/* -*- 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/MemoryManaged.hxx"
#include "graphic/GraphicID.hxx"
#include "graphic/BitmapContainer.hxx"
#include "graphic/AnimationContainer.hxx"
#include "graphic/SwapInfo.hxx"
#include <optional>
class OutputDevice;
class GfxLink;
class ImpSwapFile;
enum class GraphicContentType : sal_Int32
{
Bitmap,
Animation,
Vector
};
class SAL_DLLPUBLIC_RTTI ImpGraphic final :
public vcl::graphic::MemoryManaged
{
friend class Graphic;
friend class GraphicID;
private:
BitmapEx maCachedBitmap;
GDIMetaFile maMetaFile;
std::shared_ptr<BitmapContainer> mpBitmapContainer;
/// If maBitmapEx is empty, this preferred size will be set on it when it gets initialized.
Size maExPrefSize;
SwapInfo maSwapInfo;
std::shared_ptr<AnimationContainer> mpAnimationContainer;
std::shared_ptr<ImpSwapFile> mpSwapFile;
std::shared_ptr<GfxLink> mpGfxLink;
std::shared_ptr<VectorGraphicData> maVectorGraphicData;
GraphicType meType = GraphicType::NONE;
mutable sal_Int64 mnSizeBytes = 0;
bool mbSwapOut =
false;
bool mbDummyContext =
false;
// cache checksum computation
mutable BitmapChecksum mnChecksum = 0;
std::optional<GraphicID> mxGraphicID;
GraphicExternalLink maGraphicExternalLink;
mutable std::chrono::high_resolution_clock::time_point maLastUsed = std::chrono::hig
h_resolution_clock::now();
bool mbPrepared = false;
public:
ImpGraphic(bool bDefault = false);
ImpGraphic( const ImpGraphic& rImpGraphic );
ImpGraphic( ImpGraphic&& rImpGraphic ) noexcept;
ImpGraphic( GraphicExternalLink aExternalLink);
ImpGraphic(std::shared_ptr<GfxLink> xGfxLink, 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;}
bool isSupportedGraphic() const;
bool isTransparent() const;
bool isAlpha() const;
bool isAnimated() const;
bool isEPS() const;
bool isAvailable() const;
bool makeAvailable();
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_Int64 getSizeBytes() const;
void ensureCurrentSizeInBytes();
void draw(OutputDevice& rOutDev, const Point& rDestPt,
const Size& rDestSize) const;
void startAnimation(OutputDevice& rOutDev,
const Point& rDestPt,
const Size& rDestSize,
tools::Long nRendererId,
OutputDevice* pFirstFrameOutDev);
void stopAnimation( const OutputDevice* pOutputDevice,
tools::Long nRendererId );
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
Bitmap getBitmap(const GraphicConversionParameters& rParameters) const;
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.
// Hide volatile state of maBitmapEx when using maVectorGraphicData into this method
void updateBitmapFromVectorGraphic(const Size& pixelSize = {}) 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);
bool canReduceMemory() const override;
bool reduceMemory() override;
std::chrono::high_resolution_clock::time_point getLastUsed() const override;
void resetLastUsed() const;
public:
void resetChecksum() { mnChecksum = 0; }
bool swapIn();
VCL_DLLPUBLIC bool swapOut();
bool isSwappedOut() const { return mbSwapOut; }
VCL_DLLPUBLIC SvStream* getSwapFileStream() const;
// public only because of use in GraphicFilter
void updateFromLoadedGraphic(const ImpGraphic* graphic);
void dumpState(rtl::OStringBuffer &rState) override;
};
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