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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 .
*/
#ifndef INCLUDED_SVX_XPOLY_HXX
#define INCLUDED_SVX_XPOLY_HXX
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <svx/svxdllapi.h>
#include <o3tl/cow_wrapper.hxx>
#include <tools/poly.hxx>
#include <tools/degree.hxx>
class Point;
namespace tools { class Rectangle; }
class SvStream;
namespace tools {
class Polygon;
class PolyPolygon;
}
class OutputDevice;
#define XPOLYPOLY_APPEND 0xFFFF
#define XPOLY_APPEND 0xFFFF
// Class XPolygon has a point-array and a flag-array, which contains information about a particular point
class ImpXPolygon;
class SVXCORE_DLLPUBLIC XPolygon final
{
o3tl::cow_wrapper< ImpXPolygon > pImpXPolygon;
// auxiliary functions for Bezier conversion
SAL_DLLPRIVATE void SubdivideBezier(sal_uInt16 nPos, bool bCalcFirst, double fT);
SAL_DLLPRIVATE void GenBezArc(const Point& rCenter, tools::Long nRx, tools::Long nRy,
tools::Long nXHdl, tools::Long nYHdl, Degree100 nStart, Degree100 nEnd,
sal_uInt16 nQuad, sal_uInt16 nFirst);
SAL_DLLPRIVATE static bool CheckAngles(Degree100& nStart, Degree100 nEnd, Degree100& nA1, Degree100& nA2);
public:
SAL_DLLPRIVATE XPolygon( sal_uInt16 nSize=16 );
SAL_DLLPRIVATE XPolygon( const XPolygon& );
SAL_DLLPRIVATE XPolygon( XPolygon&& );
XPolygon( const tools::Polygon& rPoly );
XPolygon( const tools::Rectangle& rRect, tools::Long nRx = 0, tools::Long nRy = 0 );
XPolygon( const Point& rCenter, tools::Long nRx, tools::Long nRy,
Degree100 nStartAngle = 0_deg100, Degree100 nEndAngle = 36000_deg100,
bool bClose = true );
~XPolygon();
sal_uInt16 GetSize() const;
SAL_DLLPRIVATE void SetPointCount( sal_uInt16 nPoints );
SAL_DLLPRIVATE sal_uInt16 GetPointCount() const;
void Insert( sal_uInt16 nPos, const Point& rPt, PolyFlags eFlags );
SAL_DLLPRIVATE void Insert( sal_uInt16 nPos, const XPolygon& rXPoly );
SAL_DLLPRIVATE void Remove( sal_uInt16 nPos, sal_uInt16 nCount );
SAL_DLLPRIVATE void Move( tools::Long nHorzMove, tools::Long nVertMove );
SAL_DLLPRIVATE tools::Rectangle GetBoundRect() const;
const Point& operator[]( sal_uInt16 nPos ) const;
Point& operator[]( sal_uInt16 nPos );
SAL_DLLPRIVATE XPolygon& operator=( const XPolygon& );
SAL_DLLPRIVATE XPolygon& operator=( XPolygon&& );
SAL_DLLPRIVATE bool operator==( const XPolygon& rXPoly ) const;
SAL_DLLPRIVATE PolyFlags GetFlags( sal_uInt16 nPos ) const;
SAL_DLLPRIVATE void SetFlags( sal_uInt16 nPos, PolyFlags eFlags );
SAL_DLLPRIVATE bool IsControl(sal_uInt16 nPos) const;
SAL_DLLPRIVATE bool IsSmooth(sal_uInt16 nPos) const;
// distance between two points
SAL_DLLPRIVATE double CalcDistance(sal_uInt16 nP1, sal_uInt16 nP2);
// Bezier conversion
SAL_DLLPRIVATE void CalcSmoothJoin(sal_uInt16 nCenter, sal_uInt16 nDrag, sal_uInt16 nPnt);
SAL_DLLPRIVATE void CalcTangent(sal_uInt16 nCenter, sal_uInt16 nPrev, sal_uInt16 nNext);
SAL_DLLPRIVATE void PointsToBezier(sal_uInt16 nFirst);
// transformations
void Scale(double fSx, double fSy);
SAL_DLLPRIVATE void Distort(const tools::Rectangle& rRefRect, const XPolygon& rDistortedRect);
// #116512# convert to basegfx::B2DPolygon and return
basegfx::B2DPolygon getB2DPolygon() const;
// #116512# constructor to convert from basegfx::B2DPolygon
// #i76339# made explicit
SAL_DLLPRIVATE explicit XPolygon(const basegfx::B2DPolygon& rPolygon);
};
// Class XPolyPolygon; like PolyPolygon, composed of XPolygons instead of Polygons
class ImpXPolyPolygon;
class XPolyPolygon final
{
o3tl::cow_wrapper< ImpXPolyPolygon > pImpXPolyPolygon;
public:
XPolyPolygon();
XPolyPolygon( const XPolyPolygon& );
XPolyPolygon( XPolyPolygon&& );
~XPolyPolygon();
void Insert( XPolygon&& rXPoly );
void Insert( const XPolyPolygon& rXPoly );
void Remove( sal_uInt16 nPos );
const XPolygon& GetObject( sal_uInt16 nPos ) const;
void Clear();
sal_uInt16 Count() const;
tools::Rectangle GetBoundRect() const;
const XPolygon& operator[]( sal_uInt16 nPos ) const
{ return GetObject( nPos ); }
XPolygon& operator[]( sal_uInt16 nPos );
XPolyPolygon& operator=( const XPolyPolygon& );
XPolyPolygon& operator=( XPolyPolygon&& );
// transformations
void Distort(const tools::Rectangle& rRefRect, const XPolygon& rDistortedRect);
// #116512# convert to basegfx::B2DPolyPolygon and return
basegfx::B2DPolyPolygon getB2DPolyPolygon() const;
// #116512# constructor to convert from basegfx::B2DPolyPolygon
// #i76339# made explicit
explicit XPolyPolygon(const basegfx::B2DPolyPolygon& rPolyPolygon);
};
#endif // INCLUDED_SVX_XPOLY_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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