/usr/share/pyshared/Eikazo/output/SaneScanToFile.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.
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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.
Write scan data to a file.
"""
import sys, os, time, traceback
import gtk
from Eikazo.SaneError import SaneError
from Eikazo import I18n, Config, Processor, Plugins
import outputinfo
DEBUG = os.getenv("EIKAZO_DEBUG")
t = I18n.get_translation('eikazo')
if t:
_ = t.gettext
else:
_ = lambda x: x
N_ = lambda x: x
Plugins.Plugin('Save to File', '', 'output', None)
class FormatOptions:
""" base class for file formats. It provides:
- a user interface allowing to set the options
- a format name to identify the format.
- a file name pattern for the format. Used for gtk.FileFilter
- a method that returns a dict with the current settings.
Its result is intended to be used in calls of PIL.Image.save()
"""
def __init__(self):
gtk.HBox.__init__(self)
name = None
pattern = None
def save_options(self, resolution, y_resolution):
""" the options to be used in PIL.Image.save """
raise SaneError("FormatOptions.save_options must be overridden")
def save(self, img, filename, xres, yres):
""" default implementation using PIL's file saving mechanism
"""
# resolution and y_resolution are set by class SaneScanQueue.Scanner
params = self.save_options(xres, yres)
img.save(filename, self.name, **params)
class TiffFormatOptions(FormatOptions, gtk.HBox, Config.ConfigAware):
""" PIL.TiffImagePlugin supports the following parameters:
description
resolution
x resolution
y resolution
resolution unit (inch or cm)
software
date time
artist
copyright
"""
name = "TIFF"
pattern = "*.[tT][iI][fF]"
def __init__(self, config):
FormatOptions.__init__(self)
gtk.HBox.__init__(self)
Config.ConfigAware.__init__(self, config)
self.description = ""
self.copyright = ""
self.desclabel = gtk.Label(_("Description"))
self.pack_start(self.desclabel, expand=False)
self.desclabel.show()
self.descwidget = gtk.Entry()
self.pack_start(self.descwidget, expand=True, fill=True)
self.descwidget.show()
self.descwidget.connect("focus-out-event", self.text_changed,
"description")
self.copylabel = gtk.Label(_("Copyright"))
self.pack_start(self.copylabel, expand=False)
self.copylabel.show()
self.copywidget = gtk.Entry()
self.pack_start(self.copywidget, expand=True, fill=True)
self.copywidget.show()
self.copywidget.connect("focus-out-event", self.text_changed,
"copyright")
self.readConfig()
def text_changed(self, w, ev, field):
setattr(self, field, w.get_text())
def save_options(self, resolution, y_resolution):
res = {'resolution unit': 'inch',
'description': self.description,
'copyright': self.copyright,
}
if y_resolution == None:
y_resolution = resolution
res['resolution'] = resolution
res['y resolution'] = y_resolution
return res
def readConfig(self):
val = self.config.get('output', 'file-tiff-description')
if val:
self.description = val
self.descwidget.set_text(val)
val = self.config.get('output', 'file-tiff-copyright')
if val:
self.copyright = val
self.copywidget.set_text(val)
def writeConfig(self):
self.config.set('output', 'file-tiff-description', self.description)
self.config.set('output', 'file-tiff-copyright', self.copyright)
class JpegFormatOptions(FormatOptions, gtk.HBox, Config.ConfigAware):
""" PIL.JpegImagePlugin supports the following parameters:
dpi (2-tuple for x and y direction)
quality
progressive
smooth
optimize
streamtype
"""
name = "JPEG"
pattern = "*.[jJ][pP][gG]"
PILBUG = 1
def __init__(self, config):
FormatOptions.__init__(self)
gtk.HBox.__init__(self)
Config.ConfigAware.__init__(self, config)
self.quality = 75
self.progressive = False
self.optimize = True
self.qualitylabel = gtk.Label(_("quality"))
self.pack_start(self.qualitylabel, expand=False)
self.qualitylabel.show()
self.qualitywidget = gtk.SpinButton(digits=3)
self.qualitywidget.set_range(0, 100)
self.qualitywidget.set_increments(1,10)
self.qualitywidget.set_value(self.quality)
self.qualitywidget.set_numeric(True)
self.pack_start(self.qualitywidget, expand=False)
self.qualitywidget.show()
self.qualitywidget.connect("value-changed", self.set_quality)
# using the optimize and progressive options triggers a bug
# in PIL's JPegImage plugin
if not self.PILBUG:
self.progressivewidget = gtk.CheckButton("progressive")
self.progressivewidget.set_active(self.progressive)
self.pack_start(self.progressivewidget, expand=False)
self.progressivewidget.show()
self.progressivewidget.connect("toggled", self.set_progressive)
self.optimizewidget = gtk.CheckButton("optimize")
self.optimizewidget.set_active(self.optimize)
self.pack_start(self.optimizewidget, expand=False)
self.optimizewidget.show()
self.optimizewidget.connect("toggled", self.set_optimize)
self.readConfig()
def set_quality(self, w):
self.quality = w.get_value()
def set_progressive(self, w):
self.progressive = w.get_active()
def set_optimize(self, w):
self.optimize = w.get_active()
def save_options(self, resolution, y_resolution):
if y_resolution == None:
y_resolution = resolution
# other supported keys: optimize, smooth, streamtype, progressive
res = {'dpi': [resolution, y_resolution],
'quality': self.quality,
}
return res
def readConfig(self):
val = self.config.getfloat('output', 'file-jpeg-quality')
if val:
self.quality = val
self.qualitywidget.set_value(val)
if not self.PILBUG:
val = self.config.getboolean('output', 'file-jpeg-progressive')
if val != None:
self.progressive = val
self.progressivewidget.set_active(val)
val = self.config.getboolean('output', 'file-jpeg-optimize')
if val != None:
self.optimize = val
self.optimizewidget.set_active(val)
def writeConfig(self):
val = self.config.set('output', 'file-jpeg-quality',
str(self.quality))
if not self.PILBUG:
val = self.config.set('output', 'file-jpeg-progressive',
str(self.progressive))
val = self.config.eet('output', 'file-jpeg-optimize',
str(self.optimize))
_fileformats = [TiffFormatOptions, JpegFormatOptions]
class ScanJobFileWriter(Processor.SaneThreadingQueueingProcessor):
def __init__(self, paramsadm, input_producer, notify_hub, queue_length):
""" input_producer, queue_length: see base classes
paramsadm: instance of a class which can return
"""
Processor.SaneThreadingQueueingProcessor.__init__(self,
input_producer, notify_hub, queue_length)
self.errorjobs = []
self.paramsadm = paramsadm
self.start()
self.status = 0
def append(self, job):
Processor.SaneThreadingQueueingProcessor.append(self, job)
job.status['write'] = _('waiting to be written')
self.notify('status changed', job)
def run(self):
while not self.abort:
if len(self.queue) and not self.errorjobs:
self.queuelock.acquire()
job = self.queue.pop(0)
self.status = 1 # writing
self.queuelock.release()
job.set_active(True)
try:
job.status['write'] = _('writing')
self.notify('status changed', job)
self.paramsadm.save(job)
self.notify('removed', job)
except:
job.error = sys.exc_info()
job.status['write'] = _('write error')
if DEBUG:
print str(job.error[0]), str(job.error[1])
traceback.print_tb(job.error[2])
self.notify('status changed', job)
self.errorjobs.append(job)
job.set_active(False)
self.status = 0 # idle
if DEBUG:
print "writing finished", job.id
else:
time.sleep(0.1)
def numjobs(self, cascade):
self.queuelock.acquire()
res = len(self.queue) + len(self.errorjobs)
if self.status != 0:
res += 1
self.queuelock.release()
return res
def retry_job(self, job):
res = False
self.queuelock.acquire()
for i in xrange(len(self.errorjobs)):
if job == self.errorjobs[i]:
self.errorjobs.pop(i)
# scan jobs shouldprocessed in the sequence of their
# job ids
self.queue.append(job)
self.queue.sort(lambda x,y: cmp(x.id, y.id))
res = True
break
self.queuelock.release()
return res
class ScanToFile(outputinfo.OutputProvider):
name = N_("Save to File")
connectlabel = N_("Enable Save to File")
def __init__(self, notify_hub, config):
outputinfo.OutputProvider.__init__(self, notify_hub, config)
self.filecounter = 0
self.incr = 1
self.set_filename("%04i.tif")
self.build_widget()
self.readConfig()
# start the file output "unconnected"
self.processor = ScanJobFileWriter(self, self.processor_input, notify_hub, 2)
self.lastfiles = []
def build_widget(self):
self.widget = gtk.VBox()
self.hboxfname = gtk.HBox()
self.widget.pack_start(self.hboxfname, expand=False)
self.hboxfname.show()
self.fnlabel = gtk.Label(_("file name:"))
self.hboxfname.pack_start(self.fnlabel, expand=False)
self.fnlabel.show()
self.fnfield = gtk.Entry()
self.hboxfname.pack_start(self.fnfield, expand=True, fill=True)
self.fnfield.show()
self.fnfield.set_text(self.filename)
self.fnfield.connect("focus-out-event", self.fnchanged)
self.fnbrowse = gtk.Button(_("Browse"))
self.hboxfname.pack_start(self.fnbrowse, expand=False)
self.fnbrowse.show()
self.fnbrowse.connect("clicked", self.fnbrowse_click)
self.hboxfnum = gtk.HBox()
self.widget.pack_start(self.hboxfnum, expand=False)
self.hboxfnum.show()
self.fclabel = gtk.Label(_("file counter"))
self.hboxfnum.pack_start(self.fclabel, expand=False)
self.fclabel.show()
self.fcfield = gtk.SpinButton(digits=0)
self.hboxfnum.pack_start(self.fcfield, expand=True, fill=False)
self.fcfield.show()
adj = gtk.Adjustment(self.filecounter, -2**31, 2**31-1, 1, 10, 10)
self.fcfield.configure(adj, 1, 0)
self.fcfield.set_numeric(True)
self.fcfield.set_increments(1,10)
self.fcfield.connect("value-changed", self.cb_filecounter)
self.fcinclabel = gtk.Label(_("file counter increment"))
self.hboxfnum.pack_start(self.fcinclabel, expand=False)
self.fcinclabel.show()
self.fcincfield = gtk.SpinButton(digits=0)
self.hboxfnum.pack_start(self.fcincfield, expand=True, fill=False)
self.fcincfield.show()
adj = gtk.Adjustment(self.incr, -2**31, 2**31-1, 1, 10, 10)
self.fcincfield.configure(adj, 1, 0)
self.fcincfield.set_numeric(True)
self.fcincfield.set_increments(1,1)
self.fcincfield.connect("value-changed", self.cb_incr)
#self.fmtlabel = gtk.Label(_("file format"))
#self.hboxfnum.pack_end(self.fmtlabel, expand=False)
#self.fmtlabel.show()
self.filefilters = []
for name, pattern in [(x.name, x.pattern) for x in _fileformats]:
filter = gtk.FileFilter()
filter.set_name(name)
filter.add_pattern(pattern)
self.filefilters.append(filter)
self.formatwidgets = {}
for klass in _fileformats:
inst = klass(self.config)
name = inst.name
self.formatwidgets[name] = inst
self.widget.pack_start(inst, expand=False, fill=False)
# avoid an exception in the following method
self.format = fileformat = "TIFF"
self.formatwidgets[fileformat].show()
self.set_fileformat(fileformat)
self.fmt = gtk.combo_box_new_text()
i = 0
self.fmt.values = [x.name for x in _fileformats]
for name in self.fmt.values:
self.fmt.append_text(name)
if name == fileformat:
active = i
i += 1
self.fmt.set_active(active)
self.hboxfnum.pack_end(self.fmt, expand=False)
self.fmt.show()
self.fmt.connect("changed", self.fmt_changed)
self.fmtlabel = gtk.Label(_("file format"))
self.hboxfnum.pack_end(self.fmtlabel, expand=False)
self.fmtlabel.show()
self.saveInfoStore = gtk.ListStore(str, str, str, str)
self.saveInfoFrame = gtk.Frame(_('last saved files'))
self.widget.pack_start(self.saveInfoFrame, expand=True, fill=True)
self.saveInfoFrame.show()
self.saveViewTbl = gtk.Table(1, 2)
self.saveInfoFrame.add(self.saveViewTbl)
self.saveViewTbl.show()
self.saveView = gtk.TreeView(self.saveInfoStore)
self.saveViewTbl.attach(self.saveView, 0, 1, 0, 1,
gtk.EXPAND|gtk.FILL, gtk.EXPAND|gtk.FILL)
self.saveView.show()
scrollbar = gtk.VScrollbar(self.saveView.get_vadjustment())
self.saveViewTbl.attach(scrollbar, 1, 2, 0, 1, gtk.FILL, gtk.FILL)
scrollbar.show()
colno = 0
for title in (_('mode'), _('res'), _('size'), _('file name')):
col = gtk.TreeViewColumn(title)
cell = gtk.CellRendererText()
col.pack_start(cell, True)
col.add_attribute(cell, 'text', colno)
colno += 1
self.saveView.append_column(col)
self.readConfig()
def set_filename(self, filename):
""" returns 0, if the filename is "useful", or an error
message, if integers could
"""
self.filename = filename
self.use_number = 0
if filename.find('%') >= 0:
try:
filename % 1
self.use_number = 1
return 0
except:
return _("can't insert a file number into the file name")
return 0
def filename_warning(self, msg):
dlg = gtk.MessageDialog(None,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_WARNING,
gtk.BUTTONS_OK,
msg)
dlg.connect("response", lambda w, resp: w.destroy())
dlg.show()
def fnchanged(self, w, event):
test = self.set_filename(w.get_text())
if test:
self.filename_warning(test)
def _fnbrowse_click(self, w, strict):
dlg = gtk.FileChooserDialog(_("Select filename..."), None,
gtk.FILE_CHOOSER_ACTION_SAVE,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN, gtk.RESPONSE_OK))
dlg.set_default_response(gtk.RESPONSE_OK)
filter = gtk.FileFilter()
filter.set_name(_("All files"))
filter.add_pattern("*")
dlg.add_filter(filter)
for filter in self.filefilters:
dlg.add_filter(filter)
if filter.get_name() == self.format:
dlg.set_filter(filter)
dlg.hide()
path, fname = os.path.split(self.get_filename())
dlg.set_current_folder(path)
dlg.set_current_name(fname)
if dlg.run() == gtk.RESPONSE_OK:
filename = dlg.get_filename()
test = self.set_filename(filename)
if test:
self.filename_warning(test)
if not strict or not test:
self.fnfield.set_text(dlg.get_filename())
filter = dlg.get_filter()
if filter:
name = filter.get_name()
for i in range(len(self.filefilters)):
if name == self.filefilters[i].get_name():
# sets also self.format via the the canged callback
self.fmt.set_active(i)
dlg.destroy()
def fnbrowse_click(self, w):
self._fnbrowse_click(w, False)
def fmt_changed(self, w):
i = self.fmt.get_active()
self.set_fileformat(_fileformats[i].name)
def cb_filecounter(self, w):
self.filecounter = int(w.get_value())
def cb_incr(self, w):
self.incr = int(w.get_value())
def get_filename(self):
return self.filename
def set_fileformat(self, format):
if not format in [x.name for x in _fileformats]:
raise SaneError("unknown fileformat: %s" % format)
if format != self.format:
self.formatwidgets[self.format].hide()
self.format = format
self.formatwidgets[format].show()
def get_fileformat(self):
return self.format
def set_filecounter(self, filecounter):
self.filecounter = filecounter
self.fcfield.set_value(filecounter)
def get_filecounter(self):
return self.filecounter
def set_incr(self, incr):
self.incr = incr
self.fcincfield.set_value(incr)
def get_jobdata(self, job):
if self.use_number:
res = self.filename % self.filecounter
self.filecounter += self.incr
self.fcfield.set_value(self.filecounter)
job.filename = res
return res
job.filename = self.filename
return self.filename
def save(self, job):
job.filename = fname = self.get_jobdata(job)
format = self.formatwidgets[self.get_fileformat()]
format.save(job.img, fname, job.resolution, job.y_resolution)
if job.resolution == job.y_resolution:
res = str(job.resolution)
else:
res = '%i x %i' % (job.resolution, job.y_resolution)
sw = job.scanwindow
size = '%.1f x %.1f' % (sw[1]-sw[0], sw[3]-sw[2])
gtk.gdk.threads_enter()
if len(self.lastfiles) > 20:
iter = self.lastfiles.pop(0)
self.saveInfoStore.remove(iter)
self.lastfiles.append(
self.saveInfoStore.append((job.img.mode, res, size, fname)))
gtk.gdk.threads_leave()
def get_connect_widget(self):
return self.connect_widget
def readConfig(self):
outputinfo.OutputProvider.readConfig(self)
val = self.config.get('output', 'file-filename')
if val != None:
self.filename = val
self.fnfield.set_text(val)
val = self.config.getint('output', 'file-filecounter')
if val != None:
self.filecounter = val
self.fcfield.set_value(val)
val = self.config.getint('output', 'file-increment')
if val != None:
self.incr = val
self.fcincfield.set_value(val)
val = self.config.get('output', 'file-format')
if val != None:
self.set_fileformat(val)
for i in xrange(len(_fileformats)):
if _fileformats[i].name == val:
self.fmt.set_active(i)
break
def writeConfig(self):
outputinfo.OutputProvider.writeConfig(self)
self.config.set('output', 'file-filename', self.filename)
self.config.set('output', 'file-filecounter', str(self.filecounter))
self.config.set('output', 'file-increment', str(self.incr))
self.config.set('output', 'file-format', self.format)
def register():
return [ScanToFile]
|