Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 176 insertions, 0 deletions

diff --git a/svx/source/svdraw/sdrhittesthelper.cxx b/svx/source/svdraw/sdrhittesthelper.cxx
new file mode 100644
index 000000000..62ebde956
--- /dev/null
+++ b/svx/source/svdraw/sdrhittesthelper.cxx
@@ -0,0 +1,176 @@
+/* -*- 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/sdrhittesthelper.hxx>
+#include <svx/obj3d.hxx>
+#include <svx/helperhittest3d.hxx>
+#include <svx/svdpage.hxx>
+#include <svx/sdrpagewindow.hxx>
+#include <svx/sdr/contact/viewobjectcontact.hxx>
+#include <svx/sdr/contact/displayinfo.hxx>
+#include <svx/sdr/contact/objectcontact.hxx>
+#include <drawinglayer/processor2d/hittestprocessor2d.hxx>
+#include <svx/svdpagv.hxx>
+#include <svx/sdr/contact/viewcontact.hxx>
+
+
+// #i101872# new Object HitTest as View-tooling
+
+SdrObject* SdrObjectPrimitiveHit(
+    const SdrObject& rObject,
+    const Point& rPnt,
+    sal_uInt16 nTol,
+    const SdrPageView& rSdrPageView,
+    const SdrLayerIDSet* pVisiLayer,
+    bool bTextOnly,
+    drawinglayer::primitive2d::Primitive2DContainer* pHitContainer)
+{
+    SdrObject* pResult = nullptr;
+
+    if(rObject.GetSubList() && rObject.GetSubList()->GetObjCount())
+    {
+        // group or scene with content. Single 3D objects also have a
+        // true == rObject.GetSubList(), but no content
+        pResult = SdrObjListPrimitiveHit(*rObject.GetSubList(), rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
+    }
+    else
+    {
+        if( rObject.IsVisible() && (!pVisiLayer || pVisiLayer->IsSet(rObject.GetLayer())))
+        {
+            // single object, 3d object, empty scene or empty group. Check if
+            // it's a single 3D object
+            const E3dCompoundObject* pE3dCompoundObject = dynamic_cast< const E3dCompoundObject* >(&rObject);
+
+            if(pE3dCompoundObject)
+            {
+                const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
+
+                if(checkHitSingle3DObject(aHitPosition, *pE3dCompoundObject))
+                {
+                    pResult = const_cast< E3dCompoundObject* >(pE3dCompoundObject);
+                }
+            }
+            else
+            {
+                // not a single 3D object; Check in first PageWindow using primitives (only SC
+                // with split views uses multiple PageWindows nowadays)
+                if(rSdrPageView.PageWindowCount())
+                {
+                    const double fLogicTolerance(nTol);
+                    const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
+                    const sdr::contact::ViewObjectContact& rVOC = rObject.GetViewContact().GetViewObjectContact(
+                        rSdrPageView.GetPageWindow(0)->GetObjectContact());
+
+                    if(ViewObjectContactPrimitiveHit(rVOC, aHitPosition, fLogicTolerance, bTextOnly, pHitContainer))
+                    {
+                          pResult = const_cast< SdrObject* >(&rObject);
+                    }
+                }
+            }
+        }
+    }
+
+    return pResult;
+}
+
+
+SdrObject* SdrObjListPrimitiveHit(
+    const SdrObjList& rList,
+    const Point& rPnt,
+    sal_uInt16 nTol,
+    const SdrPageView& rSdrPageView,
+    const SdrLayerIDSet* pVisiLayer,
+    bool bTextOnly)
+{
+    size_t nObjNum(rList.GetObjCount());
+    SdrObject* pRetval = nullptr;
+
+    while(!pRetval && nObjNum > 0)
+    {
+        nObjNum--;
+        SdrObject* pObj = rList.GetObj(nObjNum);
+
+        pRetval = SdrObjectPrimitiveHit(*pObj, rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
+    }
+
+    return pRetval;
+}
+
+
+bool ViewObjectContactPrimitiveHit(
+    const sdr::contact::ViewObjectContact& rVOC,
+    const basegfx::B2DPoint& rHitPosition,
+    double fLogicHitTolerance,
+    bool bTextOnly,
+    drawinglayer::primitive2d::Primitive2DContainer* pHitContainer)
+{
+    basegfx::B2DRange aObjectRange(rVOC.getObjectRange());
+
+    if(!aObjectRange.isEmpty())
+    {
+        // first do a rough B2DRange based HitTest; do not forget to
+        // include the HitTolerance if given
+        if(basegfx::fTools::more(fLogicHitTolerance, 0.0))
+        {
+            aObjectRange.grow(fLogicHitTolerance);
+        }
+
+        if(aObjectRange.isInside(rHitPosition))
+        {
+            // get primitive sequence
+            sdr::contact::DisplayInfo aDisplayInfo;
+            // have to make a copy of this container here, because it might be changed underneath us
+            const drawinglayer::primitive2d::Primitive2DContainer aSequence(rVOC.getPrimitive2DSequence(aDisplayInfo));
+
+            if(!aSequence.empty())
+            {
+                // create a HitTest processor
+                const drawinglayer::geometry::ViewInformation2D& rViewInformation2D = rVOC.GetObjectContact().getViewInformation2D();
+                drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
+                    rViewInformation2D,
+                    rHitPosition,
+                    fLogicHitTolerance,
+                    bTextOnly);
+
+                // ask for HitStack
+                aHitTestProcessor2D.collectHitStack(pHitContainer != nullptr);
+
+                // feed it with the primitives
+                aHitTestProcessor2D.process(aSequence);
+
+                // deliver result
+                if (aHitTestProcessor2D.getHit())
+                {
+                    if (pHitContainer)
+                    {
+                        // fetch HitStack primitives if requested
+                        *pHitContainer = aHitTestProcessor2D.getHitStack();
+                    }
+
+                    return true;
+                }
+            }
+        }
+    }
+
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */