1*f6e50924SAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*f6e50924SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
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21*f6e50924SAndrew Rist
22*f6e50924SAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_svx.hxx"
26cdf0e10cSrcweir #include <svx/e3dsceneupdater.hxx>
27cdf0e10cSrcweir #include <drawinglayer/geometry/viewinformation3d.hxx>
28cdf0e10cSrcweir #include <svx/obj3d.hxx>
29cdf0e10cSrcweir #include <svx/scene3d.hxx>
30cdf0e10cSrcweir #include <svx/sdr/contact/viewcontactofe3dscene.hxx>
31cdf0e10cSrcweir
32cdf0e10cSrcweir //////////////////////////////////////////////////////////////////////////////
33cdf0e10cSrcweir
E3DModifySceneSnapRectUpdater(const SdrObject * pObject)34cdf0e10cSrcweir E3DModifySceneSnapRectUpdater::E3DModifySceneSnapRectUpdater(const SdrObject* pObject)
35cdf0e10cSrcweir : mpScene(0),
36cdf0e10cSrcweir mpViewInformation3D(0)
37cdf0e10cSrcweir {
38cdf0e10cSrcweir // Secure old 3D transformation stack before modification
39cdf0e10cSrcweir if(pObject)
40cdf0e10cSrcweir {
41cdf0e10cSrcweir const E3dObject* pE3dObject = dynamic_cast< const E3dObject* >(pObject);
42cdf0e10cSrcweir
43cdf0e10cSrcweir if(pE3dObject)
44cdf0e10cSrcweir {
45cdf0e10cSrcweir mpScene = pE3dObject->GetScene();
46cdf0e10cSrcweir
47cdf0e10cSrcweir if(mpScene && mpScene->GetScene() == mpScene)
48cdf0e10cSrcweir {
49cdf0e10cSrcweir // if there is a scene and it's the outmost scene, get current 3D range
50cdf0e10cSrcweir const sdr::contact::ViewContactOfE3dScene& rVCScene = static_cast< sdr::contact::ViewContactOfE3dScene& >(mpScene->GetViewContact());
51cdf0e10cSrcweir const basegfx::B3DRange aAllContentRange(rVCScene.getAllContentRange3D());
52cdf0e10cSrcweir
53cdf0e10cSrcweir if(aAllContentRange.isEmpty())
54cdf0e10cSrcweir {
55cdf0e10cSrcweir // no content, nothing to do
56cdf0e10cSrcweir mpScene = 0;
57cdf0e10cSrcweir }
58cdf0e10cSrcweir else
59cdf0e10cSrcweir {
60cdf0e10cSrcweir // secure current 3D transformation stack
61cdf0e10cSrcweir mpViewInformation3D = new drawinglayer::geometry::ViewInformation3D(rVCScene.getViewInformation3D(aAllContentRange));
62cdf0e10cSrcweir }
63cdf0e10cSrcweir }
64cdf0e10cSrcweir }
65cdf0e10cSrcweir }
66cdf0e10cSrcweir }
67cdf0e10cSrcweir
~E3DModifySceneSnapRectUpdater()68cdf0e10cSrcweir E3DModifySceneSnapRectUpdater::~E3DModifySceneSnapRectUpdater()
69cdf0e10cSrcweir {
70cdf0e10cSrcweir if(mpScene && mpViewInformation3D)
71cdf0e10cSrcweir {
72cdf0e10cSrcweir // after changing parts of the scene, use the secured last 3d transformation stack and the new content
73cdf0e10cSrcweir // range to calculate a new, eventually expanded or shrunk, 2D geometry for the scene and apply it.
74cdf0e10cSrcweir // Get new content range
75cdf0e10cSrcweir const sdr::contact::ViewContactOfE3dScene& rVCScene = static_cast< sdr::contact::ViewContactOfE3dScene& >(mpScene->GetViewContact());
76cdf0e10cSrcweir basegfx::B3DRange aAllContentRange(rVCScene.getAllContentRange3D());
77cdf0e10cSrcweir
78cdf0e10cSrcweir // only change when there is still content; else let scene stay at old SnapRect
79cdf0e10cSrcweir if(!aAllContentRange.isEmpty())
80cdf0e10cSrcweir {
81cdf0e10cSrcweir // check if object transform of scene has changed
82cdf0e10cSrcweir if(mpViewInformation3D->getObjectTransformation() != mpScene->GetTransform())
83cdf0e10cSrcweir {
84cdf0e10cSrcweir // If Yes, it needs to be updated since it's - for historical reasons -
85cdf0e10cSrcweir // part of the basic 3d transformation stack of the scene
86cdf0e10cSrcweir drawinglayer::geometry::ViewInformation3D* pNew = new drawinglayer::geometry::ViewInformation3D(
87cdf0e10cSrcweir mpScene->GetTransform(), // replace object transformation with new local transform
88cdf0e10cSrcweir mpViewInformation3D->getOrientation(),
89cdf0e10cSrcweir mpViewInformation3D->getProjection(),
90cdf0e10cSrcweir mpViewInformation3D->getDeviceToView(),
91cdf0e10cSrcweir mpViewInformation3D->getViewTime(),
92cdf0e10cSrcweir mpViewInformation3D->getExtendedInformationSequence());
93cdf0e10cSrcweir delete mpViewInformation3D;
94cdf0e10cSrcweir mpViewInformation3D = pNew;
95cdf0e10cSrcweir }
96cdf0e10cSrcweir
97cdf0e10cSrcweir // transform content range to scene-relative coordinates using old 3d transformation stack
98cdf0e10cSrcweir aAllContentRange.transform(mpViewInformation3D->getObjectToView());
99cdf0e10cSrcweir
100cdf0e10cSrcweir // build 2d relative content range
101cdf0e10cSrcweir basegfx::B2DRange aSnapRange(
102cdf0e10cSrcweir aAllContentRange.getMinX(), aAllContentRange.getMinY(),
103cdf0e10cSrcweir aAllContentRange.getMaxX(), aAllContentRange.getMaxY());
104cdf0e10cSrcweir
105cdf0e10cSrcweir // transform to 2D world coordiantes using scene's 2D transformation
106cdf0e10cSrcweir aSnapRange.transform(rVCScene.getObjectTransformation());
107cdf0e10cSrcweir
108cdf0e10cSrcweir // snap to (old) integer
109cdf0e10cSrcweir const Rectangle aNewSnapRect(
110cdf0e10cSrcweir sal_Int32(floor(aSnapRange.getMinX())), sal_Int32(floor(aSnapRange.getMinY())),
111cdf0e10cSrcweir sal_Int32(ceil(aSnapRange.getMaxX())), sal_Int32(ceil(aSnapRange.getMaxY())));
112cdf0e10cSrcweir
113cdf0e10cSrcweir // set as new SnapRect and invalidate bound volume
114cdf0e10cSrcweir if(mpScene->GetSnapRect() != aNewSnapRect)
115cdf0e10cSrcweir {
116cdf0e10cSrcweir mpScene->SetSnapRect(aNewSnapRect);
117cdf0e10cSrcweir mpScene->InvalidateBoundVolume();
118cdf0e10cSrcweir }
119cdf0e10cSrcweir }
120cdf0e10cSrcweir }
121cdf0e10cSrcweir
122cdf0e10cSrcweir delete mpViewInformation3D;
123cdf0e10cSrcweir }
124cdf0e10cSrcweir
125cdf0e10cSrcweir //////////////////////////////////////////////////////////////////////////////
126cdf0e10cSrcweir // eof
127