| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_svx.hxx" |
| #include <svx/e3dsceneupdater.hxx> |
| #include <drawinglayer/geometry/viewinformation3d.hxx> |
| #include <svx/obj3d.hxx> |
| #include <svx/scene3d.hxx> |
| #include <svx/sdr/contact/viewcontactofe3dscene.hxx> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| E3DModifySceneSnapRectUpdater::E3DModifySceneSnapRectUpdater(const SdrObject* pObject) |
| : mpScene(0), |
| mpViewInformation3D(0) |
| { |
| // Secure old 3D transformation stack before modification |
| if(pObject) |
| { |
| const E3dObject* pE3dObject = dynamic_cast< const E3dObject* >(pObject); |
| |
| if(pE3dObject) |
| { |
| mpScene = pE3dObject->GetScene(); |
| |
| if(mpScene && mpScene->GetScene() == mpScene) |
| { |
| // if there is a scene and it's the outmost scene, get current 3D range |
| const sdr::contact::ViewContactOfE3dScene& rVCScene = static_cast< sdr::contact::ViewContactOfE3dScene& >(mpScene->GetViewContact()); |
| const basegfx::B3DRange aAllContentRange(rVCScene.getAllContentRange3D()); |
| |
| if(aAllContentRange.isEmpty()) |
| { |
| // no content, nothing to do |
| mpScene = 0; |
| } |
| else |
| { |
| // secure current 3D transformation stack |
| mpViewInformation3D = new drawinglayer::geometry::ViewInformation3D(rVCScene.getViewInformation3D(aAllContentRange)); |
| } |
| } |
| } |
| } |
| } |
| |
| E3DModifySceneSnapRectUpdater::~E3DModifySceneSnapRectUpdater() |
| { |
| if(mpScene && mpViewInformation3D) |
| { |
| // after changing parts of the scene, use the secured last 3d transformation stack and the new content |
| // range to calculate a new, eventually expanded or shrunk, 2D geometry for the scene and apply it. |
| // Get new content range |
| const sdr::contact::ViewContactOfE3dScene& rVCScene = static_cast< sdr::contact::ViewContactOfE3dScene& >(mpScene->GetViewContact()); |
| basegfx::B3DRange aAllContentRange(rVCScene.getAllContentRange3D()); |
| |
| // only change when there is still content; else let scene stay at old SnapRect |
| if(!aAllContentRange.isEmpty()) |
| { |
| // check if object transform of scene has changed |
| if(mpViewInformation3D->getObjectTransformation() != mpScene->GetTransform()) |
| { |
| // If Yes, it needs to be updated since it's - for historical reasons - |
| // part of the basic 3d transformation stack of the scene |
| drawinglayer::geometry::ViewInformation3D* pNew = new drawinglayer::geometry::ViewInformation3D( |
| mpScene->GetTransform(), // replace object transformation with new local transform |
| mpViewInformation3D->getOrientation(), |
| mpViewInformation3D->getProjection(), |
| mpViewInformation3D->getDeviceToView(), |
| mpViewInformation3D->getViewTime(), |
| mpViewInformation3D->getExtendedInformationSequence()); |
| delete mpViewInformation3D; |
| mpViewInformation3D = pNew; |
| } |
| |
| // transform content range to scene-relative coordinates using old 3d transformation stack |
| aAllContentRange.transform(mpViewInformation3D->getObjectToView()); |
| |
| // build 2d relative content range |
| basegfx::B2DRange aSnapRange( |
| aAllContentRange.getMinX(), aAllContentRange.getMinY(), |
| aAllContentRange.getMaxX(), aAllContentRange.getMaxY()); |
| |
| // transform to 2D world coordiantes using scene's 2D transformation |
| aSnapRange.transform(rVCScene.getObjectTransformation()); |
| |
| // snap to (old) integer |
| const Rectangle aNewSnapRect( |
| sal_Int32(floor(aSnapRange.getMinX())), sal_Int32(floor(aSnapRange.getMinY())), |
| sal_Int32(ceil(aSnapRange.getMaxX())), sal_Int32(ceil(aSnapRange.getMaxY()))); |
| |
| // set as new SnapRect and invalidate bound volume |
| if(mpScene->GetSnapRect() != aNewSnapRect) |
| { |
| mpScene->SetSnapRect(aNewSnapRect); |
| mpScene->InvalidateBoundVolume(); |
| } |
| } |
| } |
| |
| delete mpViewInformation3D; |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |
