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This commit is contained in:
Kovid Goyal 2012-03-31 10:45:51 +05:30
parent 259ee6c6dd
commit 78cb205f1b
1 changed files with 31 additions and 31 deletions
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38
src/calibre/ebooks/pdf/writer.py
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@ -40,14 +40,21 @@ def get_custom_size(opts):
custom_size = None
return custom_size
def get_pdf_printer(opts, for_comic=False):
def get_pdf_printer(opts, for_comic=False, output_file_name=None):
from calibre.gui2 import is_ok_to_use_qt
if not is_ok_to_use_qt():
raise Exception('Not OK to use Qt')
printer = QPrinter(QPrinter.HighResolution)
custom_size = get_custom_size(opts)
if isosx and not for_comic:
# On OSX, the native engine can only produce a single page size
# (usually A4). The Qt engine on the other hand produces image based
# PDFs. If we set a custom page size using QSizeF the native engine
# produces unreadable output, so we just ignore the custom size
# settings.
printer.setPaperSize(paper_size(opts.paper_size))
else:
if opts.output_profile.short_name == 'default' or \
opts.output_profile.width > 9999:
if custom_size is None:
@ -72,6 +79,12 @@ def get_pdf_printer(opts, for_comic=False):
printer.setOrientation(orientation(opts.orientation))
printer.setOutputFormat(QPrinter.PdfFormat)
printer.setFullPage(for_comic)
if output_file_name:
printer.setOutputFileName(output_file_name)
if isosx and not for_comic:
# Ensure we are not generating enormous image based PDFs
printer.setOutputFormat(QPrinter.NativeFormat)
return printer
def get_printer_page_size(opts, for_comic=False):
@ -163,15 +176,7 @@ class PDFWriter(QObject): # {{{
if ok:
item_path = os.path.join(self.tmp_path, '%i.pdf' % len(self.combine_queue))
self.logger.debug('\tRendering item %s as %i.pdf' % (os.path.basename(str(self.view.url().toLocalFile())), len(self.combine_queue)))
printer = get_pdf_printer(self.opts)
printer.setOutputFileName(item_path)
# We have to set the engine to Native on OS X after the call to set
# filename. Setting a filename with .pdf as the extension causes
# Qt to set the format to use Qt's PDF engine even if native was
# previously set on the printer. Qt's PDF engine produces image
# based PDFs on OS X, so we cannot use it.
if isosx:
printer.setOutputFormat(QPrinter.NativeFormat)
printer = get_pdf_printer(self.opts, output_file_name=item_path)
self.view.page().mainFrame().evaluateJavaScript('''
document.body.style.backgroundColor = "white";
@ -193,10 +198,7 @@ class PDFWriter(QObject): # {{{
if self.cover_data is None:
return
item_path = os.path.join(self.tmp_path, 'cover.pdf')
printer = get_pdf_printer(self.opts)
printer.setOutputFileName(item_path)
if isosx:
printer.setOutputFormat(QPrinter.NativeFormat)
printer = get_pdf_printer(self.opts, output_file_name=item_path)
self.combine_queue.insert(0, item_path)
p = QPixmap()
p.loadFromData(self.cover_data)
@ -248,10 +250,8 @@ class ImagePDFWriter(object):
os.remove(f.name)
def render_images(self, outpath, mi, items):
printer = get_pdf_printer(self.opts, for_comic=True)
printer.setOutputFileName(outpath)
if isosx:
printer.setOutputFormat(QPrinter.NativeFormat)
printer = get_pdf_printer(self.opts, for_comic=True,
output_file_name=outpath)
printer.setDocName(mi.title)
printer.setCreator(u'%s [%s]'%(__appname__, __version__))
# Seems to be no way to set author