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Added some metafunctions to fulfill some og gil's concepts.

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[SVN r84391]
This commit is contained in:
Christian Henning
2013-05-20 15:44:30 +00:00
committed by Stefan Seefeld
parent cb66285008
commit 74ed5ca92d
1 changed files with 133 additions and 6 deletions
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139
include/boost/gil/extension/toolbox/image_types/subchroma_image.hpp
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@@ -117,6 +117,58 @@ struct subchroma_image_locator
};
/////////////////////////////
// PixelBasedConcept
/////////////////////////////
template < typename Locator, typename Factors >
struct channel_type< subchroma_image_locator< Locator, Factors > >
: public channel_type< typename subchroma_image_locator< Locator, Factors >::type > {};
template < typename Locator, typename Factors >
struct color_space_type< subchroma_image_locator< Locator, Factors > >
: public color_space_type< typename subchroma_image_locator< Locator, Factors >::type > {};
template < typename Locator, typename Factors >
struct channel_mapping_type< subchroma_image_locator< Locator, Factors > >
: public channel_mapping_type< typename subchroma_image_locator< Locator, Factors >::type > {};
template < typename Locator, typename Factors >
struct is_planar< subchroma_image_locator< Locator, Factors > >
: public is_planar< typename subchroma_image_locator< Locator, Factors >::type > {};
/////////////////////////////
// HasDynamicXStepTypeConcept
/////////////////////////////
template < typename Locator, typename Factors >
struct dynamic_x_step_type< subchroma_image_locator< Locator, Factors > >
{
typedef typename subchroma_image_locator< Locator, Factors >::type type;
};
/////////////////////////////
// HasDynamicYStepTypeConcept
/////////////////////////////
template < typename Locator, typename Factors >
struct dynamic_y_step_type< subchroma_image_locator< Locator, Factors > >
{
typedef typename subchroma_image_locator< Locator, Factors >::type type;
};
/////////////////////////////
// HasTransposedTypeConcept
/////////////////////////////
template < typename Locator, typename Factors >
struct transposed_type< subchroma_image_locator< Locator, Factors > >
{
typedef typename subchroma_image_locator< Locator, Factors >::type type;
};
//////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
/// \class subchroma_image_view
/// \ingroup ImageViewModel PixelBasedModel
@@ -130,8 +182,8 @@ class subchroma_image_view : public image_view< Locator >
{
public:
typedef typename Locator locator_t;
typedef typename locator_t::deref_fn_t deref_fn_t;
typedef typename Locator locator;
typedef typename locator::deref_fn_t deref_fn_t;
typedef typename deref_fn_t::plane_locator_t plane_locator_t;
@@ -159,7 +211,7 @@ public:
/// copy constructor
template< typename Subchroma_View >
subchroma_image_view( const Subchroma_View& v )
: image_view< locator_t >( v )
: image_view< locator >( v )
{}
const point_t& v_ssfactors() const { return point_t( get_deref_fn().vx_ssfactor(), get_deref_fn().vx_ssfactor() ); }
@@ -191,6 +243,59 @@ private:
point_t _u_dimensions;
};
/////////////////////////////
// PixelBasedConcept
/////////////////////////////
template < typename Locator, typename Factors >
struct channel_type< subchroma_image_view< Locator, Factors > >
: public channel_type< Locator > {};
template < typename Locator, typename Factors >
struct color_space_type< subchroma_image_view< Locator, Factors > >
: public color_space_type< Locator > {};
template < typename Locator, typename Factors >
struct channel_mapping_type< subchroma_image_view< Locator, Factors > >
: public channel_mapping_type< Locator > {};
template < typename Locator, typename Factors >
struct is_planar< subchroma_image_view< Locator, Factors > >
: public is_planar< Locator > {};
/////////////////////////////
// HasDynamicXStepTypeConcept
/////////////////////////////
template < typename Locator, typename Factors >
struct dynamic_x_step_type< subchroma_image_view< Locator, Factors > >
{
typedef image_view< typename dynamic_x_step_type< Locator >::type > type;
};
/////////////////////////////
// HasDynamicYStepTypeConcept
/////////////////////////////
template < typename Locator, typename Factors >
struct dynamic_y_step_type< subchroma_image_view< Locator, Factors > >
{
typedef image_view< typename dynamic_y_step_type< Locator >::type > type;
};
/////////////////////////////
// HasTransposedTypeConcept
/////////////////////////////
template < typename Locator, typename Factors >
struct transposed_type< subchroma_image_view< Locator, Factors > >
{
typedef image_view< typename transposed_type< Locator >::type > type;
};
/////////////////////////////////////////////////////////////
template< int J
, int a
, int b
@@ -246,7 +351,7 @@ template< typename Pixel
class subchroma_image : public Scaling_Factors< mpl::at_c< Factors, 0 >::type::value
, mpl::at_c< Factors, 1 >::type::value
, mpl::at_c< Factors, 2 >::type::value
>
>
{
public:
@@ -282,7 +387,7 @@ public:
, _v_plane( y_width / ss_X, y_height / ss_Y, 0, Allocator() )
, _u_plane( y_width / ss_X, y_height / ss_Y, 0, Allocator() )
{
init( point_t( y_width, y_height ) );
init();
}
public:
@@ -291,7 +396,7 @@ public:
private:
void init( const point_t& y_dimensions )
void init()
{
typedef subchroma_image_deref_fn< pixel_locator_t
, Factors
@@ -323,6 +428,28 @@ private:
plane_image_t _u_plane;
};
/////////////////////////////
// PixelBasedConcept
/////////////////////////////
template < typename Pixel, typename Factors, typename Alloc >
struct channel_type< subchroma_image< Pixel, Factors, Alloc > >
: public channel_type< Pixel > {};
template < typename Pixel, typename Factors, typename Alloc >
struct color_space_type< subchroma_image< Pixel, Factors, Alloc > >
: public color_space_type< Pixel > {};
template < typename Pixel, typename Factors, typename Alloc >
struct channel_mapping_type< subchroma_image< Pixel, Factors, Alloc > >
: public channel_mapping_type< Pixel > {};
template < typename Pixel, typename Factors, typename Alloc >
struct is_planar< subchroma_image< Pixel, Factors, Alloc > >
: public mpl::bool_< false > {};
/////////////////////////////////////////////////////////////////////////////////////////
/// \name view, const_view
/// \brief Get an image view from an subchroma_image