regionband.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * 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
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#ifndef INCLUDED_VCL_INC_REGIONBAND_HXX
#define INCLUDED_VCL_INC_REGIONBAND_HXX

#include <vcl/region.hxx>

#include "regband.hxx"

#ifdef DBG_UTIL
const char* ImplDbgTestRegionBand(const void*);
#endif

class RegionBand
{
private:
    friend const char* ImplDbgTestRegionBand(const void*);

    ImplRegionBand* mpFirstBand; // root of the list with y-bands
    ImplRegionBand* mpLastCheckedBand;

    void implReset();
    [[nodiscard]] bool CheckConsistency() const;

public:
    RegionBand();
    RegionBand(const RegionBand&);
    RegionBand& operator=(const RegionBand&);
    RegionBand(const tools::Rectangle&);
    ~RegionBand();

    bool operator==(const RegionBand& rRegionBand) const;

    [[nodiscard]] bool load(SvStream& rIStrm);
    void save(SvStream& rIStrm) const;

    bool isSingleRectangle() const;
    ImplRegionBand* ImplGetFirstRegionBand() const { return mpFirstBand; }
    void ImplAddMissingBands(const tools::Long nTop, const tools::Long nBottom);
    void InsertBand(ImplRegionBand* pPreviousBand, ImplRegionBand* pBandToInsert);
    void processPoints();
    void CreateBandRange(tools::Long nYTop, tools::Long nYBottom);
    void InsertLine(const Point& rStartPt, const Point& rEndPt, tools::Long nLineId);
    void InsertPoint(const Point& rPoint, tools::Long nLineID, bool bEndPoint, LineType eLineType);
    bool OptimizeBandList();
    void Move(tools::Long nHorzMove, tools::Long nVertMove);
    void Scale(double fScaleX, double fScaleY);
    void InsertBands(tools::Long nTop, tools::Long nBottom);
    static bool InsertSingleBand(ImplRegionBand* pBand, tools::Long nYBandPosition);
    void Union(tools::Long nLeft, tools::Long nTop, tools::Long nRight, tools::Long nBottom);
    void Intersect(tools::Long nLeft, tools::Long nTop, tools::Long nRight, tools::Long nBottom);
    void Union(const RegionBand& rSource);
    void Exclude(tools::Long nLeft, tools::Long nTop, tools::Long nRight, tools::Long nBottom);
    void XOr(tools::Long nLeft, tools::Long nTop, tools::Long nRight, tools::Long nBottom);
    void Intersect(const RegionBand& rSource);
    bool Exclude(const RegionBand& rSource);
    void XOr(const RegionBand& rSource);
    tools::Rectangle GetBoundRect() const;
    bool IsInside(const Point& rPoint) const;
    sal_uInt32 getRectangleCount()
        const; // only users are Region::Intersect, Region::IsRectangle and PSWriter::ImplBmp
    void GetRegionRectangles(RectangleVector& rTarget) const;
};

#endif // INCLUDED_VCL_INC_REGIONBAND_HXX

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