Symaptic: os/graphics/graphicsdeviceinterface/gdi/sgdi/FontIndic.h@bde4ae8d615e

     1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #ifndef __FONTINDIC_H__

    17 #define __FONTINDIC_H__

    19 #include "GlyphSel.h"

    21 /** Defines the maximum ammount of text thats can be shaped at one time.

    22 Change this number to suit optimisation, as increasing it or decreasing it may

    23 make Devanagari text faster/slower.*/

    24 const TInt KMaxTextToShape = 16;

    26 enum TIndicCodeType

    27 	{

    28 	// These values must not change without also changing

    29 	// KStateResponse table accordingly

    30 	EIndicCodeOther = 0,

    31 	EIndicCodeCombiningSign = 1,

    32 	EIndicCodeIndependentVowel = 2,

    33 	EIndicCodeConsonant = 3,

    34 	EIndicCodeDependentVowel = 4,

    35 	EIndicCodeVirama = 5,

    36 	EIndicCodeNukta = 6,

    37 	EIndicCodeZWJ = 7,

    38 	EIndicCodeNuktaConsonant = 8,

    39 	EIndicCodeIndependentVowelA = 9,

    40 	EIndicCodeDependentVowelCandraE = 10,

    41 	EIndicCodeConsonantKannadaBengaliRa = 11,

    42 	EIndicCodeSplitVowel1 = 12,

    43 	EIndicCodeSplitVowel2 = 13,

    44 	EIndicCodeTamilLengthMarkAU = 14,

    45 	//Gurmukhi specific types: EIndicCodeGurBeraer* for specific bearer

    46 	//EIndicCodeGurDependentVowel* for dependent vowles which can be combined

    47 	//with corresponding bearer to form an independent vowlel

    48 	EIndicCodeGurBearerA = 15,

    49 	EIndicCodeGurBearerU = 16,

    50 	EIndicCodeGurBearerI = 17,

    51 	EIndicCodeGurDependentVowelA = 18,

    52 	EIndicCodeGurDependentVowelU = 19,

    53 	EIndicCodeGurDependentVowelI = 20,

    54 	EIndicCodeConsonantMalaChillu = 21,

    55 	EIndicCodeConsonantMalaChilluNA = 22,

    56 	EIndicCodeConsonantMalaRRA = 23

    57 	};

    59 struct TIndicCodeMapping

    60 	{

    61 	TInt16 iFirstCodeInRange;

    62 	TInt16 iCodeType;	// From TIndicCodeType

    63 	};

    65 /** Holds the types of all the symbols in the devanagari range, so that we can

    66 work out where the syllable boundaries begin and end. */

    67 static const TIndicCodeMapping KDevCodeMap[] =

    68 	{

    69 	{0, EIndicCodeOther},

    70 	{0x901, EIndicCodeCombiningSign},

    71 	{0x904, EIndicCodeIndependentVowel},

    72 	{0x905, EIndicCodeIndependentVowelA},

    73 	{0x906, EIndicCodeIndependentVowel},

    74 	{0x915, EIndicCodeConsonant},

    75 	{0x929, EIndicCodeNuktaConsonant},

    76 	{0x92A, EIndicCodeConsonant},

    77 	{0x931, EIndicCodeNuktaConsonant},

    78 	{0x932, EIndicCodeConsonant},

    79 	{0x934, EIndicCodeNuktaConsonant},

    80 	{0x935, EIndicCodeConsonant},

    81 	{0x93A, EIndicCodeOther},

    82 	{0x93C, EIndicCodeNukta},

    83 	{0x93D, EIndicCodeOther},

    84 	{0x93E, EIndicCodeDependentVowel},

    85 	{0x945, EIndicCodeDependentVowelCandraE},

    86 	{0x946, EIndicCodeDependentVowel},

    87 	{0x94D, EIndicCodeVirama},

    88 	{0x94E, EIndicCodeOther},

    89 	{0x951, EIndicCodeCombiningSign},

    90 	{0x955, EIndicCodeConsonant},

    91 	{0x958, EIndicCodeNuktaConsonant},

    92 	{0x960, EIndicCodeIndependentVowel},

    93 	{0x962, EIndicCodeDependentVowel},

    94 	{0x964, EIndicCodeOther},

    95 	{0x200D, EIndicCodeZWJ},

    96 	{0x200E, EIndicCodeOther}

    97 	};

    99 /** Holds the types of all the symbols in the Kannada range, so that we can

   100 work out where the syllable boundaries begin and end. */

   101 static const TIndicCodeMapping KKanCodeMap[] =

   102 	{

   103 	{0, EIndicCodeOther},

   104 	{0xC82, EIndicCodeCombiningSign},

   105 	{0xC85, EIndicCodeIndependentVowel},

   106 	{0xC95, EIndicCodeConsonant},

   107 	{0xCB0, EIndicCodeConsonantKannadaBengaliRa},

   108 	{0xCB1, EIndicCodeConsonant},

   109 	{0xCB4, EIndicCodeOther},

   110 	{0xCB5, EIndicCodeConsonant},

   111 	{0xCBA, EIndicCodeOther},

   112 	{0xCBC, EIndicCodeNukta},

   113 	{0xCBD, EIndicCodeOther},

   114 	{0xCBE, EIndicCodeDependentVowel},

   115 	{0xCC5, EIndicCodeOther},

   116 	{0xCC6, EIndicCodeDependentVowel},

   117 	{0xCCD, EIndicCodeVirama},

   118 	{0xCD5, EIndicCodeCombiningSign},

   119 	{0xCDE, EIndicCodeConsonant},

   120 	{0xCE0, EIndicCodeIndependentVowel},

   121 	{0xCE2, EIndicCodeDependentVowel},

   122 	{0xCE4, EIndicCodeOther},

   123 	{0x200D, EIndicCodeZWJ},

   124 	{0x200E, EIndicCodeOther}

   125 	};

   127 /** Holds the types of all the symbols in the Gujarati range, so that we can

   128 work out where the syllable boundaries begin and end. */

   129 static const TIndicCodeMapping KGujCodeMap[] =

   130 	{

   131 	{0, EIndicCodeOther},

   132 	{0xA81, EIndicCodeCombiningSign},

   133 	{0xA85, EIndicCodeIndependentVowel},

   134 	{0xA8E, EIndicCodeOther},

   135 	{0xA8F, EIndicCodeIndependentVowel},

   136 	{0xA92, EIndicCodeOther},

   137 	{0xA93, EIndicCodeIndependentVowel},

   138 	{0xA95, EIndicCodeConsonant},

   139 	{0xAA9, EIndicCodeOther},

   140 	{0xAAA, EIndicCodeConsonant},

   141 	{0xAB1, EIndicCodeOther},

   142 	{0xAB2, EIndicCodeConsonant},

   143 	{0xAB4, EIndicCodeOther},

   144 	{0xAB5, EIndicCodeConsonant},

   145 	{0xABC, EIndicCodeNukta},

   146 	{0xABD, EIndicCodeOther},

   147 	{0xABE, EIndicCodeDependentVowel},

   148 	{0xAC6, EIndicCodeOther},

   149 	{0xAC7, EIndicCodeDependentVowel},

   150 	{0xACA, EIndicCodeOther},

   151 	{0xACB, EIndicCodeDependentVowel},

   152 	{0xACD, EIndicCodeVirama},

   153 	{0xACE, EIndicCodeOther},

   154 	{0xAE0, EIndicCodeIndependentVowel},

   155 	{0xAE2, EIndicCodeDependentVowel},

   156 	{0xAE4, EIndicCodeOther},

   157 	{0x200D, EIndicCodeZWJ},

   158 	{0x200E, EIndicCodeOther}

   159 	};

   161 /** Holds the types of all the symbols in the Gurmukhi range, so that we can

   162 work out where the syllable boundaries begin and end. */

   163 static const TIndicCodeMapping KGurCodeMap[] =

   164 	{

   165 	{0, EIndicCodeOther},

   166 	{0xA01, EIndicCodeCombiningSign},

   167 	{0xA04, EIndicCodeOther},

   168 	{0xA05, EIndicCodeGurBearerA},

   169 	{0xA06, EIndicCodeIndependentVowel},

   170 	{0xA0B, EIndicCodeOther},

   171 	{0xA0F, EIndicCodeIndependentVowel},

   172 	{0xA11, EIndicCodeOther},

   173 	{0xA13, EIndicCodeIndependentVowel},

   174 	{0xA15, EIndicCodeConsonant},

   175 	{0xA29, EIndicCodeOther},

   176 	{0xA2A, EIndicCodeConsonant},

   177 	{0xA31, EIndicCodeOther},

   178 	{0xA32, EIndicCodeConsonant},

   179 	{0xA33, EIndicCodeNuktaConsonant},

   180 	{0xA34, EIndicCodeOther},

   181 	{0xA35, EIndicCodeConsonant},

   182 	{0xA36, EIndicCodeNuktaConsonant},

   183 	{0xA37, EIndicCodeOther},

   184 	{0xA38, EIndicCodeConsonant},

   185 	{0xA3A, EIndicCodeOther},

   186 	{0xA3C, EIndicCodeNukta},

   187 	{0xA3D, EIndicCodeOther},

   188 	{0xA3E, EIndicCodeGurDependentVowelA},

   189 	{0xA3F, EIndicCodeGurDependentVowelI},

   190 	{0xA41, EIndicCodeGurDependentVowelU},

   191 	{0xA43, EIndicCodeOther},

   192 	{0xA47, EIndicCodeGurDependentVowelI},

   193 	{0xA48, EIndicCodeGurDependentVowelA},

   194 	{0xA49, EIndicCodeOther},

   195 	{0xA4B, EIndicCodeGurDependentVowelU},

   196 	{0xA4C, EIndicCodeGurDependentVowelA},

   197 	{0xA4D, EIndicCodeVirama},

   198 	{0xA4E, EIndicCodeOther},

   199 	{0xA59, EIndicCodeNuktaConsonant},

   200 	{0xA5C, EIndicCodeConsonant},

   201 	{0xA5D, EIndicCodeOther},

   202 	{0xA5E, EIndicCodeNuktaConsonant},

   203 	{0xA5F, EIndicCodeOther},

   204 	{0xA70, EIndicCodeCombiningSign},

   205 	{0xA71, EIndicCodeCombiningSign},

   206 	{0xA72, EIndicCodeGurBearerI},

   207 	{0xA73, EIndicCodeGurBearerU},

   208 	{0xA74, EIndicCodeOther},

   209 	{0x200D, EIndicCodeZWJ},

   210 	{0x200E, EIndicCodeOther}

   211 	};

   213 /** Holds the types of all the symbols in the Bengali range, so that we can

   214 work out where the syllable boundaries begin and end. */

   215 static const TIndicCodeMapping KBenCodeMap[] =

   216 	{

   217 	{0, EIndicCodeOther},

   218 	{0x981 , EIndicCodeCombiningSign},

   219 	{0x985 , EIndicCodeIndependentVowel},

   220 	{0x995 , EIndicCodeConsonant},

   221 	{0x9B0 , EIndicCodeConsonantKannadaBengaliRa},

   222 	{0x9B1 , EIndicCodeConsonant},

   223 	{0x9BA , EIndicCodeOther},

   224 	{0x9BC , EIndicCodeNukta},

   225 	{0x9BD , EIndicCodeOther},

   226 	{0x9BE , EIndicCodeDependentVowel},

   227 	{0x9C9 , EIndicCodeOther},

   228 	{0x9CB , EIndicCodeDependentVowel},

   229 	{0x9CD , EIndicCodeVirama},

   230 	{0x9CE , EIndicCodeOther},

   231 	{0x9D7 , EIndicCodeDependentVowel},

   232 	{0x9DC , EIndicCodeConsonant},

   233 	{0x9E0 , EIndicCodeIndependentVowel},

   234 	{0x9E2 , EIndicCodeDependentVowel},

   235 	{0x9E4 , EIndicCodeOther},

   236 	{0x200D, EIndicCodeZWJ},

   237 	{0x200E, EIndicCodeOther}

   238 	};

   240 /** Holds the types of all the symbols in the Tamil range, so that we can

   241 work out where the syllable boundaries begin and end. */

   242 static const TIndicCodeMapping KTamCodeMap[] =

   243 	{

   244 	{0, EIndicCodeOther},

   245 	{0xB82 , EIndicCodeCombiningSign},

   246 	{0xB83 , EIndicCodeIndependentVowel},

   247 	{0xB84 , EIndicCodeOther},

   248 	{0xB85 , EIndicCodeIndependentVowel},

   249 	{0xB92 , EIndicCodeIndependentVowelA},

   250 	{0xB93 , EIndicCodeIndependentVowel},

   251 	{0xB95 , EIndicCodeConsonant},

   252 	{0xBBE , EIndicCodeSplitVowel2},

   253 	{0xBBF , EIndicCodeDependentVowel},

   254 	{0xBC6 , EIndicCodeSplitVowel1},

   255 	{0xBC8 , EIndicCodeDependentVowel},

   256 	{0xBCD , EIndicCodeVirama},

   257 	{0xBCE , EIndicCodeOther},

   258 	{0xBD7 , EIndicCodeTamilLengthMarkAU},

   259 	{0xBE4 , EIndicCodeOther},

   260 	{0x200D, EIndicCodeZWJ},

   261 	{0x200E, EIndicCodeOther}

   262 	};

   264 /** Holds the types of all the symbols in the Telugu range, so that we can

   265 work out where the syllable boundaries begin and end. */

   266 static const TIndicCodeMapping KTelCodeMap[] =

   267 	{

   268 	{0, EIndicCodeOther},

   269 	{0xC01, EIndicCodeCombiningSign},

   270 	{0xC04, EIndicCodeOther},

   271 	{0xC05, EIndicCodeIndependentVowel},

   272 	{0xC15, EIndicCodeConsonant},

   273 	{0xC3A, EIndicCodeOther},

   274 	{0xC3E, EIndicCodeDependentVowel},

   275 	{0xC4D, EIndicCodeVirama},

   276 	{0xC4E, EIndicCodeOther},

   277 	{0xC55, EIndicCodeDependentVowel},

   278 	{0xC57, EIndicCodeOther},

   279 	{0xC60, EIndicCodeIndependentVowel},

   280 	{0xC62, EIndicCodeOther}

   281 	};

   283 /** Holds the types of all the symbols in the Malayalam range, so that we can

   284 work out where the syllable boundaries begin and end. */

   285 static const TIndicCodeMapping KMalaCodeMap[] =

   286 	{

   287 	{0, EIndicCodeOther}, // NOT USED D00 - D01

   288 	{0xD02, EIndicCodeCombiningSign}, // Modifiers

   289 	{0xD04, EIndicCodeOther}, // NOT USED

   290 	{0xD05, EIndicCodeIndependentVowel},

   291 //	{0xD0D, EIndicCodeOther}, // Reserved

   292 //	{0xD0E, EIndicCodeIndependentVowel},

   293 //	{0xD11, EIndicCodeOther}, // Reserved

   294 //	{0xD12, EIndicCodeIndependentVowel},

   295 	{0xD15, EIndicCodeConsonant},

   296 	{0xD23, EIndicCodeConsonantMalaChillu}, // NNA

   297 	{0xD24, EIndicCodeConsonant},

   298 	{0xD28, EIndicCodeConsonantMalaChilluNA}, // NA

   299 	{0xD29, EIndicCodeOther}, // Reserved

   300 	{0xD2A, EIndicCodeConsonant},

   301 	{0xD30, EIndicCodeConsonantMalaChillu}, // RA

   302 	{0xD31, EIndicCodeConsonantMalaRRA}, // RRA

   303 	{0xD32, EIndicCodeConsonantMalaChillu}, // LA,  LLA

   304 	{0xD34, EIndicCodeConsonant},

   305 	{0xD3A, EIndicCodeOther}, // NOT USED D3A - D3D

   306 	{0xD3E, EIndicCodeSplitVowel2},

   307 	{0xD3F, EIndicCodeDependentVowel},

   308 //	{0xD44, EIndicCodeOther}, // Reserved D44 - D45

   309 	{0xD46, EIndicCodeSplitVowel1},

   310 	{0xD48, EIndicCodeDependentVowel},

   311 //	{0xD49, EIndicCodeOther}, // Reserved D49

   312 //	{0xD4A, EIndicCodeDependentVowel},

   313 	{0xD4D, EIndicCodeVirama},

   314 	{0xD4E, EIndicCodeOther}, //Reserved D4E - D56

   315 	{0xD57, EIndicCodeTamilLengthMarkAU}, // EIndicCodeDependentVowel for Telugu ???

   316 	{0xD58, EIndicCodeOther}, // NOT USED D58 - D5F

   317 	{0xD60, EIndicCodeIndependentVowel}, // RR, LL

   318 	{0xD62, EIndicCodeOther}, // NOT USED D62 - D65, digits D66 - D6F

   319 	{0x200D, EIndicCodeZWJ},

   320 	{0x200E, EIndicCodeOther}

   321 	};

   323 /* Holds all parameters specific to scripts */

   324 struct TIndicScriptProcessorParameters{

   325 	TUint32 iLanguageCode;

   326 	TUint32 iScriptCode;

   327 	TUint iUCLow;

   328 	TUint iUCHigh;

   329 	TUint iMapLen;

   330 	const TIndicCodeMapping *iCodeMap;

   331 };

   333 static const TIndicScriptProcessorParameters KIndicDevParameters = {

   334 	0x48494E20, //KHindiLanguageCode,

   335 	0x64657661, //KDevanagariScriptCode,

   336 	0x0900, //KDevLow,

   337 	0x0970, //KDevHigh,

   338 	sizeof(KDevCodeMap)/sizeof(KDevCodeMap[0]),

   339 	KDevCodeMap

   340 };

   342 static const TIndicScriptProcessorParameters KIndicKanParameters = {

   343 	0x4B414E20, //KKannadaLanguageCode,

   344 	0x6B6E6461, //KKannadaScriptCode,

   345 	0x0C80, //KKanLow,

   346 	0x0CFF, //KKanHigh,

   347 	sizeof(KKanCodeMap)/sizeof(KKanCodeMap[0]),

   348 	KKanCodeMap

   349 };

   351 static const TIndicScriptProcessorParameters KIndicGujParameters = {

   352 	0x47554A20, //KGujaratiLanguageCode,

   353 	0x67756A72, //KGujaratiScriptCode,

   354 	0x0A80, //KGujLow,

   355 	0x0AFF, //KGujHigh,

   356 	sizeof(KGujCodeMap)/sizeof(KGujCodeMap[0]),

   357 	KGujCodeMap

   358 };

   360 static const TIndicScriptProcessorParameters KIndicBenParameters = {

   361 	0x42454E20, //KBengaliLanguageCode,

   362 	0x62656E67, //KBengaliScriptCode,

   363 	0x0980, //KBenLow,

   364 	0x09FF, //KBenHigh,

   365 	sizeof(KBenCodeMap)/sizeof(KBenCodeMap[0]),

   366 	KBenCodeMap

   367 };

   369 static const TIndicScriptProcessorParameters KIndicTamParameters = {

   370 	0x54414D20, //KTamilLanguageCode,

   371 	0x74616D6C, //KTamilScriptCode,

   372 	0x0B80, //KTamLow,

   373 	0x0BFF, //KTamHigh,

   374 	sizeof(KTamCodeMap)/sizeof(KTamCodeMap[0]),

   375 	KTamCodeMap

   376 };

