    /* -*- 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_SVDHLPLN_HXX
    #define INCLUDED_SVX_SVDHLPLN_HXX

    #include <sal/types.h>
    #include <tools/gen.hxx>

    #include <vcl/pointr.hxx>
    #include <svx/svxdllapi.h>

    #include <vector>
    #include <memory>

    class OutputDevice;

    enum class SdrHelpLineKind { Point, Vertical, Horizontal };

    #define SDRHELPLINE_POINT_PIXELSIZE 15 /* actual size = PIXELSIZE*2+1 */

    class SdrHelpLine {
        Point            aPos; // X or Y may be unimportant, depending on the value of eKind
        SdrHelpLineKind  eKind;

    public:
        explicit SdrHelpLine(SdrHelpLineKind eNewKind=SdrHelpLineKind::Point): eKind(eNewKind) {}
        SdrHelpLine(SdrHelpLineKind eNewKind, const Point& rNewPos): aPos(rNewPos), eKind(eNewKind) {}
        bool operator==(const SdrHelpLine& rCmp) const { return aPos==rCmp.aPos && eKind==rCmp.eKind; }
        bool operator!=(const SdrHelpLine& rCmp) const { return !operator==(rCmp); }

        void            SetKind(SdrHelpLineKind eNewKind) { eKind=eNewKind; }
        SdrHelpLineKind GetKind() const                   { return eKind; }
        void            SetPos(const Point& rPnt)         { aPos=rPnt; }
        const Point&    GetPos() const                    { return aPos; }

        Pointer         GetPointer() const;
        bool            IsHit(const Point& rPnt, sal_uInt16 nTolLog, const OutputDevice& rOut) const;
        // OutputDevice is required because capture points have a fixed pixel size
        tools::Rectangle       GetBoundRect(const OutputDevice& rOut) const;
    };

    #define SDRHELPLINE_NOTFOUND 0xFFFF

    class SVX_DLLPUBLIC SdrHelpLineList {
        std::vector<std::unique_ptr<SdrHelpLine>> aList;

    public:
        SdrHelpLineList() {}
        SdrHelpLineList(const SdrHelpLineList& rSrcList) { *this=rSrcList; }
        void               Clear();
        SdrHelpLineList&   operator=(const SdrHelpLineList& rSrcList);
        bool operator==(const SdrHelpLineList& rCmp) const;
        bool operator!=(const SdrHelpLineList& rCmp) const                 { return !operator==(rCmp); }
        sal_uInt16         GetCount() const                                    { return sal_uInt16(aList.size()); }
        void               Insert(const SdrHelpLine& rHL)                          { aList.emplace_back(new SdrHelpLine(rHL)); }
        void               Insert(const SdrHelpLine& rHL, sal_uInt16 nPos)
        {
            if(nPos==0xFFFF)
                aList.emplace_back(new SdrHelpLine(rHL));
            else
                aList.emplace(aList.begin() + nPos, new SdrHelpLine(rHL));
        }
        void               Delete(sal_uInt16 nPos)
        {
            aList.erase(aList.begin() + nPos);
        }
        SdrHelpLine&       operator[](sal_uInt16 nPos)                             { return *aList[nPos]; }
        const SdrHelpLine& operator[](sal_uInt16 nPos) const                       { return *aList[nPos]; }
        sal_uInt16             HitTest(const Point& rPnt, sal_uInt16 nTolLog, const OutputDevice& rOut) const;
    };

    #endif // INCLUDED_SVX_SVDHLPLN_HXX

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V1023 A pointer without owner is added to the 'aList' container by the 'emplace_back' method. A memory leak will occur in case of an exception.

↑ V1023 A pointer without owner is added to the 'aList' container by the 'emplace_back' method. A memory leak will occur in case of an exception.