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Diffstat (limited to 'boost/gil/extension/io/pnm/old.hpp')
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diff --git a/boost/gil/extension/io/pnm/old.hpp b/boost/gil/extension/io/pnm/old.hpp new file mode 100644 index 0000000000..a9a1529ca0 --- /dev/null +++ b/boost/gil/extension/io/pnm/old.hpp @@ -0,0 +1,181 @@ +/* + Copyright 2008 Christian Henning + 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). +*/ + +/*************************************************************************************************/ + +#ifndef BOOST_GIL_EXTENSION_IO_PNM_OLD_HPP +#define BOOST_GIL_EXTENSION_IO_PNM_OLD_HPP + +//////////////////////////////////////////////////////////////////////////////////////// +/// \file +/// \brief +/// \author Christian Henning \n +/// +/// \date 2008 \n +/// +//////////////////////////////////////////////////////////////////////////////////////// + +#include <boost/gil/extension/io/pnm.hpp> + +namespace boost { namespace gil { + +/// \ingroup PNM_IO +/// \brief Returns the width and height of the PNM file at the specified location. +/// Throws std::ios_base::failure if the location does not correspond to a valid PNM file +template< typename String > +inline +point2< std::ptrdiff_t > pnm_read_dimensions( const String& filename ) +{ + typedef typename get_reader_backend< String + , pnm_tag + >::type backend_t; + + backend_t backend = read_image_info( filename + , pnm_tag() + ); + + return point2< std::ptrdiff_t >( backend._info._width + , backend._info._height + ); +} + + +/// \ingroup PNM_IO +/// \brief Loads the image specified by the given pnm image file name into the given view. +/// Triggers a compile assert if the view color space and channel depth are not supported by the PNM library or by the I/O extension. +/// Throws std::ios_base::failure if the file is not a valid PNM 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 String + , typename View + > +inline +void pnm_read_view( const String& filename + , const View& view + ) +{ + read_view( filename + , view + , pnm_tag() + ); +} + +/// \ingroup PNM_IO +/// \brief Allocates a new image whose dimensions are determined by the given pnm 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 PNM library or by the I/O extension. +/// Throws std::ios_base::failure if the file is not a valid PNM file, or if its color space or channel depth are not +/// compatible with the ones specified by Image +template< typename String + , typename Image + > +inline +void pnm_read_image( const String& filename + , Image& img + ) +{ + read_image( filename + , img + , pnm_tag() + ); +} + +/// \ingroup PNM_IO +/// \brief Loads and color-converts the image specified by the given pnm image file name into the given view. +/// Throws std::ios_base::failure if the file is not a valid PNM file, or if its dimensions don't match the ones of the view. +template< typename String + , typename View + , typename CC + > +inline +void pnm_read_and_convert_view( const String& filename + , const View& view + , CC cc + ) +{ + read_and_convert_view( filename + , view + , cc + , pnm_tag() + ); +} + +/// \ingroup PNM_IO +/// \brief Loads and color-converts the image specified by the given pnm image file name into the given view. +/// Throws std::ios_base::failure if the file is not a valid PNM file, or if its dimensions don't match the ones of the view. +template< typename String + , typename View + > +inline +void pnm_read_and_convert_view( const String& filename + , const View& view + ) +{ + read_and_convert_view( filename + , view + , pnm_tag() + ); +} + +/// \ingroup PNM_IO +/// \brief Allocates a new image whose dimensions are determined by the given pnm image file, loads and color-converts the pixels into it. +/// Throws std::ios_base::failure if the file is not a valid PNM file +template< typename String + , typename Image + , typename CC + > +inline +void pnm_read_and_convert_image( const String& filename + , Image& img + , CC cc + ) +{ + read_and_convert_image( filename + , img + , cc + , pnm_tag() + ); +} + +/// \ingroup PNM_IO +/// \brief Allocates a new image whose dimensions are determined by the given pnm image file, loads and color-converts the pixels into it. +/// Throws std::ios_base::failure if the file is not a valid PNM file +template< typename String + , typename Image + > +inline +void pnm_read_and_convert_image( const String filename + , Image& img + ) +{ + read_and_convert_image( filename + , img + , pnm_tag() + ); +} + + +/// \ingroup PNM_IO +/// \brief Saves the view to a pnm file specified by the given pnm image file name. +/// Triggers a compile assert if the view color space and channel depth are not supported by the PNM library or by the I/O extension. +/// Throws std::ios_base::failure if it fails to create the file. +template< typename String + , typename View + > +inline +void pnm_write_view( const String& filename + , const View& view + ) +{ + write_view( filename + , view + , pnm_tag() + ); +} + +} // namespace gil +} // namespace boost + +#endif |