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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 .
*/
#ifndef INCLUDED_VCL_INC_IMPGRAPH_HXX
#define INCLUDED_VCL_INC_IMPGRAPH_HXX
#include <vcl/GraphicExternalLink.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/graph.hxx>
#include "graphic/Manager.hxx"
struct ImpSwapInfo
{
MapMode maPrefMapMode;
Size maPrefSize;
Size maSizePixel;
bool mbIsAnimated;
bool mbIsEPS;
bool mbIsTransparent;
bool mbIsAlpha;
sal_uInt32 mnAnimationLoopCount;
};
class OutputDevice;
class GfxLink;
struct ImpSwapFile;
class GraphicConversionParameters;
class ImpGraphic;
class GraphicID
{
private:
sal_uInt32 mnID1;
sal_uInt32 mnID2;
sal_uInt32 mnID3;
BitmapChecksum mnID4;
public:
GraphicID(ImpGraphic const & rGraphic);
bool operator==(const GraphicID& rID) const
{
return rID.mnID1 == mnID1 && rID.mnID2 == mnID2 &&
rID.mnID3 == mnID3 && rID.mnID4 == mnID4;
}
OString getIDString() const;
};
class ImpGraphic final
{
friend class Graphic;
friend class GraphicID;
friend class vcl::graphic::Manager;
private:
GDIMetaFile maMetaFile;
BitmapEx maEx;
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;
VectorGraphicDataPtr maVectorGraphicData;
// cache checksum computation
mutable BitmapChecksum mnChecksum = 0;
/// The PDF stream from which this Graphic is rendered,
/// as converted (version downgraded) from the original,
/// which should be in GfxLink.
std::shared_ptr<std::vector<sal_Int8>> mpPdfData;
std::unique_ptr<GraphicID> mpGraphicID;
GraphicExternalLink maGraphicExternalLink;
std::chrono::high_resolution_clock::time_point maLastUsed;
bool mbPrepared;
/// Used with GfxLink and/or PdfData when they store original media
/// which might be multi-page (PDF, f.e.) and we need to re-render
/// this Graphic (a page) from the source in GfxLink or PdfData.
sal_Int32 mnPageNumber;
public:
ImpGraphic();
ImpGraphic( const ImpGraphic& rImpGraphic );
ImpGraphic( ImpGraphic&& rImpGraphic ) noexcept;
ImpGraphic( const GraphicExternalLink& rExternalLink);
ImpGraphic( const Bitmap& rBmp );
ImpGraphic( const BitmapEx& rBmpEx );
ImpGraphic(const VectorGraphicDataPtr& rVectorGraphicDataPtr);
ImpGraphic( const Animation& rAnimation );
ImpGraphic( const GDIMetaFile& rMtf );
~ImpGraphic();
void ImplSetPrepared(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 (!mpGraphicID)
mpGraphicID.reset(new GraphicID(*this));
return mpGraphicID->getIDString();
}
bool hasPdfData() const
{
return mpPdfData && !mpPdfData->empty();
}
void ImplCreateSwapInfo();
void ImplClearGraphics();
void ImplClear();
GraphicType ImplGetType() const { return meType;}
void ImplSetDefaultType();
bool ImplIsSupportedGraphic() const;
bool ImplIsTransparent() const;
bool ImplIsAlpha() const;
bool ImplIsAnimated() const;
bool ImplIsEPS() const;
bool isAvailable() const;
bool makeAvailable();
Bitmap ImplGetBitmap(const GraphicConversionParameters& rParameters) const;
BitmapEx ImplGetBitmapEx(const GraphicConversionParameters& rParameters) const;
/// Gives direct access to the contained BitmapEx.
const BitmapEx& ImplGetBitmapExRef() const;
Animation ImplGetAnimation() const;
const GDIMetaFile& ImplGetGDIMetaFile() const;
Size ImplGetSizePixel() const;
Size ImplGetPrefSize() const;
void ImplSetPrefSize( const Size& rPrefSize );
MapMode ImplGetPrefMapMode() const;
void ImplSetPrefMapMode( const MapMode& rPrefMapMode );
sal_uLong ImplGetSizeBytes() const;
void ImplDraw( OutputDevice* pOutDev,
const Point& rDestPt ) const;
void ImplDraw( OutputDevice* pOutDev,
const Point& rDestPt,
const Size& rDestSize ) const;
void ImplStartAnimation( OutputDevice* pOutDev,
const Point& rDestPt,
const Size& rDestSize,
long nExtraData,
OutputDevice* pFirstFrameOutDev );
void ImplStopAnimation( OutputDevice* pOutputDevice,
long nExtraData );
void ImplSetAnimationNotifyHdl( const Link<Animation*,void>& rLink );
Link<Animation*,void> ImplGetAnimationNotifyHdl() const;
sal_uInt32 ImplGetAnimationLoopCount() const;
private:
std::shared_ptr<GraphicReader>& ImplGetContext() { return mpContext;}
void ImplSetContext( const std::shared_ptr<GraphicReader>& pReader );
void ImplSetDummyContext( bool value ) { mbDummyContext = value; }
bool ImplReadEmbedded( SvStream& rIStream );
bool ImplWriteEmbedded( SvStream& rOStream );
bool ImplSwapIn();
bool ImplSwapIn( SvStream* pIStm );
bool ImplSwapOut();
bool ImplSwapOut( SvStream* pOStm );
bool ImplIsSwapOut() const { return mbSwapOut;}
bool ImplIsDummyContext() const { return mbDummyContext; }
void ImplSetLink( const std::shared_ptr<GfxLink>& );
std::shared_ptr<GfxLink> ImplGetSharedGfxLink() const;
GfxLink ImplGetLink();
bool ImplIsLink() const;
BitmapChecksum ImplGetChecksum() const;
bool ImplExportNative( SvStream& rOStm ) const;
friend void WriteImpGraphic(SvStream& rOStm, const ImpGraphic& rImpGraphic);
friend void ReadImpGraphic(SvStream& rIStm, ImpGraphic& rImpGraphic);
const VectorGraphicDataPtr& getVectorGraphicData() const;
const std::shared_ptr<std::vector<sal_Int8>> & getPdfData() const;
void setPdfData(const std::shared_ptr<std::vector<sal_Int8>>& rPdfData);
bool ensureAvailable () const;
bool loadPrepared();
};
#endif // INCLUDED_VCL_INC_IMPGRAPH_HXX
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