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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /vcl/inc/impgraph.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/inc/impgraph.hxx')
-rw-r--r--vcl/inc/impgraph.hxx224
1 files changed, 224 insertions, 0 deletions
diff --git a/vcl/inc/impgraph.hxx b/vcl/inc/impgraph.hxx
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+/* -*- 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: */