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 #pragma once
  21
  22 #include <svx/svdotext.hxx>
  23 #include <svx/svxdllapi.h>
  24 #include <memory>
  25
  26 class ImpPathForDragAndCreate;
  27
  28 // Helper class SdrPathObjGeoData
  29 // used for undo/redo
  30
  31 class SdrPathObjGeoData final : public SdrTextObjGeoData
  32 {
  33 public:
  34     basegfx::B2DPolyPolygon maPathPolygon;
  35     SdrObjKind meKind;
  36
  37     SdrPathObjGeoData();
  38     virtual ~SdrPathObjGeoData() override;
  39 };
  40
  41
  42 class SVXCORE_DLLPUBLIC SdrPathObj final : public SdrTextObj
  43 {
  44 private:
  45     friend class ImpPathForDragAndCreate;
  46
  47     virtual std::unique_ptr<sdr::contact::ViewContact> CreateObjectSpecificViewContact() override;
  48
  49     basegfx::B2DPolyPolygon maPathPolygon;
  50     SdrObjKind meKind;
  51     bool mbHandleScale = false;
  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     // Copy constructor
  71     SdrPathObj(SdrModel& rSdrModel, SdrPathObj const & rSource);
  72     SdrPathObj(
  73         SdrModel& rSdrModel,
  74         SdrObjKind eNewKind,
  75         basegfx::B2DPolyPolygon aPathPoly);
  76
  77     virtual void TakeObjInfo(SdrObjTransformInfoRec& rInfo) const override;
  78     virtual SdrObjKind GetObjIdentifier() const override;
  79     virtual void TakeUnrotatedSnapRect(tools::Rectangle& rRect) const override;
  80     virtual rtl::Reference<SdrObject> CloneSdrObject(SdrModel& rTargetModel) const override;
  81
  82     virtual OUString TakeObjNameSingul() const override;
  83     virtual OUString TakeObjNamePlural() const override;
  84     virtual basegfx::B2DPolyPolygon TakeXorPoly() const override;
  85     virtual void RecalcSnapRect() override;
  86     virtual void NbcSetSnapRect(const tools::Rectangle& rRect) override;
  87     virtual sal_uInt32 GetHdlCount() const override;
  88     virtual void AddToHdlList(SdrHdlList& rHdlList) const override;
  89     virtual void AddToPlusHdlList(SdrHdlList& rHdlList, SdrHdl& rHdl) const override;
  90     virtual const tools::Rectangle& GetLogicRect() 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, Degree100 nAngle, double fSin, double fCos) override;
 114     virtual void NbcMirror(const Point& rRefPnt1, const Point& rRefPnt2) override;
 115     virtual void NbcShear(const Point& rRefPnt, Degree100 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     rtl::Reference<SdrPathObj> RipPoint(sal_uInt32 nHdlNum, sal_uInt32& rNewPt0Index);
 131
 132 private:
 133     virtual std::unique_ptr<SdrObjGeoData> NewGeoData() const override;
 134     virtual void SaveGeoData(SdrObjGeoData& rGeo) const override;
 135     virtual void RestoreGeoData(const SdrObjGeoData& rGeo) override;
 136
 137 public:
 138     virtual rtl::Reference<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==SdrObjKind::Polygon || meKind==SdrObjKind::PathPoly || meKind==SdrObjKind::PathFill || meKind==SdrObjKind::FreehandFill; }
 147     bool IsLine() const { return meKind==SdrObjKind::PolyLine || meKind==SdrObjKind::PathPolyLine || meKind==SdrObjKind::PathLine || meKind==SdrObjKind::FreehandLine || meKind==SdrObjKind::Line; }
 148     bool IsBezier() const { return meKind==SdrObjKind::PathLine || meKind==SdrObjKind::PathFill; }
 149
 150     // close/open path
 151     // if opening, move end point by "nOpenDistance"
 152     void ToggleClosed(); // long nOpenDistance);
 153
 154     // transformation interface for StarOfficeAPI. This implements support for
 155     // homogen 3x3 matrices containing the transformation of the SdrObject. At the
 156     // moment it contains a shearX, rotation and translation, but for setting all linear
 157     // transforms like Scale, ShearX, ShearY, Rotate and Translate are supported.
 158     //
 159     // gets base transformation and rectangle of object. If it's an SdrPathObj it fills the PolyPolygon
 160     // with the base geometry and returns TRUE. Otherwise it returns FALSE.
 161     virtual bool TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegfx::B2DPolyPolygon& rPolyPolygon) const override;
 162     // sets the base geometry of the object using infos contained in the homogen 3x3 matrix.
 163     // If it's an SdrPathObj it will use the provided geometry information. The Polygon has
 164     // to use (0,0) as upper left and will be scaled to the given size in the matrix.
 165     virtual void TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& rPolyPolygon) override;
 166
 167     /**
 168      * Scaling is ignored from the transform matrix by default, to not break compatibility. One can
 169      * opt in to handle scaling if matching ODF behavior is more important.
 170      */
 171     void SetHandleScale(bool bHandleScale);
 172 };
 173
 174 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */