def addObjects(self, doc):
"""Add whatever needed to PDF file, and return a FontDescriptor reference"""
from reportlab.pdfbase import pdfdoc
fontFile = pdfdoc.PDFStream()
fontFile.content = self._binaryData
#fontFile.dictionary['Length'] = self._length
fontFile.dictionary['Length1'] = self._length1
fontFile.dictionary['Length2'] = self._length2
fontFile.dictionary['Length3'] = self._length3
#fontFile.filters = [pdfdoc.PDFZCompress]
fontFileRef = doc.Reference(fontFile, 'fontFile:' + self.pfbFileName)
fontDescriptor = pdfdoc.PDFDictionary({
'Type': '/FontDescriptor',
'Ascent':self.ascent,
'CapHeight':self.capHeight,
'Descent':self.descent,
'Flags': 34,
'FontBBox':pdfdoc.PDFArray(self.bbox),
'FontName':pdfdoc.PDFName(self.name),
'ItalicAngle':self.italicAngle,
'StemV':self.stemV,
'XHeight':self.xHeight,
'FontFile': fontFileRef,
})
fontDescriptorRef = doc.Reference(fontDescriptor, 'fontDescriptor:' + self.name)
return fontDescriptorRef
def makePDFObject(self):
"Returns a PDF Object representing self"
# avoid circular imports - this cannot go at module level
from reportlab.pdfbase import pdfdoc
D = {}
baseEncodingName = self.baseEncodingName
baseEnc = getEncoding(baseEncodingName)
differences = self.getDifferences(baseEnc) #[None] * 256)
# if no differences, we just need the base name
if differences == []:
return pdfdoc.PDFName(baseEncodingName)
else:
#make up a dictionary describing the new encoding
diffArray = []
for range in differences:
diffArray.append(range[0]) # numbers go 'as is'
for glyphName in range[1:]:
if glyphName is not None:
# there is no way to 'unset' a character in the base font.
diffArray.append('/' + glyphName)
#print 'diffArray = %s' % diffArray
D["Differences"] = pdfdoc.PDFArray(diffArray)
if baseEncodingName in ('MacRomanEncoding','MacExpertEncoding','WinAnsiEncoding'):
#https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/PDF32000_2008.pdf page 263
D["BaseEncoding"] = pdfdoc.PDFName(baseEncodingName)
D["Type"] = pdfdoc.PDFName("Encoding")
PD = pdfdoc.PDFDictionary(D)
return PD
def makePDFObject(self):
"Returns a PDF Object representing self"
# avoid circular imports - this cannot go at module level
from reportlab.pdfbase import pdfdoc
D = {}
baseEnc = getEncoding(self.baseEncodingName)
differences = self.getDifferences(baseEnc) #[None] * 256)
# if no differences, we just need the base name
if differences == []:
return pdfdoc.PDFName(self.baseEncodingName)
else:
#make up a dictionary describing the new encoding
diffArray = []
for range in differences:
diffArray.append(range[0]) # numbers go 'as is'
for glyphName in range[1:]:
if glyphName is not None:
# there is no way to 'unset' a character in the base font.
diffArray.append('/' + glyphName)
#print 'diffArray = %s' % diffArray
D["Differences"] = pdfdoc.PDFArray(diffArray)
D["BaseEncoding"] = pdfdoc.PDFName(self.baseEncodingName)
D["Type"] = pdfdoc.PDFName("Encoding")
PD = pdfdoc.PDFDictionary(D)
return PD
def addSubsetObjects(self, doc, fontname, subset):
"""Generate a TrueType font subset and add it to the PDF document.
Returns a PDFReference to the new FontDescriptor object."""
fontFile = pdfdoc.PDFStream()
fontFile.content = self.makeSubset(subset)
fontFile.dictionary['Length1'] = len(fontFile.content)
if doc.compression:
fontFile.filters = [pdfdoc.PDFZCompress]
fontFileRef = doc.Reference(fontFile, 'fontFile:%s(%s)' % (self.filename, fontname))
flags = self.flags & ~ FF_NONSYMBOLIC
flags = flags | FF_SYMBOLIC
fontDescriptor = pdfdoc.PDFDictionary({
'Type': '/FontDescriptor',
'Ascent': self.ascent,
'CapHeight': self.capHeight,
'Descent': self.descent,
'Flags': flags,
'FontBBox': pdfdoc.PDFArray(self.bbox),
'FontName': pdfdoc.PDFName(fontname),
'ItalicAngle': self.italicAngle,
'StemV': self.stemV,
'FontFile2': fontFileRef,
})
return doc.Reference(fontDescriptor, 'fontDescriptor:' + fontname)
def format(self, document):
"""Allow it to be used within pdfdoc framework. This only
defines how it is stored, not how it is drawn later."""
dict = pdfdoc.PDFDictionary()
dict['Type'] = '/XObject'
dict['Subtype'] = '/Image'
dict['Width'] = self.width
dict['Height'] = self.height
dict['BitsPerComponent'] = 8
dict['ColorSpace'] = pdfdoc.PDFName(self.colorSpace)
content = string.join(self.imageData[3:-1], '\n') + '\n'
strm = pdfdoc.PDFStream(dictionary=dict, content=content)
return strm.format(document)
def structToPDF(structure):
"Converts deeply nested structure to PDFdoc dictionary/array objects"
if isinstance(structure, dict):
newDict = {}
for k, v in structure.items():
newDict[k] = structToPDF(v)
return pdfdoc.PDFDictionary(newDict)
elif isSeq(structure):
newList = []
for elem in structure:
newList.append(structToPDF(elem))
return pdfdoc.PDFArray(newList)
else:
return structure
def testPDFDictionary(self):
self.assertEqual(pdfdoc.PDFDictionary(dict(A=pdfdoc.PDFArray([1,2,3,4]))).format(self.doc),b'<<\n/A [ 1 2 3 4 ]\n>>')
