EStatusCode IndirectObjectsReferenceRegistry::WriteState(ObjectsContext* inStateWriter,ObjectIDType inObjectID)
{
ObjectIDTypeList objects;
inStateWriter->StartNewIndirectObject(inObjectID);
DictionaryContext* myDictionary = inStateWriter->StartDictionary();
myDictionary->WriteKey("Type");
myDictionary->WriteNameValue("IndirectObjectsReferenceRegistry");
myDictionary->WriteKey("mObjectsWritesRegistry");
ObjectWriteInformationVector::iterator it = mObjectsWritesRegistry.begin();
inStateWriter->StartArray();
for(; it != mObjectsWritesRegistry.end(); ++it)
{
ObjectIDType objectWriteEntry = inStateWriter->GetInDirectObjectsRegistry().AllocateNewObjectID();
inStateWriter->WriteIndirectObjectReference(objectWriteEntry);
objects.push_back(objectWriteEntry);
}
inStateWriter->EndArray(eTokenSeparatorEndLine);
inStateWriter->EndDictionary(myDictionary);
inStateWriter->EndIndirectObject();
ObjectIDTypeList::iterator itIDs = objects.begin();
it = mObjectsWritesRegistry.begin();
for(; it != mObjectsWritesRegistry.end(); ++it,++itIDs)
{
inStateWriter->StartNewIndirectObject(*itIDs);
DictionaryContext* registryDictionary = inStateWriter->StartDictionary();
registryDictionary->WriteKey("Type");
registryDictionary->WriteNameValue("ObjectWriteInformation");
registryDictionary->WriteKey("mObjectWritten");
registryDictionary->WriteBooleanValue(it->mObjectWritten);
if(it->mObjectWritten)
{
registryDictionary->WriteKey("mWritePosition");
registryDictionary->WriteIntegerValue(it->mWritePosition);
}
registryDictionary->WriteKey("mObjectReferenceType");
registryDictionary->WriteIntegerValue(it->mObjectReferenceType);
inStateWriter->EndDictionary(registryDictionary);
inStateWriter->EndIndirectObject();
}
return PDFHummus::eSuccess;
}
EStatusCode ObjectsContext::WriteState(ObjectsContext* inStateWriter,ObjectIDType inObjectID)
{
EStatusCode status;
do
{
inStateWriter->StartNewIndirectObject(inObjectID);
ObjectIDType referencesRegistryObjectID = inStateWriter->GetInDirectObjectsRegistry().AllocateNewObjectID();
ObjectIDType subsetFontsNameSequanceID = inStateWriter->GetInDirectObjectsRegistry().AllocateNewObjectID();
DictionaryContext* objectsContextDict = inStateWriter->StartDictionary();
objectsContextDict->WriteKey("Type");
objectsContextDict->WriteNameValue("ObjectsContext");
objectsContextDict->WriteKey("mReferencesRegistry");
objectsContextDict->WriteNewObjectReferenceValue(referencesRegistryObjectID);
objectsContextDict->WriteKey("mCompressStreams");
objectsContextDict->WriteBooleanValue(mCompressStreams);
objectsContextDict->WriteKey("mSubsetFontsNamesSequance");
objectsContextDict->WriteNewObjectReferenceValue(subsetFontsNameSequanceID);
inStateWriter->EndDictionary(objectsContextDict);
inStateWriter->EndIndirectObject();
status = mReferencesRegistry.WriteState(inStateWriter,referencesRegistryObjectID);
if(status != PDFHummus::eSuccess)
break;
// write subset fonts names sequance
inStateWriter->StartNewIndirectObject(subsetFontsNameSequanceID);
DictionaryContext* sequanceDict = inStateWriter->StartDictionary();
sequanceDict->WriteKey("Type");
sequanceDict->WriteNameValue("UppercaseSequance");
sequanceDict->WriteKey("mSequanceString");
sequanceDict->WriteLiteralStringValue(mSubsetFontsNamesSequance.ToString());
inStateWriter->EndDictionary(sequanceDict);
inStateWriter->EndIndirectObject();
}while(false);
return status;
}
EStatusCode UsedFontsRepository::WriteState(ObjectsContext* inStateWriter,ObjectIDType inObjectID)
{
EStatusCode status = PDFHummus::eSuccess;
ObjectIDTypeList usedFontsObjects;
inStateWriter->StartNewIndirectObject(inObjectID);
DictionaryContext* usedFontsRepositoryObject = inStateWriter->StartDictionary();
usedFontsRepositoryObject->WriteKey("Type");
usedFontsRepositoryObject->WriteNameValue("UsedFontsRepository");
usedFontsRepositoryObject->WriteKey("mUsedFonts");
inStateWriter->StartArray();
StringAndLongToPDFUsedFontMap::iterator it = mUsedFonts.begin();
for(; it != mUsedFonts.end();++it)
{
PDFTextString aTextString(it->first.first);
inStateWriter->WriteLiteralString(aTextString.ToString());
inStateWriter->WriteInteger(it->first.second);
ObjectIDType usedFontID = inStateWriter->GetInDirectObjectsRegistry().AllocateNewObjectID();
inStateWriter->WriteNewIndirectObjectReference(usedFontID);
usedFontsObjects.push_back(usedFontID);
}
inStateWriter->EndArray(eTokenSeparatorEndLine);
usedFontsRepositoryObject->WriteKey("mOptionaMetricsFiles");
inStateWriter->StartArray();
StringToStringMap::iterator itOptionals = mOptionaMetricsFiles.begin();
for(; itOptionals != mOptionaMetricsFiles.end();++itOptionals)
{
PDFTextString aTextString(itOptionals->first);
inStateWriter->WriteLiteralString(aTextString.ToString());
aTextString = itOptionals->second;
inStateWriter->WriteLiteralString(aTextString.ToString());
}
inStateWriter->EndArray(eTokenSeparatorEndLine);
inStateWriter->EndDictionary(usedFontsRepositoryObject);
inStateWriter->EndIndirectObject();
if(usedFontsObjects.size() > 0)
{
it = mUsedFonts.begin();
ObjectIDTypeList::iterator itIDs = usedFontsObjects.begin();
for(; it != mUsedFonts.end() && PDFHummus::eSuccess == status;++it,++itIDs)
status = it->second->WriteState(inStateWriter,*itIDs);
}
return status;
}
EStatusCode CFFEmbeddedFontWriter::WriteEmbeddedFont(
FreeTypeFaceWrapper& inFontInfo,
const UIntVector& inSubsetGlyphIDs,
const std::string& inFontFile3SubType,
const std::string& inSubsetFontName,
ObjectsContext* inObjectsContext,
UShortVector* inCIDMapping,
ObjectIDType& outEmbeddedFontObjectID)
{
MyStringBuf rawFontProgram;
bool notEmbedded;
// as oppose to true type, the reason for using a memory stream here is mainly peformance - i don't want to start
// setting file pointers and move in a file stream
EStatusCode status;
do
{
status = CreateCFFSubset(inFontInfo,inSubsetGlyphIDs,inCIDMapping,inSubsetFontName,notEmbedded,rawFontProgram);
if(status != PDFHummus::eSuccess)
{
TRACE_LOG("CFFEmbeddedFontWriter::WriteEmbeddedFont, failed to write embedded font program");
break;
}
if(notEmbedded)
{
// can't embed. mark succesful, and go back empty
outEmbeddedFontObjectID = 0;
TRACE_LOG("CFFEmbeddedFontWriter::WriteEmbeddedFont, font may not be embedded. so not embedding");
return PDFHummus::eSuccess;
}
outEmbeddedFontObjectID = inObjectsContext->StartNewIndirectObject();
DictionaryContext* fontProgramDictionaryContext = inObjectsContext->StartDictionary();
rawFontProgram.pubseekoff(0,std::ios_base::beg);
fontProgramDictionaryContext->WriteKey(scSubtype);
fontProgramDictionaryContext->WriteNameValue(inFontFile3SubType);
PDFStream* pdfStream = inObjectsContext->StartPDFStream(fontProgramDictionaryContext);
// now copy the created font program to the output stream
InputStringBufferStream fontProgramStream(&rawFontProgram);
OutputStreamTraits streamCopier(pdfStream->GetWriteStream());
status = streamCopier.CopyToOutputStream(&fontProgramStream);
if(status != PDFHummus::eSuccess)
{
TRACE_LOG("CFFEmbeddedFontWriter::WriteEmbeddedFont, failed to copy font program into pdf stream");
break;
}
inObjectsContext->EndPDFStream(pdfStream);
delete pdfStream;
}while(false);
return status;
}
EStatusCode PDFUsedFont::WriteState(ObjectsContext* inStateWriter,ObjectIDType inObjectID)
{
inStateWriter->StartNewIndirectObject(inObjectID);
DictionaryContext* pdfUsedFontObject = inStateWriter->StartDictionary();
pdfUsedFontObject->WriteKey("Type");
pdfUsedFontObject->WriteNameValue("PDFUsedFont");
ObjectIDType writtenFontObject;
if(mWrittenFont)
{
writtenFontObject = inStateWriter->GetInDirectObjectsRegistry().AllocateNewObjectID();
pdfUsedFontObject->WriteKey("mWrittenFont");
pdfUsedFontObject->WriteNewObjectReferenceValue(writtenFontObject);
}
inStateWriter->EndDictionary(pdfUsedFontObject);
inStateWriter->EndIndirectObject();
if(mWrittenFont)
mWrittenFont->WriteState(inStateWriter,writtenFontObject);
return PDFHummus::eSuccess;
}
EStatusCode WrittenFontCFF::WriteState(ObjectsContext* inStateWriter,ObjectIDType inObjectID)
{
inStateWriter->StartNewIndirectObject(inObjectID);
DictionaryContext* writtenFontDictionary = inStateWriter->StartDictionary();
writtenFontDictionary->WriteKey("Type");
writtenFontDictionary->WriteNameValue("WrittenFontCFF");
writtenFontDictionary->WriteKey("mAvailablePositionsCount");
writtenFontDictionary->WriteIntegerValue(mAvailablePositionsCount);
writtenFontDictionary->WriteKey("mFreeList");
inStateWriter->StartArray();
UCharAndUCharList::iterator it = mFreeList.begin();
for(; it != mFreeList.end();++it)
{
inStateWriter->WriteInteger(it->first);
inStateWriter->WriteInteger(it->second);
}
inStateWriter->EndArray(eTokenSeparatorEndLine);
writtenFontDictionary->WriteKey("mAssignedPositions");
inStateWriter->StartArray();
for(int i=0;i<256;++i)
inStateWriter->WriteInteger(mAssignedPositions[i]);
inStateWriter->EndArray(eTokenSeparatorEndLine);
writtenFontDictionary->WriteKey("mAssignedPositionsAvailable");
inStateWriter->StartArray();
for(int i=0;i<256;++i)
inStateWriter->WriteBoolean(mAssignedPositionsAvailable[i]);
inStateWriter->EndArray(eTokenSeparatorEndLine);
writtenFontDictionary->WriteKey("mIsCID");
writtenFontDictionary->WriteBooleanValue(mIsCID);
EStatusCode status = AbstractWrittenFont::WriteStateInDictionary(inStateWriter,writtenFontDictionary);
if(PDFHummus::eSuccess == status)
{
inStateWriter->EndDictionary(writtenFontDictionary);
inStateWriter->EndIndirectObject();
status = AbstractWrittenFont::WriteStateAfterDictionary(inStateWriter);
}
return status;
}
EStatusCode WrittenFontTrueType::WriteState(ObjectsContext* inStateWriter,ObjectIDType inObjectID)
{
inStateWriter->StartNewIndirectObject(inObjectID);
DictionaryContext* writtenFontDictionary = inStateWriter->StartDictionary();
writtenFontDictionary->WriteKey("Type");
writtenFontDictionary->WriteNameValue("WrittenFontTrueType");
EStatusCode status = AbstractWrittenFont::WriteStateInDictionary(inStateWriter,writtenFontDictionary);
if(PDFHummus::eSuccess == status)
{
inStateWriter->EndDictionary(writtenFontDictionary);
inStateWriter->EndIndirectObject();
status = AbstractWrittenFont::WriteStateAfterDictionary(inStateWriter);
}
return status;
}
PDFStream* ObjectsContext::StartPDFStream(DictionaryContext* inStreamDictionary,bool inForceDirectExtentObject)
{
// write stream header and allocate PDF stream.
// PDF stream will take care of maintaining state for the stream till writing is finished
// Write the stream header
// Write Stream Dictionary (note that inStreamDictionary is optionally used)
DictionaryContext* streamDictionaryContext = (NULL == inStreamDictionary ? StartDictionary() : inStreamDictionary);
// Compression (if necessary)
if(mCompressStreams)
{
streamDictionaryContext->WriteKey(scFilter);
streamDictionaryContext->WriteNameValue(scFlateDecode);
}
PDFStream* result = NULL;
if(!inForceDirectExtentObject)
{
// Length (write as an indirect object)
streamDictionaryContext->WriteKey(scLength);
ObjectIDType lengthObjectID = mReferencesRegistry.AllocateNewObjectID();
streamDictionaryContext->WriteNewObjectReferenceValue(lengthObjectID);
EndDictionary(streamDictionaryContext);
// Write Stream Content
WriteKeyword(scStream);
result = new PDFStream(mCompressStreams,mOutputStream, mEncryptionHelper,lengthObjectID,mExtender);
}
else
result = new PDFStream(mCompressStreams,mOutputStream, mEncryptionHelper,streamDictionaryContext,mExtender);
// break encryption, if any, when writing a stream, cause if encryption is desired, only top level elements should be encrypted. hence - the stream itself is, but its contents do not re-encrypt
if (mEncryptionHelper)
mEncryptionHelper->PauseEncryption();
return result;
}
PDFStream* ObjectsContext::StartPDFStream(DictionaryContext* inStreamDictionary,bool inForceDirectExtentObject)
{
// write stream header and allocate PDF stream.
// PDF stream will take care of maintaining state for the stream till writing is finished
// Write the stream header
// Write Stream Dictionary (note that inStreamDictionary is optionally used)
DictionaryContext* streamDictionaryContext = (NULL == inStreamDictionary ? StartDictionary() : inStreamDictionary);
// Compression (if necessary)
if(mCompressStreams)
{
streamDictionaryContext->WriteKey(scFilter);
streamDictionaryContext->WriteNameValue(scFlateDecode);
}
if(!inForceDirectExtentObject)
{
// Length (write as an indirect object)
streamDictionaryContext->WriteKey(scLength);
ObjectIDType lengthObjectID = mReferencesRegistry.AllocateNewObjectID();
streamDictionaryContext->WriteNewObjectReferenceValue(lengthObjectID);
EndDictionary(streamDictionaryContext);
// Write Stream Content
WriteKeyword(scStream);
return new PDFStream(mCompressStreams,mOutputStream,lengthObjectID,mExtender);
}
else
return new PDFStream(mCompressStreams,mOutputStream,streamDictionaryContext,mExtender);
}
void FontDescriptorWriter::WriteFontDescriptor( ObjectIDType inFontDescriptorObjectID,
const string& inFontPostscriptName,
FreeTypeFaceWrapper* inFontInfo,
const UIntAndGlyphEncodingInfoVector& inEncodedGlyphs,
ObjectsContext* inObjectsContext,
IFontDescriptorHelper* inDescriptorHelper)
{
DictionaryContext* fontDescriptorDictionary;
inObjectsContext->StartNewIndirectObject(inFontDescriptorObjectID);
fontDescriptorDictionary = inObjectsContext->StartDictionary();
// FontName
fontDescriptorDictionary->WriteKey(scFontName);
fontDescriptorDictionary->WriteNameValue(inFontPostscriptName);
// FontFamily
fontDescriptorDictionary->WriteKey(scFontFamily);
fontDescriptorDictionary->WriteLiteralStringValue((*inFontInfo)->family_name);
// FontStretch
fontDescriptorDictionary->WriteKey(scFontStretch);
fontDescriptorDictionary->WriteNameValue(scFontStretchLabels[inFontInfo->GetFontStretch()]);
// FontWeight
fontDescriptorDictionary->WriteKey(scFontWeight);
fontDescriptorDictionary->WriteIntegerValue(inFontInfo->GetFontWeight());
// FontBBox
fontDescriptorDictionary->WriteKey(scFontBBox);
fontDescriptorDictionary->WriteRectangleValue(
PDFRectangle(
inFontInfo->GetInPDFMeasurements((*inFontInfo)->bbox.xMin),
inFontInfo->GetInPDFMeasurements((*inFontInfo)->bbox.yMin),
inFontInfo->GetInPDFMeasurements((*inFontInfo)->bbox.xMax),
inFontInfo->GetInPDFMeasurements((*inFontInfo)->bbox.yMax)));
// ItalicAngle
fontDescriptorDictionary->WriteKey(scItalicAngle);
fontDescriptorDictionary->WriteDoubleValue(inFontInfo->GetItalicAngle());
// Ascent
fontDescriptorDictionary->WriteKey(scAscent);
fontDescriptorDictionary->WriteIntegerValue(inFontInfo->GetInPDFMeasurements((*inFontInfo)->ascender));
// Descent
fontDescriptorDictionary->WriteKey(scDescent);
fontDescriptorDictionary->WriteIntegerValue(inFontInfo->GetInPDFMeasurements((*inFontInfo)->descender));
// CapHeight
BoolAndFTShort result = inFontInfo->GetCapHeight();
if(result.first)
{
fontDescriptorDictionary->WriteKey(scCapHeight);
fontDescriptorDictionary->WriteIntegerValue(result.second);
}
// XHeight
result = inFontInfo->GetxHeight();
if(result.first)
{
fontDescriptorDictionary->WriteKey(scXHeight);
fontDescriptorDictionary->WriteIntegerValue(result.second);
}
// StemV
fontDescriptorDictionary->WriteKey(scStemV);
fontDescriptorDictionary->WriteIntegerValue(inFontInfo->GetStemV());
// ChartSet writing (variants according to ANSI/CID)
inDescriptorHelper->WriteCharSet(fontDescriptorDictionary,inObjectsContext,inFontInfo,inEncodedGlyphs);
// Flags
fontDescriptorDictionary->WriteKey(scFlags);
fontDescriptorDictionary->WriteIntegerValue(CalculateFlags(inFontInfo,inEncodedGlyphs));
// font embedding [may not happen due to font embedding restrictions. helper is supposed to avoid reference as well]
inDescriptorHelper->WriteFontFileReference(fontDescriptorDictionary,inObjectsContext);
inObjectsContext->EndDictionary(fontDescriptorDictionary);
inObjectsContext->EndIndirectObject();
}
EStatusCode PDFWriter::Shutdown(const std::string& inStateFilePath)
{
EStatusCode status;
do
{
StateWriter writer;
status = writer.Start(inStateFilePath);
if(status != eSuccess)
{
TRACE_LOG("PDFWriter::Shutdown, cant start state writing");
break;
}
ObjectIDType rootObjectID = writer.GetObjectsWriter()->StartNewIndirectObject();
DictionaryContext* pdfWriterDictionary = writer.GetObjectsWriter()->StartDictionary();
pdfWriterDictionary->WriteKey("Type");
pdfWriterDictionary->WriteNameValue("PDFWriter");
ObjectIDType objectsContextID = writer.GetObjectsWriter()->GetInDirectObjectsRegistry().AllocateNewObjectID();
ObjectIDType DocumentContextID = writer.GetObjectsWriter()->GetInDirectObjectsRegistry().AllocateNewObjectID();
pdfWriterDictionary->WriteKey("mObjectsContext");
pdfWriterDictionary->WriteNewObjectReferenceValue(objectsContextID);
pdfWriterDictionary->WriteKey("mDocumentContext");
pdfWriterDictionary->WriteNewObjectReferenceValue(DocumentContextID);
pdfWriterDictionary->WriteKey("mIsModified");
pdfWriterDictionary->WriteBooleanValue(mIsModified);
if(mIsModified)
{
pdfWriterDictionary->WriteKey("mModifiedFileVersion");
pdfWriterDictionary->WriteIntegerValue(mModifiedFileVersion);
}
writer.GetObjectsWriter()->EndDictionary(pdfWriterDictionary);
writer.GetObjectsWriter()->EndIndirectObject();
writer.SetRootObject(rootObjectID);
status = mObjectsContext.WriteState(writer.GetObjectsWriter(),objectsContextID);
if(status != eSuccess)
break;
status = mDocumentContext.WriteState(writer.GetObjectsWriter(),DocumentContextID);
if(status != eSuccess)
break;
status = writer.Finish();
if(status != eSuccess)
{
TRACE_LOG("PDFWriter::Shutdown, cant finish state writing");
}
}while(false);
if(status != eSuccess)
{
mOutputFile.CloseFile();
TRACE_LOG("PDFWriter::Shutdown, Could not end PDF");
}
else
status = mOutputFile.CloseFile();
//ReleaseLog();
return status;
}
EStatusCodeAndObjectIDType PDFCommentWriter::WriteCommentsTree(PDFComment* inComment)
{
EStatusCodeAndObjectIDType result;
ObjectIDType repliedTo = 0;
// if already written, return
PDFCommentToObjectIDTypeMap::iterator it = mCommentsForNextPage.find(inComment);
if(it != mCommentsForNextPage.end())
{
result.first = eSuccess;
result.second = it->second;
return result;
}
// if has a referred comment, write it first
if(inComment->ReplyTo != NULL)
{
EStatusCodeAndObjectIDType repliedtoResult = WriteCommentsTree(inComment->ReplyTo);
if(repliedtoResult.first != eSuccess)
{
result.first = eFailure;
result.second = 0;
return result;
}
else
repliedTo = repliedtoResult.second;
}
do
{
ObjectsContext& objectsContext = mPDFWriter->GetObjectsContext();
// Start new InDirect object for annotation dictionary
result.second = objectsContext.StartNewIndirectObject();
DictionaryContext* dictionaryContext = objectsContext.StartDictionary();
// Type
dictionaryContext->WriteKey("Type");
dictionaryContext->WriteNameValue("Annot");
// SubType
dictionaryContext->WriteKey("Subtype");
dictionaryContext->WriteNameValue("Text");
// Rect
dictionaryContext->WriteKey("Rect");
dictionaryContext->WriteRectangleValue(
PDFRectangle(inComment->FrameBoundings[0],
inComment->FrameBoundings[1],
inComment->FrameBoundings[2],
inComment->FrameBoundings[3]));
// Contents
dictionaryContext->WriteKey("Contents");
dictionaryContext->WriteLiteralStringValue(PDFTextString(inComment->Text).ToString());
// C (color)
dictionaryContext->WriteKey("C");
objectsContext.StartArray();
if(inComment->Color.UseCMYK)
{
objectsContext.WriteDouble((double)inComment->Color.CMYKComponents[0]/255);
objectsContext.WriteDouble((double)inComment->Color.CMYKComponents[1]/255);
objectsContext.WriteDouble((double)inComment->Color.CMYKComponents[2]/255);
objectsContext.WriteDouble((double)inComment->Color.CMYKComponents[3]/255);
}
else
{
objectsContext.WriteDouble((double)inComment->Color.RGBComponents[0]/255);
objectsContext.WriteDouble((double)inComment->Color.RGBComponents[1]/255);
objectsContext.WriteDouble((double)inComment->Color.RGBComponents[2]/255);
}
objectsContext.EndArray(eTokenSeparatorEndLine);
// T
dictionaryContext->WriteKey("T");
dictionaryContext->WriteLiteralStringValue(PDFTextString(inComment->CommentatorName).ToString());
// M
dictionaryContext->WriteKey("M");
dictionaryContext->WriteLiteralStringValue(inComment->Time.ToString());
if(inComment->ReplyTo != NULL)
{
// IRT
dictionaryContext->WriteKey("IRT");
dictionaryContext->WriteObjectReferenceValue(repliedTo);
// RT (we're doing always "reply" at this point, being a reply to comment
dictionaryContext->WriteKey("RT");
dictionaryContext->WriteNameValue("R");
}
// Open (we'll have them all closed to begin with)
dictionaryContext->WriteKey("Open");
dictionaryContext->WriteBooleanValue(false);
// Name
dictionaryContext->WriteKey("Name");
dictionaryContext->WriteNameValue("Comment");
if(objectsContext.EndDictionary(dictionaryContext) != eSuccess)
{
result.first = eFailure;
TRACE_LOG("PDFCommentWriter::WriteCommentsTree, Exception in ending comment dictionary");
break;
}
objectsContext.EndIndirectObject();
mCommentsForNextPage.insert(PDFCommentToObjectIDTypeMap::value_type(inComment,result.second));
result.first = eSuccess;
}while(false);
return result;
}
EStatusCode DescendentFontWriter::WriteFont( ObjectIDType inDecendentObjectID,
const string& inFontName,
FreeTypeFaceWrapper& inFontInfo,
const UIntAndGlyphEncodingInfoVector& inEncodedGlyphs,
ObjectsContext* inObjectsContext,
IDescendentFontWriter* inDescendentFontWriterHelper)
{
EStatusCode status = PDFHummus::eSuccess;
FontDescriptorWriter fontDescriptorWriter;
inObjectsContext->StartNewIndirectObject(inDecendentObjectID);
mFontInfo = &inFontInfo;
mObjectsContext = inObjectsContext;
mCIDSetObjectID = 0;
do
{
DictionaryContext* fontContext = inObjectsContext->StartDictionary();
// Type
fontContext->WriteKey(scType);
fontContext->WriteNameValue(scFont);
// SubType
fontContext->WriteKey(scSubtype);
inDescendentFontWriterHelper->WriteSubTypeValue(fontContext);
// BaseFont
fontContext->WriteKey(scBaseFont);
fontContext->WriteNameValue(inFontName);
WriteWidths(inEncodedGlyphs,fontContext);
// CIDSystemInfo
fontContext->WriteKey(scCIDSystemInfo);
ObjectIDType cidSystemInfoObjectID = mObjectsContext->GetInDirectObjectsRegistry().AllocateNewObjectID();
fontContext->WriteObjectReferenceValue(cidSystemInfoObjectID);
// FontDescriptor
fontContext->WriteKey(scFontDescriptor);
ObjectIDType fontDescriptorObjectID = mObjectsContext->GetInDirectObjectsRegistry().AllocateNewObjectID();
fontContext->WriteObjectReferenceValue(fontDescriptorObjectID);
// free dictionary end writing
inDescendentFontWriterHelper->WriteAdditionalKeys(fontContext);
status = inObjectsContext->EndDictionary(fontContext);
if(status != PDFHummus::eSuccess)
{
TRACE_LOG("CFFANSIFontWriter::WriteFont, unexpected failure. Failed to end dictionary in font write.");
break;
}
inObjectsContext->EndIndirectObject();
WriteCIDSystemInfo(cidSystemInfoObjectID);
mWriterHelper = inDescendentFontWriterHelper; // save the helper pointer, to write the font program reference in the descriptor
fontDescriptorWriter.WriteFontDescriptor(fontDescriptorObjectID,inFontName,&inFontInfo,inEncodedGlyphs,inObjectsContext,this);
if(mCIDSetObjectID) // set by descriptor writer callback
WriteCIDSet(inEncodedGlyphs);
}while(false);
return status;
}
EStatusCode CIDFontWriter::WriteFont(FreeTypeFaceWrapper& inFontInfo,
WrittenFontRepresentation* inFontOccurrence,
ObjectsContext* inObjectsContext,
IDescendentFontWriter* inDescendentFontWriter)
{
EStatusCode status = PDFHummus::eSuccess;
inObjectsContext->StartNewIndirectObject(inFontOccurrence->mWrittenObjectID);
mFontInfo = &inFontInfo;
mFontOccurrence = inFontOccurrence;
mObjectsContext = inObjectsContext;
do
{
DictionaryContext* fontContext = inObjectsContext->StartDictionary();
// Type
fontContext->WriteKey(scType);
fontContext->WriteNameValue(scFont);
// SubType
fontContext->WriteKey(scSubtype);
fontContext->WriteNameValue(scType0);
// BaseFont
fontContext->WriteKey(scBaseFont);
const char* postscriptFontName = FT_Get_Postscript_Name(inFontInfo);
if(!postscriptFontName)
{
TRACE_LOG("CIDFontWriter::WriteFont, unexpected failure. no postscript font name for font");
status = PDFHummus::eFailure;
break;
}
std::string subsetFontName = inObjectsContext->GenerateSubsetFontPrefix() + scPlus + postscriptFontName;
fontContext->WriteNameValue(subsetFontName);
WriteEncoding(fontContext);
// DescendantFonts
ObjectIDType descendantFontID = mObjectsContext->GetInDirectObjectsRegistry().AllocateNewObjectID();
fontContext->WriteKey(scDescendantFonts);
mObjectsContext->StartArray();
mObjectsContext->WriteNewIndirectObjectReference(descendantFontID);
mObjectsContext->EndArray(eTokenSeparatorEndLine);
CalculateCharacterEncodingArray(); // put the charachter in the order of encoding, for the ToUnicode map
// ToUnicode
fontContext->WriteKey(scToUnicode);
ObjectIDType toUnicodeMapObjectID = mObjectsContext->GetInDirectObjectsRegistry().AllocateNewObjectID();
fontContext->WriteNewObjectReferenceValue(toUnicodeMapObjectID);
status = inObjectsContext->EndDictionary(fontContext);
if(status != PDFHummus::eSuccess)
{
TRACE_LOG("CIDFontWriter::WriteFont, unexpected failure. Failed to end dictionary in font write.");
break;
}
inObjectsContext->EndIndirectObject();
WriteToUnicodeMap(toUnicodeMapObjectID);
// Write the descendant font
status = inDescendentFontWriter->WriteFont(descendantFontID,subsetFontName,*mFontInfo,mCharactersVector,mObjectsContext);
} while(false);
return status;
}
