xref: /AOO41X/main/vcl/inc/os2/salgdi.h (revision b2937f997bda0a05141a2d862a64f7be893955b7)
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27 
28 #ifndef _SV_SALGDI_H
29 #define _SV_SALGDI_H
30 
31 #include <sallayout.hxx>
32 #include <salgdi.hxx>
33 #include <outfont.hxx>
34 #include <impfont.hxx>
35 
36 #include <hash_set>
37 
38 class ImplOs2FontEntry;
39 
40 // -----------
41 // - Defines -
42 // -----------
43 
44 // win32 platform specific options. Move them to the PMK file?
45 #define GCP_USEKERNING    0x0008
46 #define USE_UNISCRIBE
47 #define GCP_KERN_HACK
48 #define GNG_VERT_HACK
49 
50 // os2 specific physically available font face
51 class ImplOs2FontData : public ImplFontData
52 {
53 public:
54                             ImplOs2FontData( PFONTMETRICS,
55                                 int nFontHeight,
56                                 PM_BYTE nPitchAndFamily  );
57                             ~ImplOs2FontData();
58 
59     virtual ImplFontData*   Clone() const;
60     virtual ImplFontEntry*  CreateFontInstance( ImplFontSelectData& ) const;
61     virtual sal_IntPtr      GetFontId() const;
62     void                    SetFontId( sal_IntPtr nId ) { mnId = nId; }
63     void                    UpdateFromHPS( HPS ) const;
64 
65     bool                    HasChar( sal_uInt32 cChar ) const;
66 
67     PFONTMETRICS            GetFontMetrics() const          { return pFontMetric; }
68     USHORT                  GetCharSet() const          { return meOs2CharSet; }
69     PM_BYTE                    GetPitchAndFamily() const   { return mnPitchAndFamily; }
70     bool                    IsGlyphApiDisabled() const  { return mbDisableGlyphApi; }
71     bool                    SupportsKorean() const      { return mbHasKoreanRange; }
72     bool                    SupportsCJK() const         { return mbHasCJKSupport; }
73     bool                    SupportsArabic() const      { return mbHasArabicSupport; }
74     bool                    AliasSymbolsHigh() const    { return mbAliasSymbolsHigh; }
75     bool                    AliasSymbolsLow() const     { return mbAliasSymbolsLow; }
76 
77     const ImplFontCharMap*        GetImplFontCharMap() const;
78     const Ucs2SIntMap* GetEncodingVector() const { return mpEncodingVector; }
79     void SetEncodingVector( const Ucs2SIntMap* pNewVec ) const
80     {
81         if( mpEncodingVector )
82             delete mpEncodingVector;
83         mpEncodingVector = pNewVec;
84     }
85 
86 private:
87     sal_IntPtr              mnId;
88     mutable bool                    mbDisableGlyphApi;
89     mutable bool                    mbHasKoreanRange;
90     mutable bool                    mbHasCJKSupport;
91 
92     mutable bool                    mbHasArabicSupport;
93     mutable ImplFontCharMap*        mpUnicodeMap;
94     mutable const Ucs2SIntMap*      mpEncodingVector;
95 
96     // TODO: get rid of the members below needed to work with the Win9x non-unicode API
97     PM_BYTE*                   mpFontCharSets;     // all Charsets for the current font (used on W98 for kerning)
98     PM_BYTE                    mnFontCharSetCount; // Number of Charsets of the current font; 0 - if not queried
99     USHORT                  meOs2CharSet;
100     PM_BYTE                    mnPitchAndFamily;
101     bool                    mbAliasSymbolsHigh;
102     bool                    mbAliasSymbolsLow;
103     PFONTMETRICS            pFontMetric;
104 
105 private:
106     void                    ReadCmapTable( HDC ) const;
107     void                    ReadOs2Table( HDC ) const;
108 
109 #ifdef GNG_VERT_HACK
110     void                    ReadGsubTable( HDC ) const;
111 
112     typedef std::hash_set<int> IntHashSet;
113     mutable IntHashSet      maGsubTable;
114     mutable bool            mbGsubRead;
115 public:
116     bool                    HasGSUBstitutions( HDC ) const;
117     bool                    IsGSUBstituted( sal_Unicode ) const;
118 #endif // GNG_VERT_HACK
119 
120 };
121 
122 
123 // -------------------
124 // - SalGraphicsData -
125 // -------------------
126 
127 class Os2SalGraphics : public SalGraphics
128 {
129 public:
130     HPS                     mhPS;               // HPS
131     HDC                     mhDC;               // HDC
132     HWND                    mhWnd;              // HWND
133     LONG                    mnHeight;           // Height of frame Window
134     ULONG                   mnClipElementCount; // number of clip rects in clip rect array
135     RECTL*                  mpClipRectlAry;     // clip rect array
136     ULONG                   mnFontMetricCount;  // number of entries in the font list
137     PFONTMETRICS            mpFontMetrics;      // cached font list
138     LONG                    mnOrientationX;     // X-Font orientation
139     LONG                    mnOrientationY;     // Y-Font orientation
140     sal_Bool                    mbLine;             // draw lines
141     sal_Bool                    mbFill;             // fill areas
142     sal_Bool                    mbPrinter;          // is Printer
143     sal_Bool                    mbVirDev;           // is VirDev
144     sal_Bool                    mbWindow;           // is Window
145     sal_Bool                    mbScreen;           // is Screen compatible
146     bool                    mbXORMode;          // _every_ output with RasterOp XOR
147     ULONG                   mhFonts[ MAX_FALLBACK ];        // Font + Fallbacks
148     const ImplOs2FontData*          mpOs2FontData[ MAX_FALLBACK ];  // pointer to the most recent font face
149     ImplOs2FontEntry*           mpOs2FontEntry[ MAX_FALLBACK ]; // pointer to the most recent font instance
150     ULONG                   mhDefFont;          // DefaultFont
151     float                   mfFontScale;            // allows metrics emulation of huge font sizes
152     sal_Bool                    mbFontKernInit;     // FALSE: FontKerns must be queried
153     KERNINGPAIRS*               mpFontKernPairs;    // Kerning Pairs of the current Font
154     ULONG                   mnFontKernPairCount;// Number of Kerning Pairs of the current Font
155 
156     USHORT                  ImplDoSetFont( ImplFontSelectData* i_pFont, float& o_rFontScale, int );
157 
158 public:
159     Os2SalGraphics();
160     virtual ~Os2SalGraphics();
161 
162 protected:
163     virtual bool        setClipRegion( const Region& );
164     // draw --> LineColor and FillColor and RasterOp and ClipRegion
165     virtual void        drawPixel( long nX, long nY );
166     virtual void        drawPixel( long nX, long nY, SalColor nSalColor );
167     virtual void        drawLine( long nX1, long nY1, long nX2, long nY2 );
168     virtual void        drawRect( long nX, long nY, long nWidth, long nHeight );
169     virtual void        drawPolyLine( ULONG nPoints, const SalPoint* pPtAry );
170     virtual void        drawPolygon( ULONG nPoints, const SalPoint* pPtAry );
171     virtual void        drawPolyPolygon( ULONG nPoly, const ULONG* pPoints, PCONSTSALPOINT* pPtAry );
172     virtual bool        drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency );
173     virtual bool        drawPolyLine( const ::basegfx::B2DPolygon&, double fTransparency, const ::basegfx::B2DVector& rLineWidth, basegfx::B2DLineJoin );
174     virtual sal_Bool    drawPolyLineBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry );
175     virtual sal_Bool    drawPolygonBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry );
176     virtual sal_Bool    drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry );
177 
178     // CopyArea --> No RasterOp, but ClipRegion
179     virtual void        copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth,
180                                   long nSrcHeight, USHORT nFlags );
181 
182     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
183     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
184     virtual void        copyBits( const SalTwoRect* pPosAry, SalGraphics* pSrcGraphics );
185     virtual void        drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap );
186     virtual void        drawBitmap( const SalTwoRect* pPosAry,
187                                     const SalBitmap& rSalBitmap,
188                                     SalColor nTransparentColor );
189     virtual void        drawBitmap( const SalTwoRect* pPosAry,
190                                     const SalBitmap& rSalBitmap,
191                                     const SalBitmap& rTransparentBitmap );
192     virtual void        drawMask( const SalTwoRect* pPosAry,
193                                   const SalBitmap& rSalBitmap,
194                                   SalColor nMaskColor );
195 
196     virtual SalBitmap*  getBitmap( long nX, long nY, long nWidth, long nHeight );
197     virtual SalColor    getPixel( long nX, long nY );
198 
199     // invert --> ClipRegion (only Windows or VirDevs)
200     virtual void        invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags);
201     virtual void        invert( ULONG nPoints, const SalPoint* pPtAry, SalInvert nFlags );
202 
203     virtual sal_Bool        drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, ULONG nSize );
204 
205 #if 0
206     // native widget rendering methods that require mirroring
207     virtual sal_Bool        hitTestNativeControl( ControlType nType, ControlPart nPart, const Region& rControlRegion,
208                                               const Point& aPos, sal_Bool& rIsInside );
209     virtual sal_Bool        drawNativeControl( ControlType nType, ControlPart nPart, const Region& rControlRegion,
210                                            ControlState nState, const ImplControlValue& aValue,
211                                            rtl::OUString aCaption );
212     virtual sal_Bool        drawNativeControlText( ControlType nType, ControlPart nPart, const Region& rControlRegion,
213                                                ControlState nState, const ImplControlValue& aValue,
214                                                rtl::OUString aCaption );
215     virtual sal_Bool        getNativeControlRegion( ControlType nType, ControlPart nPart, const Region& rControlRegion, ControlState nState,
216                                                 const ImplControlValue& aValue, rtl::OUString aCaption,
217                                                 Region &rNativeBoundingRegion, Region &rNativeContentRegion );
218 #endif
219 
220     virtual bool        drawAlphaBitmap( const SalTwoRect&,
221                                          const SalBitmap& rSourceBitmap,
222                                          const SalBitmap& rAlphaBitmap );
223     virtual bool        drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency );
224 
225 public:
226     // public SalGraphics methods, the interface to teh independent vcl part
227 
228     // get device resolution
229     virtual void            GetResolution( long& rDPIX, long& rDPIY );
230     // get the depth of the device
231     virtual USHORT          GetBitCount();
232     // get the width of the device
233     virtual long            GetGraphicsWidth() const;
234 
235     // set the clip region to empty
236     virtual void            ResetClipRegion();
237 
238     // set the line color to transparent (= don't draw lines)
239     virtual void            SetLineColor();
240     // set the line color to a specific color
241     virtual void            SetLineColor( SalColor nSalColor );
242     // set the fill color to transparent (= don't fill)
243     virtual void            SetFillColor();
244     // set the fill color to a specific color, shapes will be
245     // filled accordingly
246     virtual void            SetFillColor( SalColor nSalColor );
247     // enable/disable XOR drawing
248     virtual void            SetXORMode( bool bSet, bool );
249     // set line color for raster operations
250     virtual void            SetROPLineColor( SalROPColor nROPColor );
251     // set fill color for raster operations
252     virtual void            SetROPFillColor( SalROPColor nROPColor );
253     // set the text color to a specific color
254     virtual void            SetTextColor( SalColor nSalColor );
255     // set the font
256     virtual USHORT         SetFont( ImplFontSelectData*, int nFallbackLevel );
257     // get the current font's etrics
258     virtual void            GetFontMetric( ImplFontMetricData*, int nFallbackLevel );
259     // get kernign pairs of the current font
260     // return only PairCount if (pKernPairs == NULL)
261     virtual ULONG           GetKernPairs( ULONG nPairs, ImplKernPairData* pKernPairs );
262     // get the repertoire of the current font
263     virtual const ImplFontCharMap* GetImplFontCharMap() const;
264     // graphics must fill supplied font list
265     virtual void            GetDevFontList( ImplDevFontList* );
266     // graphics should call ImplAddDevFontSubstitute on supplied
267     // OutputDevice for all its device specific preferred font substitutions
268     virtual void            GetDevFontSubstList( OutputDevice* );
269     virtual bool            AddTempDevFont( ImplDevFontList*, const String& rFileURL, const String& rFontName );
270     // CreateFontSubset: a method to get a subset of glyhps of a font
271     // inside a new valid font file
272     // returns TRUE if creation of subset was successfull
273     // parameters: rToFile: contains a osl file URL to write the subset to
274     //             pFont: describes from which font to create a subset
275     //             pGlyphIDs: the glyph ids to be extracted
276     //             pEncoding: the character code corresponding to each glyph
277     //             pWidths: the advance widths of the correspoding glyphs (in PS font units)
278     //             nGlyphs: the number of glyphs
279     //             rInfo: additional outgoing information
280     // implementation note: encoding 0 with glyph id 0 should be added implicitly
