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-rw-r--r--basegfx/source/polygon/b2dpolypolygon.cxx439
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diff --git a/basegfx/source/polygon/b2dpolypolygon.cxx b/basegfx/source/polygon/b2dpolypolygon.cxx
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+/* -*- 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/b2dpolypolygon.hxx>
+#include <osl/diagnose.h>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/utils/systemdependentdata.hxx>
+#include <algorithm>
+
+class ImplB2DPolyPolygon
+{
+ basegfx::B2DPolygonVector maPolygons;
+ std::unique_ptr< basegfx::SystemDependentDataHolder > mpSystemDependentDataHolder;
+
+public:
+ ImplB2DPolyPolygon()
+ : maPolygons(),
+ mpSystemDependentDataHolder()
+ {
+ }
+
+ explicit ImplB2DPolyPolygon(const ImplB2DPolyPolygon& rSource)
+ : maPolygons(rSource.maPolygons),
+ mpSystemDependentDataHolder()
+ {
+ }
+
+ explicit ImplB2DPolyPolygon(const basegfx::B2DPolygon& rToBeCopied)
+ : maPolygons(1,rToBeCopied),
+ mpSystemDependentDataHolder()
+ {
+ }
+
+ ImplB2DPolyPolygon& operator=(const ImplB2DPolyPolygon& rSource)
+ {
+ if (this != &rSource)
+ {
+ maPolygons = rSource.maPolygons;
+ mpSystemDependentDataHolder.reset();
+ }
+
+ return *this;
+ }
+
+ void addOrReplaceSystemDependentData(basegfx::SystemDependentData_SharedPtr& rData)
+ {
+ if(!mpSystemDependentDataHolder)
+ {
+ mpSystemDependentDataHolder.reset(new basegfx::SystemDependentDataHolder());
+ }
+
+ mpSystemDependentDataHolder->addOrReplaceSystemDependentData(rData);
+ }
+
+ basegfx::SystemDependentData_SharedPtr getSystemDependentData(size_t hash_code) const
+ {
+ if(!mpSystemDependentDataHolder)
+ {
+ return basegfx::SystemDependentData_SharedPtr();
+ }
+
+ return mpSystemDependentDataHolder->getSystemDependentData(hash_code);
+ }
+
+ bool operator==(const ImplB2DPolyPolygon& rPolygonList) const
+ {
+ return maPolygons == rPolygonList.maPolygons;
+ }
+
+ const basegfx::B2DPolygon& getB2DPolygon(sal_uInt32 nIndex) const
+ {
+ return maPolygons[nIndex];
+ }
+
+ void setB2DPolygon(sal_uInt32 nIndex, const basegfx::B2DPolygon& rPolygon)
+ {
+ maPolygons[nIndex] = rPolygon;
+ }
+
+ void insert(sal_uInt32 nIndex, const basegfx::B2DPolygon& rPolygon, sal_uInt32 nCount)
+ {
+ if(nCount)
+ {
+ // add nCount copies of rPolygon
+ basegfx::B2DPolygonVector::iterator aIndex(maPolygons.begin());
+ if( nIndex )
+ aIndex += nIndex;
+ maPolygons.insert(aIndex, nCount, rPolygon);
+ }
+ }
+
+ void insert(sal_uInt32 nIndex, const basegfx::B2DPolyPolygon& rPolyPolygon)
+ {
+ // add nCount polygons from rPolyPolygon
+ basegfx::B2DPolygonVector::iterator aIndex(maPolygons.begin());
+ if( nIndex )
+ aIndex += nIndex;
+ maPolygons.insert(aIndex, rPolyPolygon.begin(), rPolyPolygon.end());
+ }
+
+ void remove(sal_uInt32 nIndex, sal_uInt32 nCount)
+ {
+ if(nCount)
+ {
+ // remove polygon data
+ basegfx::B2DPolygonVector::iterator aStart(maPolygons.begin());
+ aStart += nIndex;
+ const basegfx::B2DPolygonVector::iterator aEnd(aStart + nCount);
+
+ maPolygons.erase(aStart, aEnd);
+ }
+ }
+
+ sal_uInt32 count() const
+ {
+ return maPolygons.size();
+ }
+
+ void setClosed(bool bNew)
+ {
+ for(basegfx::B2DPolygon & rPolygon : maPolygons)
+ {
+ rPolygon.setClosed(bNew);
+ }
+ }
+
+ void flip()
+ {
+ for (auto& aPolygon : maPolygons)
+ aPolygon.flip();
+ }
+
+ void removeDoublePoints()
+ {
+ for (auto& aPolygon : maPolygons)
+ aPolygon.removeDoublePoints();
+ }
+
+ void transform(const basegfx::B2DHomMatrix& rMatrix)
+ {
+ for (auto& aPolygon : maPolygons)
+ aPolygon.transform(rMatrix);
+ }
+
+ void makeUnique()
+ {
+ for (auto& aPolygon : maPolygons)
+ aPolygon.makeUnique();
+ }
+
+ const basegfx::B2DPolygon* begin() const
+ {
+ if (maPolygons.empty())
+ return nullptr;
+ else
+ return maPolygons.data();
+ }
+
+ const basegfx::B2DPolygon* end() const
+ {
+ if (maPolygons.empty())
+ return nullptr;
+ else
+ return maPolygons.data() + maPolygons.size();
+ }
+
+ basegfx::B2DPolygon* begin()
+ {
+ if (maPolygons.empty())
+ return nullptr;
+ else
+ return maPolygons.data();
+ }
+
+ basegfx::B2DPolygon* end()
+ {
+ if (maPolygons.empty())
+ return nullptr;
+ else
+ return maPolygons.data() + maPolygons.size();
+ }
+};
+
+namespace basegfx
+{
+
+ B2DPolyPolygon::B2DPolyPolygon() = default;
+
+ B2DPolyPolygon::B2DPolyPolygon(const B2DPolyPolygon&) = default;
+
+ B2DPolyPolygon::B2DPolyPolygon(B2DPolyPolygon&&) = default;
+
+ B2DPolyPolygon::B2DPolyPolygon(const B2DPolygon& rPolygon) :
+ mpPolyPolygon( ImplB2DPolyPolygon(rPolygon) )
+ {
+ }
+
+ B2DPolyPolygon::~B2DPolyPolygon() = default;
+
+ B2DPolyPolygon& B2DPolyPolygon::operator=(const B2DPolyPolygon&) = default;
+
+ B2DPolyPolygon& B2DPolyPolygon::operator=(B2DPolyPolygon&&) = default;
+
+ void B2DPolyPolygon::makeUnique()
+ {
+ mpPolyPolygon.make_unique();
+ mpPolyPolygon->makeUnique();
+ }
+
+ bool B2DPolyPolygon::operator==(const B2DPolyPolygon& rPolyPolygon) const
+ {
+ if(mpPolyPolygon.same_object(rPolyPolygon.mpPolyPolygon))
+ return true;
+
+ return ((*mpPolyPolygon) == (*rPolyPolygon.mpPolyPolygon));
+ }
+
+ bool B2DPolyPolygon::operator!=(const B2DPolyPolygon& rPolyPolygon) const
+ {
+ return !((*this) == rPolyPolygon);
+ }
+
+ sal_uInt32 B2DPolyPolygon::count() const
+ {
+ return mpPolyPolygon->count();
+ }
+
+ B2DPolygon const & B2DPolyPolygon::getB2DPolygon(sal_uInt32 nIndex) const
+ {
+ OSL_ENSURE(nIndex < mpPolyPolygon->count(), "B2DPolyPolygon access outside range (!)");
+
+ return mpPolyPolygon->getB2DPolygon(nIndex);
+ }
+
+ void B2DPolyPolygon::setB2DPolygon(sal_uInt32 nIndex, const B2DPolygon& rPolygon)
+ {
+ OSL_ENSURE(nIndex < mpPolyPolygon->count(), "B2DPolyPolygon access outside range (!)");
+
+ if(getB2DPolygon(nIndex) != rPolygon)
+ mpPolyPolygon->setB2DPolygon(nIndex, rPolygon);
+ }
+
+ bool B2DPolyPolygon::areControlPointsUsed() const
+ {
+ for(sal_uInt32 a(0); a < mpPolyPolygon->count(); a++)
+ {
+ const B2DPolygon& rPolygon = mpPolyPolygon->getB2DPolygon(a);
+
+ if(rPolygon.areControlPointsUsed())
+ {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ void B2DPolyPolygon::insert(sal_uInt32 nIndex, const B2DPolygon& rPolygon, sal_uInt32 nCount)
+ {
+ OSL_ENSURE(nIndex <= mpPolyPolygon->count(), "B2DPolyPolygon Insert outside range (!)");
+
+ if(nCount)
+ mpPolyPolygon->insert(nIndex, rPolygon, nCount);
+ }
+
+ void B2DPolyPolygon::append(const B2DPolygon& rPolygon, sal_uInt32 nCount)
+ {
+ if(nCount)
+ mpPolyPolygon->insert(mpPolyPolygon->count(), rPolygon, nCount);
+ }
+
+ B2DPolyPolygon B2DPolyPolygon::getDefaultAdaptiveSubdivision() const
+ {
+ B2DPolyPolygon aRetval;
+
+ for(sal_uInt32 a(0); a < mpPolyPolygon->count(); a++)
+ {
+ aRetval.append(mpPolyPolygon->getB2DPolygon(a).getDefaultAdaptiveSubdivision());
+ }
+
+ return aRetval;
+ }
+
+ B2DRange B2DPolyPolygon::getB2DRange() const
+ {
+ B2DRange aRetval;
+
+ for(sal_uInt32 a(0); a < mpPolyPolygon->count(); a++)
+ {
+ aRetval.expand(mpPolyPolygon->getB2DPolygon(a).getB2DRange());
+ }
+
+ return aRetval;
+ }
+
+ void B2DPolyPolygon::insert(sal_uInt32 nIndex, const B2DPolyPolygon& rPolyPolygon)
+ {
+ OSL_ENSURE(nIndex <= mpPolyPolygon->count(), "B2DPolyPolygon Insert outside range (!)");
+
+ if(rPolyPolygon.count())
+ mpPolyPolygon->insert(nIndex, rPolyPolygon);
+ }
+
+ void B2DPolyPolygon::append(const B2DPolyPolygon& rPolyPolygon)
+ {
+ if(rPolyPolygon.count())
+ mpPolyPolygon->insert(mpPolyPolygon->count(), rPolyPolygon);
+ }
+
+ void B2DPolyPolygon::remove(sal_uInt32 nIndex, sal_uInt32 nCount)
+ {
+ OSL_ENSURE(nIndex + nCount <= mpPolyPolygon->count(), "B2DPolyPolygon Remove outside range (!)");
+
+ if(nCount)
+ mpPolyPolygon->remove(nIndex, nCount);
+ }
+
+ void B2DPolyPolygon::clear()
+ {
+ *mpPolyPolygon = ImplB2DPolyPolygon();
+ }
+
+ bool B2DPolyPolygon::isClosed() const
+ {
+ bool bRetval(true);
+
+ // PolyPOlygon is closed when all contained Polygons are closed or
+ // no Polygon exists.
+ for(sal_uInt32 a(0); bRetval && a < mpPolyPolygon->count(); a++)
+ {
+ if(!mpPolyPolygon->getB2DPolygon(a).isClosed())
+ {
+ bRetval = false;
+ }
+ }
+
+ return bRetval;
+ }
+
+ void B2DPolyPolygon::setClosed(bool bNew)
+ {
+ if(bNew != isClosed())
+ mpPolyPolygon->setClosed(bNew);
+ }
+
+ void B2DPolyPolygon::flip()
+ {
+ if(mpPolyPolygon->count())
+ {
+ mpPolyPolygon->flip();
+ }
+ }
+
+ bool B2DPolyPolygon::hasDoublePoints() const
+ {
+ bool bRetval(false);
+
+ for(sal_uInt32 a(0); !bRetval && a < mpPolyPolygon->count(); a++)
+ {
+ if(mpPolyPolygon->getB2DPolygon(a).hasDoublePoints())
+ {
+ bRetval = true;
+ }
+ }
+
+ return bRetval;
+ }
+
+ void B2DPolyPolygon::removeDoublePoints()
+ {
+ if(hasDoublePoints())
+ mpPolyPolygon->removeDoublePoints();
+ }
+
+ void B2DPolyPolygon::transform(const B2DHomMatrix& rMatrix)
+ {
+ if(mpPolyPolygon->count() && !rMatrix.isIdentity())
+ {
+ mpPolyPolygon->transform(rMatrix);
+ }
+ }
+
+ const B2DPolygon* B2DPolyPolygon::begin() const
+ {
+ return mpPolyPolygon->begin();
+ }
+
+ const B2DPolygon* B2DPolyPolygon::end() const
+ {
+ return mpPolyPolygon->end();
+ }
+
+ B2DPolygon* B2DPolyPolygon::begin()
+ {
+ return mpPolyPolygon->begin();
+ }
+
+ B2DPolygon* B2DPolyPolygon::end()
+ {
+ return mpPolyPolygon->end();
+ }
+
+ void B2DPolyPolygon::addOrReplaceSystemDependentDataInternal(SystemDependentData_SharedPtr& rData) const
+ {
+ // Need to get ImplB2DPolyPolygon* from cow_wrapper *without*
+ // calling make_unique() here - we do not want to
+ // 'modify' the ImplB2DPolyPolygon, but add buffered data that
+ // is valid for all referencing instances
+ const B2DPolyPolygon* pMe(this);
+ const ImplB2DPolyPolygon* pMyImpl(pMe->mpPolyPolygon.get());
+
+ const_cast<ImplB2DPolyPolygon*>(pMyImpl)->addOrReplaceSystemDependentData(rData);
+ }
+
+ SystemDependentData_SharedPtr B2DPolyPolygon::getSystemDependantDataInternal(size_t hash_code) const
+ {
+ return mpPolyPolygon->getSystemDependentData(hash_code);
+ }
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */