Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 146 insertions, 0 deletions

diff --git a/chart2/source/view/axes/Tickmarks_Equidistant.hxx b/chart2/source/view/axes/Tickmarks_Equidistant.hxx
new file mode 100644
index 000000000..bb6553339
--- /dev/null
+++ b/chart2/source/view/axes/Tickmarks_Equidistant.hxx
@@ -0,0 +1,146 @@
+/* -*- 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 .
+ */
+#pragma once
+
+#include "Tickmarks.hxx"
+#include <memory>
+
+#include <o3tl/safeint.hxx>
+
+namespace chart
+{
+
+class EquidistantTickIter : public TickIter
+{
+public:
+    EquidistantTickIter( const css::uno::Sequence< css::uno::Sequence< double > >& rTicks
+                , const ExplicitIncrementData& rIncrement
+                , sal_Int32 nMaxDepth );
+    EquidistantTickIter( TickInfoArraysType& rTickInfos
+            , const ExplicitIncrementData& rIncrement
+            , sal_Int32 nMaxDepth );
+    virtual ~EquidistantTickIter() override;
+
+    double*     firstValue();
+    double*     nextValue();
+
+    virtual TickInfo*   firstInfo() override;
+    virtual TickInfo*   nextInfo() override;
+
+private: //methods
+    sal_Int32   getIntervalCount( sal_Int32 nDepth );
+    bool        isAtLastPartTick();
+
+    void        initIter( sal_Int32 nMaxDepth );
+    sal_Int32   getStartDepth() const;
+
+    bool        gotoFirst();
+    bool        gotoNext();
+
+    double      getTickValue(sal_Int32 nDepth, sal_Int32 nIndex) const
+                {
+                    if(m_pSimpleTicks)
+                        return (*m_pSimpleTicks)[nDepth][nIndex];
+                    else
+                    {
+                        if ((*m_pInfoTicks)[nDepth].size() <= o3tl::make_unsigned(nIndex))
+                            return std::numeric_limits<double>::max();
+                        return (((*m_pInfoTicks)[nDepth])[nIndex]).fScaledTickValue;
+                    }
+                }
+    sal_Int32   getTickCount( sal_Int32 nDepth ) const
+                {
+                    if(m_pSimpleTicks)
+                        return (*m_pSimpleTicks)[nDepth].getLength();
+                    else
+                        return (*m_pInfoTicks)[nDepth].size();
+                }
+    sal_Int32   getMaxDepth() const
+                {
+                    if(m_pSimpleTicks)
+                        return (*m_pSimpleTicks).getLength()-1;
+                    else
+                        return (*m_pInfoTicks).size()-1;
+                }
+
+private: //member
+    const css::uno::Sequence< css::uno::Sequence< double > >*  m_pSimpleTicks;
+    TickInfoArraysType*       m_pInfoTicks;
+    const ExplicitIncrementData& m_rIncrement;
+    sal_Int32   m_nMaxDepth;
+    sal_Int32   m_nTickCount;
+    std::unique_ptr<sal_Int32[]>
+                m_pnPositions; //current positions in the different sequences
+    std::unique_ptr<sal_Int32[]>
+                m_pnPreParentCount; //the tickmarks do not start with a major tick always,
+                                    //the PreParentCount states for each depth how many subtickmarks are available in front of the first parent tickmark
+    std::unique_ptr<bool[]>
+                m_pbIntervalFinished;
+    sal_Int32   m_nCurrentDepth;
+    sal_Int32   m_nCurrentPos;
+    double      m_fCurrentValue;
+};
+
+class EquidistantTickFactory
+{
+public:
+    EquidistantTickFactory(
+         const ExplicitScaleData& rScale
+        , const ExplicitIncrementData& rIncrement );
+    ~EquidistantTickFactory();
+
+    void getAllTicks( TickInfoArraysType& rAllTickInfos ) const;
+    void getAllTicksShifted( TickInfoArraysType& rAllTickInfos ) const;
+
+    static double getMinimumAtIncrement( double fMin, const ExplicitIncrementData& rIncrement );
+    static double getMaximumAtIncrement( double fMax, const ExplicitIncrementData& rIncrement );
+
+private: //methods
+    void        addSubTicks( sal_Int32 nDepth,
+                        css::uno::Sequence< css::uno::Sequence< double > >& rParentTicks ) const;
+    double*     getMajorTick( sal_Int32 nTick ) const;
+    double*     getMinorTick( sal_Int32 nTick, sal_Int32 nDepth
+                    , double fStartParentTick, double fNextParentTick ) const;
+    sal_Int32   getMaxTickCount( sal_Int32 nDepth ) const;
+    sal_Int32   getTickDepth() const;
+
+    bool        isVisible( double fValue ) const;
+    bool        isWithinOuterBorder( double fScaledValue ) const; //all within the outer major tick marks
+
+private: //member
+    ExplicitScaleData     m_rScale;
+    ExplicitIncrementData m_rIncrement;
+    css::uno::Reference< css::chart2::XScaling > m_xInverseScaling;
+
+    //minimum and maximum of the visible range after scaling
+    double    m_fScaledVisibleMin;
+    double    m_fScaledVisibleMax;
+
+    std::unique_ptr<double[]>
+              m_pfCurrentValues;
+    //major-tick positions that may lay outside the visible range but complete partly visible intervals at the borders
+    double    m_fOuterMajorTickBorderMin;
+    double    m_fOuterMajorTickBorderMax;
+    double    m_fOuterMajorTickBorderMin_Scaled;
+    double    m_fOuterMajorTickBorderMax_Scaled;
+};
+
+} //namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */