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See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_svx.hxx" 30*cdf0e10cSrcweir #include <svx/e3dsceneupdater.hxx> 31*cdf0e10cSrcweir #include <drawinglayer/geometry/viewinformation3d.hxx> 32*cdf0e10cSrcweir #include <svx/obj3d.hxx> 33*cdf0e10cSrcweir #include <svx/scene3d.hxx> 34*cdf0e10cSrcweir #include <svx/sdr/contact/viewcontactofe3dscene.hxx> 35*cdf0e10cSrcweir 36*cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir E3DModifySceneSnapRectUpdater::E3DModifySceneSnapRectUpdater(const SdrObject* pObject) 39*cdf0e10cSrcweir : mpScene(0), 40*cdf0e10cSrcweir mpViewInformation3D(0) 41*cdf0e10cSrcweir { 42*cdf0e10cSrcweir // Secure old 3D transformation stack before modification 43*cdf0e10cSrcweir if(pObject) 44*cdf0e10cSrcweir { 45*cdf0e10cSrcweir const E3dObject* pE3dObject = dynamic_cast< const E3dObject* >(pObject); 46*cdf0e10cSrcweir 47*cdf0e10cSrcweir if(pE3dObject) 48*cdf0e10cSrcweir { 49*cdf0e10cSrcweir mpScene = pE3dObject->GetScene(); 50*cdf0e10cSrcweir 51*cdf0e10cSrcweir if(mpScene && mpScene->GetScene() == mpScene) 52*cdf0e10cSrcweir { 53*cdf0e10cSrcweir // if there is a scene and it's the outmost scene, get current 3D range 54*cdf0e10cSrcweir const sdr::contact::ViewContactOfE3dScene& rVCScene = static_cast< sdr::contact::ViewContactOfE3dScene& >(mpScene->GetViewContact()); 55*cdf0e10cSrcweir const basegfx::B3DRange aAllContentRange(rVCScene.getAllContentRange3D()); 56*cdf0e10cSrcweir 57*cdf0e10cSrcweir if(aAllContentRange.isEmpty()) 58*cdf0e10cSrcweir { 59*cdf0e10cSrcweir // no content, nothing to do 60*cdf0e10cSrcweir mpScene = 0; 61*cdf0e10cSrcweir } 62*cdf0e10cSrcweir else 63*cdf0e10cSrcweir { 64*cdf0e10cSrcweir // secure current 3D transformation stack 65*cdf0e10cSrcweir mpViewInformation3D = new drawinglayer::geometry::ViewInformation3D(rVCScene.getViewInformation3D(aAllContentRange)); 66*cdf0e10cSrcweir } 67*cdf0e10cSrcweir } 68*cdf0e10cSrcweir } 69*cdf0e10cSrcweir } 70*cdf0e10cSrcweir } 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir E3DModifySceneSnapRectUpdater::~E3DModifySceneSnapRectUpdater() 73*cdf0e10cSrcweir { 74*cdf0e10cSrcweir if(mpScene && mpViewInformation3D) 75*cdf0e10cSrcweir { 76*cdf0e10cSrcweir // after changing parts of the scene, use the secured last 3d transformation stack and the new content 77*cdf0e10cSrcweir // range to calculate a new, eventually expanded or shrunk, 2D geometry for the scene and apply it. 78*cdf0e10cSrcweir // Get new content range 79*cdf0e10cSrcweir const sdr::contact::ViewContactOfE3dScene& rVCScene = static_cast< sdr::contact::ViewContactOfE3dScene& >(mpScene->GetViewContact()); 80*cdf0e10cSrcweir basegfx::B3DRange aAllContentRange(rVCScene.getAllContentRange3D()); 81*cdf0e10cSrcweir 82*cdf0e10cSrcweir // only change when there is still content; else let scene stay at old SnapRect 83*cdf0e10cSrcweir if(!aAllContentRange.isEmpty()) 84*cdf0e10cSrcweir { 85*cdf0e10cSrcweir // check if object transform of scene has changed 86*cdf0e10cSrcweir if(mpViewInformation3D->getObjectTransformation() != mpScene->GetTransform()) 87*cdf0e10cSrcweir { 88*cdf0e10cSrcweir // If Yes, it needs to be updated since it's - for historical reasons - 89*cdf0e10cSrcweir // part of the basic 3d transformation stack of the scene 90*cdf0e10cSrcweir drawinglayer::geometry::ViewInformation3D* pNew = new drawinglayer::geometry::ViewInformation3D( 91*cdf0e10cSrcweir mpScene->GetTransform(), // replace object transformation with new local transform 92*cdf0e10cSrcweir mpViewInformation3D->getOrientation(), 93*cdf0e10cSrcweir mpViewInformation3D->getProjection(), 94*cdf0e10cSrcweir mpViewInformation3D->getDeviceToView(), 95*cdf0e10cSrcweir mpViewInformation3D->getViewTime(), 96*cdf0e10cSrcweir mpViewInformation3D->getExtendedInformationSequence()); 97*cdf0e10cSrcweir delete mpViewInformation3D; 98*cdf0e10cSrcweir mpViewInformation3D = pNew; 99*cdf0e10cSrcweir } 100*cdf0e10cSrcweir 101*cdf0e10cSrcweir // transform content range to scene-relative coordinates using old 3d transformation stack 102*cdf0e10cSrcweir aAllContentRange.transform(mpViewInformation3D->getObjectToView()); 103*cdf0e10cSrcweir 104*cdf0e10cSrcweir // build 2d relative content range 105*cdf0e10cSrcweir basegfx::B2DRange aSnapRange( 106*cdf0e10cSrcweir aAllContentRange.getMinX(), aAllContentRange.getMinY(), 107*cdf0e10cSrcweir aAllContentRange.getMaxX(), aAllContentRange.getMaxY()); 108*cdf0e10cSrcweir 109*cdf0e10cSrcweir // transform to 2D world coordiantes using scene's 2D transformation 110*cdf0e10cSrcweir aSnapRange.transform(rVCScene.getObjectTransformation()); 111*cdf0e10cSrcweir 112*cdf0e10cSrcweir // snap to (old) integer 113*cdf0e10cSrcweir const Rectangle aNewSnapRect( 114*cdf0e10cSrcweir sal_Int32(floor(aSnapRange.getMinX())), sal_Int32(floor(aSnapRange.getMinY())), 115*cdf0e10cSrcweir sal_Int32(ceil(aSnapRange.getMaxX())), sal_Int32(ceil(aSnapRange.getMaxY()))); 116*cdf0e10cSrcweir 117*cdf0e10cSrcweir // set as new SnapRect and invalidate bound volume 118*cdf0e10cSrcweir if(mpScene->GetSnapRect() != aNewSnapRect) 119*cdf0e10cSrcweir { 120*cdf0e10cSrcweir mpScene->SetSnapRect(aNewSnapRect); 121*cdf0e10cSrcweir mpScene->InvalidateBoundVolume(); 122*cdf0e10cSrcweir } 123*cdf0e10cSrcweir } 124*cdf0e10cSrcweir } 125*cdf0e10cSrcweir 126*cdf0e10cSrcweir delete mpViewInformation3D; 127*cdf0e10cSrcweir } 128*cdf0e10cSrcweir 129*cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 130*cdf0e10cSrcweir // eof 131