diff options
Diffstat (limited to 'source/blender/freestyle/intern/scene_graph')
-rw-r--r-- | source/blender/freestyle/intern/scene_graph/SceneHash.cpp | 39 | ||||
-rw-r--r-- | source/blender/freestyle/intern/scene_graph/SceneHash.h | 67 |
2 files changed, 106 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/scene_graph/SceneHash.cpp b/source/blender/freestyle/intern/scene_graph/SceneHash.cpp new file mode 100644 index 00000000000..6e8856f1b93 --- /dev/null +++ b/source/blender/freestyle/intern/scene_graph/SceneHash.cpp @@ -0,0 +1,39 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/freestyle/intern/scene_graph/SceneHash.cpp + * \ingroup freestyle + */ + +#include "SceneHash.h" + +namespace Freestyle { + +void SceneHash::visitIndexedFaceSet(IndexedFaceSet& ifs) +{ + const real *v = ifs.vertices(); + const unsigned n = ifs.vsize(); + + for (unsigned i = 0; i < n; i++) { + _hashcode += v[i]; + } +} + +} /* namespace Freestyle */ diff --git a/source/blender/freestyle/intern/scene_graph/SceneHash.h b/source/blender/freestyle/intern/scene_graph/SceneHash.h new file mode 100644 index 00000000000..8f5f847eaab --- /dev/null +++ b/source/blender/freestyle/intern/scene_graph/SceneHash.h @@ -0,0 +1,67 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef __FREESTYLE_SCENE_HASH_H__ +#define __FREESTYLE_SCENE_HASH_H__ + +/** \file blender/freestyle/intern/scene_graph/SceneHash.h + * \ingroup freestyle + */ + +#include "IndexedFaceSet.h" +#include "SceneVisitor.h" + +#ifdef WITH_CXX_GUARDEDALLOC +#include "MEM_guardedalloc.h" +#endif + +namespace Freestyle { + +class SceneHash : public SceneVisitor +{ +public: + inline SceneHash() : SceneVisitor() + { + _hashcode = 0.0; + } + + virtual ~SceneHash() {} + + VISIT_DECL(IndexedFaceSet) + + inline real getValue() { + return _hashcode; + } + + inline void reset() { + _hashcode = 0.0; + } + +private: + real _hashcode; + +#ifdef WITH_CXX_GUARDEDALLOC + MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:SceneHash") +#endif +}; + +} /* namespace Freestyle */ + +#endif // __FREESTYLE_SCENE_HASH_H__ |