include/svx/svdxcgv.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.
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   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/svdedxv.hxx>
  23
  24 #include <vcl/gdimtf.hxx>
  25 #include <svx/svxdllapi.h>
  26
  27 class SVXCORE_DLLPUBLIC SdrExchangeView : public SdrObjEditView
  28 {
  29     friend class SdrPageView;
  30
  31 protected:
  32
  33     SAL_DLLPRIVATE void ImpGetPasteObjList(Point& rPos, SdrObjList*& rpLst);
  34     SAL_DLLPRIVATE void ImpPasteObject(SdrObject* pObj, SdrObjList& rLst, const Point& rCenter, const Size& rSiz, const MapMode& rMap, SdrInsertFlags nOptions);
  35     SAL_DLLPRIVATE bool ImpGetPasteLayer(const SdrObjList* pObjList, SdrLayerID& rLayer) const;
  36
  37     // Returns true if rPt has changed
  38     SAL_DLLPRIVATE bool ImpLimitToWorkArea(Point& rPt) const;
  39
  40 protected:
  41     // #i71538# make constructors of SdrView sub-components protected to avoid incomplete incarnations which may get casted to SdrView
  42     SAL_DLLPRIVATE SdrExchangeView(
  43         SdrModel& rSdrModel,
  44         OutputDevice* pOut);
  45
  46 public:
  47     // Output all marked objects on the specified OutputDevice
  48     ::std::vector< SdrObject* > GetMarkedObjects() const;
  49     virtual void DrawMarkedObj(OutputDevice& rOut) const;
  50
  51     // E.g. for Clipboard, Drag'n'Drop, ...
  52     // Add all marked objects to a metafile.
  53     // FIXME: This is known to be somewhat buggy still (Offset...,
  54     // foreign graphics objects (SdrGrafObj), virtual object
  55     // copies (SdrVirtObj) with anchor position <>(0,0)).
  56     GDIMetaFile GetMarkedObjMetaFile(bool bNoVDevIfOneMtfMarked = false) const;
  57
  58     // Draw all marked objects onto a bitmap, with the display's color depth
  59     // and resolution
  60     BitmapEx GetMarkedObjBitmapEx(bool bNoVDevIfOneBmpMarked = false, const sal_uInt32 nMaximumQuadraticPixels = 500000, const std::optional<Size>& rTargetDPI = std::nullopt) const;
  61
  62     // Copy all marked objects to a new model, consisting of exactly one page,
  63     // with the flag PageNotValid set. This means, that only the page's objects
  64     // are valid and not the page itself (page size, margins).
  65     // The new model is created on the free store and passed to the caller of
  66     // this method, which is responsible to dispose it later on.
  67     //
  68     // When inserting the marked objects into the one page of the new model,
  69     // the page-local layer is merged. If there's no more room left for
  70     // additional page-local layers, the corresponding objects are assigned
  71     // the default layer (layer 0, document-global standard layer).
  72     virtual std::unique_ptr<SdrModel> CreateMarkedObjModel() const;
  73
  74     Graphic         GetAllMarkedGraphic() const;
  75
  76     /** Generate a Graphic for the given draw object
  77
  78         @param rSdrObject
  79         The object (can also be a group object) to retrieve a Graphic
  80         for.
  81
  82         @param bSVG
  83         tdf#155479 need to know it's SVG export, default is false
  84
  85
  86         @return a graphical representation of the given object, as it
  87         appears on screen (e.g. with rotation, if any, applied).
  88      */
  89     static Graphic GetObjGraphic(const SdrObject& rSdrObject, bool bSVG = false);
  90
  91     // The new Draw objects are marked for all paste methods.
  92     // If bAddMark is true, the new Draw objects are added to an existing
  93     // selection, which is meant for Drag'n'Drop with multiple items.
  94     //
  95     // The methods with a point parameter insert objects centered at that
  96     // position, all others are centered at the 1st OutputDevice of the View.
  97     //
  98     // If pPg is set, the objects are inserted at that page. The positioning
  99     // (rPos or alignment) are not relative to the View, but to the Page.
 100     //
 101     // Note: SdrObjList is the base class of SdrPage.
 102     // All methods return true, if the objects have been successfully created
 103     // and inserted.
 104     // If pLst = false and no TextEdit active, we can rely on the fact, that
 105     // it is marked at the View. Or else the marking only happens if the pLst
 106     // is also shown at the View at the moment.
 107     //
 108     // Valid values for nOptions are SDRINSERT_DONTMARK and SDRINSERT_ADDMARK
 109     // (@see svdedtv.hxx).
 110     virtual bool Paste(
 111         const SdrModel& rMod, const Point& rPos, SdrObjList* pLst, SdrInsertFlags nOptions);
 112
 113     bool Paste(const OUString& rStr, const Point& rPos, SdrObjList* pLst, SdrInsertFlags nOptions);
 114     bool Paste(SvStream& rInput, EETextFormat eFormat, const Point& rPos, SdrObjList* pLst, SdrInsertFlags nOptions);
 115 };
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */