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;
}
void ObjectsContext::EndPDFStream(PDFStream* inStream)
{
// finalize the stream write to end stream context and calculate length
inStream->FinalizeStreamWrite();
if(inStream->GetExtentObjectID() == 0)
{
DictionaryContext* streamDictionaryContext = inStream->GetStreamDictionaryForDirectExtentStream();
// Length (write as a direct object)
streamDictionaryContext->WriteKey(scLength);
streamDictionaryContext->WriteIntegerValue(inStream->GetLength());
EndDictionary(streamDictionaryContext);
// Write Stream Content
WriteKeyword(scStream);
inStream->FlushStreamContentForDirectExtentStream();
EndLine();
WriteKeyword(scEndStream);
EndIndirectObject();
}
else
{
WritePDFStreamEndWithoutExtent();
EndIndirectObject();
WritePDFStreamExtent(inStream);
}
}
EStatusCode TrueTypeEmbeddedFontWriter::WriteEmbeddedFont(
FreeTypeFaceWrapper& inFontInfo,
const UIntVector& inSubsetGlyphIDs,
ObjectsContext* inObjectsContext,
ObjectIDType& outEmbeddedFontObjectID)
{
MyStringBuf rawFontProgram;
bool notEmbedded;
EStatusCode status;
do
{
status = CreateTrueTypeSubset(inFontInfo,inSubsetGlyphIDs,notEmbedded,rawFontProgram);
if(status != PDFHummus::eSuccess)
{
TRACE_LOG("TrueTypeEmbeddedFontWriter::WriteEmbeddedFont, failed to write embedded font program");
break;
}
if(notEmbedded)
{
// can't embed. mark succesful, and go back empty
outEmbeddedFontObjectID = 0;
TRACE_LOG("TrueTypeEmbeddedFontWriter::WriteEmbeddedFont, font may not be embedded. so not embedding");
return PDFHummus::eSuccess;
}
outEmbeddedFontObjectID = inObjectsContext->StartNewIndirectObject();
DictionaryContext* fontProgramDictionaryContext = inObjectsContext->StartDictionary();
// Length1 (decompressed true type program length)
fontProgramDictionaryContext->WriteKey(scLength1);
fontProgramDictionaryContext->WriteIntegerValue(rawFontProgram.GetCurrentWritePosition());
rawFontProgram.pubseekoff(0,std::ios_base::beg);
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("TrueTypeEmbeddedFontWriter::WriteEmbeddedFont, failed to copy font program into pdf stream");
break;
}
inObjectsContext->EndPDFStream(pdfStream);
delete pdfStream;
}while(false);
return status;
}
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;
}
void DescendentFontWriter::WriteCIDSystemInfo(ObjectIDType inCIDSystemInfoObjectID)
{
FT_Bool isCID;
const char* registry;
const char* ordering;
FT_Int supplement;
if(FT_Get_CID_Is_Internally_CID_Keyed(*mFontInfo,&isCID) != 0)
isCID = false;
if(isCID && FT_Get_CID_Registry_Ordering_Supplement(*mFontInfo,®istry,&ordering,&supplement) != 0)
isCID = false;
if(!isCID)
{
registry = scAdobe;
ordering = scIdentity;
supplement = 0;
}
mObjectsContext->StartNewIndirectObject(inCIDSystemInfoObjectID);
DictionaryContext* systemInfoContext = mObjectsContext->StartDictionary();
// Registry
systemInfoContext->WriteKey(scRegistry);
systemInfoContext->WriteLiteralStringValue(registry);
// Ordering
systemInfoContext->WriteKey(scOrdering);
systemInfoContext->WriteLiteralStringValue(ordering);
// Supplement
systemInfoContext->WriteKey(scSupplement);
systemInfoContext->WriteIntegerValue(supplement);
mObjectsContext->EndDictionary(systemInfoContext);
mObjectsContext->EndIndirectObject();
}
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;
}
