/* -*- 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 .

 */

#pragma once

#include <svx/svdotext.hxx>

#include <svx/svxdllapi.h>

#include <memory>

class ImpPathForDragAndCreate;

// Helper class SdrPathObjGeoData

// used for undo/redo

class SdrPathObjGeoData final : public SdrTextObjGeoData

{

public:

    basegfx::B2DPolyPolygon maPathPolygon;

    SdrObjKind meKind;

    SdrPathObjGeoData();

    virtual ~SdrPathObjGeoData() override;

};

class SVXCORE_DLLPUBLIC SdrPathObj final : public SdrTextObj

{

private:

    friend class ImpPathForDragAndCreate;

    virtual std::unique_ptr<sdr::contact::ViewContact> CreateObjectSpecificViewContact() override;

    basegfx::B2DPolyPolygon maPathPolygon;

    SdrObjKind meKind;

    bool mbHandleScale = false;

    // for isolation of old Drag/Create code

    std::unique_ptr<ImpPathForDragAndCreate> mpDAC;

    // helper functions for GET, SET, INS etc. PNT

    void ImpSetClosed(bool bClose);

    void ImpForceKind();

    void ImpForceLineAngle();

    ImpPathForDragAndCreate& impGetDAC() const;

private:

    // protected destructor - due to final, make private

    virtual ~SdrPathObj() override;

public:

    SdrPathObj(

        SdrModel& rSdrModel,

        SdrObjKind eNewKind);

    // Copy constructor

    SdrPathObj(SdrModel& rSdrModel, SdrPathObj const & rSource);

    SdrPathObj(

        SdrModel& rSdrModel,

        SdrObjKind eNewKind,

        basegfx::B2DPolyPolygon aPathPoly);

    virtual void TakeObjInfo(SdrObjTransformInfoRec& rInfo) const override;

    virtual SdrObjKind GetObjIdentifier() const override;

    virtual void TakeUnrotatedSnapRect(tools::Rectangle& rRect) const override;

    virtual rtl::Reference<SdrObject> CloneSdrObject(SdrModel& rTargetModel) const override;

    virtual OUString TakeObjNameSingul() const override;

    virtual OUString TakeObjNamePlural() const override;

    virtual basegfx::B2DPolyPolygon TakeXorPoly() const override;

    virtual void RecalcSnapRect() override;

    virtual void NbcSetSnapRect(const tools::Rectangle& rRect) override;

    virtual sal_uInt32 GetHdlCount() const override;

    virtual void AddToHdlList(SdrHdlList& rHdlList) const override;

    virtual void AddToPlusHdlList(SdrHdlList& rHdlList, SdrHdl& rHdl) const override;

    virtual const tools::Rectangle& GetLogicRect() const override;

    // special drag methods

    virtual bool hasSpecialDrag() const override;

    virtual bool beginSpecialDrag(SdrDragStat& rDrag) const override;

    virtual bool applySpecialDrag(SdrDragStat& rDrag) override;

    virtual OUString getSpecialDragComment(const SdrDragStat& rDrag) const override;

    virtual basegfx::B2DPolyPolygon getSpecialDragPoly(const SdrDragStat& rDrag) const override;

    virtual bool BegCreate(SdrDragStat& rStat) override;

    virtual bool MovCreate(SdrDragStat& rStat) override;

    virtual bool EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd) override;

    virtual bool BckCreate(SdrDragStat& rStat) override;

    virtual void BrkCreate(SdrDragStat& rStat) override;

    virtual basegfx::B2DPolyPolygon TakeCreatePoly(const SdrDragStat& rDrag) const override;

    PointerStyle GetCreatePointer() const override;

    // during drag or create, allow accessing the so-far created/modified polyPolygon

    basegfx::B2DPolyPolygon getObjectPolyPolygon(const SdrDragStat& rDrag) const;

    basegfx::B2DPolyPolygon getDragPolyPolygon(const SdrDragStat& rDrag) const;

    virtual void NbcMove(const Size& aSize) override;

    virtual void NbcResize(const Point& rRefPnt, double aXFact, double aYFact) override;

    virtual void NbcRotate(const Point& rRefPnt, Degree100 nAngle, double fSin, double fCos) override;

    virtual void NbcMirror(const Point& rRefPnt1, const Point& rRefPnt2) override;

    virtual void NbcShear(const Point& rRefPnt, Degree100 nAngle, double fTan, bool bVShear) override;

    virtual sal_uInt32 GetSnapPointCount() const override;

    virtual Point GetSnapPoint(sal_uInt32 i) const override;

    virtual bool IsPolyObj() const override;

    virtual sal_uInt32 GetPointCount() const override;

    virtual Point GetPoint(sal_uInt32 nHdlNum) const override;

    virtual void NbcSetPoint(const Point& rPnt, sal_uInt32 nHdlNum) override;

    // insert point

    sal_uInt32 NbcInsPointOld(const Point& rPos, bool bNewObj);

    sal_uInt32 NbcInsPoint(const Point& rPos, bool bNewObj);

    // rip at given point

    rtl::Reference<SdrPathObj> RipPoint(sal_uInt32 nHdlNum, sal_uInt32& rNewPt0Index);

private:

    virtual std::unique_ptr<SdrObjGeoData> NewGeoData() const override;

    virtual void SaveGeoData(SdrObjGeoData& rGeo) const override;

    virtual void RestoreGeoData(const SdrObjGeoData& rGeo) override;

public:

    virtual rtl::Reference<SdrObject> DoConvertToPolyObj(bool bBezier, bool bAddText) const override;

    // Bezier-polygon getter/setter

    const basegfx::B2DPolyPolygon& GetPathPoly() const { return maPathPolygon; }

    void SetPathPoly(const basegfx::B2DPolyPolygon& rPathPoly);

    void NbcSetPathPoly(const basegfx::B2DPolyPolygon& rPathPoly);

    // special functions for Bezier-polygon handling

    bool IsClosed() const { return meKind==SdrObjKind::Polygon || meKind==SdrObjKind::PathPoly || meKind==SdrObjKind::PathFill || meKind==SdrObjKind::FreehandFill; }

    bool IsLine() const { return meKind==SdrObjKind::PolyLine || meKind==SdrObjKind::PathPolyLine || meKind==SdrObjKind::PathLine || meKind==SdrObjKind::FreehandLine || meKind==SdrObjKind::Line; }

    bool IsBezier() const { return meKind==SdrObjKind::PathLine || meKind==SdrObjKind::PathFill; }

    // close/open path

    // if opening, move end point by "nOpenDistance"

    void ToggleClosed(); // long nOpenDistance);

    // transformation interface for StarOfficeAPI. This implements support for

    // homogen 3x3 matrices containing the transformation of the SdrObject. At the

    // moment it contains a shearX, rotation and translation, but for setting all linear

    // transforms like Scale, ShearX, ShearY, Rotate and Translate are supported.

    //

    // gets base transformation and rectangle of object. If it's an SdrPathObj it fills the PolyPolygon

    // with the base geometry and returns TRUE. Otherwise it returns FALSE.

    virtual bool TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegfx::B2DPolyPolygon& rPolyPolygon) const override;

    // sets the base geometry of the object using infos contained in the homogen 3x3 matrix.

    // If it's an SdrPathObj it will use the provided geometry information. The Polygon has

    // to use (0,0) as upper left and will be scaled to the given size in the matrix.

    virtual void TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& rPolyPolygon) override;

    /**

     * Scaling is ignored from the transform matrix by default, to not break compatibility. One can

     * opt in to handle scaling if matching ODF behavior is more important.

     */

    void SetHandleScale(bool bHandleScale);

};

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