Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 424 insertions, 0 deletions

diff --git a/chart2/source/view/inc/PlottingPositionHelper.hxx b/chart2/source/view/inc/PlottingPositionHelper.hxx
new file mode 100644
index 000000000..198941330
--- /dev/null
+++ b/chart2/source/view/inc/PlottingPositionHelper.hxx
@@ -0,0 +1,424 @@
+/* -*- 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 .
+ */
+#ifndef INCLUDED_CHART2_SOURCE_VIEW_INC_PLOTTINGPOSITIONHELPER_HXX
+#define INCLUDED_CHART2_SOURCE_VIEW_INC_PLOTTINGPOSITIONHELPER_HXX
+
+#include <chartview/ExplicitScaleValues.hxx>
+
+#include <basegfx/range/b2drectangle.hxx>
+#include <rtl/math.hxx>
+#include <com/sun/star/drawing/Direction3D.hpp>
+#include <com/sun/star/drawing/Position3D.hpp>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <com/sun/star/awt/Point.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+
+namespace com::sun::star::chart2 { class XTransformation; }
+namespace com::sun::star::drawing { class XShapes; }
+namespace com::sun::star::drawing { struct HomogenMatrix; }
+namespace com::sun::star::drawing { struct PolyPolygonShape3D; }
+
+namespace chart
+{
+
+class ShapeFactory;
+
+class PlottingPositionHelper
+{
+public:
+    PlottingPositionHelper();
+    PlottingPositionHelper( const PlottingPositionHelper& rSource );
+    virtual ~PlottingPositionHelper();
+
+    virtual std::unique_ptr<PlottingPositionHelper> clone() const;
+    std::unique_ptr<PlottingPositionHelper> createSecondaryPosHelper( const ExplicitScaleData& rSecondaryScale );
+
+    virtual void setTransformationSceneToScreen( const css::drawing::HomogenMatrix& rMatrix);
+
+    virtual void setScales( const std::vector< ExplicitScaleData >& rScales, bool bSwapXAndYAxis );
+    const std::vector< ExplicitScaleData >& getScales() const { return m_aScales;}
+
+    //better performance for big data
+    inline void   setCoordinateSystemResolution( const css::uno::Sequence< sal_Int32 >& rCoordinateSystemResolution );
+    inline bool   isSameForGivenResolution( double fX, double fY, double fZ
+                                , double fX2, double fY2, double fZ2 );
+
+    inline bool   isStrongLowerRequested( sal_Int32 nDimensionIndex ) const;
+    inline bool   isLogicVisible( double fX, double fY, double fZ ) const;
+    inline void   doLogicScaling( double* pX, double* pY, double* pZ ) const;
+    inline void   doUnshiftedLogicScaling( double* pX, double* pY, double* pZ ) const;
+    inline void   clipLogicValues( double* pX, double* pY, double* pZ ) const;
+           void   clipScaledLogicValues( double* pX, double* pY, double* pZ ) const;
+    inline bool   clipYRange( double& rMin, double& rMax ) const;
+
+    inline void   doLogicScaling( css::drawing::Position3D& rPos ) const;
+
+    virtual css::uno::Reference< css::chart2::XTransformation >
+                  getTransformationScaledLogicToScene() const;
+
+    virtual css::drawing::Position3D
+            transformLogicToScene( double fX, double fY, double fZ, bool bClip ) const;
+
+    virtual css::drawing::Position3D
+            transformScaledLogicToScene( double fX, double fY, double fZ, bool bClip ) const;
+
+    void    transformScaledLogicToScene( css::drawing::PolyPolygonShape3D& rPoly ) const;
+
+    static css::awt::Point transformSceneToScreenPosition(
+                  const css::drawing::Position3D& rScenePosition3D
+                , const css::uno::Reference< css::drawing::XShapes >& xSceneTarget
+                , ShapeFactory* pShapeFactory, sal_Int32 nDimensionCount );
+
+    inline double getLogicMinX() const;
+    inline double getLogicMinY() const;
+    inline double getLogicMinZ() const;
+    inline double getLogicMaxX() const;
+    inline double getLogicMaxY() const;
+    inline double getLogicMaxZ() const;
+
+    inline bool isMathematicalOrientationX() const;
+    inline bool isMathematicalOrientationY() const;
+    inline bool isMathematicalOrientationZ() const;
+
+    ::basegfx::B2DRectangle     getScaledLogicClipDoubleRect() const;
+    css::drawing::Direction3D getScaledLogicWidth() const;
+
+    inline bool isSwapXAndY() const;
+
+    bool isPercentY() const;
+
+    double getBaseValueY() const;
+
+    inline bool maySkipPointsInRegressionCalculation() const;
+
+    void setTimeResolution( long nTimeResolution, const Date& rNullDate );
+    virtual void setScaledCategoryWidth( double fScaledCategoryWidth );
+    void AllowShiftXAxisPos( bool bAllowShift );
+    void AllowShiftZAxisPos( bool bAllowShift );
+
+protected: //member
+    std::vector< ExplicitScaleData >  m_aScales;
+    ::basegfx::B3DHomMatrix             m_aMatrixScreenToScene;
+
+    //this is calculated based on m_aScales and m_aMatrixScreenToScene
+    mutable css::uno::Reference< css::chart2::XTransformation >  m_xTransformationLogicToScene;
+
+    bool    m_bSwapXAndY;//e.g. true for bar chart and false for column chart
+
+    sal_Int32 m_nXResolution;
+    sal_Int32 m_nYResolution;
+    sal_Int32 m_nZResolution;
+
+    bool m_bMaySkipPointsInRegressionCalculation;
+
+    bool m_bDateAxis;
+    long m_nTimeResolution;
+    Date m_aNullDate;
+
+    double m_fScaledCategoryWidth;
+    bool   m_bAllowShiftXAxisPos;
+    bool   m_bAllowShiftZAxisPos;
+};
+
+class PolarPlottingPositionHelper : public PlottingPositionHelper
+{
+public:
+    PolarPlottingPositionHelper();
+    PolarPlottingPositionHelper( const PolarPlottingPositionHelper& rSource );
+    virtual ~PolarPlottingPositionHelper() override;
+
+    virtual std::unique_ptr<PlottingPositionHelper> clone() const override;
+
+    virtual void setTransformationSceneToScreen( const css::drawing::HomogenMatrix& rMatrix) override;
+    virtual void setScales( const std::vector< ExplicitScaleData >& rScales, bool bSwapXAndYAxis ) override;
+
+    const ::basegfx::B3DHomMatrix& getUnitCartesianToScene() const { return m_aUnitCartesianToScene;}
+
+    virtual css::uno::Reference< css::chart2::XTransformation >
+                  getTransformationScaledLogicToScene() const override;
+
+    //the resulting values provided by the following 3 methods should be used
+    //for input to the transformation received with
+    //'getTransformationScaledLogicToScene'
+
+    /** Given a value in the radius axis scale range, it returns the normalized
+     *  value.
+     */
+    double  transformToRadius( double fLogicValueOnRadiusAxis, bool bDoScaling=true ) const;
+
+    /** Given a value in the angle axis scale range (e.g. [0,1] for pie charts)
+     *  this method returns the related angle in degree.
+     */
+    double  transformToAngleDegree( double fLogicValueOnAngleAxis, bool bDoScaling=true ) const;
+
+    /** Given 2 values in the angle axis scale range (e.g. [0,1] for pie charts)
+     *  this method returns the angle between the 2 values keeping into account
+     *  the correct axis orientation; (for instance, this method is used for
+     *  computing the angle width of a pie slice).
+     */
+    double  getWidthAngleDegree( double& fStartLogicValueOnAngleAxis, double& fEndLogicValueOnAngleAxis ) const;
+
+    virtual css::drawing::Position3D
+            transformLogicToScene( double fX, double fY, double fZ, bool bClip ) const override;
+    virtual css::drawing::Position3D
+            transformScaledLogicToScene( double fX, double fY, double fZ, bool bClip ) const override;
+    css::drawing::Position3D
+            transformAngleRadiusToScene( double fLogicValueOnAngleAxis, double fLogicValueOnRadiusAxis, double fLogicZ, bool bDoScaling=true ) const;
+
+    /** It returns the scene coordinates of the passed point: this point is
+     *  described through a normalized cylindrical coordinate system.
+     *  (For a pie chart the origin of the coordinate system is the pie center).
+     */
+    css::drawing::Position3D
+            transformUnitCircleToScene( double fUnitAngleDegree, double fUnitRadius, double fLogicZ ) const;
+
+    using PlottingPositionHelper::transformScaledLogicToScene;
+
+    double  getOuterLogicRadius() const;
+
+    inline bool isMathematicalOrientationAngle() const;
+    inline bool isMathematicalOrientationRadius() const;
+public:
+    ///m_bSwapXAndY (inherited): by default the X axis (scale[0]) represents
+    ///the angle axis and the Y axis (scale[1]) represents the radius axis;
+    ///when this parameter is true, the opposite happens (this is the case for
+    ///pie charts).
+
+    ///Offset for radius axis in absolute logic scaled values (1.0 == 1 category)
+    ///For a donut, it represents the non-normalized inner radius (see notes for
+    ///transformToRadius)
+    double      m_fRadiusOffset;
+    ///Offset for angle axis in real degree.
+    ///For a pie it represents the angle offset at which the first slice have to
+    ///start;
+    double      m_fAngleDegreeOffset;
+
+private:
+    ::basegfx::B3DHomMatrix m_aUnitCartesianToScene;
+
+    ::basegfx::B3DHomMatrix impl_calculateMatrixUnitCartesianToScene( const ::basegfx::B3DHomMatrix& rMatrixScreenToScene ) const;
+};
+
+bool PolarPlottingPositionHelper::isMathematicalOrientationAngle() const
+{
+    const ExplicitScaleData& rScale = m_bSwapXAndY ? m_aScales[1] : m_aScales[2];
+    if( css::chart2::AxisOrientation_MATHEMATICAL==rScale.Orientation )
+        return true;
+    return false;
+}
+bool PolarPlottingPositionHelper::isMathematicalOrientationRadius() const
+{
+    const ExplicitScaleData& rScale = m_bSwapXAndY ? m_aScales[0] : m_aScales[1];
+    if( css::chart2::AxisOrientation_MATHEMATICAL==rScale.Orientation )
+        return true;
+    return false;
+}
+
+//better performance for big data
+void PlottingPositionHelper::setCoordinateSystemResolution( const css::uno::Sequence< sal_Int32 >& rCoordinateSystemResolution )
+{
+    m_nXResolution = 1000;
+    m_nYResolution = 1000;
+    m_nZResolution = 1000;
+    if( rCoordinateSystemResolution.getLength() > 0 )
+        m_nXResolution = rCoordinateSystemResolution[0];
+    if( rCoordinateSystemResolution.getLength() > 1 )
+        m_nYResolution = rCoordinateSystemResolution[1];
+    if( rCoordinateSystemResolution.getLength() > 2 )
+        m_nZResolution = rCoordinateSystemResolution[2];
+}
+
+bool PlottingPositionHelper::isSameForGivenResolution( double fX, double fY, double fZ
+                                , double fX2, double fY2, double fZ2 /*these values are all expected tp be scaled already*/ )
+{
+    if( !std::isfinite(fX) || !std::isfinite(fY) || !std::isfinite(fZ)
+        || !std::isfinite(fX2) || !std::isfinite(fY2) || !std::isfinite(fZ2) )
+        return false;
+
+    double fScaledMinX = getLogicMinX();
+    double fScaledMinY = getLogicMinY();
+    double fScaledMinZ = getLogicMinZ();
+    double fScaledMaxX = getLogicMaxX();
+    double fScaledMaxY = getLogicMaxY();
+    double fScaledMaxZ = getLogicMaxZ();
+
+    doLogicScaling( &fScaledMinX, &fScaledMinY, &fScaledMinZ );
+    doLogicScaling( &fScaledMaxX, &fScaledMaxY, &fScaledMaxZ);
+
+    bool bSameX = ( static_cast<sal_Int32>(m_nXResolution*(fX - fScaledMinX)/(fScaledMaxX-fScaledMinX))
+                == static_cast<sal_Int32>(m_nXResolution*(fX2 - fScaledMinX)/(fScaledMaxX-fScaledMinX)) );
+
+    bool bSameY = ( static_cast<sal_Int32>(m_nYResolution*(fY - fScaledMinY)/(fScaledMaxY-fScaledMinY))
+                == static_cast<sal_Int32>(m_nYResolution*(fY2 - fScaledMinY)/(fScaledMaxY-fScaledMinY)) );
+
+    bool bSameZ = ( static_cast<sal_Int32>(m_nZResolution*(fZ - fScaledMinZ)/(fScaledMaxZ-fScaledMinZ))
+                == static_cast<sal_Int32>(m_nZResolution*(fZ2 - fScaledMinZ)/(fScaledMaxZ-fScaledMinZ)) );
+
+    return (bSameX && bSameY && bSameZ);
+}
+
+bool PlottingPositionHelper::isStrongLowerRequested( sal_Int32 nDimensionIndex ) const
+{
+    if( m_aScales.empty() )
+        return false;
+    if( 0==nDimensionIndex )
+        return m_bAllowShiftXAxisPos && m_aScales[nDimensionIndex].ShiftedCategoryPosition;
+    else if( 2==nDimensionIndex )
+        return m_bAllowShiftZAxisPos && m_aScales[nDimensionIndex].ShiftedCategoryPosition;
+    return false;
+}
+
+bool PlottingPositionHelper::isLogicVisible(
+    double fX, double fY, double fZ ) const
+{
+    return fX >= m_aScales[0].Minimum && ( isStrongLowerRequested(0) ? fX < m_aScales[0].Maximum : fX <= m_aScales[0].Maximum )
+        && fY >= m_aScales[1].Minimum && fY <= m_aScales[1].Maximum
+        && fZ >= m_aScales[2].Minimum && ( isStrongLowerRequested(2) ? fZ < m_aScales[2].Maximum : fZ <= m_aScales[2].Maximum );
+}
+
+void PlottingPositionHelper::doLogicScaling( double* pX, double* pY, double* pZ ) const
+{
+    if(pX)
+    {
+        if( m_aScales[0].Scaling.is())
+            *pX = m_aScales[0].Scaling->doScaling(*pX);
+        if( m_bAllowShiftXAxisPos && m_aScales[0].ShiftedCategoryPosition )
+            (*pX) += m_fScaledCategoryWidth/2.0;
+    }
+    if(pY && m_aScales[1].Scaling.is())
+        *pY = m_aScales[1].Scaling->doScaling(*pY);
+    if(pZ)
+    {
+        if( m_aScales[2].Scaling.is())
+            *pZ = m_aScales[2].Scaling->doScaling(*pZ);
+        if( m_bAllowShiftZAxisPos && m_aScales[2].ShiftedCategoryPosition)
+            (*pZ) += 0.5;
+    }
+}
+
+void PlottingPositionHelper::doUnshiftedLogicScaling( double* pX, double* pY, double* pZ ) const
+{
+    if(pX && m_aScales[0].Scaling.is())
+        *pX = m_aScales[0].Scaling->doScaling(*pX);
+    if(pY && m_aScales[1].Scaling.is())
+        *pY = m_aScales[1].Scaling->doScaling(*pY);
+    if(pZ && m_aScales[2].Scaling.is())
+        *pZ = m_aScales[2].Scaling->doScaling(*pZ);
+}
+
+void PlottingPositionHelper::doLogicScaling( css::drawing::Position3D& rPos ) const
+{
+    doLogicScaling( &rPos.PositionX, &rPos.PositionY, &rPos.PositionZ );
+}
+
+void PlottingPositionHelper::clipLogicValues( double* pX, double* pY, double* pZ ) const
+{
+    if(pX)
+    {
+        if( *pX < m_aScales[0].Minimum )
+            *pX = m_aScales[0].Minimum;
+        else if( *pX > m_aScales[0].Maximum )
+            *pX = m_aScales[0].Maximum;
+    }
+    if(pY)
+    {
+        if( *pY < m_aScales[1].Minimum )
+            *pY = m_aScales[1].Minimum;
+        else if( *pY > m_aScales[1].Maximum )
+            *pY = m_aScales[1].Maximum;
+    }
+    if(pZ)
+    {
+        if( *pZ < m_aScales[2].Minimum )
+            *pZ = m_aScales[2].Minimum;
+        else if( *pZ > m_aScales[2].Maximum )
+            *pZ = m_aScales[2].Maximum;
+    }
+}
+
+inline bool PlottingPositionHelper::clipYRange( double& rMin, double& rMax ) const
+{
+    //returns true if something remains
+    if( rMin > rMax )
+    {
+        double fHelp = rMin;
+        rMin = rMax;
+        rMax = fHelp;
+    }
+    if( rMin > getLogicMaxY() )
+        return false;
+    if( rMax < getLogicMinY() )
+        return false;
+    if( rMin < getLogicMinY() )
+        rMin = getLogicMinY();
+    if( rMax > getLogicMaxY() )
+        rMax = getLogicMaxY();
+    return true;
+}
+
+inline double PlottingPositionHelper::getLogicMinX() const
+{
+    return m_aScales[0].Minimum;
+}
+inline double PlottingPositionHelper::getLogicMinY() const
+{
+    return m_aScales[1].Minimum;
+}
+inline double PlottingPositionHelper::getLogicMinZ() const
+{
+    return m_aScales[2].Minimum;
+}
+
+inline double PlottingPositionHelper::getLogicMaxX() const
+{
+    return m_aScales[0].Maximum;
+}
+inline double PlottingPositionHelper::getLogicMaxY() const
+{
+    return m_aScales[1].Maximum;
+}
+inline double PlottingPositionHelper::getLogicMaxZ() const
+{
+    return m_aScales[2].Maximum;
+}
+inline bool PlottingPositionHelper::isMathematicalOrientationX() const
+{
+    return css::chart2::AxisOrientation_MATHEMATICAL == m_aScales[0].Orientation;
+}
+inline bool PlottingPositionHelper::isMathematicalOrientationY() const
+{
+    return css::chart2::AxisOrientation_MATHEMATICAL == m_aScales[1].Orientation;
+}
+inline bool PlottingPositionHelper::isMathematicalOrientationZ() const
+{
+    return css::chart2::AxisOrientation_MATHEMATICAL == m_aScales[2].Orientation;
+}
+inline bool PlottingPositionHelper::isSwapXAndY() const
+{
+    return m_bSwapXAndY;
+}
+inline bool PlottingPositionHelper::maySkipPointsInRegressionCalculation() const
+{
+    return m_bMaySkipPointsInRegressionCalculation;
+}
+
+} //namespace chart
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */