python 实现图片特效处理

 #!/usr/bin/env python
# encoding: utf-8

import numpy as np
from PIL import Image

class picture:
'''
This is a main Class, the file contains all documents.
One document contains paragraphs that have several sentences
It loads the original file and converts the original file to new content
Then the new content will be saved by this class
'''
def __init__(self):
self.path = 'assets/picture.jpeg'

def hello(self):
'''
This is a welcome speech
:return: self
'''
print('*' * 50)
print(' ' * 20 + '图片转换特效之黑白')
print(' ' * 5 + '作者: autofelix Date: 2022-01-17 13:14')
print('*' * 50)
return self

def run(self):
'''
The program entry
'''
im = self.to_black_white()
im.show()
im.save('assets/black_white.jpeg')

def to_black_white(self):
'''
Picture to black white
'''
im = np.asarray(Image.open(self.path).convert('RGB'))
trans = np.array([[0.299, 0.587, 0.114], [0.299, 0.587, 0.114], [0.299, 0.587, 0.114]]).transpose()
im = np.dot(im, trans)
return Image.fromarray(np.array(im).astype('uint8'))

if __name__ == '__main__':
picture().hello().run()

#!/usr/bin/env python
# encoding: utf-8

import numpy as np
from PIL import Image

class picture:
'''
This is a main Class, the file contains all documents.
One document contains paragraphs that have several sentences
It loads the original file and converts the original file to new content
Then the new content will be saved by this class
'''
def __init__(self):
self.path = 'assets/picture.jpeg'

def hello(self):
'''
This is a welcome speech
:return: self
'''
print('*' * 50)
print(' ' * 20 + '图片转换特效之流年')
print(' ' * 5 + '作者: autofelix Date: 2022-01-17 13:14')
print('*' * 50)
return self

def run(self):
'''
The program entry
'''
im = self.fleeting()
im.show()
im.save('assets/fleeting.jpeg')

def fleeting(self, params=12):
'''
Picture to fleeting
'''
im = np.asarray(Image.open(self.path).convert('RGB'))
im1 = np.sqrt(im * [1.0, 0.0, 0.0]) * params
im2 = im * [0.0, 1.0, 1.0]
im = im1 + im2
return Image.fromarray(np.array(im).astype('uint8'))

if __name__ == '__main__':
picture().hello().run()

#!/usr/bin/env python
# encoding: utf-8

import numpy as np
from PIL import Image

class picture:
'''
This is a main Class, the file contains all documents.
One document contains paragraphs that have several sentences
It loads the original file and converts the original file to new content
Then the new content will be saved by this class
'''
def __init__(self):
self.path = 'assets/picture.jpeg'

def hello(self):
'''
This is a welcome speech
:return: self
'''
print('*' * 50)
print(' ' * 20 + '图片转换特效之旧电影')
print(' ' * 5 + '作者: autofelix Date: 2022-01-17 13:14')
print('*' * 50)
return self

def run(self):
'''
The program entry
'''
im = self.old_film()
im.show()
im.save('assets/old_film.jpeg')

def old_film(self):
'''
Picture to old film
'''
im = np.asarray(Image.open(self.path).convert('RGB'))
trans = np.array([[0.393, 0.769, 0.189], [0.349, 0.686, 0.168], [0.272, 0.534, 0.131]]).transpose()
im = np.dot(im, trans).clip(max=255)
return Image.fromarray(np.array(im).astype('uint8'))

if __name__ == '__main__':
picture().hello().run()

#!/usr/bin/env python
# encoding: utf-8

import numpy as np
from PIL import Image

class picture:
'''
This is a main Class, the file contains all documents.
One document contains paragraphs that have several sentences
It loads the original file and converts the original file to new content
Then the new content will be saved by this class
'''
def __init__(self):
self.path = 'assets/picture.jpeg'

def hello(self):
'''
This is a welcome speech
:return: self
'''
print('*' * 50)
print(' ' * 20 + '图片转换特效之反色')
print(' ' * 5 + '作者: autofelix Date: 2022-01-17 13:14')
print('*' * 50)
return self

def run(self):
'''
The program entry
'''
im = self.reverse()
im.show()
im.save('assets/reverse.jpeg')

def reverse(self):
'''
Picture to reverse
'''
im = 255 - np.asarray(Image.open(self.path).convert('RGB'))
return Image.fromarray(np.array(im).astype('uint8'))

if __name__ == '__main__':
picture().hello().run()