diff options
Diffstat (limited to 'basegfx/source/point/b3ipoint.cxx')
-rw-r--r-- | basegfx/source/point/b3ipoint.cxx | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/basegfx/source/point/b3ipoint.cxx b/basegfx/source/point/b3ipoint.cxx new file mode 100644 index 000000000000..19bb25b8bf46 --- /dev/null +++ b/basegfx/source/point/b3ipoint.cxx @@ -0,0 +1,79 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_basegfx.hxx" +#include <basegfx/point/b3ipoint.hxx> +#include <basegfx/matrix/b3dhommatrix.hxx> +#include <basegfx/numeric/ftools.hxx> + +namespace basegfx +{ + B3IPoint& B3IPoint::operator*=( const ::basegfx::B3DHomMatrix& rMat ) + { + double fTempX( + rMat.get(0, 0) * mnX + + rMat.get(0, 1) * mnY + + rMat.get(0, 2) * mnZ + + rMat.get(0, 3)); + double fTempY( + rMat.get(1, 0) * mnX + + rMat.get(1, 1) * mnY + + rMat.get(1, 2) * mnZ + + rMat.get(1, 3)); + double fTempZ( + rMat.get(2, 0) * mnX + + rMat.get(2, 1) * mnY + + rMat.get(2, 2) * mnZ + + rMat.get(2, 3)); + + if(!rMat.isLastLineDefault()) + { + const double fOne(1.0); + const double fTempM( + rMat.get(3, 0) * mnX + + rMat.get(3, 1) * mnY + + rMat.get(3, 2) * mnZ + + rMat.get(3, 3)); + + if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM)) + { + fTempX /= fTempM; + fTempY /= fTempM; + fTempZ /= fTempM; + } + } + + mnX = fround(fTempX); + mnY = fround(fTempY); + mnZ = fround(fTempZ); + + return *this; + } +} // end of namespace basegfx + +// eof |