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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>
class Point;
class Rectangle;
class SvStream;
namespace tools {
class Polygon;
class PolyPolygon;
}
class OutputDevice;
#define XPOLYPOLY_APPEND 0xFFFF
#define XPOLY_APPEND 0xFFFF
// point-styles in XPolygon:
// Normal : start-/endpoint of a curve or a line
// Smooth : smooth transition between curves
// Control: control handles of a Bezier curve
// Symmetric : smooth and symmetrical transition between curves
enum class XPolyFlags { Normal, Smooth, Control, Symmetric };
// Class XPolygon;has a point-array and a flag-array, which contains information about a particular point
class ImpXPolygon;
class SVX_DLLPUBLIC XPolygon
{
protected:
o3tl::cow_wrapper< ImpXPolygon > pImpXPolygon;
// auxiliary functions for Bezier conversion
void SubdivideBezier(sal_uInt16 nPos, bool bCalcFirst, double fT);
void GenBezArc(const Point& rCenter, long nRx, long nRy,
long nXHdl, long nYHdl, sal_uInt16 nStart, sal_uInt16 nEnd,
sal_uInt16 nQuad, sal_uInt16 nFirst);
static bool CheckAngles(sal_uInt16& nStart, sal_uInt16 nEnd, sal_uInt16& nA1, sal_uInt16& nA2);
public:
XPolygon( sal_uInt16 nSize=16 );
XPolygon( const XPolygon& rXPoly );
XPolygon( XPolygon&& rXPoly );
XPolygon( const tools::Polygon& rPoly );
XPolygon( const Rectangle& rRect, long nRx = 0, long nRy = 0 );
XPolygon( const Point& rCenter, long nRx, long nRy,
sal_uInt16 nStartAngle = 0, sal_uInt16 nEndAngle = 3600,
bool bClose = true );
~XPolygon();
sal_uInt16 GetSize() const;
void SetPointCount( sal_uInt16 nPoints );
sal_uInt16 GetPointCount() const;
void Insert( sal_uInt16 nPos, const Point& rPt, XPolyFlags eFlags );
void Insert( sal_uInt16 nPos, const XPolygon& rXPoly );
void Remove( sal_uInt16 nPos, sal_uInt16 nCount );
void Move( long nHorzMove, long nVertMove );
Rectangle GetBoundRect() const;
const Point& operator[]( sal_uInt16 nPos ) const;
Point& operator[]( sal_uInt16 nPos );
XPolygon& operator=( const XPolygon& rXPoly );
XPolygon& operator=( XPolygon&& rXPoly );
bool operator==( const XPolygon& rXPoly ) const;
XPolyFlags GetFlags( sal_uInt16 nPos ) const;
void SetFlags( sal_uInt16 nPos, XPolyFlags eFlags );
bool IsControl(sal_uInt16 nPos) const;
bool IsSmooth(sal_uInt16 nPos) const;
// distance between two points
double CalcDistance(sal_uInt16 nP1, sal_uInt16 nP2);
// Bezier conversion
void CalcSmoothJoin(sal_uInt16 nCenter, sal_uInt16 nDrag, sal_uInt16 nPnt);
void CalcTangent(sal_uInt16 nCenter, sal_uInt16 nPrev, sal_uInt16 nNext);
void PointsToBezier(sal_uInt16 nFirst);
// transformations
void Scale(double fSx, double fSy);
void Distort(const 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
explicit XPolygon(const basegfx::B2DPolygon& rPolygon);
};
// Class XPolyPolygon; like PolyPolygon, composed of XPolygons instead of Polygons
class ImpXPolyPolygon;
class SVX_DLLPUBLIC XPolyPolygon
{
protected:
o3tl::cow_wrapper< ImpXPolyPolygon > pImpXPolyPolygon;
public:
XPolyPolygon();
XPolyPolygon( const XPolyPolygon& rXPolyPoly );
XPolyPolygon( XPolyPolygon&& rXPolyPoly );
~XPolyPolygon();
void Insert( const XPolygon& rXPoly );
void Insert( const XPolyPolygon& rXPoly );
XPolygon Remove( sal_uInt16 nPos );
const XPolygon& GetObject( sal_uInt16 nPos ) const;
void Clear();
sal_uInt16 Count() const;
Rectangle GetBoundRect() const;
const XPolygon& operator[]( sal_uInt16 nPos ) const
{ return GetObject( nPos ); }
XPolygon& operator[]( sal_uInt16 nPos );
XPolyPolygon& operator=( const XPolyPolygon& rXPolyPoly );
XPolyPolygon& operator=( XPolyPolygon&& rXPolyPoly );
// transformations
void Distort(const 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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