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, 588 insertions, 0 deletions

diff --git a/basegfx/source/polygon/b3dpolypolygontools.cxx b/basegfx/source/polygon/b3dpolypolygontools.cxx
new file mode 100644
index 000000000..62ddd3ae7
--- /dev/null
+++ b/basegfx/source/polygon/b3dpolypolygontools.cxx
@@ -0,0 +1,588 @@
+/* -*- 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 <basegfx/polygon/b3dpolypolygontools.hxx>
+#include <basegfx/range/b3drange.hxx>
+#include <basegfx/polygon/b3dpolypolygon.hxx>
+#include <basegfx/polygon/b3dpolygon.hxx>
+#include <basegfx/polygon/b3dpolygontools.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <com/sun/star/drawing/DoubleSequence.hpp>
+#include <com/sun/star/drawing/PolyPolygonShape3D.hpp>
+
+// predefines
+#define nMinSegments sal_uInt32(1)
+#define nMaxSegments sal_uInt32(512)
+
+namespace basegfx::utils
+{
+        // B3DPolyPolygon tools
+        B3DRange getRange(const B3DPolyPolygon& rCandidate)
+        {
+            B3DRange aRetval;
+            const sal_uInt32 nPolygonCount(rCandidate.count());
+
+            for(sal_uInt32 a(0); a < nPolygonCount; a++)
+            {
+                const B3DPolygon& aCandidate = rCandidate.getB3DPolygon(a);
+                aRetval.expand(getRange(aCandidate));
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon const & createUnitCubePolyPolygon()
+        {
+            static auto const singleton = [] {
+                    B3DPolyPolygon aRetval;
+                    B3DPolygon aTemp;
+                    aTemp.append(B3DPoint(0.0, 0.0, 1.0));
+                    aTemp.append(B3DPoint(0.0, 1.0, 1.0));
+                    aTemp.append(B3DPoint(1.0, 1.0, 1.0));
+                    aTemp.append(B3DPoint(1.0, 0.0, 1.0));
+                    aTemp.setClosed(true);
+                    aRetval.append(aTemp);
+
+                    aTemp.clear();
+                    aTemp.append(B3DPoint(0.0, 0.0, 0.0));
+                    aTemp.append(B3DPoint(0.0, 1.0, 0.0));
+                    aTemp.append(B3DPoint(1.0, 1.0, 0.0));
+                    aTemp.append(B3DPoint(1.0, 0.0, 0.0));
+                    aTemp.setClosed(true);
+                    aRetval.append(aTemp);
+
+                    aTemp.clear();
+                    aTemp.append(B3DPoint(0.0, 0.0, 0.0));
+                    aTemp.append(B3DPoint(0.0, 0.0, 1.0));
+                    aRetval.append(aTemp);
+
+                    aTemp.clear();
+                    aTemp.append(B3DPoint(0.0, 1.0, 0.0));
+                    aTemp.append(B3DPoint(0.0, 1.0, 1.0));
+                    aRetval.append(aTemp);
+
+                    aTemp.clear();
+                    aTemp.append(B3DPoint(1.0, 1.0, 0.0));
+                    aTemp.append(B3DPoint(1.0, 1.0, 1.0));
+                    aRetval.append(aTemp);
+
+                    aTemp.clear();
+                    aTemp.append(B3DPoint(1.0, 0.0, 0.0));
+                    aTemp.append(B3DPoint(1.0, 0.0, 1.0));
+                    aRetval.append(aTemp);
+                    return aRetval;
+                }();
+            return singleton;
+        }
+
+        B3DPolyPolygon const & createUnitCubeFillPolyPolygon()
+        {
+            static auto const singleton = [] {
+                    B3DPolyPolygon aRetval;
+                    B3DPolygon aTemp;
+
+                    // all points
+                    const B3DPoint A(0.0, 0.0, 0.0);
+                    const B3DPoint B(0.0, 1.0, 0.0);
+                    const B3DPoint C(1.0, 1.0, 0.0);
+                    const B3DPoint D(1.0, 0.0, 0.0);
+                    const B3DPoint E(0.0, 0.0, 1.0);
+                    const B3DPoint F(0.0, 1.0, 1.0);
+                    const B3DPoint G(1.0, 1.0, 1.0);
+                    const B3DPoint H(1.0, 0.0, 1.0);
+
+                    // create bottom
+                    aTemp.append(D);
+                    aTemp.append(A);
+                    aTemp.append(E);
+                    aTemp.append(H);
+                    aTemp.setClosed(true);
+                    aRetval.append(aTemp);
+
+                    // create front
+                    aTemp.clear();
+                    aTemp.append(B);
+                    aTemp.append(A);
+                    aTemp.append(D);
+                    aTemp.append(C);
+                    aTemp.setClosed(true);
+                    aRetval.append(aTemp);
+
+                    // create left
+                    aTemp.clear();
+                    aTemp.append(E);
+                    aTemp.append(A);
+                    aTemp.append(B);
+                    aTemp.append(F);
+                    aTemp.setClosed(true);
+                    aRetval.append(aTemp);
+
+                    // create top
+                    aTemp.clear();
+                    aTemp.append(C);
+                    aTemp.append(G);
+                    aTemp.append(F);
+                    aTemp.append(B);
+                    aTemp.setClosed(true);
+                    aRetval.append(aTemp);
+
+                    // create right
+                    aTemp.clear();
+                    aTemp.append(H);
+                    aTemp.append(G);
+                    aTemp.append(C);
+                    aTemp.append(D);
+                    aTemp.setClosed(true);
+                    aRetval.append(aTemp);
+
+                    // create back
+                    aTemp.clear();
+                    aTemp.append(F);
+                    aTemp.append(G);
+                    aTemp.append(H);
+                    aTemp.append(E);
+                    aTemp.setClosed(true);
+                    aRetval.append(aTemp);
+                    return aRetval;
+                }();
+            return singleton;
+        }
+
+        B3DPolyPolygon createCubePolyPolygonFromB3DRange( const B3DRange& rRange)
+        {
+            B3DPolyPolygon aRetval;
+
+            if(!rRange.isEmpty())
+            {
+                aRetval = createUnitCubePolyPolygon();
+                B3DHomMatrix aTrans;
+                aTrans.scale(rRange.getWidth(), rRange.getHeight(), rRange.getDepth());
+                aTrans.translate(rRange.getMinX(), rRange.getMinY(), rRange.getMinZ());
+                aRetval.transform(aTrans);
+                aRetval.removeDoublePoints();
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon createCubeFillPolyPolygonFromB3DRange( const B3DRange& rRange)
+        {
+            B3DPolyPolygon aRetval;
+
+            if(!rRange.isEmpty())
+            {
+                aRetval = createUnitCubeFillPolyPolygon();
+                B3DHomMatrix aTrans;
+                aTrans.scale(rRange.getWidth(), rRange.getHeight(), rRange.getDepth());
+                aTrans.translate(rRange.getMinX(), rRange.getMinY(), rRange.getMinZ());
+                aRetval.transform(aTrans);
+                aRetval.removeDoublePoints();
+            }
+
+            return aRetval;
+        }
+
+        // helper for getting the 3D Point from given cartesian coordinates. fHor is defined from
+        // [M_PI_2 .. -M_PI_2], fVer from [0.0 .. 2PI]
+        static B3DPoint getPointFromCartesian(double fHor, double fVer)
+        {
+            const double fCosVer(cos(fVer));
+            return B3DPoint(fCosVer * cos(fHor), sin(fVer), fCosVer * -sin(fHor));
+        }
+
+        B3DPolyPolygon createUnitSpherePolyPolygon(
+            sal_uInt32 nHorSeg, sal_uInt32 nVerSeg,
+            double fVerStart, double fVerStop,
+            double fHorStart, double fHorStop)
+        {
+            B3DPolyPolygon aRetval;
+            sal_uInt32 a, b;
+
+            if(!nHorSeg)
+            {
+                nHorSeg = fround(fabs(fHorStop - fHorStart) / (M_PI / 12.0));
+            }
+
+            // min/max limitations
+            nHorSeg = std::clamp(nHorSeg, nMinSegments, nMaxSegments);
+
+            if(!nVerSeg)
+            {
+                nVerSeg = fround(fabs(fVerStop - fVerStart) / (M_PI / 12.0));
+            }
+
+            // min/max limitations
+            nVerSeg = std::clamp(nVerSeg, nMinSegments, nMaxSegments);
+
+            // create constants
+            const double fVerDiffPerStep((fVerStop - fVerStart) / static_cast<double>(nVerSeg));
+            const double fHorDiffPerStep((fHorStop - fHorStart) / static_cast<double>(nHorSeg));
+            bool bHorClosed(fTools::equal(fHorStop - fHorStart, 2 * M_PI));
+            bool bVerFromTop(fTools::equal(fVerStart, M_PI_2));
+            bool bVerToBottom(fTools::equal(fVerStop, -M_PI_2));
+
+            // create horizontal rings
+            const sal_uInt32 nLoopVerInit(bVerFromTop ? 1 : 0);
+            const sal_uInt32 nLoopVerLimit(bVerToBottom ? nVerSeg : nVerSeg + 1);
+            const sal_uInt32 nLoopHorLimit(bHorClosed ? nHorSeg : nHorSeg + 1);
+
+            for(a = nLoopVerInit; a < nLoopVerLimit; a++)
+            {
+                const double fVer(fVerStart + (static_cast<double>(a) * fVerDiffPerStep));
+                B3DPolygon aNew;
+
+                for(b = 0; b < nLoopHorLimit; b++)
+                {
+                    const double fHor(fHorStart + (static_cast<double>(b) * fHorDiffPerStep));
+                    aNew.append(getPointFromCartesian(fHor, fVer));
+                }
+
+                aNew.setClosed(bHorClosed);
+                aRetval.append(aNew);
+            }
+
+            // create vertical half-rings
+            for(a = 0; a < nLoopHorLimit; a++)
+            {
+                const double fHor(fHorStart + (static_cast<double>(a) * fHorDiffPerStep));
+                B3DPolygon aNew;
+
+                if(bVerFromTop)
+                {
+                    aNew.append(B3DPoint(0.0, 1.0, 0.0));
+                }
+
+                for(b = nLoopVerInit; b < nLoopVerLimit; b++)
+                {
+                    const double fVer(fVerStart + (static_cast<double>(b) * fVerDiffPerStep));
+                    aNew.append(getPointFromCartesian(fHor, fVer));
+                }
+
+                if(bVerToBottom)
+                {
+                    aNew.append(B3DPoint(0.0, -1.0, 0.0));
+                }
+
+                aRetval.append(aNew);
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon createSpherePolyPolygonFromB3DRange( const B3DRange& rRange,
+            sal_uInt32 nHorSeg, sal_uInt32 nVerSeg,
+            double fVerStart, double fVerStop,
+            double fHorStart, double fHorStop)
+        {
+            B3DPolyPolygon aRetval(createUnitSpherePolyPolygon(nHorSeg, nVerSeg, fVerStart, fVerStop, fHorStart, fHorStop));
+
+            if(aRetval.count())
+            {
+                // move and scale whole construct which is now in [-1.0 .. 1.0] in all directions
+                B3DHomMatrix aTrans;
+                aTrans.translate(1.0, 1.0, 1.0);
+                aTrans.scale(rRange.getWidth() / 2.0, rRange.getHeight() / 2.0, rRange.getDepth() / 2.0);
+                aTrans.translate(rRange.getMinX(), rRange.getMinY(), rRange.getMinZ());
+                aRetval.transform(aTrans);
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon createUnitSphereFillPolyPolygon(
+            sal_uInt32 nHorSeg, sal_uInt32 nVerSeg,
+            bool bNormals,
+            double fVerStart, double fVerStop,
+            double fHorStart, double fHorStop)
+        {
+            B3DPolyPolygon aRetval;
+
+            if(!nHorSeg)
+            {
+                nHorSeg = fround(fabs(fHorStop - fHorStart) / (M_PI / 12.0));
+            }
+
+            // min/max limitations
+            nHorSeg = std::clamp(nHorSeg, nMinSegments, nMaxSegments);
+
+            if(!nVerSeg)
+            {
+                nVerSeg = fround(fabs(fVerStop - fVerStart) / (M_PI / 12.0));
+            }
+
+            // min/max limitations
+            nVerSeg = std::clamp(nVerSeg, nMinSegments, nMaxSegments);
+
+            // vertical loop
+            for(sal_uInt32 a(0); a < nVerSeg; a++)
+            {
+                const double fVer1(fVerStart + (((fVerStop - fVerStart) * a) / nVerSeg));
+                const double fVer2(fVerStart + (((fVerStop - fVerStart) * (a + 1)) / nVerSeg));
+
+                // horizontal loop
+                for(sal_uInt32 b(0); b < nHorSeg; b++)
+                {
+                    const double fHor1(fHorStart + (((fHorStop - fHorStart) * b) / nHorSeg));
+                    const double fHor2(fHorStart + (((fHorStop - fHorStart) * (b + 1)) / nHorSeg));
+                    B3DPolygon aNew;
+
+                    aNew.append(getPointFromCartesian(fHor1, fVer1));
+                    aNew.append(getPointFromCartesian(fHor2, fVer1));
+                    aNew.append(getPointFromCartesian(fHor2, fVer2));
+                    aNew.append(getPointFromCartesian(fHor1, fVer2));
+
+                    if(bNormals)
+                    {
+                        for(sal_uInt32 c(0); c < aNew.count(); c++)
+                        {
+                            aNew.setNormal(c, ::basegfx::B3DVector(aNew.getB3DPoint(c)));
+                        }
+                    }
+
+                    aNew.setClosed(true);
+                    aRetval.append(aNew);
+                }
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon createSphereFillPolyPolygonFromB3DRange( const B3DRange& rRange,
+            sal_uInt32 nHorSeg, sal_uInt32 nVerSeg,
+            bool bNormals,
+            double fVerStart, double fVerStop,
+            double fHorStart, double fHorStop)
+        {
+            B3DPolyPolygon aRetval(createUnitSphereFillPolyPolygon(nHorSeg, nVerSeg, bNormals, fVerStart, fVerStop, fHorStart, fHorStop));
+
+            if(aRetval.count())
+            {
+                // move and scale whole construct which is now in [-1.0 .. 1.0] in all directions
+                B3DHomMatrix aTrans;
+                aTrans.translate(1.0, 1.0, 1.0);
+                aTrans.scale(rRange.getWidth() / 2.0, rRange.getHeight() / 2.0, rRange.getDepth() / 2.0);
+                aTrans.translate(rRange.getMinX(), rRange.getMinY(), rRange.getMinZ());
+                aRetval.transform(aTrans);
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon applyDefaultNormalsSphere( const B3DPolyPolygon& rCandidate, const B3DPoint& rCenter)
+        {
+            B3DPolyPolygon aRetval;
+
+            for(sal_uInt32 a(0); a < rCandidate.count(); a++)
+            {
+                aRetval.append(applyDefaultNormalsSphere(rCandidate.getB3DPolygon(a), rCenter));
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon invertNormals( const B3DPolyPolygon& rCandidate)
+        {
+            B3DPolyPolygon aRetval;
+
+            for(sal_uInt32 a(0); a < rCandidate.count(); a++)
+            {
+                aRetval.append(invertNormals(rCandidate.getB3DPolygon(a)));
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon applyDefaultTextureCoordinatesParallel( const B3DPolyPolygon& rCandidate, const B3DRange& rRange, bool bChangeX, bool bChangeY)
+        {
+            B3DPolyPolygon aRetval;
+
+            for(sal_uInt32 a(0); a < rCandidate.count(); a++)
+            {
+                aRetval.append(applyDefaultTextureCoordinatesParallel(rCandidate.getB3DPolygon(a), rRange, bChangeX, bChangeY));
+            }
+
+            return aRetval;
+        }
+
+        B3DPolyPolygon applyDefaultTextureCoordinatesSphere( const B3DPolyPolygon& rCandidate, const B3DPoint& rCenter, bool bChangeX, bool bChangeY)
+        {
+            B3DPolyPolygon aRetval;
+
+            for(sal_uInt32 a(0); a < rCandidate.count(); a++)
+            {
+                aRetval.append(applyDefaultTextureCoordinatesSphere(rCandidate.getB3DPolygon(a), rCenter, bChangeX, bChangeY));
+            }
+
+            return aRetval;
+        }
+
+        bool isInside(const B3DPolyPolygon& rCandidate, const B3DPoint& rPoint)
+        {
+            const sal_uInt32 nPolygonCount(rCandidate.count());
+
+            if(nPolygonCount == 1)
+            {
+                return isInside(rCandidate.getB3DPolygon(0), rPoint, false/*bWithBorder*/);
+            }
+            else
+            {
+                sal_Int32 nInsideCount(0);
+
+                for(sal_uInt32 a(0); a < nPolygonCount; a++)
+                {
+                    const B3DPolygon& aPolygon(rCandidate.getB3DPolygon(a));
+                    const bool bInside(isInside(aPolygon, rPoint, false/*bWithBorder*/));
+
+                    if(bInside)
+                    {
+                        nInsideCount++;
+                    }
+                }
+
+                return (nInsideCount % 2);
+            }
+        }
+
+/// converters for css::drawing::PolyPolygonShape3D
+        B3DPolyPolygon UnoPolyPolygonShape3DToB3DPolyPolygon(
+            const css::drawing::PolyPolygonShape3D& rPolyPolygonShape3DSource)
+        {
+            B3DPolyPolygon aRetval;
+            const sal_Int32 nOuterSequenceCount(rPolyPolygonShape3DSource.SequenceX.getLength());
+
+            if(nOuterSequenceCount)
+            {
+                assert(nOuterSequenceCount == rPolyPolygonShape3DSource.SequenceY.getLength()
+                           && nOuterSequenceCount
+                                  == rPolyPolygonShape3DSource.SequenceZ.getLength()&&
+                       "UnoPolyPolygonShape3DToB3DPolygon: Not all double sequences have the same "
+                       "length (!)" );
+
+                const css::drawing::DoubleSequence* pInnerSequenceX = rPolyPolygonShape3DSource.SequenceX.getConstArray();
+                const css::drawing::DoubleSequence* pInnerSequenceY = rPolyPolygonShape3DSource.SequenceY.getConstArray();
+                const css::drawing::DoubleSequence* pInnerSequenceZ = rPolyPolygonShape3DSource.SequenceZ.getConstArray();
+
+                for(sal_Int32 a(0); a < nOuterSequenceCount; a++)
+                {
+                    basegfx::B3DPolygon aNewPolygon;
+                    const sal_Int32 nInnerSequenceCount(pInnerSequenceX->getLength());
+                    assert(nInnerSequenceCount == pInnerSequenceY->getLength()
+                           && nInnerSequenceCount == pInnerSequenceZ->getLength()
+                           && "UnoPolyPolygonShape3DToB3DPolygon: Not all double sequences have "
+                              "the same length (!)");
+
+                    const double* pArrayX = pInnerSequenceX->getConstArray();
+                    const double* pArrayY = pInnerSequenceY->getConstArray();
+                    const double* pArrayZ = pInnerSequenceZ->getConstArray();
+
+                    for(sal_Int32 b(0); b < nInnerSequenceCount; b++)
+                    {
+                        aNewPolygon.append(basegfx::B3DPoint(*pArrayX++,*pArrayY++,*pArrayZ++));
+                    }
+
+                    pInnerSequenceX++;
+                    pInnerSequenceY++;
+                    pInnerSequenceZ++;
+
+                    // #i101520# correction is needed for imported polygons of old format,
+                    // see callers
+                    basegfx::utils::checkClosed(aNewPolygon);
+
+                    aRetval.append(aNewPolygon);
+                }
+            }
+
+            return aRetval;
+        }
+
+        void B3DPolyPolygonToUnoPolyPolygonShape3D(
+            const B3DPolyPolygon& rPolyPolygonSource,
+            css::drawing::PolyPolygonShape3D& rPolyPolygonShape3DRetval)
+        {
+            const sal_uInt32 nPolygonCount(rPolyPolygonSource.count());
+
+            if(nPolygonCount)
+            {
+                rPolyPolygonShape3DRetval.SequenceX.realloc(nPolygonCount);
+                rPolyPolygonShape3DRetval.SequenceY.realloc(nPolygonCount);
+                rPolyPolygonShape3DRetval.SequenceZ.realloc(nPolygonCount);
+
+                css::drawing::DoubleSequence* pOuterSequenceX = rPolyPolygonShape3DRetval.SequenceX.getArray();
+                css::drawing::DoubleSequence* pOuterSequenceY = rPolyPolygonShape3DRetval.SequenceY.getArray();
+                css::drawing::DoubleSequence* pOuterSequenceZ = rPolyPolygonShape3DRetval.SequenceZ.getArray();
+
+                for(sal_uInt32 a(0); a < nPolygonCount; a++)
+                {
+                    const basegfx::B3DPolygon& aPoly(rPolyPolygonSource.getB3DPolygon(a));
+                    const sal_uInt32 nPointCount(aPoly.count());
+
+                    if(nPointCount)
+                    {
+                        const bool bIsClosed(aPoly.isClosed());
+                        const sal_uInt32 nTargetCount(bIsClosed ? nPointCount + 1 : nPointCount);
+                        pOuterSequenceX->realloc(nTargetCount);
+                        pOuterSequenceY->realloc(nTargetCount);
+                        pOuterSequenceZ->realloc(nTargetCount);
+
+                        double* pInnerSequenceX = pOuterSequenceX->getArray();
+                        double* pInnerSequenceY = pOuterSequenceY->getArray();
+                        double* pInnerSequenceZ = pOuterSequenceZ->getArray();
+
+                        for(sal_uInt32 b(0); b < nPointCount; b++)
+                        {
+                            const basegfx::B3DPoint aPoint(aPoly.getB3DPoint(b));
+
+                            *pInnerSequenceX++ = aPoint.getX();
+                            *pInnerSequenceY++ = aPoint.getY();
+                            *pInnerSequenceZ++ = aPoint.getZ();
+                        }
+
+                        if(bIsClosed)
+                        {
+                            const basegfx::B3DPoint aPoint(aPoly.getB3DPoint(0));
+
+                            *pInnerSequenceX++ = aPoint.getX();
+                            *pInnerSequenceY++ = aPoint.getY();
+                            *pInnerSequenceZ++ = aPoint.getZ();
+                        }
+                    }
+                    else
+                    {
+                        pOuterSequenceX->realloc(0);
+                        pOuterSequenceY->realloc(0);
+                        pOuterSequenceZ->realloc(0);
+                    }
+
+                    pOuterSequenceX++;
+                    pOuterSequenceY++;
+                    pOuterSequenceZ++;
+                }
+            }
+            else
+            {
+                rPolyPolygonShape3DRetval.SequenceX.realloc(0);
+                rPolyPolygonShape3DRetval.SequenceY.realloc(0);
+                rPolyPolygonShape3DRetval.SequenceZ.realloc(0);
+            }
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */