image.h ソースファイル

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 // 
 // Copyright (c) 2003-2011, MIST Project, Nagoya University
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without modification,
 // are permitted provided that the following conditions are met:
 // 
 // 1. Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 // 
 // 2. Redistributions in binary form must reproduce the above copyright notice,
 // this list of conditions and the following disclaimer in the documentation
 // and/or other materials provided with the distribution.
 // 
 // 3. Neither the name of the Nagoya University nor the names of its contributors
 // may be used to endorse or promote products derived from this software
 // without specific prior written permission.
 // 
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 // FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // 
 
 #ifndef __INCLUDE_MIST_IMAGE__
 #define __INCLUDE_MIST_IMAGE__
 
 
 #ifndef __INCLUDE_MIST_H__
 #include "../mist.h"
 #endif
 
 #ifndef __INCLUDE_MIST_BMP__
 #include "bmp.h"
 #endif
 
 #ifndef __INCLUDE_MIST_PNG__
 #include "png.h"
 #endif
 
 #ifndef __INCLUDE_MIST_GIF__
 #include "gif.h"
 #endif
 
 #ifndef __INCLUDE_MIST_TIFF__
 #include "tiff.h"
 #endif
 
 #ifndef __INCLUDE_MIST_JPEG__
 #include "jpeg.h"
 #endif
 
 #ifndef __INCLUDE_MIST_PNM__
 #include "pnm.h"
 #endif
 
 #ifndef __INCLUDE_MIST_TGA__
 #include "tga.h"
 #endif
 
 #include <iostream>
 #include <string>
 
 
 // mist名前空間の始まり
 _MIST_BEGIN
 
 
 namespace __image_controller__
 {
     inline std::string to_lower_case( const std::string &str )
     {
         std::string s = "";
         for( std::string::size_type i = 0 ; i < str.size( ) ; i++ )
         {
             s += static_cast< char >( tolower( str[ i ] ) );
         }
         return( s );
     }
 
     inline std::string get_ext( const std::string &str )
     {
         std::string::size_type index = str.rfind( '.' );
         if( index == str.npos )
         {
             return( "" );
         }
         return( str.substr( index ) );
     }
 }
 
 
 
 
 
 template < class T, class Allocator >
 inline bool read_image( mist::array2< T, Allocator > &image, const std::string &filename )
 {
     typedef typename mist::array2< T, Allocator >::size_type size_type;
 
     std::string ext = __image_controller__::to_lower_case( __image_controller__::get_ext( filename ) );
     if( ext == "" )
     {
         return( false );
     }
 
     bool ret = false;
     if( ext == ".jpeg" || ext == ".jpg" )
     {
         ret = mist::read_jpeg( image, filename );
     }
     else if( ext == ".bmp" )
     {
         ret = mist::read_bmp( image, filename );
     }
     else if( ext == ".tiff" || ext == ".tif" )
     {
         ret = mist::read_tiff( image, filename );
     }
     else if( ext == ".png" )
     {
         ret = mist::read_png( image, filename );
     }
     else if( ext == ".pbm" || ext == ".pgm" || ext == ".ppm" || ext == ".pnm" )
     {
         ret = mist::read_pnm( image, filename );
     }
     else if( ext == ".tga" )
     {
         ret = mist::read_tga( image, filename );
     }
     else if( ext == ".gif" )
     {
         ret = mist::read_gif( image, filename );
     }
     else
     {
         ret = false;
     }
     return( ret );
 }
 
 template < class T, class Allocator >
 inline bool read_image( mist::array2< T, Allocator > &image, const std::wstring &filename )
 {
     return( read_image( image, wstr2str( filename ) ) );
 }
 
 template < class T, class Allocator >
 inline bool write_image( const mist::array2< T, Allocator > &image, const std::string &filename )
 {
     typedef typename mist::array2< T, Allocator >::size_type size_type;
 
     std::string ext = __image_controller__::to_lower_case( __image_controller__::get_ext( filename ) );
     if( ext == "" )
     {
         std::cerr << "Unknown file type!" << std::endl;
         return( false );
     }
 
     if( image.width( ) == 0 )
     {
         std::cerr << "Image width is zero!" << std::endl;
         return( false );
     }
     else if( image.height( ) == 0 )
     {
         std::cerr << "Image height is zero!" << std::endl;
         return( false );
     }
 
     bool ret = false;
     if( ext == ".jpeg" || ext == ".jpg" )
     {
         ret = mist::write_jpeg( image, filename );
     }
     else if( ext == ".bmp" )
     {
         ret = mist::write_bmp( image, filename );
     }
     else if( ext == ".tiff" || ext == ".tif" )
     {
         ret = mist::write_tiff( image, filename );
     }
     else if( ext == ".png" )
     {
         ret = mist::write_png( image, filename );
     }
     else if( ext == ".pbm" )
     {
         ret = mist::write_pnm( image, filename, 1 );
     }
     else if( ext == ".pgm" )
     {
         ret = mist::write_pnm( image, filename, 2 );
     }
     else if( ext == ".ppm" || ext == ".pnm" )
     {
         ret = mist::write_pnm( image, filename, 3 );
     }
     else if( ext == ".tga" )
     {
         ret = mist::write_tga( image, filename );
     }
     else
     {
         ret = false;
     }
     return( ret );
 }
 
 template < class T, class Allocator >
 inline bool write_image( const mist::array2< T, Allocator > &image, const std::wstring &filename )
 {
     return( write_image( image, wstr2str( filename ) ) );
 }
 
 //  画像入出力グループの終わり
 
 
 // mist名前空間の終わり
 _MIST_END
 
 
 #endif // __INCLUDE_MIST_IMAGE__
 