/usr/share/pyshared/Eikazo/postprocessing/Magick.py is in eikazo 0.5.2-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | """
Copyright (c) Abel Deuring 2006 <adeuring@gmx.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
More an example than a really useful plugin: Invoke ImageMagick's
convert program with a small selection of the options of this program
"""
import subprocess
import gtk, gobject
from Eikazo.SaneError import SaneError
from Eikazo import I18n, Config, Plugins
import procinfo
from _ExternalFilter import _ExternalFilter, Infile, Outfile
DEBUG = 1
t = I18n.get_translation('eikazo')
if t:
_ = t.gettext
else:
_ = lambda x: x
N_ = lambda x: x
class MagickOption(Config.ConfigAware):
# way too trivial: this class does not allow to set parameters
# for an option...
def __init__(self, name, text, config):
Config.ConfigAware.__init__(self, config)
self.name = name
self.widget = gtk.CheckButton(text)
self.widget.set_active(False)
self.readConfig()
def get_value(self):
if self.widget.get_active():
return self.name
else:
return ''
def get_widget(self):
return self.widget
def readConfig(self):
val = self.config.getboolean('postprocessing', 'magick'+self.name)
if val != None:
self.widget.set_active(val)
def writeConfig(self):
val = self.widget.get_active()
self.config.set('postprocessing', 'magick'+self.name, str(val))
_options = (('-despeckle', N_('reduce the speckles within an image')),
('-dither', N_('apply Floyd/Steinberg error diffusion to the image')),
('-enhance', N_('apply a digital filter to enhance a noisy image')),
('-equalize', N_('perform histogram equalization to the image')),
('-normalize', N_('transform image to span the full range of color values')),
)
_progname = 'convert'
_found = False
for testpath in ('', '/usr/bin/', '/usr/local/bin/'):
try:
p = subprocess.Popen([testpath + _progname, '-help'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
stdout, stderr = p.communicate()
except OSError, val:
if str(val).find('Errno 2') >= 0:
pass
else:
raise
else:
_progname = testpath + _progname
_found = True
break
if not _found:
_plugin_info = Plugins.Plugin('ImageMagick', '', 'postprocessing',
'Program "convert" not found')
else:
_plugin_info = Plugins.Plugin('ImageMagick', '', 'postprocessing', None)
class MagickFilter(_ExternalFilter):
sortpos = (procinfo.RGB, procinfo.RGB, 10)
name = N_("ImageMagick")
filterdescription = N_("""\
Invoke ImageMagick's convert program to manipulate the scanned image.
For details about the options, please refer to the ImageMagick documentation.
""")
def __init__(self, notify_hub, enabled, config):
_ExternalFilter.__init__(self, notify_hub, enabled, config)
def build_widget(self, config):
self.widget = gtk.Table(3, len(_options) + 1, homogeneous=False)
w = gtk.Label(_(self.filterdescription))
w.set_alignment(0, 0)
self.widget.attach(w, 0, 3, 0, 1, xoptions=gtk.FILL|gtk.EXPAND,
yoptions=gtk.FILL)
w.show()
line = 1
self.options = []
for name, text in _options:
opt = MagickOption(name, text, config)
w = opt.get_widget()
self.options.append(opt)
self.widget.attach(w, 0, 1, line, line+1,
xoptions=gtk.FILL, yoptions=gtk.FILL)
w.set_alignment(0, 0.5)
w.show()
line += 1
def filter(self, job):
img = job.img
args = [_progname]
for opt in self.options:
v = opt.get_value()
if v:
args.append(v)
args.append(Infile('infile.tif'))
args.append(Outfile('outfile.tif'))
res = self.file_out_file_in(args, img, 'TIFF')
job.img = res
def register():
if _found:
return [MagickFilter]
else:
return []
|