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tiffwrite.cc
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tiffwrite.cc
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#include "cvd/image_io.h"
#include "cvd/internal/io/tiff.h"
#include <algorithm>
#include <cstdint>
#include <iostream>
#include <map>
#include <tiffio.h>
#include <vector>
using namespace CVD;
using namespace CVD::TIFF;
using namespace CVD::Exceptions::Image_IO;
using namespace std;
////////////////////////////////////////////////////////////////////////////////
//
// Private implementation of TIFF reading
//
class CVD::TIFF::TIFFWritePimpl
{
public:
TIFFWritePimpl(ostream&, ImageRef size, const string& t);
~TIFFWritePimpl();
template <class C>
void write_raw_pixel_line(const C* data);
void write_raw_pixel_line(const bool* data);
private:
ostream& o;
ImageRef my_size;
string type;
uint32_t row;
::TIFF* tif;
streamoff length;
long strip_size;
vector<uint8_t> bool_rowbuf;
static tsize_t write(thandle_t vis, tdata_t data, tsize_t count);
static tsize_t read(thandle_t vis, tdata_t data, tsize_t count);
static toff_t seek(thandle_t vis, toff_t off, int dir);
static toff_t size(thandle_t vis);
static int close(thandle_t vis);
static int map(thandle_t, tdata_t*, toff_t*);
static void unmap(thandle_t, tdata_t, toff_t);
};
tsize_t TIFFWritePimpl::write(thandle_t vis, tdata_t data, tsize_t count)
{
TIFFWritePimpl* o = (TIFFWritePimpl*)vis;
streamoff p = o->o.tellp();
o->o.write((const char*)data, count);
return o->o.tellp() - p;
}
tsize_t TIFFWritePimpl::read(thandle_t, tdata_t, tsize_t)
{
return 0;
}
toff_t TIFFWritePimpl::seek(thandle_t vis, toff_t off, int dir)
{
TIFFWritePimpl* p = (TIFFWritePimpl*)vis;
ostream& o(p->o);
if(dir == SEEK_SET)
o.seekp(off, ios_base::beg);
else if(dir == SEEK_CUR)
o.seekp(off, ios_base::cur);
else if(dir == SEEK_END)
o.seekp(off, ios_base::end);
//From comments in libtiff:
// Attempt to workaround problems with seeking past the end of the
// stream. ofstream doesn't have a problem with this but
// ostrstream/ostringstream does. In that situation, add intermediate
// '\0' characters.
if(o.fail())
{
ios::iostate old_state = o.rdstate();
ios::iostate safe_state = old_state & ~ios_base::failbit;
streamoff crnt = 0;
// clear the fail bit so else tellp() works
o.clear(safe_state);
if(dir == SEEK_SET)
crnt = 0;
else if(dir == SEEK_CUR)
crnt = o.tellp();
else if(dir == SEEK_END)
{
o.seekp(0, ios_base::end);
crnt = o.tellp();
}
// restore original stream state
o.clear(old_state);
// only do something if desired seek position is valid
if(crnt + off > 0)
{
// clear the fail bit
o.clear(safe_state);
// extend the stream by writing zeros
o.seekp(0, ios::end);
streamoff extra = crnt + off - o.tellp();
for(streamoff i = 0; i < extra; i++)
o.put(0);
// retry the seek, just to make sure.
o.seekp(crnt + off, ios_base::beg);
}
}
return o.tellp();
}
toff_t TIFFWritePimpl::size(thandle_t vis)
{
TIFFWritePimpl* ii = (TIFFWritePimpl*)vis;
return ii->length;
}
int TIFFWritePimpl::close(thandle_t)
{
return 0;
}
int TIFFWritePimpl::map(thandle_t, tdata_t*, toff_t*)
{
return 0;
}
void TIFFWritePimpl::unmap(thandle_t, tdata_t, toff_t)
{
}
static const int error_size = 512;
static char error_msg[error_size] = "";
static void tiff_error_handler(const char*, const char* fmt, va_list ap)
{
int n = vsnprintf(error_msg, error_size, fmt, ap);
if(n == error_size)
error_msg[n - 1] = 0;
}
template <class T>
void TIFFWritePimpl::write_raw_pixel_line(const T* data)
{
//Do some type checking
if(type != PNM::type_name<T>::name())
throw WriteTypeMismatch(type, PNM::type_name<T>::name());
//Do some sanity checking
if(row >= (unsigned long)my_size.y)
throw InternalLibraryError("CVD", "Write past end of image.");
if(TIFFWriteEncodedStrip(tif, row, const_cast<T*>(data), strip_size) == -1)
throw WriteError(error_msg);
row++;
}
void TIFFWritePimpl::write_raw_pixel_line(const bool* data)
{
//Do some type checking
if(type != PNM::type_name<bool>::name())
throw WriteTypeMismatch(type, PNM::type_name<bool>::name());
//Do some sanity checking
if(row >= (unsigned long)my_size.y)
throw InternalLibraryError("CVD", "Write past end of image.");
fill(bool_rowbuf.begin(), bool_rowbuf.end(), 0);
//Pack bools
for(int i = 0; i < my_size.x; i++)
bool_rowbuf[i / 8] |= static_cast<unsigned char>((data[i] & 1) << (7 - i % 8));
if(TIFFWriteScanline(tif, &bool_rowbuf[0], row) == -1)
throw WriteError(error_msg);
row++;
}
TIFFWritePimpl::~TIFFWritePimpl()
{
if(tif)
TIFFClose(tif);
}
TIFFWritePimpl::TIFFWritePimpl(ostream& os, ImageRef s, const string& t)
: o(os)
, my_size(s)
, type(t)
, row(0)
, tif(0)
{
TIFFSetErrorHandler(tiff_error_handler);
//Find out the file size, and the suitability of the stream
o.seekp(0, ios_base::end);
length = o.tellp();
if(length == -1)
throw UnseekableIstream("TIFF");
o.seekp(0, ios_base::beg);
tif = TIFFClientOpen("std::ostream", "w", this,
read, write, seek, close, size, map, unmap);
if(tif == NULL)
throw WriteError(error_msg);
//Set the correct tags.
TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, my_size.x);
TIFFSetField(tif, TIFFTAG_IMAGELENGTH, my_size.y);
TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
uint16_t alpha[] = { EXTRASAMPLE_UNASSALPHA };
if(t == "bool")
{
TIFFSetField(tif, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB);
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 1);
TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, my_size.y);
bool_rowbuf.resize((my_size.x + 7) / 8);
}
else if(t == "unsigned char")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
}
else if(t == "unsigned short")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 16);
}
else if(t == "float")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 32);
TIFFSetField(tif, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
}
else if(t == "double")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 64);
TIFFSetField(tif, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
}
else if(t == "CVD::Rgb<unsigned char>")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
}
else if(t == "CVD::Rgb<unsigned short>")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 16);
}
else if(t == "CVD::Rgb<float>")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 32);
TIFFSetField(tif, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
}
else if(t == "CVD::Rgb<double>")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 64);
TIFFSetField(tif, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
}
else if(t == "CVD::Rgba<unsigned char>")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 4);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(tif, TIFFTAG_EXTRASAMPLES, 1, alpha);
}
else if(t == "CVD::Rgba<unsigned short>")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 4);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 16);
TIFFSetField(tif, TIFFTAG_EXTRASAMPLES, 1, alpha);
}
else if(t == "CVD::Rgba<float>")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 4);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 32);
TIFFSetField(tif, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
TIFFSetField(tif, TIFFTAG_EXTRASAMPLES, 1, alpha);
}
else if(t == "CVD::Rgba<double>")
{
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 4);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 64);
TIFFSetField(tif, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
TIFFSetField(tif, TIFFTAG_EXTRASAMPLES, 1, alpha);
}
else
throw UnsupportedImageSubType("TIFF", t);
strip_size = TIFFStripSize(tif);
}
////////////////////////////////////////////////////////////////////////////////
//
// Implementation of public parts of TIFF reading
//
tiff_writer::tiff_writer(ostream& o, ImageRef size, const string& type, const std::map<std::string, Parameter<>>&)
: t(new TIFFWritePimpl(o, size, type))
{
}
tiff_writer::~tiff_writer()
{
}
//Mechanically generate the pixel reading calls.
#define GEN1(X) \
void tiff_writer::write_raw_pixel_line(const X* d) { t->write_raw_pixel_line(d); }
#define GEN3(X) \
GEN1(X) \
GEN1(Rgb<X>) \
GEN1(Rgba<X>)
GEN1(bool)
GEN3(unsigned char)
GEN3(unsigned short)
GEN3(float)
GEN3(double)