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

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

2 files changed, 958 insertions, 0 deletions

diff --git a/drawinglayer/source/geometry/viewinformation2d.cxx b/drawinglayer/source/geometry/viewinformation2d.cxx
new file mode 100644
index 000000000..08a88b23d
--- /dev/null
+++ b/drawinglayer/source/geometry/viewinformation2d.cxx
@@ -0,0 +1,447 @@
+/* -*- 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 <drawinglayer/geometry/viewinformation2d.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/drawing/XDrawPage.hpp>
+#include <com/sun/star/geometry/AffineMatrix2D.hpp>
+#include <com/sun/star/geometry/RealRectangle2D.hpp>
+#include <rtl/instance.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+
+using namespace com::sun::star;
+
+namespace drawinglayer::geometry
+{
+namespace
+{
+constexpr OUStringLiteral g_PropertyName_ObjectTransformation = "ObjectTransformation";
+constexpr OUStringLiteral g_PropertyName_ViewTransformation = "ViewTransformation";
+constexpr OUStringLiteral g_PropertyName_Viewport = "Viewport";
+constexpr OUStringLiteral g_PropertyName_Time = "Time";
+constexpr OUStringLiteral g_PropertyName_VisualizedPage = "VisualizedPage";
+constexpr OUStringLiteral g_PropertyName_ReducedDisplayQuality = "ReducedDisplayQuality";
+}
+
+class ImpViewInformation2D
+{
+private:
+    // ViewInformation2D implementation can change refcount, so we have only
+    // two memory regions for pairs of ViewInformation2D/ImpViewInformation2D
+    friend class ::drawinglayer::geometry::ViewInformation2D;
+
+protected:
+    // the object transformation
+    basegfx::B2DHomMatrix maObjectTransformation;
+
+    // the view transformation
+    basegfx::B2DHomMatrix maViewTransformation;
+
+    // the ObjectToView and it's inverse, both on demand from ObjectTransformation
+    // and ViewTransformation
+    basegfx::B2DHomMatrix maObjectToViewTransformation;
+    basegfx::B2DHomMatrix maInverseObjectToViewTransformation;
+
+    // the visible range and the on-demand one in ViewCoordinates
+    basegfx::B2DRange maViewport;
+    basegfx::B2DRange maDiscreteViewport;
+
+    // the DrawPage which is target of visualisation. This is needed e.g. for
+    // the view-dependent decomposition of PageNumber TextFields.
+    // This parameter is buffered here, but mainly resides in mxExtendedInformation,
+    // so it will be interpreted, but held there. It will also not be added
+    // to mxExtendedInformation in impFillViewInformationFromContent (it's there already)
+    uno::Reference<drawing::XDrawPage> mxVisualizedPage;
+
+    // the point in time
+    double mfViewTime;
+
+    bool mbReducedDisplayQuality : 1;
+
+    // the complete PropertyValue representation (if already created)
+    uno::Sequence<beans::PropertyValue> mxViewInformation;
+
+    // the extra PropertyValues; not represented by ViewTransformation,
+    // Viewport, VisualizedPage or ViewTime
+    uno::Sequence<beans::PropertyValue> mxExtendedInformation;
+
+    void impInterpretPropertyValues(const uno::Sequence<beans::PropertyValue>& rViewParameters)
+    {
+        if (!rViewParameters.hasElements())
+            return;
+
+        const sal_Int32 nCount(rViewParameters.getLength());
+        sal_Int32 nExtendedInsert(0);
+
+        // prepare extended information for filtering. Maximum size is nCount
+        mxExtendedInformation.realloc(nCount);
+
+        for (sal_Int32 a(0); a < nCount; a++)
+        {
+            const beans::PropertyValue& rProp = rViewParameters[a];
+
+            if (rProp.Name == g_PropertyName_ReducedDisplayQuality)
+            {
+                // extra information; add to filtered information
+                mxExtendedInformation[nExtendedInsert++] = rProp;
+
+                // for performance reasons, also cache content locally
+                bool bSalBool(false);
+                rProp.Value >>= bSalBool;
+                mbReducedDisplayQuality = bSalBool;
+            }
+            else if (rProp.Name == g_PropertyName_ObjectTransformation)
+            {
+                css::geometry::AffineMatrix2D aAffineMatrix2D;
+                rProp.Value >>= aAffineMatrix2D;
+                basegfx::unotools::homMatrixFromAffineMatrix(maObjectTransformation,
+                                                             aAffineMatrix2D);
+            }
+            else if (rProp.Name == g_PropertyName_ViewTransformation)
+            {
+                css::geometry::AffineMatrix2D aAffineMatrix2D;
+                rProp.Value >>= aAffineMatrix2D;
+                basegfx::unotools::homMatrixFromAffineMatrix(maViewTransformation, aAffineMatrix2D);
+            }
+            else if (rProp.Name == g_PropertyName_Viewport)
+            {
+                css::geometry::RealRectangle2D aViewport;
+                rProp.Value >>= aViewport;
+                maViewport = basegfx::unotools::b2DRectangleFromRealRectangle2D(aViewport);
+            }
+            else if (rProp.Name == g_PropertyName_Time)
+            {
+                rProp.Value >>= mfViewTime;
+            }
+            else if (rProp.Name == g_PropertyName_VisualizedPage)
+            {
+                rProp.Value >>= mxVisualizedPage;
+            }
+            else
+            {
+                // extra information; add to filtered information
+                mxExtendedInformation[nExtendedInsert++] = rProp;
+            }
+        }
+
+        // extra information size is now known; realloc to final size
+        mxExtendedInformation.realloc(nExtendedInsert);
+    }
+
+    void impFillViewInformationFromContent()
+    {
+        const bool bObjectTransformationUsed(!maObjectTransformation.isIdentity());
+        const bool bViewTransformationUsed(!maViewTransformation.isIdentity());
+        const bool bViewportUsed(!maViewport.isEmpty());
+        const bool bTimeUsed(0.0 < mfViewTime);
+        const bool bVisualizedPageUsed(mxVisualizedPage.is());
+        const bool bReducedDisplayQualityUsed(mbReducedDisplayQuality);
+        const bool bExtraInformation(mxExtendedInformation.hasElements());
+        sal_uInt32 nIndex(0);
+        const sal_uInt32 nCount((bObjectTransformationUsed ? 1 : 0)
+                                + (bViewTransformationUsed ? 1 : 0) + (bViewportUsed ? 1 : 0)
+                                + (bTimeUsed ? 1 : 0) + (bVisualizedPageUsed ? 1 : 0)
+                                + (bReducedDisplayQualityUsed ? 1 : 0)
+                                + (bExtraInformation ? mxExtendedInformation.getLength() : 0));
+
+        mxViewInformation.realloc(nCount);
+
+        if (bObjectTransformationUsed)
+        {
+            css::geometry::AffineMatrix2D aAffineMatrix2D;
+            basegfx::unotools::affineMatrixFromHomMatrix(aAffineMatrix2D, maObjectTransformation);
+            mxViewInformation[nIndex].Name = g_PropertyName_ObjectTransformation;
+            mxViewInformation[nIndex].Value <<= aAffineMatrix2D;
+            nIndex++;
+        }
+
+        if (bViewTransformationUsed)
+        {
+            css::geometry::AffineMatrix2D aAffineMatrix2D;
+            basegfx::unotools::affineMatrixFromHomMatrix(aAffineMatrix2D, maViewTransformation);
+            mxViewInformation[nIndex].Name = g_PropertyName_ViewTransformation;
+            mxViewInformation[nIndex].Value <<= aAffineMatrix2D;
+            nIndex++;
+        }
+
+        if (bViewportUsed)
+        {
+            const css::geometry::RealRectangle2D aViewport(
+                basegfx::unotools::rectangle2DFromB2DRectangle(maViewport));
+            mxViewInformation[nIndex].Name = g_PropertyName_Viewport;
+            mxViewInformation[nIndex].Value <<= aViewport;
+            nIndex++;
+        }
+
+        if (bTimeUsed)
+        {
+            mxViewInformation[nIndex].Name = g_PropertyName_Time;
+            mxViewInformation[nIndex].Value <<= mfViewTime;
+            nIndex++;
+        }
+
+        if (bVisualizedPageUsed)
+        {
+            mxViewInformation[nIndex].Name = g_PropertyName_VisualizedPage;
+            mxViewInformation[nIndex].Value <<= mxVisualizedPage;
+            nIndex++;
+        }
+
+        if (bExtraInformation)
+        {
+            const sal_Int32 nExtra(mxExtendedInformation.getLength());
+
+            for (sal_Int32 a(0); a < nExtra; a++)
+            {
+                mxViewInformation[nIndex++] = mxExtendedInformation[a];
+            }
+        }
+    }
+
+public:
+    ImpViewInformation2D(const basegfx::B2DHomMatrix& rObjectTransformation,
+                         const basegfx::B2DHomMatrix& rViewTransformation,
+                         const basegfx::B2DRange& rViewport,
+                         const uno::Reference<drawing::XDrawPage>& rxDrawPage, double fViewTime,
+                         const uno::Sequence<beans::PropertyValue>& rExtendedParameters)
+        : maObjectTransformation(rObjectTransformation)
+        , maViewTransformation(rViewTransformation)
+        , maObjectToViewTransformation()
+        , maInverseObjectToViewTransformation()
+        , maViewport(rViewport)
+        , maDiscreteViewport()
+        , mxVisualizedPage(rxDrawPage)
+        , mfViewTime(fViewTime)
+        , mbReducedDisplayQuality(false)
+        , mxViewInformation()
+        , mxExtendedInformation()
+    {
+        impInterpretPropertyValues(rExtendedParameters);
+    }
+
+    explicit ImpViewInformation2D(const uno::Sequence<beans::PropertyValue>& rViewParameters)
+        : maObjectTransformation()
+        , maViewTransformation()
+        , maObjectToViewTransformation()
+        , maInverseObjectToViewTransformation()
+        , maViewport()
+        , maDiscreteViewport()
+        , mxVisualizedPage()
+        , mfViewTime()
+        , mbReducedDisplayQuality(false)
+        , mxViewInformation(rViewParameters)
+        , mxExtendedInformation()
+    {
+        impInterpretPropertyValues(rViewParameters);
+    }
+
+    ImpViewInformation2D()
+        : maObjectTransformation()
+        , maViewTransformation()
+        , maObjectToViewTransformation()
+        , maInverseObjectToViewTransformation()
+        , maViewport()
+        , maDiscreteViewport()
+        , mxVisualizedPage()
+        , mfViewTime()
+        , mbReducedDisplayQuality(false)
+        , mxViewInformation()
+        , mxExtendedInformation()
+    {
+    }
+
+    const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+
+    const basegfx::B2DHomMatrix& getViewTransformation() const { return maViewTransformation; }
+
+    const basegfx::B2DRange& getViewport() const { return maViewport; }
+
+    const basegfx::B2DRange& getDiscreteViewport() const
+    {
+        if (maDiscreteViewport.isEmpty() && !maViewport.isEmpty())
+        {
+            basegfx::B2DRange aDiscreteViewport(maViewport);
+            aDiscreteViewport.transform(getViewTransformation());
+            const_cast<ImpViewInformation2D*>(this)->maDiscreteViewport = aDiscreteViewport;
+        }
+
+        return maDiscreteViewport;
+    }
+
+    const basegfx::B2DHomMatrix& getObjectToViewTransformation() const
+    {
+        if (maObjectToViewTransformation.isIdentity()
+            && (!maObjectTransformation.isIdentity() || !maViewTransformation.isIdentity()))
+        {
+            basegfx::B2DHomMatrix aObjectToView(maViewTransformation * maObjectTransformation);
+            const_cast<ImpViewInformation2D*>(this)->maObjectToViewTransformation = aObjectToView;
+        }
+
+        return maObjectToViewTransformation;
+    }
+
+    const basegfx::B2DHomMatrix& getInverseObjectToViewTransformation() const
+    {
+        if (maInverseObjectToViewTransformation.isIdentity()
+            && (!maObjectTransformation.isIdentity() || !maViewTransformation.isIdentity()))
+        {
+            basegfx::B2DHomMatrix aInverseObjectToView(maViewTransformation
+                                                       * maObjectTransformation);
+            aInverseObjectToView.invert();
+            const_cast<ImpViewInformation2D*>(this)->maInverseObjectToViewTransformation
+                = aInverseObjectToView;
+        }
+
+        return maInverseObjectToViewTransformation;
+    }
+
+    double getViewTime() const { return mfViewTime; }
+
+    const uno::Reference<drawing::XDrawPage>& getVisualizedPage() const { return mxVisualizedPage; }
+
+    bool getReducedDisplayQuality() const { return mbReducedDisplayQuality; }
+
+    const uno::Sequence<beans::PropertyValue>& getViewInformationSequence() const
+    {
+        if (!mxViewInformation.hasElements())
+        {
+            const_cast<ImpViewInformation2D*>(this)->impFillViewInformationFromContent();
+        }
+
+        return mxViewInformation;
+    }
+
+    const uno::Sequence<beans::PropertyValue>& getExtendedInformationSequence() const
+    {
+        return mxExtendedInformation;
+    }
+
+    bool operator==(const ImpViewInformation2D& rCandidate) const
+    {
+        return (maObjectTransformation == rCandidate.maObjectTransformation
+                && maViewTransformation == rCandidate.maViewTransformation
+                && maViewport == rCandidate.maViewport
+                && mxVisualizedPage == rCandidate.mxVisualizedPage
+                && mfViewTime == rCandidate.mfViewTime
+                && mxExtendedInformation == rCandidate.mxExtendedInformation);
+    }
+};
+
+namespace
+{
+struct theGlobalDefault : public rtl::Static<ViewInformation2D::ImplType, theGlobalDefault>
+{
+};
+}
+
+ViewInformation2D::ViewInformation2D(const basegfx::B2DHomMatrix& rObjectTransformation,
+                                     const basegfx::B2DHomMatrix& rViewTransformation,
+                                     const basegfx::B2DRange& rViewport,
+                                     const uno::Reference<drawing::XDrawPage>& rxDrawPage,
+                                     double fViewTime,
+                                     const uno::Sequence<beans::PropertyValue>& rExtendedParameters)
+    : mpViewInformation2D(ImpViewInformation2D(rObjectTransformation, rViewTransformation,
+                                               rViewport, rxDrawPage, fViewTime,
+                                               rExtendedParameters))
+{
+}
+
+ViewInformation2D::ViewInformation2D(const uno::Sequence<beans::PropertyValue>& rViewParameters)
+    : mpViewInformation2D(ImpViewInformation2D(rViewParameters))
+{
+}
+
+ViewInformation2D::ViewInformation2D()
+    : mpViewInformation2D(theGlobalDefault::get())
+{
+}
+
+ViewInformation2D::ViewInformation2D(const ViewInformation2D&) = default;
+
+ViewInformation2D::ViewInformation2D(ViewInformation2D&&) = default;
+
+ViewInformation2D::~ViewInformation2D() = default;
+
+ViewInformation2D& ViewInformation2D::operator=(const ViewInformation2D&) = default;
+
+ViewInformation2D& ViewInformation2D::operator=(ViewInformation2D&&) = default;
+
+bool ViewInformation2D::operator==(const ViewInformation2D& rCandidate) const
+{
+    return rCandidate.mpViewInformation2D == mpViewInformation2D;
+}
+
+const basegfx::B2DHomMatrix& ViewInformation2D::getObjectTransformation() const
+{
+    return mpViewInformation2D->getObjectTransformation();
+}
+
+const basegfx::B2DHomMatrix& ViewInformation2D::getViewTransformation() const
+{
+    return mpViewInformation2D->getViewTransformation();
+}
+
+const basegfx::B2DRange& ViewInformation2D::getViewport() const
+{
+    return mpViewInformation2D->getViewport();
+}
+
+double ViewInformation2D::getViewTime() const { return mpViewInformation2D->getViewTime(); }
+
+const uno::Reference<drawing::XDrawPage>& ViewInformation2D::getVisualizedPage() const
+{
+    return mpViewInformation2D->getVisualizedPage();
+}
+
+const basegfx::B2DHomMatrix& ViewInformation2D::getObjectToViewTransformation() const
+{
+    return mpViewInformation2D->getObjectToViewTransformation();
+}
+
+const basegfx::B2DHomMatrix& ViewInformation2D::getInverseObjectToViewTransformation() const
+{
+    return mpViewInformation2D->getInverseObjectToViewTransformation();
+}
+
+const basegfx::B2DRange& ViewInformation2D::getDiscreteViewport() const
+{
+    return mpViewInformation2D->getDiscreteViewport();
+}
+
+bool ViewInformation2D::getReducedDisplayQuality() const
+{
+    return mpViewInformation2D->getReducedDisplayQuality();
+}
+
+const uno::Sequence<beans::PropertyValue>& ViewInformation2D::getViewInformationSequence() const
+{
+    return mpViewInformation2D->getViewInformationSequence();
+}
+
+const uno::Sequence<beans::PropertyValue>& ViewInformation2D::getExtendedInformationSequence() const
+{
+    return mpViewInformation2D->getExtendedInformationSequence();
+}
+
+} // end of namespace drawinglayer::geometry
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/source/geometry/viewinformation3d.cxx b/drawinglayer/source/geometry/viewinformation3d.cxx
new file mode 100644
index 000000000..b3e75bffa
--- /dev/null
+++ b/drawinglayer/source/geometry/viewinformation3d.cxx
@@ -0,0 +1,511 @@
+/* -*- 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 <drawinglayer/geometry/viewinformation3d.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/geometry/AffineMatrix3D.hpp>
+#include <basegfx/utils/canvastools.hxx>
+#include <rtl/instance.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+
+
+using namespace com::sun::star;
+
+
+namespace drawinglayer::geometry
+{
+        /** Implementation class for ViewInformation3D
+        */
+        class ImpViewInformation3D
+        {
+        private:
+            // ViewInformation3D implementation can change refcount, so we have only
+            // two memory regions for pairs of ViewInformation3D/ImpViewInformation3D
+            friend class ::drawinglayer::geometry::ViewInformation3D;
+
+            // the 3D transformations
+            // Object to World. This may change and being adapted when entering 3D transformation
+            // groups
+            basegfx::B3DHomMatrix                       maObjectTransformation;
+
+            // World to Camera. This includes VRP, VPN and VUV camera coordinate system
+            basegfx::B3DHomMatrix                       maOrientation;
+
+            // Camera to Device with X,Y and Z [-1.0 .. 1.0]. This is the
+            // 3D to 2D projection which may be parallel or perspective. When it is perspective,
+            // the last line of the homogen matrix will NOT be unused
+            basegfx::B3DHomMatrix                       maProjection;
+
+            // Device to View with X,Y and Z [0.0 .. 1.0]. This converts from -1 to 1 coordinates
+            // in camera coordinate system to 0 to 1 in unit 2D coordinates. This way it stays
+            // view-independent. To get discrete coordinates, the 2D transformation of a scene
+            // as 2D object needs to be involved
+            basegfx::B3DHomMatrix                       maDeviceToView;
+
+            // Object to View is the linear combination of all four transformations. It's
+            // buffered to avoid too much matrix multiplying and created on demand
+            basegfx::B3DHomMatrix                       maObjectToView;
+
+            // the point in time
+            double                                      mfViewTime;
+
+            // the complete PropertyValue representation (if already created)
+            uno::Sequence< beans::PropertyValue >       mxViewInformation;
+
+            // the extra PropertyValues; does not contain the transformations
+            uno::Sequence< beans::PropertyValue >       mxExtendedInformation;
+
+            // the local UNO API strings
+            static OUString getNamePropertyObjectTransformation()
+            {
+                return "ObjectTransformation";
+            }
+
+            static OUString getNamePropertyOrientation()
+            {
+                return "Orientation";
+            }
+
+            static OUString getNamePropertyProjection()
+            {
+                return "Projection";
+            }
+
+            static OUString getNamePropertyProjection_30()
+            {
+                return "Projection30";
+            }
+
+            static OUString getNamePropertyProjection_31()
+            {
+                return "Projection31";
+            }
+
+            static OUString getNamePropertyProjection_32()
+            {
+                return "Projection32";
+            }
+
+            static OUString getNamePropertyProjection_33()
+            {
+                return "Projection33";
+            }
+
+            static OUString getNamePropertyDeviceToView()
+            {
+                return "DeviceToView";
+            }
+
+            static OUString getNamePropertyTime()
+            {
+                return "Time";
+            }
+
+            // a central PropertyValue parsing method to allow transportation of
+            // all ViewParameters using UNO API
+            void impInterpretPropertyValues(const uno::Sequence< beans::PropertyValue >& rViewParameters)
+            {
+                if(!rViewParameters.hasElements())
+                    return;
+
+                const sal_Int32 nCount(rViewParameters.getLength());
+                sal_Int32 nExtendedInsert(0);
+
+                // prepare extended information for filtering. Maximum size is nCount
+                mxExtendedInformation.realloc(nCount);
+
+                for(sal_Int32 a(0); a < nCount; a++)
+                {
+                    const beans::PropertyValue& rProp = rViewParameters[a];
+
+                    if(rProp.Name == getNamePropertyObjectTransformation())
+                    {
+                        css::geometry::AffineMatrix3D aAffineMatrix3D;
+                        rProp.Value >>= aAffineMatrix3D;
+                        maObjectTransformation = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D);
+                    }
+                    else if(rProp.Name == getNamePropertyOrientation())
+                    {
+                        css::geometry::AffineMatrix3D aAffineMatrix3D;
+                        rProp.Value >>= aAffineMatrix3D;
+                        maOrientation = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection())
+                    {
+                        // projection may be defined using a frustum in which case the last line of
+                        // the 4x4 matrix is not (0,0,0,1). Since AffineMatrix3D does not support that,
+                        // these four values need to be treated extra
+                        const double f_30(maProjection.get(3, 0));
+                        const double f_31(maProjection.get(3, 1));
+                        const double f_32(maProjection.get(3, 2));
+                        const double f_33(maProjection.get(3, 3));
+
+                        css::geometry::AffineMatrix3D aAffineMatrix3D;
+                        rProp.Value >>= aAffineMatrix3D;
+                        maProjection = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D);
+
+                        maProjection.set(3, 0, f_30);
+                        maProjection.set(3, 1, f_31);
+                        maProjection.set(3, 2, f_32);
+                        maProjection.set(3, 3, f_33);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection_30())
+                    {
+                        double f_30(0.0);
+                        rProp.Value >>= f_30;
+                        maProjection.set(3, 0, f_30);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection_31())
+                    {
+                        double f_31(0.0);
+                        rProp.Value >>= f_31;
+                        maProjection.set(3, 1, f_31);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection_32())
+                    {
+                        double f_32(0.0);
+                        rProp.Value >>= f_32;
+                        maProjection.set(3, 2, f_32);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection_33())
+                    {
+                        double f_33(1.0);
+                        rProp.Value >>= f_33;
+                        maProjection.set(3, 3, f_33);
+                    }
+                    else if(rProp.Name == getNamePropertyDeviceToView())
+                    {
+                        css::geometry::AffineMatrix3D aAffineMatrix3D;
+                        rProp.Value >>= aAffineMatrix3D;
+                        maDeviceToView = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D);
+                    }
+                    else if(rProp.Name == getNamePropertyTime())
+                    {
+                        rProp.Value >>= mfViewTime;
+                    }
+                    else
+                    {
+                        // extra information; add to filtered information
+                        mxExtendedInformation[nExtendedInsert++] = rProp;
+                    }
+                }
+
+                // extra information size is now known; realloc to final size
+                mxExtendedInformation.realloc(nExtendedInsert);
+            }
+
+            // central method to create a Sequence of PropertyValues containing he complete
+            // data set
+            void impFillViewInformationFromContent()
+            {
+                const bool bObjectTransformationUsed(!maObjectTransformation.isIdentity());
+                const bool bOrientationUsed(!maOrientation.isIdentity());
+                const bool bProjectionUsed(!maProjection.isIdentity());
+                const bool bDeviceToViewUsed(!maDeviceToView.isIdentity());
+                const bool bTimeUsed(0.0 < mfViewTime);
+                const bool bExtraInformation(mxExtendedInformation.hasElements());
+
+                // projection may be defined using a frustum in which case the last line of
+                // the 4x4 matrix is not (0,0,0,1). Since AffineMatrix3D does not support that,
+                // these four values need to be treated extra
+                const bool bProjectionUsed_30(bProjectionUsed && !basegfx::fTools::equalZero(maProjection.get(3, 0)));
+                const bool bProjectionUsed_31(bProjectionUsed && !basegfx::fTools::equalZero(maProjection.get(3, 1)));
+                const bool bProjectionUsed_32(bProjectionUsed && !basegfx::fTools::equalZero(maProjection.get(3, 2)));
+                const bool bProjectionUsed_33(bProjectionUsed && !basegfx::fTools::equal(maProjection.get(3, 3), 1.0));
+
+                sal_uInt32 nIndex(0);
+                const sal_uInt32 nCount(
+                    (bObjectTransformationUsed ? 1 : 0) +
+                    (bOrientationUsed ? 1 : 0) +
+                    (bProjectionUsed ? 1 : 0) +
+                    (bProjectionUsed_30 ? 1 : 0) +
+                    (bProjectionUsed_31 ? 1 : 0) +
+                    (bProjectionUsed_32 ? 1 : 0) +
+                    (bProjectionUsed_33 ? 1 : 0) +
+                    (bDeviceToViewUsed ? 1 : 0) +
+                    (bTimeUsed ? 1 : 0) +
+                    (bExtraInformation ? mxExtendedInformation.getLength() : 0));
+
+                mxViewInformation.realloc(nCount);
+
+                if(bObjectTransformationUsed)
+                {
+                    css::geometry::AffineMatrix3D aAffineMatrix3D;
+                    basegfx::unotools::affineMatrixFromHomMatrix3D(aAffineMatrix3D, maObjectTransformation);
+                    mxViewInformation[nIndex].Name = getNamePropertyObjectTransformation();
+                    mxViewInformation[nIndex].Value <<= aAffineMatrix3D;
+                    nIndex++;
+                }
+
+                if(bOrientationUsed)
+                {
+                    css::geometry::AffineMatrix3D aAffineMatrix3D;
+                    basegfx::unotools::affineMatrixFromHomMatrix3D(aAffineMatrix3D, maOrientation);
+                    mxViewInformation[nIndex].Name = getNamePropertyOrientation();
+                    mxViewInformation[nIndex].Value <<= aAffineMatrix3D;
+                    nIndex++;
+                }
+
+                if(bProjectionUsed)
+                {
