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https://github.com/kovidgoyal/calibre.git
synced 2025-06-23 15:30:45 -04:00
Initial implementation of PDF cropping tool, pdftrim
This commit is contained in:
Kovid Goyal
commit
e7f2612643
@ -86,7 +86,7 @@ class PRS505(Device):
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deviceclass=cls.__name__,
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vendor_id=hex(cls.VENDOR_ID),
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product_id=hex(cls.PRODUCT_ID),
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bcd=hex(cls.BCD),
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bcd=hex(cls.BCD[0]),
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main_memory=cls.MAIN_MEMORY_VOLUME_LABEL,
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storage_card=cls.STORAGE_CARD_VOLUME_LABEL,
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)
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@ -21,7 +21,7 @@ class Device(_Device):
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VENDOR_ID = 0x0
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PRODUCT_ID = 0x0
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BCD = 0x0
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BCD = None
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VENDOR_NAME = ''
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PRODUCT_NAME = ''
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@ -38,7 +38,6 @@ class Device(_Device):
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<match key="info.category" string="volume">
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<match key="@info.parent:@info.parent:@info.parent:@info.parent:usb.vendor_id" int="%(vendor_id)s">
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<match key="@info.parent:@info.parent:@info.parent:@info.parent:usb.product_id" int="%(product_id)s">
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<match key="@info.parent:@info.parent:@info.parent:@info.parent:usb.device_revision_bcd" int="%(bcd)s">
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<match key="volume.is_partition" bool="false">
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<merge key="volume.label" type="string">%(main_memory)s</merge>
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<merge key="%(app)s.mainvolume" type="string">%(deviceclass)s</merge>
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@ -46,13 +45,11 @@ class Device(_Device):
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</match>
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</match>
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</match>
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</match>
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</device>
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<device>
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<match key="info.category" string="volume">
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<match key="@info.parent:@info.parent:@info.parent:@info.parent:usb.vendor_id" int="%(vendor_id)s">
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<match key="@info.parent:@info.parent:@info.parent:@info.parent:usb.product_id" int="%(product_id)s">
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<match key="@info.parent:@info.parent:@info.parent:@info.parent:usb.device_revision_bcd" int="%(bcd)s">
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<match key="volume.is_partition" bool="true">
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<merge key="volume.label" type="string">%(storage_card)s</merge>
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<merge key="%(app)s.cardvolume" type="string">%(deviceclass)s</merge>
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@ -60,7 +57,6 @@ class Device(_Device):
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</match>
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</match>
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</match>
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</match>
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</device>
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'''
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@ -68,17 +64,22 @@ class Device(_Device):
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self._main_prefix = self._card_prefix = None
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@classmethod
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def get_fdi(cls):
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def get_bcd_less_fdi(cls):
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return cls.FDI_TEMPLATE%dict(
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app=__appname__,
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deviceclass=cls.__name__,
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vendor_id=hex(cls.VENDOR_ID),
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product_id=hex(cls.PRODUCT_ID),
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bcd=hex(cls.BCD),
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main_memory=cls.MAIN_MEMORY_VOLUME_LABEL,
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storage_card=cls.STORAGE_CARD_VOLUME_LABEL,
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)
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@classmethod
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def get_fdi(cls):
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if cls.BCD is None:
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return cls.get_bcd_less_fdi()
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raise NotImplementedError('TODO:')
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def set_progress_reporter(self, report_progress):
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self.report_progress = report_progress
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81
src/calibre/ebooks/pdf/pdftrim.py
Normal file
81
src/calibre/ebooks/pdf/pdftrim.py
Normal file
@ -0,0 +1,81 @@
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from __future__ import with_statement
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__license__ = 'GPL v3'
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__copyright__ = '2009, James Beal, james_@catbus.co.uk'
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__docformat__ = 'restructuredtext en'
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'crop a pdf file'
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import os, sys, re
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from calibre.utils.config import Config, StringConfig
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from pyPdf import PdfFileWriter, PdfFileReader
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def config(defaults=None):
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desc = _('Options to control the transformation of pdf')
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default_crop=10
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if defaults is None:
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c = Config('trimpdf', desc)
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else:
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c = StringConfig(defaults, desc)
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c.add_opt('verbose', ['-v', '--verbose'], default=0, action='count',
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help=_('Be verbose, useful for debugging. Can be specified multiple times for greater verbosity.'))
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c.add_opt('output', ['-o', '--output'],default='cropped.pdf',
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help=_('Path to output file. By default a file is created in the current directory.'))
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c.add_opt('bottom_left_x', [ '-x', '--leftx'], default=default_crop,
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help=_('Number of pixels to crop from the left most x (default is %d) ')%default_crop )
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c.add_opt('bottom_left_y', [ '-y', '--lefty'], default=default_crop,
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help=_('Number of pixels to crop from the left most y (default is %d) ')%default_crop )
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c.add_opt('top_right_x', [ '-v', '--rightx'], default=default_crop,
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help=_('Number of pixels to crop from the right most x (default is %d) ')%default_crop )
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c.add_opt('top_right_y', [ '-w', '--righty'], default=default_crop,
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help=_('Number of pixels to crop from the right most y (default is %d)')%default_crop )
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c.add_opt('bounding', ['-b', '--bounding'],
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help=_('A file generated by ghostscript which allows each page to be individually cropped'))
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return c
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def option_parser():
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c = config()
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return c.option_parser(usage=_('''\
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%prog [options] file.pdf
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Crop a pdf.
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'''))
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def main(args=sys.argv):
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parser = option_parser()
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opts, args = parser.parse_args(args)
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source = os.path.abspath(args[1])
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input_pdf = PdfFileReader(file(source, "rb"))
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if opts.bounding != None:
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try:
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bounding = open( opts.bounding , 'r' )
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bounding_regex= re.compile('%%BoundingBox: (?P<bottom_x>[0-9]+) (?P<bottom_y>[0-9]+) (?P<top_x>[0-9]+) (?P<top_y>[0-9]+)')
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except:
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print 'Error opening %s' % opts.bounding
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return 1
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output_pdf = PdfFileWriter()
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for page_number in range (0, input_pdf.getNumPages() ):
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page = input_pdf.getPage(page_number)
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if opts.bounding != None:
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while True:
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line=bounding.readline()
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match=bounding_regex.search(line)
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if match !=None:
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break
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page.mediaBox.upperRight = (match.group('top_x'),match.group('top_y'))
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page.mediaBox.lowerLeft = (match.group('bottom_x'),match.group('bottom_y'))
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else:
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page.mediaBox.upperRight = (page.bleedBox.getUpperRight_x()-opts.top_right_x,page.bleedBox.getUpperRight_y()-opts.top_right_y)
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page.mediaBox.lowerLeft = (page.bleedBox.getLowerLeft_x()+opts.bottom_left_x,page.bleedBox.getLowerLeft_y()+opts.bottom_left_y)
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output_pdf.addPage(page)
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if opts.bounding != None:
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bounding.close()
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output_file = file(opts.output, "wb")
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output_pdf.write(output_file)
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output_file.close()
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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@ -65,6 +65,7 @@ entry_points = {
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'calibre-fontconfig = calibre.utils.fontconfig:main',
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'calibre-parallel = calibre.parallel:main',
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'calibre-customize = calibre.customize.ui:main',
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'pdftrim = calibre.ebooks.pdf.pdftrim:main' ,
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],
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'gui_scripts' : [
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__appname__+' = calibre.gui2.main:main',
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