[Olena-patches] r3317: Add untake and setvalue property to card accu

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena/sandbox ChangeLog: 2009-02-09 Edwin Carlinet &lt;carlinet(a)lrde.epita.fr&gt; Add untake and setvalue property to card accu. * edwin/accu_trait.hh: Add properties untake, stop, setvalue. * edwin/card.hh: Add untake/setvalue method. --- accu_trait.hh | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++------- card.hh | 2 + 2 files changed, 63 insertions(+), 8 deletions(-) Index: trunk/milena/sandbox/edwin/card.hh =================================================================== --- trunk/milena/sandbox/edwin/card.hh (revision 3316) +++ trunk/milena/sandbox/edwin/card.hh (revision 3317) @@ -18,6 +18,8 @@ void init () { c_ = 0; }; void take (const card<T>& accu) { c_ += accu.c_; }; void take (const T& elt) { ++c_; }; + void untake (const T& elt) { --c_; }; + void setvalue (const unsigned v) { c_ = v; }; unsigned to_result() const { return c_; }; bool is_valid () const { return true; }; Index: trunk/milena/sandbox/edwin/accu_trait.hh =================================================================== --- trunk/milena/sandbox/edwin/accu_trait.hh (revision 3316) +++ trunk/milena/sandbox/edwin/accu_trait.hh (revision 3317) @@ -3,7 +3,18 @@ # include <mln/trait/undef.hh> -# define mln_trait_accu_when_pix(A) typename trait::accu::accu_traits<A>::when_pix +/// Shortcut to the accumulator property about untake method disponibility +# define mln_trait_accu_has_untake(A) typename mln::trait::accu::accu_traits< A >::has_untake + +/// Shortcut to the accumulator property about setvalue method disponibility +# define mln_trait_accu_has_setvalue(A) typename mln::trait::accu::accu_traits< A >::has_setvalue + +/// Shortcut to the accumulator property about stop method disponibility +# define mln_trait_accu_has_stop(A) typename mln::trait::accu::accu_traits< A >::has_stop + +/// Shortcut to the accumulator property about behavior when pixel is given as take() value +/// Used for instance in mln::canvas::morpho::leveling +# define mln_trait_accu_when_pix(A) typename mln::trait::accu::accu_traits< A >::when_pix namespace mln @@ -21,18 +32,57 @@ namespace accu { + // Basic accumulators properties + + struct has_untake + { + struct any { protected: any() {}; }; + + struct no : any { std::string name() const { return "has_untake::no"; } }; + + struct yes : any { std::string name() const { return "has_untake::yes"; } }; + }; + + struct has_stop + { + struct any { protected: any() {}; }; + + struct no : any { std::string name() const { return "has_setvalue::no"; } }; + + struct yes : any { std::string name() const { return "has_stop::yes"; } }; + }; + + struct has_setvalue + { + struct any { protected: any() {}; }; + + struct no : any { std::string name() const { return "has_setvalue::no"; } }; + + struct yes : any { std::string name() const { return "has_setvalue::yes"; } }; + }; + + // Morphological accumulators properties struct when_pix { - struct use_v {}; - struct use_p {}; - struct use_pix {}; - struct use_whatever {}; - struct not_ok {}; + struct any { protected: any() {}; }; + + struct use_v : any { std::string name() const { return "when_pix::use_v"; } }; + + struct use_p : any { std::string name() const { return "when_pix::use_p"; } }; + + struct use_pix : any { std::string name() const { return "when_pix::use_pix"; } }; + + struct use_whatever { std::string name() const { return "when_pix::use_whatever"; } }; + + struct not_ok : any { std::string name() const { return "when_pix::not_ok"; } }; }; template <typename A> struct accu_traits { + typedef undef has_untake; + typedef undef has_stop; + typedef undef has_setvalue; typedef undef when_pix; }; @@ -40,11 +90,14 @@ template <typename T> struct accu_traits< mln::morpho::accu::card <T> > { + typedef has_stop::no has_stop; + typedef has_untake::yes has_untake; + typedef has_setvalue::yes has_setvalue; typedef when_pix::use_p when_pix; }; - } //accu + } //mln::accu - }//trait + } //mln::trait } //mln #endif /* !ACCU_TRAIT_HH_ */