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Diffstat (limited to 'boost/gil/extension/io/png_io.hpp')
| -rw-r--r-- | boost/gil/extension/io/png_io.hpp | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/boost/gil/extension/io/png_io.hpp b/boost/gil/extension/io/png_io.hpp deleted file mode 100644 index 9b57cebb86..0000000000 --- a/boost/gil/extension/io/png_io.hpp +++ /dev/null @@ -1,214 +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_IO_H -#define GIL_PNG_IO_H - -/// \file -/// \brief Support for reading and writing PNG files -/// Requires libpng and zlib! -// -// We are currently providing the following functions: -// point2<std::ptrdiff_t> png_read_dimensions(const char*) -// template <typename View> void png_read_view(const char*,const View&) -// template <typename View> void png_read_image(const char*,image<View>&) -// template <typename View> void png_write_view(const char*,const View&) -// template <typename View> struct png_read_support; -// template <typename View> struct png_write_support; -// -/// \author Hailin Jin and Lubomir Bourdev \n -/// Adobe Systems Incorporated -/// \date 2005-2007 \n Last updated September 24, 2006 - -#include <stdio.h> -#include <string> -extern "C" { -#include "png.h" -} -#include <boost/static_assert.hpp> -#include "../../gil_config.hpp" -#include "../../utilities.hpp" -#include "io_error.hpp" -#include "png_io_private.hpp" - -namespace boost { namespace gil { - -/// \ingroup PNG_IO -/// \brief Returns the width and height of the PNG file at the specified location. -/// Throws std::ios_base::failure if the location does not correspond to a valid PNG file -inline point2<std::ptrdiff_t> png_read_dimensions(const char *filename) { - detail::png_reader m(filename); - return m.get_dimensions(); -} - -/// \ingroup PNG_IO -/// \brief Returns the width and height of the PNG file at the specified location. -/// Throws std::ios_base::failure if the location does not correspond to a valid PNG file -inline point2<std::ptrdiff_t> png_read_dimensions(const std::string& filename) { - return png_read_dimensions(filename.c_str()); -} - -/// \ingroup PNG_IO -/// \brief Determines whether the given view type is supported for reading -template <typename View> -struct png_read_support { - BOOST_STATIC_CONSTANT(bool,is_supported= - (detail::png_read_support_private<typename channel_type<View>::type, - typename color_space_type<View>::type>::is_supported)); - BOOST_STATIC_CONSTANT(int,bit_depth= - (detail::png_read_support_private<typename channel_type<View>::type, - typename color_space_type<View>::type>::bit_depth)); - BOOST_STATIC_CONSTANT(int,color_type= - (detail::png_read_support_private<typename channel_type<View>::type, - typename color_space_type<View>::type>::color_type)); - BOOST_STATIC_CONSTANT(bool, value=is_supported); -}; - -/// \ingroup PNG_IO -/// \brief Loads the image specified by the given png image file name into the given view. -/// Triggers a compile assert if the view color space and channel depth are not supported by the PNG library or by the I/O extension. -/// Throws std::ios_base::failure if the file is not a valid PNG file, or if its color space or channel depth are not -/// compatible with the ones specified by View, or if its dimensions don't match the ones of the view. -template <typename View> -inline void png_read_view(const char* filename,const View& view) { - BOOST_STATIC_ASSERT(png_read_support<View>::is_supported); - detail::png_reader m(filename); - m.apply(view); -} - -/// \ingroup PNG_IO -/// \brief Loads the image specified by the given png image file name into the given view. -template <typename View> -inline void png_read_view(const std::string& filename,const View& view) { - png_read_view(filename.c_str(),view); -} - -/// \ingroup PNG_IO -/// \brief Allocates a new image whose dimensions are determined by the given png image file, and loads the pixels into it. -/// Triggers a compile assert if the image color space or channel depth are not supported by the PNG library or by the I/O extension. -/// Throws std::ios_base::failure if the file is not a valid PNG file, or if its color space or channel depth are not -/// compatible with the ones specified by Image -template <typename Image> -inline void png_read_image(const char* filename,Image& im) { - BOOST_STATIC_ASSERT(png_read_support<typename Image::view_t>::is_supported); - detail::png_reader m(filename); - m.read_image(im); -} - -/// \ingroup PNG_IO -/// \brief Allocates a new image whose dimensions are determined by the given png image file, and loads the pixels into it. -template <typename Image> -inline void png_read_image(const std::string& filename,Image& im) { - png_read_image(filename.c_str(),im); -} - -/// \ingroup PNG_IO -/// \brief Loads the image specified by the given png image file name and color-converts it into the given view. -/// Throws std::ios_base::failure if the file is not a valid PNG file, or if its dimensions don't match the ones of the view. -template <typename View,typename CC> -inline void png_read_and_convert_view(const char* filename,const View& view,CC cc) { - detail::png_reader_color_convert<CC> m(filename,cc); - m.apply(view); -} - -/// \ingroup PNG_IO -/// \brief Loads the image specified by the given png image file name and color-converts it into the given view. -/// Throws std::ios_base::failure if the file is not a valid PNG file, or if its dimensions don't match the ones of the view. -template <typename View> -inline void png_read_and_convert_view(const char* filename,const View& view) { - detail::png_reader_color_convert<default_color_converter> m(filename,default_color_converter()); - m.apply(view); -} - -/// \ingroup PNG_IO -/// \brief Loads the image specified by the given png image file name and color-converts it into the given view. -template <typename View,typename CC> -inline void png_read_and_convert_view(const std::string& filename,const View& view,CC cc) { - png_read_and_convert_view(filename.c_str(),view,cc); -} - -/// \ingroup PNG_IO -/// \brief Loads the image specified by the given png image file name and color-converts it into the given view. -template <typename View> -inline void png_read_and_convert_view(const std::string& filename,const View& view) { - png_read_and_convert_view(filename.c_str(),view); -} - -/// \ingroup PNG_IO -/// \brief Allocates a new image whose dimensions are determined by the given png image file, loads and color-converts the pixels into it. -/// Throws std::ios_base::failure if the file is not a valid PNG file -template <typename Image,typename CC> -inline void png_read_and_convert_image(const char* filename,Image& im,CC cc) { - detail::png_reader_color_convert<CC> m(filename,cc); - m.read_image(im); -} - -/// \ingroup PNG_IO -/// \brief Allocates a new image whose dimensions are determined by the given png image file, loads and color-converts the pixels into it. -/// Throws std::ios_base::failure if the file is not a valid PNG file -template <typename Image> -inline void png_read_and_convert_image(const char* filename,Image& im) { - detail::png_reader_color_convert<default_color_converter> m(filename,default_color_converter()); - m.read_image(im); -} - -/// \ingroup PNG_IO -/// \brief Allocates a new image whose dimensions are determined by the given png image file, loads and color-converts the pixels into it. -template <typename Image,typename CC> -inline void png_read_and_convert_image(const std::string& filename,Image& im,CC cc) { - png_read_and_convert_image(filename.c_str(),im,cc); -} - -/// \ingroup PNG_IO -/// \brief Allocates a new image whose dimensions are determined by the given png image file, loads and color-converts the pixels into it. -template <typename Image> -inline void png_read_and_convert_image(const std::string& filename,Image& im) { - png_read_and_convert_image(filename.c_str(),im); -} - -/// \ingroup PNG_IO -/// \brief Determines whether the given view type is supported for writing -template <typename View> -struct png_write_support { - BOOST_STATIC_CONSTANT(bool,is_supported= - (detail::png_write_support_private<typename channel_type<View>::type, - typename color_space_type<View>::type>::is_supported)); - BOOST_STATIC_CONSTANT(int,bit_depth= - (detail::png_write_support_private<typename channel_type<View>::type, - typename color_space_type<View>::type>::bit_depth)); - BOOST_STATIC_CONSTANT(int,color_type= - (detail::png_write_support_private<typename channel_type<View>::type, - typename color_space_type<View>::type>::color_type)); - BOOST_STATIC_CONSTANT(bool, value=is_supported); -}; - -/// \ingroup PNG_IO -/// \brief Saves the view to a png file specified by the given png image file name. -/// Triggers a compile assert if the view color space and channel depth are not supported by the PNG library or by the I/O extension. -/// Throws std::ios_base::failure if it fails to create the file. -template <typename View> -inline void png_write_view(const char* filename,const View& view) { - BOOST_STATIC_ASSERT(png_write_support<View>::is_supported); - detail::png_writer m(filename); - m.apply(view); -} - -/// \ingroup PNG_IO -/// \brief Saves the view to a png file specified by the given png image file name. -template <typename View> -inline void png_write_view(const std::string& filename,const View& view) { - png_write_view(filename.c_str(),view); -} - -} } // namespace boost::gil - -#endif |