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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 .
*/
#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: */
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