include/svx/svdopath.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.
   4  *
   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
  20 #ifndef INCLUDED_SVX_SVDOPATH_HXX
  21 #define INCLUDED_SVX_SVDOPATH_HXX
  22
  23 #include <svx/svdotext.hxx>
  24 #include <svx/xpoly.hxx>
  25 #include <svx/svxdllapi.h>
  26 #include <basegfx/vector/b2enums.hxx>
  27 #include <memory>
  28
  29 class ImpPathForDragAndCreate;
  30
  31 // Helper class SdrPathObjGeoData
  32 // used for undo/redo
  33
  34 class SdrPathObjGeoData : public SdrTextObjGeoData
  35 {
  36 public:
  37     basegfx::B2DPolyPolygon maPathPolygon;
  38     SdrObjKind                  meKind;
  39
  40     SdrPathObjGeoData();
  41     virtual ~SdrPathObjGeoData() override;
  42 };
  43
  44
  45 class SVX_DLLPUBLIC SdrPathObj final : public SdrTextObj
  46 {
  47 private:
  48     friend class ImpPathForDragAndCreate;
  49
  50     virtual std::unique_ptr<sdr::contact::ViewContact> CreateObjectSpecificViewContact() override;
  51
  52     basegfx::B2DPolyPolygon maPathPolygon;
  53     SdrObjKind                  meKind;
  54
  55     // for isolation of old Drag/Create code
  56     std::unique_ptr<ImpPathForDragAndCreate> mpDAC;
  57
  58     // helper functions for GET, SET, INS etc. PNT
  59     void ImpSetClosed(bool bClose);
  60     void ImpForceKind();
  61     void ImpForceLineAngle();
  62     ImpPathForDragAndCreate& impGetDAC() const;
  63
  64 private:
  65     // protected destructor - due to final, make private
  66     virtual ~SdrPathObj() override;
  67
  68 public:
  69     SdrPathObj(
  70         SdrModel& rSdrModel,
  71         SdrObjKind eNewKind);
  72     SdrPathObj(
  73         SdrModel& rSdrModel,
  74         SdrObjKind eNewKind,
  75         const basegfx::B2DPolyPolygon& rPathPoly);
  76
  77     virtual void TakeObjInfo(SdrObjTransformInfoRec& rInfo) const override;
  78     virtual sal_uInt16 GetObjIdentifier() const override;
  79     virtual void TakeUnrotatedSnapRect(tools::Rectangle& rRect) const override;
  80     virtual SdrPathObj* CloneSdrObject(SdrModel& rTargetModel) const override;
  81     SdrPathObj& operator=(const SdrPathObj& rObj);
  82
  83     virtual OUString TakeObjNameSingul() const override;
  84     virtual OUString TakeObjNamePlural() const override;
  85     virtual basegfx::B2DPolyPolygon TakeXorPoly() const override;
  86     virtual void RecalcSnapRect() override;
  87     virtual void NbcSetSnapRect(const tools::Rectangle& rRect) override;
  88     virtual sal_uInt32 GetHdlCount() const override;
  89     virtual void AddToHdlList(SdrHdlList& rHdlList) const override;
  90     virtual void AddToPlusHdlList(SdrHdlList& rHdlList, SdrHdl& rHdl) const override;
  91
  92     // special drag methods
  93     virtual bool hasSpecialDrag() const override;
  94     virtual bool beginSpecialDrag(SdrDragStat& rDrag) const override;
  95     virtual bool applySpecialDrag(SdrDragStat& rDrag) override;
  96     virtual OUString getSpecialDragComment(const SdrDragStat& rDrag) const override;
  97     virtual basegfx::B2DPolyPolygon getSpecialDragPoly(const SdrDragStat& rDrag) const override;
  98
  99     virtual bool BegCreate(SdrDragStat& rStat) override;
 100     virtual bool MovCreate(SdrDragStat& rStat) override;
 101     virtual bool EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd) override;
 102     virtual bool BckCreate(SdrDragStat& rStat) override;
 103     virtual void BrkCreate(SdrDragStat& rStat) override;
 104     virtual basegfx::B2DPolyPolygon TakeCreatePoly(const SdrDragStat& rDrag) const override;
 105     PointerStyle GetCreatePointer() const override;
 106
 107     // during drag or create, allow accessing the so-far created/modified polyPolygon
 108     basegfx::B2DPolyPolygon getObjectPolyPolygon(const SdrDragStat& rDrag) const;
 109     basegfx::B2DPolyPolygon getDragPolyPolygon(const SdrDragStat& rDrag) const;
 110
 111     virtual void NbcMove(const Size& aSize) override;
 112     virtual void NbcResize(const Point& rRefPnt, const Fraction& aXFact, const Fraction& aYFact) override;
 113     virtual void NbcRotate(const Point& rRefPnt, long nAngle, double fSin, double fCos) override;
 114     virtual void NbcMirror(const Point& rRefPnt1, const Point& rRefPnt2) override;
 115     virtual void NbcShear(const Point& rRefPnt, long nAngle, double fTan, bool bVShear) override;
 116
 117     virtual sal_uInt32 GetSnapPointCount() const override;
 118     virtual Point GetSnapPoint(sal_uInt32 i) const override;
 119
 120     virtual bool IsPolyObj() const override;
 121     virtual sal_uInt32 GetPointCount() const override;
 122     virtual Point GetPoint(sal_uInt32 nHdlNum) const override;
 123     virtual void NbcSetPoint(const Point& rPnt, sal_uInt32 nHdlNum) override;
 124
 125     // insert point
 126     sal_uInt32 NbcInsPointOld(const Point& rPos, bool bNewObj);
 127     sal_uInt32 NbcInsPoint(const Point& rPos, bool bNewObj);
 128
 129     // rip at given point
 130     SdrObject* RipPoint(sal_uInt32 nHdlNum, sal_uInt32& rNewPt0Index);
 131
 132 private:
 133     virtual SdrObjGeoData* NewGeoData() const override;
 134     virtual void SaveGeoData(SdrObjGeoData& rGeo) const override;
 135     virtual void RestGeoData(const SdrObjGeoData& rGeo) override;
 136
 137 public:
 138     virtual SdrObject* DoConvertToPolyObj(bool bBezier, bool bAddText) const override;
 139
 140     // Bezier-polygon getter/setter
 141     const basegfx::B2DPolyPolygon& GetPathPoly() const { return maPathPolygon; }
 142     void SetPathPoly(const basegfx::B2DPolyPolygon& rPathPoly);
 143     void NbcSetPathPoly(const basegfx::B2DPolyPolygon& rPathPoly);
 144
 145     // special functions for Bezier-polygon handling
 146     bool IsClosed() const { return meKind==OBJ_POLY || meKind==OBJ_PATHPOLY || meKind==OBJ_PATHFILL || meKind==OBJ_FREEFILL || meKind==OBJ_SPLNFILL; }
 147     bool IsLine() const { return meKind==OBJ_PLIN || meKind==OBJ_PATHPLIN || meKind==OBJ_PATHLINE || meKind==OBJ_FREELINE || meKind==OBJ_SPLNLINE || meKind==OBJ_LINE; }
 148     bool IsBezier() const { return meKind==OBJ_PATHLINE || meKind==OBJ_PATHFILL; }
 149     bool IsSpline() const { return meKind==OBJ_SPLNLINE || meKind==OBJ_SPLNFILL; }
 150
 151     // close/open path
 152     // if opening, move end point by "nOpenDistance"
 153     void ToggleClosed(); // long nOpenDistance);
 154
 155     // transformation interface for StarOfficeAPI. This implements support for
 156     // homogen 3x3 matrices containing the transformation of the SdrObject. At the
 157     // moment it contains a shearX, rotation and translation, but for setting all linear
 158     // transforms like Scale, ShearX, ShearY, Rotate and Translate are supported.
 159     //
 160     // gets base transformation and rectangle of object. If it's an SdrPathObj it fills the PolyPolygon
 161     // with the base geometry and returns TRUE. Otherwise it returns FALSE.
 162     virtual bool TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegfx::B2DPolyPolygon& rPolyPolygon) const override;
 163     // sets the base geometry of the object using infos contained in the homogen 3x3 matrix.
 164     // If it's an SdrPathObj it will use the provided geometry information. The Polygon has
 165     // to use (0,0) as upper left and will be scaled to the given size in the matrix.
 166     virtual void TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& rPolyPolygon) override;
 167 };
 168
 169 #endif // INCLUDED_SVX_SVDOPATH_HXX
 170
 171 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */