[Olena-patches] last-svn-commit-208-g0a6d80b Introduce an extension-by-mutable-image morpher.

* mln/core/image/dmorph/mutable_extension_ima.hh: New. * headers.mk: Regen. --- milena/ChangeLog | 7 ++ milena/headers.mk | 1 + .../{extension_ima.hh => mutable_extension_ima.hh} | 92 +++++++++----------- 3 files changed, 51 insertions(+), 49 deletions(-) copy milena/mln/core/image/dmorph/{extension_ima.hh => mutable_extension_ima.hh} (68%) diff --git a/milena/ChangeLog b/milena/ChangeLog index da73aef..4711d11 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,3 +1,10 @@ +2010-09-09 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; + + Introduce an extension-by-mutable-image morpher. + + * mln/core/image/dmorph/mutable_extension_ima.hh: New. + * headers.mk: Regen. + 2010-09-15 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; Catch up with the renaming to detach_cell. diff --git a/milena/headers.mk b/milena/headers.mk index 90dd918..a08fbfa 100644 --- a/milena/headers.mk +++ b/milena/headers.mk @@ -277,6 +277,7 @@ mln/core/image/dmorph/hexa.hh \ mln/core/image/dmorph/hexa_piter.hh \ mln/core/image/dmorph/image2d_h.hh \ mln/core/image/dmorph/image_if.hh \ +mln/core/image/dmorph/mutable_extension_ima.hh \ mln/core/image/dmorph/p2p_image.hh \ mln/core/image/dmorph/slice_image.hh \ mln/core/image/dmorph/sub_image.hh \ diff --git a/milena/mln/core/image/dmorph/extension_ima.hh b/milena/mln/core/image/dmorph/mutable_extension_ima.hh similarity index 68% copy from milena/mln/core/image/dmorph/extension_ima.hh copy to milena/mln/core/image/dmorph/mutable_extension_ima.hh index a0bc9ca..f208581 100644 --- a/milena/mln/core/image/dmorph/extension_ima.hh +++ b/milena/mln/core/image/dmorph/mutable_extension_ima.hh @@ -1,4 +1,4 @@ -// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory +// Copyright (C) 2008, 2009, 2010 EPITA Research and Development Laboratory // (LRDE) // // This file is part of Olena. @@ -24,13 +24,13 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_CORE_IMAGE_DMORPH_EXTENSION_IMA_HH -# define MLN_CORE_IMAGE_DMORPH_EXTENSION_IMA_HH +#ifndef MLN_CORE_IMAGE_DMORPH_MUTABLE_EXTENSION_IMA_HH +# define MLN_CORE_IMAGE_DMORPH_MUTABLE_EXTENSION_IMA_HH /// \file /// /// Definition of a morpher that extends the domain of an image -/// with an image. +/// with a readable and writable (rw) image. # include <mln/core/internal/image_identity.hh> @@ -40,17 +40,17 @@ namespace mln { // Forward declaration. - template <typename I, typename J> struct extension_ima; + template <typename I, typename J> struct mutable_extension_ima; namespace internal { - /// Data structure for \c mln::extension_ima<I, J>. + /// Data structure for \c mln::mutable_extension_ima<I, J>. template <typename I, typename J> - struct data< extension_ima<I, J> > + struct data< mutable_extension_ima<I, J> > { - data(I& ima, const J& ext); + data(I& ima, J& ext); I ima_; J ext_; @@ -63,7 +63,7 @@ namespace mln { template <typename I, typename J> - struct image_< extension_ima<I, J> > : image_< I > // Same as I except... + struct image_< mutable_extension_ima<I, J> > : image_< I > // Same as I except... { // ...these changes. typedef trait::image::category::identity_morpher category; @@ -77,11 +77,11 @@ namespace mln }; template <typename I, typename J, typename V> - struct ch_value< extension_ima<I, J>, V > + struct ch_value< mutable_extension_ima<I, J>, V > { typedef mlc_converts_to(mln_value(J), V) keep_ext; typedef mln_ch_value(I, V) Iv; - typedef extension_ima<Iv, J> Iv_ext; + typedef mutable_extension_ima<Iv, J> Iv_ext; typedef mlc_if(keep_ext, Iv_ext, Iv) ret; }; @@ -94,15 +94,15 @@ namespace mln /// \ingroup modimagedomainmorpher // template <typename I, typename J> - class extension_ima + class mutable_extension_ima - : public internal::image_identity< I, mln_domain(I), extension_ima<I, J> >, + : public internal::image_identity< I, mln_domain(I), mutable_extension_ima<I, J> >, private mlc_converts_to(mln_value(J), mln_value(I))::check_t { public: /// Skeleton. - typedef extension_ima< tag::image_<I>, tag::ext_<J> > skeleton; + typedef mutable_extension_ima< tag::image_<I>, tag::ext_<J> > skeleton; /// Image value type. typedef mln_value(I) value; @@ -111,14 +111,14 @@ namespace mln typedef mln_value(I) rvalue; /// Constructor without argument. - extension_ima(); + mutable_extension_ima(); /// Constructor from an image \p ima and a function \p ext. - extension_ima(I& ima, const J& ext); + mutable_extension_ima(I& ima, J& ext); /// Deferred initialization from an image \p ima and a function \p /// ext. - void init_(I& ima, const J& ext); + void init_(I& ima, J& ext); /// Test if \p p is valid. @@ -131,52 +131,52 @@ namespace mln mln_value(I) operator()(const mln_psite(I)& p) const; /// Read-write access to the image value located at site \p p. - mln_morpher_lvalue(I) operator()(const mln_psite(I)& p); + mln_lvalue(I) operator()(const mln_psite(I)& p); - /// Read-only access to the extension domain (image). - const J& extension() const; + /// Access to the extension domain (image). + J& extension() ; }; // init_ template <typename I, typename J, typename M> - void init_(tag::image_t, extension_ima<I,J>& target, const M& model); + void init_(tag::image_t, mutable_extension_ima<I,J>& target, const M& model); template <typename J, typename I> - void init_(tag::extension_t, J& target, const extension_ima<I,J>& model); + void init_(tag::extension_t, J& target, const mutable_extension_ima<I,J>& model); # ifndef MLN_INCLUDE_ONLY - // internal::data< extension_ima<I,S> > + // internal::data< mutable_extension_ima<I,S> > namespace internal { template <typename I, typename J> inline - data< extension_ima<I, J> >::data(I& ima, const J& ext) + data< mutable_extension_ima<I, J> >::data(I& ima, J& ext) : ima_(ima), - ext_(const_cast<J&>(ext)) + ext_(ext) { } } // end of namespace mln::internal - // extension_ima<I, J> + // mutable_extension_ima<I, J> template <typename I, typename J> inline - extension_ima<I, J>::extension_ima() + mutable_extension_ima<I, J>::mutable_extension_ima() { } template <typename I, typename J> inline - extension_ima<I, J>::extension_ima(I& ima, const J& ext) + mutable_extension_ima<I, J>::mutable_extension_ima(I& ima, J& ext) { init_(ima, ext); } @@ -184,16 +184,16 @@ namespace mln template <typename I, typename J> inline void - extension_ima<I, J>::init_(I& ima, const J& ext) + mutable_extension_ima<I, J>::init_(I& ima, J& ext) { - this->data_ = new internal::data< extension_ima<I, J> >(ima, ext); + this->data_ = new internal::data< mutable_extension_ima<I, J> >(ima, ext); } template <typename I, typename J> template <typename P> inline bool - extension_ima<I, J>::has(const P& p) const + mutable_extension_ima<I, J>::has(const P& p) const { mln_precondition(this->is_valid()); mln_precondition(this->data_->ext_.is_valid()); @@ -205,7 +205,7 @@ namespace mln template <typename I, typename J> inline mln_value(I) - extension_ima<I, J>::operator()(const mln_psite(I)& p) const + mutable_extension_ima<I, J>::operator()(const mln_psite(I)& p) const { mln_precondition(this->is_valid()); mln_precondition(has(p)); @@ -219,29 +219,23 @@ namespace mln template <typename I, typename J> inline - mln_morpher_lvalue(I) - extension_ima<I, J>::operator()(const mln_psite(I)& p) + mln_lvalue(I) + mutable_extension_ima<I, J>::operator()(const mln_psite(I)& p) { - static mln_value(I) cpy; mln_precondition(this->is_valid()); mln_precondition(has(p)); - // See the above comment about if-else v. ternary. + // if-else is preferred to the ternary op to allow for the + // function result to convert towards the expected return type. if (this->data_->ima_.domain().has(p)) return this->data_->ima_(p); else - { - // This hack makes this signature valid both in the image - // domain and in its extension. It works even if - // mln_morpher_lvalue(I) is a mutable reference. - cpy = this->data_->ext_(p); - return cpy; - } + return this->data_->ext_(p); } template <typename I, typename J> inline - const J& - extension_ima<I, J>::extension() const + J& + mutable_extension_ima<I, J>::extension() { mln_precondition(this->is_valid()); return this->data_->ext_; @@ -251,7 +245,7 @@ namespace mln template <typename I, typename J, typename M> inline - void init_(tag::image_t, extension_ima<I,J>& target, const M& model) + void init_(tag::image_t, mutable_extension_ima<I,J>& target, const M& model) { I ima; init_(tag::image, ima, model); @@ -262,10 +256,10 @@ namespace mln template <typename J, typename I> inline - void init_(tag::extension_t, J& target, const extension_ima<I,J>& model) + void init_(tag::extension_t, J& target, const mutable_extension_ima<I,J>& model) { typedef mlc_unconst(J) J_; - J_& ext_ = const_cast<J_&>(model.extension()); + J_& ext_ = const_cast< mutable_extension_ima<I,J>& >(model).extension(); J_& target_ = const_cast<J_&>(target); target_ = ext_; } @@ -275,4 +269,4 @@ namespace mln } // end of namespace mln -#endif // ! MLN_CORE_IMAGE_DMORPH_EXTENSION_IMA_HH +#endif // ! MLN_CORE_IMAGE_DMORPH_MUTABLE_EXTENSION_IMA_HH -- 1.5.6.5