281     // as "undefined character"
282     virtual sal_Bool            CreateFontSubset( const rtl::OUString& rToFile,
283                                               const ImplFontData* pFont,
284                                               long* pGlyphIDs,
285                                               sal_uInt8* pEncoding,
286                                               sal_Int32* pWidths,
287                                               int nGlyphs,
288                                               FontSubsetInfo& rInfo // out parameter
289                                               );
290 
291     // GetFontEncodingVector: a method to get the encoding map Unicode
292     // to font encoded character; this is only used for type1 fonts and
293     // may return NULL in case of unknown encoding vector
294     // if ppNonEncoded is set and non encoded characters (that is type1
295     // glyphs with only a name) exist it is set to the corresponding
296     // map for non encoded glyphs; the encoding vector contains -1
297     // as encoding for these cases
298     virtual const Ucs2SIntMap* GetFontEncodingVector( const ImplFontData*, const Ucs2OStrMap** ppNonEncoded );
299 
300     // GetEmbedFontData: gets the font data for a font marked
301     // embeddable by GetDevFontList or NULL in case of error
302     // parameters: pFont: describes the font in question
303     //             pWidths: the widths of all glyphs from char code 0 to 255
304     //                      pWidths MUST support at least 256 members;
305     //             rInfo: additional outgoing information
306     //             pDataLen: out parameter, contains the PM_BYTE length of the returned buffer
307     virtual const void* GetEmbedFontData( const ImplFontData*,
308                                           const sal_Ucs* pUnicodes,
309                                           sal_Int32* pWidths,
310                                           FontSubsetInfo& rInfo,
311                                           long* pDataLen );
312     // frees the font data again
313     virtual void            FreeEmbedFontData( const void* pData, long nDataLen );
314 
315     virtual void            GetGlyphWidths( const ImplFontData* pFont,
316                                             bool bVertical,
317                                             Int32Vector& rWidths,
318                                             Ucs2UIntMap& rUnicodeEnc );
319 
320     virtual sal_Bool                    GetGlyphBoundRect( long nIndex, Rectangle& );
321     virtual sal_Bool                    GetGlyphOutline( long nIndex, ::basegfx::B2DPolyPolygon& );
322 
323     virtual SalLayout*              GetTextLayout( ImplLayoutArgs&, int nFallbackLevel );
324     virtual void                     DrawServerFontLayout( const ServerFontLayout& );
325     virtual bool            supportsOperation( OutDevSupportType ) const;
326 
327     // Query the platform layer for control support
328     virtual sal_Bool IsNativeControlSupported( ControlType nType, ControlPart nPart );
329 
330     virtual SystemGraphicsData GetGraphicsData() const;
331     virtual SystemFontData     GetSysFontData( int nFallbacklevel ) const;
332 };
333 
334 // Init/Deinit Graphics
335 void ImplSalInitGraphics( Os2SalGraphics* mpData );
336 void ImplSalDeInitGraphics( Os2SalGraphics* mpData );
337 
338 // -----------
339 // - Defines -
340 // -----------
341 
342 #define RGBCOLOR(r,g,b)     ((ULONG)(((PM_BYTE)(b)|((USHORT)(g)<<8))|(((ULONG)(PM_BYTE)(r))<<16)))
343 #define TY( y )             (mnHeight-(y)-1)
344 
345 // offset for lcid field, used for fallback font selection
346 #define LCID_BASE                       100
347 
348 // -----------
349 // - Inlines -
350 // -----------
351 
352 // #102411# Win's GCP mishandles kerning => we need to do it ourselves
353 // SalGraphicsData::mpFontKernPairs is sorted by
354 inline bool ImplCmpKernData( const KERNINGPAIRS& a, const KERNINGPAIRS& b )
355 {
356     if( a.sFirstChar < b.sFirstChar )
357         return true;
358     if( a.sFirstChar > b.sFirstChar )
359         return false;
360     return (a.sSecondChar < b.sSecondChar);
361 }
362 
363 // called extremely often from just one spot => inline
364 inline bool ImplOs2FontData::HasChar( sal_uInt32 cChar ) const
365 {
366     if( mpUnicodeMap->HasChar( cChar ) )
367         return true;
368     // second chance to allow symbol aliasing
369     if( mbAliasSymbolsLow && ((cChar-0xF000) <= 0xFF) )
370         cChar -= 0xF000;
371     else if( mbAliasSymbolsHigh && (cChar <= 0xFF) )
372         cChar += 0xF000;
373     return mpUnicodeMap->HasChar( cChar );
374 }
375 
376 #endif // _SV_SALGDI_H
377