128 lines
4.4 KiB
C++
128 lines
4.4 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 _SV_REGION_H
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#define _SV_REGION_H
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#include <vcl/regband.hxx>
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#include <tools/poly.hxx>
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#include <vcl/region.hxx>
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// -----------------
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// - Hilfsmethoden -
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// -----------------
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#ifdef DBG_UTIL
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const char* ImplDbgTestRegion( const void* pObj );
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#endif
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// --------------------
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// - ImplRegionHandle -
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// --------------------
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struct ImplRegionHandle
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{
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Region* mpRegion;
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ImplRegionBand* mpCurrRectBand;
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ImplRegionBandSep* mpCurrRectBandSep;
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sal_Bool mbFirst;
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};
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// ------------------
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// - ImplRegionInfo -
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// ------------------
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struct ImplRegionInfo
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{
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void* mpVoidCurrRectBand;
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void* mpVoidCurrRectBandSep;
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};
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// --------------
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// - ImplRegion -
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// --------------
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struct ImplRegionBase
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{
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public:
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ImplRegionBase( int nCount = 1 ); // TODO: replace manual refcounting
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virtual ~ImplRegionBase();
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public:
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sal_uIntPtr mnRefCount;
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sal_uIntPtr mnRectCount;
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PolyPolygon* mpPolyPoly;
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basegfx::B2DPolyPolygon* mpB2DPolyPoly;
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};
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class ImplRegion : public ImplRegionBase
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{
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friend class Region;
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private:
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ImplRegionBand* mpFirstBand; // root of the list with y-bands
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ImplRegionBand* mpLastCheckedBand;
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public:
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ImplRegion();
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ImplRegion( const PolyPolygon& rPolyPoly );
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ImplRegion( const basegfx::B2DPolyPolygon& );
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ImplRegion( const ImplRegion& rImplRegion );
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~ImplRegion();
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ImplRegionBand* ImplGetFirstRegionBand() const { return mpFirstBand; }
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PolyPolygon* ImplGetPolyPoly() const { return mpPolyPoly; }
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void CreateBandRange( long nYTop, long nYBottom );
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void InsertBands( long nYTop, long nYBottom );
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sal_Bool InsertSingleBand( ImplRegionBand* mpImplRegionBand,
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long nYBandPosition );
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sal_Bool InsertLine( const Point & rFirstPoint,
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const Point & rSecondPoint,
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long nLineID );
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sal_Bool InsertPoint( const Point &rPoint,
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long nLineID,
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sal_Bool bEndPoint, LineType eLineType );
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/** Insert one band either after another band or as the first or only
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band. Both the forward as well as the backward links are updated.
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@param pPreviousBand
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When <NULL/> then pBandToInsert is inserted as first band or as
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only band when there are no other bands.
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When not <NULL/> then pBandToInsert is inserted directly after
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pPreviousBand.
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@param pBandToInsert
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The band to insert.
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*/
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void InsertBand (ImplRegionBand* pPreviousBand,
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ImplRegionBand* pBandToInsert);
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void Union( long nLeft, long nTop, long nRight, long nBottom );
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void Exclude( long nLeft, long nTop, long nRight, long nBottom );
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void XOr( long nLeft, long nTop, long nRight, long nBottom );
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// remove emtpy rects
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sal_Bool OptimizeBandList();
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friend SvStream& operator>>( SvStream& rIStm, Region& rRegion );
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friend SvStream& operator<<( SvStream& rOStm, const Region& rRegion );
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};
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#endif // _SV_REGION_H
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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