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Diffstat (limited to 'boost/gil/extension/io/jpeg_dynamic_io.hpp')
-rw-r--r-- | boost/gil/extension/io/jpeg_dynamic_io.hpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/boost/gil/extension/io/jpeg_dynamic_io.hpp b/boost/gil/extension/io/jpeg_dynamic_io.hpp deleted file mode 100644 index b1108fe8fa..0000000000 --- a/boost/gil/extension/io/jpeg_dynamic_io.hpp +++ /dev/null @@ -1,130 +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_JPEG_DYNAMIC_IO_H -#define GIL_JPEG_DYNAMIC_IO_H - -/// \file -/// \brief Support for reading and writing JPEG files -/// Requires libjpeg -/// -/// \author Hailin Jin and Lubomir Bourdev \n -/// Adobe Systems Incorporated -/// \date 2005-2007 \n Last updated June 10, 2006 - -#include <stdio.h> -#include <string> -#include <boost/mpl/bool.hpp> -#include <boost/shared_ptr.hpp> -#include "../dynamic_image/dynamic_image_all.hpp" -#include "io_error.hpp" - -#include "jpeg_io.hpp" -#include "jpeg_io_private.hpp" -#include "dynamic_io.hpp" - -namespace boost { namespace gil { - -namespace detail { - -struct jpeg_write_is_supported { - template<typename View> struct apply - : public mpl::bool_<jpeg_write_support<View>::is_supported> {}; -}; - -class jpeg_writer_dynamic : public jpeg_writer { - int _quality; -public: - jpeg_writer_dynamic(FILE* file, int quality=100) : jpeg_writer(file) , _quality(quality) {} - jpeg_writer_dynamic(const char* filename, int quality=100) : jpeg_writer(filename), _quality(quality) {} - - template <typename Views> - void write_view(const any_image_view<Views>& runtime_view) { - dynamic_io_fnobj<jpeg_write_is_supported, jpeg_writer> op(this); - apply_operation(runtime_view,op); - } -}; - -class jpeg_type_format_checker { - J_COLOR_SPACE _color_type; -public: - jpeg_type_format_checker(J_COLOR_SPACE color_type_in) : - _color_type(color_type_in) {} - template <typename Image> - bool apply() { - return jpeg_read_support<typename Image::view_t>::color_type==_color_type; - } -}; - -struct jpeg_read_is_supported { - template<typename View> struct apply - : public mpl::bool_<jpeg_read_support<View>::is_supported> {}; -}; - -class jpeg_reader_dynamic : public jpeg_reader { -public: - jpeg_reader_dynamic(FILE* file) : jpeg_reader(file) {} - jpeg_reader_dynamic(const char* filename) : jpeg_reader(filename){} - - template <typename Images> - void read_image(any_image<Images>& im) { - if (!construct_matched(im,detail::jpeg_type_format_checker(_cinfo.out_color_space))) { - io_error("jpeg_reader_dynamic::read_image(): no matching image type between those of the given any_image and that of the file"); - } else { - im.recreate(get_dimensions()); - dynamic_io_fnobj<jpeg_read_is_supported, jpeg_reader> op(this); - apply_operation(view(im),op); - } - } -}; - -} // namespace detail - - -/// \ingroup JPEG_IO -/// \brief reads a JPEG image into a run-time instantiated image -/// Opens the given JPEG 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 jpeg_read_image(const char* filename,any_image<Images>& im) { - detail::jpeg_reader_dynamic m(filename); - m.read_image(im); -} - -/// \ingroup JPEG_IO -/// \brief reads a JPEG image into a run-time instantiated image -template <typename Images> -inline void jpeg_read_image(const std::string& filename,any_image<Images>& im) { - jpeg_read_image(filename.c_str(),im); -} - -/// \ingroup JPEG_IO -/// \brief Saves the currently instantiated view to a jpeg file specified by the given jpeg 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 jpeg_write_view(const char* filename,const any_image_view<Views>& runtime_view) { - detail::jpeg_writer_dynamic m(filename); - m.write_view(runtime_view); -} - -/// \ingroup JPEG_IO -/// \brief Saves the currently instantiated view to a jpeg file specified by the given jpeg image file name. -template <typename Views> -inline void jpeg_write_view(const std::string& filename,const any_image_view<Views>& runtime_view) { - jpeg_write_view(filename.c_str(),runtime_view); -} - -} } // namespace boost::gil - -#endif |