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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: */
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