def testPDFIndirectObject(self):
doc = self.doc
doc.Reference(pdfdoc.PDFArray([0, 1, 2, 3]),
pdfdoc.PDFName('abracadabra')[1:])
self.assertEquals(
pdfdoc.PDFIndirectObject('abracadabra',
pdfdoc.PDFArray([3, 2, 1,
0])).format(doc),
b'2 0 obj\r\n[ 3 2 1 0 ]\r\nendobj\r\n')
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 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 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 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 addObjects(self, doc):
"""Makes one or more PDF objects to be added to the document. The
caller supplies the internal name to be used (typically F1, F2, ... in
sequence).
This method creates a number of Font and FontDescriptor objects. Every
FontDescriptor is a (no more than) 256 character subset of the original
TrueType font."""
try:
state = self.state[doc]
except KeyError:
state = self.state[doc] = TTFont.State(self._asciiReadable)
state.frozen = 1
for n, subset in enumerate(state.subsets):
internalName = self.getSubsetInternalName(n, doc)[1:]
baseFontName = (b''.join(
(SUBSETN(n), b'+', self.face.name,
self.face.subfontNameX))).decode('pdfdoc')
pdfFont = pdfdoc.PDFTrueTypeFont()
pdfFont.__Comment__ = 'Font %s subset %d' % (self.fontName, n)
pdfFont.Name = internalName
pdfFont.BaseFont = baseFontName
pdfFont.FirstChar = 0
pdfFont.LastChar = len(subset) - 1
widths = list(map(self.face.getCharWidth, subset))
pdfFont.Widths = pdfdoc.PDFArray(widths)
cmapStream = pdfdoc.PDFStream()
cmapStream.content = makeToUnicodeCMap(baseFontName, subset)
if doc.compression:
cmapStream.filters = [pdfdoc.PDFZCompress]
pdfFont.ToUnicode = doc.Reference(cmapStream,
'toUnicodeCMap:' + baseFontName)
pdfFont.FontDescriptor = self.face.addSubsetObjects(
doc, baseFontName, subset)
# link it in
ref = doc.Reference(pdfFont, internalName)
fontDict = doc.idToObject['BasicFonts'].dict
fontDict[internalName] = pdfFont
del self.state[doc]
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>>')
def testPDFArray(self):
self.assertEqual(pdfdoc.PDFArray([1,2,3,4]).format(self.doc),b'[ 1 2 3 4 ]')
