--- milena/ChangeLog | 4 ++ milena/mln/core/concept/image.hh | 63 ++++++++++++++++++++++++++----------- 2 files changed, 48 insertions(+), 19 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 231ee28..29c9d5e 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,9 @@ 2013-04-30 Guillaume Lazzara <z@lrde.epita.fr> + * mln/core/concept/image.hh: Document Image concept. + +2013-04-30 Guillaume Lazzara <z@lrde.epita.fr> + * mln/fun/p2b/has.hh: Fix invalid super type. 2013-04-30 Guillaume Lazzara <z@lrde.epita.fr> diff --git a/milena/mln/core/concept/image.hh b/milena/mln/core/concept/image.hh index f302425..3a10dea 100644 --- a/milena/mln/core/concept/image.hh +++ b/milena/mln/core/concept/image.hh @@ -69,20 +69,31 @@ namespace mln /*! + \headerfile <> \brief Base class for implementation of image classes. - \ingroup modconcepts - */ - template <typename E> - struct Image : public Object<E> - { - typedef Image<void> category; - - template <typename J> - Image<E>& operator=(const J& rhs); - - /* - // provided by internal::image_base: + In Milena, every image is considered as a composition of both: + \li A function \f$F\f$ + \f$ + ima : \left\{ + \begin{array}{lll} + Site &\rightarrow & Value \\ + p & \mapsto & ima(p) + \end{array} + \right. + \f$ + \li A domain of definition \f$D\f$. + + A domain \f$D\f$ is represented as a mln::Site_Set which provides + the set of sites (localization information) on which the image is + defined. + The function \f$F\f$ returns a value for a given site. + + mln::Image is a concept class. It is not meant to be instantiated + directly. All image classes in Milena inherit from it and + provide the following methods and typedefs: + + \code typedef domain_t; typedef site; typedef psite; @@ -92,7 +103,6 @@ namespace mln typedef bkd_piter; bool has(const psite& p) const; - unsigned nsites() const; // If relevant. bool is_valid() const; @@ -104,11 +114,6 @@ namespace mln typedef value; - // to be provided in concrete image classes: - - typedef vset; - const vset& values() const; - typedef rvalue; typedef lvalue; rvalue operator()(const psite& p) const; @@ -117,7 +122,27 @@ namespace mln const domain_t& domain() const; typedef skeleton; - */ + \endcode + + More explanations and documentation of each typedefs/methods are + provided in the inherited classes. A list of images is available + in module \ref modimage. Image types are divided into two main + categories: \ref modimageconcrete and \ref modimagemorpher. + + A list of features provided in image classes is detailed in module + \ref modimage. + + \ingroup modconcepts + */ + template <typename E> + struct Image : public Object<E> + { + typedef Image<void> category; + + template <typename J> + Image<E>& operator=(const J& rhs); + + // Required interface is provided by internal::image_base: protected: Image(); -- 1.7.2.5