def resize(self, size):
size = tuple(int(s) for s in size.split('x'))
idownloadable = self.entity.cw_adapt_to('IDownloadable')
ctype = idownloadable.download_content_type()
fmt = ctype and ctype.split('/', 1)[1] or None
if fmt is None:
self.error('unable to resize')
raise UnResizeable
data = idownloadable.download_data()
pilimg = pilopen(Binary(data))
pilimg.thumbnail(size, ANTIALIAS)
stream = Binary()
pilimg.save(stream, fmt)
stream.seek(0)
stream.filename = idownloadable.download_file_name()
return stream
def thumbnail(self, shadow=False, size=None):
if size is None:
size = self._cw.vreg.config['image-thumb-size']
size = tuple(int(s) for s in size.split('x'))
idownloadable = self.entity.cw_adapt_to('IDownloadable')
data = idownloadable.download_data()
try:
pilimg = pilopen(Binary(data))
except IOError:
raise UnResizeable
if shadow:
self.warning('[1.15.0] the shadow parameter is now unused '
'and you should use css rules to lay shadows out',
DeprecationWarning)
pilimg.thumbnail(size, ANTIALIAS)
stream = Binary()
pilimg.save(stream, 'png')
stream.seek(0)
ithumbnail = self.entity.cw_adapt_to('IThumbnail')
stream.filename = ithumbnail.thumbnail_file_name()
return stream