/* -*- 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 "sallayout.hxx" #include "salgeom.hxx" #include "salgdi.hxx" #include "fontinstance.hxx" #include "fontattributes.hxx" #include "PhysicalFontFace.hxx" #include "impfont.hxx" #include #include #include #include #ifndef INCLUDED_PRE_POST_WIN_H #define INCLUDED_PRE_POST_WIN_H # include "prewin.h" # include "postwin.h" #endif #include #include class FontSelectPattern; class WinFontInstance; class ImplFontAttrCache; class OpenGLTexture; class PhysicalFontCollection; class SalGraphicsImpl; class WinOpenGLSalGraphicsImpl; class ImplFontMetricData; class CommonSalLayout; #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&, int nFontHeight, BYTE eWinCharSet, BYTE nPitchAndFamily ); virtual ~WinFontFace() override; virtual PhysicalFontFace* Clone() const override; virtual LogicalFontInstance* CreateFontInstance( 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; private: void ReadCmapTable( HDC ) const; void GetFontCapabilities( HDC hDC ) const; mutable hb_font_t* mpHbFont; public: hb_font_t* GetHbFont() const { return mpHbFont; } void SetHbFont( hb_font_t* pHbFont ) const { mpHbFont = pHbFont; } }; /** Class that creates (and destroys) a compatible Device Context. This is to be used for GDI drawing into a DIB that we later use as a texture for OpenGL drawing. */ class OpenGLCompatibleDC { private: /// 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 OpenGL-based SalGraphicsImpl where we will draw. If null, we ignore the drawing, it means it happened directly to the DC... WinOpenGLSalGraphicsImpl *mpImpl; public: OpenGLCompatibleDC(SalGraphics &rGraphics, int x, int y, int width, int height); ~OpenGLCompatibleDC(); HDC getCompatibleHDC() { return mhCompatibleDC; } SalTwoRect getTwoRect() { return maRects; } Size getBitmapSize() { return Size(maRects.mnSrcWidth, maRects.mnSrcHeight); } /// Reset the DC with the defined color. void fill(sal_uInt32 color); /// Obtain the texture; the caller must delete it after use. OpenGLTexture* getTexture(); /// Copy bitmap data to the texture. Texutre must be initialized and the correct size to hold the bitmap. bool copyToTexture(OpenGLTexture& aTexture); }; class WinSalGraphics : public SalGraphics { friend class WinSalGraphicsImpl; friend class WinOpenGLSalGraphicsImpl; friend class ScopedFont; friend class OpenGLCompatibleDC; 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 HFONT mhFonts[ MAX_FALLBACK ]; // Font + Fallbacks const WinFontFace* mpWinFontData[ MAX_FALLBACK ]; // pointer to the most recent font face WinFontInstance* 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 LogicalFontInstance* GetWinFontEntry(int nFallbackLevel); bool CacheGlyphs(const CommonSalLayout& rLayout); bool DrawCachedGlyphs(const CommonSalLayout& rLayout); public: 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(); HFONT ImplDoSetFont( FontSelectPattern const * i_pFont, HFONT& o_rOldFont ); 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, SalColor nSalColor ) 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, 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::B2DPolyPolygon&, double fTransparency ) override; virtual bool drawPolyLine( const basegfx::B2DPolygon&, double fTransparency, const basegfx::B2DVector& rLineWidth, basegfx::B2DLineJoin, css::drawing::LineCap, double fMiterMinimumAngle) 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, SalColor nMaskColor ) override; virtual SalBitmap* getBitmap( long nX, long nY, long nWidth, long nHeight ) override; virtual SalColor 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_uIntPtr nSize ) override; // native widget rendering methods that require mirroring 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 ) 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; 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 CommonSalLayout&, 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( SalColor nSalColor ) 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( SalColor nSalColor ) override; // enable/disable XOR drawing virtual void SetXORMode( bool bSet ) 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( SalColor nSalColor ) override; // set the font virtual void SetFont( FontSelectPattern*, int nFallbackLevel ) override; // get the current font's metrics virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override; // get the repertoire of the current font virtual const 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 a 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 bool GetGlyphBoundRect(const GlyphItem&, tools::Rectangle&) override; virtual bool GetGlyphOutline(const GlyphItem&, basegfx::B2DPolyPolygon&) override; virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ) override; virtual void DrawTextLayout( const CommonSalLayout& ) override; virtual bool supportsOperation( OutDevSupportType ) const override; // Query the platform layer for control support virtual bool IsNativeControlSupported( ControlType nType, ControlPart nPart ) 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( SalColor nSalColor ); void ImplGetLogFontFromFontSelect( HDC, const FontSelectPattern*, LOGFONTW&, bool bTestVerticalAvail ); #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: */