tcc/FlaskAPI/services/image.py

70 lines
2.1 KiB
Python

from wand.image import Image
from static.image_helper import ImageHelper
def box_blur_image_separable(image, blurred_image, radius_x, radius_y):
pixels = image.get_pixels()
blurred_pixels = blurred_image.get_pixels()
for pixel in pixels:
x, y = pixel[0], pixel[1]
r_total, g_total, b_total = 0, 0, 0
pixel_count = 0
for offset_y in range(-radius_y, radius_y + 1):
for offset_x in range(-radius_x, radius_x + 1):
new_x = x + offset_x
new_y = y + offset_y
if 0 <= new_x < image.width and 0 <= new_y < image.height:
pixel_color = pixels[new_y * image.width + new_x]
r_total += pixel_color.red
g_total += pixel_color.green
b_total += pixel_color.blue
pixel_count += 1
blurred_pixel = blurred_pixels[y * image.width + x]
blurred_pixel.red = int(r_total / pixel_count)
blurred_pixel.green = int(g_total / pixel_count)
blurred_pixel.blue = int(b_total / pixel_count)
return blurred_image
def save_image(file_stream):
with open("image.png", "wb") as file:
file.write(file_stream.read())
file.close()
class ImageService:
def __init__(self):
pass
def box_blur_image(self, img, radius):
temp_path = 'temp_image.png'
img.save(temp_path)
with Image(filename=temp_path) as img:
img.blur(radius, 2)
blurred_temp_path = 'blurred_temp_image.png'
img.save(filename='blurred_temp_image.png')
return blurred_temp_path
def get_simple_image(self):
with ImageHelper.SimpleImage as img:
img = ImageHelper.SimpleImage
simple_image = 'simple_image.png'
img.save(filename='simple_image.png')
return simple_image
def get_big_image(self):
with ImageHelper.BigImage as img:
img = ImageHelper.BigImage
big_image = 'big_image.png'
img.save(filename='big_image.png')
return big_image