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Diffstat (limited to 'chart2/source/view/charttypes/CategoryPositionHelper.cxx')
-rw-r--r-- | chart2/source/view/charttypes/CategoryPositionHelper.cxx | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/chart2/source/view/charttypes/CategoryPositionHelper.cxx b/chart2/source/view/charttypes/CategoryPositionHelper.cxx new file mode 100644 index 000000000..d7412d3cb --- /dev/null +++ b/chart2/source/view/charttypes/CategoryPositionHelper.cxx @@ -0,0 +1,82 @@ +/* -*- 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 "CategoryPositionHelper.hxx" + +namespace chart +{ + +CategoryPositionHelper::CategoryPositionHelper( double fSeriesCount, double fCategoryWidth ) + : m_fSeriesCount(fSeriesCount) + , m_fCategoryWidth(fCategoryWidth) + , m_fInnerDistance(0.0) + , m_fOuterDistance(1.0) +{ +} + +CategoryPositionHelper::~CategoryPositionHelper() +{ +} + +double CategoryPositionHelper::getScaledSlotWidth() const +{ + double fWidth = m_fCategoryWidth / + ( m_fSeriesCount + + m_fOuterDistance + + m_fInnerDistance*( m_fSeriesCount - 1.0) ); + return fWidth; +} + +double CategoryPositionHelper::getScaledSlotPos( double fScaledXPos, double fSeriesNumber ) const +{ + //the returned position is in the middle of the rect + //fSeriesNumber 0...n-1 + double fPos = fScaledXPos + - (m_fCategoryWidth/2.0) + + (m_fOuterDistance/2.0 + fSeriesNumber*(1.0+m_fInnerDistance)) * getScaledSlotWidth() + + getScaledSlotWidth()/2.0; + return fPos; +} + +void CategoryPositionHelper::setInnerDistance( double fInnerDistance ) +{ + if( fInnerDistance < -1.0 ) + fInnerDistance = -1.0; + if( fInnerDistance > 1.0 ) + fInnerDistance = 1.0; + m_fInnerDistance = fInnerDistance; +} + +void CategoryPositionHelper::setOuterDistance( double fOuterDistance ) +{ + if( fOuterDistance < 0.0 ) + fOuterDistance = 0.0; + if( fOuterDistance > 6.0 ) + fOuterDistance = 6.0; + m_fOuterDistance = fOuterDistance; +} + +void CategoryPositionHelper::setCategoryWidth( double fCategoryWidth ) +{ + m_fCategoryWidth = fCategoryWidth; +} + +} //namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |