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Configurable margins on PDF output

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This commit is contained in:
John Schember 2009-03-07 08:44:20 -05:00
parent e7270d2db8
commit 04ea5c974a
1 changed files with 27 additions and 5 deletions
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32
src/calibre/ebooks/pdf/writer.py
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@ -22,8 +22,15 @@ from PyQt4.QtWebKit import QWebView
from pyPdf import PdfFileWriter, PdfFileReader from pyPdf import PdfFileWriter, PdfFileReader
class PDFMargins:
def __init__(self, margin=1):
self.top = margin
self.bottom = margin
self.left = margin
self.right = margin
class PDFWriter(QObject): class PDFWriter(QObject):
def __init__(self): def __init__(self, margins=PDFMargins()):
if QApplication.instance() is None: if QApplication.instance() is None:
QApplication([]) QApplication([])
QObject.__init__(self) QObject.__init__(self)
@ -36,6 +43,7 @@ class PDFWriter(QObject):
self.render_queue = [] self.render_queue = []
self.combine_queue = [] self.combine_queue = []
self.tmp_path = PersistentTemporaryDirectory('_any2pdf_parts') self.tmp_path = PersistentTemporaryDirectory('_any2pdf_parts')
self.margins = margins
def dump(self, oebpath, path): def dump(self, oebpath, path):
self._delete_tmpdir() self._delete_tmpdir()
@ -70,7 +78,7 @@ class PDFWriter(QObject):
self.logger.debug('\tRendering item as %s' % item_path) self.logger.debug('\tRendering item as %s' % item_path)
printer = QPrinter(QPrinter.HighResolution) printer = QPrinter(QPrinter.HighResolution)
printer.setPageMargins(1, 1, 1, 1, QPrinter.Inch) printer.setPageMargins(self.margins.left, self.margins.top, self.margins.right, self.margins.bottom, QPrinter.Inch)
printer.setOutputFormat(QPrinter.PdfFormat) printer.setOutputFormat(QPrinter.PdfFormat)
printer.setOutputFileName(item_path) printer.setOutputFileName(item_path)
self.view.print_(printer) self.view.print_(printer)
@ -106,9 +114,17 @@ def config(defaults=None):
c = StringConfig(defaults, desc) c = StringConfig(defaults, desc)
pdf = c.add_group('PDF', _('PDF options.')) pdf = c.add_group('PDF', _('PDF options.'))
pdf('margin_top', ['--margin_top'], default=1,
help=_('The top margin around the document in inches.'))
pdf('margin_bottom', ['--margin_bottom'], default=1,
help=_('The bottom margin around the document in inches.'))
pdf('margin_left', ['--margin_left'], default=1,
help=_('The left margin around the document in inches.'))
pdf('margin_right', ['--margin_right'], default=1,
help=_('The right margin around the document in inches.'))
return c return c
def option_parser(): def option_parser():
c = config() c = config()
@ -118,7 +134,7 @@ def option_parser():
help=_('Output file. Default is derived from input filename.')) help=_('Output file. Default is derived from input filename.'))
parser.add_option( parser.add_option(
'-v', '--verbose', default=0, action='count', '-v', '--verbose', default=0, action='count',
help=_('Useful for debugging.')) help=_('Useful for debugging.'))
return parser return parser
def oeb2pdf(opts, inpath): def oeb2pdf(opts, inpath):
@ -130,7 +146,13 @@ def oeb2pdf(opts, inpath):
outpath = os.path.basename(inpath) outpath = os.path.basename(inpath)
outpath = os.path.splitext(outpath)[0] + '.pdf' outpath = os.path.splitext(outpath)[0] + '.pdf'
writer = PDFWriter() margins = PDFMargins()
margins.top = opts.margin_top
margins.bottom = opts.margin_bottom
margins.left = opts.margin_left
margins.right = opts.margin_right
writer = PDFWriter(margins)
writer.dump(inpath, outpath) writer.dump(inpath, outpath)
run_plugins_on_postprocess(outpath, 'pdf') run_plugins_on_postprocess(outpath, 'pdf')
logger.log_info(_('Output written to ') + outpath) logger.log_info(_('Output written to ') + outpath)