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, 224 insertions, 0 deletions

diff --git a/vcl/inc/impgraph.hxx b/vcl/inc/impgraph.hxx
new file mode 100644
index 000000000..81db551e4
--- /dev/null
+++ b/vcl/inc/impgraph.hxx
@@ -0,0 +1,224 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <vcl/dllapi.h>
+#include <vcl/GraphicExternalLink.hxx>
+#include <vcl/gdimtf.hxx>
+#include <vcl/graph.hxx>
+#include "graphic/Manager.hxx"
+#include "graphic/GraphicID.hxx"
+#include <optional>
+
+struct ImpSwapInfo
+{
+    MapMode     maPrefMapMode;
+    Size        maPrefSize;
+    Size        maSizePixel;
+
+    bool mbIsAnimated;
+    bool mbIsEPS;
+    bool mbIsTransparent;
+    bool mbIsAlpha;
+
+    sal_uInt32 mnAnimationLoopCount;
+    sal_Int32 mnPageIndex;
+};
+
+class OutputDevice;
+class GfxLink;
+class ImpSwapFile;
+class GraphicConversionParameters;
+class ImpGraphic;
+
+enum class GraphicContentType : sal_Int32
+{
+    Bitmap,
+    Animation,
+    Vector
+};
+
+class VCL_DLLPUBLIC ImpGraphic final
+{
+    friend class Graphic;
+    friend class GraphicID;
+    friend class vcl::graphic::Manager;
+
+private:
+
+    GDIMetaFile                  maMetaFile;
+    BitmapEx                     maBitmapEx;
+    /// If maBitmapEx is empty, this preferred size will be set on it when it gets initialized.
+    Size                         maExPrefSize;
+    ImpSwapInfo                  maSwapInfo;
+    std::unique_ptr<Animation>   mpAnimation;
+    std::shared_ptr<GraphicReader> mpContext;
+    std::shared_ptr<ImpSwapFile> mpSwapFile;
+    std::shared_ptr<GfxLink>     mpGfxLink;
+    GraphicType                  meType;
+    mutable sal_uLong            mnSizeBytes;
+    bool                         mbSwapOut;
+    bool                         mbDummyContext;
+    std::shared_ptr<VectorGraphicData> maVectorGraphicData;
+    // cache checksum computation
+    mutable BitmapChecksum       mnChecksum = 0;
+
+    std::optional<GraphicID>     mxGraphicID;
+    GraphicExternalLink          maGraphicExternalLink;
+
+    std::chrono::high_resolution_clock::time_point maLastUsed;
+    bool mbPrepared;
+
+public:
+    ImpGraphic();
+    ImpGraphic( const ImpGraphic& rImpGraphic );
+    ImpGraphic( ImpGraphic&& rImpGraphic ) noexcept;
+    ImpGraphic( const GraphicExternalLink& rExternalLink);
+    ImpGraphic(std::shared_ptr<GfxLink> const& rGfxLink, sal_Int32 nPageIndex = 0);
+    ImpGraphic( const BitmapEx& rBmpEx );
+    ImpGraphic(const std::shared_ptr<VectorGraphicData>& rVectorGraphicDataPtr);
+    ImpGraphic( const Animation& rAnimation );
+    ImpGraphic( const GDIMetaFile& rMtf );
+    ~ImpGraphic();
+
+    void setPrepared(bool bAnimated, const Size* pSizeHint);
+
+private:
+
+    ImpGraphic&         operator=( const ImpGraphic& rImpGraphic );
+    ImpGraphic&         operator=( ImpGraphic&& rImpGraphic );
+    bool                operator==( const ImpGraphic& rImpGraphic ) const;
+    bool                operator!=( const ImpGraphic& rImpGraphic ) const { return !( *this == rImpGraphic ); }
+
+    OUString const & getOriginURL() const
+    {
+        return maGraphicExternalLink.msURL;
+    }
+
+    void setOriginURL(OUString const & rOriginURL)
+    {
+        maGraphicExternalLink.msURL = rOriginURL;
+    }
+
+    OString getUniqueID()
+    {
+        if (!mxGraphicID)
+            mxGraphicID.emplace(*this);
+        return mxGraphicID->getIDString();
+    }
+
+    void createSwapInfo();
+    void restoreFromSwapInfo();
+
+    void                clearGraphics();
+    void                clear();
+
+    GraphicType         getType() const { return meType;}
+    void                setDefaultType();
+    bool                isSupportedGraphic() const;
+
+    bool                isTransparent() const;
+    bool                isAlpha() const;
+    bool                isAnimated() const;
+    bool                isEPS() const;
+
+    bool isAvailable() const;
+    bool makeAvailable();
+
+    Bitmap              getBitmap(const GraphicConversionParameters& rParameters) const;
+    BitmapEx            getBitmapEx(const GraphicConversionParameters& rParameters) const;
+    /// Gives direct access to the contained BitmapEx.
+    const BitmapEx&     getBitmapExRef() const;
+    Animation           getAnimation() const;
+    const GDIMetaFile&  getGDIMetaFile() const;
+
+    Size                getSizePixel() const;
+
+    Size                getPrefSize() const;
+    void                setPrefSize( const Size& rPrefSize );
+
+    MapMode             getPrefMapMode() const;
+    void                setPrefMapMode( const MapMode& rPrefMapMode );
+
+    sal_uLong           getSizeBytes() const;
+
+    void                draw(OutputDevice& rOutDev, const Point& rDestPt) const;
+    void                draw(OutputDevice& rOutDev, const Point& rDestPt,
+                             const Size& rDestSize) const;
+
+    void                startAnimation(OutputDevice& rOutDev,
+                                       const Point& rDestPt,
+                                       const Size& rDestSize,
+                                       tools::Long nExtraData,
+                                       OutputDevice* pFirstFrameOutDev);
+    void                stopAnimation( const OutputDevice* pOutputDevice,
+                                           tools::Long nExtraData );
+
+    void                setAnimationNotifyHdl( const Link<Animation*,void>& rLink );
+    Link<Animation*,void> getAnimationNotifyHdl() const;
+
+    sal_uInt32          getAnimationLoopCount() const;
+
+private:
+    // swapping methods
+    bool swapInFromStream(SvStream& rStream);
+    bool swapInGraphic(SvStream& rStream);
+
+    bool swapInContent(SvStream& rStream);
+    bool swapOutContent(SvStream& rStream);
+    bool swapOutGraphic(SvStream& rStream);
+    // end swapping
+
+    std::shared_ptr<GraphicReader>& getContext() { return mpContext;}
+    void                setContext( const std::shared_ptr<GraphicReader>& pReader );
+    void                setDummyContext( bool value ) { mbDummyContext = value; }
+    bool                isDummyContext() const { return mbDummyContext; }
+    void                setGfxLink( const std::shared_ptr<GfxLink>& );
+    const std::shared_ptr<GfxLink> & getSharedGfxLink() const;
+    GfxLink             getGfxLink() const;
+    bool                isGfxLink() const;
+
+    BitmapChecksum      getChecksum() const;
+
+    const std::shared_ptr<VectorGraphicData>& getVectorGraphicData() const;
+
+    /// Gets the bitmap replacement for a vector graphic.
+    BitmapEx getVectorGraphicReplacement() const;
+
+    bool ensureAvailable () const;
+
+    sal_Int32 getPageNumber() const;
+
+    // Set the pref size, but don't force swap-in
+    void setValuesForPrefSize(const Size& rPrefSize);
+    // Set the pref map mode, but don't force swap-in
+    void setValuesForPrefMapMod(const MapMode& rPrefMapMode);
+
+public:
+    void resetChecksum() { mnChecksum = 0; }
+    bool swapIn();
+    bool swapOut();
+    bool isSwappedOut() const { return mbSwapOut; }
+    OUString getSwapFileURL() const;
+    // public only because of use in GraphicFilter
+    void updateFromLoadedGraphic(const ImpGraphic* graphic);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */