/* -*- 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_HEADLESS_SVPGDI_HXX #define INCLUDED_VCL_INC_HEADLESS_SVPGDI_HXX #ifdef IOS #error This file is not for iOS #endif #include #include #include #include #include #include #include "svpcairotextrender.hxx" #include #include //Using formats that match cairo's formats. For android we patch cairo, //which is internal in that case, to swap the rgb components so that //cairo then matches the OpenGL GL_RGBA format so we can use it there //where we don't have GL_BGRA support. // SVP_24BIT_FORMAT is used to store 24-bit images in 3-byte pixels to conserve memory. #if defined(ANDROID) && !HAVE_FEATURE_ANDROID_LOK # define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcRgb | ScanlineFormat::TopDown) # define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcRgba | ScanlineFormat::TopDown) # define SVP_CAIRO_BLUE 1 # define SVP_CAIRO_GREEN 2 # define SVP_CAIRO_RED 0 # define SVP_CAIRO_ALPHA 3 #elif defined OSL_BIGENDIAN # define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcRgb | ScanlineFormat::TopDown) # define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcArgb | ScanlineFormat::TopDown) # define SVP_CAIRO_BLUE 3 # define SVP_CAIRO_GREEN 2 # define SVP_CAIRO_RED 1 # define SVP_CAIRO_ALPHA 0 #else # define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcBgr | ScanlineFormat::TopDown) # define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcBgra | ScanlineFormat::TopDown) # define SVP_CAIRO_BLUE 0 # define SVP_CAIRO_GREEN 1 # define SVP_CAIRO_RED 2 # define SVP_CAIRO_ALPHA 3 #endif struct BitmapBuffer; class FreetypeFont; typedef struct _cairo cairo_t; typedef struct _cairo_surface cairo_surface_t; typedef struct _cairo_user_data_key cairo_user_data_key_t; VCL_DLLPUBLIC void dl_cairo_surface_set_device_scale(cairo_surface_t *surface, double x_scale, double y_scale); VCL_DLLPUBLIC void dl_cairo_surface_get_device_scale(cairo_surface_t *surface, double *x_scale, double *y_scale); enum class PaintMode { Over, Xor }; typedef void (*damageHandler)(void* handle, sal_Int32 nExtentsX, sal_Int32 nExtentsY, sal_Int32 nExtentsWidth, sal_Int32 nExtentsHeight); struct VCL_DLLPUBLIC DamageHandler { void *handle; damageHandler damaged; }; class VCL_DLLPUBLIC SvpSalGraphics : public SalGraphics { cairo_surface_t* m_pSurface; basegfx::B2IVector m_aFrameSize; double m_fScale; Color m_aLineColor; Color m_aFillColor; PaintMode m_ePaintMode; public: void setSurface(cairo_surface_t* pSurface, const basegfx::B2IVector& rSize); cairo_surface_t* getSurface() const { return m_pSurface; } static cairo_user_data_key_t* getDamageKey(); static void clipRegion(cairo_t* cr, const vcl::Region& rClipRegion); // need this static version of ::drawPolyLine for usage from // vcl/unx/generic/gdi/salgdi.cxx. It gets wrapped by // ::drawPolyLine with some added parameters (see there) static bool drawPolyLine( cairo_t* cr, basegfx::B2DRange* pExtents, const Color& rLineColor, bool bAntiAliasB2DDraw, const basegfx::B2DHomMatrix& rObjectToDevice, const basegfx::B2DPolygon& rPolyLine, double fTransparency, double fLineWidth, const std::vector< double >* pStroke, // MM01 basegfx::B2DLineJoin eLineJoin, css::drawing::LineCap eLineCap, double fMiterMinimumAngle, bool bPixelSnapHairline); void copySource(const SalTwoRect& rTR, cairo_surface_t* source); void copyWithOperator(const SalTwoRect& rTR, cairo_surface_t* source, cairo_operator_t eOp = CAIRO_OPERATOR_SOURCE); private: void invert(const basegfx::B2DPolygon &rPoly, SalInvert nFlags); void applyColor(cairo_t *cr, Color rColor, double fTransparency = 0.0); protected: vcl::Region m_aClipRegion; SvpCairoTextRender m_aTextRenderImpl; protected: virtual bool blendBitmap( const SalTwoRect&, const SalBitmap& rBitmap ) override; virtual bool blendAlphaBitmap( const SalTwoRect&, const SalBitmap& rSrcBitmap, const SalBitmap& rMaskBitmap, const SalBitmap& rAlphaBitmap ) override; virtual bool drawAlphaBitmap( const SalTwoRect&, const SalBitmap& rSourceBitmap, const SalBitmap& rAlphaBitmap ) override; virtual bool drawTransformedBitmap( const basegfx::B2DPoint& rNull, const basegfx::B2DPoint& rX, const basegfx::B2DPoint& rY, const SalBitmap& rSourceBitmap, const SalBitmap* pAlphaBitmap) override; virtual bool drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ) override; cairo_t* createTmpCompatibleCairoContext() const; public: SvpSalGraphics(); virtual ~SvpSalGraphics() override; virtual SalGraphicsImpl* GetImpl() const override { return nullptr; }; virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) override; virtual sal_uInt16 GetBitCount() const override; virtual long GetGraphicsWidth() const override; virtual void ResetClipRegion() override; virtual bool setClipRegion( const vcl::Region& ) override; virtual void SetLineColor() override; virtual void SetLineColor( Color nColor ) override; virtual void SetFillColor() override; virtual void SetFillColor( Color nColor ) override; virtual void SetXORMode( bool bSet, bool ) override; virtual void SetROPLineColor( SalROPColor nROPColor ) override; virtual void SetROPFillColor( SalROPColor nROPColor ) override; virtual void SetTextColor( Color nColor ) override; virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) override; virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override; virtual FontCharMapRef GetFontCharMap() const override; virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override; virtual void GetDevFontList( PhysicalFontCollection* ) override; virtual void ClearDevFontCache() override; virtual bool AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override; virtual bool CreateFontSubset( const OUString& rToFile, const PhysicalFontFace*, const sal_GlyphId* pGlyphIds, const sal_uInt8* pEncoding, sal_Int32* pWidths, int nGlyphs, FontSubsetInfo& rInfo ) override; virtual const void* GetEmbedFontData(const PhysicalFontFace*, long* pDataLen) override; virtual void FreeEmbedFontData( const void* pData, long nDataLen ) override; virtual void GetGlyphWidths( const PhysicalFontFace*, bool bVertical, std::vector< sal_Int32 >& rWidths, Ucs2UIntMap& rUnicodeEnc ) override; virtual std::unique_ptr GetTextLayout(int nFallbackLevel) override; virtual void DrawTextLayout( const GenericSalLayout& ) override; virtual bool supportsOperation( OutDevSupportType ) const override; virtual void drawPixel( long nX, long nY ) override; virtual void drawPixel( long nX, long nY, Color nColor ) override; virtual void drawLine( long nX1, long nY1, long nX2, long nY2 ) override; virtual void drawRect( long nX, long nY, long nWidth, long nHeight ) override; virtual bool drawPolyPolygon( const basegfx::B2DHomMatrix& rObjectToDevice, const basegfx::B2DPolyPolygon&, double fTransparency ) override; virtual bool drawPolyLine( const basegfx::B2DHomMatrix& rObjectToDevice, const basegfx::B2DPolygon&, double fTransparency, double fLineWidth, const std::vector< double >* pStroke, // MM01 basegfx::B2DLineJoin, css::drawing::LineCap, double fMiterMinimumAngle, bool bPixelSnapHairline) override; virtual void drawPolyLine( sal_uInt32 nPoints, const SalPoint* pPtAry ) override; virtual void drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry ) override; virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry ) override; virtual bool drawPolyLineBezier( sal_uInt32 nPoints, const SalPoint* pPtAry, const PolyFlags* pFlgAry ) override; virtual bool drawPolygonBezier( sal_uInt32 nPoints, const SalPoint* pPtAry, const PolyFlags* pFlgAry ) override; virtual bool drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const PolyFlags* const* pFlgAry ) override; virtual bool drawGradient( const tools::PolyPolygon&, const Gradient& ) override { return false; }; virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon, SalGradient const & rGradient) override; virtual void copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth, long nSrcHeight, bool bWindowInvalidate) override; virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) override; virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) override; void drawBitmap( const SalTwoRect& rPosAry, const BitmapBuffer* pBuffer, cairo_operator_t eOp ); virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap, const SalBitmap& rTransparentBitmap ) override; virtual void drawMask( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap, Color nMaskColor ) override; virtual std::shared_ptr getBitmap( long nX, long nY, long nWidth, long nHeight ) override; virtual Color getPixel( long nX, long nY ) override; virtual void invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags ) override; virtual void invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nFlags ) override; virtual bool drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uInt32 nSize ) override; virtual SystemGraphicsData GetGraphicsData() const override; virtual OUString getRenderBackendName() const override { return "svp"; } #if ENABLE_CAIRO_CANVAS virtual bool SupportsCairo() const override; virtual cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const override; virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width, int height) const override; virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice, const BitmapSystemData& rData, const Size& rSize) const override; virtual css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const override; virtual SystemFontData GetSysFontData( int nFallbacklevel ) const override; #endif // ENABLE_CAIRO_CANVAS cairo_t* getCairoContext(bool bXorModeAllowed) const; void releaseCairoContext(cairo_t* cr, bool bXorModeAllowed, const basegfx::B2DRange& rExtents) const; static cairo_surface_t* createCairoSurface(const BitmapBuffer *pBuffer); void clipRegion(cairo_t* cr); }; #endif // INCLUDED_VCL_INC_HEADLESS_SVPGDI_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */