vcl/inc/regionband.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_VCL_INC_REGIONBAND_HXX
  20 #define INCLUDED_VCL_INC_REGIONBAND_HXX
  21
  22 #include <vcl/region.hxx>
  23
  24 #include "regband.hxx"
  25
  26 #ifdef DBG_UTIL
  27 const char* ImplDbgTestRegionBand(const void*);
  28 #endif
  29
  30 class RegionBand
  31 {
  32 private:
  33     friend const char* ImplDbgTestRegionBand(const void*);
  34
  35     ImplRegionBand* mpFirstBand; // root of the list with y-bands
  36     ImplRegionBand* mpLastCheckedBand;
  37
  38     void implReset();
  39     [[nodiscard]] bool CheckConsistency() const;
  40
  41 public:
  42     RegionBand();
  43     RegionBand(const RegionBand&);
  44     RegionBand& operator=(const RegionBand&);
  45     RegionBand(const tools::Rectangle&);
  46     ~RegionBand();
  47
  48     bool operator==(const RegionBand& rRegionBand) const;
  49
  50     [[nodiscard]] bool load(SvStream& rIStrm);
  51     void save(SvStream& rIStrm) const;
  52
  53     bool isSingleRectangle() const;
  54     ImplRegionBand* ImplGetFirstRegionBand() const { return mpFirstBand; }
  55     void ImplAddMissingBands(const tools::Long nTop, const tools::Long nBottom);
  56     void InsertBand(ImplRegionBand* pPreviousBand, ImplRegionBand* pBandToInsert);
  57     void processPoints();
  58     void CreateBandRange(tools::Long nYTop, tools::Long nYBottom);
  59     void InsertLine(const Point& rStartPt, const Point& rEndPt, tools::Long nLineId);
  60     void InsertPoint(const Point& rPoint, tools::Long nLineID, bool bEndPoint, LineType eLineType);
  61     bool OptimizeBandList();
  62     void Move(tools::Long nHorzMove, tools::Long nVertMove);
  63     void Scale(double fScaleX, double fScaleY);
  64     void InsertBands(tools::Long nTop, tools::Long nBottom);
  65     static bool InsertSingleBand(ImplRegionBand* pBand, tools::Long nYBandPosition);
  66     void Union(tools::Long nLeft, tools::Long nTop, tools::Long nRight, tools::Long nBottom);
  67     void Intersect(tools::Long nLeft, tools::Long nTop, tools::Long nRight, tools::Long nBottom);
  68     void Union(const RegionBand& rSource);
  69     void Exclude(tools::Long nLeft, tools::Long nTop, tools::Long nRight, tools::Long nBottom);
  70     void XOr(tools::Long nLeft, tools::Long nTop, tools::Long nRight, tools::Long nBottom);
  71     void Intersect(const RegionBand& rSource);
  72     bool Exclude(const RegionBand& rSource);
  73     void XOr(const RegionBand& rSource);
  74     tools::Rectangle GetBoundRect() const;
  75     bool IsInside(const Point& rPoint) const;
  76     sal_uInt32 getRectangleCount()
  77         const; // only users are Region::Intersect, Region::IsRectangle and PSWriter::ImplBmp
  78     void GetRegionRectangles(RectangleVector& rTarget) const;
  79 };
  80
  81 #endif // INCLUDED_VCL_INC_REGIONBAND_HXX
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */