printingservices/printerdriversupport/src/PDRBODY.CPP
changeset 0 5d03bc08d59c
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     1 // Copyright (c) 1997-2009 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 //
       
    15 
       
    16 #include "PDRBODY.H"
       
    17 #include "PDRSTD.H"
       
    18 
       
    19 TPdrResource::TPdrResource():
       
    20 	iId(0),
       
    21 	iString()
       
    22 	{
       
    23 	}
       
    24 
       
    25 void TPdrResource::InternalizeL(RReadStream& aStream)
       
    26 	{
       
    27 	iId = aStream.ReadUint8L();
       
    28 	aStream >> iString;
       
    29 	}
       
    30 
       
    31 CPdrTranslation::CPdrTranslation():
       
    32 	iFrom(0),
       
    33 	iTo(NULL)
       
    34 	{
       
    35 	__DECLARE_NAME(_S("CPdrTranslation"));
       
    36 	}
       
    37 
       
    38 CPdrTranslation::~CPdrTranslation()
       
    39 	{
       
    40 	delete iTo;
       
    41 	}
       
    42 
       
    43 void CPdrTranslation::InternalizeL(RReadStream& aStream)
       
    44 	{
       
    45 	iFrom = aStream.ReadUint16L();
       
    46 	iTo=HBufC8::NewL(aStream,KMaxCommandStringMaxLength);
       
    47 	}
       
    48 
       
    49 CPdrTranslates::CPdrTranslates():
       
    50 	iStreamId(KNullStreamId),
       
    51 	iNumTranslations(0),
       
    52 	iTranslationList(NULL)
       
    53 	{
       
    54 	__DECLARE_NAME(_S("CPdrTranslates"));
       
    55 	}
       
    56 
       
    57 void CPdrTranslates::InternalizeL(RReadStream& aStream)
       
    58 	{
       
    59 	TInt size=aStream.ReadInt32L();
       
    60 	iTranslationList = new(ELeave) CPdrTranslation*[size];
       
    61 	for (TInt i=0; i<size; i++)
       
    62 		{
       
    63 		iTranslationList[i]=new(ELeave) CPdrTranslation;
       
    64 		iNumTranslations++;
       
    65 		iTranslationList[i]->InternalizeL(aStream);
       
    66 		}
       
    67 	}
       
    68 
       
    69 CPdrTranslates::~CPdrTranslates()
       
    70 	{
       
    71 	for (; iNumTranslations>0; iNumTranslations--)
       
    72 		delete iTranslationList[iNumTranslations-1];
       
    73 	delete[] iTranslationList;
       
    74 	}
       
    75 
       
    76 HBufC8* CPdrTranslates::TranslateStringL(const TDesC& aString) const 
       
    77 	{
       
    78 	CPdrTranslation** pEnd=iTranslationList+iNumTranslations;
       
    79 	TInt length1=aString.Length(),length2=length1;
       
    80 	if (iNumTranslations)
       
    81 		{
       
    82 		for (TInt i=0; i<length1; i++)
       
    83 			{
       
    84 			for (CPdrTranslation** p=iTranslationList; p<pEnd; p++)
       
    85 				if (aString[i]==(*p)->iFrom)
       
    86 					length2+=(*p)->iTo->Des().Length()-1;
       
    87 			}
       
    88 		}
       
    89 	HBufC8* string2=HBufC8::NewL(length2);
       
    90 	string2->Des().Copy(aString);	
       
    91 	if (iNumTranslations)
       
    92 		{
       
    93 		CleanupStack::PushL(string2);	
       
    94 		HBufC8* string1=HBufC8::NewL(length1);
       
    95 		string1->Des().Copy(aString);	
       
    96 		TInt j=0;
       
    97 		for (TInt i=0; i<length1; i++)
       
    98 			{
       
    99 			for (CPdrTranslation** p=iTranslationList; p<pEnd; p++)
       
   100 				{
       
   101 				if (aString[i]==(*p)->iFrom)
       
   102 					{
       
   103 					if ((*p)->iTo->Des().Length()==1)
       
   104 						{
       
   105 						string2->Des()[j]=(*p)->iTo->Des()[0];
       
   106 						}
       
   107 					else
       
   108 						{
       
   109 						string2->Des().SetLength(j);
       
   110 						string2->Des().Append((*p)->iTo->Des());
       
   111 						j+=(*p)->iTo->Des().Length()-1;
       
   112 						if ((i+1)<length1)
       
   113 							{
       
   114 							string2->Des().SetLength(j+1);
       
   115 							string2->Des().Append(string1->Des().Mid(i+1));
       
   116 							}
       
   117 						}
       
   118 					}
       
   119 				}
       
   120 			j++;
       
   121 			}
       
   122 		delete string1;
       
   123 		CleanupStack::Pop();
       
   124 		}
       
   125 	return string2;
       
   126 	}
       
   127 
       
   128 CWidthsCodeSection::CWidthsCodeSection():
       
   129 	iNumWidths(0),
       
   130 	iWidthList(NULL)
       
   131 	{
       
   132 	__DECLARE_NAME(_S("CWidthsCodeSection"));
       
   133 	}
       
   134 
       
   135 void CWidthsCodeSection::InternalizeL(RReadStream& aStream)
       
   136 	{
       
   137 	iCodeSection.iStart = aStream.ReadUint16L();
       
   138 	iCodeSection.iEnd = aStream.ReadUint16L();
       
   139 	iNumWidths = aStream.ReadInt32L();
       
   140 	iWidthList = new(ELeave) TUint16[iNumWidths];
       
   141 	TUint16* pEnd = iWidthList+iNumWidths;
       
   142 	for (TUint16* p=iWidthList; p<pEnd; p++)
       
   143 		*p = aStream.ReadUint16L();
       
   144 	}
       
   145 
       
   146 CWidthsCodeSection::~CWidthsCodeSection()
       
   147 	{
       
   148 	delete[] iWidthList;
       
   149 	iNumWidths=0;
       
   150 	iWidthList=NULL;
       
   151 	}
       
   152 
       
   153 CFontInfo::CFontInfo(TStreamId aStreamId):
       
   154 	iStreamId(aStreamId),
       
   155 	iAscentInPixels(0),
       
   156 	iMaxCharWidthInPixels(0),
       
   157 	iMaxNormalCharWidthInPixels(0),
       
   158 	iNumCodeSections(0),
       
   159 	iCodeSectionList(NULL)
       
   160 	{
       
   161 	__DECLARE_NAME(_S("CFontInfo"));
       
   162 	}
       
   163 
       
   164 void CFontInfo::InternalizeL(RReadStream &aStream)
       
   165 	{
       
   166 	iAscentInPixels = aStream.ReadUint16L();
       
   167 	iMaxCharWidthInPixels = aStream.ReadUint16L();
       
   168 	iMaxNormalCharWidthInPixels = aStream.ReadUint16L();
       
   169 	TInt size = aStream.ReadInt32L();
       
   170 	iCodeSectionList = new(ELeave) CWidthsCodeSection*[size];
       
   171 	for (TInt i=0; i<size; i++)
       
   172 		{
       
   173 		iCodeSectionList[i]=new(ELeave) CWidthsCodeSection;
       
   174 		iNumCodeSections++;
       
   175 		iCodeSectionList[i]->InternalizeL(aStream);
       
   176 		}
       
   177 	}
       
   178 
       
   179 CFontInfo::~CFontInfo()
       
   180 	{
       
   181 	for (; iNumCodeSections>0; iNumCodeSections--)
       
   182 		delete iCodeSectionList[iNumCodeSections-1];
       
   183 	delete[] iCodeSectionList;
       
   184 	}
       
   185 
       
   186 TInt CFontInfo::CharWidthInPixels(TChar aChar) const
       
   187 	{
       
   188 	TInt width=0,code=TUint(aChar);
       
   189 	for (TInt i=0; i<iNumCodeSections; i++)
       
   190 		{
       
   191 		CWidthsCodeSection* p=iCodeSectionList[i];
       
   192 		if ((code>=p->iCodeSection.iStart) && (code<=p->iCodeSection.iEnd))
       
   193 			{
       
   194 			if (p->iNumWidths==1)
       
   195 				width=p->iWidthList[0];
       
   196 			else 
       
   197 				width = *((p->iWidthList)+(code-p->iCodeSection.iStart));
       
   198 			}
       
   199 		}
       
   200 	return width;
       
   201 	}
       
   202 
       
   203 TInt CFontInfo::NumCodeSections() const
       
   204 	{
       
   205 	return iNumCodeSections;
       
   206 	}
       
   207 
       
   208 TCodeSection CFontInfo::CodeSection(TInt anIndex) const
       
   209 	{
       
   210 	return iCodeSectionList[anIndex]->iCodeSection;
       
   211 	}
       
   212 
       
   213 TPdrStyle::TPdrStyle():
       
   214 	iIsAvailable(EFalse),
       
   215 	iFontInfoStreamId(KNullStreamId)
       
   216 	{
       
   217 	}
       
   218 
       
   219 void TPdrStyle::InternalizeL(RReadStream &aStream)
       
   220 	{
       
   221 	iIsAvailable = aStream.ReadUint8L();
       
   222 	aStream >> iFontInfoStreamId;
       
   223 	}	
       
   224 
       
   225 TPdrFontHeight::TPdrFontHeight():
       
   226 	iCommandString(),
       
   227 	iHeightInTwips(0),
       
   228 	iWidthScale(1),
       
   229 	iStyle() 
       
   230 	{
       
   231 	}
       
   232 
       
   233 void TPdrFontHeight::InternalizeL(RReadStream& aStream)
       
   234 	{
       
   235 	aStream >> iCommandString;
       
   236 	iHeightInTwips = aStream.ReadInt32L();
       
   237 	iWidthScale = aStream.ReadInt32L();
       
   238 	for (TInt style=EStyleNormal; style<(EStyleBoldItalic+1); style++)
       
   239 		iStyle[style].InternalizeL(aStream);
       
   240 	}
       
   241 
       
   242 TPdrScalableFontHeight::TPdrScalableFontHeight():
       
   243 	iCommandString(),
       
   244 	iHeightMinInTwips(0),
       
   245 	iHeightMaxInTwips(0),
       
   246 	iHeightDeltaInTwips(0),
       
   247 	iStyle() 
       
   248 	{
       
   249 	}
       
   250 
       
   251 void TPdrScalableFontHeight::InternalizeL(RReadStream& aStream)
       
   252 	{
       
   253 	aStream >> iCommandString;
       
   254 	iHeightMinInTwips = aStream.ReadInt32L();
       
   255 	iHeightMaxInTwips = aStream.ReadInt32L();
       
   256 	iHeightDeltaInTwips = aStream.ReadInt32L();
       
   257 	for (TInt style=EStyleNormal; style<(EStyleBoldItalic+1); style++)
       
   258 		iStyle[style].InternalizeL(aStream);
       
   259 	}
       
   260 
       
   261 CTypefaceFonts::CTypefaceFonts():
       
   262 	iTypeface(),
       
   263 	iNumFontHeights(0),
       
   264 	iFontHeightList(NULL),
       
   265 	iScalableFontHeight(NULL),
       
   266 	iTranslates()
       
   267 	{
       
   268 	__DECLARE_NAME(_S("CTypefaceFonts"));
       
   269 	}
       
   270 
       
   271 void CTypefaceFonts::InternalizeL(RReadStream& aStream)
       
   272 	{
       
   273 	iTypeface.InternalizeL(aStream);
       
   274 	TInt isscalable = aStream.ReadInt8L();
       
   275  	if (!isscalable)
       
   276 		{
       
   277 		iNumFontHeights = aStream.ReadInt32L();
       
   278 		iFontHeightList = new(ELeave) TPdrFontHeight[iNumFontHeights];
       
   279 		TPdrFontHeight *pStart=iFontHeightList, *pEnd=pStart+iNumFontHeights;
       
   280 		for (TPdrFontHeight *p=pStart; p<pEnd; p++)
       
   281 			p->InternalizeL(aStream);
       
   282 		}
       
   283 	else
       
   284 		{
       
   285 		iScalableFontHeight = new(ELeave) TPdrScalableFontHeight;
       
   286 		iScalableFontHeight->InternalizeL(aStream);
       
   287 		}
       
   288 	aStream >> iTranslates;
       
   289 	}
       
   290 
       
   291 CTypefaceFonts::~CTypefaceFonts()
       
   292 	{
       
   293 	if (!IsScalable())
       
   294 		{
       
   295 		iNumFontHeights=0;
       
   296 		delete[] iFontHeightList;
       
   297 		iFontHeightList=NULL;
       
   298 		}
       
   299 	else
       
   300 		{
       
   301 		delete iScalableFontHeight;
       
   302 		iScalableFontHeight=NULL;
       
   303 		}
       
   304 	}
       
   305 
       
   306 TInt CTypefaceFonts::IsScalable() const
       
   307 	{
       
   308 	return !iNumFontHeights;
       
   309 	}
       
   310 
       
   311 TInt CTypefaceFonts::NumFontHeights() const
       
   312 	{
       
   313 	TInt num;
       
   314 	if (!IsScalable())
       
   315 		num = iNumFontHeights;
       
   316 	else
       
   317 		num = ((iScalableFontHeight->iHeightMaxInTwips-iScalableFontHeight->iHeightMinInTwips)/iScalableFontHeight->iHeightDeltaInTwips) + 1;
       
   318 	return num;
       
   319 	}
       
   320 
       
   321 TInt CTypefaceFonts::FontHeightInTwips(TInt aHeightIndex) const
       
   322 	{
       
   323 	TInt height=0;
       
   324 	__ASSERT_DEBUG((aHeightIndex>=0) && (aHeightIndex<NumFontHeights()),Panic(EPdrHeightIndexOutOfRange));
       
   325 	if (!IsScalable())
       
   326 		height = iFontHeightList[aHeightIndex].iHeightInTwips;
       
   327 	else
       
   328 		height = iScalableFontHeight->iHeightMinInTwips + (iScalableFontHeight->iHeightDeltaInTwips*aHeightIndex);
       
   329 	return height;
       
   330 	}
       
   331 
       
   332 TInt CTypefaceFonts::FontInfoHeightInTwips(TInt aHeightIndex) const
       
   333 	{
       
   334 	TInt height=0;
       
   335 	__ASSERT_DEBUG((aHeightIndex>=0) && (aHeightIndex<NumFontHeights()),Panic(EPdrHeightIndexOutOfRange));
       
   336 	if (!IsScalable())
       
   337 		height = iFontHeightList[aHeightIndex].iHeightInTwips/iFontHeightList[aHeightIndex].iWidthScale;
       
   338 	else
       
   339 		height = KScalableWidthTableHeightInTwips;
       
   340 	return height;
       
   341 	}
       
   342 
       
   343 void CTypefaceFonts::CommandString(TDes8& aDes,TInt aHeightIndex) const
       
   344 	{
       
   345 	__ASSERT_DEBUG((aHeightIndex>=0) && (aHeightIndex<NumFontHeights()),Panic(EPdrHeightIndexOutOfRange));
       
   346 	if (!IsScalable())
       
   347 		aDes=iFontHeightList[aHeightIndex].iCommandString;
       
   348 	else
       
   349 		{
       
   350 		TInt heightinpoints=FontHeightInTwips(aHeightIndex)/KTwipsPerPoint;
       
   351 		aDes.Format(iScalableFontHeight->iCommandString,heightinpoints);
       
   352 		}
       
   353 	}
       
   354 
       
   355 TPdrStyle* CTypefaceFonts::Style(TInt aHeightIndex,TFontStyle& aFontStyle) const
       
   356 	{
       
   357 	TPdrStyle* style=NULL;
       
   358 	TStyleIndex index=StyleIndex(aFontStyle);
       
   359 	__ASSERT_DEBUG((aHeightIndex>=0) && (aHeightIndex<NumFontHeights()),Panic(EPdrHeightIndexOutOfRange));
       
   360 	if (!IsScalable())
       
   361 		style = iFontHeightList[aHeightIndex].iStyle+index;
       
   362 	else
       
   363 		style = iScalableFontHeight->iStyle+index;
       
   364 	return style;
       
   365 	}
       
   366 
       
   367 TTypeface CTypefaceFonts::Typeface()
       
   368 	{
       
   369 	return iTypeface;
       
   370 	}
       
   371 
       
   372 TStyleIndex CTypefaceFonts::StyleIndex(TFontStyle& aFontStyle) const
       
   373 	{
       
   374 	TStyleIndex index;
       
   375 	if (aFontStyle.StrokeWeight()==EStrokeWeightNormal)
       
   376 		{
       
   377 		if (aFontStyle.Posture()==EPostureUpright)
       
   378 			index=EStyleNormal;
       
   379 		else
       
   380 			index=EStyleItalic;
       
   381 		}
       
   382 	else
       
   383 		{
       
   384 		if (aFontStyle.Posture()==EPostureUpright)
       
   385 			index=EStyleBold;
       
   386 		else
       
   387 			index=EStyleBoldItalic;
       
   388 		}
       
   389 	return index;
       
   390 	}