LCOV - code coverage report
Current view: top level - libreoffice/drawinglayer/source/processor3d - cutfindprocessor3d.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 71 0.0 %
Date: 2012-12-27 Functions: 0 2 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             : #include <drawinglayer/processor3d/cutfindprocessor3d.hxx>
      21             : #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
      22             : #include <drawinglayer/primitive3d/transformprimitive3d.hxx>
      23             : #include <drawinglayer/primitive3d/hatchtextureprimitive3d.hxx>
      24             : #include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx>
      25             : #include <basegfx/polygon/b3dpolygon.hxx>
      26             : #include <basegfx/polygon/b3dpolygontools.hxx>
      27             : #include <basegfx/polygon/b3dpolypolygontools.hxx>
      28             : #include <drawinglayer/primitive3d/hiddengeometryprimitive3d.hxx>
      29             : 
      30             : //////////////////////////////////////////////////////////////////////////////
      31             : 
      32             : namespace drawinglayer
      33             : {
      34             :     namespace processor3d
      35             :     {
      36           0 :         CutFindProcessor::CutFindProcessor(const geometry::ViewInformation3D& rViewInformation,
      37             :             const basegfx::B3DPoint& rFront,
      38             :             const basegfx::B3DPoint& rBack,
      39             :             bool bAnyHit)
      40             :         :   BaseProcessor3D(rViewInformation),
      41             :             maFront(rFront),
      42             :             maBack(rBack),
      43             :             maResult(),
      44             :             maCombinedTransform(),
      45             :             mbAnyHit(bAnyHit),
      46           0 :             mbUseInvisiblePrimitiveContent(true)
      47             :         {
      48           0 :         }
      49             : 
      50           0 :         void CutFindProcessor::processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate)
      51             :         {
      52           0 :             if(getAnyHit() && maResult.size())
      53             :             {
      54             :                 // stop processing as soon as a hit was recognized
      55           0 :                 return;
      56             :             }
      57             : 
      58             :             // it is a BasePrimitive3D implementation, use getPrimitive3DID() call for switch
      59           0 :             switch(rCandidate.getPrimitive3DID())
      60             :             {
      61             :                 case PRIMITIVE3D_ID_TRANSFORMPRIMITIVE3D :
      62             :                 {
      63             :                     // transform group.
      64           0 :                     const primitive3d::TransformPrimitive3D& rPrimitive = static_cast< const primitive3d::TransformPrimitive3D& >(rCandidate);
      65             : 
      66             :                     // remember old and transform front, back to object coordinates
      67           0 :                     const basegfx::B3DPoint aLastFront(maFront);
      68           0 :                     const basegfx::B3DPoint aLastBack(maBack);
      69           0 :                     basegfx::B3DHomMatrix aInverseTrans(rPrimitive.getTransformation());
      70           0 :                     aInverseTrans.invert();
      71           0 :                     maFront *= aInverseTrans;
      72           0 :                     maBack *= aInverseTrans;
      73             : 
      74             :                     // remember current and create new transformation; add new object transform from right side
      75           0 :                     const geometry::ViewInformation3D aLastViewInformation3D(getViewInformation3D());
      76             :                     const geometry::ViewInformation3D aNewViewInformation3D(
      77           0 :                         aLastViewInformation3D.getObjectTransformation() * rPrimitive.getTransformation(),
      78           0 :                         aLastViewInformation3D.getOrientation(),
      79           0 :                         aLastViewInformation3D.getProjection(),
      80           0 :                         aLastViewInformation3D.getDeviceToView(),
      81             :                         aLastViewInformation3D.getViewTime(),
      82           0 :                         aLastViewInformation3D.getExtendedInformationSequence());
      83           0 :                     updateViewInformation(aNewViewInformation3D);
      84             : 
      85             :                     // #i102956# remember needed back-transform for found cuts (combine from right side)
      86           0 :                     const basegfx::B3DHomMatrix aLastCombinedTransform(maCombinedTransform);
      87           0 :                     maCombinedTransform = maCombinedTransform * rPrimitive.getTransformation();
      88             : 
      89             :                     // let break down
      90           0 :                     process(rPrimitive.getChildren());
      91             : 
      92             :                     // restore transformations and front, back
      93           0 :                     maCombinedTransform = aLastCombinedTransform;
      94           0 :                     updateViewInformation(aLastViewInformation3D);
      95           0 :                     maFront = aLastFront;
      96           0 :                     maBack = aLastBack;
      97           0 :                     break;
      98             :                 }
      99             :                 case PRIMITIVE3D_ID_POLYGONHAIRLINEPRIMITIVE3D :
     100             :                 {
     101             :                     // PolygonHairlinePrimitive3D, not used for hit test with planes, ignore. This
     102             :                     // means that also thick line expansion will not be hit-tested as
     103             :                     // PolyPolygonMaterialPrimitive3D
     104           0 :                     break;
     105             :                 }
     106             :                 case PRIMITIVE3D_ID_HATCHTEXTUREPRIMITIVE3D :
     107             :                 {
     108             :                     // #i97321#
     109             :                     // For HatchTexturePrimitive3D, do not use the decomposition since it will produce
     110             :                     // clipped hatch lines in 3D. It can be used when the hatch also has a filling, but for
     111             :                     // simplicity, just use the children which are the PolyPolygonMaterialPrimitive3D
     112             :                     // which define the hatched areas anyways; for HitTest this is more than adequate
     113           0 :                     const primitive3d::HatchTexturePrimitive3D& rPrimitive = static_cast< const primitive3d::HatchTexturePrimitive3D& >(rCandidate);
     114           0 :                     process(rPrimitive.getChildren());
     115           0 :                     break;
     116             :                 }
     117             :                 case PRIMITIVE3D_ID_HIDDENGEOMETRYPRIMITIVE3D :
     118             :                 {
     119             :                     // HiddenGeometryPrimitive3D; the default decomposition would return an empty seqence,
     120             :                     // so force this primitive to process it's children directly if the switch is set
     121             :                     // (which is the default). Else, ignore invisible content
     122           0 :                     const primitive3d::HiddenGeometryPrimitive3D& rHiddenGeometry(static_cast< const primitive3d::HiddenGeometryPrimitive3D& >(rCandidate));
     123           0 :                        const primitive3d::Primitive3DSequence& rChildren = rHiddenGeometry.getChildren();
     124             : 
     125           0 :                     if(rChildren.hasElements())
     126             :                     {
     127           0 :                         if(getUseInvisiblePrimitiveContent())
     128             :                         {
     129           0 :                             process(rChildren);
     130             :                         }
     131             :                     }
     132             : 
     133           0 :                     break;
     134             :                 }
     135             :                 case PRIMITIVE3D_ID_UNIFIEDTRANSPARENCETEXTUREPRIMITIVE3D :
     136             :                 {
     137           0 :                     const primitive3d::UnifiedTransparenceTexturePrimitive3D& rPrimitive = static_cast< const primitive3d::UnifiedTransparenceTexturePrimitive3D& >(rCandidate);
     138           0 :                        const primitive3d::Primitive3DSequence rChildren = rPrimitive.getChildren();
     139             : 
     140           0 :                     if(rChildren.getLength())
     141             :                     {
     142           0 :                         if(1.0 <= rPrimitive.getTransparence())
     143             :                         {
     144             :                             // not visible, but use for HitTest
     145           0 :                             if(getUseInvisiblePrimitiveContent())
     146             :                             {
     147           0 :                                    process(rChildren);
     148             :                             }
     149             :                         }
     150           0 :                         else if(rPrimitive.getTransparence() >= 0.0 && rPrimitive.getTransparence() < 1.0)
     151             :                         {
     152             :                             // visible; use content
     153           0 :                             process(rChildren);
     154             :                         }
     155             :                     }
     156             : 
     157           0 :                     break;
     158             :                 }
     159             :                 case PRIMITIVE3D_ID_POLYPOLYGONMATERIALPRIMITIVE3D :
     160             :                 {
     161             :                     // PolyPolygonMaterialPrimitive3D
     162           0 :                     const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive = static_cast< const primitive3d::PolyPolygonMaterialPrimitive3D& >(rCandidate);
     163             : 
     164           0 :                     if(!maFront.equal(maBack))
     165             :                     {
     166           0 :                            const basegfx::B3DPolyPolygon& rPolyPolygon = rPrimitive.getB3DPolyPolygon();
     167           0 :                         const sal_uInt32 nPolyCount(rPolyPolygon.count());
     168             : 
     169           0 :                         if(nPolyCount)
     170             :                         {
     171           0 :                                const basegfx::B3DPolygon aPolygon(rPolyPolygon.getB3DPolygon(0));
     172           0 :                             const sal_uInt32 nPointCount(aPolygon.count());
     173             : 
     174           0 :                             if(nPointCount > 2)
     175             :                             {
     176           0 :                                 const basegfx::B3DVector aPlaneNormal(aPolygon.getNormal());
     177             : 
     178           0 :                                 if(!aPlaneNormal.equalZero())
     179             :                                 {
     180           0 :                                     const basegfx::B3DPoint aPointOnPlane(aPolygon.getB3DPoint(0));
     181           0 :                                     double fCut(0.0);
     182             : 
     183           0 :                                     if(basegfx::tools::getCutBetweenLineAndPlane(aPlaneNormal, aPointOnPlane, maFront, maBack, fCut))
     184             :                                     {
     185           0 :                                         const basegfx::B3DPoint aCutPoint(basegfx::interpolate(maFront, maBack, fCut));
     186             : 
     187           0 :                                         if(basegfx::tools::isInside(rPolyPolygon, aCutPoint, false))
     188             :                                         {
     189             :                                             // #i102956# add result. Do not forget to do this in the coordinate
     190             :                                             // system the processor get started with, so use the collected
     191             :                                             // combined transformation from processed TransformPrimitive3D's
     192           0 :                                             maResult.push_back(maCombinedTransform * aCutPoint);
     193           0 :                                         }
     194           0 :                                     }
     195           0 :                                 }
     196           0 :                             }
     197             :                         }
     198             :                     }
     199             : 
     200           0 :                     break;
     201             :                 }
     202             :                 default :
     203             :                 {
     204             :                     // process recursively
     205           0 :                     process(rCandidate.get3DDecomposition(getViewInformation3D()));
     206           0 :                     break;
     207             :                 }
     208             :             }
     209             :         }
     210             :     } // end of namespace processor3d
     211             : } // end of namespace drawinglayer
     212             : 
     213             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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