def save(self, *args, **kwargs):
"""
Save the Crop object, and create the thumbnails by creating
one rescaled version for each ratio and then resizing for each
thumbnail within that ratio
"""
super(Crop, self).save(*args, **kwargs)
if self.size:
# get all the manually cropped sizes with the same aspect ratio as this crop/size
sizes = Size.objects.all().filter(
aspect_ratio=self.size.aspect_ratio,
size_set=self.size.size_set,
auto_size=0,
).order_by("-width")
if sizes:
# create the cropped image
cropped_image = utils.create_cropped_image(
self.image.path,
self.crop_x,
self.crop_y,
self.crop_w,
self.crop_h
)
# loop through the other sizes of the same aspect ratio, and create those crops
for size in sizes:
self.image.rescale(cropped_image, size=size)
def save(self, *args, **kwargs):
super(Crop, self).save(*args, **kwargs)
if self.size:
sizes = Size.objects.all().filter(aspect_ratio=self.size.aspect_ratio, size_set=self.size.size_set).exclude(auto_size=1).order_by("-width")
if sizes:
cropped_image = utils.create_cropped_image(self.image.image.path, self.crop_x, self.crop_y, self.crop_w, self.crop_h)
for size in sizes:
thumbnail = utils.rescale(cropped_image, size.width, size.height, crop=size.auto_size)
if not os.path.exists(self.image.folder_path):
os.makedirs(self.image.folder_path)
thumbnail.save(self.image.thumbnail_path(size), **IMAGE_SAVE_PARAMS)
def create_thumbnail(self, size, force_crop=False): """ Creates a thumbnail for an image at the specified size """ if not size.auto_size: try: crop = self.get_crop(size) cropped_image = utils.create_cropped_image( self.image.path, crop.crop_x, crop.crop_y, crop.crop_w, crop.crop_h ) except Crop.DoesNotExist: # auto-crop if no crop is defined cropped_image = pil.open(self.image.path) else: cropped_image = pil.open(self.image.path) self.rescale(cropped_image=cropped_image, size=size, force_crop=force_crop)
