1 files changed, 89 insertions, 0 deletions
diff --git a/basegfx/source/vector/b3dvector.cxx b/basegfx/source/vector/b3dvector.cxx
new file mode 100644
index 000000000..7dd5acf57
--- /dev/null
+++ b/basegfx/source/vector/b3dvector.cxx
@@ -0,0 +1,89 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <basegfx/vector/b3dvector.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+
+namespace basegfx
+{
+    B3DVector& B3DVector::normalize()
+    {
+        double fLen(scalar(*this));
+
+        if(!::basegfx::fTools::equalZero(fLen))
+        {
+            const double fOne(1.0);
+
+            if(!::basegfx::fTools::equal(fOne, fLen))
+            {
+                fLen = sqrt(fLen);
+
+                if(!::basegfx::fTools::equalZero(fLen))
+                {
+                    mfX /= fLen;
+                    mfY /= fLen;
+                    mfZ /= fLen;
+                }
+            }
+        }
+
+        return *this;
+    }
+
+    B3DVector B3DVector::getPerpendicular(const B3DVector& rNormalizedVec) const
+    {
+        B3DVector aNew = cross(*this, rNormalizedVec);
+        aNew.normalize();
+        return aNew;
+    }
+
+    B3DVector& B3DVector::operator*=( const ::basegfx::B3DHomMatrix& rMat )
+    {
+        const double fTempX( rMat.get(0,0)*mfX + rMat.get(0,1)*mfY + rMat.get(0,2)*mfZ );
+        const double fTempY( rMat.get(1,0)*mfX + rMat.get(1,1)*mfY + rMat.get(1,2)*mfZ );
+        const double fTempZ( rMat.get(2,0)*mfX + rMat.get(2,1)*mfY + rMat.get(2,2)*mfZ );
+        mfX = fTempX;
+        mfY = fTempY;
+        mfZ = fTempZ;
+
+        return *this;
+    }
+
+    B3DVector operator*( const ::basegfx::B3DHomMatrix& rMat, const B3DVector& rVec )
+    {
+        B3DVector aRes( rVec );
+        aRes *= rMat;
+        return aRes;
+    }
+
+    bool areParallel( const B3DVector& rVecA, const B3DVector& rVecB )
+    {
+        // i think fastest is to compare relations, need no square or division
+        if(!fTools::equal(rVecA.getX() * rVecB.getY(), rVecA.getY() * rVecB.getX()))
+            return false;
+
+        if(!fTools::equal(rVecA.getX() * rVecB.getZ(), rVecA.getZ() * rVecB.getX()))
+            return false;
+
+        return fTools::equal(rVecA.getY() * rVecB.getZ(), rVecA.getZ() * rVecB.getY());
+    }
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */