vcl/inc/salgdi.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _SV_SALGDI_HXX
  21 #define _SV_SALGDI_HXX
  22
  23 #include "tools/solar.h"
  24 #include "vcl/dllapi.h"
  25 #include "vcl/salgtype.hxx"
  26 #include "osl/thread.hxx"
  27 #include "vcl/outdev.hxx"
  28 #include "vcl/salnativewidgets.hxx"
  29 #include "sallayout.hxx"
  30
  31 #include <map>
  32
  33
  34 class ImplDevFontList;
  35 class SalBitmap;
  36 class FontSelectPattern;
  37 class ImplFontMetricData;
  38 struct ImplKernPairData;
  39 class PhysicalFontFace;
  40 class ImplFontCharMap;
  41 class SalLayout;
  42 class ImplLayoutArgs;
  43 class Rectangle;
  44 class FontSubsetInfo;
  45 class OutputDevice;
  46 class ServerFontLayout;
  47 struct SystemGraphicsData;
  48 struct SystemFontData;
  49
  50 namespace basegfx {
  51     class B2DVector;
  52     class B2DPolygon;
  53     class B2DPolyPolygon;
  54 }
  55
  56 // ---------------------
  57 // - SalGraphics-Codes -
  58 // ---------------------
  59
  60 #define SAL_SETFONT_REMOVEANDMATCHNEW       ((sal_uInt16)0x0001)
  61 #define SAL_SETFONT_USEDRAWTEXT             ((sal_uInt16)0x0002)
  62 #define SAL_SETFONT_USEDRAWTEXTARRAY        ((sal_uInt16)0x0004)
  63 #define SAL_SETFONT_UNICODE                 ((sal_uInt16)0x0008)
  64 #define SAL_SETFONT_BADFONT                 ((sal_uInt16)0x1000)
  65
  66 #define SAL_COPYAREA_WINDOWINVALIDATE       ((sal_uInt16)0x0001)
  67
  68 typedef sal_Unicode sal_Ucs; // TODO: use sal_UCS4 instead of sal_Unicode
  69 typedef std::map< sal_Ucs, sal_Int32 >    Ucs2SIntMap;
  70 typedef std::map< sal_Ucs, sal_uInt32 >   Ucs2UIntMap;
  71 typedef std::map< sal_Ucs, OString > Ucs2OStrMap;
  72 typedef std::vector< sal_Int32 > Int32Vector;
  73
  74 // note: if you add any new methods to class SalGraphics using coordinates
  75 //       make sure they have a corresponding protected pure virtual method
  76 //       which has to be implemented by the platform dependent part.
  77 //       Add a method that performs coordinate mirroring if required, (see
  78 //       existing methods as sample) and then calls the equivalent pure method.
  79
  80 // note: all positions are in pixel and relative to
  81 // the top/left-position of the virtual output area
  82
  83 class VCL_PLUGIN_PUBLIC SalGraphics
  84 {
  85     int                     m_nLayout; // 0: mirroring off, 1: mirror x-axis
  86
  87 protected:
  88     // flags which hold the SetAntialiasing() value from OutputDevice
  89     bool                    m_bAntiAliasB2DDraw;
  90
  91 public:
  92     void                    setAntiAliasB2DDraw(bool bNew) { m_bAntiAliasB2DDraw = bNew; }
  93     bool                    getAntiAliasB2DDraw() const { return m_bAntiAliasB2DDraw; }
  94
  95     SalGraphics();
  96     virtual ~SalGraphics();
  97
  98 protected:
  99     virtual bool            setClipRegion( const Region& ) = 0;
 100
 101     // draw --> LineColor and FillColor and RasterOp and ClipRegion
 102     virtual void            drawPixel( long nX, long nY ) = 0;
 103     virtual void            drawPixel( long nX, long nY, SalColor nSalColor ) = 0;
 104     virtual void            drawLine( long nX1, long nY1, long nX2, long nY2 ) = 0;
 105     virtual void            drawRect( long nX, long nY, long nWidth, long nHeight ) = 0;
 106     virtual void            drawPolyLine( sal_uLong nPoints, const SalPoint* pPtAry ) = 0;
 107     virtual void            drawPolygon( sal_uLong nPoints, const SalPoint* pPtAry ) = 0;
 108     virtual void            drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry ) = 0;
 109     virtual bool            drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency ) = 0;
 110     virtual bool            drawPolyLine( const ::basegfx::B2DPolygon&,
 111                                           double fTransparency,
 112                                           const ::basegfx::B2DVector& rLineWidths,
 113                                           basegfx::B2DLineJoin,
 114                                           com::sun::star::drawing::LineCap) = 0;
 115     virtual sal_Bool        drawPolyLineBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ) = 0;
 116     virtual sal_Bool        drawPolygonBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ) = 0;
 117     virtual sal_Bool        drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry ) = 0;
 118
 119     // CopyArea --> No RasterOp, but ClipRegion
 120     virtual void            copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth,
 121                                       long nSrcHeight, sal_uInt16 nFlags ) = 0;
 122
 123     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
 124     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
 125     virtual void            copyBits( const SalTwoRect* pPosAry, SalGraphics* pSrcGraphics ) = 0;
 126     virtual void            drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap ) = 0;
 127     virtual void            drawBitmap( const SalTwoRect* pPosAry,
 128                                         const SalBitmap& rSalBitmap,
 129                                         SalColor nTransparentColor ) = 0;
 130     virtual void            drawBitmap( const SalTwoRect* pPosAry,
 131                                         const SalBitmap& rSalBitmap,
 132                                         const SalBitmap& rMaskBitmap ) = 0;
 133     virtual void            drawMask( const SalTwoRect* pPosAry,
 134                                       const SalBitmap& rSalBitmap,
 135                                       SalColor nMaskColor ) = 0;
 136
 137     virtual SalBitmap*      getBitmap( long nX, long nY, long nWidth, long nHeight ) = 0;
 138     virtual SalColor        getPixel( long nX, long nY ) = 0;
 139
 140     // invert --> ClipRegion (only Windows or VirDevs)
 141     virtual void            invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags) = 0;
 142     virtual void            invert( sal_uLong nPoints, const SalPoint* pPtAry, SalInvert nFlags ) = 0;
 143
 144     virtual sal_Bool        drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uLong nSize ) = 0;
 145
 146     // native widget rendering methods that require mirroring
 147     virtual sal_Bool        hitTestNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
 148                                                   const Point& aPos, sal_Bool& rIsInside );
 149     virtual sal_Bool        drawNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
 150                                                ControlState nState, const ImplControlValue& aValue,
 151                                                const OUString& aCaption );
 152     virtual sal_Bool        getNativeControlRegion( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, ControlState nState,
 153                                                     const ImplControlValue& aValue, const OUString& aCaption,
 154                                                     Rectangle &rNativeBoundingRegion, Rectangle &rNativeContentRegion );
 155
 156     /** Render bitmap with alpha channel
 157
 158         @param rSourceBitmap
 159         Source bitmap to blit
 160
 161         @param rAlphaBitmap
 162         Alpha channel to use for blitting
 163
 164         @return true, if the operation succeeded, and false
 165         otherwise. In this case, clients should try to emulate alpha
 166         compositing themselves
 167      */
 168     virtual bool            drawAlphaBitmap( const SalTwoRect&,
 169                                              const SalBitmap& rSourceBitmap,
 170                                              const SalBitmap& rAlphaBitmap ) = 0;
 171     /** Render solid rectangle with given transparency
 172
 173         @param nTransparency
 174         Transparency value (0-255) to use. 0 blits and opaque, 255 a
 175         fully transparent rectangle
 176      */
 177     virtual bool            drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ) = 0;
 178
 179 public:
 180     // public SalGraphics methods, the interface to the independent vcl part
 181
 182     // get device resolution
 183     virtual void            GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) = 0;
 184
 185     // get the depth of the device
 186     virtual sal_uInt16      GetBitCount() const = 0;
 187
 188     // get the width of the device
 189     virtual long            GetGraphicsWidth() const = 0;
 190
 191     // set the clip region to empty
 192     virtual void            ResetClipRegion() = 0;
 193
 194     // set the line color to transparent (= don't draw lines)
 195
 196     virtual void            SetLineColor() = 0;
 197
 198     // set the line color to a specific color
 199     virtual void            SetLineColor( SalColor nSalColor ) = 0;
 200
 201     // set the fill color to transparent (= don't fill)
 202     virtual void            SetFillColor() = 0;
 203
 204     // set the fill color to a specific color, shapes will be
 205     // filled accordingly
 206     virtual void            SetFillColor( SalColor nSalColor ) = 0;
 207
 208     // enable/disable XOR drawing
 209     virtual void            SetXORMode( bool bSet, bool bInvertOnly ) = 0;
 210
 211     // set line color for raster operations
 212     virtual void            SetROPLineColor( SalROPColor nROPColor ) = 0;
 213
 214     // set fill color for raster operations
 215     virtual void            SetROPFillColor( SalROPColor nROPColor ) = 0;
 216
 217     // set the text color to a specific color
 218     virtual void            SetTextColor( SalColor nSalColor ) = 0;
 219
 220     // set the font
 221     virtual sal_uInt16      SetFont( FontSelectPattern*, int nFallbackLevel ) = 0;
 222
 223     // release the fonts
 224     void                    ReleaseFonts() { SetFont( NULL, 0 ); }
 225
 226     // get the current font's metrics
 227     virtual void            GetFontMetric( ImplFontMetricData*, int nFallbackLevel = 0 ) = 0;
 228
 229     // get kerning pairs of the current font
 230     // return only PairCount if (pKernPairs == NULL)
 231     virtual sal_uLong       GetKernPairs( sal_uLong nMaxPairCount, ImplKernPairData* ) = 0;
 232
 233     // get the repertoire of the current font
 234     virtual const ImplFontCharMap*
 235                             GetImplFontCharMap() const = 0;
 236
 237     // get the layout capabilities of the current font
 238     virtual bool            GetImplFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const = 0;
 239
 240     // graphics must fill supplied font list
 241     virtual void            GetDevFontList( ImplDevFontList* ) = 0;
 242
 243     // graphics must drop any cached font info
 244     virtual void            ClearDevFontCache() = 0;
 245
 246     // graphics should call ImplAddDevFontSubstitute on supplied
 247     // OutputDevice for all its device specific preferred font substitutions
 248     virtual void            GetDevFontSubstList( OutputDevice* ) = 0;
 249
 250     virtual bool            AddTempDevFont( ImplDevFontList*, const OUString& rFileURL, const OUString& rFontName ) = 0;
 251
 252     // CreateFontSubset: a method to get a subset of glyhps of a font
 253     // inside a new valid font file
 254     // returns sal_True if creation of subset was successful
 255     // parameters: rToFile: contains a osl file URL to write the subset to
 256     //             pFont: describes from which font to create a subset
 257     //             pGlyphIDs: the glyph ids to be extracted
 258     //             pEncoding: the character code corresponding to each glyph
 259     //             pWidths: the advance widths of the correspoding glyphs (in PS font units)
 260     //             nGlyphs: the number of glyphs
 261     //             rInfo: additional outgoing information
 262     // implementation note: encoding 0 with glyph id 0 should be added implicitly
 263     // as "undefined character"
 264     virtual sal_Bool        CreateFontSubset( const OUString& rToFile,
 265                                               const PhysicalFontFace* pFont,
 266                                               sal_Int32* pGlyphIDs,
 267                                               sal_uInt8* pEncoding,
 268                                               sal_Int32* pWidths,
 269                                               int nGlyphs,
 270                                               FontSubsetInfo& rInfo ) = 0;
 271
 272     // GetFontEncodingVector: a method to get the encoding map Unicode
 273     // to font encoded character; this is only used for type1 fonts and
 274     // may return NULL in case of unknown encoding vector
 275     // if ppNonEncoded is set and non encoded characters (that is type1
 276     // glyphs with only a name) exist it is set to the corresponding
 277     // map for non encoded glyphs; the encoding vector contains -1
 278     // as encoding for these cases
 279     virtual const Ucs2SIntMap*
 280                             GetFontEncodingVector( const PhysicalFontFace*, const Ucs2OStrMap** ppNonEncoded ) = 0;
 281
 282     // GetEmbedFontData: gets the font data for a font marked
 283     // embeddable by GetDevFontList or NULL in case of error
 284     // parameters: pFont: describes the font in question
 285     //             pUnicodes: contains the Unicodes assigned to
 286     //             code points 0 to 255; must contain at least 256 members
 287     //             pWidths: the widths of all glyphs from char code 0 to 255
 288     //                      pWidths MUST support at least 256 members;
 289     //             rInfo: additional outgoing information
 290     //             pDataLen: out parameter, contains the byte length of the returned buffer
 291     virtual const void*     GetEmbedFontData( const PhysicalFontFace* pFont,
 292                                               const sal_Ucs* pUnicodes,
 293                                               sal_Int32* pWidths,
 294                                               FontSubsetInfo& rInfo,
 295                                               long* pDataLen ) = 0;
 296     // free the font data again
 297     virtual void            FreeEmbedFontData( const void* pData, long nDataLen ) = 0;
 298
 299     // get the same widths as in CreateFontSubset and GetEmbedFontData
 300     // in case of an embeddable font also fill the mapping
 301     // between unicode and glyph id
 302     // leave widths vector and mapping untouched in case of failure
 303     virtual void            GetGlyphWidths( const PhysicalFontFace* pFont,
 304                                             bool bVertical,
 305                                             Int32Vector& rWidths,
 306                                             Ucs2UIntMap& rUnicodeEnc ) = 0;
 307
 308     virtual sal_Bool        GetGlyphBoundRect( sal_GlyphId nIndex, Rectangle& ) = 0;
 309     virtual sal_Bool        GetGlyphOutline( sal_GlyphId nIndex, basegfx::B2DPolyPolygon& ) = 0;
 310
 311     virtual SalLayout*      GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ) = 0;
 312     virtual void            DrawServerFontLayout( const ServerFontLayout& ) = 0;
 313
 314     /** Filter text from DrawText commands in a device specific manner
 315         <p>
 316         This function allows a device (or rather the corresponding SalGraphics
 317         implementation) to prevent text portions from being drawn. This currently
 318         is used only for filtering out the fax number in a document that is printed
 319         to one of psprint's specialized "fax" printers.
 320         </p>
 321
 322         @param rOrigText
 323         The original text
 324
 325         @param rNewText
 326         A String that will be filled with the adjusted version
 327
 328         @param nIndex
 329         The index inside <code>rOrigText</code> that marks the first draw character
 330
 331         @param rLen
 332         in: length of text beginning at <code>nIndex</code> to be drawn
 333         out: length of <code>rNewText</code> containing the substituted text
 334
 335         @param rCutStart
 336         out: index at which the cutout portion of <code>rOrigText</code> begins
 337
 338         @param rCutStop
 339         out: index at which the cutout portion of <code>rOrigText</code> ends
 340
 341         @returns
 342         true: a substitution has taken place and rNewText rLen, rCutStart and rCutStop have been filled accordingly
 343         false: no substitution has taken place, rNewText, rLen, rCutStart, rCutStop remain unchanged
 344      */
 345     virtual bool            filterText( const OUString& rOrigText, OUString& rNewText,
 346                                         sal_Int32 nIndex, sal_Int32& rLen, sal_Int32& rCutStart, sal_Int32& rCutStop );
 347
 348     virtual bool            supportsOperation( OutDevSupportType ) const = 0;
 349
 350     // mirroring specifica
 351     int                     GetLayout() { return m_nLayout; }
 352     void                    SetLayout( int aLayout ) { m_nLayout = aLayout;}
 353
 354     void                    mirror( long& nX, const OutputDevice *pOutDev, bool bBack = false ) const;
 355     void                    mirror( long& nX, long& nWidth, const OutputDevice *pOutDev, bool bBack = false ) const;
 356     sal_Bool                mirror( sal_uInt32 nPoints, const SalPoint *pPtAry, SalPoint *pPtAry2, const OutputDevice *pOutDev, bool bBack = false ) const;
 357     void                    mirror( Rectangle& rRect, const OutputDevice*, bool bBack = false ) const;
 358     void                    mirror( Region& rRgn, const OutputDevice *pOutDev, bool bBack = false ) const;
 359     void                    mirror( ImplControlValue&, const OutputDevice*, bool bBack = false ) const;
 360     basegfx::B2DPoint       mirror( const basegfx::B2DPoint& i_rPoint, const OutputDevice *pOutDev, bool bBack = false ) const;
 361     basegfx::B2DPolygon     mirror( const basegfx::B2DPolygon& i_rPoly, const OutputDevice *pOutDev, bool bBack = false ) const;
 362     basegfx::B2DPolyPolygon mirror( const basegfx::B2DPolyPolygon& i_rPoly, const OutputDevice *pOutDev, bool bBack = false ) const;
 363
 364     // non virtual methods; these do possible coordinate mirroring and
 365     // then delegate to protected virtual methods
 366     bool                    SetClipRegion( const Region&, const OutputDevice *pOutDev );
 367
 368     // draw --> LineColor and FillColor and RasterOp and ClipRegion
 369     void                    DrawPixel( long nX, long nY, const OutputDevice *pOutDev );
 370     void                    DrawPixel( long nX, long nY, SalColor nSalColor, const OutputDevice *pOutDev );
 371     void                    DrawLine( long nX1, long nY1, long nX2, long nY2, const OutputDevice *pOutDev );
 372     void                    DrawRect( long nX, long nY, long nWidth, long nHeight, const OutputDevice *pOutDev );
 373     void                    DrawPolyLine( sal_uLong nPoints, const SalPoint* pPtAry, const OutputDevice *pOutDev );
 374     void                    DrawPolygon( sal_uLong nPoints, const SalPoint* pPtAry, const OutputDevice *pOutDev );
 375     void                    DrawPolyPolygon( sal_uInt32 nPoly,
 376                                              const sal_uInt32* pPoints,
 377                                              PCONSTSALPOINT* pPtAry,
 378                                              const OutputDevice *pOutDev );
 379     bool                    DrawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency, const OutputDevice* );
 380
 381     bool                    DrawPolyLine( const basegfx::B2DPolygon& i_rPolygon,
 382                                           double i_fTransparency,
 383                                           const basegfx::B2DVector& i_rLineWidth,
 384                                           basegfx::B2DLineJoin i_eLineJoin,
 385                                           com::sun::star::drawing::LineCap i_eLineCap,
 386                                           const OutputDevice* i_pOutDev);
 387
 388     sal_Bool                DrawPolyLineBezier( sal_uLong nPoints,
 389                                                 const SalPoint* pPtAry,
 390                                                 const sal_uInt8* pFlgAry,
 391                                                 const OutputDevice *pOutDev );
 392     sal_Bool                DrawPolygonBezier( sal_uLong nPoints,
 393                                                const SalPoint* pPtAry,
 394                                                const sal_uInt8* pFlgAry,
 395                                                const OutputDevice *pOutDev );
 396     sal_Bool                DrawPolyPolygonBezier( sal_uInt32 nPoly,
 397                                                    const sal_uInt32* pPoints,
 398                                                    const SalPoint* const* pPtAry,
 399                                                    const sal_uInt8* const* pFlgAry,
 400                                                    const OutputDevice *pOutDev );
 401
 402     // CopyArea --> No RasterOp, but ClipRegion
 403     void                    CopyArea( long nDestX, long nDestY,
 404                                       long nSrcX, long nSrcY,
 405                                       long nSrcWidth, long nSrcHeight,
 406                                       sal_uInt16 nFlags,
 407                                       const OutputDevice *pOutDev );
 408
 409     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
 410     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
 411     void                    CopyBits( const SalTwoRect* pPosAry,
 412                                       SalGraphics* pSrcGraphics,
 413                                       const OutputDevice *pOutDev,
 414                                       const OutputDevice *pSrcOutDev );
 415     void                    DrawBitmap( const SalTwoRect* pPosAry,
 416                                         const SalBitmap& rSalBitmap,
 417                                         const OutputDevice *pOutDev );
 418     void                    DrawBitmap( const SalTwoRect* pPosAry,
 419                                         const SalBitmap& rSalBitmap,
 420                                         const SalBitmap& rTransparentBitmap,
 421                                         const OutputDevice *pOutDev );
 422
 423     void                    DrawMask( const SalTwoRect* pPosAry,
 424                                       const SalBitmap& rSalBitmap,
 425                                       SalColor nMaskColor,
 426                                       const OutputDevice *pOutDev );
 427
 428     SalBitmap*              GetBitmap( long nX, long nY,
 429                                        long nWidth, long nHeight,
 430                                        const OutputDevice *pOutDev );
 431
 432     SalColor                GetPixel( long nX, long nY,
 433                                       const OutputDevice *pOutDev );
 434
 435     // invert --> ClipRegion (only Windows)
 436     void                    Invert( long nX, long nY,
 437                                     long nWidth, long nHeight,
 438                                     SalInvert nFlags,
 439                                     const OutputDevice *pOutDev );
 440
 441     void                    Invert( sal_uLong nPoints,
 442                                     const SalPoint* pPtAry,
 443                                     SalInvert nFlags,
 444                                     const OutputDevice *pOutDev );
 445
 446     sal_Bool                DrawEPS( long nX, long nY,
 447                                      long nWidth, long nHeight,
 448                                      void* pPtr,
 449                                      sal_uLong nSize,
 450                                      const OutputDevice *pOutDev );
 451
 452     //  native widget rendering functions
 453
 454     // Query the platform layer for control support
 455     virtual sal_Bool        IsNativeControlSupported( ControlType nType, ControlPart nPart );
 456
 457     // Query the native control to determine if it was acted upon
 458     sal_Bool                HitTestNativeControl( ControlType nType,
 459                                                   ControlPart nPart,
 460                                                   const Rectangle& rControlRegion,
 461                                                   const Point& aPos,
 462                                                   sal_Bool& rIsInside,
 463                                                   const OutputDevice *pOutDev );
 464
 465     // Request rendering of a particular control and/or part
 466     sal_Bool                DrawNativeControl( ControlType nType,
 467                                                ControlPart nPart,
 468                                                const Rectangle& rControlRegion,
 469                                                ControlState nState,
 470                                                const ImplControlValue& aValue,
 471                                                const OUString& aCaption,
 472                                                const OutputDevice *pOutDev );
 473
 474     // Query the native control's actual drawing region (including adornment)
 475     sal_Bool                GetNativeControlRegion( ControlType nType,
 476                                                     ControlPart nPart,
 477                                                     const Rectangle& rControlRegion,
 478                                                     ControlState nState,
 479                                                     const ImplControlValue& aValue,
 480                                                     const OUString& aCaption,
 481                                                     Rectangle &rNativeBoundingRegion,
 482                                                     Rectangle &rNativeContentRegion,
 483                                                     const OutputDevice *pOutDev );
 484
 485     bool                    DrawAlphaBitmap( const SalTwoRect&,
 486                                              const SalBitmap& rSourceBitmap,
 487                                              const SalBitmap& rAlphaBitmap,
 488                                              const OutputDevice *pOutDev );
 489
 490     bool                    DrawAlphaRect( long nX, long nY, long nWidth, long nHeight,
 491                                            sal_uInt8 nTransparency, const OutputDevice *pOutDev );
 492
 493     virtual SystemGraphicsData
 494                             GetGraphicsData() const = 0;
 495
 496     virtual SystemFontData  GetSysFontData( int nFallbacklevel ) const = 0;
 497 };
 498
 499 #endif // _SV_SALGDI_HXX
 500
 501 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */