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Diffstat (limited to 'svx/source/svdraw/sdrhittesthelper.cxx')
| -rw-r--r-- | svx/source/svdraw/sdrhittesthelper.cxx | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/svx/source/svdraw/sdrhittesthelper.cxx b/svx/source/svdraw/sdrhittesthelper.cxx new file mode 100644 index 000000000000..473c09b10f5d --- /dev/null +++ b/svx/source/svdraw/sdrhittesthelper.cxx @@ -0,0 +1,173 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svx.hxx" + +#include <svx/sdrhittesthelper.hxx> +#include <svx/obj3d.hxx> +#include <svx/helperhittest3d.hxx> +#include <svx/sdrpagewindow.hxx> +#include <svx/sdr/contact/viewobjectcontact.hxx> +#include <svx/sdr/contact/displayinfo.hxx> +#include <svx/sdr/contact/objectcontact.hxx> +#include <drawinglayer/processor2d/hittestprocessor2d.hxx> +#include <svx/svdpagv.hxx> +#include <svx/sdr/contact/viewcontact.hxx> + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// #i101872# new Object HitTest as View-tooling + +SdrObject* SdrObjectPrimitiveHit( + const SdrObject& rObject, + const Point& rPnt, + sal_uInt16 nTol, + const SdrPageView& rSdrPageView, + const SetOfByte* pVisiLayer, + bool bTextOnly) +{ + SdrObject* pResult = 0; + + if(rObject.GetSubList() && rObject.GetSubList()->GetObjCount()) + { + // group or scene with content. Single 3D objects also have a + // true == rObject.GetSubList(), but no content + pResult = SdrObjListPrimitiveHit(*rObject.GetSubList(), rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly); + } + else + { + if(!pVisiLayer || pVisiLayer->IsSet(rObject.GetLayer())) + { + // single object, 3d object, empty scene or empty group. Check if + // it's a single 3D object + const E3dCompoundObject* pE3dCompoundObject = dynamic_cast< const E3dCompoundObject* >(&rObject); + + if(pE3dCompoundObject) + { + const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y()); + + if(checkHitSingle3DObject(aHitPosition, *pE3dCompoundObject)) + { + pResult = const_cast< E3dCompoundObject* >(pE3dCompoundObject); + } + } + else + { + // not a single 3D object; Check in first PageWindow using prmitives (only SC + // with split views uses multiple PageWindows nowadays) + if(rSdrPageView.PageWindowCount()) + { + const double fLogicTolerance(nTol); + const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y()); + const sdr::contact::ViewObjectContact& rVOC = rObject.GetViewContact().GetViewObjectContact( + rSdrPageView.GetPageWindow(0)->GetObjectContact()); + + if(ViewObjectContactPrimitiveHit(rVOC, aHitPosition, fLogicTolerance, bTextOnly)) + { + pResult = const_cast< SdrObject* >(&rObject); + } + } + } + } + } + + return pResult; +} + +///////////////////////////////////////////////////////////////////// + +SdrObject* SdrObjListPrimitiveHit( + const SdrObjList& rList, + const Point& rPnt, + sal_uInt16 nTol, + const SdrPageView& rSdrPageView, + const SetOfByte* pVisiLayer, + bool bTextOnly) +{ + sal_uInt32 nObjNum(rList.GetObjCount()); + SdrObject* pRetval = 0; + + while(!pRetval && nObjNum > 0) + { + nObjNum--; + SdrObject* pObj = rList.GetObj(nObjNum); + + pRetval = SdrObjectPrimitiveHit(*pObj, rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly); + } + + return pRetval; +} + +///////////////////////////////////////////////////////////////////// + +bool ViewObjectContactPrimitiveHit( + const sdr::contact::ViewObjectContact& rVOC, + const basegfx::B2DPoint& rHitPosition, + double fLogicHitTolerance, + bool bTextOnly) +{ + basegfx::B2DRange aObjectRange(rVOC.getObjectRange()); + + if(!aObjectRange.isEmpty()) + { + // first do a rough B2DRange based HitTest; do not forget to + // include the HitTolerance if given + if(basegfx::fTools::more(fLogicHitTolerance, 0.0)) + { + aObjectRange.grow(fLogicHitTolerance); + } + + if(aObjectRange.isInside(rHitPosition)) + { + // get primitive sequence + sdr::contact::DisplayInfo aDisplayInfo; + const drawinglayer::primitive2d::Primitive2DSequence& rSequence(rVOC.getPrimitive2DSequence(aDisplayInfo)); + + if(rSequence.hasElements()) + { + // create a HitTest processor + const drawinglayer::geometry::ViewInformation2D& rViewInformation2D = rVOC.GetObjectContact().getViewInformation2D(); + drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D( + rViewInformation2D, + rHitPosition, + fLogicHitTolerance, + bTextOnly); + + // feed it with the primitives + aHitTestProcessor2D.process(rSequence); + + // deliver result + return aHitTestProcessor2D.getHit(); + } + } + } + + return false; +} + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// eof |