/* -*- 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_SVDGLUE_HXX

#define INCLUDED_SVX_SVDGLUE_HXX

#include <tools/gen.hxx>

#include <tools/degree.hxx>

#include <svx/svxdllapi.h>

#include <vector>

#include <o3tl/typed_flags_set.hxx>

namespace vcl { class Window; }

class OutputDevice;

class SdrObject;

enum class SdrEscapeDirection

{

    SMART  = 0x0000,

    LEFT   = 0x0001,

    RIGHT  = 0x0002,

    TOP    = 0x0004,

    BOTTOM = 0x0008,

    HORZ   = LEFT | RIGHT,

    VERT   = TOP | BOTTOM,

    ALL    = 0x00ff,

};

namespace o3tl

{

    template<> struct typed_flags<SdrEscapeDirection> : is_typed_flags<SdrEscapeDirection, 0x00ff> {};

}

enum class SdrAlign

{

    NONE          = 0x0000,

    HORZ_CENTER   = 0x0000,

    HORZ_LEFT     = 0x0001,

    HORZ_RIGHT    = 0x0002,

    HORZ_DONTCARE = 0x0010,

    VERT_CENTER   = 0x0000,

    VERT_TOP      = 0x0100,

    VERT_BOTTOM   = 0x0200,

    VERT_DONTCARE = 0x1000,

};

namespace o3tl

{

    template<> struct typed_flags<SdrAlign> : is_typed_flags<SdrAlign, 0x1313> {};

}

class SVXCORE_DLLPUBLIC SdrGluePoint {

    // Reference Point is SdrObject::GetSnapRect().Center()

    // bNoPercent=false: position is -5000..5000 (1/100)% or 0..10000 (depending on align)

    // bNoPercent=true : position is in log unit, relative to the reference point

    Point    m_aPos;

    SdrEscapeDirection m_nEscDir;

    sal_uInt16   m_nId;

    SdrAlign     m_nAlign;

    bool m_bNoPercent:1;

    bool m_bReallyAbsolute:1; // temp for transformations on the reference object

    bool m_bUserDefined:1; // #i38892#

public:

    SdrGluePoint()

        : m_nEscDir(SdrEscapeDirection::SMART)

        , m_nId(0)

        , m_nAlign(SdrAlign::NONE)

        , m_bNoPercent(false)

        , m_bReallyAbsolute(false)

        , m_bUserDefined(true)

    {}

    SdrGluePoint(const Point& rNewPos)

        : m_aPos(rNewPos)

        , m_nEscDir(SdrEscapeDirection::SMART)

        , m_nId(0)

        , m_nAlign(SdrAlign::NONE)

        , m_bNoPercent(false)

        , m_bReallyAbsolute(false)

        , m_bUserDefined(true)

    {}

    const Point& GetPos() const

    {

        return m_aPos;

    }

    void SetPos(const Point& rNewPos)

    {

        m_aPos = rNewPos;

    }

    SdrEscapeDirection GetEscDir() const

    {

        return m_nEscDir;

    }

    void SetEscDir(SdrEscapeDirection nNewEsc)

    {

        m_nEscDir = nNewEsc;

    }

    sal_uInt16   GetId() const

    {

        return m_nId;

    }

    void SetId(sal_uInt16 nNewId)

    {

        m_nId = nNewId;

    }

    bool IsPercent() const

    {

        return !m_bNoPercent;

    }

    void SetPercent(bool bOn)

    {

        m_bNoPercent  = !bOn;

    }

    // temp for transformations on the reference object

    SAL_DLLPRIVATE void SetReallyAbsolute(bool bOn, const SdrObject& rObj);

    // #i38892#

    bool IsUserDefined() const

    {

        return m_bUserDefined;

    }

    void SetUserDefined(bool bNew)

    {

        m_bUserDefined = bNew;

    }

    SdrAlign GetAlign() const

    {

        return m_nAlign;

    }

    void SetAlign(SdrAlign nAlg)

    {

        m_nAlign = nAlg;

    }

    SdrAlign GetHorzAlign() const

    {

        return m_nAlign & static_cast<SdrAlign>(0x00FF);

    }

    void SetHorzAlign(SdrAlign nAlg)

    {

        assert((nAlg & static_cast<SdrAlign>(0xFF00)) == SdrAlign::NONE);

        m_nAlign = SdrAlign(m_nAlign & static_cast<SdrAlign>(0xFF00)) | (nAlg & static_cast<SdrAlign>(0x00FF));

    }

    SdrAlign GetVertAlign() const

    {

        return m_nAlign & static_cast<SdrAlign>(0xFF00);

    }

    void SetVertAlign(SdrAlign nAlg)

    {

        assert((nAlg & static_cast<SdrAlign>(0x00FF)) == SdrAlign::NONE);

        m_nAlign = SdrAlign(m_nAlign & static_cast<SdrAlign>(0x00FF)) | (nAlg & static_cast<SdrAlign>(0xFF00));

    }

    SAL_DLLPRIVATE bool IsHit(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj) const;

    SAL_DLLPRIVATE void Invalidate(vcl::Window& rWin, const SdrObject* pObj) const;

    Point GetAbsolutePos(const SdrObject& rObj) const;

    SAL_DLLPRIVATE void SetAbsolutePos(const Point& rNewPos, const SdrObject& rObj);

    SAL_DLLPRIVATE Degree100 GetAlignAngle() const;

    SAL_DLLPRIVATE void SetAlignAngle(Degree100 nAngle);

    SAL_DLLPRIVATE static Degree100 EscDirToAngle(SdrEscapeDirection nEsc);

    SAL_DLLPRIVATE static SdrEscapeDirection EscAngleToDir(Degree100 nAngle);

    SAL_DLLPRIVATE void Rotate(const Point& rRef, Degree100 nAngle, double sn, double cs, const SdrObject* pObj);

    SAL_DLLPRIVATE void Mirror(const Point& rRef1, const Point& rRef2, Degree100 nAngle, const SdrObject* pObj);

    SAL_DLLPRIVATE void Shear (const Point& rRef, double tn, bool bVShear, const SdrObject* pObj);

};

#define SDRGLUEPOINT_NOTFOUND 0xFFFF

class SVXCORE_DLLPUBLIC SdrGluePointList

{

    std::vector<SdrGluePoint> m_aList;

public:

    SdrGluePointList() {};

    SdrGluePointList(const SdrGluePointList& rSrcList)

    {

        *this = rSrcList;

    }

    SdrGluePointList& operator=(const SdrGluePointList& rSrcList);

    sal_uInt16 GetCount() const

    {

        return sal_uInt16(m_aList.size());

    }

    // At insert, the object (GluePoint) automatically gets an ID assigned.

    // Return value is the index of the new GluePoint in the list.

    sal_uInt16 Insert(const SdrGluePoint& rGP);

    void Delete(sal_uInt16 nPos)

    {

        m_aList.erase(m_aList.begin() + nPos);

    }

    SdrGluePoint& operator[](sal_uInt16 nPos)

    {

        return m_aList[nPos];

    }

    const SdrGluePoint& operator[](sal_uInt16 nPos) const

    {

        return m_aList[nPos];

    }

    sal_uInt16 FindGluePoint(sal_uInt16 nId) const;

    SAL_DLLPRIVATE sal_uInt16 HitTest(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj) const;

    SAL_DLLPRIVATE void Invalidate(vcl::Window& rWin, const SdrObject* pObj) const;

    // temp for transformations on the reference object

    SAL_DLLPRIVATE void SetReallyAbsolute(bool bOn, const SdrObject& rObj);

    SAL_DLLPRIVATE void Rotate(const Point& rRef, Degree100 nAngle, double sn, double cs, const SdrObject* pObj);

    SAL_DLLPRIVATE void Mirror(const Point& rRef1, const Point& rRef2, const SdrObject* pObj);

    SAL_DLLPRIVATE void Mirror(const Point& rRef1, const Point& rRef2, Degree100 nAngle, const SdrObject* pObj);

    SAL_DLLPRIVATE void Shear(const Point& rRef, double tn, bool bVShear, const SdrObject* pObj);

};

#endif // INCLUDED_SVX_SVDGLUE_HXX

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