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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_GDIMTF_HXX
#define INCLUDED_VCL_GDIMTF_HXX
#include <vcl/dllapi.h>
#include <tools/gen.hxx>
#include <tools/solar.h>
#include <vcl/mapmod.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/vclptr.hxx>
#include <vector>
class OutputDevice;
class MetaAction;
class SvStream;
class Color;
class BitmapEx;
namespace tools {
class Polygon;
class PolyPolygon;
}
class Gradient;
struct ImplMetaReadData;
#define GDI_METAFILE_END (size_t(0xFFFFFFFF))
enum class MtfConversion
{
N1BitThreshold,
N8BitGreys
};
typedef Color (*ColorExchangeFnc)( const Color& rColor, const void* pColParam );
typedef BitmapEx (*BmpExchangeFnc)( const BitmapEx& rBmpEx, const void* pBmpParam );
class VCL_DLLPUBLIC GDIMetaFile final
{
private:
::std::vector< rtl::Reference<MetaAction> > m_aList;
size_t m_nCurrentActionElement;
MapMode m_aPrefMapMode;
Size m_aPrefSize;
GDIMetaFile* m_pPrev;
GDIMetaFile* m_pNext;
VclPtr<OutputDevice> m_pOutDev;
bool m_bPause;
bool m_bRecord;
bool m_bUseCanvas;
// tdf#155479 need to know if it's SVG export
bool m_bSVG;
SAL_DLLPRIVATE static Color ImplColAdjustFnc( const Color& rColor, const void* pColParam );
SAL_DLLPRIVATE static BitmapEx ImplBmpAdjustFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
SAL_DLLPRIVATE static Color ImplColConvertFnc( const Color& rColor, const void* pColParam );
SAL_DLLPRIVATE static BitmapEx ImplBmpConvertFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
SAL_DLLPRIVATE static Color ImplColMonoFnc( const Color& rColor, const void* pColParam );
SAL_DLLPRIVATE static BitmapEx ImplBmpMonoFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
SAL_DLLPRIVATE static Color ImplColReplaceFnc( const Color& rColor, const void* pColParam );
SAL_DLLPRIVATE static BitmapEx ImplBmpReplaceFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
SAL_DLLPRIVATE void ImplExchangeColors( ColorExchangeFnc pFncCol, const void* pColParam,
BmpExchangeFnc pFncBmp, const void* pBmpParam );
SAL_DLLPRIVATE static Point ImplGetRotatedPoint( const Point& rPt, const Point& rRotatePt,
const Size& rOffset, double fSin, double fCos );
SAL_DLLPRIVATE static tools::Polygon ImplGetRotatedPolygon( const tools::Polygon& rPoly, const Point& rRotatePt,
const Size& rOffset, double fSin, double fCos );
SAL_DLLPRIVATE static tools::PolyPolygon ImplGetRotatedPolyPolygon( const tools::PolyPolygon& rPoly, const Point& rRotatePt,
const Size& rOffset, double fSin, double fCos );
SAL_DLLPRIVATE static void ImplAddGradientEx( GDIMetaFile& rMtf,
const OutputDevice& rMapDev,
const tools::PolyPolygon& rPolyPoly,
const Gradient& rGrad );
SAL_DLLPRIVATE bool ImplPlayWithRenderer(OutputDevice& rOut, const Point& rPos, Size rLogicDestSize);
void Linker( OutputDevice* pOut, bool bLink );
public:
GDIMetaFile();
GDIMetaFile( const GDIMetaFile& rMtf );
~GDIMetaFile();
GDIMetaFile& operator=( const GDIMetaFile& rMtf );
bool operator==( const GDIMetaFile& rMtf ) const;
bool operator!=( const GDIMetaFile& rMtf ) const { return !( *this == rMtf ); }
void Clear();
void Mirror( BmpMirrorFlags nMirrorFlags );
void Move( tools::Long nX, tools::Long nY );
// additional Move method getting specifics how to handle MapMode( MapUnit::MapPixel )
void Move( tools::Long nX, tools::Long nY, tools::Long nDPIX, tools::Long nDPIY );
void ScaleActions(double fScaleX, double fScaleY);
void Scale( double fScaleX, double fScaleY );
void Scale( const Fraction& rScaleX, const Fraction& rScaleY );
void Rotate( Degree10 nAngle10 );
void Clip( const tools::Rectangle& );
bool HasTransparentActions() const;
/* get the bound rect of the contained actions
* caveats:
* - clip actions will limit the contained actions,
* but the current clipregion of the passed OutputDevice will not
* - coordinates of actions will be transformed to preferred mapmode
* - the returned rectangle is relative to the preferred mapmode of the metafile
*/
tools::Rectangle GetBoundRect( OutputDevice& i_rReference ) const;
void Adjust( short nLuminancePercent, short nContrastPercent,
short nChannelRPercent = 0, short nChannelGPercent = 0,
short nChannelBPercent = 0, double fGamma = 1.0,
bool bInvert = false, bool msoBrightness = false );
void Convert( MtfConversion eConversion );
void ReplaceColors( const Color* pSearchColors, const Color* rReplaceColors,
sal_uLong nColorCount );
GDIMetaFile GetMonochromeMtf( const Color& rCol ) const;
void Record( OutputDevice* pOutDev );
bool IsRecord() const { return m_bRecord; }
void Play(GDIMetaFile& rMtf);
void Play(OutputDevice& rOutDev, size_t nPos = GDI_METAFILE_END);
void Play(OutputDevice& rOutDev, const Point& rPos, const Size& rSize);
void Pause( bool bPause );
bool IsPause() const { return m_bPause; }
void Stop();
void WindStart();
void WindPrev();
size_t GetActionSize() const;
void AddAction(const rtl::Reference<MetaAction>& pAction);
void AddAction(const rtl::Reference<MetaAction>& pAction, size_t nPos);
void push_back(const rtl::Reference<MetaAction>& pAction);
/**
* @param pAction takes ownership
* @param nAction the action to replace
*/
void ReplaceAction( rtl::Reference<MetaAction> pAction, size_t nAction );
MetaAction* FirstAction();
MetaAction* NextAction();
MetaAction* GetAction( size_t nAction ) const;
MetaAction* GetCurAction() const { return GetAction( m_nCurrentActionElement ); }
const Size& GetPrefSize() const { return m_aPrefSize; }
void SetPrefSize( const Size& rSize ) { m_aPrefSize = rSize; }
const MapMode& GetPrefMapMode() const { return m_aPrefMapMode; }
void SetPrefMapMode( const MapMode& rMapMode ) { m_aPrefMapMode = rMapMode; }
sal_uLong GetSizeBytes() const;
/// Creates an antialiased thumbnail
bool CreateThumbnail(BitmapEx& rBitmapEx,
BmpConversion nColorConversion = BmpConversion::N24Bit,
BmpScaleFlag nScaleFlag = BmpScaleFlag::BestQuality) const;
void UseCanvas( bool _bUseCanvas );
bool GetUseCanvas() const { return m_bUseCanvas; }
// tdf#155479
bool getSVG() const { return m_bSVG; }
void setSVG(bool bNew) { m_bSVG = bNew; }
/// Dumps the meta actions as XML in metafile.xml.
void dumpAsXml(const char* pFileName = nullptr) const;
};
#endif // INCLUDED_VCL_GDIMTF_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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