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, 454 insertions, 0 deletions

diff --git a/svx/source/sdr/contact/viewcontactofe3dscene.cxx b/svx/source/sdr/contact/viewcontactofe3dscene.cxx
new file mode 100644
index 000000000..284cf3f64
--- /dev/null
+++ b/svx/source/sdr/contact/viewcontactofe3dscene.cxx
@@ -0,0 +1,454 @@
+/* -*- 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 <svx/sdr/contact/viewcontactofe3dscene.hxx>
+#include <svx/sdr/contact/viewobjectcontact.hxx>
+#include <sdr/primitive2d/sdrattributecreator.hxx>
+#include <sdr/contact/viewobjectcontactofe3dscene.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/range/b3drange.hxx>
+#include <drawinglayer/primitive3d/baseprimitive3d.hxx>
+#include <sdr/contact/viewcontactofe3d.hxx>
+#include <drawinglayer/primitive2d/sceneprimitive2d.hxx>
+#include <drawinglayer/primitive3d/transformprimitive3d.hxx>
+#include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
+
+using namespace com::sun::star;
+
+namespace {
+
+// pActiveVC is only true if ghosted is still activated and maybe needs to be switched off in this path
+void createSubPrimitive3DVector(
+    const sdr::contact::ViewContact& rCandidate,
+    drawinglayer::primitive3d::Primitive3DContainer& o_rAllTarget,
+    drawinglayer::primitive3d::Primitive3DContainer* o_pVisibleTarget,
+    const SdrLayerIDSet* pVisibleSdrLayerIDSet,
+    const bool bTestSelectedVisibility)
+{
+    const sdr::contact::ViewContactOfE3dScene* pViewContactOfE3dScene = dynamic_cast< const sdr::contact::ViewContactOfE3dScene* >(&rCandidate);
+
+    if(pViewContactOfE3dScene)
+    {
+        const sal_uInt32 nChildrenCount(rCandidate.GetObjectCount());
+
+        if(nChildrenCount)
+        {
+            // provide new collection sequences
+            drawinglayer::primitive3d::Primitive3DContainer aNewAllTarget;
+            drawinglayer::primitive3d::Primitive3DContainer aNewVisibleTarget;
+
+            // add children recursively
+            for(sal_uInt32 a(0); a < nChildrenCount; a++)
+            {
+                createSubPrimitive3DVector(
+                    rCandidate.GetViewContact(a),
+                    aNewAllTarget,
+                    o_pVisibleTarget ? &aNewVisibleTarget : nullptr,
+                    pVisibleSdrLayerIDSet,
+                    bTestSelectedVisibility);
+            }
+
+            // create transform primitive for the created content combining content and transformtion
+            const drawinglayer::primitive3d::Primitive3DReference xReference(new drawinglayer::primitive3d::TransformPrimitive3D(
+                pViewContactOfE3dScene->GetE3dScene().GetTransform(),
+                aNewAllTarget));
+
+            // add created content to all target
+            o_rAllTarget.push_back(xReference);
+
+            // add created content to visible target if exists
+            if(o_pVisibleTarget)
+            {
+                o_pVisibleTarget->push_back(xReference);
+            }
+        }
+    }
+    else
+    {
+        // access view independent representation of rCandidate
+        const sdr::contact::ViewContactOfE3d* pViewContactOfE3d = dynamic_cast< const sdr::contact::ViewContactOfE3d* >(&rCandidate);
+
+        if(pViewContactOfE3d)
+        {
+            drawinglayer::primitive3d::Primitive3DContainer xPrimitive3DSeq(pViewContactOfE3d->getViewIndependentPrimitive3DContainer());
+
+            if(!xPrimitive3DSeq.empty())
+            {
+                // add to all target vector
+                o_rAllTarget.append(xPrimitive3DSeq);
+
+                if(o_pVisibleTarget)
+                {
+                    // test visibility. Primitive is visible when both tests are true (AND)
+                    bool bVisible(true);
+
+                    if(pVisibleSdrLayerIDSet)
+                    {
+                        // test layer visibility
+                        const E3dObject& rE3dObject = pViewContactOfE3d->GetE3dObject();
+                        const SdrLayerID aLayerID(rE3dObject.GetLayer());
+
+                        bVisible = pVisibleSdrLayerIDSet->IsSet(aLayerID);
+                    }
+
+                    if(bVisible && bTestSelectedVisibility)
+                    {
+                        // test selected visibility (see 3D View's DrawMarkedObj implementation)
+                        const E3dObject& rE3dObject = pViewContactOfE3d->GetE3dObject();
+
+                        bVisible = rE3dObject.GetSelected();
+                    }
+
+                    if (bVisible)
+                    {
+                        // add to visible target vector
+                        o_pVisibleTarget->append(xPrimitive3DSeq);
+                    }
+                }
+            }
+        }
+    }
+}
+
+}
+
+namespace sdr::contact {
+
+// Create an Object-Specific ViewObjectContact, set ViewContact and
+// ObjectContact. Always needs to return something.
+ViewObjectContact& ViewContactOfE3dScene::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
+{
+    ViewObjectContact* pRetval = new ViewObjectContactOfE3dScene(rObjectContact, *this);
+    DBG_ASSERT(pRetval, "ViewContactOfE3dScene::CreateObjectSpecificViewObjectContact() failed (!)");
+
+    return *pRetval;
+}
+
+ViewContactOfE3dScene::ViewContactOfE3dScene(E3dScene& rScene)
+:   ViewContactOfSdrObj(rScene),
+    maViewInformation3D(),
+    maObjectTransformation(),
+    maSdrSceneAttribute(),
+    maSdrLightingAttribute()
+{
+}
+
+void ViewContactOfE3dScene::createViewInformation3D(const basegfx::B3DRange& rContentRange)
+{
+    basegfx::B3DHomMatrix aTransformation;
+    basegfx::B3DHomMatrix aOrientation;
+    basegfx::B3DHomMatrix aProjection;
+    basegfx::B3DHomMatrix aDeviceToView;
+
+    // create transformation (scene as group's transformation)
+    // For historical reasons, the outmost scene's transformation is handles as part of the
+    // view transformation. This means that the BoundRect of the contained 3D Objects is
+    // without that transformation and makes it necessary to NOT add the first scene to the
+    // Primitive3DContainer of contained objects.
+    {
+        aTransformation = GetE3dScene().GetTransform();
+    }
+
+    // create orientation (world to camera coordinate system)
+    {
+        // calculate orientation from VRP, VPN and VUV
+        const B3dCamera& rSceneCamera = GetE3dScene().GetCameraSet();
+        const basegfx::B3DPoint& aVRP(rSceneCamera.GetVRP());
+        const basegfx::B3DVector& aVPN(rSceneCamera.GetVPN());
+        const basegfx::B3DVector& aVUV(rSceneCamera.GetVUV());
+
+        aOrientation.orientation(aVRP, aVPN, aVUV);
+    }
+
+    // create projection (camera coordinate system to relative 2d where X,Y and Z are [0.0 .. 1.0])
+    {
+        const basegfx::B3DHomMatrix aWorldToCamera(aOrientation * aTransformation);
+        basegfx::B3DRange aCameraRange(rContentRange);
+        aCameraRange.transform(aWorldToCamera);
+
+        // remember Z-Values, but change orientation
+        const double fMinZ(-aCameraRange.getMaxZ());
+        const double fMaxZ(-aCameraRange.getMinZ());
+
+        // construct temporary matrix from world to device. Use unit values here to measure expansion
+        basegfx::B3DHomMatrix aWorldToDevice(aWorldToCamera);
+        const drawinglayer::attribute::SdrSceneAttribute& rSdrSceneAttribute = getSdrSceneAttribute();
+
+        if(css::drawing::ProjectionMode_PERSPECTIVE == rSdrSceneAttribute.getProjectionMode())
+        {
+            aWorldToDevice.frustum(-1.0, 1.0, -1.0, 1.0, fMinZ, fMaxZ);
+        }
+        else
+        {
+            aWorldToDevice.ortho(-1.0, 1.0, -1.0, 1.0, fMinZ, fMaxZ);
+        }
+
+        // create B3DRange in device. This will create the real used ranges
+        // in camera space. Do not use the Z-Values, though.
+        basegfx::B3DRange aDeviceRange(rContentRange);
+        aDeviceRange.transform(aWorldToDevice);
+
+        // set projection
+        if(css::drawing::ProjectionMode_PERSPECTIVE == rSdrSceneAttribute.getProjectionMode())
+        {
+            aProjection.frustum(
+                aDeviceRange.getMinX(), aDeviceRange.getMaxX(),
+                aDeviceRange.getMinY(), aDeviceRange.getMaxY(),
+                fMinZ, fMaxZ);
+        }
+        else
+        {
+            aProjection.ortho(
+                aDeviceRange.getMinX(), aDeviceRange.getMaxX(),
+                aDeviceRange.getMinY(), aDeviceRange.getMaxY(),
+                fMinZ, fMaxZ);
+        }
+    }
+
+    // create device to view transform
+    {
+        // create standard deviceToView projection for geometry
+        // input is [-1.0 .. 1.0] in X,Y and Z. bring to [0.0 .. 1.0]. Also
+        // necessary to flip Y due to screen orientation
+        // Z is not needed, but will also be brought to [0.0 .. 1.0]
+        aDeviceToView.scale(0.5, -0.5, 0.5);
+        aDeviceToView.translate(0.5, 0.5, 0.5);
+    }
+
+    const uno::Sequence< beans::PropertyValue > aEmptyProperties;
+    maViewInformation3D = drawinglayer::geometry::ViewInformation3D(
+        aTransformation, aOrientation, aProjection,
+        aDeviceToView, 0.0, aEmptyProperties);
+}
+
+void ViewContactOfE3dScene::createObjectTransformation()
+{
+    // create 2d Object Transformation from relative point in 2d scene to world
+    const tools::Rectangle aRectangle(GetE3dScene().GetSnapRect());
+
+    maObjectTransformation.set(0, 0, aRectangle.getWidth());
+    maObjectTransformation.set(1, 1, aRectangle.getHeight());
+    maObjectTransformation.set(0, 2, aRectangle.Left());
+    maObjectTransformation.set(1, 2, aRectangle.Top());
+}
+
+void ViewContactOfE3dScene::createSdrSceneAttribute()
+{
+    const SfxItemSet& rItemSet = GetE3dScene().GetMergedItemSet();
+    maSdrSceneAttribute = drawinglayer::primitive2d::createNewSdrSceneAttribute(rItemSet);
+}
+
+void ViewContactOfE3dScene::createSdrLightingAttribute()
+{
+    const SfxItemSet& rItemSet = GetE3dScene().GetMergedItemSet();
+    maSdrLightingAttribute = drawinglayer::primitive2d::createNewSdrLightingAttribute(rItemSet);
+}
+
+drawinglayer::primitive2d::Primitive2DContainer ViewContactOfE3dScene::createScenePrimitive2DSequence(
+    const SdrLayerIDSet* pLayerVisibility) const
+{
+    drawinglayer::primitive2d::Primitive2DContainer xRetval;
+    const sal_uInt32 nChildrenCount(GetObjectCount());
+
+    if(nChildrenCount)
+    {
+        // create 3d scene primitive with visible content tested against rLayerVisibility
+        drawinglayer::primitive3d::Primitive3DContainer aAllSequence;
+        drawinglayer::primitive3d::Primitive3DContainer aVisibleSequence;
+        const bool bTestLayerVisibility(nullptr != pLayerVisibility);
+        const bool bTestSelectedVisibility(GetE3dScene().GetDrawOnlySelected());
+        const bool bTestVisibility(bTestLayerVisibility || bTestSelectedVisibility);
+
+        // add children recursively. Do NOT start with (*this), this would create
+        // a 3D transformPrimitive for the start scene. While this is theoretically not
+        // a bad thing, for historical reasons the transformation of the outmost scene
+        // is seen as part of the ViewTransformation (see text in createViewInformation3D)
+        for(sal_uInt32 a(0); a < nChildrenCount; a++)
+        {
+            createSubPrimitive3DVector(
+                GetViewContact(a),
+                aAllSequence,
+                bTestLayerVisibility ? &aVisibleSequence : nullptr,
+                bTestLayerVisibility ? pLayerVisibility : nullptr,
+                bTestSelectedVisibility);
+        }
+
+        const size_t nAllSize(!aAllSequence.empty() ? aAllSequence.size() : 0);
+        const size_t nVisibleSize(!aVisibleSequence.empty() ? aVisibleSequence.size() : 0);
+
+        if((bTestVisibility && nVisibleSize) || nAllSize)
+        {
+            // for getting the 3D range using getB3DRangeFromPrimitive3DContainer a ViewInformation3D
+            // needs to be given for evtl. decompositions. At the same time createViewInformation3D
+            // currently is based on creating the target-ViewInformation3D using a given range. To
+            // get the true range, use a neutral ViewInformation3D here. This leaves all matrices
+            // on identity and the time on 0.0.
+            const uno::Sequence< beans::PropertyValue > aEmptyProperties;
+            const drawinglayer::geometry::ViewInformation3D aNeutralViewInformation3D(aEmptyProperties);
+            const basegfx::B3DRange aContentRange(aAllSequence.getB3DRange(aNeutralViewInformation3D));
+
+            // create 2d primitive 3dscene with generated sub-list from collector
+            const drawinglayer::primitive2d::Primitive2DReference xReference(
+                new drawinglayer::primitive2d::ScenePrimitive2D(
+                    bTestVisibility ? aVisibleSequence : aAllSequence,
+                    getSdrSceneAttribute(),
+                    getSdrLightingAttribute(),
+                    getObjectTransformation(),
+                    getViewInformation3D(aContentRange)));
+
+            xRetval = drawinglayer::primitive2d::Primitive2DContainer{ xReference };
+        }
+    }
+
+    // always append an invisible outline for the cases where no visible content exists
+    xRetval.push_back(
+        drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
+            getObjectTransformation()));
+
+    return xRetval;
+}
+
+drawinglayer::primitive2d::Primitive2DContainer ViewContactOfE3dScene::createViewIndependentPrimitive2DSequence() const
+{
+    drawinglayer::primitive2d::Primitive2DContainer xRetval;
+
+    if(GetObjectCount())
+    {
+        // create a default ScenePrimitive2D (without visibility test of members)
+        xRetval = createScenePrimitive2DSequence(nullptr);
+    }
+
+    return xRetval;
+}
+
+void ViewContactOfE3dScene::ActionChanged()
+{
+    // call parent
+    ViewContactOfSdrObj::ActionChanged();
+
+    // mark locally cached values as invalid
+    maViewInformation3D = drawinglayer::geometry::ViewInformation3D();
+    maObjectTransformation.identity();
+    maSdrSceneAttribute = drawinglayer::attribute::SdrSceneAttribute();
+    maSdrLightingAttribute = drawinglayer::attribute::SdrLightingAttribute();
+}
+
+const drawinglayer::geometry::ViewInformation3D& ViewContactOfE3dScene::getViewInformation3D() const
+{
+    if(maViewInformation3D.isDefault())
+    {
+        // this version will create the content range on demand locally and thus is less
+        // performant than the other one. Since the information is buffered the planned
+        // behaviour is that the version with the given range is used initially.
+        basegfx::B3DRange aContentRange(getAllContentRange3D());
+
+        if(aContentRange.isEmpty())
+        {
+            // empty scene, no 3d action should be necessary. Prepare some
+            // fallback size
+            OSL_FAIL("No need to get ViewInformation3D from an empty scene (!)");
+            aContentRange.expand(basegfx::B3DPoint(-100.0, -100.0, -100.0));
+            aContentRange.expand(basegfx::B3DPoint( 100.0,  100.0,  100.0));
+        }
+
+        const_cast < ViewContactOfE3dScene* >(this)->createViewInformation3D(aContentRange);
+    }
+
+    return maViewInformation3D;
+}
+
+const drawinglayer::geometry::ViewInformation3D& ViewContactOfE3dScene::getViewInformation3D(const basegfx::B3DRange& rContentRange) const
+{
+    if(maViewInformation3D.isDefault())
+    {
+        const_cast < ViewContactOfE3dScene* >(this)->createViewInformation3D(rContentRange);
+    }
+
+    return maViewInformation3D;
+}
+
+const basegfx::B2DHomMatrix& ViewContactOfE3dScene::getObjectTransformation() const
+{
+    if(maObjectTransformation.isIdentity())
+    {
+        const_cast < ViewContactOfE3dScene* >(this)->createObjectTransformation();
+    }
+
+    return maObjectTransformation;
+}
+
+const drawinglayer::attribute::SdrSceneAttribute& ViewContactOfE3dScene::getSdrSceneAttribute() const
+{
+    if(maSdrSceneAttribute.isDefault())
+    {
+        const_cast < ViewContactOfE3dScene* >(this)->createSdrSceneAttribute();
+    }
+
+    return maSdrSceneAttribute;
+}
+
+const drawinglayer::attribute::SdrLightingAttribute& ViewContactOfE3dScene::getSdrLightingAttribute() const
+{
+    if(maSdrLightingAttribute.isDefault())
+    {
+        const_cast < ViewContactOfE3dScene* >(this)->createSdrLightingAttribute();
+    }
+
+    return maSdrLightingAttribute;
+}
+
+drawinglayer::primitive3d::Primitive3DContainer ViewContactOfE3dScene::getAllPrimitive3DContainer() const
+{
+    drawinglayer::primitive3d::Primitive3DContainer aAllPrimitive3DContainer;
+    const sal_uInt32 nChildrenCount(GetObjectCount());
+
+    // add children recursively. Do NOT start with (*this), this would create
+    // a 3D transformPrimitive for the start scene. While this is theoretically not
+    // a bad thing, for historical reasons the transformation of the outmost scene
+    // is seen as part of the ViewTransformation (see text in createViewInformation3D)
+    for(sal_uInt32 a(0); a < nChildrenCount; a++)
+    {
+        createSubPrimitive3DVector(GetViewContact(a), aAllPrimitive3DContainer, nullptr, nullptr, false);
+    }
+
+    return aAllPrimitive3DContainer;
+}
+
+basegfx::B3DRange ViewContactOfE3dScene::getAllContentRange3D() const
+{
+    const drawinglayer::primitive3d::Primitive3DContainer xAllSequence(getAllPrimitive3DContainer());
+    basegfx::B3DRange aAllContentRange3D;
+
+    if(!xAllSequence.empty())
+    {
+        // for getting the 3D range using getB3DRangeFromPrimitive3DContainer a ViewInformation3D
+        // needs to be given for evtl. decompositions. Use a neutral ViewInformation3D here. This
+        // leaves all matrices on identity and the time on 0.0.
+        const uno::Sequence< beans::PropertyValue > aEmptyProperties;
+        const drawinglayer::geometry::ViewInformation3D aNeutralViewInformation3D(aEmptyProperties);
+
+        aAllContentRange3D = xAllSequence.getB3DRange(aNeutralViewInformation3D);
+    }
+
+    return aAllContentRange3D;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */