xref: /trunk/main/vcl/inc/salgdi.hxx (revision 5f27b83c)
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21 
22 
23 
24 #ifndef _SV_SALGDI_HXX
25 #define _SV_SALGDI_HXX
26 
27 #include "tools/string.hxx"
28 #include "rtl/ustring.hxx"
29 #include "vcl/sv.h"
30 #include "vcl/dllapi.h"
31 #include "vcl/salgtype.hxx"
32 #include "vos/thread.hxx"
33 #include "vcl/outdev.hxx"
34 #include "vcl/salnativewidgets.hxx"
35 
36 #include <map>
37 
38 class ImplDevFontList;
39 class SalBitmap;
40 class ImplFontSelectData;
41 class ImplFontMetricData;
42 struct ImplKernPairData;
43 class ImplFontData;
44 class ImplFontCharMap;
45 class SalLayout;
46 class ImplLayoutArgs;
47 class Rectangle;
48 class FontSubsetInfo;
49 class OutputDevice;
50 class ServerFontLayout;
51 struct SystemGraphicsData;
52 struct SystemFontData;
53 
54 namespace basegfx {
55     class B2DVector;
56     class B2DPolygon;
57     class B2DPolyPolygon;
58 }
59 
60 // ---------------------
61 // - SalGraphics-Codes -
62 // ---------------------
63 
64 #define SAL_SETFONT_REMOVEANDMATCHNEW       ((sal_uInt16)0x0001)
65 #define SAL_SETFONT_USEDRAWTEXT             ((sal_uInt16)0x0002)
66 #define SAL_SETFONT_USEDRAWTEXTARRAY        ((sal_uInt16)0x0004)
67 #define SAL_SETFONT_UNICODE                 ((sal_uInt16)0x0008)
68 #define SAL_SETFONT_BADFONT                 ((sal_uInt16)0x1000)
69 
70 #define SAL_COPYAREA_WINDOWINVALIDATE       ((sal_uInt16)0x0001)
71 
72 // -------------------
73 // - common typedefs -
74 // -------------------
75 
76 typedef sal_Unicode sal_Ucs; // TODO: use sal_UCS4 instead of sal_Unicode
77 typedef std::map< sal_Ucs, sal_Int32 >    Ucs2SIntMap;
78 typedef std::map< sal_Ucs, sal_uInt32 >   Ucs2UIntMap;
79 typedef std::map< sal_Ucs, rtl::OString > Ucs2OStrMap;
80 typedef std::vector< sal_Int32 > Int32Vector;
81 
82 // ---------------
83 // - SalGraphics -
84 // ---------------
85 
86 // note: if you add any new methods to class SalGraphics using coordinates
87 //       make sure they have a corresponding protected pure virtual method
88 //       which has to be implemented by the platform dependent part.
89 //       Add a method that performs coordinate mirroring if required, (see
90 //       existing methods as sample) and then calls the equivalent pure method.
91 
92 // note: all positions are in pixel and relative to
93 // the top/left-position of the virtual output area
94 
95 class VCL_PLUGIN_PUBLIC SalGraphics
96 {
97 	int						m_nLayout; // 0: mirroring off, 1: mirror x-axis
98 
99 protected:
100     /// bitfield
101     // flags which hold the SetAntialiasing() value from OutputDevice
102     bool                    m_bAntiAliasB2DDraw : 1;
103 
104 public:
105     // get/set AA
106     void setAntiAliasB2DDraw(bool bNew) { m_bAntiAliasB2DDraw = bNew; }
107     bool getAntiAliasB2DDraw() const { return m_bAntiAliasB2DDraw; }
108 
109     SalGraphics();
110     virtual ~SalGraphics();
111 
112 protected:
113     virtual bool        setClipRegion( const Region& ) = 0;
114     // draw --> LineColor and FillColor and RasterOp and ClipRegion
115     virtual void		drawPixel( long nX, long nY ) = 0;
116     virtual void		drawPixel( long nX, long nY, SalColor nSalColor ) = 0;
117     virtual void		drawLine( long nX1, long nY1, long nX2, long nY2 ) = 0;
118     virtual void		drawRect( long nX, long nY, long nWidth, long nHeight ) = 0;
119     virtual void		drawPolyLine( sal_uLong nPoints, const SalPoint* pPtAry ) = 0;
120     virtual void		drawPolygon( sal_uLong nPoints, const SalPoint* pPtAry ) = 0;
121     virtual void		drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry ) = 0;
122     virtual bool        drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency ) = 0;
123     virtual bool        drawPolyLine(
124         const ::basegfx::B2DPolygon&,
125         double fTransparency,
126         const ::basegfx::B2DVector& rLineWidths,
127         basegfx::B2DLineJoin,
128         com::sun::star::drawing::LineCap) = 0;
129     virtual sal_Bool	drawPolyLineBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ) = 0;
130     virtual sal_Bool	drawPolygonBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ) = 0;
131     virtual sal_Bool	drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry ) = 0;
132 
133     // CopyArea --> No RasterOp, but ClipRegion
134     virtual void		copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth,
135                                   long nSrcHeight, sal_uInt16 nFlags ) = 0;
136 
137     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
138     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
139     virtual void		copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) = 0;
140     virtual void		drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) = 0;
141     virtual void		drawBitmap( const SalTwoRect& rPosAry,
142                                     const SalBitmap& rSalBitmap,
143                                     SalColor nTransparentColor ) = 0;
144     virtual void		drawBitmap( const SalTwoRect& rPosAry,
145                                     const SalBitmap& rSalBitmap,
146                                     const SalBitmap& rMaskBitmap ) = 0;
147     virtual void		drawMask( const SalTwoRect& rPosAry,
148                                   const SalBitmap& rSalBitmap,
149                                   SalColor nMaskColor ) = 0;
150 
151     virtual SalBitmap*	getBitmap( long nX, long nY, long nWidth, long nHeight ) = 0;
152     virtual SalColor	getPixel( long nX, long nY ) = 0;
153 
154     // invert --> ClipRegion (only Windows or VirDevs)
155     virtual void		invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags) = 0;
156     virtual void		invert( sal_uLong nPoints, const SalPoint* pPtAry, SalInvert nFlags ) = 0;
157 
158     virtual sal_Bool		drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uLong nSize ) = 0;
159 
160     // native widget rendering methods that require mirroring
161     virtual sal_Bool        hitTestNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
162                                               const Point& aPos, sal_Bool& rIsInside );
163     virtual sal_Bool        drawNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
164                                            ControlState nState, const ImplControlValue& aValue,
165                                            const rtl::OUString& aCaption );
166     virtual sal_Bool        drawNativeControlText( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
167                                                ControlState nState, const ImplControlValue& aValue,
168                                                const rtl::OUString& aCaption );
169     virtual sal_Bool        getNativeControlRegion( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, ControlState nState,
170                                                 const ImplControlValue& aValue, const rtl::OUString& aCaption,
171                                                 Rectangle &rNativeBoundingRegion, Rectangle &rNativeContentRegion );
172 
173     /** Render bitmap with alpha channel
174 
175         @param rSourceBitmap
176         Source bitmap to blit
177 
178         @param rAlphaBitmap
179         Alpha channel to use for blitting
180 
181         @return true, if the operation succeeded, and false
182         otherwise. In this case, clients should try to emulate alpha
183         compositing themselves
184      */
185     virtual bool		drawAlphaBitmap( const SalTwoRect&,
186                                          const SalBitmap& rSourceBitmap,
187                                          const SalBitmap& rAlphaBitmap ) = 0;
188 
189     /** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system */
190     virtual bool drawTransformedBitmap(
191         const basegfx::B2DPoint& rNull,
192         const basegfx::B2DPoint& rX,
193         const basegfx::B2DPoint& rY,
194         const SalBitmap& rSourceBitmap,
195         const SalBitmap* pAlphaBitmap) = 0;
196 
197     /** Render solid rectangle with given transparency
198 
199         @param nTransparency
200         Transparency value (0-255) to use. 0 blits and opaque, 255 a
201         fully transparent rectangle
202      */
203     virtual bool		drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ) = 0;
204 
205 public:
206     // public SalGraphics methods, the interface to the independent vcl part
207 
208     // get device resolution
209     virtual void			GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) = 0;
210     // get the depth of the device
211     virtual sal_uInt16			GetBitCount() = 0;
212     // get the width of the device
213     virtual long			GetGraphicsWidth() const = 0;
214 
215     // set the clip region to empty
216     virtual void			ResetClipRegion() = 0;
217 
218     // set the line color to transparent (= don't draw lines)
219     virtual void			SetLineColor() = 0;
220     // set the line color to a specific color
221     virtual void			SetLineColor( SalColor nSalColor ) = 0;
222     // set the fill color to transparent (= don't fill)
223     virtual void			SetFillColor() = 0;
224     // set the fill color to a specific color, shapes will be
225     // filled accordingly
226     virtual void          	SetFillColor( SalColor nSalColor ) = 0;
227     // enable/disable XOR drawing
228     virtual void			SetXORMode( bool bSet, bool bInvertOnly ) = 0;
229     // set line color for raster operations
230     virtual void			SetROPLineColor( SalROPColor nROPColor ) = 0;
231     // set fill color for raster operations
232     virtual void			SetROPFillColor( SalROPColor nROPColor ) = 0;
233     // set the text color to a specific color
234     virtual void			SetTextColor( SalColor nSalColor ) = 0;
235     // set the font
236     virtual sal_uInt16         SetFont( ImplFontSelectData*, int nFallbackLevel ) = 0;
237     // release the fonts
238     void                   ReleaseFonts() { SetFont( NULL, 0 ); }
239     // get the current font's metrics
240     virtual void			GetFontMetric( ImplFontMetricData*, int nFallbackLevel = 0 ) = 0;
241 
242     // get kernign pairs of the current font
243     // return only PairCount if (pKernPairs == NULL)
244     virtual sal_uLong			GetKernPairs( sal_uLong nMaxPairCount, ImplKernPairData* ) = 0;
245     // get the repertoire of the current font
246     virtual const ImplFontCharMap* GetImplFontCharMap() const = 0;
247     // graphics must fill supplied font list
248     virtual void			GetDevFontList( ImplDevFontList* ) = 0;
249     // graphics should call ImplAddDevFontSubstitute on supplied
250     // OutputDevice for all its device specific preferred font substitutions
251     virtual void			GetDevFontSubstList( OutputDevice* ) = 0;
252     virtual bool			AddTempDevFont( ImplDevFontList*, const String& rFileURL, const String& rFontName ) = 0;
253     // CreateFontSubset: a method to get a subset of glyhps of a font
254     // inside a new valid font file
255     // returns sal_True if creation of subset was successfull
256     // parameters: rToFile: contains a osl file URL to write the subset to
257     //             pFont: describes from which font to create a subset
258     //             pGlyphIDs: the glyph ids to be extracted
259     //             pEncoding: the character code corresponding to each glyph
260     //             pWidths: the advance widths of the correspoding glyphs (in PS font units)
261     //             nGlyphs: the number of glyphs
262     //             rInfo: additional outgoing information
263     // implementation note: encoding 0 with glyph id 0 should be added implicitly
264     // as "undefined character"
265     virtual sal_Bool			CreateFontSubset( const rtl::OUString& rToFile,
266                                               const ImplFontData* pFont,
267                                               sal_Int32* pGlyphIDs,
268                                               sal_uInt8* pEncoding,
269                                               sal_Int32* pWidths,
270                                               int nGlyphs,
271                                               FontSubsetInfo& rInfo // out parameter
272                                               ) = 0;
273 
274     // GetFontEncodingVector: a method to get the encoding map Unicode
275 	// to font encoded character; this is only used for type1 fonts and
276     // may return NULL in case of unknown encoding vector
277     // if ppNonEncoded is set and non encoded characters (that is type1
278     // glyphs with only a name) exist it is set to the corresponding
279     // map for non encoded glyphs; the encoding vector contains -1
280     // as encoding for these cases
281     virtual const Ucs2SIntMap* GetFontEncodingVector( const ImplFontData*, const Ucs2OStrMap** ppNonEncoded ) = 0;
282 
283     // GetEmbedFontData: gets the font data for a font marked
284     // embeddable by GetDevFontList or NULL in case of error
285     // parameters: pFont: describes the font in question
286     //             pUnicodes: contains the Unicodes assigned to
287     //             code points 0 to 255; must contain at least 256 members
288     //             pWidths: the widths of all glyphs from char code 0 to 255
289     //                      pWidths MUST support at least 256 members;
290     //             rInfo: additional outgoing information
291     //             pDataLen: out parameter, contains the byte length of the returned buffer
292     virtual const void* GetEmbedFontData( const ImplFontData* pFont,
293                                           const sal_Ucs* pUnicodes,
294                                           sal_Int32* pWidths,
295                                           FontSubsetInfo& rInfo,
296                                           long* pDataLen ) = 0;
297     // frees the font data again
298     virtual void			FreeEmbedFontData( const void* pData, long nDataLen ) = 0;
299 
300     // get the same widths as in CreateFontSubset and GetEmbedFontData
301     // in case of an embeddable font also fill the mapping
302     // between unicode and glyph id
303     // leave widths vector and mapping untouched in case of failure
304     virtual void            GetGlyphWidths( const ImplFontData* pFont,
305                                             bool bVertical,
306                                             Int32Vector& rWidths,
307                                             Ucs2UIntMap& rUnicodeEnc ) = 0;
308 
309     virtual sal_Bool                    GetGlyphBoundRect( long nIndex, Rectangle& ) = 0;
310     virtual sal_Bool                    GetGlyphOutline( long nIndex, basegfx::B2DPolyPolygon& ) = 0;
311 
312     virtual SalLayout*              GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ) = 0;
313     virtual void					 DrawServerFontLayout( const ServerFontLayout& ) = 0;
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 String& rOrigText, String& rNewText, xub_StrLen nIndex, xub_StrLen& rLen, xub_StrLen& rCutStart, xub_StrLen& rCutStop );
346 
347     virtual bool            supportsOperation( OutDevSupportType ) const = 0;
348 
349     // mirroring specifica
350 	int						GetLayout() { return m_nLayout; }
351 	void					SetLayout( int aLayout ) { m_nLayout = aLayout;}
352 
353 	void					mirror( long& nX, const OutputDevice *pOutDev, bool bBack = false ) const;
354 	void					mirror( long& nX, long& nWidth, const OutputDevice *pOutDev, bool bBack = false ) const;
355 	sal_Bool					mirror( sal_uInt32 nPoints, const SalPoint *pPtAry, SalPoint *pPtAry2, const OutputDevice *pOutDev, bool bBack = false ) const;
356     void                    mirror( Rectangle& rRect, const OutputDevice*, bool bBack = false ) const;
357     void                    mirror( Region& rRgn, const OutputDevice *pOutDev, bool bBack = false ) const;
358     void                    mirror( ControlType,const ImplControlValue&,const OutputDevice*,bool bBack = false) const;
359 	basegfx::B2DPoint       mirror( const basegfx::B2DPoint& i_rPoint, const OutputDevice *pOutDev, bool bBack = false ) const;
360 	basegfx::B2DPolygon     mirror( const basegfx::B2DPolygon& i_rPoly, const OutputDevice *pOutDev, bool bBack = false ) const;
361 	basegfx::B2DPolyPolygon mirror( const basegfx::B2DPolyPolygon& i_rPoly, const OutputDevice *pOutDev, bool bBack = false ) const;
362 
363     // non virtual methods; these do possible coordinate mirroring and
364     // then delegate to protected virtual methods
365     bool                    SetClipRegion( const Region&, const OutputDevice *pOutDev );
366 
367     // draw --> LineColor and FillColor and RasterOp and ClipRegion
368     void                    DrawPixel( long nX, long nY, const OutputDevice *pOutDev );
369     void                    DrawPixel( long nX, long nY, SalColor nSalColor, const OutputDevice *pOutDev );
370     void                    DrawLine( long nX1, long nY1, long nX2, long nY2, const OutputDevice *pOutDev );
371     void                    DrawRect( long nX, long nY, long nWidth, long nHeight, const OutputDevice *pOutDev );
372     void                    DrawPolyLine( sal_uLong nPoints, const SalPoint* pPtAry, const OutputDevice *pOutDev );
373     void                    DrawPolygon( sal_uLong nPoints, const SalPoint* pPtAry, const OutputDevice *pOutDev );
374     void                    DrawPolyPolygon( sal_uInt32 nPoly,
375                                              const sal_uInt32* pPoints,
376                                              PCONSTSALPOINT* pPtAry,
377                                              const OutputDevice *pOutDev );
378     bool                    DrawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency, const OutputDevice* );
379 
380     bool DrawPolyLine(
381         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,
404                                       long nDestY,
405                                       long nSrcX,
406                                       long nSrcY,
407                                       long nSrcWidth,
408                                       long nSrcHeight,
409                                       sal_uInt16 nFlags,
410                                       const OutputDevice *pOutDev );
411 
412     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
413     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
414     void                    CopyBits( const SalTwoRect& rPosAry,
415                                       SalGraphics* pSrcGraphics,
416                                       const OutputDevice *pOutDev,
417                                       const OutputDevice *pSrcOutDev );
418     void                    DrawBitmap( const SalTwoRect& rPosAry,
419                                         const SalBitmap& rSalBitmap,
420                                         const OutputDevice *pOutDev );
421     void                    DrawBitmap( const SalTwoRect& rPosAry,
422                                         const SalBitmap& rSalBitmap,
423                                         SalColor nTransparentColor,
424                                         const OutputDevice *pOutDev );
425     void                    DrawBitmap( const SalTwoRect& rPosAry,
426                                         const SalBitmap& rSalBitmap,
427                                         const SalBitmap& rTransparentBitmap,
428                                         const OutputDevice *pOutDev );
429 
430     void                    DrawMask( const SalTwoRect& rPosAry,
431                                       const SalBitmap& rSalBitmap,
432                                       SalColor nMaskColor,
433                                       const OutputDevice *pOutDev );
434 
435     SalBitmap*              GetBitmap( long nX, long nY, long nWidth, long nHeight, const OutputDevice *pOutDev );
436     SalColor                GetPixel( long nX, long nY, const OutputDevice *pOutDev );
437 
438     // invert --> ClipRegion (only Windows)
439     void                    Invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags, const OutputDevice *pOutDev );
440     void                    Invert( sal_uLong nPoints, const SalPoint* pPtAry, SalInvert nFlags, const OutputDevice *pOutDev );
441 
442     sal_Bool                    DrawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uLong nSize, const OutputDevice *pOutDev );
443 
444     //-------------------------------------
445     //  Native Widget Rendering functions
446     //-------------------------------------
447 
448     // Query the platform layer for control support
449     virtual sal_Bool IsNativeControlSupported( ControlType nType, ControlPart nPart );
450 
451     // Query the native control to determine if it was acted upon
452     sal_Bool HitTestNativeControl( ControlType nType,
453 									  ControlPart nPart,
454 									  const Rectangle& rControlRegion,
455 									  const Point& aPos,
456                                       sal_Bool& rIsInside,
457                                       const OutputDevice *pOutDev );
458 
459     // Request rendering of a particular control and/or part
460     sal_Bool DrawNativeControl( ControlType nType,
461 									ControlPart nPart,
462 									const Rectangle& rControlRegion,
463 									ControlState nState,
464 									const ImplControlValue& aValue,
465 									const rtl::OUString& aCaption,
466                                     const OutputDevice *pOutDev );
467 
468     // Request rendering of a caption string for a control
469     sal_Bool DrawNativeControlText( ControlType nType,
470 										ControlPart nPart,
471 										const Rectangle& rControlRegion,
472 										ControlState nState,
473 										const ImplControlValue& aValue,
474 										const rtl::OUString& aCaption,
475                                         const OutputDevice *pOutDev );
476 
477     // Query the native control's actual drawing region (including adornment)
478     sal_Bool GetNativeControlRegion( ControlType nType,
479 										 ControlPart nPart,
480 										 const Rectangle& rControlRegion,
481 										 ControlState nState,
482 										 const ImplControlValue& aValue,
483 										 const rtl::OUString& aCaption,
484 										 Rectangle &rNativeBoundingRegion,
485 										 Rectangle &rNativeContentRegion,
486                                          const OutputDevice *pOutDev );
487 
488     static void AddDevFontSubstitute( OutputDevice* pOutDev,
489                                       const String& rFontName,
490                                       const String& rReplaceFontName,
491                                       sal_uInt16 nFlags = 0 );
492 
493     bool DrawAlphaBitmap( const SalTwoRect&,
494                           const SalBitmap& rSourceBitmap,
495                           const SalBitmap& rAlphaBitmap,
496                           const OutputDevice *pOutDev );
497 
498     bool DrawTransformedBitmap(
499         const basegfx::B2DPoint& rNull,
500         const basegfx::B2DPoint& rX,
501         const basegfx::B2DPoint& rY,
502         const SalBitmap& rSourceBitmap,
503         const SalBitmap* pAlphaBitmap,
504         const OutputDevice* pOutDev );
505 
506     bool DrawAlphaRect( long nX, long nY, long nWidth, long nHeight,
507                         sal_uInt8 nTransparency, const OutputDevice *pOutDev );
508 
509     virtual SystemGraphicsData   GetGraphicsData() const = 0;
510     virtual SystemFontData       GetSysFontData( int nFallbacklevel ) const = 0;
511 };
512 
513 #endif // _SV_SALGDI_HXX
514