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