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Diffstat (limited to 'include/basegfx/polygon/b2dpolypolygon.hxx')
| -rw-r--r-- | include/basegfx/polygon/b2dpolypolygon.hxx | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/include/basegfx/polygon/b2dpolypolygon.hxx b/include/basegfx/polygon/b2dpolypolygon.hxx new file mode 100644 index 0000000000..d3177e3c4c --- /dev/null +++ b/include/basegfx/polygon/b2dpolypolygon.hxx @@ -0,0 +1,171 @@ +/* -*- 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 . + */ + +#pragma once + +#include <ostream> +#include <vector> + +#include <sal/types.h> +#include <o3tl/cow_wrapper.hxx> +#include <basegfx/range/b2drange.hxx> +#include <basegfx/basegfxdllapi.h> +#include <basegfx/polygon/b2dpolygon.hxx> + +namespace basegfx +{ + class B2DHomMatrix; + class ImplB2DPolyPolygon; + + class BASEGFX_DLLPUBLIC B2DPolyPolygon + { + private: + o3tl::cow_wrapper<ImplB2DPolyPolygon, o3tl::ThreadSafeRefCountingPolicy> mpPolyPolygon; + + public: + B2DPolyPolygon(); + B2DPolyPolygon(const B2DPolyPolygon& rPolyPolygon); + B2DPolyPolygon(B2DPolyPolygon&& rPolyPolygon); + explicit B2DPolyPolygon(const B2DPolygon& rPolygon); + ~B2DPolyPolygon(); + + // assignment operator + B2DPolyPolygon& operator=(const B2DPolyPolygon& rPolyPolygon); + B2DPolyPolygon& operator=(B2DPolyPolygon&& rPolyPolygon); + + /// unshare this poly-polygon (and all included polygons) with all internally shared instances + void makeUnique(); + + // compare operators + bool operator==(const B2DPolyPolygon& rPolyPolygon) const; + bool operator!=(const B2DPolyPolygon& rPolyPolygon) const; + + // polygon interface + sal_uInt32 count() const; + + B2DPolygon const & getB2DPolygon(sal_uInt32 nIndex) const; + void setB2DPolygon(sal_uInt32 nIndex, const B2DPolygon& rPolygon); + + // test for curve + bool areControlPointsUsed() const; + + // insert/append single polygon + void insert(sal_uInt32 nIndex, const B2DPolygon& rPolygon, sal_uInt32 nCount = 1); + void append(const B2DPolygon& rPolygon, sal_uInt32 nCount = 1); + void reserve(sal_uInt32 nCount); + + /** Default adaptive subdivision access + + For details refer to B2DPolygon::getDefaultAdaptiveSubdivision() + + @return + The default subdivision of this polygon + */ + B2DPolyPolygon getDefaultAdaptiveSubdivision() const; + + /** Get the B2DRange (Rectangle dimensions) of this B2DPolyPolygon + + For details refer to B2DPolygon::getB2DRange() + + @return + The outer range of the bezier curve/polygon + */ + B2DRange getB2DRange() const; + + // insert/append multiple polygons + void insert(sal_uInt32 nIndex, const B2DPolyPolygon& rPolyPolygon); + void append(const B2DPolyPolygon& rPolyPolygon); + + // remove + void remove(sal_uInt32 nIndex, sal_uInt32 nCount = 1); + + // reset to empty state + void clear(); + + // closed state + bool isClosed() const; + void setClosed(bool bNew); + + // flip polygon direction + void flip(); + + // test if tools::PolyPolygon has double points + bool hasDoublePoints() const; + + // remove double points, at the begin/end and follow-ups, too + void removeDoublePoints(); + + // apply transformation given in matrix form to the polygon + void transform(const basegfx::B2DHomMatrix& rMatrix); + + // polygon iterators (same iterator validity conditions as for vector) + const B2DPolygon* begin() const; + const B2DPolygon* end() const; + B2DPolygon* begin(); + B2DPolygon* end(); + + // exclusive management op's for SystemDependentData at B2DPolygon + template<class T> + std::shared_ptr<T> getSystemDependentData() const + { + return std::static_pointer_cast<T>(getSystemDependantDataInternal(typeid(T).hash_code())); + } + + template<class T, class... Args> + std::shared_ptr<T> addOrReplaceSystemDependentData(Args&&... args) const + { + std::shared_ptr<T> r = std::make_shared<T>(std::forward<Args>(args)...); + + // tdf#129845 only add to buffer if a relevant buffer time is estimated + if(r->calculateCombinedHoldCyclesInSeconds() > 0) + { + basegfx::SystemDependentData_SharedPtr r2(r); + addOrReplaceSystemDependentDataInternal(r2); + } + + return r; + } + + private: + void addOrReplaceSystemDependentDataInternal(SystemDependentData_SharedPtr& rData) const; + SystemDependentData_SharedPtr getSystemDependantDataInternal(size_t hash_code) const; + }; + + // typedef for a vector of B2DPolyPolygons + typedef ::std::vector< B2DPolyPolygon > B2DPolyPolygonVector; + + template< typename charT, typename traits > + inline std::basic_ostream<charT, traits> & operator <<( + std::basic_ostream<charT, traits> & stream, const B2DPolyPolygon& poly ) + { + stream << "[" << poly.count() << ":"; + for (sal_uInt32 i = 0; i < poly.count(); i++) + { + if (i > 0) + stream << ","; + stream << poly.getB2DPolygon(i); + } + stream << "]"; + + return stream; + } + +} // end of namespace basegfx + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |