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 <hash_set> 33 34 class ImplOs2FontEntry; 35 36 // ----------- 37 // - Defines - 38 // ----------- 39 40 // win32 platform specific options. Move them to the PMK file? 41 #define GCP_USEKERNING 0x0008 42 #define USE_UNISCRIBE 43 #define GCP_KERN_HACK 44 #define GNG_VERT_HACK 45 46 // os2 specific physically available font face 47 class ImplOs2FontData : public ImplFontData 48 { 49 public: 50 ImplOs2FontData( PFONTMETRICS, 51 int nFontHeight, 52 PM_BYTE nPitchAndFamily ); 53 ~ImplOs2FontData(); 54 55 virtual ImplFontData* Clone() const; 56 virtual ImplFontEntry* CreateFontInstance( ImplFontSelectData& ) const; 57 virtual sal_IntPtr GetFontId() const; 58 void SetFontId( sal_IntPtr nId ) { mnId = nId; } 59 void UpdateFromHPS( HPS ) const; 60 61 bool HasChar( sal_uInt32 cChar ) const; 62 63 PFONTMETRICS GetFontMetrics() const { return pFontMetric; } 64 USHORT GetCharSet() const { return meOs2CharSet; } 65 PM_BYTE GetPitchAndFamily() const { return mnPitchAndFamily; } 66 bool IsGlyphApiDisabled() const { return mbDisableGlyphApi; } 67 bool SupportsKorean() const { return mbHasKoreanRange; } 68 bool SupportsCJK() const { return mbHasCJKSupport; } 69 bool SupportsArabic() const { return mbHasArabicSupport; } 70 bool AliasSymbolsHigh() const { return mbAliasSymbolsHigh; } 71 bool AliasSymbolsLow() const { return mbAliasSymbolsLow; } 72 73 const ImplFontCharMap* GetImplFontCharMap() const; 74 const Ucs2SIntMap* GetEncodingVector() const { return mpEncodingVector; } 75 void SetEncodingVector( const Ucs2SIntMap* pNewVec ) const 76 { 77 if( mpEncodingVector ) 78 delete mpEncodingVector; 79 mpEncodingVector = pNewVec; 80 } 81 82 private: 83 sal_IntPtr mnId; 84 mutable bool mbDisableGlyphApi; 85 mutable bool mbHasKoreanRange; 86 mutable bool mbHasCJKSupport; 87 88 mutable bool mbHasArabicSupport; 89 mutable ImplFontCharMap* mpUnicodeMap; 90 mutable const Ucs2SIntMap* mpEncodingVector; 91 92 // TODO: get rid of the members below needed to work with the Win9x non-unicode API 93 PM_BYTE* mpFontCharSets; // all Charsets for the current font (used on W98 for kerning) 94 PM_BYTE mnFontCharSetCount; // Number of Charsets of the current font; 0 - if not queried 95 USHORT meOs2CharSet; 96 PM_BYTE mnPitchAndFamily; 97 bool mbAliasSymbolsHigh; 98 bool mbAliasSymbolsLow; 99 PFONTMETRICS pFontMetric; 100 101 private: 102 void ReadCmapTable( HDC ) const; 103 void ReadOs2Table( HDC ) const; 104 105 #ifdef GNG_VERT_HACK 106 void ReadGsubTable( HDC ) const; 107 108 typedef std::hash_set<int> IntHashSet; 109 mutable IntHashSet maGsubTable; 110 mutable bool mbGsubRead; 111 public: 112 bool HasGSUBstitutions( HDC ) const; 113 bool IsGSUBstituted( sal_Unicode ) const; 114 #endif // GNG_VERT_HACK 115 116 }; 117 118 119 // ------------------- 120 // - SalGraphicsData - 121 // ------------------- 122 123 class Os2SalGraphics : public SalGraphics 124 { 125 public: 126 HPS mhPS; // HPS 127 HDC mhDC; // HDC 128 HWND mhWnd; // HWND 129 LONG mnHeight; // Height of frame Window 130 ULONG mnClipElementCount; // number of clip rects in clip rect array 131 RECTL* mpClipRectlAry; // clip rect array 132 ULONG mnFontMetricCount; // number of entries in the font list 133 PFONTMETRICS mpFontMetrics; // cached font list 134 LONG mnOrientationX; // X-Font orientation 135 LONG mnOrientationY; // Y-Font orientation 136 sal_Bool mbLine; // draw lines 137 sal_Bool mbFill; // fill areas 138 sal_Bool mbPrinter; // is Printer 139 sal_Bool mbVirDev; // is VirDev 140 sal_Bool mbWindow; // is Window 141 sal_Bool mbScreen; // is Screen compatible 142 bool mbXORMode; // _every_ output with RasterOp XOR 143 ULONG mhFonts[ MAX_FALLBACK ]; // Font + Fallbacks 144 const ImplOs2FontData* mpOs2FontData[ MAX_FALLBACK ]; // pointer to the most recent font face 145 ImplOs2FontEntry* mpOs2FontEntry[ MAX_FALLBACK ]; // pointer to the most recent font instance 146 ULONG mhDefFont; // DefaultFont 147 float mfFontScale; // allows metrics emulation of huge font sizes 148 sal_Bool mbFontKernInit; // FALSE: FontKerns must be queried 149 KERNINGPAIRS* mpFontKernPairs; // Kerning Pairs of the current Font 150 ULONG mnFontKernPairCount;// Number of Kerning Pairs of the current Font 151 152 USHORT ImplDoSetFont( ImplFontSelectData* i_pFont, float& o_rFontScale, int ); 153 154 public: 155 Os2SalGraphics(); 156 virtual ~Os2SalGraphics(); 157 158 protected: 159 virtual bool setClipRegion( const Region& ); 160 // draw --> LineColor and FillColor and RasterOp and ClipRegion 161 virtual void drawPixel( long nX, long nY ); 162 virtual void drawPixel( long nX, long nY, SalColor nSalColor ); 163 virtual void drawLine( long nX1, long nY1, long nX2, long nY2 ); 164 virtual void drawRect( long nX, long nY, long nWidth, long nHeight ); 165 virtual void drawPolyLine( ULONG nPoints, const SalPoint* pPtAry ); 166 virtual void drawPolygon( ULONG nPoints, const SalPoint* pPtAry ); 167 virtual void drawPolyPolygon( ULONG nPoly, const ULONG* pPoints, PCONSTSALPOINT* pPtAry ); 168 virtual bool drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency ); 169 virtual bool drawPolyLine( 170 const ::basegfx::B2DPolygon&, 171 double fTransparency, 172 const ::basegfx::B2DVector& rLineWidth, 173 basegfx::B2DLineJoin, 174 com::sun::star::drawing::LineCap); 175 virtual sal_Bool drawPolyLineBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ); 176 virtual sal_Bool drawPolygonBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ); 177 virtual sal_Bool drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry ); 178 179 // CopyArea --> No RasterOp, but ClipRegion 180 virtual void copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth, 181 long nSrcHeight, USHORT nFlags ); 182 183 // CopyBits and DrawBitmap --> RasterOp and ClipRegion 184 // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics 185 virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ); 186 virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ); 187 virtual void drawBitmap( const SalTwoRect& rPosAry, 188 const SalBitmap& rSalBitmap, 189 SalColor nTransparentColor ); 190 virtual void drawBitmap( const SalTwoRect& rPosAry, 191 const SalBitmap& rSalBitmap, 192 const SalBitmap& rTransparentBitmap ); 193 virtual void drawMask( const SalTwoRect& rPosAry, 194 const SalBitmap& rSalBitmap, 195 SalColor nMaskColor ); 196 197 virtual SalBitmap* getBitmap( long nX, long nY, long nWidth, long nHeight ); 198 virtual SalColor getPixel( long nX, long nY ); 199 200 // invert --> ClipRegion (only Windows or VirDevs) 201 virtual void invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags); 202 virtual void invert( ULONG nPoints, const SalPoint* pPtAry, SalInvert nFlags ); 203 204 virtual sal_Bool drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, ULONG nSize ); 205 206 #if 0 207 // native widget rendering methods that require mirroring 208 virtual sal_Bool hitTestNativeControl( ControlType nType, ControlPart nPart, const Region& rControlRegion, 209 const Point& aPos, sal_Bool& rIsInside ); 210 virtual sal_Bool drawNativeControl( ControlType nType, ControlPart nPart, const Region& rControlRegion, 211 ControlState nState, const ImplControlValue& aValue, 212 rtl::OUString aCaption ); 213 virtual sal_Bool drawNativeControlText( ControlType nType, ControlPart nPart, const Region& rControlRegion, 214 ControlState nState, const ImplControlValue& aValue, 215 rtl::OUString aCaption ); 216 virtual sal_Bool getNativeControlRegion( ControlType nType, ControlPart nPart, const Region& rControlRegion, ControlState nState, 217 const ImplControlValue& aValue, rtl::OUString aCaption, 218 Region &rNativeBoundingRegion, Region &rNativeContentRegion ); 219 #endif 220 221 virtual bool drawAlphaBitmap( const SalTwoRect&, 222 const SalBitmap& rSourceBitmap, 223 const SalBitmap& rAlphaBitmap ); 224 virtual bool drawTransformedBitmap( 225 const basegfx::B2DPoint& rNull, 226 const basegfx::B2DPoint& rX, 227 const basegfx::B2DPoint& rY, 228 const SalBitmap& rSourceBitmap, 229 const SalBitmap* pAlphaBitmap); 230 virtual bool drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ); 231 232 public: 233 // public SalGraphics methods, the interface to teh independent vcl part 234 235 // get device resolution 236 virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ); 237 // get the depth of the device 238 virtual USHORT GetBitCount(); 239 // get the width of the device 240 virtual long GetGraphicsWidth() const; 241 242 // set the clip region to empty 243 virtual void ResetClipRegion(); 244 245 // set the line color to transparent (= don't draw lines) 246 virtual void SetLineColor(); 247 // set the line color to a specific color 248 virtual void SetLineColor( SalColor nSalColor ); 249 // set the fill color to transparent (= don't fill) 250 virtual void SetFillColor(); 251 // set the fill color to a specific color, shapes will be 252 // filled accordingly 253 virtual void SetFillColor( SalColor nSalColor ); 254 // enable/disable XOR drawing 255 virtual void SetXORMode( bool bSet, bool ); 256 // set line color for raster operations 257 virtual void SetROPLineColor( SalROPColor nROPColor ); 258 // set fill color for raster operations 259 virtual void SetROPFillColor( SalROPColor nROPColor ); 260 // set the text color to a specific color 261 virtual void SetTextColor( SalColor nSalColor ); 262 // set the font 263 virtual USHORT SetFont( ImplFontSelectData*, int nFallbackLevel ); 264 // get the current font's etrics 265 virtual void GetFontMetric( ImplFontMetricData*, int nFallbackLevel ); 266 // get kernign pairs of the current font 267 // return only PairCount if (pKernPairs == NULL) 268 virtual ULONG GetKernPairs( ULONG nPairs, ImplKernPairData* pKernPairs ); 269 // get the repertoire of the current font 270 virtual const ImplFontCharMap* GetImplFontCharMap() const; 271 // graphics must fill supplied font list 272 virtual void GetDevFontList( ImplDevFontList* ); 273 // graphics should call ImplAddDevFontSubstitute on supplied 274 // OutputDevice for all its device specific preferred font substitutions 275 virtual void GetDevFontSubstList( OutputDevice* ); 276 virtual bool AddTempDevFont( ImplDevFontList*, const String& rFileURL, const String& rFontName ); 277 // CreateFontSubset: a method to get a subset of glyhps of a font 278 // inside a new valid font file 279 // returns TRUE if creation of subset was successfull 280 // parameters: rToFile: contains a osl file URL to write the subset to 281 // pFont: describes from which font to create a subset 282 // pGlyphIDs: the glyph ids to be extracted 283 // pEncoding: the character code corresponding to each glyph 284 // pWidths: the advance widths of the correspoding glyphs (in PS font units) 285 // nGlyphs: the number of glyphs 286 // rInfo: additional outgoing information 287 // implementation note: encoding 0 with glyph id 0 should be added implicitly 288 // as "undefined character" 289 virtual sal_Bool CreateFontSubset( const rtl::OUString& rToFile, 290 const ImplFontData* pFont, 291 sal_GlyphId* pGlyphIds, 292 sal_uInt8* pEncoding, 293 sal_Int32* pWidths, 294 int nGlyphs, 295 FontSubsetInfo& rInfo // out parameter 296 ); 297 298 // GetFontEncodingVector: a method to get the encoding map Unicode 299 // to font encoded character; this is only used for type1 fonts and 300 // may return NULL in case of unknown encoding vector 301 // if ppNonEncoded is set and non encoded characters (that is type1 302 // glyphs with only a name) exist it is set to the corresponding 303 // map for non encoded glyphs; the encoding vector contains -1 304 // as encoding for these cases 305 virtual const Ucs2SIntMap* GetFontEncodingVector( const ImplFontData*, const Ucs2OStrMap** ppNonEncoded ); 306 307 // GetEmbedFontData: gets the font data for a font marked 308 // embeddable by GetDevFontList or NULL in case of error 309 // parameters: pFont: describes the font in question 310 // pWidths: the widths of all glyphs from char code 0 to 255 311 // pWidths MUST support at least 256 members; 312 // rInfo: additional outgoing information 313 // pDataLen: out parameter, contains the PM_BYTE length of the returned buffer 314 virtual const void* GetEmbedFontData( const ImplFontData*, 315 const sal_Ucs* pUnicodes, 316 sal_Int32* pWidths, 317 FontSubsetInfo& rInfo, 318 long* pDataLen ); 319 // frees the font data again 320 virtual void FreeEmbedFontData( const void* pData, long nDataLen ); 321 322 virtual void GetGlyphWidths( const ImplFontData* pFont, 323 bool bVertical, 324 Int32Vector& rWidths, 325 Ucs2UIntMap& rUnicodeEnc ); 326 327 virtual bool GetGlyphBoundRect( sal_GlyphId, Rectangle& ); 328 virtual bool GetGlyphOutline( sal_GlyphId, ::basegfx::B2DPolyPolygon& ); 329 330 virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ); 331 virtual void DrawServerFontLayout( const ServerFontLayout& ); 332 virtual bool supportsOperation( OutDevSupportType ) const; 333 334 // Query the platform layer for control support 335 virtual sal_Bool IsNativeControlSupported( ControlType nType, ControlPart nPart ); 336 337 virtual SystemGraphicsData GetGraphicsData() const; 338 virtual SystemFontData GetSysFontData( int nFallbacklevel ) const; 339 }; 340 341 // Init/Deinit Graphics 342 void ImplSalInitGraphics( Os2SalGraphics* mpData ); 343 void ImplSalDeInitGraphics( Os2SalGraphics* mpData ); 344 345 // ----------- 346 // - Defines - 347 // ----------- 348 349 #define TY( y ) (mnHeight-(y)-1) 350 351 // offset for lcid field, used for fallback font selection 352 #define LCID_BASE 100 353 354 // ----------- 355 // - Inlines - 356 // ----------- 357 358 // #102411# Win's GCP mishandles kerning => we need to do it ourselves 359 // SalGraphicsData::mpFontKernPairs is sorted by 360 inline bool ImplCmpKernData( const KERNINGPAIRS& a, const KERNINGPAIRS& b ) 361 { 362 if( a.sFirstChar < b.sFirstChar ) 363 return true; 364 if( a.sFirstChar > b.sFirstChar ) 365 return false; 366 return (a.sSecondChar < b.sSecondChar); 367 } 368 369 // called extremely often from just one spot => inline 370 inline bool ImplOs2FontData::HasChar( sal_uInt32 cChar ) const 371 { 372 if( mpUnicodeMap->HasChar( cChar ) ) 373 return true; 374 // second chance to allow symbol aliasing 375 if( mbAliasSymbolsLow && ((cChar-0xF000) <= 0xFF) ) 376 cChar -= 0xF000; 377 else if( mbAliasSymbolsHigh && (cChar <= 0xFF) ) 378 cChar += 0xF000; 379 return mpUnicodeMap->HasChar( cChar ); 380 } 381 382 #endif // _SV_SALGDI_H 383