def watermark(self, image, options):
"""
Wrapper for ``_watermark``
Takes care of all the options handling.
"""
if not setting('THUMBNAIL_WATERMARK', False):
raise AttributeError('Trying to apply a watermark, '
'however no THUMBNAIL_WATERMARK defined')
watermark_path = os.path.join(STATIC_ROOT, setting('THUMBNAIL_WATERMARK'))
if not 'watermark_alpha' in options:
options['watermark_alpha'] = setting('THUMBNAIL_WATERMARK_OPACITY', 1)
if not 'watermark_size' in options and setting('THUMBNAIL_WATERMARK_SIZE'):
options['watermark_size'] = setting('THUMBNAIL_WATERMARK_SIZE')
elif 'watermark_size' in options:
options['watermark_size'] = parse_geometry(
options['watermark_size'],
self.get_image_ratio(image),
)
else:
options['watermark_size'] = False
return self._watermark(image, watermark_path,
options['watermark_alpha'],
options['watermark_size'])
def create(self, image, geometry, options):
image = super(WatermarkEngineBase, self).create(image, geometry,
options)
if (setting('THUMBNAIL_WATERMARK_ALWAYS', True) or
'watermark' in options or
'watermark_pos' in options or
'watermark_size' in options or
'watermark_alpha' in options):
image = self.watermark(image, options)
return image
