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Diffstat (limited to 'svx/source/sdr/contact/viewcontactofe3d.cxx')
| -rw-r--r-- | svx/source/sdr/contact/viewcontactofe3d.cxx | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/svx/source/sdr/contact/viewcontactofe3d.cxx b/svx/source/sdr/contact/viewcontactofe3d.cxx new file mode 100644 index 000000000000..9d6b253a676a --- /dev/null +++ b/svx/source/sdr/contact/viewcontactofe3d.cxx @@ -0,0 +1,227 @@ +/************************************************************************* + * + * 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/sdr/contact/viewcontactofe3d.hxx> +#include <svx/sdr/contact/viewobjectcontactofe3d.hxx> +#include <svx/obj3d.hxx> +#include <drawinglayer/primitive2d/embedded3dprimitive2d.hxx> +#include <svx/sdr/contact/viewcontactofe3dscene.hxx> +#include <svx/scene3d.hxx> +#include <drawinglayer/primitive3d/transformprimitive3d.hxx> +#include <drawinglayer/attribute/sdrsceneattribute3d.hxx> +#include <drawinglayer/attribute/sdrlightingattribute3d.hxx> +#include <drawinglayer/attribute/sdrlightattribute3d.hxx> +#include <drawinglayer/attribute/sdrlineattribute.hxx> + +////////////////////////////////////////////////////////////////////////////// + +namespace +{ + const sdr::contact::ViewContactOfE3dScene* tryToFindVCOfE3DScene( + const sdr::contact::ViewContact& rCandidate, + basegfx::B3DHomMatrix& o_rInBetweenObjectTransform) + { + const sdr::contact::ViewContactOfE3dScene* pSceneParent = + dynamic_cast< const sdr::contact::ViewContactOfE3dScene* >(rCandidate.GetParentContact()); + + if(pSceneParent) + { + // each 3d object (including in-between scenes) should have a scene as parent + const sdr::contact::ViewContactOfE3dScene* pSceneParentParent = + dynamic_cast< const sdr::contact::ViewContactOfE3dScene* >(pSceneParent->GetParentContact()); + + if(pSceneParentParent) + { + // the parent scene of rCandidate is a in-between scene, call recursively and collect + // the in-between scene's object transformation part in o_rInBetweenObjectTransform + const basegfx::B3DHomMatrix& rSceneParentTransform = pSceneParent->GetE3dScene().GetTransform(); + o_rInBetweenObjectTransform = rSceneParentTransform * o_rInBetweenObjectTransform; + return tryToFindVCOfE3DScene(*pSceneParent, o_rInBetweenObjectTransform); + } + else + { + // the parent scene is the outmost scene + return pSceneParent; + } + } + + // object hierarchy structure is incorrect; no result + return 0; + } +} // end of anonymous namespace + +////////////////////////////////////////////////////////////////////////////// + +namespace sdr +{ + namespace contact + { + drawinglayer::primitive2d::Primitive2DSequence ViewContactOfE3d::impCreateWithGivenPrimitive3DSequence( + const drawinglayer::primitive3d::Primitive3DSequence& rxContent3D) const + { + drawinglayer::primitive2d::Primitive2DSequence xRetval; + + if(rxContent3D.hasElements()) + { + // try to get the outmost ViewObjectContactOfE3dScene for this single 3d object, + // the ones on the way there are grouping scenes. Collect the in-between scene's + // transformations to build a correct object transformation for the embedded + // object + basegfx::B3DHomMatrix aInBetweenObjectTransform; + const ViewContactOfE3dScene* pVCOfE3DScene = tryToFindVCOfE3DScene(*this, aInBetweenObjectTransform); + + if(pVCOfE3DScene) + { + basegfx::B3DVector aLightNormal; + const double fShadowSlant(pVCOfE3DScene->getSdrSceneAttribute().getShadowSlant()); + const basegfx::B3DRange& rAllContentRange = pVCOfE3DScene->getAllContentRange3D(); + drawinglayer::geometry::ViewInformation3D aViewInformation3D(pVCOfE3DScene->getViewInformation3D()); + + if(pVCOfE3DScene->getSdrLightingAttribute().getLightVector().size()) + { + // get light normal from first light and normalize + aLightNormal = pVCOfE3DScene->getSdrLightingAttribute().getLightVector()[0].getDirection(); + aLightNormal.normalize(); + } + + if(!aInBetweenObjectTransform.isIdentity()) + { + // if aInBetweenObjectTransform is used, create combined ViewInformation3D which + // contains the correct object transformation for the embedded 3d object + aViewInformation3D = drawinglayer::geometry::ViewInformation3D( + aViewInformation3D.getObjectTransformation() * aInBetweenObjectTransform, + aViewInformation3D.getOrientation(), + aViewInformation3D.getProjection(), + aViewInformation3D.getDeviceToView(), + aViewInformation3D.getViewTime(), + aViewInformation3D.getExtendedInformationSequence()); + } + + // create embedded 2d primitive and add. LightNormal and ShadowSlant are needed for evtl. + // 3D shadow extraction for correct B2DRange calculation (shadow is part of the object) + const drawinglayer::primitive2d::Primitive2DReference xReference( + new drawinglayer::primitive2d::Embedded3DPrimitive2D( + rxContent3D, + pVCOfE3DScene->getObjectTransformation(), + aViewInformation3D, + aLightNormal, + fShadowSlant, + rAllContentRange)); + + xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1); + } + } + + return xRetval; + } + + ViewContactOfE3d::ViewContactOfE3d(E3dObject& rSdrObject) + : ViewContactOfSdrObj(rSdrObject) + { + } + + ViewContactOfE3d::~ViewContactOfE3d() + { + } + + drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3d::getVIP3DSWithoutObjectTransform() const + { + // local up-to-date checks. Create new list and compare. + drawinglayer::primitive3d::Primitive3DSequence xNew(createViewIndependentPrimitive3DSequence()); + + if(!drawinglayer::primitive3d::arePrimitive3DSequencesEqual(mxViewIndependentPrimitive3DSequence, xNew)) + { + // has changed, copy content + const_cast< ViewContactOfE3d* >(this)->mxViewIndependentPrimitive3DSequence = xNew; + } + + // return current Primitive2DSequence + return mxViewIndependentPrimitive3DSequence; + } + + drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3d::getViewIndependentPrimitive3DSequence() const + { + // get sequence without object transform + drawinglayer::primitive3d::Primitive3DSequence xRetval(getVIP3DSWithoutObjectTransform()); + + if(xRetval.hasElements()) + { + // add object transform if it's used + const basegfx::B3DHomMatrix& rObjectTransform(GetE3dObject().GetTransform()); + + if(!rObjectTransform.isIdentity()) + { + const drawinglayer::primitive3d::Primitive3DReference xReference( + new drawinglayer::primitive3d::TransformPrimitive3D( + rObjectTransform, + xRetval)); + + xRetval = drawinglayer::primitive3d::Primitive3DSequence(&xReference, 1); + } + } + + // return current Primitive2DSequence + return xRetval; + } + + drawinglayer::primitive2d::Primitive2DSequence ViewContactOfE3d::createViewIndependentPrimitive2DSequence() const + { + // also need to create a 2D embedding when the view-independent part is requested, + // see view-dependent part in ViewObjectContactOfE3d::createPrimitive2DSequence + // get 3d primitive vector, isPrimitiveVisible() is done in 3d creator + return impCreateWithGivenPrimitive3DSequence(getViewIndependentPrimitive3DSequence()); + } + + ViewObjectContact& ViewContactOfE3d::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact) + { + ViewObjectContact* pRetval = new ViewObjectContactOfE3d(rObjectContact, *this); + DBG_ASSERT(pRetval, "ViewContactOfE3d::CreateObjectSpecificViewObjectContact() failed (!)"); + + return *pRetval; + } + + drawinglayer::attribute::SdrLineAttribute* ViewContactOfE3d::impCreateFallbackLineAttribute(const basegfx::BColor& rBColor) const + { + static bool bFallbackToCreateAsLineForTest(false); + + if(bFallbackToCreateAsLineForTest) + { + return new drawinglayer::attribute::SdrLineAttribute(rBColor); + } + else + { + return 0; + } + } + } // end of namespace contact +} // end of namespace sdr + +////////////////////////////////////////////////////////////////////////////// +// eof |