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Diffstat (limited to '')
-rw-r--r-- | chart2/source/view/main/VPolarTransformation.cxx | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/chart2/source/view/main/VPolarTransformation.cxx b/chart2/source/view/main/VPolarTransformation.cxx new file mode 100644 index 000000000..9ec2eea3f --- /dev/null +++ b/chart2/source/view/main/VPolarTransformation.cxx @@ -0,0 +1,88 @@ +/* -*- 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 <VPolarTransformation.hxx> + +using namespace ::com::sun::star; + +using ::com::sun::star::uno::Sequence; + +namespace chart +{ + +VPolarTransformation::VPolarTransformation( const PolarPlottingPositionHelper& rPositionHelper ) + : m_aPositionHelper(rPositionHelper) + , m_aUnitCartesianToScene( rPositionHelper.getUnitCartesianToScene() ) +{ +} + +VPolarTransformation::~VPolarTransformation() +{ +} + +// ____ XTransformation2 ____ +css::drawing::Position3D VPolarTransformation::transform( + const Sequence< double >& rSourceValues ) const +{ + double fScaledLogicAngle = rSourceValues[0]; + double fScaledLogicRadius = rSourceValues[1]; + + if( m_aPositionHelper.isSwapXAndY() ) + std::swap(fScaledLogicAngle,fScaledLogicRadius); + + double fAngleDegree = m_aPositionHelper.transformToAngleDegree( fScaledLogicAngle, false ); + double fAnglePi = basegfx::deg2rad(fAngleDegree); + double fRadius = m_aPositionHelper.transformToRadius( fScaledLogicRadius, false); + + double fX=fRadius*cos(fAnglePi); + double fY=fRadius*sin(fAnglePi); + double fZ=rSourceValues[2]; + + //!! applying matrix to vector does ignore translation, so it is important to use a B3DPoint here instead of B3DVector + ::basegfx::B3DPoint aPoint(fX,fY,fZ); + ::basegfx::B3DPoint aRet = m_aUnitCartesianToScene * aPoint; + return css::drawing::Position3D(aRet.getX(), aRet.getY(), aRet.getZ()); +} + +css::drawing::Position3D VPolarTransformation::transform( + const css::drawing::Position3D& rSourceValues ) const +{ + double fScaledLogicAngle = rSourceValues.PositionX; + double fScaledLogicRadius = rSourceValues.PositionY; + + if( m_aPositionHelper.isSwapXAndY() ) + std::swap(fScaledLogicAngle,fScaledLogicRadius); + + double fAngleDegree = m_aPositionHelper.transformToAngleDegree( fScaledLogicAngle, false ); + double fAnglePi = basegfx::deg2rad(fAngleDegree); + double fRadius = m_aPositionHelper.transformToRadius( fScaledLogicRadius, false); + + double fX=fRadius*cos(fAnglePi); + double fY=fRadius*sin(fAnglePi); + double fZ=rSourceValues.PositionZ; + + //!! applying matrix to vector does ignore translation, so it is important to use a B3DPoint here instead of B3DVector + ::basegfx::B3DPoint aPoint(fX,fY,fZ); + ::basegfx::B3DPoint aRet = m_aUnitCartesianToScene * aPoint; + return css::drawing::Position3D(aRet.getX(), aRet.getY(), aRet.getZ()); +} + +} // namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |