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-rw-r--r--basegfx/source/vector/b2dvector.cxx184
-rw-r--r--basegfx/source/vector/b2ivector.cxx65
-rw-r--r--basegfx/source/vector/b3dvector.cxx86
3 files changed, 335 insertions, 0 deletions
diff --git a/basegfx/source/vector/b2dvector.cxx b/basegfx/source/vector/b2dvector.cxx
new file mode 100644
index 0000000000..85ec6ca811
--- /dev/null
+++ b/basegfx/source/vector/b2dvector.cxx
@@ -0,0 +1,184 @@
+/* -*- 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/b2dvector.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+
+namespace basegfx
+{
+ B2DVector& B2DVector::normalize()
+ {
+ double fLen(scalar(*this));
+
+ if(fTools::equalZero(fLen))
+ {
+ mnX = 0.0;
+ mnY = 0.0;
+ }
+ else
+ {
+ const double fOne(1.0);
+
+ if(!fTools::equal(fOne, fLen))
+ {
+ fLen = sqrt(fLen);
+
+ if(!fTools::equalZero(fLen))
+ {
+ mnX /= fLen;
+ mnY /= fLen;
+ }
+ }
+ }
+
+ return *this;
+ }
+
+ double B2DVector::getLength() const
+ {
+ if(fTools::equalZero(mnX))
+ {
+ return fabs(mnY);
+ }
+ else if(fTools::equalZero(mnY))
+ {
+ return fabs(mnX);
+ }
+
+ return hypot( mnX, mnY );
+ }
+
+ double B2DVector::angle( const B2DVector& rVec ) const
+ {
+ return atan2(mnX * rVec.getY() - mnY * rVec.getX(),
+ mnX * rVec.getX() + mnY * rVec.getY());
+ }
+
+ const B2DVector& B2DVector::getEmptyVector()
+ {
+ return static_cast<const B2DVector&>( B2DTuple::getEmptyTuple() );
+ }
+
+ B2DVector& B2DVector::operator*=( const B2DHomMatrix& rMat )
+ {
+ const double fTempX( rMat.get(0,0)*mnX +
+ rMat.get(0,1)*mnY );
+ const double fTempY( rMat.get(1,0)*mnX +
+ rMat.get(1,1)*mnY );
+ mnX = fTempX;
+ mnY = fTempY;
+
+ return *this;
+ }
+
+ B2DVector& B2DVector::setLength(double fLen)
+ {
+ double fLenNow(scalar(*this));
+
+ if(!fTools::equalZero(fLenNow))
+ {
+ const double fOne(1.0);
+
+ if(!fTools::equal(fOne, fLenNow))
+ {
+ fLen /= sqrt(fLenNow);
+ }
+
+ mnX *= fLen;
+ mnY *= fLen;
+ }
+
+ return *this;
+ }
+
+ bool areParallel( const B2DVector& rVecA, const B2DVector& rVecB )
+ {
+ const double fValA(rVecA.getX() * rVecB.getY());
+ const double fValB(rVecA.getY() * rVecB.getX());
+
+ return fTools::equal(fValA, fValB);
+ }
+
+ B2VectorOrientation getOrientation( const B2DVector& rVecA, const B2DVector& rVecB )
+ {
+ double fVal(rVecA.getX() * rVecB.getY() - rVecA.getY() * rVecB.getX());
+
+ if(fTools::equalZero(fVal))
+ {
+ return B2VectorOrientation::Neutral;
+ }
+
+ if(fVal > 0.0)
+ {
+ return B2VectorOrientation::Positive;
+ }
+ else
+ {
+ return B2VectorOrientation::Negative;
+ }
+ }
+
+ B2DVector getPerpendicular( const B2DVector& rNormalizedVec )
+ {
+ B2DVector aPerpendicular(-rNormalizedVec.getY(), rNormalizedVec.getX());
+ return aPerpendicular;
+ }
+
+ B2DVector getNormalizedPerpendicular( const B2DVector& rVec )
+ {
+ B2DVector aPerpendicular(rVec);
+ aPerpendicular.normalize();
+ const double aTemp(-aPerpendicular.getY());
+ aPerpendicular.setY(aPerpendicular.getX());
+ aPerpendicular.setX(aTemp);
+ return aPerpendicular;
+ }
+
+ B2DVector operator*( const B2DHomMatrix& rMat, const B2DVector& rVec )
+ {
+ B2DVector aRes( rVec );
+ aRes *= rMat;
+ return aRes;
+ }
+
+ B2VectorContinuity getContinuity(const B2DVector& rBackVector, const B2DVector& rForwardVector )
+ {
+ if(rBackVector.equalZero() || rForwardVector.equalZero())
+ {
+ return B2VectorContinuity::NONE;
+ }
+
+ if(fTools::equal(rBackVector.getX(), -rForwardVector.getX()) && fTools::equal(rBackVector.getY(), -rForwardVector.getY()))
+ {
+ // same direction and same length -> C2
+ return B2VectorContinuity::C2;
+ }
+
+ if(areParallel(rBackVector, rForwardVector) && rBackVector.scalar(rForwardVector) < 0.0)
+ {
+ // parallel and opposite direction -> C1
+ return B2VectorContinuity::C1;
+ }
+
+ return B2VectorContinuity::NONE;
+ }
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/basegfx/source/vector/b2ivector.cxx b/basegfx/source/vector/b2ivector.cxx
new file mode 100644
index 0000000000..5b45871a39
--- /dev/null
+++ b/basegfx/source/vector/b2ivector.cxx
@@ -0,0 +1,65 @@
+/* -*- 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/b2ivector.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+
+namespace basegfx
+{
+ B2IVector& B2IVector::operator=( const ::basegfx::B2ITuple& rVec )
+ {
+ mnX = rVec.getX();
+ mnY = rVec.getY();
+ return *this;
+ }
+
+ B2IVector& B2IVector::operator*=( const B2DHomMatrix& rMat )
+ {
+ mnX = fround( rMat.get(0,0)*mnX +
+ rMat.get(0,1)*mnY );
+ mnY = fround( rMat.get(1,0)*mnX +
+ rMat.get(1,1)*mnY );
+
+ return *this;
+ }
+
+ B2IVector& B2IVector::setLength(double fLen)
+ {
+ double fLenNow(scalar(*this));
+
+ if(!::basegfx::fTools::equalZero(fLenNow))
+ {
+ const double fOne(1.0);
+
+ if(!::basegfx::fTools::equal(fOne, fLenNow))
+ {
+ fLen /= sqrt(fLenNow);
+ }
+
+ mnX = fround( mnX*fLen );
+ mnY = fround( mnY*fLen );
+ }
+
+ return *this;
+ }
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/basegfx/source/vector/b3dvector.cxx b/basegfx/source/vector/b3dvector.cxx
new file mode 100644
index 0000000000..89bc33c2bd
--- /dev/null
+++ b/basegfx/source/vector/b3dvector.cxx
@@ -0,0 +1,86 @@
+/* -*- 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);
+
+ mnX /= fLen;
+ mnY /= fLen;
+ mnZ /= 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)*mnX + rMat.get(0,1)*mnY + rMat.get(0,2)*mnZ );
+ const double fTempY( rMat.get(1,0)*mnX + rMat.get(1,1)*mnY + rMat.get(1,2)*mnZ );
+ const double fTempZ( rMat.get(2,0)*mnX + rMat.get(2,1)*mnY + rMat.get(2,2)*mnZ );
+ mnX = fTempX;
+ mnY = fTempY;
+ mnZ = 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: */
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