1 files changed, 153 insertions, 0 deletions
diff --git a/basegfx/source/range/b2dpolyrange.cxx b/basegfx/source/range/b2dpolyrange.cxx
new file mode 100644
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+++ b/basegfx/source/range/b2dpolyrange.cxx
@@ -0,0 +1,153 @@
+/* -*- 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/range/b2dpolyrange.hxx>
+
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/range/b2drangeclipper.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+
+#include <algorithm>
+#include <vector>
+
+namespace basegfx
+{
+    class ImplB2DPolyRange
+    {
+    public:
+        ImplB2DPolyRange()
+        {}
+
+        bool operator==(const ImplB2DPolyRange& rRHS) const
+        {
+            return maRanges == rRHS.maRanges && maOrient == rRHS.maOrient;
+        }
+
+        sal_uInt32 count() const
+        {
+            return maRanges.size();
+        }
+
+        B2DPolyRange::ElementType getElement(sal_uInt32 nIndex) const
+        {
+            return std::make_tuple(maRanges[nIndex], maOrient[nIndex]);
+        }
+
+        void appendElement(const B2DRange& rRange, B2VectorOrientation eOrient)
+        {
+            maRanges.push_back(rRange);
+            maOrient.push_back(eOrient);
+            maBounds.expand(rRange);
+        }
+
+        void clear()
+        {
+            std::vector<B2DRange>().swap(maRanges);
+            std::vector<B2VectorOrientation>().swap(maOrient);
+
+            maBounds.reset();
+        }
+
+        bool overlaps( const B2DRange& rRange ) const
+        {
+            if( !maBounds.overlaps( rRange ) )
+                return false;
+
+            const std::vector<B2DRange>::const_iterator aEnd( maRanges.end() );
+            return std::any_of( maRanges.begin(),
+                                 aEnd,
+                                 [&rRange](const B2DRange& aRange) { return aRange.overlaps(rRange); } );
+        }
+
+        B2DPolyPolygon solveCrossovers() const
+        {
+            return utils::solveCrossovers(maRanges,maOrient);
+        }
+
+        void transform(const basegfx::B2DHomMatrix& rTranslate)
+        {
+            maBounds.transform(rTranslate);
+            for (auto &a : maRanges)
+                a.transform(rTranslate);
+        }
+
+    private:
+        B2DRange                         maBounds;
+        std::vector<B2DRange>            maRanges;
+        std::vector<B2VectorOrientation> maOrient;
+    };
+
+    B2DPolyRange::B2DPolyRange() = default;
+
+    B2DPolyRange::~B2DPolyRange() = default;
+
+    B2DPolyRange::B2DPolyRange( const B2DPolyRange& ) = default;
+
+    B2DPolyRange& B2DPolyRange::operator=( const B2DPolyRange& ) = default;
+
+    bool B2DPolyRange::operator==(const B2DPolyRange& rRange) const
+    {
+        if(mpImpl.same_object(rRange.mpImpl))
+            return true;
+
+        return ((*mpImpl) == (*rRange.mpImpl));
+    }
+
+    bool B2DPolyRange::operator!=(const B2DPolyRange& rRange) const
+    {
+        return !(*this == rRange);
+    }
+
+    sal_uInt32 B2DPolyRange::count() const
+    {
+        return mpImpl->count();
+    }
+
+    B2DPolyRange::ElementType B2DPolyRange::getElement(sal_uInt32 nIndex) const
+    {
+        return mpImpl->getElement(nIndex);
+    }
+
+    void B2DPolyRange::appendElement(const B2DRange& rRange, B2VectorOrientation eOrient)
+    {
+        mpImpl->appendElement(rRange, eOrient);
+    }
+
+    void B2DPolyRange::clear()
+    {
+        mpImpl->clear();
+    }
+
+    bool B2DPolyRange::overlaps( const B2DRange& rRange ) const
+    {
+        return mpImpl->overlaps(rRange);
+    }
+
+    void B2DPolyRange::transform(const basegfx::B2DHomMatrix& rTranslate)
+    {
+        mpImpl->transform(rTranslate);
+    }
+
+    B2DPolyPolygon B2DPolyRange::solveCrossovers() const
+    {
+        return mpImpl->solveCrossovers();
+    }
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */