ceph/src/boost/boost/gil/extension/io/tiff/detail/write.hpp

   1 //
   2 // Copyright 2007-2012 Christian Henning, Lubomir Bourdev
   3 //
   4 // Distributed under the Boost Software License, Version 1.0
   5 // See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt
   7 //
   8 #ifndef BOOST_GIL_EXTENSION_IO_TIFF_DETAIL_WRITE_HPP
   9 #define BOOST_GIL_EXTENSION_IO_TIFF_DETAIL_WRITE_HPP
  10
  11 #include <boost/gil/extension/io/tiff/tags.hpp>
  12 #include <boost/gil/extension/io/tiff/detail/writer_backend.hpp>
  13 #include <boost/gil/extension/io/tiff/detail/device.hpp>
  14
  15 #include <boost/gil/premultiply.hpp>
  16 #include <boost/gil/io/base.hpp>
  17 #include <boost/gil/io/device.hpp>
  18 #include <boost/gil/io/dynamic_io_new.hpp>
  19
  20 #include <algorithm>
  21 #include <string>
  22 #include <type_traits>
  23 #include <vector>
  24
  25 extern "C" {
  26 #include "tiff.h"
  27 #include "tiffio.h"
  28 }
  29
  30 namespace boost { namespace gil {
  31
  32 #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
  33 #pragma warning(push)
  34 #pragma warning(disable:4512) //assignment operator could not be generated
  35 #endif
  36
  37 namespace detail {
  38
  39 template <typename PixelReference>
  40 struct my_interleaved_pixel_iterator_type_from_pixel_reference
  41 {
  42 private:
  43     using pixel_t = typename std::remove_reference<PixelReference>::type::value_type;
  44
  45 public:
  46     using type = typename iterator_type_from_pixel
  47         <
  48             pixel_t,
  49             false,
  50             false,
  51             true
  52         >::type;
  53 };
  54
  55
  56 template< typename Channel
  57         , typename Layout
  58         , bool Mutable
  59         >
  60 struct my_interleaved_pixel_iterator_type_from_pixel_reference< const bit_aligned_pixel_reference< byte_t
  61                                                                                                  , Channel
  62                                                                                                  , Layout
  63                                                                                                  , Mutable
  64                                                                                                  >
  65                                                               >
  66     : public iterator_type_from_pixel< const bit_aligned_pixel_reference< uint8_t
  67                                                                         , Channel
  68                                                                         , Layout
  69                                                                         , Mutable
  70                                                                         >
  71                                      ,false
  72                                      ,false
  73                                      ,true
  74                                      > {};
  75
  76 struct tiff_write_is_supported
  77 {
  78     template< typename View >
  79     struct apply
  80         : public is_write_supported< typename get_pixel_type< View >::type
  81                                    , tiff_tag
  82                                    >
  83     {};
  84 };
  85
  86 } // namespace detail
  87
  88 ///
  89 /// TIFF Writer
  90 ///
  91 template < typename Device, typename Log >
  92 class writer< Device
  93             , tiff_tag
  94             , Log
  95             >
  96     : public writer_backend< Device
  97                            , tiff_tag
  98                            >
  99 {
 100 private:
 101     using backend_t = writer_backend<Device, tiff_tag>;
 102
 103 public:
 104
 105     writer( const Device&                       io_dev
 106           , const image_write_info< tiff_tag >& info
 107           )
 108     : backend_t( io_dev
 109                , info
 110                )
 111     {}
 112
 113     template<typename View>
 114     void apply( const View& view )
 115     {
 116         write_view( view );
 117     }
 118
 119 private:
 120
 121     template< typename View >
 122     void write_view( const View& view )
 123     {
 124         using pixel_t = typename View::value_type;
 125         // get the type of the first channel (heterogeneous pixels might be broken for now!)
 126         using channel_t = typename channel_traits<typename element_type<pixel_t>::type>::value_type;
 127         tiff_bits_per_sample::type bits_per_sample = detail::unsigned_integral_num_bits< channel_t >::value;
 128
 129         tiff_samples_per_pixel::type samples_per_pixel = num_channels< pixel_t >::value;
 130
 131         this->write_header( view );
 132
 133         if( this->_info._is_tiled == false )
 134         {
 135             write_data( view
 136                       , (view.width() * samples_per_pixel * bits_per_sample + 7) / 8
 137                       , typename is_bit_aligned< pixel_t >::type()
 138                       );
 139         }
 140         else
 141         {
 142             tiff_tile_width::type  tw = this->_info._tile_width;
 143             tiff_tile_length::type th = this->_info._tile_length;
 144
 145             if(!this->_io_dev.check_tile_size( tw, th ))
 146             {
 147                 io_error( "Tile sizes need to be multiples of 16." );
 148             }
 149
 150             // tile related tags
 151             this->_io_dev.template set_property<tiff_tile_width> ( tw );
 152             this->_io_dev.template set_property<tiff_tile_length>( th );
 153
 154             write_tiled_data( view
 155                             , tw
 156                             , th
 157                             , typename is_bit_aligned< pixel_t >::type()
 158                             );
 159         }
 160     }
 161
 162         //////////////////////////////
 163
 164         template<typename View>
 165         void write_bit_aligned_view_to_dev( const View&       view
 166                                       , const std::size_t row_size_in_bytes
 167                                       , const std::true_type&    // has_alpha
 168                                       )
 169     {
 170         byte_vector_t row( row_size_in_bytes );
 171
 172         using x_it_t = typename View::x_iterator;
 173         x_it_t row_it = x_it_t( &(*row.begin()));
 174
 175                 auto pm_view = premultiply_view <typename View:: value_type> (view);
 176
 177         for( typename View::y_coord_t y = 0; y < pm_view.height(); ++y )
 178         {
 179                                         std::copy( pm_view.row_begin( y )
 180                                                                                  , pm_view.row_end( y )
 181                                                                                  , row_it
 182                                                 );
 183
 184
 185             this->_io_dev.write_scaline( row
 186                                        , (uint32) y
 187                                        , 0
 188                                        );
 189
 190             // @todo: do optional bit swapping here if you need to...
 191         }
 192     }
 193
 194         template<typename View>
 195         void write_bit_aligned_view_to_dev( const View&       view
 196                                       , const std::size_t row_size_in_bytes
 197                                       , const std::false_type&    // has_alpha
 198                                       )
 199     {
 200         byte_vector_t row( row_size_in_bytes );
 201
 202         using x_it_t = typename View::x_iterator;
 203         x_it_t row_it = x_it_t( &(*row.begin()));
 204
 205         for( typename View::y_coord_t y = 0; y < view.height(); ++y )
 206         {
 207                         std::copy( view.row_begin( y )
 208                      , view.row_end( y )
 209                      , row_it
 210                                      );
 211
 212
 213             this->_io_dev.write_scaline( row
 214                                        , (uint32) y
 215                                        , 0
 216                                        );
 217
 218             // @todo: do optional bit swapping here if you need to...
 219         }
 220     }
 221
 222     /////////////////////////////
 223
 224     template< typename View >
 225     void write_data( const View&   view
 226                    , std::size_t   row_size_in_bytes
 227                    , const std::true_type&    // bit_aligned
 228                    )
 229     {
 230         using colour_space_t = typename color_space_type<typename View::value_type>::type;
 231         using has_alpha_t = mp11::mp_contains<colour_space_t, alpha_t>;
 232
 233         write_bit_aligned_view_to_dev(view, row_size_in_bytes, has_alpha_t());
 234     }
 235
 236     template< typename View>
 237     void write_tiled_data( const View&            view
 238                          , tiff_tile_width::type  tw
 239                          , tiff_tile_length::type th
 240                          , const std::true_type&    // bit_aligned
 241                          )
 242     {
 243         byte_vector_t row( this->_io_dev.get_tile_size() );
 244
 245         using x_it_t = typename View::x_iterator;
 246         x_it_t row_it = x_it_t( &(*row.begin()));
 247
 248         internal_write_tiled_data(view, tw, th, row, row_it);
 249     }
 250
 251     template< typename View >
 252     void write_data( const View&   view
 253                    , std::size_t
 254                    , const std::false_type&    // bit_aligned
 255                    )
 256     {
 257         std::vector< pixel< typename channel_type< View >::type
 258                           , layout<typename color_space_type< View >::type >
 259                           >
 260                    > row( view.size() );
 261
 262         byte_t* row_addr = reinterpret_cast< byte_t* >( &row.front() );
 263
 264                                 // @todo: is there an overhead to doing this when there's no
 265                                 // alpha to premultiply by? I'd hope it's optimised out.
 266                                 auto pm_view = premultiply_view <typename View:: value_type> (view);
 267
 268         for( typename View::y_coord_t y = 0; y < pm_view.height(); ++y )
 269         {
 270                                         std::copy( pm_view.row_begin( y )
 271                                                                                  , pm_view.row_end( y )
 272                                                                                  , row.begin()
 273                                                 );
 274
 275             this->_io_dev.write_scaline( row_addr
 276                                        , (uint32) y
 277                                        , 0
 278                                        );
 279
 280             // @todo: do optional bit swapping here if you need to...
 281         }
 282     }
 283
 284     template< typename View >
 285     void write_tiled_data( const View&            view
 286                          , tiff_tile_width::type  tw
 287                          , tiff_tile_length::type th
 288                          , const std::false_type&    // bit_aligned
 289                          )
 290     {
 291         byte_vector_t row( this->_io_dev.get_tile_size() );
 292
 293         using x_iterator = typename detail::my_interleaved_pixel_iterator_type_from_pixel_reference<typename View::reference>::type;
 294         x_iterator row_it = x_iterator( &(*row.begin()));
 295
 296         internal_write_tiled_data(view, tw, th, row, row_it);
 297     }
 298
 299
 300         //////////////////////////////
 301
 302         template< typename View
 303             , typename IteratorType
 304             >
 305         void write_tiled_view_to_dev( const View&  view
 306                                 , IteratorType it
 307                                 , const std::true_type& // has_alpha
 308                                 )
 309     {
 310         auto pm_view = premultiply_view <typename View:: value_type>( view );
 311
 312         std::copy( pm_view.begin()
 313                  , pm_view.end()
 314                  , it
 315                  );
 316     }
 317
 318
 319         template< typename View
 320             , typename IteratorType
 321             >
 322         void write_tiled_view_to_dev( const View&  view
 323                                 , IteratorType it
 324                                 , const std::false_type& // has_alpha
 325                                 )
 326     {
 327         std::copy( view.begin()
 328                  , view.end()
 329                  , it
 330                  );
 331     }
 332
 333     /////////////////////////////
 334
 335
 336
 337     template< typename View,
 338               typename IteratorType
 339             >
 340     void internal_write_tiled_data( const View&            view
 341                                   , tiff_tile_width::type  tw
 342                                   , tiff_tile_length::type th
 343                                   , byte_vector_t&         row
 344                                   , IteratorType           it
 345                                   )
 346     {
 347         std::ptrdiff_t i = 0, j = 0;
 348         View tile_subimage_view;
 349         while( i < view.height() )
 350         {
 351             while( j < view.width() )
 352             {
 353                 if( j + tw < view.width() && i + th < view.height() )
 354                 {
 355                     // a tile is fully included in the image: just copy values
 356                     tile_subimage_view = subimage_view( view
 357                                                       , static_cast< int >( j  )
 358                                                       , static_cast< int >( i  )
 359                                                       , static_cast< int >( tw )
 360                                                       , static_cast< int >( th )
 361                                                       );
 362
 363                     using colour_space_t = typename color_space_type<typename View::value_type>::type;
 364                     using has_alpha_t = mp11::mp_contains<colour_space_t, alpha_t>;
 365
 366                     write_tiled_view_to_dev(tile_subimage_view, it, has_alpha_t());
 367                 }
 368                 else
 369                 {
 370                     std::ptrdiff_t width  = view.width();
 371                     std::ptrdiff_t height = view.height();
 372
 373                     std::ptrdiff_t current_tile_width  = ( j + tw < width ) ? tw : width  - j;
 374                     std::ptrdiff_t current_tile_length = ( i + th < height) ? th : height - i;
 375
 376                     tile_subimage_view = subimage_view( view
 377                                                       , static_cast< int >( j )
 378                                                       , static_cast< int >( i )
 379                                                       , static_cast< int >( current_tile_width )
 380                                                       , static_cast< int >( current_tile_length )
 381                                                       );
 382
 383                     for( typename View::y_coord_t y = 0; y < tile_subimage_view.height(); ++y )
 384                     {
 385                         std::copy( tile_subimage_view.row_begin( y )
 386                                  , tile_subimage_view.row_end( y )
 387                                  , it
 388                                  );
 389                         std::advance(it, tw);
 390                     }
 391
 392                     it = IteratorType( &(*row.begin()));
 393                 }
 394
 395                 this->_io_dev.write_tile( row
 396                                         , static_cast< uint32 >( j )
 397                                         , static_cast< uint32 >( i )
 398                                         , 0
 399                                         , 0
 400                                         );
 401                 j += tw;
 402             }
 403             j = 0;
 404             i += th;
 405         }
 406         // @todo: do optional bit swapping here if you need to...
 407     }
 408 };
 409
 410 ///
 411 /// TIFF Dynamic Image Writer
 412 ///
 413 template< typename Device >
 414 class dynamic_image_writer< Device
 415                           , tiff_tag
 416                           >
 417     : public writer< Device
 418                    , tiff_tag
 419                    >
 420 {
 421     using parent_t = writer<Device, tiff_tag>;
 422
 423 public:
 424
 425     dynamic_image_writer( const Device&                       io_dev
 426                         , const image_write_info< tiff_tag >& info
 427                         )
 428     : parent_t( io_dev
 429               , info
 430               )
 431     {}
 432
 433     template< typename Views >
 434     void apply( const any_image_view< Views >& views )
 435     {
 436         detail::dynamic_io_fnobj< detail::tiff_write_is_supported
 437                                 , parent_t
 438                                 > op( this );
 439
 440         apply_operation( views, op );
 441     }
 442 };
 443
 444 #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
 445 #pragma warning(pop)
 446 #endif
 447
 448 } // namespace gil
 449 } // namespace boost
 450
 451 #endif