
/*
* Tile is clipped horizontally. Calculate
* visible portion and skewing factors.
*/
if (colb + tilew > imagew)
{
int width = imagew - colb;
int oskew = tilew - width;
cpContigBufToSeparateBuf(obuf, buf, bufp + (colb * spp) + s, nrow, width / bytes_per_sample, oskew, (oskew * spp) + iskew, spp, bytes_per_sample);
}
else
cpContigBufToSeparateBuf(obuf, buf, bufp + (colb * spp) + s, nrow, m_tilewidth, 0, iskew, spp, bytes_per_sample);
if (outImage.WriteTile(obuf, col, row, 0, s) < 0)
{
Tiff.Error(outImage.FileName(), "Error, can't write tile at {0} {1} sample {2}", col, row, s);
return false;
}
}
colb += tilew;
}
bufp += nrow * iimagew;
}
return true;
}
bool writeBufferToContigTiles(Tiff outImage, byte[] buf, int imagelength, int imagewidth, short spp)
{
byte[] obuf = new byte[outImage.TileSize()];
FieldValue[] result = outImage.GetField(TiffTag.TILELENGTH);
int tl = result[0].ToInt();
result = outImage.GetField(TiffTag.TILEWIDTH);
int tw = result[0].ToInt();
int imagew = outImage.ScanlineSize();
int tilew = outImage.TileRowSize();
int iskew = imagew - tilew;
int bufp = 0;
for (int row = 0; row < imagelength; row += m_tilelength)
{
int nrow = (row + tl > imagelength) ? imagelength - row : tl;
int colb = 0;
for (int col = 0; col < imagewidth; col += tw)
{
/*
* Tile is clipped horizontally. Calculate
* visible portion and skewing factors.
*/
if (colb + tilew > imagew)
{
int width = imagew - colb;
int oskew = tilew - width;
cpStripToTile(obuf, 0, buf, bufp + colb, nrow, width, oskew, oskew + iskew);
}
else
cpStripToTile(obuf, 0, buf, bufp + colb, nrow, tilew, 0, iskew);
if (outImage.WriteTile(obuf, col, row, 0, 0) < 0)
{
Tiff.Error(outImage.FileName(), "Error, can't write tile at {0} {1}", col, row);
return false;
}
colb += tilew;
}
bufp += nrow * imagew;
}
return true;
}
bool readContigTilesIntoBuffer(Tiff inImage, byte[] buf, int imagelength, int imagewidth, short spp)
{
byte[] tilebuf = new byte[inImage.TileSize()];
FieldValue[] result = inImage.GetField(TiffTag.TILEWIDTH);
int tw = result[0].ToInt();
result = inImage.GetField(TiffTag.TILELENGTH);
int tl = result[0].ToInt();
int imagew = inImage.ScanlineSize();
int tilew = inImage.TileRowSize();
int iskew = imagew - tilew;
int bufp = 0;
for (int row = 0; row < imagelength; row += tl)
{
int nrow = (row + tl > imagelength) ? imagelength - row : tl;
int colb = 0;
for (int col = 0; col < imagewidth; col += tw)
{
if (inImage.ReadTile(tilebuf, 0, col, row, 0, 0) < 0 && !m_ignore)
{
Tiff.Error(inImage.FileName(), "Error, can't read tile at {0} {1}", col, row);
return false;
}
if (colb + tilew > imagew)
{
int width = imagew - colb;
int oskew = tilew - width;
cpStripToTile(buf, bufp + colb, tilebuf, 0, nrow, width, oskew + iskew, oskew);
}
else
cpStripToTile(buf, bufp + colb, tilebuf, 0, nrow, tilew, iskew, 0);
colb += tilew;
}
bufp += imagew * nrow;
}
return true;
}
bool readSeparateStripsIntoBuffer(Tiff inImage, byte[] buf, int imagelength, int imagewidth, short spp)
{
int scanlinesize = inImage.ScanlineSize();
if (scanlinesize == 0)
return false;
byte[] scanline = new byte[scanlinesize];
int bufp = 0;
for (int row = 0; row < imagelength; row++)
{
/* merge channels */
for (short s = 0; s < spp; s++)
{
if (!inImage.ReadScanline(scanline, row, s) && !m_ignore)
{
Tiff.Error(inImage.FileName(), "Error, can't read scanline {0}", row);
return false;
}
int n = scanlinesize;
int bp = s;
int sbuf = 0;
while (n-- > 0)
{
buf[bufp + bp] = scanline[sbuf];
sbuf++;
bp += spp;
}
}
bufp += scanlinesize * spp;
}
return true;
}
bool readContigStripsIntoBuffer(Tiff inImage, byte[] buffer, int imagelength, int imagewidth, short spp)
{
int scanlinesize = inImage.ScanlineSize();
int offset = 0;
for (int row = 0; row < imagelength; row++)
{
if (!inImage.ReadScanline(buffer, offset, row, 0) && !m_ignore)
{
Tiff.Error(inImage.FileName(), "Error, can't read scanline {0}", row);
return false;
}
offset += scanlinesize;
}
return true;
}
public TiffGrid(string FileName)
{
string fname = Path.GetFullPath(FileName);
if (!File.Exists(fname))
return;
tiff = BitMiracle.LibTiff.Classic.Tiff.Open(FileName, "r");
var val = tiff.GetField((TiffTag)33922)[1].ToDoubleArray();
XOrigin = val[3];
YOrigin = val[4]; //Upper basegrid assumes Lower
val = tiff.GetField((TiffTag)33550)[1].ToDoubleArray();
GridSize = val[0];
GridSize = val[1];
NumberOfColumns = tiff.GetField(TiffTag.IMAGEWIDTH)[0].ToInt();
NumberOfRows = tiff.GetField(TiffTag.IMAGELENGTH)[0].ToInt();
//Shift YOrigin to lower left
YOrigin -= GridSize * NumberOfRows;
scanline = new byte[tiff.ScanlineSize()];
bits = scanline.Count() / NumberOfColumns;
ScanLineCache = new Dictionary<int, byte[]>();
}
// convert tiff image to 2d byte array
public static byte[,] Tiff2Array(Tiff image, int height, int width)
{
// store the image information in 2d byte array
// reserve memory for storing the size of 1 line
byte[] scanline = new byte[image.ScanlineSize()];
// reserve memory for the size of image
byte[,] im = new byte[height, width];
for (int i = 0; i < height; i++)
{
image.ReadScanline(scanline, i);
{
for (int j = 0; j < width; j++)
im[i, j] = scanline[j];
}
} // end grabbing intensity values
return im;
}
/*
This function returns the necessary size of a data buffer to contain the raw or
uncompressed image data from the input TIFF for a page.
*/
private void read_tiff_size(Tiff input)
{
if (m_pdf_transcode == t2p_transcode_t.T2P_TRANSCODE_RAW)
{
FieldValue[] result = null;
if (m_pdf_compression == t2p_compress_t.T2P_COMPRESS_G4)
{
result = input.GetField(TiffTag.STRIPBYTECOUNTS);
int[] sbc = result[0].ToIntArray();
m_tiff_datasize = sbc[0];
return;
}
if (m_pdf_compression == t2p_compress_t.T2P_COMPRESS_ZIP)
{
result = input.GetField(TiffTag.STRIPBYTECOUNTS);
int[] sbc = result[0].ToIntArray();
m_tiff_datasize = sbc[0];
return;
}
if (m_tiff_compression == Compression.JPEG)
{
result = input.GetField(TiffTag.JPEGTABLES);
if (result != null)
{
int count = result[0].ToInt();
if (count > 4)
{
m_tiff_datasize += count;
m_tiff_datasize -= 2; /* don't use EOI of header */
}
}
else
{
m_tiff_datasize = 2; /* SOI for first strip */
}
int stripcount = input.NumberOfStrips();
int[] sbc = null;
result = input.GetField(TiffTag.STRIPBYTECOUNTS);
if (result == null)
{
Tiff.Error(Tiff2PdfConstants.TIFF2PDF_MODULE,
"Input file {0} missing field: STRIPBYTECOUNTS",
input.FileName());
m_error = true;
return;
}
else
sbc = result[0].ToIntArray();
for (int i = 0; i < stripcount; i++)
{
m_tiff_datasize += sbc[i];
m_tiff_datasize -= 4; /* don't use SOI or EOI of strip */
}
m_tiff_datasize += 2; /* use EOI of last strip */
return;
}
}
m_tiff_datasize = input.ScanlineSize() * m_tiff_length;
if (m_tiff_planar == PlanarConfig.SEPARATE)
m_tiff_datasize *= m_tiff_samplesperpixel;
}
