svx/source/sdr/contact/viewobjectcontactofe3dscene.cxx

   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
  21 #include <svx/sdr/contact/viewobjectcontactofe3dscene.hxx>
  22 #include <svx/sdr/contact/displayinfo.hxx>
  23 #include <svx/sdr/contact/objectcontact.hxx>
  24 #include <svx/sdr/contact/viewcontactofe3dscene.hxx>
  25 #include <basegfx/matrix/b3dhommatrix.hxx>
  26 #include <drawinglayer/primitive3d/transformprimitive3d.hxx>
  27 #include <basegfx/color/bcolormodifier.hxx>
  28 #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
  29 #include <svx/sdr/contact/viewobjectcontactofe3d.hxx>
  30 #include <basegfx/tools/canvastools.hxx>
  31
  32 //////////////////////////////////////////////////////////////////////////////
  33
  34 using namespace com::sun::star;
  35
  36 //////////////////////////////////////////////////////////////////////////////
  37
  38 namespace
  39 {
  40     // Helper method to recursively travel the DrawHierarchy for 3D objects contained in
  41     // the 2D Scene. This will chreate all VOCs for the currenbt OC which are needed
  42     // for ActionChanged() functionality
  43     void impInternalSubHierarchyTraveller(const sdr::contact::ViewObjectContact& rVOC)
  44     {
  45         const sdr::contact::ViewContact& rVC = rVOC.GetViewContact();
  46         const sal_uInt32 nSubHierarchyCount(rVC.GetObjectCount());
  47
  48         for(sal_uInt32 a(0); a < nSubHierarchyCount; a++)
  49         {
  50             const sdr::contact::ViewObjectContact& rCandidate(rVC.GetViewContact(a).GetViewObjectContact(rVOC.GetObjectContact()));
  51             impInternalSubHierarchyTraveller(rCandidate);
  52         }
  53     }
  54 } // end of anonymous namespace
  55
  56 //////////////////////////////////////////////////////////////////////////////
  57
  58 namespace sdr
  59 {
  60     namespace contact
  61     {
  62         ViewObjectContactOfE3dScene::ViewObjectContactOfE3dScene(ObjectContact& rObjectContact, ViewContact& rViewContact)
  63         :   ViewObjectContactOfSdrObj(rObjectContact, rViewContact)
  64         {
  65         }
  66
  67         ViewObjectContactOfE3dScene::~ViewObjectContactOfE3dScene()
  68         {
  69         }
  70
  71         drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfE3dScene::createPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const
  72         {
  73             // handle ghosted, else the whole 3d group will be encapsulated to a ghosted primitive set (see below)
  74             const bool bHandleGhostedDisplay(GetObjectContact().DoVisualizeEnteredGroup() && !GetObjectContact().isOutputToPrinter() && rDisplayInfo.IsGhostedDrawModeActive());
  75             const bool bIsActiveVC(bHandleGhostedDisplay && GetObjectContact().getActiveViewContact() == &GetViewContact());
  76
  77             if(bIsActiveVC)
  78             {
  79                 // switch off ghosted, display contents normal
  80                 const_cast< DisplayInfo& >(rDisplayInfo).ClearGhostedDrawMode();
  81             }
  82
  83             // create 2d primitive with content, use layer visibility test
  84             // this uses no ghosted mode, so scenes in scenes and entering them will not
  85             // support ghosted for now. This is no problem currently but would need to be
  86             // added when sub-groups in 3d will be added one day.
  87             const ViewContactOfE3dScene& rViewContact = dynamic_cast< ViewContactOfE3dScene& >(GetViewContact());
  88             const SetOfByte& rVisibleLayers = rDisplayInfo.GetProcessLayers();
  89             drawinglayer::primitive2d::Primitive2DSequence xRetval(rViewContact.createScenePrimitive2DSequence(&rVisibleLayers));
  90
  91             if(xRetval.hasElements())
  92             {
  93                 // allow evtl. embedding in object-specific infos, e.g. Name, Title, Description
  94                 xRetval = rViewContact.embedToObjectSpecificInformation(xRetval);
  95
  96                 // handle GluePoint
  97                 if(!GetObjectContact().isOutputToPrinter() && GetObjectContact().AreGluePointsVisible())
  98                 {
  99                     const drawinglayer::primitive2d::Primitive2DSequence xGlue(GetViewContact().createGluePointPrimitive2DSequence());
 100
 101                     if(xGlue.hasElements())
 102                     {
 103                         drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, xGlue);
 104                     }
 105                 }
 106
 107                 // handle ghosted
 108                 if(isPrimitiveGhosted(rDisplayInfo))
 109                 {
 110                     const ::basegfx::BColor aRGBWhite(1.0, 1.0, 1.0);
 111                     const ::basegfx::BColorModifier aBColorModifier(aRGBWhite, 0.5, ::basegfx::BCOLORMODIFYMODE_INTERPOLATE);
 112                     const drawinglayer::primitive2d::Primitive2DReference xReference(new drawinglayer::primitive2d::ModifiedColorPrimitive2D(xRetval, aBColorModifier));
 113
 114                     xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
 115                 }
 116             }
 117
 118             if(bIsActiveVC)
 119             {
 120                 // set back, display ghosted again
 121                 const_cast< DisplayInfo& >(rDisplayInfo).SetGhostedDrawMode();
 122             }
 123
 124             return xRetval;
 125         }
 126
 127         drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfE3dScene::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
 128         {
 129             // To get the VOCs for the contained 3D objects created to get the correct
 130             // Draw hierarchy and ActionChanged() working properly, travel the DrawHierarchy
 131             // using a local tooling method
 132             impInternalSubHierarchyTraveller(*this);
 133
 134             // call parent
 135             return ViewObjectContactOfSdrObj::getPrimitive2DSequenceHierarchy(rDisplayInfo);
 136         }
 137     } // end of namespace contact
 138 } // end of namespace sdr
 139
 140 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */