b1cfbdf60e
now that we are using proper reference-counting template classes to control lifetime here, the code can be simplified and obsolete comments removed. Change-Id: I7693c684d4bed0e26016b5d6bbbf1c38fec62519 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/176624 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
202 lines
8.6 KiB
C++
202 lines
8.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_GDIMTF_HXX
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#define INCLUDED_VCL_GDIMTF_HXX
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#include <vcl/dllapi.h>
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#include <tools/gen.hxx>
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#include <tools/solar.h>
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#include <vcl/mapmod.hxx>
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#include <vcl/bitmap.hxx>
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#include <vcl/vclptr.hxx>
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#include <vector>
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class OutputDevice;
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class MetaAction;
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class SvStream;
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class Color;
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class BitmapEx;
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namespace tools {
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class Polygon;
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class PolyPolygon;
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}
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class Gradient;
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struct ImplMetaReadData;
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#define GDI_METAFILE_END (size_t(0xFFFFFFFF))
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enum class MtfConversion
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{
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N1BitThreshold,
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N8BitGreys
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};
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typedef Color (*ColorExchangeFnc)( const Color& rColor, const void* pColParam );
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typedef BitmapEx (*BmpExchangeFnc)( const BitmapEx& rBmpEx, const void* pBmpParam );
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class VCL_DLLPUBLIC GDIMetaFile final
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{
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private:
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::std::vector< rtl::Reference<MetaAction> > m_aList;
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size_t m_nCurrentActionElement;
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MapMode m_aPrefMapMode;
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Size m_aPrefSize;
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GDIMetaFile* m_pPrev;
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GDIMetaFile* m_pNext;
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VclPtr<OutputDevice> m_pOutDev;
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bool m_bPause;
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bool m_bRecord;
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bool m_bUseCanvas;
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// tdf#155479 need to know if it's SVG export
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bool m_bSVG;
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SAL_DLLPRIVATE static Color ImplColAdjustFnc( const Color& rColor, const void* pColParam );
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SAL_DLLPRIVATE static BitmapEx ImplBmpAdjustFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
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SAL_DLLPRIVATE static Color ImplColConvertFnc( const Color& rColor, const void* pColParam );
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SAL_DLLPRIVATE static BitmapEx ImplBmpConvertFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
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SAL_DLLPRIVATE static Color ImplColMonoFnc( const Color& rColor, const void* pColParam );
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SAL_DLLPRIVATE static BitmapEx ImplBmpMonoFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
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SAL_DLLPRIVATE static Color ImplColReplaceFnc( const Color& rColor, const void* pColParam );
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SAL_DLLPRIVATE static BitmapEx ImplBmpReplaceFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
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SAL_DLLPRIVATE void ImplExchangeColors( ColorExchangeFnc pFncCol, const void* pColParam,
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BmpExchangeFnc pFncBmp, const void* pBmpParam );
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SAL_DLLPRIVATE static Point ImplGetRotatedPoint( const Point& rPt, const Point& rRotatePt,
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const Size& rOffset, double fSin, double fCos );
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SAL_DLLPRIVATE static tools::Polygon ImplGetRotatedPolygon( const tools::Polygon& rPoly, const Point& rRotatePt,
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const Size& rOffset, double fSin, double fCos );
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SAL_DLLPRIVATE static tools::PolyPolygon ImplGetRotatedPolyPolygon( const tools::PolyPolygon& rPoly, const Point& rRotatePt,
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const Size& rOffset, double fSin, double fCos );
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SAL_DLLPRIVATE static void ImplAddGradientEx( GDIMetaFile& rMtf,
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const OutputDevice& rMapDev,
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const tools::PolyPolygon& rPolyPoly,
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const Gradient& rGrad );
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SAL_DLLPRIVATE bool ImplPlayWithRenderer(OutputDevice& rOut, const Point& rPos, Size rLogicDestSize);
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SAL_DLLPRIVATE void Linker( OutputDevice* pOut, bool bLink );
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public:
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GDIMetaFile();
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GDIMetaFile( const GDIMetaFile& rMtf );
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~GDIMetaFile();
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GDIMetaFile& operator=( const GDIMetaFile& rMtf );
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bool operator==( const GDIMetaFile& rMtf ) const;
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bool operator!=( const GDIMetaFile& rMtf ) const { return !( *this == rMtf ); }
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void Clear();
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SAL_DLLPRIVATE void Mirror( BmpMirrorFlags nMirrorFlags );
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void Move( tools::Long nX, tools::Long nY );
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// additional Move method getting specifics how to handle MapMode( MapUnit::MapPixel )
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void Move( tools::Long nX, tools::Long nY, tools::Long nDPIX, tools::Long nDPIY );
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void ScaleActions(double fScaleX, double fScaleY);
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void Scale( double fScaleX, double fScaleY );
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void Scale( const Fraction& rScaleX, const Fraction& rScaleY );
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SAL_DLLPRIVATE void Rotate( Degree10 nAngle10 );
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void Clip( const tools::Rectangle& );
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bool HasTransparentActions() const;
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/* get the bound rect of the contained actions
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* caveats:
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* - clip actions will limit the contained actions,
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* but the current clipregion of the passed OutputDevice will not
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* - coordinates of actions will be transformed to preferred mapmode
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* - the returned rectangle is relative to the preferred mapmode of the metafile
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*/
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tools::Rectangle GetBoundRect( OutputDevice& i_rReference ) const;
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void Adjust( short nLuminancePercent, short nContrastPercent,
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short nChannelRPercent = 0, short nChannelGPercent = 0,
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short nChannelBPercent = 0, double fGamma = 1.0,
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bool bInvert = false, bool msoBrightness = false );
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void Convert( MtfConversion eConversion );
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void ReplaceColors( const Color* pSearchColors, const Color* rReplaceColors,
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sal_uLong nColorCount );
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GDIMetaFile GetMonochromeMtf( const Color& rCol ) const;
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void Record( OutputDevice* pOutDev );
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bool IsRecord() const { return m_bRecord; }
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void Play(GDIMetaFile& rMtf);
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void Play(OutputDevice& rOutDev, size_t nPos = GDI_METAFILE_END);
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void Play(OutputDevice& rOutDev, const Point& rPos, const Size& rSize);
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void Pause( bool bPause );
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bool IsPause() const { return m_bPause; }
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void Stop();
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void WindStart();
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void WindPrev();
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size_t GetActionSize() const;
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void AddAction(const rtl::Reference<MetaAction>& pAction);
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void AddAction(const rtl::Reference<MetaAction>& pAction, size_t nPos);
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SAL_DLLPRIVATE void push_back(const rtl::Reference<MetaAction>& pAction);
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/**
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* @param nAction the action to replace
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*/
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SAL_DLLPRIVATE void ReplaceAction( rtl::Reference<MetaAction> pAction, size_t nAction );
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MetaAction* FirstAction();
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MetaAction* NextAction();
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MetaAction* GetAction( size_t nAction ) const;
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MetaAction* GetCurAction() const { return GetAction( m_nCurrentActionElement ); }
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const Size& GetPrefSize() const { return m_aPrefSize; }
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void SetPrefSize( const Size& rSize ) { m_aPrefSize = rSize; }
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const MapMode& GetPrefMapMode() const { return m_aPrefMapMode; }
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void SetPrefMapMode( const MapMode& rMapMode ) { m_aPrefMapMode = rMapMode; }
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SAL_DLLPRIVATE sal_uLong GetSizeBytes() const;
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/// Creates an antialiased thumbnail
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bool CreateThumbnail(BitmapEx& rBitmapEx,
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BmpConversion nColorConversion = BmpConversion::N24Bit,
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BmpScaleFlag nScaleFlag = BmpScaleFlag::BestQuality) const;
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void UseCanvas( bool _bUseCanvas );
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bool GetUseCanvas() const { return m_bUseCanvas; }
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// tdf#155479
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bool getSVG() const { return m_bSVG; }
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void setSVG(bool bNew) { m_bSVG = bNew; }
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/// Dumps the meta actions as XML in metafile.xml.
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void dumpAsXml(const char* pFileName = nullptr) const;
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};
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#endif // INCLUDED_VCL_GDIMTF_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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