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See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 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 "boost/scoped_ptr.hpp" 37 #include <hash_set> 38 39 class ImplFontSelectData; 40 class ImplWinFontEntry; 41 class ImplFontAttrCache; 42 43 // ----------- 44 // - Defines - 45 // ----------- 46 47 #define RGB_TO_PALRGB(nRGB) ((nRGB)|0x02000000) 48 #define PALRGB_TO_RGB(nPalRGB) ((nPalRGB)&0x00ffffff) 49 50 // win32 platform specific options. Move them to the PMK file? 51 52 #define GCP_KERN_HACK 53 #define GNG_VERT_HACK 54 55 // win32 specific physically available font face 56 class ImplWinFontData : public ImplFontData 57 { 58 public: 59 explicit ImplWinFontData( const ImplDevFontAttributes&, 60 int nFontHeight, BYTE eWinCharSet, 61 BYTE nPitchAndFamily ); 62 virtual ~ImplWinFontData(); 63 64 virtual ImplFontData* Clone() const; 65 virtual ImplFontEntry* CreateFontInstance( ImplFontSelectData& ) const; 66 virtual sal_IntPtr GetFontId() const; 67 void SetFontId( sal_IntPtr nId ) { mnId = nId; } 68 void UpdateFromHDC( HDC ) const; 69 70 bool HasChar( sal_uInt32 cChar ) const; 71 72 BYTE GetCharSet() const { return meWinCharSet; } 73 BYTE GetPitchAndFamily() const { return mnPitchAndFamily; } 74 bool IsGlyphApiDisabled() const { return mbDisableGlyphApi; } 75 bool SupportsKorean() const { return mbHasKoreanRange; } 76 bool SupportsCJK() const { return mbHasCJKSupport; } 77 bool SupportsArabic() const { return mbHasArabicSupport; } 78 bool AliasSymbolsHigh() const { return mbAliasSymbolsHigh; } 79 bool AliasSymbolsLow() const { return mbAliasSymbolsLow; } 80 #ifdef ENABLE_GRAPHITE 81 bool SupportsGraphite() const { return mbHasGraphiteSupport; } 82 #endif 83 84 const ImplFontCharMap* GetImplFontCharMap() const; 85 const Ucs2SIntMap* GetEncodingVector() const { return mpEncodingVector; } 86 void SetEncodingVector( const Ucs2SIntMap* pNewVec ) const 87 { 88 if( mpEncodingVector ) 89 delete mpEncodingVector; 90 mpEncodingVector = pNewVec; 91 } 92 private: 93 sal_IntPtr mnId; 94 95 // some members that are initalized lazily when the font gets selected into a HDC 96 mutable bool mbDisableGlyphApi; 97 mutable bool mbHasKoreanRange; 98 mutable bool mbHasCJKSupport; 99 #ifdef ENABLE_GRAPHITE 100 mutable bool mbHasGraphiteSupport; 101 #endif 102 mutable bool mbHasArabicSupport; 103 mutable ImplFontCharMap* mpUnicodeMap; 104 mutable const Ucs2SIntMap* mpEncodingVector; 105 106 // TODO: get rid of the members below needed to work with the Win9x non-unicode API 107 BYTE* mpFontCharSets; // all Charsets for the current font (used on W98 for kerning) 108 BYTE mnFontCharSetCount; // Number of Charsets of the current font; 0 - if not queried 109 BYTE meWinCharSet; 110 BYTE mnPitchAndFamily; 111 bool mbAliasSymbolsHigh; 112 bool mbAliasSymbolsLow; 113 private: 114 void ReadCmapTable( HDC ) const; 115 void ReadOs2Table( HDC ) const; 116 117 #ifdef GNG_VERT_HACK 118 void ReadGsubTable( HDC ) const; 119 120 typedef std::hash_set<sal_UCS4> UcsHashSet; 121 mutable UcsHashSet maGsubTable; 122 mutable bool mbGsubRead; 123 public: 124 bool HasGSUBstitutions( HDC ) const; 125 bool IsGSUBstituted( sal_UCS4 ) const; 126 #endif // GNG_VERT_HACK 127 }; 128 129 // ------------------ 130 // - WinSalGraphics - 131 // ------------------ 132 133 class WinSalGraphics : public SalGraphics 134 { 135 public: 136 HDC mhDC; // HDC 137 HWND mhWnd; // Window-Handle, when Window-Graphics 138 HFONT mhFonts[ MAX_FALLBACK ]; // Font + Fallbacks 139 const ImplWinFontData* mpWinFontData[ MAX_FALLBACK ]; // pointer to the most recent font face 140 ImplWinFontEntry* mpWinFontEntry[ MAX_FALLBACK ]; // pointer to the most recent font instance 141 float mfFontScale; // allows metrics emulation of huge font sizes 142 HPEN mhPen; // Pen 143 HBRUSH mhBrush; // Brush 144 HRGN mhRegion; // Region Handle 145 HPEN mhDefPen; // DefaultPen 146 HBRUSH mhDefBrush; // DefaultBrush 147 HFONT mhDefFont; // DefaultFont 148 HPALETTE mhDefPal; // DefaultPalette 149 COLORREF mnPenColor; // PenColor 150 COLORREF mnBrushColor; // BrushColor 151 COLORREF mnTextColor; // TextColor 152 RGNDATA* mpClipRgnData; // ClipRegion-Data 153 RGNDATA* mpStdClipRgnData; // Cache Standard-ClipRegion-Data 154 LOGFONTA* mpLogFont; // LOG-Font which is currently selected (only W9x) 155 ImplFontAttrCache* mpFontAttrCache; // Cache font attributes from files in so/share/fonts 156 BYTE* mpFontCharSets; // All Charsets for the current font 157 BYTE mnFontCharSetCount; // Number of Charsets of the current font; 0 - if not queried 158 sal_Bool mbFontKernInit; // FALSE: FontKerns must be queried 159 KERNINGPAIR* mpFontKernPairs; // Kerning Pairs of the current Font 160 sal_uIntPtr mnFontKernPairCount;// Number of Kerning Pairs of the current Font 161 int mnPenWidth; // Linienbreite 162 sal_Bool mbStockPen; // is Pen a stockpen 163 sal_Bool mbStockBrush; // is Brush a stcokbrush 164 sal_Bool mbPen; // is Pen (FALSE == NULL_PEN) 165 sal_Bool mbBrush; // is Brush (FALSE == NULL_BRUSH) 166 sal_Bool mbPrinter; // is Printer 167 sal_Bool mbVirDev; // is VirDev 168 sal_Bool mbWindow; // is Window 169 sal_Bool mbScreen; // is Screen compatible 170 bool mbXORMode; // _every_ output with RasterOp XOR 171 172 // remember RGB values for SetLineColor/SetFillColor 173 SalColor maLineColor; 174 SalColor maFillColor; 175 176 HFONT ImplDoSetFont( ImplFontSelectData* i_pFont, float& o_rFontScale, HFONT& o_rOldFont ); 177 178 public: 179 explicit WinSalGraphics(); 180 virtual ~WinSalGraphics(); 181 182 protected: 183 virtual bool setClipRegion( const Region& ); 184 // draw --> LineColor and FillColor and RasterOp and ClipRegion 185 virtual void drawPixel( long nX, long nY ); 186 virtual void drawPixel( long nX, long nY, SalColor nSalColor ); 187 virtual void drawLine( long nX1, long nY1, long nX2, long nY2 ); 188 virtual void drawRect( long nX, long nY, long nWidth, long nHeight ); 189 virtual void drawPolyLine( sal_uIntPtr nPoints, const SalPoint* pPtAry ); 190 virtual void drawPolygon( sal_uIntPtr nPoints, const SalPoint* pPtAry ); 191 virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry ); 192 virtual bool drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency ); 193 virtual bool drawPolyLine( const ::basegfx::B2DPolygon&, double fTransparency, const ::basegfx::B2DVector& rLineWidth, basegfx::B2DLineJoin ); 194 virtual sal_Bool drawPolyLineBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ); 195 virtual sal_Bool drawPolygonBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ); 196 virtual sal_Bool drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const BYTE* const* pFlgAry ); 197 198 // CopyArea --> No RasterOp, but ClipRegion 199 virtual void copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth, 200 long nSrcHeight, sal_uInt16 nFlags ); 201 202 // CopyBits and DrawBitmap --> RasterOp and ClipRegion 203 // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics 204 virtual void copyBits( const SalTwoRect* pPosAry, SalGraphics* pSrcGraphics ); 205 virtual void drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap ); 206 virtual void drawBitmap( const SalTwoRect* pPosAry, 207 const SalBitmap& rSalBitmap, 208 SalColor nTransparentColor ); 209 virtual void drawBitmap( const SalTwoRect* pPosAry, 210 const SalBitmap& rSalBitmap, 211 const SalBitmap& rTransparentBitmap ); 212 virtual void drawMask( const SalTwoRect* pPosAry, 213 const SalBitmap& rSalBitmap, 214 SalColor nMaskColor ); 215 216 virtual SalBitmap* getBitmap( long nX, long nY, long nWidth, long nHeight ); 217 virtual SalColor getPixel( long nX, long nY ); 218 219 // invert --> ClipRegion (only Windows or VirDevs) 220 virtual void invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags); 221 virtual void invert( sal_uIntPtr nPoints, const SalPoint* pPtAry, SalInvert nFlags ); 222 223 virtual sal_Bool drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uIntPtr nSize ); 224 225 // native widget rendering methods that require mirroring 226 virtual sal_Bool hitTestNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, 227 const Point& aPos, sal_Bool& rIsInside ); 228 virtual sal_Bool drawNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, 229 ControlState nState, const ImplControlValue& aValue, 230 const rtl::OUString& aCaption ); 231 virtual sal_Bool drawNativeControlText( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, 232 ControlState nState, const ImplControlValue& aValue, 233 const rtl::OUString& aCaption ); 234 virtual sal_Bool getNativeControlRegion( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, ControlState nState, 235 const ImplControlValue& aValue, const rtl::OUString& aCaption, 236 Rectangle &rNativeBoundingRegion, Rectangle &rNativeContentRegion ); 237 238 virtual bool drawAlphaBitmap( const SalTwoRect&, 239 const SalBitmap& rSourceBitmap, 240 const SalBitmap& rAlphaBitmap ); 241 virtual bool drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ); 242 243 public: 244 // public SalGraphics methods, the interface to teh independent vcl part 245 246 // get device resolution 247 virtual void GetResolution( long& rDPIX, long& rDPIY ); 248 // get the depth of the device 249 virtual sal_uInt16 GetBitCount(); 250 // get the width of the device 251 virtual long GetGraphicsWidth() const; 252 253 // set the clip region to empty 254 virtual void ResetClipRegion(); 255 256 // set the line color to transparent (= don't draw lines) 257 virtual void SetLineColor(); 258 // set the line color to a specific color 259 virtual void SetLineColor( SalColor nSalColor ); 260 // set the fill color to transparent (= don't fill) 261 virtual void SetFillColor(); 262 // set the fill color to a specific color, shapes will be 263 // filled accordingly 264 virtual void SetFillColor( SalColor nSalColor ); 265 // enable/disable XOR drawing 266 virtual void SetXORMode( bool bSet, bool ); 267 // set line color for raster operations 268 virtual void SetROPLineColor( SalROPColor nROPColor ); 269 // set fill color for raster operations 270 virtual void SetROPFillColor( SalROPColor nROPColor ); 271 // set the text color to a specific color 272 virtual void SetTextColor( SalColor nSalColor ); 273 // set the font 274 virtual sal_uInt16 SetFont( ImplFontSelectData*, int nFallbackLevel ); 275 // get the current font's etrics 276 virtual void GetFontMetric( ImplFontMetricData*, int nFallbackLevel ); 277 // get kernign pairs of the current font 278 // return only PairCount if (pKernPairs == NULL) 279 virtual sal_uLong GetKernPairs( sal_uLong nPairs, ImplKernPairData* pKernPairs ); 280 // get the repertoire of the current font 281 virtual const ImplFontCharMap* GetImplFontCharMap() const; 282 // graphics must fill supplied font list 283 virtual void GetDevFontList( ImplDevFontList* ); 284 // graphics should call ImplAddDevFontSubstitute on supplied 285 // OutputDevice for all its device specific preferred font substitutions 286 virtual void GetDevFontSubstList( OutputDevice* ); 287 virtual bool AddTempDevFont( ImplDevFontList*, const String& rFileURL, const String& rFontName ); 288 // CreateFontSubset: a method to get a subset of glyhps of a font 289 // inside a new valid font file 290 // returns TRUE if creation of subset was successfull 291 // parameters: rToFile: contains a osl file URL to write the subset to 292 // pFont: describes from which font to create a subset 293 // pGlyphIDs: the glyph ids to be extracted 294 // pEncoding: the character code corresponding to each glyph 295 // pWidths: the advance widths of the correspoding glyphs (in PS font units) 296 // nGlyphs: the number of glyphs 297 // rInfo: additional outgoing information 298 // implementation note: encoding 0 with glyph id 0 should be added implicitly 299 // as "undefined character" 300 virtual sal_Bool CreateFontSubset( const rtl::OUString& rToFile, 301 const ImplFontData*, 302 long* pGlyphIDs, 303 sal_uInt8* pEncoding, 304 sal_Int32* pWidths, 305 int nGlyphs, 306 FontSubsetInfo& rInfo // out parameter 307 ); 308 309 // GetFontEncodingVector: a method to get the encoding map Unicode 310 // to font encoded character; this is only used for type1 fonts and 311 // may return NULL in case of unknown encoding vector 312 // if ppNonEncoded is set and non encoded characters (that is type1 313 // glyphs with only a name) exist it is set to the corresponding 314 // map for non encoded glyphs; the encoding vector contains -1 315 // as encoding for these cases 316 virtual const Ucs2SIntMap* GetFontEncodingVector( const ImplFontData*, const Ucs2OStrMap** ppNonEncoded ); 317 318 // GetEmbedFontData: gets the font data for a font marked 319 // embeddable by GetDevFontList or NULL in case of error 320 // parameters: pFont: describes the font in question 321 // pWidths: the widths of all glyphs from char code 0 to 255 322 // pWidths MUST support at least 256 members; 323 // rInfo: additional outgoing information 324 // pDataLen: out parameter, contains the byte length of the returned buffer 325 virtual const void* GetEmbedFontData( const ImplFontData*, 326 const sal_Ucs* pUnicodes, 327 sal_Int32* pWidths, 328 FontSubsetInfo& rInfo, 329 long* pDataLen ); 330 // frees the font data again 331 virtual void FreeEmbedFontData( const void* pData, long nDataLen ); 332 virtual void GetGlyphWidths( const ImplFontData*, 333 bool bVertical, 334 Int32Vector& rWidths, 335 Ucs2UIntMap& rUnicodeEnc ); 336 virtual int GetMinKashidaWidth(); 337 338 virtual sal_Bool GetGlyphBoundRect( long nIndex, Rectangle& ); 339 virtual sal_Bool GetGlyphOutline( long nIndex, ::basegfx::B2DPolyPolygon& ); 340 341 virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ); 342 virtual void DrawServerFontLayout( const ServerFontLayout& ); 343 344 virtual bool supportsOperation( OutDevSupportType ) const; 345 // Query the platform layer for control support 346 virtual sal_Bool IsNativeControlSupported( ControlType nType, ControlPart nPart ); 347 348 virtual SystemGraphicsData GetGraphicsData() const; 349 virtual SystemFontData GetSysFontData( int nFallbacklevel ) const; 350 }; 351 352 // Init/Deinit Graphics 353 void ImplSalInitGraphics( WinSalGraphics* ); 354 void ImplSalDeInitGraphics( WinSalGraphics* ); 355 void ImplUpdateSysColorEntries(); 356 int ImplIsSysColorEntry( SalColor nSalColor ); 357 void ImplGetLogFontFromFontSelect( HDC, const ImplFontSelectData*, 358 LOGFONTW&, bool bTestVerticalAvail ); 359 360 // ----------- 361 // - Defines - 362 // ----------- 363 364 #define MAX_64KSALPOINTS ((((sal_uInt16)0xFFFF)-8)/sizeof(POINTS)) 365 366 // ----------- 367 // - Inlines - 368 // ----------- 369 370 // #102411# Win's GCP mishandles kerning => we need to do it ourselves 371 // SalGraphicsData::mpFontKernPairs is sorted by 372 inline bool ImplCmpKernData( const KERNINGPAIR& a, const KERNINGPAIR& b ) 373 { 374 if( a.wFirst < b.wFirst ) 375 return true; 376 if( a.wFirst > b.wFirst ) 377 return false; 378 return (a.wSecond < b.wSecond); 379 } 380 381 // called extremely often from just one spot => inline 382 inline bool ImplWinFontData::HasChar( sal_uInt32 cChar ) const 383 { 384 if( mpUnicodeMap->HasChar( cChar ) ) 385 return true; 386 // second chance to allow symbol aliasing 387 if( mbAliasSymbolsLow && ((cChar-0xF000) <= 0xFF) ) 388 cChar -= 0xF000; 389 else if( mbAliasSymbolsHigh && (cChar <= 0xFF) ) 390 cChar += 0xF000; 391 else 392 return false; 393 return mpUnicodeMap->HasChar( cChar ); 394 } 395 396 #endif // _SV_SALGDI_H 397 398