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/sw/inc/ndgrf.hxx b/sw/inc/ndgrf.hxx
new file mode 100644
index 000000000..391dc82d6
--- /dev/null
+++ b/sw/inc/ndgrf.hxx
@@ -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 .
+ */
+
+#ifndef INCLUDED_SW_INC_NDGRF_HXX
+#define INCLUDED_SW_INC_NDGRF_HXX
+
+#include <sfx2/lnkbase.hxx>
+#include <vcl/GraphicObject.hxx>
+#include "ndnotxt.hxx"
+#include <memory>
+
+class SwAsyncRetrieveInputStreamThreadConsumer;
+
+class SwGrfFormatColl;
+class SwDoc;
+
+// SwGrfNode
+class SW_DLLPUBLIC SwGrfNode final: public SwNoTextNode
+{
+    friend class SwNodes;
+
+    GraphicObject maGrfObj;
+    std::unique_ptr<GraphicObject> mpReplacementGraphic;
+    tools::SvRef<sfx2::SvBaseLink> mxLink;       ///< If graphics only as link then pointer is set.
+    Size mnGrfSize;
+    bool mbInSwapIn              :1; // to avoid recursion in SwGrfNode::SwapIn
+    bool mbInBaseLinkSwapIn      :1; // to avoid recursion in SwBaseLink::SwapIn
+
+    bool mbChangeTwipSize           :1;
+    bool mbFrameInPaint          :1; ///< To avoid Start-/EndActions in Paint via SwapIn.
+    bool mbScaleImageMap         :1; ///< Scale image map in SetTwipSize.
+
+    std::shared_ptr< SwAsyncRetrieveInputStreamThreadConsumer > mpThreadConsumer;
+    bool mbLinkedInputStreamReady;
+    css::uno::Reference<css::io::XInputStream> mxInputStream;
+    bool mbIsStreamReadOnly;
+
+    SwGrfNode( const SwNodeIndex& rWhere,
+               const OUString& rGrfName, const OUString& rFltName,
+               const Graphic* pGraphic,
+               SwGrfFormatColl* pGrfColl,
+               SwAttrSet const * pAutoAttr );
+    ///< Ctor for reading (SW/G) without graphics.
+    SwGrfNode( const SwNodeIndex& rWhere,
+               std::u16string_view rGrfName, const OUString& rFltName,
+               SwGrfFormatColl* pGrfColl,
+               SwAttrSet const * pAutoAttr );
+    SwGrfNode( const SwNodeIndex& rWhere,
+               const GraphicObject& rGrfObj,
+               SwGrfFormatColl* pGrfColl,
+               SwAttrSet const * pAutoAttr );
+
+    void InsertLink( std::u16string_view rGrfName, const OUString& rFltName );
+
+    /// allow reaction on change of content of GraphicObject, so always call
+    /// when GraphicObject content changes
+    void onGraphicChanged();
+
+public:
+    virtual ~SwGrfNode() override;
+    const Graphic&          GetGrf(bool bWait = false) const;
+    const GraphicObject&    GetGrfObj(bool bWait = false) const;
+    const GraphicObject* GetReplacementGrfObj() const;
+
+    /// isolated only way to set GraphicObject to allow more actions when doing so
+    void SetGraphic(const Graphic& rGraphic);
+    void TriggerGraphicArrived();
+
+    /// wrappers for non-const calls at GraphicObject
+    void StartGraphicAnimation(OutputDevice* pOut, const Point& rPt, const Size& rSz, tools::Long nExtraData, OutputDevice* pFirstFrameOutDev)
+    { maGrfObj.StartAnimation(*pOut, rPt, rSz, nExtraData, pFirstFrameOutDev); }
+    void StopGraphicAnimation(const OutputDevice* pOut, tools::Long nExtraData) { maGrfObj.StopAnimation(pOut, nExtraData); }
+
+    virtual Size GetTwipSize() const override;
+    void SetTwipSize( const Size& rSz );
+
+    bool IsTransparent() const;
+
+    bool IsAnimated() const              { return maGrfObj.IsAnimated(); }
+
+    bool IsChgTwipSize() const           { return mbChangeTwipSize; }
+    void SetChgTwipSize( bool b)
+    {
+        mbChangeTwipSize = b;
+    }
+
+    bool IsFrameInPaint() const          { return mbFrameInPaint; }
+    void SetFrameInPaint( bool b )       { mbFrameInPaint = b; }
+
+    bool IsScaleImageMap() const         { return mbScaleImageMap; }
+    void SetScaleImageMap( bool b )      { mbScaleImageMap = b; }
+
+    /// in ndcopy.cxx
+    virtual SwContentNode* MakeCopy(SwDoc&, const SwNodeIndex&, bool bNewFrames) const override;
+
+    /** Re-read in case graphic was not OK. The current one
+       gets replaced by the new one. */
+    bool ReRead( const OUString& rGrfName, const OUString& rFltName,
+                 const Graphic* pGraphic = nullptr,
+                 bool bModify = true );
+private:
+    /// Loading of graphic immediately before displaying.
+    bool SwapIn( bool bWaitForData = false );
+
+public:
+    bool HasEmbeddedStreamName() const { return maGrfObj.HasUserData(); }
+
+    /// Communicate to graphic that node is in Undo-range.
+    virtual bool SavePersistentData() override;
+    virtual bool RestorePersistentData() override;
+
+    /// Query link-data.
+    bool IsGrfLink() const                  { return mxLink.is(); }
+    bool IsLinkedFile() const;
+    bool IsLinkedDDE() const;
+    const tools::SvRef<sfx2::SvBaseLink>& GetLink() const    { return mxLink; }
+    bool GetFileFilterNms( OUString* pFileNm, OUString* pFilterNm ) const;
+    void ReleaseLink();
+
+    /** Scale an image-map: the image-map becomes zoomed in / out by
+       factor between graphic-size and border-size. */
+    void ScaleImageMap();
+
+    /// Returns the with our graphic attributes filled Graphic-Attr-Structure.
+    GraphicAttr& GetGraphicAttr( GraphicAttr&, const SwFrame* pFrame ) const;
+
+    std::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > GetThreadConsumer() const { return mpThreadConsumer;}
+    bool IsLinkedInputStreamReady() const { return mbLinkedInputStreamReady;}
+    void TriggerAsyncRetrieveInputStream();
+    void ApplyInputStream(
+        const css::uno::Reference<css::io::XInputStream>& xInputStream,
+        const bool bIsStreamReadOnly );
+    void UpdateLinkWithInputStream();
+    bool IsAsyncRetrieveInputStreamPossible() const;
+};
+
+// Inline methods from Node.hxx - it is only now that we know TextNode!!
+inline       SwGrfNode   *SwNode::GetGrfNode()
+{
+     return SwNodeType::Grf == m_nNodeType ? static_cast<SwGrfNode*>(this) : nullptr;
+}
+
+inline const SwGrfNode   *SwNode::GetGrfNode() const
+{
+     return SwNodeType::Grf == m_nNodeType ? static_cast<const SwGrfNode*>(this) : nullptr;
+}
+
+inline bool SwGrfNode::IsLinkedFile() const
+{
+    return mxLink.is() && sfx2::SvBaseLinkObjectType::ClientGraphic == mxLink->GetObjType();
+}
+
+inline bool SwGrfNode::IsLinkedDDE() const
+{
+    return mxLink.is() && sfx2::SvBaseLinkObjectType::ClientDde == mxLink->GetObjType();
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */