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Unified Diff: source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h

Issue 7416049: Freestyle r54826 branch review Base URL: https://svn.blender.org/svnroot/bf-blender/trunk/blender/
Patch Set: Created 11 years, 1 month ago
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Index: source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h
===================================================================
--- source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h (revision 0)
+++ source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h (working copy)
@@ -0,0 +1,95 @@
+/*
+ * ***** 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.
+ *
+ * The Original Code is Copyright (C) 2010 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __FREESTYLE_ADVANCED_PREDICATES_1D_H__
+#define __FREESTYLE_ADVANCED_PREDICATES_1D_H__
+
+/** \file blender/freestyle/intern/stroke/AdvancedPredicates1D.h
+ * \ingroup freestyle
+ * \brief Class gathering stroke creation algorithms
+ * \author Stephane Grabli
+ * \date 01/07/2003
+ */
+
+#include <string>
+
+#include "AdvancedFunctions1D.h"
+#include "Predicates1D.h"
+
+#include "../view_map/Interface1D.h"
+
+//
+// Predicates definitions
+//
+///////////////////////////////////////////////////////////
+
+namespace Predicates1D {
+
+// DensityLowerThanUP1D
+/*! Returns true if the density evaluated for the
+* Interface1D is less than a user-defined density value.
+*/
+class DensityLowerThanUP1D : public UnaryPredicate1D
+{
+public:
+ /*! Builds the functor.
+ * \param threshold
+ * The value of the threshold density.
+ * Any Interface1D having a density lower than this threshold will match.
+ * \param sigma
+ * The sigma value defining the density evaluation window size used in the DensityF0D functor.
+ */
+ DensityLowerThanUP1D(double threshold, double sigma = 2)
+ {
+ _threshold = threshold;
+ _sigma = sigma;
+ }
+
+ /*! Returns the string "DensityLowerThanUP1D" */
+ string getName() const
+ {
+ return "DensityLowerThanUP1D";
+ }
+
+ /*! The () operator. */
+ int operator()(Interface1D& inter)
+ {
+ Functions1D::DensityF1D fun(_sigma);
+ if (fun(inter) < 0)
+ return -1;
+ result = (fun.result < _threshold);
+ return 0;
+ }
+
+private:
+ double _sigma;
+ double _threshold;
+};
+
+} // end of namespace Predicates1D
+
+#endif // __FREESTYLE_ADVANCED_PREDICATES_1D_H__

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