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py3: Misc fixes for PDF output

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Kovid Goyal 2019-04-18 06:25:40 +05:30
parent 6be3e3b580
commit 6b794d42ca
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GPG Key ID: 06BC317B515ACE7C
3 changed files with 16 additions and 6 deletions
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9
src/calibre/ebooks/pdf/render/common.py
View File

@ -13,7 +13,7 @@ from datetime import datetime
from calibre.constants import plugins, ispy3
from calibre.utils.logging import default_log
from polyglot.builtins import iteritems, unicode_type
from polyglot.builtins import iteritems, unicode_type, codepoint_to_chr
from polyglot.binary import as_hex_bytes
pdf_float = plugins['speedup'][0].pdf_float
@ -90,8 +90,11 @@ class Name(unicode_type):
raw = self.encode('ascii')
if len(raw) > 126:
raise ValueError('Name too long: %r'%self)
buf = [x if 33 < ord(x) < 126 and x != b'#' else b'#'+hex(ord(x)) for x
in raw]
raw = bytearray(raw)
sharp = ord(b'#')
buf = (
codepoint_to_chr(x).encode('ascii') if 33 < x < 126 and x != sharp else
b'#'+hex(x).encode('ascii') for x in raw)
stream.write(b'/'+b''.join(buf))

10
src/calibre/ebooks/pdf/render/qt_hack.cpp
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@ -12,6 +12,12 @@
#include "private/qtextengine_p.h"
#include "private/qfontengine_p.h"
#if PY_MAJOR_VERSION > 2
#define BYTES_FMT "y#"
#else
#define BYTES_FMT "s#"
#endif
PyObject* get_glyphs(const QPointF &p, const QTextItem &text_item) {
const quint32 *tag = reinterpret_cast<const quint32 *>("name");
QTextItemInt ti = static_cast<const QTextItemInt &>(text_item);
@ -57,14 +63,14 @@ PyObject* get_glyphs(const QPointF &p, const QTextItem &text_item) {
PyTuple_SET_ITEM(indices, i, temp); temp = NULL;
}
const QByteArray table(fe->getSfntTable(qToBigEndian(*tag)));
return Py_BuildValue("s#ffOO", table.constData(), table.size(), size, stretch, points, indices);
return Py_BuildValue(BYTES_FMT "ffOO", table.constData(), table.size(), size, stretch, points, indices);
}
PyObject* get_sfnt_table(const QTextItem &text_item, const char* tag_name) {
QTextItemInt ti = static_cast<const QTextItemInt &>(text_item);
const quint32 *tag = reinterpret_cast<const quint32 *>(tag_name);
const QByteArray table(ti.fontEngine->getSfntTable(qToBigEndian(*tag)));
return Py_BuildValue("s#", table.constData(), table.size());
return Py_BuildValue(BYTES_FMT, table.constData(), table.size());
}
PyObject* get_glyph_map(const QTextItem &text_item) {

3
src/calibre/ebooks/pdf/render/serialize.py
View File

@ -19,6 +19,7 @@ from calibre.ebooks.pdf.render.common import (
from calibre.ebooks.pdf.render.fonts import FontManager
from calibre.ebooks.pdf.render.links import Links
from calibre.utils.date import utcnow
from polyglot.builtins import as_unicode
PDFVER = b'%PDF-1.4' # 1.4 is needed for XMP metadata
@ -520,7 +521,7 @@ class PDFStream(object):
self.objects.pdf_serialize(self.stream)
self.write_line()
startxref = self.objects.write_xref(self.stream)
file_id = String(self.stream.hashobj.hexdigest().decode('ascii'))
file_id = String(as_unicode(self.stream.hashobj.hexdigest()))
self.write_line('trailer')
trailer = Dictionary({'Root':self.catalog, 'Size':len(self.objects)+1,
'ID':Array([file_id, file_id]), 'Info':inforef})