Index: ChangeLog from Damien Thivolle <damien@lrde.epita.fr> * tests/io/tests/2d: Add tests. * tests/io/loadsave.hh: Adapt to new iterators API. * oln/core/2d/image2d.hh: Restore I/O operator=. * oln/core/gen/regular_window.hh: Add missing `this->'. * oln/io/write_image_pnm.hh: New. Add a generic front end for pnm files writing. * oln/io/read_image_pnm.hh: New. Add a generic front end for pnm files reading. * oln/io/write_image_2d_pnm.hh: Remove. * oln/io/gz_stream.hh: Restore file. * oln/io/write_image_pnm_2d.hh: New. Add 2D implementations for pnm output. * oln/io/read_image_2d_pnm.hh: Remove. * oln/io/write_image.hh: Adapt to changes that occured in the pnm front end. * oln/io/read_image_pnm_2d.hh: New. Add 2D implementations for pnm input. * oln/io/read_image.hh: Adapt to changes that occured in the pnm front end. * oln/io/write_image_pnm_decl.hh: New. Forward declarations. * oln/io/read_image_pnm_decl.hh: New. Forward declarations. * oln/io/utils.hh: Restore file. * oln/canvas/reconstruction.hh: Add use of oln::box. * oln/canvas/io.hh: Add canvas for 1D and 2D images. oln/canvas/io.hh | 116 ++++++ oln/canvas/reconstruction.hh | 8 oln/core/2d/image2d.hh | 6 oln/core/gen/regular_window.hh | 2 oln/io/gz_stream.hh | 728 ++++++++++++++++++++--------------------- oln/io/read_image.hh | 139 +++---- oln/io/read_image_2d_pnm.hh | 187 ---------- oln/io/read_image_pnm.hh | 157 ++++++++ oln/io/read_image_pnm_2d.hh | 166 +++++++++ oln/io/read_image_pnm_decl.hh | 57 +++ oln/io/utils.hh | 233 ++++++------- oln/io/write_image.hh | 126 +++---- oln/io/write_image_2d_pnm.hh | 225 ------------ oln/io/write_image_pnm.hh | 173 +++++++++ oln/io/write_image_pnm_2d.hh | 153 ++++++++ oln/io/write_image_pnm_decl.hh | 57 +++ tests/io/loadsave.hh | 10 tests/io/tests/2d | 12 18 files changed, 1492 insertions(+), 1063 deletions(-) Index: tests/io/tests/2d --- tests/io/tests/2d (revision 188) +++ tests/io/tests/2d (working copy) @@ -37,15 +37,27 @@ typedef oln::image2d<ntg::int_u8> ima_int_u8; typedef oln::image2d<ntg::rgb_8> ima_rgb_8; typedef oln::image2d<ntg::bin> ima_bin; + typedef oln::image2d<ntg::int_s8> ima_int_s8; + typedef oln::image2d<bool> ima_bool; + typedef oln::image2d<unsigned char> ima_uchar; + typedef oln::image2d<signed char> ima_schar; fail |= loadsave< ima_int_u8 >(rdata("16x16.pgm"), "16x16.pgm"); fail |= loadsave< ima_bin >(rdata("16x16.pbm"), "16x16.pbm"); fail |= loadsave< ima_rgb_8 >(rdata("16x16.ppm"), "16x16.ppm"); + fail |= loadsave< ima_int_s8 >(rdata("16x16.pgm"), "16x16.pgm"); + fail |= loadsave< ima_bool >(rdata("16x16.pbm"), "16x16.pbm"); + fail |= loadsave< ima_uchar >(rdata("16x16.pgm"), "16x16.pgm"); + fail |= loadsave< ima_schar >(rdata("16x16.pgm"), "16x16.pgm"); #if HAVE_ZLIB fail |= loadsave< ima_bin >(rdata("16x16.pbm.gz"), "16x16.pbm.gz"); fail |= loadsave< ima_int_u8 >(rdata("16x16.pgm.gz"), "16x16.pgm.gz"); fail |= loadsave< ima_rgb_8 >(rdata("16x16.ppm.gz"), "16x16.ppm.gz"); + fail |= loadsave< ima_int_s8 >(rdata("16x16.pgm.gz"), "16x16.pgm.gz"); + fail |= loadsave< ima_bool >(rdata("16x16.pbm.gz"), "16x16.pbm.gz"); + fail |= loadsave< ima_uchar >(rdata("16x16.pgm.gz"), "16x16.pgm.gz"); + fail |= loadsave< ima_schar >(rdata("16x16.pgm.gz"), "16x16.pgm.gz"); #endif return fail; Index: tests/io/loadsave.hh --- tests/io/loadsave.hh (revision 188) +++ tests/io/loadsave.hh (working copy) @@ -1,8 +1,8 @@ -#include <oln/basics1d.hh> -#include <oln/basics2d.hh> -#include <oln/basics3d.hh> -#include <oln/all.hh> +#include <oln/io/write_image.hh> +#include <oln/io/read_image.hh> +#include <oln/core/abstract/piter.hh> + #include <ntg/all.hh> #include "check.hh" @@ -20,7 +20,7 @@ a.size().ncols() != b.size().ncols()) return false; - for_all(it) + for_all_p(it) { if (a[it] != b[it]) return false; Index: oln/core/2d/image2d.hh --- oln/core/2d/image2d.hh (revision 188) +++ oln/core/2d/image2d.hh (working copy) @@ -190,9 +190,9 @@ image2d& operator=(const io::filename& rhs) { // FIXME HERE: hack to avoid calling io -// io::do_read(*this, rhs); - image2d tmp(4, 4); - *this = tmp; + io::do_read(*this, rhs); +// image2d tmp(4, 4); +// *this = tmp; return *this; } Index: oln/core/gen/regular_window.hh --- oln/core/gen/regular_window.hh (revision 188) +++ oln/core/gen/regular_window.hh (working copy) @@ -198,7 +198,7 @@ for (unsigned i = 0; i < card(); ++i) { - const dpoint_type& dp = win.get_dp()[i]; + const dpoint_type& dp = this->win.get_dp()[i]; unsigned n; for (n = 0; n < dim; ++n) Index: oln/io/write_image_pnm.hh --- oln/io/write_image_pnm.hh (revision 0) +++ oln/io/write_image_pnm.hh (revision 0) @@ -0,0 +1,173 @@ +// Copyright (C) 2005 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef OLN_IO_WRITE_IMAGE_PNM_HH +# define OLN_IO_WRITE_IMAGE_PNM_HH + +# include <oln/io/write_image_pnm_decl.hh> +# include <oln/io/write_image_pnm_2d.hh> + +namespace oln { + + + namespace io { + + + namespace impl { + + + template <typename V, typename I> + void write_pnm_(const ntg::real_value<V>&, + const abstract::image<I>& ima, + std::ostream& istr, + const std::string& ext) + { + typedef oln_type_of(I, size) size_type; + + if (ext == "pgm") + { + write_pnm_real<I, size_type> tmp(ima, istr); + + tmp.run(); + } + else + std::cerr << "io error: extension mismatch data type" << std::endl; + } + + template <typename V, typename I> + void write_pnm_(const ntg::enum_value<V>&, + const abstract::image<I>& ima, + std::ostream& ostr, + const std::string& ext) + { + typedef oln_type_of(I, size) size_type; + + if (ext == "pbm") + { + write_pnm_bin<I, size_type> tmp(ima, ostr); + + tmp.run(); + } + else + std::cerr << "io error: extension mismatch data type" << std::endl; + } + + template <typename V, typename I> + void write_pnm_(const ntg::vect_value<V>&, + const abstract::image<I>& ima, + std::ostream& ostr, + const std::string& ext) + { + typedef oln_type_of(I, size) size_type; + precondition(ntg_nb_comp(V) == 3); + + if (ext == "ppm") + { + write_pnm_vect<I, size_type> tmp(ima, ostr); + + tmp.run(); + } + else + std::cerr << "io error: extension mismatch data type" << std::endl; + } + + template <typename V, typename I> + void write_pnm(const ntg::value<V>& v, + const abstract::image<I>& ima, + std::ostream& ostr, + const std::string& ext) + { + write_pnm_(v.exact(), ima.exact(), ostr, ext); + } + + } + + + template <typename V> + std::string get_pnm_type(const ntg::enum_value<V>&) + { + return "P4"; + } + + template <typename V> + std::string get_pnm_type(const ntg::real_value<V>&) + { + return "P5"; + } + + template <typename V> + std::string get_pnm_type(const ntg::vect_value<V>&) + { + return "P6"; + } + + template <typename V> + int get_max_val(const ntg::value<V>&) + { + return ntg_max_val(V) - ntg_min_val(V); + } + + template <typename V> + int get_max_val(const ntg::vect_value<V>&) + { + return ntg_max_val(ntg_comp_type(V)) - ntg_min_val(ntg_comp_type(V)); + } + + + template <typename I> + void write_pnm(const abstract::image<I>& ima, + std::ostream& ostr, + const std::string& ext) + { + typedef oln_type_of(I, value) value_type; + typedef ntg_type(value_type) ntg_value_type; + int max_val = get_max_val(ntg_value_type()); + + if (max_val <= 65535) + { + internal::write_pnm_header(ostr, get_pnm_type(ntg_value_type()), + ima.exact().size().ncols(), + ima.exact().size().nrows(), + max_val); + + impl::write_pnm(ntg_value_type(), ima.exact(), ostr, ext); + } + else + std::cerr << "io error: data type too large" << std::endl; + + + } + + + } + + +} + + + +# endif // ! OLN_IO_WRITE_IMAGE_PNM_HH Index: oln/io/read_image_pnm.hh --- oln/io/read_image_pnm.hh (revision 0) +++ oln/io/read_image_pnm.hh (revision 0) @@ -0,0 +1,157 @@ + // Copyright (C) 2005 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef OLN_IO_READ_IMAGE_PNM_HH +# define OLN_IO_READ_IMAGE_PNM_HH + +# include <iostream> +# include <string> + +# include <oln/io/read_image_pnm_decl.hh> +# include <oln/io/read_image_pnm_2d.hh> +# include <oln/core/abstract/image.hh> +# include <oln/io/utils.hh> + +namespace oln { + + + namespace io { + + + namespace impl { + + template <typename V, typename I> + void read_pnm_(const ntg::real_value<V>&, + abstract::image<I>& ima, + std::istream& istr, + const internal::pnm_header &hdr) + { + typedef oln_type_of(I, size) size_type; + + if (hdr.type == "P5") + { + read_pnm_real<I, size_type> tmp(istr, hdr); + + tmp.run(); + tmp.get_output(ima.exact()); + } + else + std::cerr << "io error: pnm type mismatch data type" << std::endl; + } + + template <typename V, typename I> + void read_pnm_(const ntg::enum_value<V>&, + abstract::image<I>& ima, + std::istream& istr, + const internal::pnm_header &hdr) + { + typedef oln_type_of(I, size) size_type; + + if (hdr.type == "P4") + { + read_pnm_bin<I, size_type> tmp(istr, hdr); + + tmp.run(); + tmp.get_output(ima.exact()); + } + else + std::cerr << "io error: pnm type mismatch data type" << std::endl; + } + + template <typename V, typename I> + void read_pnm_(const ntg::vect_value<V>&, + abstract::image<I>& ima, + std::istream& istr, + const internal::pnm_header &hdr) + { + typedef oln_type_of(I, size) size_type; + + if (hdr.type == "P6") + { + read_pnm_vect<I, size_type> tmp(istr, hdr); + + tmp.run(); + tmp.get_output(ima.exact()); + } + else + std::cerr << "io error: pnm type mismatch data type" << std::endl; + } + + template <typename V, typename I> + void read_pnm(const ntg::value<V>& v, + abstract::image<I>& ima, + std::istream& istr, + const internal::pnm_header &hdr) + { + read_pnm_(v.exact(), ima.exact(), istr, hdr); + } + + } + + + void check_hdr_ext(const internal::pnm_header& hdr, + const std::string& ext) + { + if ((ext == "pbm" && hdr.type != "P4") || + (ext == "pgm" && hdr.type != "P5") || + (ext == "ppm" && hdr.type != "P6")) + std::cerr << "io warning: extension mismatch pnm type." << std::cerr; + } + + + + template <typename I> + void read_pnm(abstract::image<I>& ima, + std::istream& istr, + const std::string& ext) + { + typedef oln_type_of(I, value) value_type; + typedef ntg_type(value_type) ntg_value_type; + internal::pnm_header hdr; + + if (!internal::read_pnm_header(istr, hdr)) + { + std::cerr << "io error: invalid pnm header." << std::cerr; + return; + } + + if (hdr.type == "P1" || hdr.type == "P2" || hdr.type == "P3") + std::cerr << "io error: ascii pnm format not supported." << std::endl; + + check_hdr_ext(hdr, ext); + + impl::read_pnm(ntg_value_type(), ima, istr, hdr); + + } + + + } + + +} + +#endif // ! OLN_IO_READ_IMAGE_PNM_HH Index: oln/io/write_image_2d_pnm.hh --- oln/io/write_image_2d_pnm.hh (revision 188) +++ oln/io/write_image_2d_pnm.hh (working copy) @@ -1,225 +0,0 @@ -// Copyright (C) 2005 EPITA Research and Development Laboratory -// -// This file is part of the Olena Library. This library is free -// software; you can redistribute it and/or modify it under the terms -// of the GNU General Public License version 2 as published by the -// Free Software Foundation. -// -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this library; see the file COPYING. If not, write to -// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -// MA 02111-1307, USA. -// -// As a special exception, you may use this file as part of a free -// software library without restriction. Specifically, if other files -// instantiate templates or use macros or inline functions from this -// file, or you compile this file and link it with other files to -// produce an executable, this file does not by itself cause the -// resulting executable to be covered by the GNU General Public -// License. This exception does not however invalidate any other -// reasons why the executable file might be covered by the GNU General -// Public License. - - -#ifndef OLN_IO_WRITE_IMAGE_2D_PNM_HH -# define OLN_IO_WRITE_IMAGE_2D_PNM_HH - -// # include <iostream> -// # include <string> - -// # include <mlc/box.hh> - -// # include <ntg/all.hh> - -// # include <oln/core/2d/image2d.hh> - -// // commented cause 'void_op' was removed -// //# include <oln/core/abstract/op.hh> - -// # include <oln/io/utils.hh> - -// namespace oln { - -// namespace io { - -// namespace impl { - -// template <typename I> -// struct write_image_2d_raw -// // commented below cause 'void_op' was removed -// // : public oln::abstract::void_op<write_image_2d_raw<I> > -// { -// typedef oln_type_of(I, value) value_type; - -// const I& to_write_; -// std::ostream& ostr_; -// int bin_offset; -// char bin_v; - - -// write_image_2d_raw(const I& to_write, std::ostream& ostr): -// to_write_(to_write), -// ostr_(ostr) -// { -// bin_offset = 7; -// bin_v = 0; -// } - -// void run() -// { -// point2d p; -// value_type c; - -// for (p.row() = 0; p.row() < to_write_.size().nrows(); ++p.row()) -// { -// for (p.col() = 0; p.col() < to_write_.size().ncols(); ++p.col()) -// // FIXME: SHOULD NOT BE .value() !!! -// write_value_type(to_write_[p].value()); -// write_padding(c); -// } -// } - -// template <typename E> -// void write_padding(const ntg::value<E>&) {} - -// void write_padding(const ntg::bin&) -// { -// if (bin_offset != 7) -// { -// ostr_.write(&bin_v, 1); -// bin_offset = 7; -// bin_v = 0; -// } -// } - -// //FIXME: Should work with builtin types. - -// template <typename E> -// void write_value_type(const ntg::real_value<E> &c) -// { -// typedef oln_io_type(ntg_nbits(E)) v_type; - -// v_type v; -// v = ntg::cast::bound<E, v_type>(c.exact()); -// ostr_.write((char*)&v, sizeof (v_type)); -// } - -// template <typename E> -// void write_value_type(const ntg::vect_value<E> &c) -// { -// for (unsigned i = 0; i < 3; i++) -// { -// typedef oln_io_type(ntg_nbits(ntg_comp_type(value_type))) v_type; - -// v_type v; -// v = c[i]; -// ostr_.write((char*)&v, sizeof (v_type)); -// } -// } - -// void write_value_type(const ntg::bin &c) -// { -// if (bin_offset == -1) -// { -// ostr_.write(&bin_v, 1); -// bin_offset = 7; -// bin_v = 0; -// } -// if (c == value_type(1)) -// bin_v |= 1 << bin_offset; -// bin_offset--; -// } -// }; - - -// template <typename I, typename T> -// void write(const abstract::image2d<I>& to_write, -// const ntg::real_value<T>&, -// std::ostream& ostr, -// const std::string& ext) -// { - -// point2d p; -// size2d s = to_write.size(); - -// precondition(ntg_nbits(T) <= 16); -// if (ext == "pgm") -// if (internal::write_pnm_header(ostr, "P5", -// s.ncols(), s.nrows(), -// ntg_max_val(T))) -// { -// write_image_2d_raw<I> tmp(to_write.exact(), ostr); -// tmp.run(); -// } -// else -// std::cerr << "error: unable to write file header" << std::endl; -// else -// std::cerr << "error: image data type (`integer') does not match" -// << " file extension (`" << ext << "')" << std::endl; -// } - -// template <typename I, typename T> -// void write(const abstract::image2d<I>& to_write, -// const ntg::color_value<T>&, -// std::ostream& ostr, -// const std::string& ext) -// { - -// point2d p; -// size2d s = to_write.size(); - -// precondition(ntg_nbits(ntg_comp_type(T)) <= 16); -// precondition(ntg_nb_comp(T) == 3); -// if (ext == "ppm") -// if (internal::write_pnm_header(ostr, "P6", -// s.ncols(), s.nrows(), -// ntg_max_val(ntg_comp_type(T)))) -// { -// write_image_2d_raw<I> tmp(to_write.exact(), ostr); -// tmp.run(); -// } -// else -// std::cerr << "error: unable to write header" << std::endl; -// else -// std::cerr << "error: image data type (`color') does not match" -// << " file extension (`" << ext << "')" << std::endl; -// } - -// template <typename I> -// void write(const abstract::image2d<I>& to_write, -// const ntg::bin&, -// std::ostream& ostr, -// const std::string& ext) -// { -// point2d p; -// size2d s = to_write.size(); - -// if (ext == "pbm") -// if (internal::write_pnm_header(ostr, "P4", -// s.ncols(), s.nrows(), -// 1)) -// { -// write_image_2d_raw<I> tmp(to_write.exact(), ostr); -// tmp.run(); -// } -// else -// std::cerr << "error: unable to write header" << std::endl; -// else -// std::cerr << "error: image data type (`enum_value') does not match" -// << " file extension (`" << ext << "')" << std::endl; -// } - -// } - -// } - -// } - - - -#endif // ! OLN_IO_WRITE_IMAGE_2D_PNM_HH Index: oln/io/gz_stream.hh --- oln/io/gz_stream.hh (revision 188) +++ oln/io/gz_stream.hh (working copy) @@ -28,455 +28,455 @@ #ifndef OLN_IO_GZ_STREAM_HH # define OLN_IO_GZ_STREAM_HH -// # include <oln/config/system.hh> +# include <oln/config/system.hh> -// #if defined HAVE_ZLIB && HAVE_ZLIB == 1 -// # include <cassert> -// # include <fstream> -// # include <string> -// # include <zlib.h> +#if defined HAVE_ZLIB && HAVE_ZLIB == 1 +# include <cassert> +# include <fstream> +# include <string> +# include <zlib.h> -// namespace oln { +namespace oln { -// namespace io { + namespace io { -// /// Functions for gz files -// namespace gz { + /// Functions for gz files + namespace gz { -// ///Performs operation on compressed files. -// class zfilebuf : public std::streambuf -// { -// public: + ///Performs operation on compressed files. + class zfilebuf : public std::streambuf + { + public: -// zfilebuf() : file(0), mode(0), own_file_descriptor(0) -// { -// inbuf = new char[lenbuf]; -// outbuf = new char[lenbuf]; -// setg(0, 0, 0); -// setp(outbuf, outbuf + lenbuf); -// } + zfilebuf() : file(0), mode(0), own_file_descriptor(0) + { + inbuf = new char[lenbuf]; + outbuf = new char[lenbuf]; + setg(0, 0, 0); + setp(outbuf, outbuf + lenbuf); + } -// virtual ~zfilebuf() -// { -// sync(); -// delete[] inbuf; -// delete[] outbuf; -// if (own_file_descriptor) -// close(); -// } + virtual ~zfilebuf() + { + sync(); + delete[] inbuf; + delete[] outbuf; + if (own_file_descriptor) + close(); + } -// /*! \brief Return a stream on the file \a name regarding -// ** the opening mode: \a io_mode. -// */ -// zfilebuf* -// open(const char *name, int io_mode) -// { -// if (is_open()) -// return 0; + /*! \brief Return a stream on the file \a name regarding + ** the opening mode: \a io_mode. + */ + zfilebuf* + open(const char *name, int io_mode) + { + if (is_open()) + return 0; -// char char_mode[10]; -// char *p; -// memset(char_mode,'\0',10); -// p = char_mode; + char char_mode[10]; + char *p; + memset(char_mode,'\0',10); + p = char_mode; -// if (io_mode & std::ios::in) -// { -// mode = std::ios::in; -// *p++ = 'r'; -// } -// else -// if (io_mode & std::ios::app) -// { -// mode = std::ios::app; -// *p++ = 'a'; -// } -// else -// { -// mode = std::ios::out; -// *p++ = 'w'; -// } -// if (io_mode & std::ios::binary) -// { -// mode |= std::ios::binary; -// *p++ = 'b'; -// } + if (io_mode & std::ios::in) + { + mode = std::ios::in; + *p++ = 'r'; + } + else + if (io_mode & std::ios::app) + { + mode = std::ios::app; + *p++ = 'a'; + } + else + { + mode = std::ios::out; + *p++ = 'w'; + } + if (io_mode & std::ios::binary) + { + mode |= std::ios::binary; + *p++ = 'b'; + } -// // Hard code the compression level -// if (io_mode & (std::ios::out|std::ios::app)) -// *p++ = '9'; + // Hard code the compression level + if (io_mode & (std::ios::out|std::ios::app)) + *p++ = '9'; -// if ((file = gzopen(name, char_mode)) == 0) -// return 0; + if ((file = gzopen(name, char_mode)) == 0) + return 0; -// name_ = name; -// own_file_descriptor = 1; -// return this; -// } + name_ = name; + own_file_descriptor = 1; + return this; + } -// /*! \brief Attach a stream on \a file_descriptor regarding -// ** the opening mode: \a io_mode. -// */ -// zfilebuf* -// attach(int file_descriptor, int io_mode) -// { -// if (is_open()) -// return 0; + /*! \brief Attach a stream on \a file_descriptor regarding + ** the opening mode: \a io_mode. + */ + zfilebuf* + attach(int file_descriptor, int io_mode) + { + if (is_open()) + return 0; -// char char_mode[10]; -// char *p; -// memset(char_mode,'\0',10); -// p = char_mode; + char char_mode[10]; + char *p; + memset(char_mode,'\0',10); + p = char_mode; -// if (io_mode & std::ios::in) -// { -// mode = std::ios::in; -// *p++ = 'r'; -// } -// else -// if (io_mode & std::ios::app) -// { -// mode = std::ios::app; -// *p++ = 'a'; -// } -// else -// { -// mode = std::ios::out; -// *p++ = 'w'; -// } + if (io_mode & std::ios::in) + { + mode = std::ios::in; + *p++ = 'r'; + } + else + if (io_mode & std::ios::app) + { + mode = std::ios::app; + *p++ = 'a'; + } + else + { + mode = std::ios::out; + *p++ = 'w'; + } -// if (io_mode & std::ios::binary) -// { -// mode |= std::ios::binary; -// *p++ = 'b'; -// } + if (io_mode & std::ios::binary) + { + mode |= std::ios::binary; + *p++ = 'b'; + } -// // Hard code the compression level -// if (io_mode & (std::ios::out|std::ios::app)) -// *p++ = '9'; + // Hard code the compression level + if (io_mode & (std::ios::out|std::ios::app)) + *p++ = '9'; -// if ((file = gzdopen(file_descriptor, char_mode)) == 0) -// return 0; + if ((file = gzdopen(file_descriptor, char_mode)) == 0) + return 0; -// own_file_descriptor = 0; -// return this; -// } + own_file_descriptor = 0; + return this; + } -// /// Close the stream. -// zfilebuf* -// close() -// { -// if (is_open()) -// { -// sync(); -// gzclose(file); -// file = 0; -// } -// return this; -// } + /// Close the stream. + zfilebuf* + close() + { + if (is_open()) + { + sync(); + gzclose(file); + file = 0; + } + return this; + } -// int -// setcompressionlevel(short comp_level) -// { -// return gzsetparams(file, comp_level, -2); -// } + int + setcompressionlevel(short comp_level) + { + return gzsetparams(file, comp_level, -2); + } -// int -// setcompressionstrategy(short comp_strategy) -// { -// return gzsetparams(file, -2, comp_strategy); -// } + int + setcompressionstrategy(short comp_strategy) + { + return gzsetparams(file, -2, comp_strategy); + } -// /// Return true if the stream is open, false otherwise. -// inline int -// is_open() const -// { return (file != 0); } + /// Return true if the stream is open, false otherwise. + inline int + is_open() const + { return (file != 0); } -// virtual std::streampos -// seekoff(std::streamoff off, std::ios::seekdir dir, int) // which) -// { -// return std::streampos(gzseek(file, off, dir)); -// } + virtual std::streampos + seekoff(std::streamoff off, std::ios::seekdir dir, int) // which) + { + return std::streampos(gzseek(file, off, dir)); + } -// /// Flush the buffer associated to the stream. -// virtual int -// sync() -// { -// if (!is_open()) -// return EOF; -// return flushbuf(); -// } + /// Flush the buffer associated to the stream. + virtual int + sync() + { + if (!is_open()) + return EOF; + return flushbuf(); + } -// protected: + protected: -// /*! \brief Return the next character in the stream. -// ** On failure, \a EOF is returned. -// */ -// virtual int -// underflow() -// { -// // If the file hasn't been opened for reading, error. -// if (!is_open() || !(mode & std::ios::in)) -// return EOF; + /*! \brief Return the next character in the stream. + ** On failure, \a EOF is returned. + */ + virtual int + underflow() + { + // If the file hasn't been opened for reading, error. + if (!is_open() || !(mode & std::ios::in)) + return EOF; -// if (in_avail()) -// return (unsigned char) *gptr(); + if (in_avail()) + return (unsigned char) *gptr(); -// if (flushbuf() == EOF) -// return EOF; + if (flushbuf() == EOF) + return EOF; -// // Attempt to fill the buffer. -// if (fillbuf() == EOF) -// return EOF; + // Attempt to fill the buffer. + if (fillbuf() == EOF) + return EOF; -// assert (eback()); + assert (eback()); -// return (unsigned char) *gptr(); -// } + return (unsigned char) *gptr(); + } -// /*! \brief Flush the output buffer associated to the stream -// ** then write \a c. On failure, \a EOF is returned. -// */ + /*! \brief Flush the output buffer associated to the stream + ** then write \a c. On failure, \a EOF is returned. + */ -// virtual int -// overflow(int c = EOF) -// { -// if (!is_open() || !(mode & std::ios::out)) -// return EOF; + virtual int + overflow(int c = EOF) + { + if (!is_open() || !(mode & std::ios::out)) + return EOF; -// assert (pbase()); + assert (pbase()); -// if (flushbuf() == EOF) -// return EOF; + if (flushbuf() == EOF) + return EOF; -// if (c != EOF) -// { -// *pptr() = c; -// pbump(1); -// } -// return 0; -// } + if (c != EOF) + { + *pptr() = c; + pbump(1); + } + return 0; + } -// private: + private: -// gzFile file; -// short mode; -// short own_file_descriptor; -// std::string name_; -// char *inbuf; -// char *outbuf; -// static const int lenbuf = 16 * 1024; + gzFile file; + short mode; + short own_file_descriptor; + std::string name_; + char *inbuf; + char *outbuf; + static const int lenbuf = 16 * 1024; -// /// Flush the output buffer -// int -// flushbuf() -// { -// int n = pptr() - outbuf; + /// Flush the output buffer + int + flushbuf() + { + int n = pptr() - outbuf; -// if (n == 0) -// return 0; + if (n == 0) + return 0; -// if (gzwrite(file, outbuf, n) < n) -// return EOF; + if (gzwrite(file, outbuf, n) < n) + return EOF; -// setp(outbuf, outbuf + lenbuf); -// return 0; -// } -// /// Fill the input buffer. -// int -// fillbuf() -// { -// int t = gzread(file, inbuf, lenbuf); -// if (t <= 0) return EOF; -// setg(inbuf, inbuf, inbuf + t); -// return t; -// } + setp(outbuf, outbuf + lenbuf); + return 0; + } + /// Fill the input buffer. + int + fillbuf() + { + int t = gzread(file, inbuf, lenbuf); + if (t <= 0) return EOF; + setg(inbuf, inbuf, inbuf + t); + return t; + } -// }; + }; -// ///Define an interface for compressed file stream manipulation. -// class zfilestream_common : virtual public std::ios -// { -// friend class zifstream; -// friend class zofstream; -// friend zofstream &setcompressionlevel(zofstream &, int); -// friend zofstream &setcompressionstrategy(zofstream &, int); + ///Define an interface for compressed file stream manipulation. + class zfilestream_common : virtual public std::ios + { + friend class zifstream; + friend class zofstream; + friend zofstream &setcompressionlevel(zofstream &, int); + friend zofstream &setcompressionstrategy(zofstream &, int); -// public: -// virtual ~zfilestream_common() {} + public: + virtual ~zfilestream_common() {} -// /*! \brief Open the stream on the file descriptor: -// ** \a fd regarding the opening mode. -// */ -// void -// attach(int fd, int io_mode) -// { -// if (!buffer.attach(fd, io_mode)) -// clear(std::ios::failbit | std::ios::badbit); -// else -// clear(); -// } + /*! \brief Open the stream on the file descriptor: + ** \a fd regarding the opening mode. + */ + void + attach(int fd, int io_mode) + { + if (!buffer.attach(fd, io_mode)) + clear(std::ios::failbit | std::ios::badbit); + else + clear(); + } -// /*! \brief Open the stream on the file named \a name -// ** regarding the opening mode. -// */ -// void -// open(const char *name, int io_mode) -// { -// if (!buffer.open(name, io_mode)) -// clear(std::ios::failbit | std::ios::badbit); -// else -// clear(); -// } + /*! \brief Open the stream on the file named \a name + ** regarding the opening mode. + */ + void + open(const char *name, int io_mode) + { + if (!buffer.open(name, io_mode)) + clear(std::ios::failbit | std::ios::badbit); + else + clear(); + } -// /// Close the current stream. -// void -// close() -// { -// if (!buffer.close()) -// clear(std::ios::failbit | std::ios::badbit); -// } + /// Close the current stream. + void + close() + { + if (!buffer.close()) + clear(std::ios::failbit | std::ios::badbit); + } -// bool -// is_open() -// { -// return buffer.is_open(); -// } + bool + is_open() + { + return buffer.is_open(); + } -// protected: -// /// Prevent instantiation. -// zfilestream_common() : std::ios(zfilestream_common::rdbuf()) -// { } + protected: + /// Prevent instantiation. + zfilestream_common() : std::ios(zfilestream_common::rdbuf()) + { } -// private: -// zfilebuf* -// rdbuf() -// { -// return &buffer; -// } + private: + zfilebuf* + rdbuf() + { + return &buffer; + } -// zfilebuf buffer; -// }; + zfilebuf buffer; + }; -// /// Read only zstream. -// class zifstream : public zfilestream_common, public std::istream -// { -// public: + /// Read only zstream. + class zifstream : public zfilestream_common, public std::istream + { + public: -// zifstream() : std::istream(zfilestream_common::rdbuf()) -// { -// clear(std::ios::badbit); -// } + zifstream() : std::istream(zfilestream_common::rdbuf()) + { + clear(std::ios::badbit); + } -// /// Open a read only stream on the file named \a name. -// zifstream(const char *name, int io_mode = std::ios::in) : -// std::istream(zfilestream_common::rdbuf()) -// { -// zfilestream_common::open(name, io_mode); -// } + /// Open a read only stream on the file named \a name. + zifstream(const char *name, int io_mode = std::ios::in) : + std::istream(zfilestream_common::rdbuf()) + { + zfilestream_common::open(name, io_mode); + } -// /// Open a read only stream on the file descriptor \a fd. -// zifstream(int fd, int io_mode = std::ios::in) : -// std::istream(zfilestream_common::rdbuf()) -// { -// zfilestream_common::attach(fd, io_mode); -// } + /// Open a read only stream on the file descriptor \a fd. + zifstream(int fd, int io_mode = std::ios::in) : + std::istream(zfilestream_common::rdbuf()) + { + zfilestream_common::attach(fd, io_mode); + } -// virtual ~zifstream() {} -// }; + virtual ~zifstream() {} + }; -// class zofstream : public zfilestream_common, public std::ostream { + class zofstream : public zfilestream_common, public std::ostream { -// public: + public: -// zofstream() : std::ostream(zfilestream_common::rdbuf()) -// { -// clear(std::ios::badbit); -// } + zofstream() : std::ostream(zfilestream_common::rdbuf()) + { + clear(std::ios::badbit); + } -// /// Open a write only stream on the file named \a name. -// zofstream(const char *name, int io_mode = std::ios::out) : -// std::ostream(zfilestream_common::rdbuf()) -// { -// zfilestream_common::open(name, io_mode); -// } + /// Open a write only stream on the file named \a name. + zofstream(const char *name, int io_mode = std::ios::out) : + std::ostream(zfilestream_common::rdbuf()) + { + zfilestream_common::open(name, io_mode); + } -// /// Open a write only stream on the file descriptor \a fd. -// zofstream(int fd, int io_mode = std::ios::out) : -// std::ostream(zfilestream_common::rdbuf()) -// { -// zfilestream_common::attach(fd, io_mode); -// } + /// Open a write only stream on the file descriptor \a fd. + zofstream(int fd, int io_mode = std::ios::out) : + std::ostream(zfilestream_common::rdbuf()) + { + zfilestream_common::attach(fd, io_mode); + } -// virtual ~zofstream() {} + virtual ~zofstream() {} -// }; + }; -// // Forward declaration. -// template <class T> -// class zomanip; + // Forward declaration. + template <class T> + class zomanip; -// /// Apply a function on \a s via the operator <<. -// template <class T> -// zofstream& -// operator<<(zofstream &s, const zomanip<T> &m) { -// return (*m.func)(s, m.val); -// } + /// Apply a function on \a s via the operator <<. + template <class T> + zofstream& + operator<<(zofstream &s, const zomanip<T> &m) { + return (*m.func)(s, m.val); + } -// /// Define a pair func / val to perform manipulation on zofstream. -// template<class T> class zomanip -// { -// friend zofstream &operator<< <T>(zofstream &, const zomanip<T> &); -// public: -// zomanip(zofstream &(*f)(zofstream &, T), T v) : func(f), val(v) { } -// private: -// zofstream &(*func)(zofstream &, T); -// T val; -// }; + /// Define a pair func / val to perform manipulation on zofstream. + template<class T> class zomanip + { + friend zofstream &operator<< <T>(zofstream &, const zomanip<T> &); + public: + zomanip(zofstream &(*f)(zofstream &, T), T v) : func(f), val(v) { } + private: + zofstream &(*func)(zofstream &, T); + T val; + }; -// /// Set the compression level of \a s to \a l. -// inline zofstream& -// setcompressionlevel(zofstream &s, int l) { -// (s.rdbuf())->setcompressionlevel(l); -// return s; -// } + /// Set the compression level of \a s to \a l. + inline zofstream& + setcompressionlevel(zofstream &s, int l) { + (s.rdbuf())->setcompressionlevel(l); + return s; + } -// /// Set the compression strategy of \a s to \a l. -// inline zofstream& -// setcompressionstrategy(zofstream &s, int l) -// { -// (s.rdbuf())->setcompressionstrategy(l); -// return s; -// } + /// Set the compression strategy of \a s to \a l. + inline zofstream& + setcompressionstrategy(zofstream &s, int l) + { + (s.rdbuf())->setcompressionstrategy(l); + return s; + } -// /// Specialized version for zomanip<int> -// inline zomanip<int> -// setcompressionlevel(int l) -// { -// return zomanip<int>(&setcompressionlevel,l); -// } + /// Specialized version for zomanip<int> + inline zomanip<int> + setcompressionlevel(int l) + { + return zomanip<int>(&setcompressionlevel,l); + } -// /// Specialized version for zomanip<int> -// inline zomanip<int> -// setcompressionstrategy(int l) -// { -// return zomanip<int>(&setcompressionstrategy,l); -// } + /// Specialized version for zomanip<int> + inline zomanip<int> + setcompressionstrategy(int l) + { + return zomanip<int>(&setcompressionstrategy,l); + } -// } // end of namespace gz + } // end of namespace gz -// } // end of namespace io + } // end of namespace io -// } // end of namespace oln +} // end of namespace oln -// # endif // ! HAVE_ZLIB +# endif // ! HAVE_ZLIB #endif // ! OLN_IO_GZ_STREAM_HH Index: oln/io/write_image_pnm_2d.hh --- oln/io/write_image_pnm_2d.hh (revision 0) +++ oln/io/write_image_pnm_2d.hh (revision 0) @@ -0,0 +1,153 @@ +// Copyright (C) 2005 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef OLN_IO_WRITE_IMAGE_PNM_2D_HH +# define OLN_IO_WRITE_IMAGE_PNM_2D_HH + +# include <ntg/all.hh> + +# include <oln/canvas/io.hh> + +# include <oln/core/2d/image2d.hh> +# include <oln/io/write_image_pnm_decl.hh> + +namespace oln { + + + namespace io { + + + namespace impl { + + + template <typename I> + struct write_pnm_vect<I, oln::size2d> + : public canvas::write_2d<I, write_pnm_vect<I, oln::size2d> > + { + typedef canvas::write_2d<I, write_pnm_vect<I, oln::size2d> > super_type; + typedef oln_type_of(I, value) value_type; + typedef ntg_comp_type(value_type) comp_type; + typedef oln_io_type(ntg_nbits(ntg_comp_type(value_type))) v_type; + + void impl_write_point() + { + value_type c = this->input[this->p]; + for (unsigned i = 0; i < ntg_nb_comp(value_type); ++i) + { + v_type v; + v = c[i]; + this->ostr.write((char*)&v, sizeof (v_type)); + } + } + + write_pnm_vect(const abstract::image<I>& input, + std::ostream& ostr) : + super_type(input, ostr) + {} + + }; + + template <typename I> + struct write_pnm_real<I, oln::size2d> + : public canvas::write_2d<I, write_pnm_real<I, oln::size2d> > + { + typedef canvas::write_2d<I, write_pnm_real<I, oln::size2d> > super_type; + typedef oln_type_of(I, value) value_type; + typedef ntg_type(value_type) ntg_value_type; + typedef oln_io_type(ntg_nbits(ntg_value_type)) v_type; + + + void impl_write_point() + { + v_type v; + v = this->input[this->p]; + this->ostr.write((char*)&v, sizeof (v_type)); + } + + write_pnm_real(const abstract::image<I>& input, + std::ostream& ostr) : + super_type(input, ostr) + {} + + }; + + template <typename I> + struct write_pnm_bin<I, oln::size2d> + : public canvas::write_2d<I, write_pnm_bin<I, oln::size2d> > + { + typedef canvas::write_2d<I, write_pnm_bin<I, oln::size2d> > super_type; + typedef oln_type_of(I, value) value_type; + typedef ntg_type(value_type) ntg_value_type; + typedef oln_io_type(ntg_nbits(ntg_value_type)) v_type; + + int offset; + char v; + + void extra_work() + { + if (offset != 7) + { + this->ostr.write(&v, 1); + offset = 7; + v = 0; + } + } + + void impl_write_point() + { + if (offset == -1) + { + this->ostr.write(&v, 1); + offset = 7; + v = 0; + } + if (this->input[this->p] == value_type(1)) + v |= 1 << offset; + offset--; + } + + write_pnm_bin(const abstract::image<I>& input, + std::ostream& ostr) : + super_type(input, ostr), + offset(7), + v(0) + { + } + + }; + + + + } + + + } + + +} + +#endif // ! OLN_IO_WRITE_IMAGE_PNM_2D_HH Index: oln/io/read_image_2d_pnm.hh --- oln/io/read_image_2d_pnm.hh (revision 188) +++ oln/io/read_image_2d_pnm.hh (working copy) @@ -1,187 +0,0 @@ -// Copyright (C) 2005 EPITA Research and Development Laboratory -// -// This file is part of the Olena Library. This library is free -// software; you can redistribute it and/or modify it under the terms -// of the GNU General Public License version 2 as published by the -// Free Software Foundation. -// -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this library; see the file COPYING. If not, write to -// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -// MA 02111-1307, USA. -// -// As a special exception, you may use this file as part of a free -// software library without restriction. Specifically, if other files -// instantiate templates or use macros or inline functions from this -// file, or you compile this file and link it with other files to -// produce an executable, this file does not by itself cause the -// resulting executable to be covered by the GNU General Public -// License. This exception does not however invalidate any other -// reasons why the executable file might be covered by the GNU General -// Public License. - -#ifndef OLN_IO_READ_IMAGE_2D_PNM_HH -# define OLN_IO_READ_IMAGE_2D_PNM_HH - -// # include <iostream> -// # include <string> - -// # include <mlc/box.hh> -// # include <mlc/math.hh> - -// # include <ntg/all.hh> - -// # include <oln/core/2d/image2d.hh> - -// # include <oln/core/abstract/image_operator.hh> - -// # include <oln/io/utils.hh> - - -// namespace oln { - -// template <typename I> -// struct image2d; - -// // fwd decl -// namespace io { -// namespace impl { -// template <typename I> struct read_image_2d_raw; -// } -// } - -// // super_type -// template <typename I> -// struct set_super_type < io::impl::read_image_2d_raw<I> > -// { -// typedef abstract::image_operator<I, io::impl::read_image_2d_raw<I> > ret; -// }; - - -// namespace io { - -// namespace impl { - -// template <typename I> -// struct read_image_2d_raw : -// public oln::abstract::image_operator<I, read_image_2d_raw<I> > -// { -// typedef oln::abstract::image_operator<I, read_image_2d_raw<I> > -// super_type; -// typedef oln_type_of(I, value) value_type; - -// std::istream& istr_; -// internal::pnm_info& info_; -// char v; -// int offset; - -// read_image_2d_raw(std::istream &istr, -// internal::pnm_info &info) : -// super_type(), -// istr_(istr), -// info_(info), -// offset(-1) -// { -// } - -// template <typename E> -// void precond(ntg::real_value<E>& c) -// { -// precondition(ntg_max_val(value_type) <= info_.max_val); -// precondition(info_.type == "P5"); -// } - -// template <typename E> -// void precond(ntg::vect_value<E>& c) -// { -// precondition(ntg_max_val(ntg_comp_type(value_type)) <= -// info_.max_val); -// precondition(info_.type == "P6"); -// precondition(ntg_nb_comp(value_type) == 3); -// } - -// void precond(ntg::bin& c) -// { -// precondition(info_.type == "P4"); -// } - -// void impl_run() -// { -// value_type c; -// point2d p; -// oln::image2d<value_type> tmp(info_.rows, info_.cols); - -// precond(c); - -// for (p.row() = 0; p.row() < info_.rows && !istr_.eof(); ++p.row()) -// { -// offset = -1; -// for (p.col() = 0; p.col() < info_.cols && !istr_.eof(); ++p.col()) -// { -// read_value_type(c); -// tmp[p] = c; -// } -// } -// this->output = tmp; -// } - -// //FIXME: Should work with builtin types. - -// template <typename E> -// void read_value_type(ntg::real_value<E> &c) -// { -// typedef oln_io_type(ntg_nbits(E)) v_type; -// v_type v; -// istr_.read((char*)&v, sizeof (v_type)); -// c = ntg::cast::force<E, v_type>(v); -// } - -// template <typename E> -// void read_value_type(ntg::vect_value<E> &c) -// { -// for (unsigned i = 0; i < ntg_nb_comp(E); i++) -// { -// typedef oln_io_type(ntg_nbits(ntg_comp_type(E))) v_type; -// v_type v; -// istr_.read((char*)&v, sizeof (v_type)); -// c[i] = ntg::cast::force<ntg_comp_type(E), v_type>(v); -// } -// } - -// void read_value_type(ntg::bin &c) -// { - -// if (offset == -1) -// { -// istr_.read(&v, 1); -// offset = 7; -// } -// if ((int)(v & (1<<offset--)) == 0) -// c = 0; -// else -// c = 1; -// } -// }; - -// template <typename I> -// read_image_2d_raw<I> -// read(std::istream& istr, internal::pnm_info info) -// { -// read_image_2d_raw<I> tmp(istr, info); -// tmp.run(); -// return tmp; -// } - -// } - -// } - -// } - - -#endif // ! OLN_IO_READ_IMAGE_2D_PNM_HH Index: oln/io/write_image.hh --- oln/io/write_image.hh (revision 188) +++ oln/io/write_image.hh (working copy) @@ -28,84 +28,84 @@ #ifndef OLN_IO_WRITE_IMAGE_HH # define OLN_IO_WRITE_IMAGE_HH -// # include <string> +# include <string> -// # include <oln/io/gz_stream.hh> -// # include <oln/io/utils.hh> -// # include <oln/io/write_image_2d_pnm.hh> +# include <oln/io/gz_stream.hh> +# include <oln/io/utils.hh> +# include <oln/io/write_image_pnm.hh> -// namespace oln { +namespace oln { -// namespace io { + namespace io { -// template <typename I> -// void do_write(const abstract::image<I>& ima, -// std::ostream& ostr, -// const std::string& ext) -// { -// typedef oln_type_of(I, value) value_type; -// value_type t; + template <typename I> + void write_dispatch_ext(const abstract::image<I>& ima, + std::ostream& ostr, + const std::string& ext) + { + if (ext == "pgm" || ext == "pbm" || ext == "ppm" || + ext == "pnm") + write_pnm(ima, ostr, ext); + else + std::cout << "io error: format not supported." + << std::endl; + } -// impl::write(ima.exact(), t, ostr, ext); -// } +#if defined HAVE_ZLIB && HAVE_ZLIB == 1 + template <typename I> + void write_gz(const abstract::image<I>& ima, const std::string& name) + { + gz::zofstream zostr(name.c_str(), std::ios::out); -// #if defined HAVE_ZLIB && HAVE_ZLIB == 1 -// template <typename I> -// void write_gz(const abstract::image<I>& ima, const std::string& name) -// { -// gz::zofstream zostr(name.c_str(), std::ios::out); + if (zostr.is_open() == false) + std::cerr << "error: couldn't open " << name << std::endl; + else + { + std::string ext; -// if (zostr.is_open() == false) -// std::cerr << "error: couldn't open " << name << std::endl; -// else -// { -// std::string ext; + ext = internal::extension(name.substr(0, name.size() - 3)); + write_dispatch_ext(ima, zostr, ext); + } + zostr.close(); + } -// ext = internal::utils::extension(name.substr(0, name.size() - 3)); -// do_write(ima, zostr, ext); -// } -// zostr.close(); -// } +#endif // ! HAVE_ZLIB -// #endif // ! HAVE_ZLIB + template <typename I> + void write_non_gz(const abstract::image<I>& ima, + const std::string& name, + const std::string& ext) + { + std::ofstream ostr; -// template <typename I> -// void write_non_gz(const abstract::image<I>& ima, -// const std::string& name, -// const std::string& ext) -// { -// std::ofstream ostr; + ostr.open(name.c_str(), std::ifstream::out); -// ostr.open(name.c_str(), std::ifstream::out); + if (ostr.is_open() == false) + std::cerr << "error: couldn't open " << name << std::endl; + else + write_dispatch_ext(ima, ostr, ext); + ostr.close(); + } -// if (ostr.is_open() == false) -// std::cerr << "error: couldn't open " << name << std::endl; -// else -// do_write(ima, ostr, ext); -// ostr.close(); -// } + template <typename I> + void write(const abstract::image<I>& ima, const std::string& name) + { + std::string ext; -// template <typename I> -// void write(const abstract::image<I>& ima, const std::string& name) -// { -// std::string ext; -// // FIXME: Unused? -// // oln_type_of(I, value) t; + ext = internal::extension(name); -// ext = internal::utils::extension(name); +#if defined HAVE_ZLIB && HAVE_ZLIB == 1 + if (ext == "gz") + write_gz(ima, name); + else + write_non_gz(ima, name, ext); +# else + write_non_gz(ima, name, ext); +#endif // ! HAVE_ZLIB + } -// #if defined HAVE_ZLIB && HAVE_ZLIB == 1 -// if (ext == "gz") -// write_gz(ima, name); -// else -// write_non_gz(ima, name, ext); -// # else -// write_non_gz(ima, name, ext); -// #endif // ! HAVE_ZLIB -// } + } -// } +} -// } - #endif // ! OLN_IO_WRITE_IMAGE_HH Index: oln/io/read_image_pnm_2d.hh --- oln/io/read_image_pnm_2d.hh (revision 0) +++ oln/io/read_image_pnm_2d.hh (revision 0) @@ -0,0 +1,166 @@ +// Copyright (C) 2005 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef OLN_IO_READ_IMAGE_PNM_2D_HH +# define OLN_IO_READ_IMAGE_PNM_2D_HH + +# include <ntg/all.hh> + +# include <oln/canvas/io.hh> + +# include <oln/core/2d/image2d.hh> +# include <oln/io/read_image_pnm_decl.hh> + +namespace oln { + + + namespace io { + + + namespace impl { + + + template <typename I> + struct read_pnm_vect<I, oln::size2d> + : public canvas::read_2d<I, read_pnm_vect<I, oln::size2d> > + { + typedef canvas::read_2d<I, read_pnm_vect<I, oln::size2d> > super_type; + typedef oln_type_of(I, value) value_type; + typedef ntg_comp_type(value_type) comp_type; + typedef oln_io_type(ntg_nbits(ntg_comp_type(value_type))) v_type; + + void impl_read_point() + { + value_type c; + for (unsigned i = 0; i < ntg_nb_comp(value_type); ++i) + { + v_type v; + this->istr.read((char*)&v, sizeof (v_type)); + c[i] = (ntg_storage_type(ntg_comp_type(value_type)))v; + } + this->output[this->p] = c; + } + + void impl_preconditions() + { + precondition(ntg_max_val(comp_type) - ntg_min_val(comp_type) + <= this->hdr.max_val); + precondition(ntg_nb_comp(value_type) == 3); + } + + read_pnm_vect(std::istream& istr, + const internal::pnm_header& hdr) : + super_type(istr, hdr) + {} + + }; + + template <typename I> + struct read_pnm_real<I, oln::size2d> + : public canvas::read_2d<I, read_pnm_real<I, oln::size2d> > + { + typedef canvas::read_2d<I, read_pnm_real<I, oln::size2d> > super_type; + typedef oln_type_of(I, value) value_type; + typedef ntg_type(value_type) ntg_value_type; + typedef oln_io_type(ntg_nbits(ntg_value_type)) v_type; + + + void impl_read_point() + { + v_type v; + this->istr.read((char*)&v, sizeof (v_type)); + this->output[this->p] = (ntg_storage_type(value_type))v; + } + + void impl_preconditions() + { + precondition(ntg_max_val(value_type) - ntg_min_val(value_type) + <= this->hdr.max_val); + } + + read_pnm_real(std::istream& istr, + const internal::pnm_header& hdr) : + super_type(istr, hdr) + {} + + }; + + template <typename I> + struct read_pnm_bin<I, oln::size2d> + : public canvas::read_2d<I, read_pnm_bin<I, oln::size2d> > + { + typedef canvas::read_2d<I, read_pnm_bin<I, oln::size2d> > super_type; + typedef oln_type_of(I, value) value_type; + typedef ntg_type(value_type) ntg_value_type; + typedef oln_io_type(ntg_nbits(ntg_value_type)) v_type; + + char v; + int offset; + + void impl_extra_work() + { + offset = -1; + } + + void impl_read_point() + { + if (offset == -1) + { + this->istr.read(&v, 1); + offset = 7; + } + if ((int)(v & (1<<offset--)) == 0) + this->output[this->p] = 0; + else + this->output[this->p] = 1; + } + + void impl_preconditions() + { + precondition(ntg_max_val(value_type) - ntg_min_val(value_type) + <= this->hdr.max_val); + } + + read_pnm_bin(std::istream& istr, + const internal::pnm_header& hdr) : + super_type(istr, hdr), + offset(-1) + {} + + }; + + + + } + + + } + + +} + +#endif // ! OLN_IO_READ_IMAGE_PNM_2D_HH Index: oln/io/read_image.hh --- oln/io/read_image.hh (revision 188) +++ oln/io/read_image.hh (working copy) @@ -35,7 +35,7 @@ # include <ntg/core/macros.hh> -# include <oln/io/read_image_2d_pnm.hh> +# include <oln/io/read_image_pnm.hh> # include <oln/io/utils.hh> # include <oln/io/gz_stream.hh> @@ -63,101 +63,74 @@ } -// template <typename I> -// void read_dispatch_ext(abstract::image<I>& ima, -// std::istream& istr, -// const std::string& ext) + template <typename I> + void read_dispatch_ext(abstract::image<I>& ima, + std::istream& istr, + const std::string& ext) -// { -// if (ext == "pgm" || ext == "pbm" || ext == "ppm" || -// ext == "pnm") -// { -// internal::pnm_info info; + { + if (ext == "pgm" || ext == "pbm" || ext == "ppm" || + ext == "pnm") + read_pnm(ima, istr, ext); + else + std::cout << "io error: format not supported." + << std::endl; + } -// if (internal::read_pnm_header(istr, info)) -// if ((ext == "ppm" || ext == "pnm") && info.type == "P6") -// ima.exact() = impl::read<I>(istr, info); -// else if ((ext == "ppm" || ext == "pnm") && info.type == "P3") -// std::cerr << "error: read_image_2d_ppm_ascii not implemented" -// << std::endl; -// else if ((ext == "pbm" || ext == "pnm") && info.type == "P4") -// ima.exact() = impl::read<I>(istr, info); -// else if ((ext == "pbm" || ext == "pnm") && info.type == "P1") -// std::cerr << "error: read_image_2d_ppm_ascii not implemented" -// << std::endl; -// else if ((ext == "pgm" || ext == "pnm") && info.type == "P5") -// ima.exact() = impl::read<I>(istr, info); -// else if ((ext == "pgm" || ext == "pnm") && info.type == "P2") -// std::cerr << "error: read_image_2d_ppm_ascii not implemented" -// << std::endl; -// else -// std::cerr << "error: file header (`" << info.type -// << "') does not match file extension (`" -// << ext << "')" << std::endl; -// else -// std::cerr << "error: unable to get a valid header" << std::endl; -// } -// else -// std::cout << "no input method for '" -// << ext << "' file extension" -// << std::endl; -// } +#if defined HAVE_ZLIB && HAVE_ZLIB == 1 + template <typename I> + void do_read_gz(abstract::image<I>& ima, const std::string& name) + { + gz::zifstream zistr(name.c_str(), std::ios::in); -// #if defined HAVE_ZLIB && HAVE_ZLIB == 1 -// template <typename I> -// void do_read_gz(abstract::image<I>& ima, const std::string& name) -// { -// gz::zifstream zistr(name.c_str(), std::ios::in); + if (zistr.is_open() == false) + std::cerr << "io error: couldn't open " << name << std::endl; + else + { + std::string ext; -// if (zistr.is_open() == false) -// std::cerr << "error: couldn't open " << name << std::endl; -// else -// { -// std::string ext; + ext = internal::extension(name.substr(0, name.size() - 3)); + read_dispatch_ext(ima, zistr, ext); + } + zistr.close(); + } +#endif // ! HAVE_ZLIB -// ext = internal::utils::extension(name.substr(0, name.size() - 3)); -// read_dispatch_ext(ima, zistr, ext); -// } -// zistr.close(); -// } + template <typename I> + void do_read_non_gz(abstract::image<I>& ima, + const std::string& name, + const std::string& ext) + { + std::ifstream istr; -// #endif // ! HAVE_ZLIB + istr.open(name.c_str(), std::ifstream::in); -// template <typename I> -// void do_read_non_gz(abstract::image<I>& ima, -// const std::string& name, -// const std::string& ext) -// { -// std::ifstream istr; + if (istr.is_open() == false) + std::cerr << "io error: couldn't open " << name << std::endl; + else + read_dispatch_ext(ima, istr, ext); + istr.close(); + } -// istr.open(name.c_str(), std::ifstream::in); + template <typename I> + void do_read(abstract::image<I>& ima, const filename& name) + { + std::string ext; -// if (istr.is_open() == false) -// std::cerr << "error: couldn't open " << name << std::endl; -// else -// read_dispatch_ext(ima, istr, ext); -// istr.close(); -// } + ext = internal::extension(name.get()); -// template <typename I> -// void do_read(abstract::image<I>& ima, const filename& name) -// { -// std::string ext; +#if defined HAVE_ZLIB && HAVE_ZLIB == 1 -// ext = internal::utils::extension(name.get()); + if (ext == "gz") + do_read_gz(ima, name.get()); + else + do_read_non_gz(ima, name.get(), ext); +#else + do_read_non_gz(ima, name.get(), ext); +#endif // ! HAVE_ZLIB + } -// #if defined HAVE_ZLIB && HAVE_ZLIB == 1 -// if (ext == "gz") -// do_read_gz(ima, name.get()); -// else -// do_read_non_gz(ima, name.get(), ext); -// #else -// do_read_non_gz(ima, name.get(), ext); -// #endif // ! HAVE_ZLIB -// } - - } } Index: oln/io/write_image_pnm_decl.hh --- oln/io/write_image_pnm_decl.hh (revision 0) +++ oln/io/write_image_pnm_decl.hh (revision 0) @@ -0,0 +1,57 @@ +// Copyright (C) 2005 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef OLN_IO_WRITE_IMAGE_PNM_DECL_HH +# define OLN_IO_WRITE_IMAGE_PNM_DECL_HH + +namespace oln { + + + namespace io { + + + namespace impl { + + template <typename I, typename S> + struct write_pnm_vect {}; + + template <typename I, typename S> + struct write_pnm_real {}; + + template <typename I, typename S> + struct write_pnm_bin {}; + + + } + + + } + + +} + +#endif // ! OLN_IO_WRITE_IMAGE_PNM_DECL_HH Index: oln/io/read_image_pnm_decl.hh --- oln/io/read_image_pnm_decl.hh (revision 0) +++ oln/io/read_image_pnm_decl.hh (revision 0) @@ -0,0 +1,57 @@ + // Copyright (C) 2005 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef OLN_IO_READ_IMAGE_PNM_DECL_HH +# define OLN_IO_READ_IMAGE_PNM_DECL_HH + +namespace oln { + + + namespace io { + + + namespace impl { + + + template <typename I, typename S> + struct read_pnm_vect {}; + + template <typename I, typename S> + struct read_pnm_real {}; + + template <typename I, typename S> + struct read_pnm_bin {}; + + } + + + } + + +} + +#endif // ! OLN_IO_READ_IMAGE_PNM_DECL_HH Index: oln/io/utils.hh --- oln/io/utils.hh (revision 188) +++ oln/io/utils.hh (working copy) @@ -28,153 +28,144 @@ #ifndef OLENA_IO_UTILS_HH # define OLENA_IO_UTILS_HH -// # include <oln/config/system.hh> +# include <oln/config/system.hh> -// # include <iostream> -// # include <fstream> -// # include <string> +# include <iostream> +# include <fstream> +# include <string> -// namespace oln { +namespace oln { -// namespace io { + namespace io { -// namespace internal { + namespace internal { -// /*! -// ** \brief Utils for io (get extension of a file). -// */ -// struct utils -// { + /*! + ** \brief Return the extension of a filename. + ** \arg name The filename. + ** \return The extension (lower case). + */ + std::string extension(const std::string& name) + { + std::string ext; + int pos = name.rfind('.'); + if (pos > 0) + { + ext.assign(name, pos + 1, name.size() - pos); + for (std::string::iterator i = ext.begin(); i != ext.end(); ++i) + *i = tolower(*i); + } + return ext; + } -// /*! -// ** \brief Return the extension of a filename. -// ** \arg name The filename. -// ** \return The extension (lower case). -// */ -// static std::string -// extension(const std::string& name) -// { -// std::string ext; -// int pos = name.rfind('.'); -// if (pos > 0) -// { -// ext.assign(name, pos + 1, name.size() - pos); -// for (std::string::iterator i = ext.begin(); i != ext.end(); ++i) -// *i = tolower(*i); -// } -// return ext; -// } -// }; + struct pnm_header + { + int max_val; + int rows; + int cols; + std::string type; + }; + bool read_pnm_header(std::istream& istr, + internal::pnm_header& hdr) + { + std::getline(istr, hdr.type); -// struct pnm_info -// { -// int max_val; -// int rows; -// int cols; -// std::string type; -// }; + hdr.max_val = 1; -// bool read_pnm_header(std::istream& istr, -// internal::pnm_info& info) -// { -// std::getline(istr, info.type); + // skip comments + while (istr.peek() == '#') + { + std::string line; + std::getline(istr, line); + } -// info.max_val = 1; + // read size + istr >> hdr.cols; + // skip comments + while (istr.peek() == '#') + { + std::string line; + std::getline(istr, line); + } -// // skip comments -// while (istr.peek() == '#') -// { -// std::string line; -// std::getline(istr, line); -// } -// // read size -// istr >> info.cols; -// // skip comments -// while (istr.peek() == '#') -// { -// std::string line; -// std::getline(istr, line); -// } + istr >> hdr.rows; + // skip comments + while (istr.peek() == '#') + { + std::string line; + std::getline(istr, line); + } + if (hdr.cols <= 0 || hdr.rows <= 0) return false; -// istr >> info.rows; -// // skip comments -// while (istr.peek() == '#') -// { -// std::string line; -// std::getline(istr, line); -// } + // skip comments + while (istr.peek() == '#') + { + std::string line; + std::getline(istr, line); + } -// if (info.cols <= 0 || info.rows <= 0) return false; + // FIXME: it can be either '\n', 'whitespace', ..., not only '\n'! + if (istr.get() != '\n') return false; + // extract or skip maxvalue + if (hdr.type != "P1" && hdr.type != "P4") + { + istr >> hdr.max_val; + if (hdr.max_val > 65535 || + istr.get() != '\n' || + hdr.max_val <= 0) + return false; + } + return true; + } -// // skip comments -// while (istr.peek() == '#') -// { -// std::string line; -// std::getline(istr, line); -// } + bool write_pnm_header(std::ostream& ostr, + const std::string& type, + int ncols, + int nrows, + int max_val) + { + if (max_val > 65535) + return false; -// // FIXME: it can be either '\n', 'whitespace', ..., not only '\n'! -// if (istr.get() != '\n') return false; -// // extract or skip maxvalue -// if (info.type != "P1" && info.type != "P4") -// { -// istr >> info.max_val; -// if (info.max_val > 65535 || -// istr.get() != '\n' || -// info.max_val <= 0) -// return false; -// } -// return true; -// } + ostr << type << std::endl + << "# Olena 1.0" << std::endl + << ncols << " " << nrows << std::endl; + if (type != "P1" && type != "P4") + ostr << max_val << std::endl; + return true; + } -// bool write_pnm_header(std::ostream& ostr, -// const std::string& type, -// int ncols, -// int nrows, -// int max_val) -// { -// if (max_val > 65535) -// return false; + template <bool b> + struct pnm_io_helper_bool + { + typedef unsigned char type; + }; -// ostr << type << std::endl -// << "# Olena 1.0" << std::endl -// << ncols << " " << nrows << std::endl; -// if (type != "P1" && type != "P4") -// ostr << max_val << std::endl; -// return true; -// } + template <> + struct pnm_io_helper_bool<false> + { + typedef unsigned short type; + }; -// template <bool b> -// struct pnm_io_helper_bool -// { -// typedef unsigned char type; -// }; + template <unsigned N> + struct pnm_io_helper + { + typedef typename pnm_io_helper_bool<N <= 8>::type type; + }; -// template <> -// struct pnm_io_helper_bool<false> -// { -// typedef unsigned short type; -// }; + } // end of namespace internal -// template <unsigned N> -// struct pnm_io_helper -// { -// typedef typename pnm_io_helper_bool<N <= 8>::type type; -// }; + } // end of namespace io -// } // end of namespace internal +} // end of namespace oln -// } // end of namespace io +# define oln_io_type(N) typename oln::io::internal::pnm_io_helper<N>::type +# define oln_io_type_(N) oln::io::internal::pnm_io_helper<N>::type -// } // end of namespace oln -// # define oln_io_type(N) typename oln::io::internal::pnm_io_helper<N>::type -// # define oln_io_type_(N) oln::io::internal::pnm_io_helper<N>::type - - #endif // ! OLENA_IO_UTILS_HH Index: oln/canvas/reconstruction.hh --- oln/canvas/reconstruction.hh (revision 188) +++ oln/canvas/reconstruction.hh (working copy) @@ -161,8 +161,8 @@ box<oln_type_of(I1, concrete)> work; box<oln_type_of(I1, concrete)> output; - box<I1> marker; - box<I2> mask; + box<const I1> marker; + box<const I2> mask; std::queue<oln_type_of(I1, point) > fifo; @@ -209,8 +209,8 @@ box<oln_type_of(I1, concrete)> work; box<oln_type_of(I1, concrete)> output; - box<I1> marker; - box<I2> mask; + box<const I1> marker; + box<const I2> mask; }; Index: oln/canvas/io.hh --- oln/canvas/io.hh (revision 188) +++ oln/canvas/io.hh (working copy) @@ -31,6 +31,7 @@ # include <iostream> # include <mlc/any.hh> +# include <oln/core/box.hh> # include <oln/core/abstract/image.hh> # include <oln/io/utils.hh> @@ -49,6 +50,11 @@ { } + void work() + { + this->exact().impl_work(); + } + void extra_work() { this->exact().impl_extra_work(); @@ -61,10 +67,9 @@ void run() { - for (p.row() = 0; p.row() < out.size().nrows(); ++p.row()) + for (p.row() = 0; p.row() < input.size().nrows(); ++p.row()) { - for (p.col() = 0; p.col() < out.size().ncols(); ++p.col()) - write_point(); + work(); extra_work(); } } @@ -74,18 +79,60 @@ write(const oln::abstract::image<I>& input, std::ostream& ostr) : - input(input), + input(input.exact()), ostr(ostr) {} - const I& input; + box<const I> input; std::ostream& ostr; oln_type_of(I, point) p; + }; + + + template <typename I, typename E> + struct write_2d: public write<I, E> + { + + void impl_work() + { + for (this->p.col() = 0; + this->p.col() < this->input.size().ncols(); + ++this->p.col()) + this->write_point(); + } + + protected: + typedef write<I, E> super_type; + + write_2d(const abstract::image<I>& input, + std::ostream& ostr) : + super_type(input, ostr) + {} + }; + template <typename I, typename E> + struct write_1d: public write<I, E> + { + void impl_work() + { + this->write_point(); + } + + protected: + typedef write<I, E> super_type; + + write_1d(const abstract::image<I>& input, + std::ostream& ostr) : + super_type(input, ostr) + {} + + }; + + template <typename I, typename E> struct read : public mlc::any<E> { @@ -107,15 +154,28 @@ this->exact().impl_preconditions(); } + void work() + { + this->exact().impl_work(); + } + + void get_output(I& ima) + { + ima = output.unbox(); + } + void run() { preconditions(); + I tmp(hdr.rows, hdr.cols); + + output = tmp; + for (p.row() = 0; p.row() < hdr.rows && !istr.eof(); ++p.row()) { extra_work(); - for (p.col() = 0; p.col() < hdr.cols && !istr_.eof(); ++p.col()) - read_point(); + work(); } } @@ -134,7 +194,49 @@ }; + template <typename I, typename E> + struct read_2d: public read<I, E> + { + void impl_work() + { + for (this->p.col() = 0; + this->p.col() < this->hdr.cols && !this->istr.eof(); + ++this->p.col()) + this->read_point(); + } + + protected: + typedef read<I, E> super_type; + + read_2d(std::istream& istr, + const io::internal::pnm_header& hdr) : + super_type(istr, hdr) + {} + + }; + + + template <typename I, typename E> + struct read_1d: public read<I, E> + { + + void impl_work() + { + this->read_point(); + } + + protected: + typedef read<I, E> super_type; + + read_1d(std::istream& istr, + const io::internal::pnm_header& hdr) : + super_type(istr, hdr) + {} + + }; + + }