174 lines
6 KiB
C++
174 lines
6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <svx/sdrhittesthelper.hxx>
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#include <svx/obj3d.hxx>
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#include <svx/helperhittest3d.hxx>
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#include <svx/sdrpagewindow.hxx>
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#include <svx/sdr/contact/viewobjectcontact.hxx>
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#include <svx/sdr/contact/displayinfo.hxx>
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#include <svx/sdr/contact/objectcontact.hxx>
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#include <drawinglayer/processor2d/hittestprocessor2d.hxx>
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#include <svx/svdpagv.hxx>
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#include <svx/sdr/contact/viewcontact.hxx>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// #i101872# new Object HitTest as View-tooling
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SdrObject* SdrObjectPrimitiveHit(
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const SdrObject& rObject,
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const Point& rPnt,
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sal_uInt16 nTol,
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const SdrPageView& rSdrPageView,
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const SetOfByte* pVisiLayer,
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bool bTextOnly)
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{
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SdrObject* pResult = 0;
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if(rObject.GetSubList() && rObject.GetSubList()->GetObjCount())
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{
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// group or scene with content. Single 3D objects also have a
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// true == rObject.GetSubList(), but no content
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pResult = SdrObjListPrimitiveHit(*rObject.GetSubList(), rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
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}
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else
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{
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if( rObject.IsVisible() && (!pVisiLayer || pVisiLayer->IsSet(rObject.GetLayer())))
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{
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// single object, 3d object, empty scene or empty group. Check if
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// it's a single 3D object
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const E3dCompoundObject* pE3dCompoundObject = dynamic_cast< const E3dCompoundObject* >(&rObject);
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if(pE3dCompoundObject)
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{
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const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
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if(checkHitSingle3DObject(aHitPosition, *pE3dCompoundObject))
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{
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pResult = const_cast< E3dCompoundObject* >(pE3dCompoundObject);
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}
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}
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else
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{
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// not a single 3D object; Check in first PageWindow using prmitives (only SC
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// with split views uses multiple PageWindows nowadays)
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if(rSdrPageView.PageWindowCount())
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{
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const double fLogicTolerance(nTol);
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const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
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const sdr::contact::ViewObjectContact& rVOC = rObject.GetViewContact().GetViewObjectContact(
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rSdrPageView.GetPageWindow(0)->GetObjectContact());
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if(ViewObjectContactPrimitiveHit(rVOC, aHitPosition, fLogicTolerance, bTextOnly))
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{
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pResult = const_cast< SdrObject* >(&rObject);
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}
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}
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}
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}
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}
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return pResult;
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}
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/////////////////////////////////////////////////////////////////////
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SdrObject* SdrObjListPrimitiveHit(
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const SdrObjList& rList,
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const Point& rPnt,
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sal_uInt16 nTol,
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const SdrPageView& rSdrPageView,
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const SetOfByte* pVisiLayer,
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bool bTextOnly)
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{
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sal_uInt32 nObjNum(rList.GetObjCount());
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SdrObject* pRetval = 0;
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while(!pRetval && nObjNum > 0)
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{
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nObjNum--;
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SdrObject* pObj = rList.GetObj(nObjNum);
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pRetval = SdrObjectPrimitiveHit(*pObj, rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
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}
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return pRetval;
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}
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/////////////////////////////////////////////////////////////////////
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bool ViewObjectContactPrimitiveHit(
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const sdr::contact::ViewObjectContact& rVOC,
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const basegfx::B2DPoint& rHitPosition,
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double fLogicHitTolerance,
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bool bTextOnly)
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{
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basegfx::B2DRange aObjectRange(rVOC.getObjectRange());
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if(!aObjectRange.isEmpty())
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{
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// first do a rough B2DRange based HitTest; do not forget to
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// include the HitTolerance if given
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if(basegfx::fTools::more(fLogicHitTolerance, 0.0))
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{
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aObjectRange.grow(fLogicHitTolerance);
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}
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if(aObjectRange.isInside(rHitPosition))
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{
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// get primitive sequence
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sdr::contact::DisplayInfo aDisplayInfo;
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const drawinglayer::primitive2d::Primitive2DSequence& rSequence(rVOC.getPrimitive2DSequence(aDisplayInfo));
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if(rSequence.hasElements())
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{
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// create a HitTest processor
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const drawinglayer::geometry::ViewInformation2D& rViewInformation2D = rVOC.GetObjectContact().getViewInformation2D();
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drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
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rViewInformation2D,
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rHitPosition,
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fLogicHitTolerance,
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bTextOnly);
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// feed it with the primitives
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aHitTestProcessor2D.process(rSequence);
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// deliver result
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return aHitTestProcessor2D.getHit();
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}
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}
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}
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return false;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// eof
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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