LCOV - code coverage report
Current view: top level - libreoffice/svx/source/sdr/contact - viewcontactofe3d.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 56 0.0 %
Date: 2012-12-27 Functions: 0 9 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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/viewcontactofe3d.hxx>
      22             : #include <svx/sdr/contact/viewobjectcontactofe3d.hxx>
      23             : #include <svx/obj3d.hxx>
      24             : #include <drawinglayer/primitive2d/embedded3dprimitive2d.hxx>
      25             : #include <svx/sdr/contact/viewcontactofe3dscene.hxx>
      26             : #include <svx/scene3d.hxx>
      27             : #include <drawinglayer/primitive3d/transformprimitive3d.hxx>
      28             : #include <drawinglayer/attribute/sdrsceneattribute3d.hxx>
      29             : #include <drawinglayer/attribute/sdrlightingattribute3d.hxx>
      30             : #include <drawinglayer/attribute/sdrlightattribute3d.hxx>
      31             : #include <drawinglayer/attribute/sdrlineattribute.hxx>
      32             : 
      33             : //////////////////////////////////////////////////////////////////////////////
      34             : 
      35             : namespace
      36             : {
      37           0 :     const sdr::contact::ViewContactOfE3dScene* tryToFindVCOfE3DScene(
      38             :         const sdr::contact::ViewContact& rCandidate,
      39             :         basegfx::B3DHomMatrix& o_rInBetweenObjectTransform)
      40             :     {
      41             :         const sdr::contact::ViewContactOfE3dScene* pSceneParent =
      42           0 :             dynamic_cast< const sdr::contact::ViewContactOfE3dScene* >(rCandidate.GetParentContact());
      43             : 
      44           0 :         if(pSceneParent)
      45             :         {
      46             :             // each 3d object (including in-between scenes) should have a scene as parent
      47             :             const sdr::contact::ViewContactOfE3dScene* pSceneParentParent =
      48           0 :                 dynamic_cast< const sdr::contact::ViewContactOfE3dScene* >(pSceneParent->GetParentContact());
      49             : 
      50           0 :             if(pSceneParentParent)
      51             :             {
      52             :                 // the parent scene of rCandidate is a in-between scene, call recursively and collect
      53             :                 // the in-between scene's object transformation part in o_rInBetweenObjectTransform
      54           0 :                 const basegfx::B3DHomMatrix& rSceneParentTransform = pSceneParent->GetE3dScene().GetTransform();
      55           0 :                 o_rInBetweenObjectTransform = rSceneParentTransform * o_rInBetweenObjectTransform;
      56           0 :                 return tryToFindVCOfE3DScene(*pSceneParent, o_rInBetweenObjectTransform);
      57             :             }
      58             :             else
      59             :             {
      60             :                 // the parent scene is the outmost scene
      61           0 :                 return pSceneParent;
      62             :             }
      63             :         }
      64             : 
      65             :         // object hierarchy structure is incorrect; no result
      66           0 :         return 0;
      67             :     }
      68             : } // end of anonymous namespace
      69             : 
      70             : //////////////////////////////////////////////////////////////////////////////
      71             : 
      72             : namespace sdr
      73             : {
      74             :     namespace contact
      75             :     {
      76           0 :         drawinglayer::primitive2d::Primitive2DSequence ViewContactOfE3d::impCreateWithGivenPrimitive3DSequence(
      77             :             const drawinglayer::primitive3d::Primitive3DSequence& rxContent3D) const
      78             :         {
      79           0 :             drawinglayer::primitive2d::Primitive2DSequence xRetval;
      80             : 
      81           0 :             if(rxContent3D.hasElements())
      82             :             {
      83             :                 // try to get the outmost ViewObjectContactOfE3dScene for this single 3d object,
      84             :                 // the ones on the way there are grouping scenes. Collect the in-between scene's
      85             :                 // transformations to build a correct object transformation for the embedded
      86             :                 // object
      87           0 :                 basegfx::B3DHomMatrix aInBetweenObjectTransform;
      88           0 :                 const ViewContactOfE3dScene* pVCOfE3DScene = tryToFindVCOfE3DScene(*this, aInBetweenObjectTransform);
      89             : 
      90           0 :                 if(pVCOfE3DScene)
      91             :                 {
      92           0 :                     basegfx::B3DVector aLightNormal;
      93           0 :                     const double fShadowSlant(pVCOfE3DScene->getSdrSceneAttribute().getShadowSlant());
      94           0 :                     const basegfx::B3DRange& rAllContentRange = pVCOfE3DScene->getAllContentRange3D();
      95           0 :                     drawinglayer::geometry::ViewInformation3D aViewInformation3D(pVCOfE3DScene->getViewInformation3D());
      96             : 
      97           0 :                     if(pVCOfE3DScene->getSdrLightingAttribute().getLightVector().size())
      98             :                     {
      99             :                         // get light normal from first light and normalize
     100           0 :                         aLightNormal = pVCOfE3DScene->getSdrLightingAttribute().getLightVector()[0].getDirection();
     101           0 :                         aLightNormal.normalize();
     102             :                     }
     103             : 
     104           0 :                     if(!aInBetweenObjectTransform.isIdentity())
     105             :                     {
     106             :                         // if aInBetweenObjectTransform is used, create combined ViewInformation3D which
     107             :                         // contains the correct object transformation for the embedded 3d object
     108             :                         aViewInformation3D = drawinglayer::geometry::ViewInformation3D(
     109           0 :                             aViewInformation3D.getObjectTransformation() * aInBetweenObjectTransform,
     110           0 :                             aViewInformation3D.getOrientation(),
     111           0 :                             aViewInformation3D.getProjection(),
     112           0 :                             aViewInformation3D.getDeviceToView(),
     113             :                             aViewInformation3D.getViewTime(),
     114           0 :                             aViewInformation3D.getExtendedInformationSequence());
     115             :                     }
     116             : 
     117             :                     // create embedded 2d primitive and add. LightNormal and ShadowSlant are needed for evtl.
     118             :                     // 3D shadow extraction for correct B2DRange calculation (shadow is part of the object)
     119             :                     const drawinglayer::primitive2d::Primitive2DReference xReference(
     120             :                         new drawinglayer::primitive2d::Embedded3DPrimitive2D(
     121             :                             rxContent3D,
     122             :                             pVCOfE3DScene->getObjectTransformation(),
     123             :                             aViewInformation3D,
     124             :                             aLightNormal,
     125             :                             fShadowSlant,
     126           0 :                             rAllContentRange));
     127             : 
     128           0 :                     xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
     129           0 :                 }
     130             :             }
     131             : 
     132           0 :             return xRetval;
     133             :         }
     134             : 
     135           0 :         ViewContactOfE3d::ViewContactOfE3d(E3dObject& rSdrObject)
     136           0 :         :   ViewContactOfSdrObj(rSdrObject)
     137             :         {
     138           0 :         }
     139             : 
     140           0 :         ViewContactOfE3d::~ViewContactOfE3d()
     141             :         {
     142           0 :         }
     143             : 
     144           0 :         drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3d::getVIP3DSWithoutObjectTransform() const
     145             :         {
     146             :             // local up-to-date checks. Create new list and compare.
     147           0 :             drawinglayer::primitive3d::Primitive3DSequence xNew(createViewIndependentPrimitive3DSequence());
     148             : 
     149           0 :             if(!drawinglayer::primitive3d::arePrimitive3DSequencesEqual(mxViewIndependentPrimitive3DSequence, xNew))
     150             :             {
     151             :                 // has changed, copy content
     152           0 :                 const_cast< ViewContactOfE3d* >(this)->mxViewIndependentPrimitive3DSequence = xNew;
     153             :             }
     154             : 
     155             :             // return current Primitive2DSequence
     156           0 :             return mxViewIndependentPrimitive3DSequence;
     157             :         }
     158             : 
     159           0 :         drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3d::getViewIndependentPrimitive3DSequence() const
     160             :         {
     161             :             // get sequence without object transform
     162           0 :             drawinglayer::primitive3d::Primitive3DSequence xRetval(getVIP3DSWithoutObjectTransform());
     163             : 
     164           0 :             if(xRetval.hasElements())
     165             :             {
     166             :                 // add object transform if it's used
     167           0 :                 const basegfx::B3DHomMatrix& rObjectTransform(GetE3dObject().GetTransform());
     168             : 
     169           0 :                 if(!rObjectTransform.isIdentity())
     170             :                 {
     171             :                     const drawinglayer::primitive3d::Primitive3DReference xReference(
     172             :                         new drawinglayer::primitive3d::TransformPrimitive3D(
     173             :                             rObjectTransform,
     174           0 :                             xRetval));
     175             : 
     176           0 :                     xRetval = drawinglayer::primitive3d::Primitive3DSequence(&xReference, 1);
     177             :                 }
     178             :             }
     179             : 
     180             :             // return current Primitive2DSequence
     181           0 :             return xRetval;
     182             :         }
     183             : 
     184           0 :         drawinglayer::primitive2d::Primitive2DSequence ViewContactOfE3d::createViewIndependentPrimitive2DSequence() const
     185             :         {
     186             :             // also need to create a 2D embedding when the view-independent part is requested,
     187             :             // see view-dependent part in ViewObjectContactOfE3d::createPrimitive2DSequence
     188             :             // get 3d primitive vector, isPrimitiveVisible() is done in 3d creator
     189           0 :             return impCreateWithGivenPrimitive3DSequence(getViewIndependentPrimitive3DSequence());
     190             :         }
     191             : 
     192           0 :         ViewObjectContact& ViewContactOfE3d::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
     193             :         {
     194           0 :             ViewObjectContact* pRetval = new ViewObjectContactOfE3d(rObjectContact, *this);
     195             :             DBG_ASSERT(pRetval, "ViewContactOfE3d::CreateObjectSpecificViewObjectContact() failed (!)");
     196             : 
     197           0 :             return *pRetval;
     198             :         }
     199             :     } // end of namespace contact
     200             : } // end of namespace sdr
     201             : 
     202             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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