1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _SV_SALGDI_H 25 #define _SV_SALGDI_H 26 27 #include <sallayout.hxx> 28 #include <salgdi.hxx> 29 #include <outfont.hxx> 30 #include <impfont.hxx> 31 32 #include "boost/scoped_ptr.hpp" 33 #include <hash_set> 34 35 class ImplFontSelectData; 36 class ImplWinFontEntry; 37 class ImplFontAttrCache; 38 39 // ----------- 40 // - Defines - 41 // ----------- 42 43 #define RGB_TO_PALRGB(nRGB) ((nRGB)|0x02000000) 44 #define PALRGB_TO_RGB(nPalRGB) ((nPalRGB)&0x00ffffff) 45 46 // win32 platform specific options. Move them to the PMK file? 47 48 #define GCP_KERN_HACK 49 #define GNG_VERT_HACK 50 51 // win32 specific physically available font face 52 class ImplWinFontData : public ImplFontData 53 { 54 public: 55 explicit ImplWinFontData( const ImplDevFontAttributes&, 56 int nFontHeight, BYTE eWinCharSet, 57 BYTE nPitchAndFamily ); 58 virtual ~ImplWinFontData(); 59 60 virtual ImplFontData* Clone() const; 61 virtual ImplFontEntry* CreateFontInstance( ImplFontSelectData& ) const; 62 virtual sal_IntPtr GetFontId() const; 63 void SetFontId( sal_IntPtr nId ) { mnId = nId; } 64 void UpdateFromHDC( HDC ) const; 65 66 bool HasChar( sal_uInt32 cChar ) const; 67 68 BYTE GetCharSet() const { return meWinCharSet; } 69 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 #ifdef ENABLE_GRAPHITE 77 bool SupportsGraphite() const { return mbHasGraphiteSupport; } 78 #endif 79 80 const ImplFontCharMap* GetImplFontCharMap() const; 81 const Ucs2SIntMap* GetEncodingVector() const { return mpEncodingVector; } 82 void SetEncodingVector( const Ucs2SIntMap* pNewVec ) const 83 { 84 if( mpEncodingVector ) 85 delete mpEncodingVector; 86 mpEncodingVector = pNewVec; 87 } 88 private: 89 sal_IntPtr mnId; 90 91 // some members that are initalized lazily when the font gets selected into a HDC 92 mutable bool mbDisableGlyphApi; 93 mutable bool mbHasKoreanRange; 94 mutable bool mbHasCJKSupport; 95 #ifdef ENABLE_GRAPHITE 96 mutable bool mbHasGraphiteSupport; 97 #endif 98 mutable bool mbHasArabicSupport; 99 mutable ImplFontCharMap* mpUnicodeMap; 100 mutable const Ucs2SIntMap* mpEncodingVector; 101 102 // TODO: get rid of the members below needed to work with the Win9x non-unicode API 103 BYTE* mpFontCharSets; // all Charsets for the current font (used on W98 for kerning) 104 BYTE mnFontCharSetCount; // Number of Charsets of the current font; 0 - if not queried 105 BYTE meWinCharSet; 106 BYTE mnPitchAndFamily; 107 bool mbAliasSymbolsHigh; 108 bool mbAliasSymbolsLow; 109 private: 110 void ReadCmapTable( HDC ) const; 111 void ReadOs2Table( HDC ) const; 112 113 #ifdef GNG_VERT_HACK 114 void ReadGsubTable( HDC ) const; 115 116 typedef std::hash_set<sal_UCS4> UcsHashSet; 117 mutable UcsHashSet maGsubTable; 118 mutable bool mbGsubRead; 119 public: 120 bool HasGSUBstitutions( HDC ) const; 121 bool IsGSUBstituted( sal_UCS4 ) const; 122 #endif // GNG_VERT_HACK 123 }; 124 125 // ------------------ 126 // - WinSalGraphics - 127 // ------------------ 128 129 class WinSalGraphics : public SalGraphics 130 { 131 public: 132 HDC mhDC; // HDC 133 HWND mhWnd; // Window-Handle, when Window-Graphics 134 HFONT mhFonts[ MAX_FALLBACK ]; // Font + Fallbacks 135 const ImplWinFontData* mpWinFontData[ MAX_FALLBACK ]; // pointer to the most recent font face 136 ImplWinFontEntry* mpWinFontEntry[ MAX_FALLBACK ]; // pointer to the most recent font instance 137 float mfFontScale; // allows metrics emulation of huge font sizes 138 HPEN mhPen; // Pen 139 HBRUSH mhBrush; // Brush 140 HRGN mhRegion; // Region Handle 141 HPEN mhDefPen; // DefaultPen 142 HBRUSH mhDefBrush; // DefaultBrush 143 HFONT mhDefFont; // DefaultFont 144 HPALETTE mhDefPal; // DefaultPalette 145 COLORREF mnPenColor; // PenColor 146 COLORREF mnBrushColor; // BrushColor 147 COLORREF mnTextColor; // TextColor 148 RGNDATA* mpClipRgnData; // ClipRegion-Data 149 RGNDATA* mpStdClipRgnData; // Cache Standard-ClipRegion-Data 150 LOGFONTA* mpLogFont; // LOG-Font which is currently selected (only W9x) 151 ImplFontAttrCache* mpFontAttrCache; // Cache font attributes from files in so/share/fonts 152 BYTE* mpFontCharSets; // All Charsets for the current font 153 BYTE mnFontCharSetCount; // Number of Charsets of the current font; 0 - if not queried 154 sal_Bool mbFontKernInit; // FALSE: FontKerns must be queried 155 KERNINGPAIR* mpFontKernPairs; // Kerning Pairs of the current Font 156 sal_uIntPtr mnFontKernPairCount;// Number of Kerning Pairs of the current Font 157 int mnPenWidth; // Linienbreite 158 sal_Bool mbStockPen; // is Pen a stockpen 159 sal_Bool mbStockBrush; // is Brush a stcokbrush 160 sal_Bool mbPen; // is Pen (FALSE == NULL_PEN) 161 sal_Bool mbBrush; // is Brush (FALSE == NULL_BRUSH) 162 sal_Bool mbPrinter; // is Printer 163 sal_Bool mbVirDev; // is VirDev 164 sal_Bool mbWindow; // is Window 165 sal_Bool mbScreen; // is Screen compatible 166 bool mbXORMode; // _every_ output with RasterOp XOR 167 168 // remember RGB values for SetLineColor/SetFillColor 169 SalColor maLineColor; 170 SalColor maFillColor; 171 172 HFONT ImplDoSetFont( ImplFontSelectData* i_pFont, float& o_rFontScale, HFONT& o_rOldFont ); 173 174 public: 175 explicit WinSalGraphics(); 176 virtual ~WinSalGraphics(); 177 178 protected: 179 virtual bool setClipRegion( const Region& ); 180 // draw --> LineColor and FillColor and RasterOp and ClipRegion 181 virtual void drawPixel( long nX, long nY ); 182 virtual void drawPixel( long nX, long nY, SalColor nSalColor ); 183 virtual void drawLine( long nX1, long nY1, long nX2, long nY2 ); 184 virtual void drawRect( long nX, long nY, long nWidth, long nHeight ); 185 virtual void drawPolyLine( sal_uIntPtr nPoints, const SalPoint* pPtAry ); 186 virtual void drawPolygon( sal_uIntPtr nPoints, const SalPoint* pPtAry ); 187 virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry ); 188 virtual bool drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency ); 189 virtual bool drawPolyLine( const ::basegfx::B2DPolygon&, double fTransparency, const ::basegfx::B2DVector& rLineWidth, basegfx::B2DLineJoin ); 190 virtual sal_Bool drawPolyLineBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ); 191 virtual sal_Bool drawPolygonBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ); 192 virtual sal_Bool drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const BYTE* const* pFlgAry ); 193 194 // CopyArea --> No RasterOp, but ClipRegion 195 virtual void copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth, 196 long nSrcHeight, sal_uInt16 nFlags ); 197 198 // CopyBits and DrawBitmap --> RasterOp and ClipRegion 199 // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics 200 virtual void copyBits( const SalTwoRect* pPosAry, SalGraphics* pSrcGraphics ); 201 virtual void drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap ); 202 virtual void drawBitmap( const SalTwoRect* pPosAry, 203 const SalBitmap& rSalBitmap, 204 SalColor nTransparentColor ); 205 virtual void drawBitmap( const SalTwoRect* pPosAry, 206 const SalBitmap& rSalBitmap, 207 const SalBitmap& rTransparentBitmap ); 208 virtual void drawMask( const SalTwoRect* pPosAry, 209 const SalBitmap& rSalBitmap, 210 SalColor nMaskColor ); 211 212 virtual SalBitmap* getBitmap( long nX, long nY, long nWidth, long nHeight ); 213 virtual SalColor getPixel( long nX, long nY ); 214 215 // invert --> ClipRegion (only Windows or VirDevs) 216 virtual void invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags); 217 virtual void invert( sal_uIntPtr nPoints, const SalPoint* pPtAry, SalInvert nFlags ); 218 219 virtual sal_Bool drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uIntPtr nSize ); 220 221 // native widget rendering methods that require mirroring 222 virtual sal_Bool hitTestNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, 223 const Point& aPos, sal_Bool& rIsInside ); 224 virtual sal_Bool drawNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, 225 ControlState nState, const ImplControlValue& aValue, 226 const rtl::OUString& aCaption ); 227 virtual sal_Bool drawNativeControlText( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, 228 ControlState nState, const ImplControlValue& aValue, 229 const rtl::OUString& aCaption ); 230 virtual sal_Bool getNativeControlRegion( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, ControlState nState, 231 const ImplControlValue& aValue, const rtl::OUString& aCaption, 232 Rectangle &rNativeBoundingRegion, Rectangle &rNativeContentRegion ); 233 234 virtual bool drawAlphaBitmap( const SalTwoRect&, 235 const SalBitmap& rSourceBitmap, 236 const SalBitmap& rAlphaBitmap ); 237 virtual bool drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ); 238 239 public: 240 // public SalGraphics methods, the interface to teh independent vcl part 241 242 // get device resolution 243 virtual void GetResolution( long& rDPIX, long& rDPIY ); 244 // get the depth of the device 245 virtual sal_uInt16 GetBitCount(); 246 // get the width of the device 247 virtual long GetGraphicsWidth() const; 248 249 // set the clip region to empty 250 virtual void ResetClipRegion(); 251 252 // set the line color to transparent (= don't draw lines) 253 virtual void SetLineColor(); 254 // set the line color to a specific color 255 virtual void SetLineColor( SalColor nSalColor ); 256 // set the fill color to transparent (= don't fill) 257 virtual void SetFillColor(); 258 // set the fill color to a specific color, shapes will be 259 // filled accordingly 260 virtual void SetFillColor( SalColor nSalColor ); 261 // enable/disable XOR drawing 262 virtual void SetXORMode( bool bSet, bool ); 263 // set line color for raster operations 264 virtual void SetROPLineColor( SalROPColor nROPColor ); 265 // set fill color for raster operations 266 virtual void SetROPFillColor( SalROPColor nROPColor ); 267 // set the text color to a specific color 268 virtual void SetTextColor( SalColor nSalColor ); 269 // set the font 270 virtual sal_uInt16 SetFont( ImplFontSelectData*, int nFallbackLevel ); 271 // get the current font's etrics 272 virtual void GetFontMetric( ImplFontMetricData*, int nFallbackLevel ); 273 // get kernign pairs of the current font 274 // return only PairCount if (pKernPairs == NULL) 275 virtual sal_uLong GetKernPairs( sal_uLong nPairs, ImplKernPairData* pKernPairs ); 276 // get the repertoire of the current font 277 virtual const ImplFontCharMap* GetImplFontCharMap() const; 278 // graphics must fill supplied font list 279 virtual void GetDevFontList( ImplDevFontList* ); 280 // graphics should call ImplAddDevFontSubstitute on supplied 281 // OutputDevice for all its device specific preferred font substitutions 282 virtual void GetDevFontSubstList( OutputDevice* ); 283 virtual bool AddTempDevFont( ImplDevFontList*, const String& rFileURL, const String& rFontName ); 284 // CreateFontSubset: a method to get a subset of glyhps of a font 285 // inside a new valid font file 286 // returns TRUE if creation of subset was successfull 287 // parameters: rToFile: contains a osl file URL to write the subset to 288 // pFont: describes from which font to create a subset 289 // pGlyphIDs: the glyph ids to be extracted 290 // pEncoding: the character code corresponding to each glyph 291 // pWidths: the advance widths of the correspoding glyphs (in PS font units) 292 // nGlyphs: the number of glyphs 293 // rInfo: additional outgoing information 294 // implementation note: encoding 0 with glyph id 0 should be added implicitly 295 // as "undefined character" 296 virtual sal_Bool CreateFontSubset( const rtl::OUString& rToFile, 297 const ImplFontData*, 298 long* pGlyphIDs, 299 sal_uInt8* pEncoding, 300 sal_Int32* pWidths, 301 int nGlyphs, 302 FontSubsetInfo& rInfo // out parameter 303 ); 304 305 // GetFontEncodingVector: a method to get the encoding map Unicode 306 // to font encoded character; this is only used for type1 fonts and 307 // may return NULL in case of unknown encoding vector 308 // if ppNonEncoded is set and non encoded characters (that is type1 309 // glyphs with only a name) exist it is set to the corresponding 310 // map for non encoded glyphs; the encoding vector contains -1 311 // as encoding for these cases 312 virtual const Ucs2SIntMap* GetFontEncodingVector( const ImplFontData*, const Ucs2OStrMap** ppNonEncoded ); 313 314 // GetEmbedFontData: gets the font data for a font marked 315 // embeddable by GetDevFontList or NULL in case of error 316 // parameters: pFont: describes the font in question 317 // pWidths: the widths of all glyphs from char code 0 to 255 318 // pWidths MUST support at least 256 members; 319 // rInfo: additional outgoing information 320 // pDataLen: out parameter, contains the byte length of the returned buffer 321 virtual const void* GetEmbedFontData( const ImplFontData*, 322 const sal_Ucs* pUnicodes, 323 sal_Int32* pWidths, 324 FontSubsetInfo& rInfo, 325 long* pDataLen ); 326 // frees the font data again 327 virtual void FreeEmbedFontData( const void* pData, long nDataLen ); 328 virtual void GetGlyphWidths( const ImplFontData*, 329 bool bVertical, 330 Int32Vector& rWidths, 331 Ucs2UIntMap& rUnicodeEnc ); 332 virtual int GetMinKashidaWidth(); 333 334 virtual sal_Bool GetGlyphBoundRect( long nIndex, Rectangle& ); 335 virtual sal_Bool GetGlyphOutline( long nIndex, ::basegfx::B2DPolyPolygon& ); 336 337 virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ); 338 virtual void DrawServerFontLayout( const ServerFontLayout& ); 339 340 virtual bool supportsOperation( OutDevSupportType ) const; 341 // Query the platform layer for control support 342 virtual sal_Bool IsNativeControlSupported( ControlType nType, ControlPart nPart ); 343 344 virtual SystemGraphicsData GetGraphicsData() const; 345 virtual SystemFontData GetSysFontData( int nFallbacklevel ) const; 346 }; 347 348 // Init/Deinit Graphics 349 void ImplSalInitGraphics( WinSalGraphics* ); 350 void ImplSalDeInitGraphics( WinSalGraphics* ); 351 void ImplUpdateSysColorEntries(); 352 int ImplIsSysColorEntry( SalColor nSalColor ); 353 void ImplGetLogFontFromFontSelect( HDC, const ImplFontSelectData*, 354 LOGFONTW&, bool bTestVerticalAvail ); 355 356 // ----------- 357 // - Defines - 358 // ----------- 359 360 #define MAX_64KSALPOINTS ((((sal_uInt16)0xFFFF)-8)/sizeof(POINTS)) 361 362 // ----------- 363 // - Inlines - 364 // ----------- 365 366 // #102411# Win's GCP mishandles kerning => we need to do it ourselves 367 // SalGraphicsData::mpFontKernPairs is sorted by 368 inline bool ImplCmpKernData( const KERNINGPAIR& a, const KERNINGPAIR& b ) 369 { 370 if( a.wFirst < b.wFirst ) 371 return true; 372 if( a.wFirst > b.wFirst ) 373 return false; 374 return (a.wSecond < b.wSecond); 375 } 376 377 // called extremely often from just one spot => inline 378 inline bool ImplWinFontData::HasChar( sal_uInt32 cChar ) const 379 { 380 if( mpUnicodeMap->HasChar( cChar ) ) 381 return true; 382 // second chance to allow symbol aliasing 383 if( mbAliasSymbolsLow && ((cChar-0xF000) <= 0xFF) ) 384 cChar -= 0xF000; 385 else if( mbAliasSymbolsHigh && (cChar <= 0xFF) ) 386 cChar += 0xF000; 387 else 388 return false; 389 return mpUnicodeMap->HasChar( cChar ); 390 } 391 392 #endif // _SV_SALGDI_H 393 394