/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
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* 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 ;
// 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);
/** Translate (ie. move).
Much faster equivalent of transform(createTranslateB2DHomMatrix(xx)). */
void translate(double fTranslateX, double fTranslateY);
inline void translate(const B2DTuple& rTranslate)
{
translate(rTranslate.getX(), rTranslate.getY());
}
// 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(basegfx::SDD_Type aType) const
{
return std::static_pointer_cast<T>(getSystemDependantDataInternal(aType));
}
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(basegfx::SDD_Type aType) 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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