+                    css::geometry::AffineMatrix3D aAffineMatrix3D;
+                    basegfx::unotools::affineMatrixFromHomMatrix3D(aAffineMatrix3D, maProjection);
+                    mxViewInformation[nIndex].Name = getNamePropertyProjection();
+                    mxViewInformation[nIndex].Value <<= aAffineMatrix3D;
+                    nIndex++;
+                }
+
+                if(bProjectionUsed_30)
+                {
+                    mxViewInformation[nIndex].Name = getNamePropertyProjection_30();
+                    mxViewInformation[nIndex].Value <<= maProjection.get(3, 0);
+                    nIndex++;
+                }
+
+                if(bProjectionUsed_31)
+                {
+                    mxViewInformation[nIndex].Name = getNamePropertyProjection_31();
+                    mxViewInformation[nIndex].Value <<= maProjection.get(3, 1);
+                    nIndex++;
+                }
+
+                if(bProjectionUsed_32)
+                {
+                    mxViewInformation[nIndex].Name = getNamePropertyProjection_32();
+                    mxViewInformation[nIndex].Value <<= maProjection.get(3, 2);
+                    nIndex++;
+                }
+
+                if(bProjectionUsed_33)
+                {
+                    mxViewInformation[nIndex].Name = getNamePropertyProjection_33();
+                    mxViewInformation[nIndex].Value <<= maProjection.get(3, 3);
+                    nIndex++;
+                }
+
+                if(bDeviceToViewUsed)
+                {
+                    css::geometry::AffineMatrix3D aAffineMatrix3D;
+                    basegfx::unotools::affineMatrixFromHomMatrix3D(aAffineMatrix3D, maDeviceToView);
+                    mxViewInformation[nIndex].Name = getNamePropertyDeviceToView();
+                    mxViewInformation[nIndex].Value <<= aAffineMatrix3D;
+                    nIndex++;
+                }
+
+                if(bTimeUsed)
+                {
+                    mxViewInformation[nIndex].Name = getNamePropertyTime();
+                    mxViewInformation[nIndex].Value <<= mfViewTime;
+                    nIndex++;
+                }
+
+                if(bExtraInformation)
+                {
+                    const sal_Int32 nExtra(mxExtendedInformation.getLength());
+
+                    for(sal_Int32 a(0); a < nExtra; a++)
+                    {
+                        mxViewInformation[nIndex++] = mxExtendedInformation[a];
+                    }
+                }
+            }
+
+        public:
+            ImpViewInformation3D(
+                const basegfx::B3DHomMatrix& rObjectTransformation,
+                const basegfx::B3DHomMatrix& rOrientation,
+                const basegfx::B3DHomMatrix& rProjection,
+                const basegfx::B3DHomMatrix& rDeviceToView,
+                double fViewTime,
+                const uno::Sequence< beans::PropertyValue >& rExtendedParameters)
+            :   maObjectTransformation(rObjectTransformation),
+                maOrientation(rOrientation),
+                maProjection(rProjection),
+                maDeviceToView(rDeviceToView),
+                mfViewTime(fViewTime),
+                mxViewInformation(),
+                mxExtendedInformation()
+            {
+                impInterpretPropertyValues(rExtendedParameters);
+            }
+
+            explicit ImpViewInformation3D(const uno::Sequence< beans::PropertyValue >& rViewParameters)
+            :   maObjectTransformation(),
+                maOrientation(),
+                maProjection(),
+                maDeviceToView(),
+                mfViewTime(),
+                mxViewInformation(rViewParameters),
+                mxExtendedInformation()
+            {
+                impInterpretPropertyValues(rViewParameters);
+            }
+
+            ImpViewInformation3D()
+            :   maObjectTransformation(),
+                maOrientation(),
+                maProjection(),
+                maDeviceToView(),
+                mfViewTime(),
+                mxViewInformation(),
+                mxExtendedInformation()
+            {
+            }
+
+            const basegfx::B3DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+            const basegfx::B3DHomMatrix& getOrientation() const { return maOrientation; }
+            const basegfx::B3DHomMatrix& getProjection() const { return maProjection; }
+            const basegfx::B3DHomMatrix& getDeviceToView() const { return maDeviceToView; }
+            double getViewTime() const { return mfViewTime; }
+
+            const basegfx::B3DHomMatrix& getObjectToView() const
+            {
+                // on demand WorldToView creation
+
+                if(maObjectToView.isIdentity())
+                {
+                    const_cast< ImpViewInformation3D* >(this)->maObjectToView = maDeviceToView * maProjection * maOrientation * maObjectTransformation;
+                }
+
+                return maObjectToView;
+            }
+
+            const uno::Sequence< beans::PropertyValue >& getViewInformationSequence() const
+            {
+                if(!mxViewInformation.hasElements())
+                {
+                    const_cast< ImpViewInformation3D* >(this)->impFillViewInformationFromContent();
+                }
+
+                return mxViewInformation;
+            }
+
+            const uno::Sequence< beans::PropertyValue >& getExtendedInformationSequence() const
+            {
+                return mxExtendedInformation;
+            }
+
+            bool operator==(const ImpViewInformation3D& rCandidate) const
+            {
+                return (maObjectTransformation == rCandidate.maObjectTransformation
+                    && maOrientation == rCandidate.maOrientation
+                    && maProjection == rCandidate.maProjection
+                    && maDeviceToView == rCandidate.maDeviceToView
+                    && mfViewTime == rCandidate.mfViewTime
+                    && mxExtendedInformation == rCandidate.mxExtendedInformation);
+            }
+        };
+} // end of namespace drawinglayer::geometry
+
+
+namespace drawinglayer::geometry
+{
+        namespace
+        {
+            struct theGlobalDefault :
+                public rtl::Static< ViewInformation3D::ImplType, theGlobalDefault > {};
+        }
+
+        ViewInformation3D::ViewInformation3D(
+            const basegfx::B3DHomMatrix& rObjectObjectTransformation,
+            const basegfx::B3DHomMatrix& rOrientation,
+            const basegfx::B3DHomMatrix& rProjection,
+            const basegfx::B3DHomMatrix& rDeviceToView,
+            double fViewTime,
+            const uno::Sequence< beans::PropertyValue >& rExtendedParameters)
+        :   mpViewInformation3D(ImpViewInformation3D(
+                rObjectObjectTransformation, rOrientation, rProjection,
+                rDeviceToView, fViewTime, rExtendedParameters))
+        {
+        }
+
+        ViewInformation3D::ViewInformation3D(const uno::Sequence< beans::PropertyValue >& rViewParameters)
+        :   mpViewInformation3D(ImpViewInformation3D(rViewParameters))
+        {
+        }
+
+        ViewInformation3D::ViewInformation3D()
+        :   mpViewInformation3D(theGlobalDefault::get())
+        {
+        }
+
+        ViewInformation3D::ViewInformation3D(const ViewInformation3D&) = default;
+
+        ViewInformation3D::ViewInformation3D(ViewInformation3D&&) = default;
+
+        ViewInformation3D::~ViewInformation3D() = default;
+
+        bool ViewInformation3D::isDefault() const
+        {
+            return mpViewInformation3D.same_object(theGlobalDefault::get());
+        }
+
+        ViewInformation3D& ViewInformation3D::operator=(const ViewInformation3D&) = default;
+
+        ViewInformation3D& ViewInformation3D::operator=(ViewInformation3D&&) = default;
+
+        bool ViewInformation3D::operator==(const ViewInformation3D& rCandidate) const
+        {
+            return rCandidate.mpViewInformation3D == mpViewInformation3D;
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getObjectTransformation() const
+        {
+            return mpViewInformation3D->getObjectTransformation();
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getOrientation() const
+        {
+            return mpViewInformation3D->getOrientation();
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getProjection() const
+        {
+            return mpViewInformation3D->getProjection();
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getDeviceToView() const
+        {
+            return mpViewInformation3D->getDeviceToView();
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getObjectToView() const
+        {
+            return mpViewInformation3D->getObjectToView();
+        }
+
+        double ViewInformation3D::getViewTime() const
+        {
+            return mpViewInformation3D->getViewTime();
+        }
+
+        const uno::Sequence< beans::PropertyValue >& ViewInformation3D::getViewInformationSequence() const
+        {
+            return mpViewInformation3D->getViewInformationSequence();
+        }
+
+        const uno::Sequence< beans::PropertyValue >& ViewInformation3D::getExtendedInformationSequence() const
+        {
+            return mpViewInformation3D->getExtendedInformationSequence();
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */