1 files changed, 121 insertions, 0 deletions
diff --git a/svx/source/sdr/misc/ImageMapInfo.cxx b/svx/source/sdr/misc/ImageMapInfo.cxx
new file mode 100644
index 0000000000..ac141d253d
--- /dev/null
+++ b/svx/source/sdr/misc/ImageMapInfo.cxx
@@ -0,0 +1,121 @@
+/* -*- 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 <vcl/imapobj.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/outdev.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(const SdrObject* pObj, const Point& rWinPoint,
+                                          const OutputDevice* pCmpWnd)
+{
+    SvxIMapInfo* pIMapInfo = GetIMapInfo(pObj);
+    IMapObject* pIMapObj = nullptr;
+
+    if (pIMapInfo)
+    {
+        const MapMode aMap100(MapUnit::Map100thMM);
+        Size aGraphSize;
+        Point aRelPoint(rWinPoint);
+        const ImageMap& rImageMap = pIMapInfo->GetImageMap();
+        tools::Rectangle aRect = pObj->GetLogicRect();
+
+        if (pCmpWnd)
+        {
+            MapMode aWndMode = pCmpWnd->GetMapMode();
+            aRelPoint = pCmpWnd->LogicToLogic(rWinPoint, &aWndMode, &aMap100);
+            aRect = pCmpWnd->LogicToLogic(pObj->GetLogicRect(), &aWndMode, &aMap100);
+        }
+
+        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().release()));
+
+            // Undo rotation
+            if (rGeo.m_nRotationAngle)
+                RotatePoint(aRelPoint, aRect.TopLeft(), -rGeo.mfSinRotationAngle,
+                            rGeo.mfCosRotationAngle);
+
+            // Undo mirroring
+            if (pGeoData->bMirrored)
+                aRelPoint.setX(aRect.Right() + aRect.Left() - aRelPoint.X());
+
+            // Undo shearing
+            if (rGeo.m_nShearAngle)
+                ShearPoint(aRelPoint, aRect.TopLeft(), -rGeo.mfTanShearAngle);
+
+            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 -= aRect.TopLeft();
+            pIMapObj = rImageMap.GetHitIMapObject(aGraphSize, aRect.GetSize(), aRelPoint);
+
+            // We don't care about deactivated objects
+            if (pIMapObj && !pIMapObj->IsActive())
+                pIMapObj = nullptr;
+        }
+    }
+
+    return pIMapObj;
+}