include/basebmp/fillimage.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_BASEBMP_FILLIMAGE_HXX
  21 #define INCLUDED_BASEBMP_FILLIMAGE_HXX
  22
  23 #include <vigra/tuple.hxx>
  24 #include <vigra/iteratortraits.hxx>
  25
  26 namespace basebmp
  27 {
  28
  29 template< class DestIterator, class DestAccessor, typename T >
  30 void fillImage( DestIterator begin,
  31                 DestIterator end,
  32                 DestAccessor ad,
  33                 T            fillVal )
  34 {
  35     const int width ( end.x - begin.x );
  36     const int height( end.y - begin.y );
  37
  38     for( int y=0; y<height; ++y, ++begin.y )
  39     {
  40         typename vigra::IteratorTraits<DestIterator>::row_iterator
  41             rowIter( begin.rowIterator() );
  42         const typename vigra::IteratorTraits<DestIterator>::row_iterator
  43             rowEnd( rowIter + width );
  44
  45         // TODO(P2): Provide specialized span fill methods on the
  46         // iterator/accessor
  47         while( rowIter != rowEnd )
  48             ad.set(fillVal, rowIter++);
  49     }
  50 }
  51
  52 template< class DestIterator, class DestAccessor, typename T >
  53 inline void fillImage( vigra::triple<DestIterator,DestIterator,DestAccessor> const& src,
  54                        T                                                            fillVal )
  55 {
  56     fillImage(src.first,src.second,src.third,fillVal);
  57 }
  58
  59 } // namespace basebmp
  60
  61 #endif /* INCLUDED_BASEBMP_FILLIMAGE_HXX */
  62
  63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */