Move ImageMap related functions to svx

So that in can be used from slideshow module

Change-Id: I105582cf523a454701963a253ba39054f09730e8
Reviewed-on: https://gerrit.libreoffice.org/78156
Tested-by: Jenkins
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

2 files changed, 123 insertions, 0 deletions

diff --git a/svx/Library_svxcore.mk b/svx/Library_svxcore.mk
index 4aca86ba0fb5..aa5c744d7409 100644
--- a/svx/Library_svxcore.mk
+++ b/svx/Library_svxcore.mk
@@ -235,6 +235,7 @@ $(eval $(call gb_Library_add_exception_objects,svxcore,\
     svx/source/sdr/overlay/overlaymanager \
     svx/source/sdr/overlay/overlayobjectlist \
     svx/source/sdr/overlay/overlayhandle \
+    svx/source/sdr/misc/ImageMapInfo \
     svx/source/sdr/primitive2d/sdrellipseprimitive2d \
     svx/source/sdr/primitive2d/sdrprimitivetools \
     svx/source/sdr/primitive2d/sdrtextprimitive2d \
diff --git a/svx/source/sdr/misc/ImageMapInfo.cxx b/svx/source/sdr/misc/ImageMapInfo.cxx
new file mode 100644
index 000000000000..ca820a240b82
--- /dev/null
+++ b/svx/source/sdr/misc/ImageMapInfo.cxx
@@ -0,0 +1,122 @@
+/* -*- 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/ImageMapInfo.hxx>
+
+#include <svx/svdobj.hxx>
+#include <svx/svdograf.hxx>
+#include <svx/svdoole2.hxx>
+#include <svx/unoshape.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/window.hxx>
+#include <vcl/imapobj.hxx>
+
+SvxIMapInfo* SvxIMapInfo::GetIMapInfo(SdrObject const* pObject)
+{
+    assert(pObject);
+
+    SvxIMapInfo* pIMapInfo = nullptr;
+    sal_uInt16 nCount = pObject->GetUserDataCount();
+
+    // Can we find IMap information within the user data?
+    for (sal_uInt16 i = 0; i < nCount; i++)
+    {
+        SdrObjUserData* pUserData = pObject->GetUserData(i);
+
+        if ((pUserData->GetInventor() == SdrInventor::StarDrawUserData)
+            && (pUserData->GetId() == SVX_IMAPINFO_ID))
+            pIMapInfo = static_cast<SvxIMapInfo*>(pUserData);
+    }
+
+    return pIMapInfo;
+}
+
+IMapObject* SvxIMapInfo::GetHitIMapObject(SdrObject const* pObj, const Point& rWinPoint)
+{
+    SvxIMapInfo* pIMapInfo = GetIMapInfo(pObj);
+    IMapObject* pIMapObj = nullptr;
+
+    if (pIMapInfo)
+    {
+        const MapMode aMap100(MapUnit::Map100thMM);
+        Size aGraphSize;
+        Point aRelPoint(rWinPoint);
+        ImageMap& rImageMap = const_cast<ImageMap&>(pIMapInfo->GetImageMap());
+        const ::tools::Rectangle& rRect = pObj->GetLogicRect();
+        bool bObjSupported = false;
+
+        // execute HitTest
+        if (auto pGrafObj = dynamic_cast<const SdrGrafObj*>(pObj)) // simple graphics object
+        {
+            const GeoStat& rGeo = pGrafObj->GetGeoStat();
+            std::unique_ptr<SdrGrafObjGeoData> pGeoData(
+                static_cast<SdrGrafObjGeoData*>(pGrafObj->GetGeoData()));
+
+            // Undo rotation
+            if (rGeo.nRotationAngle)
+                RotatePoint(aRelPoint, rRect.TopLeft(), -rGeo.nSin, rGeo.nCos);
+
+            // Undo mirroring
+            if (pGeoData->bMirrored)
+                aRelPoint.setX(rRect.Right() + rRect.Left() - aRelPoint.X());
+
+            // Undo shearing
+            if (rGeo.nShearAngle)
+                ShearPoint(aRelPoint, rRect.TopLeft(), -rGeo.nTan);
+
+            if (pGrafObj->GetGrafPrefMapMode().GetMapUnit() == MapUnit::MapPixel)
+                aGraphSize = Application::GetDefaultDevice()->PixelToLogic(
+                    pGrafObj->GetGrafPrefSize(), aMap100);
+            else
+                aGraphSize = OutputDevice::LogicToLogic(pGrafObj->GetGrafPrefSize(),
+                                                        pGrafObj->GetGrafPrefMapMode(), aMap100);
+
+            bObjSupported = true;
+        }
+        else if (auto pOleObj = dynamic_cast<const SdrOle2Obj*>(pObj)) // OLE object
+        {
+            aGraphSize = pOleObj->GetOrigObjSize();
+            bObjSupported = true;
+        }
+
+        // Everything worked out well, thus execute HitTest
+        if (bObjSupported)
+        {
+            // Calculate relative position of mouse cursor
+            aRelPoint -= rRect.TopLeft();
+            pIMapObj = rImageMap.GetHitIMapObject(aGraphSize, rRect.GetSize(), aRelPoint);
+
+            // We don't care about deactivated objects
+            if (pIMapObj && !pIMapObj->IsActive())
+                pIMapObj = nullptr;
+        }
+    }
+
+    return pIMapObj;
+}
+
+ImageMap* SvxIMapInfo::GetImageMapForObject(SdrObject* pObj)
+{
+    SvxIMapInfo* pIMapInfo = GetIMapInfo(pObj);
+    if (pIMapInfo)
+    {
+        return const_cast<ImageMap*>(&(pIMapInfo->GetImageMap()));
+    }
+    return nullptr;
+}
\ No newline at end of file