def generate(self, avatars, text, usernames, kwargs):
avatar = BytesIO(http.get_content_raw(avatars[0]))
try:
img = image.Image(file=avatar)
except Exception as e:
raise BadRequest(f'The image could not be loaded: {e}')
if img.animation:
img = img.convert('png')
img.transform(resize='400x400')
try:
multiplier = int(text)
except ValueError:
multiplier = 1
else:
multiplier = max(min(multiplier, 10), 1)
img.liquid_rescale(width=int(img.width * 0.5),
height=int(img.height * 0.5),
delta_x=0.5 * multiplier,
rigidity=0)
img.liquid_rescale(width=int(img.width * 1.5),
height=int(img.height * 1.5),
delta_x=2 * multiplier,
rigidity=0)
b = BytesIO()
img.save(file=b)
b.seek(0)
img.destroy()
return send_file(b, mimetype='image/png')
def convert(image: str, args: list, output_format: str):
img_bytes = get_content_raw(image)
args = ['gm', 'convert', '-'] + args + ['{}:-'.format(output_format)]
proc = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=subprocess.PIPE)
stdout, stderr = proc.communicate(img_bytes)
return stdout
def radial_blur(image: str, degrees: int, output_format: str):
img_bytes = get_content_raw(image)
args = [
'convert', '-', '-rotational-blur',
str(degrees), '{}:-'.format(output_format)
]
proc = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=subprocess.PIPE)
stdout, stderr = proc.communicate(img_bytes)
return stdout