/* -*- 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_WIN_SALGDI_H #define INCLUDED_VCL_INC_WIN_SALGDI_H #include #include #include #include #include #include #include #include #include #include #include #ifndef INCLUDED_PRE_POST_WIN_H #define INCLUDED_PRE_POST_WIN_H # include # include #endif #include #include class FontSelectPattern; class WinFontInstance; class ImplFontAttrCache; class PhysicalFontCollection; class SalGraphicsImpl; class WinSalGraphicsImplBase; class ImplFontMetricData; #define RGB_TO_PALRGB(nRGB) ((nRGB)|0x02000000) #define PALRGB_TO_RGB(nPalRGB) ((nPalRGB)&0x00ffffff) // win32 specific physically available font face class WinFontFace : public PhysicalFontFace { public: explicit WinFontFace( const FontAttributes&, BYTE eWinCharSet, BYTE nPitchAndFamily ); virtual ~WinFontFace() override; virtual rtl::Reference CreateFontInstance( const FontSelectPattern& ) const override; virtual sal_IntPtr GetFontId() const override; void SetFontId( sal_IntPtr nId ) { mnId = nId; } void UpdateFromHDC( HDC ) const; bool HasChar( sal_uInt32 cChar ) const; BYTE GetCharSet() const { return meWinCharSet; } BYTE GetPitchAndFamily() const { return mnPitchAndFamily; } FontCharMapRef GetFontCharMap() const; bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const; private: sal_IntPtr mnId; // some members that are initialized lazily when the font gets selected into a HDC mutable bool mbFontCapabilitiesRead; mutable FontCharMapRef mxUnicodeMap; mutable vcl::FontCapabilities maFontCapabilities; BYTE meWinCharSet; BYTE mnPitchAndFamily; bool mbAliasSymbolsHigh; bool mbAliasSymbolsLow; void ReadCmapTable( HDC ) const; void GetFontCapabilities( HDC hDC ) const; }; /** Class that creates (and destroys) a compatible Device Context. This is to be used for GDI drawing into a DIB that we later use for a different drawing method, such as a texture for OpenGL drawing or surface for Skia drawing. */ class CompatibleDC { protected: /// The compatible DC that we create for our purposes. HDC mhCompatibleDC; /// DIBSection that we use for the GDI drawing, and later obtain. HBITMAP mhBitmap; /// Return the previous bitmap to undo the SelectObject. HBITMAP mhOrigBitmap; /// DIBSection data. sal_uInt32 *mpData; /// Mapping between the GDI position and OpenGL, to use for OpenGL drawing. SalTwoRect maRects; /// The SalGraphicsImpl where we will draw. If null, we ignore the drawing, it means it happened directly to the DC... WinSalGraphicsImplBase *mpImpl; // If 'disable' is true, this class is a simple wrapper for drawing directly. Subclasses should use true. CompatibleDC(SalGraphics &rGraphics, int x, int y, int width, int height, bool disable=true); public: static std::unique_ptr< CompatibleDC > create(SalGraphics &rGraphics, int x, int y, int width, int height); virtual ~CompatibleDC(); HDC getCompatibleHDC() { return mhCompatibleDC; } SalTwoRect getTwoRect() const { return maRects; } long getBitmapWidth() const { return maRects.mnSrcWidth; } long getBitmapHeight() const { return maRects.mnSrcHeight; } /// Reset the DC with the defined color. void fill(sal_uInt32 color); /// Base texture class (OpenGL and Skia will provide their implementations). struct Texture; /// Obtain the texture in format for WinSalGraphicsImplBase::DrawTextMask(). virtual std::unique_ptr getAsMaskTexture() const { abort(); }; }; struct CompatibleDC::Texture { virtual ~Texture() {}; virtual bool isValid() const = 0; virtual int GetWidth() const = 0; virtual int GetHeight() const = 0; }; class WinSalGraphics : public SalGraphics { friend class WinSalGraphicsImpl; friend class WinOpenGLSalGraphicsImpl; friend class ScopedFont; protected: std::unique_ptr mpImpl; private: HDC mhLocalDC; // HDC bool mbPrinter : 1; // is Printer bool mbVirDev : 1; // is VirDev bool mbWindow : 1; // is Window bool mbScreen : 1; // is Screen compatible HWND mhWnd; // Window-Handle, when Window-Graphics rtl::Reference mpWinFontEntry[ MAX_FALLBACK ]; // pointer to the most recent font instance HRGN mhRegion; // vcl::Region Handle HPEN mhDefPen; // DefaultPen HBRUSH mhDefBrush; // DefaultBrush HFONT mhDefFont; // DefaultFont HPALETTE mhDefPal; // DefaultPalette COLORREF mnTextColor; // TextColor RGNDATA* mpClipRgnData; // ClipRegion-Data RGNDATA* mpStdClipRgnData; // Cache Standard-ClipRegion-Data int mnPenWidth; // line width bool CacheGlyphs(const GenericSalLayout& rLayout); bool DrawCachedGlyphs(const GenericSalLayout& rLayout); public: HFONT ImplDoSetFont(FontSelectPattern const & i_rFont, const PhysicalFontFace * i_pFontFace, HFONT& o_rOldFont); HDC getHDC() const { return mhLocalDC; } void setHDC(HDC aNew) { mhLocalDC = aNew; } HPALETTE getDefPal() const; void setDefPal(HPALETTE hDefPal); HRGN getRegion() const; void InitGraphics(); void DeInitGraphics(); enum Type { PRINTER, VIRTUAL_DEVICE, WINDOW, SCREEN }; public: HWND gethWnd(); public: explicit WinSalGraphics(WinSalGraphics::Type eType, bool bScreen, HWND hWnd, SalGeometryProvider *pProvider); virtual ~WinSalGraphics() override; SalGraphicsImpl* GetImpl() const override; bool isPrinter() const; bool isVirtualDevice() const; bool isWindow() const; bool isScreen() const; void setHWND(HWND hWnd); protected: virtual bool setClipRegion( const vcl::Region& ) override; // draw --> LineColor and FillColor and RasterOp and ClipRegion 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 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 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 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; }; // CopyArea --> No RasterOp, but ClipRegion virtual void copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth, long nSrcHeight, bool bWindowInvalidate ) override; // CopyBits and DrawBitmap --> RasterOp and ClipRegion // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) override; virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) override; 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; // invert --> ClipRegion (only Windows or VirDevs) 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; // native widget rendering methods that require mirroring protected: virtual bool isNativeControlSupported( ControlType nType, ControlPart nPart ) override; virtual bool hitTestNativeControl( ControlType nType, ControlPart nPart, const tools::Rectangle& rControlRegion, const Point& aPos, bool& rIsInside ) override; virtual bool drawNativeControl( ControlType nType, ControlPart nPart, const tools::Rectangle& rControlRegion, ControlState nState, const ImplControlValue& aValue, const OUString& aCaption, const Color& rBackgroundColor ) override; virtual bool getNativeControlRegion( ControlType nType, ControlPart nPart, const tools::Rectangle& rControlRegion, ControlState nState, const ImplControlValue& aValue, const OUString& aCaption, tools::Rectangle &rNativeBoundingRegion, tools::Rectangle &rNativeContentRegion ) override; public: 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; private: // local helpers void DrawTextLayout(const GenericSalLayout&, HDC, bool bUseDWrite); public: // public SalGraphics methods, the interface to the independent vcl part // get device resolution virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) override; // get the depth of the device virtual sal_uInt16 GetBitCount() const override; // get the width of the device virtual long GetGraphicsWidth() const override; // set the clip region to empty virtual void ResetClipRegion() override; // set the line color to transparent (= don't draw lines) virtual void SetLineColor() override; // set the line color to a specific color virtual void SetLineColor( Color nColor ) override; // set the fill color to transparent (= don't fill) virtual void SetFillColor() override; // set the fill color to a specific color, shapes will be // filled accordingly virtual void SetFillColor( Color nColor ) override; // enable/disable XOR drawing virtual void SetXORMode( bool bSet, bool ) override; // set line color for raster operations virtual void SetROPLineColor( SalROPColor nROPColor ) override; // set fill color for raster operations virtual void SetROPFillColor( SalROPColor nROPColor ) override; // set the text color to a specific color virtual void SetTextColor( Color nColor ) override; // set the font virtual void SetFont( LogicalFontInstance*, int nFallbackLevel ) override; // get the current font's metrics virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override; // get the repertoire of the current font virtual FontCharMapRef GetFontCharMap() const override; // get the layout capabilities of the current font virtual bool GetFontCapabilities(vcl::FontCapabilities &rGetFontCapabilities) const override; // graphics must fill supplied font list virtual void GetDevFontList( PhysicalFontCollection* ) override; // graphics must drop any cached font info virtual void ClearDevFontCache() override; virtual bool AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override; // CreateFontSubset: a method to get a subset of glyhps of a font // inside a new valid font file // returns TRUE if creation of subset was successful // parameters: rToFile: contains an osl file URL to write the subset to // pFont: describes from which font to create a subset // pGlyphIDs: the glyph ids to be extracted // pEncoding: the character code corresponding to each glyph // pWidths: the advance widths of the corresponding glyphs (in PS font units) // nGlyphs: the number of glyphs // rInfo: additional outgoing information // implementation note: encoding 0 with glyph id 0 should be added implicitly // as "undefined character" virtual bool CreateFontSubset( const OUString& rToFile, const PhysicalFontFace*, const sal_GlyphId* pGlyphIDs, const sal_uInt8* pEncoding, sal_Int32* pWidths, int nGlyphs, FontSubsetInfo& rInfo // out parameter ) override; // GetEmbedFontData: gets the font data for a font marked // embeddable by GetDevFontList or NULL in case of error // parameters: pFont: describes the font in question // pDataLen: out parameter, contains the byte length of the returned buffer virtual const void* GetEmbedFontData(const PhysicalFontFace*, long* pDataLen) override; // frees the font data again 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 SystemGraphicsData GetGraphicsData() const override; /// Update settings based on the platform values static void updateSettingsNative( AllSettings& rSettings ); }; // Init/Deinit Graphics void ImplUpdateSysColorEntries(); int ImplIsSysColorEntry( Color nColor ); void ImplGetLogFontFromFontSelect( HDC, const FontSelectPattern&, const PhysicalFontFace*, LOGFONTW& ); #define MAX_64KSALPOINTS ((((sal_uInt16)0xFFFF)-8)/sizeof(POINTS)) // called extremely often from just one spot => inline inline bool WinFontFace::HasChar( sal_uInt32 cChar ) const { if( mxUnicodeMap->HasChar( cChar ) ) return true; // second chance to allow symbol aliasing if( mbAliasSymbolsLow && ((cChar-0xF000) <= 0xFF) ) cChar -= 0xF000; else if( mbAliasSymbolsHigh && (cChar <= 0xFF) ) cChar += 0xF000; else return false; return mxUnicodeMap->HasChar( cChar ); } #endif // INCLUDED_VCL_INC_WIN_SALGDI_H /* vim:set shiftwidth=4 softtabstop=4 expandtab: */