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Diffstat (limited to 'boost/gil/extension/io/png_dynamic_io.hpp')
| -rw-r--r-- | boost/gil/extension/io/png_dynamic_io.hpp | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/boost/gil/extension/io/png_dynamic_io.hpp b/boost/gil/extension/io/png_dynamic_io.hpp deleted file mode 100644 index a3a25a97f4..0000000000 --- a/boost/gil/extension/io/png_dynamic_io.hpp +++ /dev/null @@ -1,141 +0,0 @@ -/* - Copyright 2005-2007 Adobe Systems Incorporated - - Use, modification and distribution are subject to the Boost Software License, - Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at - http://www.boost.org/LICENSE_1_0.txt). - - See http://opensource.adobe.com/gil for most recent version including documentation. -*/ - -/*************************************************************************************************/ - -#ifndef GIL_PNG_DYNAMIC_IO_H -#define GIL_PNG_DYNAMIC_IO_H - -/// \file -/// \brief Support for reading and writing PNG files -/// Requires libpng and zlib! -/// -/// \author Hailin Jin and Lubomir Bourdev \n -/// Adobe Systems Incorporated -/// \date 2005-2007 \n Last updated June 10, 2006 -// -// We are currently providing the following functions: -// template <typename Images> void png_read_image(const char*,any_image<Images>&) -// template <typename Images> void png_read_image(FILE*,any_image<Images>&,std::size_t) -// template <typename Views> void png_write_view(const char*,const any_image_view<View>&) -// template <typename Views> void png_write_view(FILE*,const any_image_view<View>&) - - -#include <string> -#include <stdio.h> -#include <boost/mpl/bool.hpp> -#include <boost/shared_ptr.hpp> -#include "../dynamic_image/dynamic_image_all.hpp" -#include "io_error.hpp" -#include "png_io.hpp" -#include "png_io_private.hpp" -#include "dynamic_io.hpp" - -namespace boost { namespace gil { - -namespace detail { - -struct png_write_is_supported { - template<typename View> struct apply - : public mpl::bool_<png_write_support<View>::is_supported> {}; -}; - -class png_writer_dynamic : public png_writer { -public: - png_writer_dynamic(FILE* file ) : png_writer(file) {} - png_writer_dynamic(const char* filename) : png_writer(filename){} - - template <typename Views> - void write_view(const any_image_view<Views>& runtime_view) { - dynamic_io_fnobj<png_write_is_supported, png_writer> op(this); - apply_operation(runtime_view,op); - } -}; - -class png_type_format_checker { - int _bit_depth; - int _color_type; -public: - png_type_format_checker(int bit_depth_in,int color_type_in) : - _bit_depth(bit_depth_in),_color_type(color_type_in) {} - template <typename Image> - bool apply() { - return png_read_support<typename Image::view_t>::bit_depth==_bit_depth && - png_read_support<typename Image::view_t>::color_type==_color_type; - } -}; - -struct png_read_is_supported { - template<typename View> struct apply - : public mpl::bool_<png_read_support<View>::is_supported> {}; -}; - -class png_reader_dynamic : public png_reader { -public: - png_reader_dynamic(FILE* file) : png_reader(file) {} - png_reader_dynamic(const char* filename) : png_reader(filename){} - - template <typename Images> - void read_image(any_image<Images>& im) { - png_uint_32 width, height; - int bit_depth, color_type, interlace_type; - png_get_IHDR(_png_ptr, _info_ptr, - &width, &height,&bit_depth,&color_type,&interlace_type, - NULL, NULL); - if (!construct_matched(im,png_type_format_checker(bit_depth,color_type))) { - io_error("png_reader_dynamic::read_image(): no matching image type between those of the given any_image and that of the file"); - } else { - im.recreate(width,height); - dynamic_io_fnobj<png_read_is_supported, png_reader> op(this); - apply_operation(view(im),op); - } - } -}; - -} // namespace detail - -/// \ingroup PNG_IO -/// \brief reads a PNG image into a run-time instantiated image -/// Opens the given png file name, selects the first type in Images whose color space and channel are compatible to those of the image file -/// and creates a new image of that type with the dimensions specified by the image file. -/// Throws std::ios_base::failure if none of the types in Images are compatible with the type on disk. -template <typename Images> -inline void png_read_image(const char* filename,any_image<Images>& im) { - detail::png_reader_dynamic m(filename); - m.read_image(im); -} - -/// \ingroup PNG_IO -/// \brief reads a PNG image into a run-time instantiated image -template <typename Images> -inline void png_read_image(const std::string& filename,any_image<Images>& im) { - png_read_image(filename.c_str(),im); -} - -/// \ingroup PNG_IO -/// \brief Saves the currently instantiated view to a png file specified by the given png image file name. -/// Throws std::ios_base::failure if the currently instantiated view type is not supported for writing by the I/O extension -/// or if it fails to create the file. -template <typename Views> -inline void png_write_view(const char* filename,const any_image_view<Views>& runtime_view) { - detail::png_writer_dynamic m(filename); - m.write_view(runtime_view); -} - -/// \ingroup PNG_IO -/// \brief Saves the currently instantiated view to a png file specified by the given png image file name. -template <typename Views> -inline void png_write_view(const std::string& filename,const any_image_view<Views>& runtime_view) { - png_write_view(filename.c_str(),runtime_view); -} - -} } // namespace boost::gil - -#endif |