Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 195 insertions, 0 deletions

diff --git a/svx/source/sdr/contact/viewcontactofe3d.cxx b/svx/source/sdr/contact/viewcontactofe3d.cxx
new file mode 100644
index 000000000..809c99d22
--- /dev/null
+++ b/svx/source/sdr/contact/viewcontactofe3d.cxx
@@ -0,0 +1,195 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#include <sdr/contact/viewcontactofe3d.hxx>
+#include <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>
+
+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 an 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 nullptr;
+}
+
+} // end of anonymous namespace
+
+namespace sdr::contact {
+
+drawinglayer::primitive2d::Primitive2DContainer ViewContactOfE3d::impCreateWithGivenPrimitive3DContainer(
+    const drawinglayer::primitive3d::Primitive3DContainer& rxContent3D) const
+{
+    drawinglayer::primitive2d::Primitive2DContainer xRetval;
+
+    if(!rxContent3D.empty())
+    {
+        // 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().empty())
+            {
+                // 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::Primitive2DContainer { xReference };
+        }
+    }
+
+    return xRetval;
+}
+
+ViewContactOfE3d::ViewContactOfE3d(E3dObject& rSdrObject)
+:   ViewContactOfSdrObj(rSdrObject)
+{
+}
+
+ViewContactOfE3d::~ViewContactOfE3d()
+{
+}
+
+drawinglayer::primitive3d::Primitive3DContainer const & ViewContactOfE3d::getVIP3DSWithoutObjectTransform() const
+{
+    // local up-to-date checks. Create new list and compare.
+    drawinglayer::primitive3d::Primitive3DContainer xNew(createViewIndependentPrimitive3DContainer());
+
+    if(mxViewIndependentPrimitive3DContainer != xNew)
+    {
+        // has changed, copy content
+        const_cast< ViewContactOfE3d* >(this)->mxViewIndependentPrimitive3DContainer = xNew;
+    }
+
+    // return current Primitive2DContainer
+    return mxViewIndependentPrimitive3DContainer;
+}
+
+drawinglayer::primitive3d::Primitive3DContainer ViewContactOfE3d::getViewIndependentPrimitive3DContainer() const
+{
+    // get sequence without object transform
+    drawinglayer::primitive3d::Primitive3DContainer xRetval(getVIP3DSWithoutObjectTransform());
+
+    if(!xRetval.empty())
+    {
+        // 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 = { xReference };
+        }
+    }
+
+    // return current Primitive2DContainer
+    return xRetval;
+}
+
+drawinglayer::primitive2d::Primitive2DContainer 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 impCreateWithGivenPrimitive3DContainer(getViewIndependentPrimitive3DContainer());
+}
+
+ViewObjectContact& ViewContactOfE3d::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
+{
+    ViewObjectContact* pRetval = new ViewObjectContactOfE3d(rObjectContact, *this);
+    DBG_ASSERT(pRetval, "ViewContactOfE3d::CreateObjectSpecificViewObjectContact() failed (!)");
+
+    return *pRetval;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */