def process(self, img, config, info):
if self.key not in config:
return img
# convert bgcolor string to rgb value
config = config[self.key]
background_color = ImageColor.getrgb(
config.get('background_color', self.background_color))
# handle palleted images
img = img.convert('RGB')
# copy orignial image and flip the orientation
reflection = img.copy().transpose(Image.FLIP_TOP_BOTTOM)
# create a new image filled with the bgcolor the same size
background = Image.new("RGB", img.size, background_color)
# calculate our alpha mask
start = int(
255 -
(255 *
config.get('opacity', self.opacity))) # The start of our gradient
steps = int(
255 *
config.get('size', self.size)) # The number of intermedite values
increment = (255 - start) / float(steps)
mask = Image.new('L', (1, 255))
for y in range(255):
if y < steps:
val = int(y * increment + start)
else:
val = 255
mask.putpixel((0, y), val)
alpha_mask = mask.resize(img.size)
# merge the reflection onto our background color using the alpha mask
reflection = Image.composite(background, reflection, alpha_mask)
# crop the reflection
reflection_height = int(img.size[1] * config.get('size', self.size))
reflection = reflection.crop((0, 0, img.size[0], reflection_height))
# create new image sized to hold both the original image and the reflection
composite = Image.new("RGB",
(img.size[0], img.size[1] + reflection_height),
background_color)
# paste the orignal image and the reflection into the composite image
composite.paste(img, (0, 0))
composite.paste(reflection, (0, img.size[1]))
# Save the file as a JPEG
info['format'] = 'JPEG'
# return the image complete with reflection effect
return composite
def process(self, img, config, info):
if self.key not in config:
return img
bw = img.convert('1')
bw = bw.filter(ImageFilter.MedianFilter)
# White background.
bg = Image.new('1', img.size, 255)
diff = ImageChops.difference(bw, bg)
bbox = diff.getbbox()
if bbox:
img = img.crop(bbox)
return img
def process(self, img, config, info):
if self.key not in config:
return img
bw = img.convert('1')
bw = bw.filter(ImageFilter.MedianFilter)
# White background.
bg = Image.new('1', img.size, 255)
diff = ImageChops.difference(bw, bg)
bbox = diff.getbbox()
if bbox:
img = img.crop(bbox)
return img
def process(self, img, config, info):
if self.key not in config:
return img
# convert bgcolor string to rgb value
config = config[self.key]
background_color = ImageColor.getrgb(config.get('background_color', self.background_color))
# handle palleted images
img = img.convert('RGB')
# copy orignial image and flip the orientation
reflection = img.copy().transpose(Image.FLIP_TOP_BOTTOM)
# create a new image filled with the bgcolor the same size
background = Image.new("RGB", img.size, background_color)
# calculate our alpha mask
start = int(255 - (255 * config.get('opacity', self.opacity))) # The start of our gradient
steps = int(255 * config.get('size', self.size)) # The number of intermedite values
increment = (255 - start) / float(steps)
mask = Image.new('L', (1, 255))
for y in range(255):
if y < steps:
val = int(y * increment + start)
else:
val = 255
mask.putpixel((0, y), val)
alpha_mask = mask.resize(img.size)
# merge the reflection onto our background color using the alpha mask
reflection = Image.composite(background, reflection, alpha_mask)
# crop the reflection
reflection_height = int(img.size[1] * config.get('size', self.size))
reflection = reflection.crop((0, 0, img.size[0], reflection_height))
# create new image sized to hold both the original image and the reflection
composite = Image.new("RGB", (img.size[0], img.size[1]+reflection_height), background_color)
# paste the orignal image and the reflection into the composite image
composite.paste(img, (0, 0))
composite.paste(reflection, (0, img.size[1]))
# Save the file as a JPEG
info['format'] = 'JPEG'
# return the image complete with reflection effect
return composite
