/* -*- 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 #include #include #include #include #include class OutputDevice; class MetaAction; class MetaCommentAction; class SvStream; class Color; class BitmapEx; namespace tools { class Polygon; class PolyPolygon; } class Gradient; #define GDI_METAFILE_END ((size_t)0xFFFFFFFF) #define GDI_METAFILE_LABEL_NOTFOUND ((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< MetaAction* > m_aList; size_t m_nCurrentActionElement; MapMode m_aPrefMapMode; Size m_aPrefSize; GDIMetaFile* m_pPrev; GDIMetaFile* m_pNext; VclPtr 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(); bool 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& ); /* 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( MetaAction* pAction ); void AddAction( MetaAction* pAction, size_t nPos ); void push_back( MetaAction* pAction ); /** * @param pAction takes ownership * @param nAction the action to replace */ MetaAction* ReplaceAction( 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 ); 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; } }; #endif // INCLUDED_VCL_GDIMTF_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */