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| -rw-r--r-- | include/vcl/gdimtf.hxx | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/include/vcl/gdimtf.hxx b/include/vcl/gdimtf.hxx new file mode 100644 index 000000000..3727f6531 --- /dev/null +++ b/include/vcl/gdimtf.hxx @@ -0,0 +1,209 @@ +/* -*- 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 <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 ); + +VCL_DLLPUBLIC SvStream& ReadGDIMetaFile(SvStream& rIStm, GDIMetaFile& rGDIMetaFile, ImplMetaReadData* pReadData = nullptr); +VCL_DLLPUBLIC SvStream& WriteGDIMetaFile( SvStream& rOStm, const GDIMetaFile& rGDIMetaFile ); + +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; + + + 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* pOut, 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( long nX, long nY ); + // additional Move method getting specifics how to handle MapMode( MapUnit::MapPixel ) + void Move( long nX, long nY, long nDPIX, long nDPIY ); + void Scale( double fScaleX, double fScaleY ); + void Scale( const Fraction& rScaleX, const Fraction& rScaleY ); + void Rotate( long 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, tools::Rectangle* pHairline = nullptr ) 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* pOutDev, size_t nPos = GDI_METAFILE_END ); + void Play( OutputDevice* pOutDev, 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; } + + + BitmapChecksum GetChecksum() const; + sal_uLong GetSizeBytes() const; + + // Methods for reading and writing the new formats; + // the Read method also reads the old format + SvStream& Read( SvStream& rIStm ); + SvStream& Write( SvStream& rOStm ); + + // Stream-operators write (still) the old format + // and read both the old and the new format + friend VCL_DLLPUBLIC SvStream& ReadGDIMetaFile(SvStream& rIStm, GDIMetaFile& rGDIMetaFile, ImplMetaReadData* pReadData); + friend VCL_DLLPUBLIC SvStream& WriteGDIMetaFile(SvStream& rOStm, const GDIMetaFile& rGDIMetaFile); + + /// 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; } + + /// 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: */ |