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Diffstat (limited to 'include/svx/xpoly.hxx')
| -rw-r--r-- | include/svx/xpoly.hxx | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/include/svx/xpoly.hxx b/include/svx/xpoly.hxx new file mode 100644 index 000000000..e872b205d --- /dev/null +++ b/include/svx/xpoly.hxx @@ -0,0 +1,154 @@ +/* -*- 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> + +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 + 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& ); + XPolygon( XPolygon&& ); + XPolygon( const tools::Polygon& rPoly ); + XPolygon( const tools::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, PolyFlags eFlags ); + void Insert( sal_uInt16 nPos, const XPolygon& rXPoly ); + void Remove( sal_uInt16 nPos, sal_uInt16 nCount ); + void Move( long nHorzMove, long nVertMove ); + tools::Rectangle GetBoundRect() const; + + const Point& operator[]( sal_uInt16 nPos ) const; + Point& operator[]( sal_uInt16 nPos ); + XPolygon& operator=( const XPolygon& ); + XPolygon& operator=( XPolygon&& ); + bool operator==( const XPolygon& rXPoly ) const; + + PolyFlags GetFlags( sal_uInt16 nPos ) const; + void SetFlags( sal_uInt16 nPos, PolyFlags 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 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 + 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: */ |