def register_image_feature(features):
formats.unregister_image_format('fullwidth')
formats.unregister_image_format('left')
formats.unregister_image_format('right')
formats.register_image_format(
formats.Format('fullwidth', _('Full width'),
'richtext-image full-width', 'max-1600x800'))
formats.register_image_format(
formats.Format('left', _('Left-aligned'), 'richtext-image left',
'max-1000x500'))
formats.register_image_format(
formats.Format('right', _('Right-aligned'), 'richtext-image right',
'max-1000x500'))
from wagtail.images.formats import Format, register_image_format, unregister_image_format
unregister_image_format('fullwidth')
unregister_image_format('left')
unregister_image_format('right')
register_image_format(
Format('fullwidth', 'Full width',
'richtext-image img-responsive full-width', 'width-400'))
register_image_format(
Format('left', 'Left-aligned', 'richtext-image img-responsive left',
'width-200'))
register_image_format(
Format('right', 'Right-aligned', 'richtext-image img-responsive right',
'width-200'))
# image_formats.py
from wagtail.images.formats import Format, unregister_image_format, register_image_format
unregister_image_format('fullwidth')
register_image_format(
Format('fullwidth', 'Fullwidth', 'richtext-image fullwidth',
'max-1200x1200'))
from wagtail.images.formats import (
Format,
register_image_format,
unregister_image_format,
)
unregister_image_format("fullwidth")
unregister_image_format("left")
unregister_image_format("right")
register_image_format(
Format("left", "Left-aligned", "richtext-image format-left", "width-300"))
register_image_format(
Format("right", "Right-aligned", "richtext-image format-right",
"width-300"))
register_image_format(
Format("center", "Center-aligned", "richtext-image format-center",
"width-300"))
except SourceImageIOError:
# Image file is (probably) missing from /media/original_images - generate a dummy
# rendition so that we just output a broken image, rather than crashing out completely
# during rendering
Rendition = image.renditions.model # pick up any custom Image / Rendition classes that may be in use
half_rendition = Rendition(image=image, width=0, height=0)
half_rendition.file.name = 'not-found'
if self.classnames:
class_attr = 'class="%s" ' % escape(self.classnames)
else:
class_attr = ''
sizes = "(max-width: 480px) 512w, 100vw"
srcset = "%s 512w, %s" % (escape(
half_rendition.url), escape(rendition.url))
return ('<img %s%s '
'width="%d" height="%d" '
'alt="%s" srcset="%s" sizes="%s">') % (
extra_attributes, class_attr, rendition.width,
rendition.height, alt_text, srcset, sizes)
register_image_format(
Format('halfwidth', 'Half Width (512px)', 'richtext-image half-width',
'max-512x410'))
unregister_image_format("fullwidth")
register_image_format(
FullWidthImgFormat('fullwidth', 'Full width', 'richtext-image full-width',
'max-1400x1120'))