   378 static const TIndicScriptProcessorParameters KIndicTelParameters = {

   379 	0x54454C20, //KTeluguLanguageCode,

   380 	0x74656C75, //KTeluguScriptCode,

   381 	0x0C00, //KTelLow,

   382 	0x0C7F, //KTelHigh,

   383 	sizeof(KTelCodeMap)/sizeof(KTelCodeMap[0]),

   384 	KTelCodeMap

   385 };

   387 static const TIndicScriptProcessorParameters KIndicGurParameters = {

   388 	0x00000000,	//KGurmukhiLanguageCode,

   389 	0x67757275, //KGurmukhiScriptCode,

   390 	0x0A00, //KGurLow,

   391 	0x0A7F, //KGurHigh,

   392 	sizeof(KGurCodeMap)/sizeof(KGurCodeMap[0]),

   393 	KGurCodeMap

   394 };

   396 static const TIndicScriptProcessorParameters KIndicMalParameters = {

   397 	0x4D4C5220, //KMalayalamLanguageCode,

   398 	0x6D6C796D, //KMalayalamScriptCode,

   399 	0x0D00, //KMalaLow,

   400 	0x0D7F, //KMalaHigh,

   401 	sizeof(KMalaCodeMap)/sizeof(KMalaCodeMap[0]),

   402 	KMalaCodeMap

   403 };

   405 /** This is the default glyph selector class for Devanagari characters in the

   406 range 0x0900..0x097F.

   407 @internalComponent

   408 */

   409 class GlyphSelector_Devanagari

   410 	{

   411 public:

   412 	static TBool Process(TGlyphSelectionState& aGss, RShapeInfo&);

   413 	};

   416 /** This is the default glyph selector class for Kannada characters in the

   417 range 0x0C80..0x0CFF.

   418 @internalComponent

   419 */

   420 class GlyphSelector_Kannada

   421 	{

   422 public:

   423 	static TBool Process(TGlyphSelectionState& aGss, RShapeInfo&);

   424 	};

   427 /** This is the default glyph selector class for Gujarati characters in the

   428 range 0x0A80..0x0AFF.

   429 @internalComponent

   430 */

   431 class GlyphSelector_Gujarati

   432 	{

   433 public:

   434 	static TBool Process(TGlyphSelectionState& aGss, RShapeInfo&);

   435 	};

   437 /** This is the default glyph selector class for Bengali characters in the

   438 range 0x0980..0x09FF.

   439 @internalComponent

   440 */

   441 class GlyphSelector_Bengali

   442 	{

   443 public:

   444 	static TBool Process(TGlyphSelectionState& aGss, RShapeInfo&);

   445 	};

   447 /** This is the default glyph selector class for Tamil characters in the

   448 range 0x0B80..0x0BFF.

   449 @internalComponent

   450 */

   451 class GlyphSelector_Tamil

   452 	{

   453 public:

   454 	static TBool Process(TGlyphSelectionState& aGss, RShapeInfo&);

   455 	};

   457 /** This is the default glyph selector class for Telugu characters in the

   458 range 0x0C00..0x0C7F.

   459 @internalComponent

   460 */

   461 class GlyphSelector_Telugu

   462 	{

   463 public:

   464 	static TBool Process(TGlyphSelectionState& aGss, RShapeInfo&);

   465 	};

   467 /** This is the default glyph selector class for Gurmukhi characters in the

   468 range 0x0A00..0x0A7F.

   469 @internalComponent

   470 */

   471 class GlyphSelector_Gurmukhi

   472 	{

   473 public:

   474 	static TBool Process(TGlyphSelectionState& aGss, RShapeInfo&);

   475 	};

   477 /** This is the default glyph selector class for Malayalam characters in the

   478 range 0x0D00..0x0D7F.

   479 @internalComponent

   480 */

   481 class GlyphSelector_Malayalam

   482 	{

   483 public:

   484 	static TBool Process(TGlyphSelectionState& aGss, RShapeInfo&);

   485 	};

   487 #endif

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--