b9337e22ce
see https://gerrit.libreoffice.org/#/c/3367/ and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a
181 lines
6.6 KiB
C++
181 lines
6.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _XPOLY_HXX
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#define _XPOLY_HXX
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#include <tools/solar.h>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include "svx/svxdllapi.h"
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class Point;
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class Rectangle;
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class SvStream;
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class Polygon;
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class PolyPolygon;
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class OutputDevice;
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/************************************************************************/
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#define XPOLYPOLY_APPEND 0xFFFF
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#define XPOLY_APPEND 0xFFFF
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#define XPOLY_MAXPOINTS 0xFFF0 /* Auch fuer die 32-Bitter etwas Luft lassen */
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/************************************************************************/
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// Punktstile im XPolygon:
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// NORMAL : Anfangs- oder Endpunkt einer Kurve oder Linie
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// SMOOTH : Glatter Uebergang zwischen Kurven
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// SYMMTR : glatter und symmetrischer Uebergang zwischen Kurven
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// CONTROL: Kontrollpunkt einer Bezierkurve
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enum XPolyFlags { XPOLY_NORMAL, XPOLY_SMOOTH, XPOLY_CONTROL, XPOLY_SYMMTR };
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/*************************************************************************
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|*
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|* Klasse XPolygon; hat neben dem Point-Array noch ein Array mit Flags,
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|* die Informationen ueber den jeweiligen Punkt enthalten
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|*
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\************************************************************************/
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class ImpXPolygon;
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class SVX_DLLPUBLIC XPolygon
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{
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protected:
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ImpXPolygon* pImpXPolygon;
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// ImpXPolygon-ReferenceCount pruefen und ggf. abkoppeln
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void CheckReference();
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// Hilfsfunktionen fuer Bezierkonvertierung
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void SubdivideBezier(sal_uInt16 nPos, sal_Bool bCalcFirst, double fT);
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void GenBezArc(const Point& rCenter, long nRx, long nRy,
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long nXHdl, long nYHdl, sal_uInt16 nStart, sal_uInt16 nEnd,
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sal_uInt16 nQuad, sal_uInt16 nFirst);
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sal_Bool CheckAngles(sal_uInt16& nStart, sal_uInt16 nEnd, sal_uInt16& nA1, sal_uInt16& nA2);
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public:
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XPolygon( sal_uInt16 nSize=16, sal_uInt16 nResize=16 );
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XPolygon( const XPolygon& rXPoly );
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XPolygon( const Rectangle& rRect, long nRx = 0, long nRy = 0 );
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XPolygon( const Point& rCenter, long nRx, long nRy,
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sal_uInt16 nStartAngle = 0, sal_uInt16 nEndAngle = 3600,
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sal_Bool bClose = sal_True );
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~XPolygon();
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void SetPointCount( sal_uInt16 nPoints );
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sal_uInt16 GetPointCount() const;
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void Insert( sal_uInt16 nPos, const Point& rPt, XPolyFlags eFlags );
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void Insert( sal_uInt16 nPos, const XPolygon& rXPoly );
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void Remove( sal_uInt16 nPos, sal_uInt16 nCount );
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void Move( long nHorzMove, long nVertMove );
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Rectangle GetBoundRect() const;
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const Point& operator[]( sal_uInt16 nPos ) const;
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Point& operator[]( sal_uInt16 nPos );
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XPolygon& operator=( const XPolygon& rXPoly );
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sal_Bool operator==( const XPolygon& rXPoly ) const;
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sal_Bool operator!=( const XPolygon& rXPoly ) const;
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XPolyFlags GetFlags( sal_uInt16 nPos ) const;
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void SetFlags( sal_uInt16 nPos, XPolyFlags eFlags );
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sal_Bool IsControl(sal_uInt16 nPos) const;
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sal_Bool IsSmooth(sal_uInt16 nPos) const;
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// Abstand zwischen zwei Punkten
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double CalcDistance(sal_uInt16 nP1, sal_uInt16 nP2);
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// Bezierkonvertierungen
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void CalcSmoothJoin(sal_uInt16 nCenter, sal_uInt16 nDrag, sal_uInt16 nPnt);
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void CalcTangent(sal_uInt16 nCenter, sal_uInt16 nPrev, sal_uInt16 nNext);
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void PointsToBezier(sal_uInt16 nFirst);
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// Transformationen
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void Translate(const Point& rTrans);
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void Scale(double fSx, double fSy);
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void Distort(const Rectangle& rRefRect, const XPolygon& rDistortedRect);
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// #116512# convert to basegfx::B2DPolygon and return
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basegfx::B2DPolygon getB2DPolygon() const;
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// #116512# constructor to convert from basegfx::B2DPolygon
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// #i76339# made explicit
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explicit XPolygon(const basegfx::B2DPolygon& rPolygon);
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};
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/*************************************************************************
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|*
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|* Klasse XPolyPolygon; wie PolyPolygon, nur statt aus Polygonen aus
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|* XPolygonen bestehend
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|*
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\************************************************************************/
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class ImpXPolyPolygon;
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class SVX_DLLPUBLIC XPolyPolygon
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{
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protected:
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ImpXPolyPolygon* pImpXPolyPolygon;
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// ImpXPolyPolygon-ReferenceCount pruefen und ggf. abkoppeln
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void CheckReference();
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public:
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XPolyPolygon( sal_uInt16 nInitSize = 16, sal_uInt16 nResize = 16 );
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XPolyPolygon( const XPolyPolygon& rXPolyPoly );
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~XPolyPolygon();
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void Insert( const XPolygon& rXPoly,
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sal_uInt16 nPos = XPOLYPOLY_APPEND );
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void Insert( const XPolyPolygon& rXPoly,
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sal_uInt16 nPos=XPOLYPOLY_APPEND );
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XPolygon Remove( sal_uInt16 nPos );
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const XPolygon& GetObject( sal_uInt16 nPos ) const;
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void Clear();
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sal_uInt16 Count() const;
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Rectangle GetBoundRect() const;
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const XPolygon& operator[]( sal_uInt16 nPos ) const
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{ return GetObject( nPos ); }
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XPolygon& operator[]( sal_uInt16 nPos );
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XPolyPolygon& operator=( const XPolyPolygon& rXPolyPoly );
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sal_Bool operator==( const XPolyPolygon& rXPolyPoly ) const;
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sal_Bool operator!=( const XPolyPolygon& rXPolyPoly ) const;
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// Transformationen
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void Distort(const Rectangle& rRefRect, const XPolygon& rDistortedRect);
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// #116512# convert to basegfx::B2DPolyPolygon and return
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basegfx::B2DPolyPolygon getB2DPolyPolygon() const;
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// #116512# constructor to convert from basegfx::B2DPolyPolygon
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// #i76339# made explicit
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explicit XPolyPolygon(const basegfx::B2DPolyPolygon& rPolyPolygon);
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};
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#endif // _XPOLY_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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