def test_write_embedded_string_objstream():
ffile = ttLib.TTFont(NOTO_SERIF_JP)
ga = GlyphAccumulator(ffile)
cid_hx, _ = ga.feed_string('テスト')
assert cid_hx == '0637062a0639'
w = IncrementalPdfFileWriter(BytesIO(MINIMAL_XREF))
obj_stream = w.prepare_object_stream()
font_ref = ga.embed_subset(w, obj_stream=obj_stream)
stream = generic.StreamObject(
stream_data=f'BT /FEmb 18 Tf 0 100 Td <{cid_hx}> Tj ET'.encode(
'ascii'))
stream_ref = w.add_object(stream)
w.add_stream_to_page(0,
stream_ref,
resources=generic.DictionaryObject({
pdf_name('/Font'):
generic.DictionaryObject(
{pdf_name('/FEmb'): font_ref})
}))
out = BytesIO()
w.write(out)
out.seek(0)
r = PdfFileReader(out)
page_obj = r.root['/Pages']['/Kids'][0].get_object()
conts = page_obj['/Contents']
assert len(conts) == 2
assert stream_ref.idnum in (c.idnum for c in conts)
assert font_ref.idnum in r.xrefs.in_obj_stream
out.seek(0)
# attempt to grab the font from the object stream
font_ref.pdf = r
font = font_ref.get_object()
assert font['/Type'] == pdf_name('/Font')
def test_write_embedded_string_objstream():
w = IncrementalPdfFileWriter(BytesIO(MINIMAL_XREF))
obj_stream = w.prepare_object_stream()
with open(NOTO_SERIF_JP, 'rb') as ffile:
ga = GlyphAccumulator(w, ffile, font_size=10, obj_stream=obj_stream)
# shape the string, just to register the glyphs as used
ga.shape('テスト')
# ... but we're not going to use the result
# hardcoded CIDs
cid_hx = '0637062a0639'
font_ref = ga.as_resource()
stream = generic.StreamObject(
stream_data=f'BT /FEmb 18 Tf 0 100 Td <{cid_hx}> Tj ET'.encode(
'ascii'))
stream_ref = w.add_object(stream)
w.add_stream_to_page(0,
stream_ref,
resources=generic.DictionaryObject({
pdf_name('/Font'):
generic.DictionaryObject(
{pdf_name('/FEmb'): font_ref})
}))
out = BytesIO()
w.write(out)
out.seek(0)
r = PdfFileReader(out)
page_obj = r.root['/Pages']['/Kids'][0].get_object()
conts = page_obj['/Contents']
assert len(conts) == 2
assert stream_ref.idnum in (c.idnum for c in conts)
xref_sections = r.xrefs._xref_sections
last = xref_sections[len(xref_sections) - 1]
assert font_ref.idnum in last.xref_data.xrefs_in_objstm
out.seek(0)
# attempt to grab the font from the object stream
font_ref.pdf = r
font = font_ref.get_object()
assert font['/Type'] == pdf_name('/Font')
