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 <svx/sdr/overlay/overlayobjectlist.hxx>
      21             : #include <svx/sdr/overlay/overlaymanager.hxx>
      22             : #include <vcl/outdev.hxx>
      23             : #include <basegfx/matrix/b2dhommatrix.hxx>
      24             : #include <tools/gen.hxx>
      25             : 
      26             : // for SOLARIS compiler include of algorithm part of _STL is necessary to
      27             : // get access to basic algos like ::std::find
      28             : #include <algorithm>
      29             : 
      30             : #include <drawinglayer/processor2d/hittestprocessor2d.hxx>
      31             : 
      32             : 
      33             : 
      34             : namespace sdr
      35             : {
      36             :     namespace overlay
      37             :     {
      38           0 :         OverlayObjectList::~OverlayObjectList()
      39             :         {
      40           0 :             clear();
      41           0 :         }
      42             : 
      43           0 :         void OverlayObjectList::clear()
      44             :         {
      45           0 :             OverlayObjectVector::iterator aStart(maVector.begin());
      46             : 
      47           0 :             for(; aStart != maVector.end(); ++aStart)
      48             :             {
      49           0 :                 ::sdr::overlay::OverlayObject* pCandidate = *aStart;
      50             : 
      51           0 :                 if(pCandidate->getOverlayManager())
      52             :                 {
      53           0 :                     pCandidate->getOverlayManager()->remove(*pCandidate);
      54             :                 }
      55             : 
      56           0 :                 delete pCandidate;
      57             :             }
      58             : 
      59           0 :             maVector.clear();
      60           0 :         }
      61             : 
      62           0 :         bool OverlayObjectList::isHitLogic(const basegfx::B2DPoint& rLogicPosition, double fLogicTolerance) const
      63             :         {
      64           0 :             if(!maVector.empty())
      65             :             {
      66           0 :                 OverlayObjectVector::const_iterator aStart(maVector.begin());
      67           0 :                 sdr::overlay::OverlayObject* pFirst = *aStart;
      68             :                 OSL_ENSURE(pFirst, "Corrupt OverlayObjectList (!)");
      69           0 :                 OverlayManager* pManager = pFirst->getOverlayManager();
      70             : 
      71           0 :                 if(pManager)
      72             :                 {
      73           0 :                     if(0.0 == fLogicTolerance)
      74             :                     {
      75           0 :                         const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(
      76           0 :                             Size(DEFAULT_VALUE_FOR_HITTEST_PIXEL, DEFAULT_VALUE_FOR_HITTEST_PIXEL)));
      77           0 :                         fLogicTolerance = aSizeLogic.Width();
      78             :                     }
      79             : 
      80           0 :                     const drawinglayer::geometry::ViewInformation2D aViewInformation2D(pManager->getCurrentViewInformation2D());
      81             :                     drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
      82             :                         aViewInformation2D,
      83             :                         rLogicPosition,
      84             :                         fLogicTolerance,
      85           0 :                         false);
      86             : 
      87           0 :                     for(; aStart != maVector.end(); ++aStart)
      88             :                     {
      89           0 :                         sdr::overlay::OverlayObject* pCandidate = *aStart;
      90             :                         OSL_ENSURE(pCandidate, "Corrupt OverlayObjectList (!)");
      91             : 
      92           0 :                         if(pCandidate->isHittable())
      93             :                         {
      94           0 :                             const drawinglayer::primitive2d::Primitive2DSequence& rSequence = pCandidate->getOverlayObjectPrimitive2DSequence();
      95             : 
      96           0 :                             if(rSequence.hasElements())
      97             :                             {
      98           0 :                                 aHitTestProcessor2D.process(rSequence);
      99             : 
     100           0 :                                 if(aHitTestProcessor2D.getHit())
     101             :                                 {
     102           0 :                                     return true;
     103             :                                 }
     104           0 :                             }
     105             :                         }
     106           0 :                     }
     107             :                 }
     108             :             }
     109             : 
     110           0 :             return false;
     111             :         }
     112             : 
     113           0 :         bool OverlayObjectList::isHitPixel(const Point& rDiscretePosition, sal_uInt32 nDiscreteTolerance) const
     114             :         {
     115           0 :             if(!maVector.empty())
     116             :             {
     117           0 :                 OverlayObjectVector::const_iterator aStart(maVector.begin());
     118           0 :                 sdr::overlay::OverlayObject* pCandidate = *aStart;
     119           0 :                 OverlayManager* pManager = pCandidate->getOverlayManager();
     120             : 
     121           0 :                 if(pManager)
     122             :                 {
     123           0 :                     const Point aPosLogic(pManager->getOutputDevice().PixelToLogic(rDiscretePosition));
     124           0 :                     const basegfx::B2DPoint aPosition(aPosLogic.X(), aPosLogic.Y());
     125             : 
     126           0 :                     if(nDiscreteTolerance)
     127             :                     {
     128           0 :                         const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(Size(nDiscreteTolerance, nDiscreteTolerance)));
     129           0 :                         return isHitLogic(aPosition, (double)aSizeLogic.Width());
     130             :                     }
     131             :                     else
     132             :                     {
     133           0 :                         return isHitLogic(aPosition);
     134           0 :                     }
     135             :                 }
     136             :             }
     137             : 
     138           0 :             return false;
     139             :         }
     140             : 
     141           0 :         basegfx::B2DRange OverlayObjectList::getBaseRange() const
     142             :         {
     143           0 :             basegfx::B2DRange aRetval;
     144             : 
     145           0 :             if(!maVector.empty())
     146             :             {
     147           0 :                 OverlayObjectVector::const_iterator aStart(maVector.begin());
     148             : 
     149           0 :                 for(; aStart != maVector.end(); ++aStart)
     150             :                 {
     151           0 :                     ::sdr::overlay::OverlayObject* pCandidate = *aStart;
     152           0 :                     aRetval.expand(pCandidate->getBaseRange());
     153             :                 }
     154             :             }
     155             : 
     156           0 :             return aRetval;
     157             :         }
     158             :     } // end of namespace overlay
     159             : } // end of namespace sdr
     160             : 
     161             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */