def render(self, name, value, attrs=None):
if value is None:
value = ''
final_attrs = self.build_attrs(attrs, name=name)
if value != '':
# Only add the 'value' attribute if a value is non-empty.
final_attrs['value'] = value
buttons = {}
initials = []
for name, filter in FILTER_CLASSES.items():
button = filter.render_button(attrs=final_attrs, filter_name=name)
if button:
buttons[name] = button
initials.append(
filter.render_initial(attrs=final_attrs, filter_name=name))
final_attrs.update({
'STATIC_URL':
getattr(settings, 'STATIC_URL', settings.MEDIA_URL),
'buttons':
buttons,
'initials':
initials
})
return render_to_string('image_editor/image_editor_widget.html',
final_attrs)
def _get_media(self):
media = Media(css={'all': ('image_editor/css/image_editor.css', )},
js=('image_editor/js/image_editor.js',
'image_editor/js/jquery.json.js'))
for n, f in FILTER_CLASSES.items():
media = media + f.media
return media
def _get_media(self):
media = Media(
css={ 'all': ('image_editor/css/image_editor.css', ) },
js = ('image_editor/js/image_editor.js', 'image_editor/js/jquery.json.js')
)
for n, f in FILTER_CLASSES.items():
media = media + f.media
return media
def render(self, name, value, attrs=None):
if value is None:
value = ''
final_attrs = self.build_attrs(attrs, name=name)
if value != '':
# Only add the 'value' attribute if a value is non-empty.
final_attrs['value'] = value
buttons = {}
initials = []
for name, filter in FILTER_CLASSES.items():
button = filter.render_button(attrs=final_attrs, filter_name=name)
if button:
buttons[name] = button
initials.append(filter.render_initial(attrs=final_attrs, filter_name=name))
final_attrs.update({
'STATIC_URL': getattr(settings, 'STATIC_URL', settings.MEDIA_URL),
'buttons': buttons,
'initials': initials
})
return render_to_string('image_editor/image_editor_widget.html', final_attrs)
def apply_filters_to_image(image_name, operations):
if not storage.exists(image_name):
raise Exception('Image "%s" does not exist' % image_name)
file = storage.open(image_name)
file.seek(0)
image = Image.open(StringIO(file.read()))
if type(operations) != list:
raise Exception('Wrong params received')
for operation in operations:
filter = FILTER_CLASSES.get(operation['name'], None)
if not isinstance(filter, ImageEditToolBasic):
raise Exception('Image filter with name "%s" is not found' % operation['name'])
image = filter.proceed_image(image, operation.get('params', None))
tmp = tempfile.NamedTemporaryFile()
image.save(tmp.name, 'JPEG')
tmp.seek(0, 0)
return File(tmp)
def apply_filters_to_image(image_name, operations):
if not storage.exists(image_name):
raise Exception('Image "%s" does not exist' % image_name)
file = storage.open(image_name)
file.seek(0)
image = Image.open(StringIO(file.read()))
if type(operations) != list:
raise Exception('Wrong params received')
for operation in operations:
filter = FILTER_CLASSES.get(operation['name'], None)
if not isinstance(filter, ImageEditToolBasic):
raise Exception('Image filter with name "%s" is not found' %
operation['name'])
image = filter.proceed_image(image, operation.get('params', None))
tmp = tempfile.NamedTemporaryFile()
image.save(tmp.name, 'JPEG')
tmp.seek(0, 0)
return File(tmp)
