def saveMulti(fn=None,fmt=None,verbose=False):
"""Save a sequence of images.
If the filename supplied has a trailing numeric part, subsequent images
will be numbered continuing from this number. Otherwise a numeric part
-000, -001, will be added to the filename.
Without filename, switches off multisave mode.
"""
global multisave
# Leave multisave mode
if not fn:
if multisave:
log("Leaving multi save mode")
QtCore.QObject.disconnect(GD.canvas,QtCore.SIGNAL("Save"),saveNext)
multisave = None
return
# Enter multisave mode
log("Entering multiple save mode to files:")
setWorkdirFromFile(fn)
name,ext = os.path.splitext(fn)
fmt = utils.imageFormatFromExt(ext)
log("%s-???.%s (%s)" % (name,ext,fmt))
fmt = checkImageFormat(fmt,verbose)
if fmt:
name,number = utils.splitEndDigits(name)
if len(number) > 0:
nr = int(number)
name += "%%0%dd" % len(number)
else:
nr = 0
name += "-%03d"
if len(ext) == 0:
ext = '.%s' % fmt.lower()
name += ext
if verbose:
warning("Each time you hit the 'S' key,\nthe image will be saved to the next number.")
QtCore.QObject.connect(GD.canvas,QtCore.SIGNAL("Save"),saveNext)
multisave = [ name,nr,fmt ]
def numericEnd(s):
i = utils.splitEndDigits(s)
if len(i[1]) > 0:
return int(i[1])
else:
return -1
