python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-08-09 14:54:46 +03:00
Code Issues Packages Projects Releases Wiki Activity

[pre-commit.ci] auto fixes from pre-commit.com hooks

Browse Source 
for more information, see https://pre-commit.ci
This commit is contained in:
pre-commit-ci[bot] 2023-12-09 12:07:11 +00:00
parent 7eb8393c5b
commit 50c1a19a54
4 changed files with 86 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/PIL/ImageEncryption.py
View File

@ -1,11 +1,12 @@
import io
import os
from PIL import Image
from cryptography.fernet import Fernet
from PIL import Image
class ImageEncryption:
def __init__(self, image_path, key_path=None):
"""
클래스를 초기화합니다.
@ -32,10 +33,10 @@ class ImageEncryption:
"""
self.image_path = image_path
if key_path is None:
self.key = Fernet.generate_key()
self.image = Image.open(image_path)
self.key = Fernet.generate_key()
self.image = Image.open(image_path)
else:
with open(key_path, 'r') as key_file:
with open(key_path) as key_file:
self.key = key_file.read().encode()
print(self.key)
self.cipher_suite = Fernet(self.key)
@ -59,21 +60,21 @@ class ImageEncryption:
Reads the image file as bytes and encrypts the data using Fernet.
Saves the encrypted data in binary format at the specified path.
"""
with open(self.image_path, 'rb') as image_file:
with open(self.image_path, "rb") as image_file:
original_image_data = image_file.read()
encrypted_data = self.cipher_suite.encrypt(original_image_data)
with open(savePath, 'wb') as encrypted_image_file:
with open(savePath, "wb") as encrypted_image_file:
encrypted_image_file.write(encrypted_data)
# Get the directory of the image file
directory = os.path.dirname(savePath)
# Create the path for the key file
key_path = os.path.join(directory, 'key.txt')
key_path = os.path.join(directory, "key.txt")
with open(key_path, 'w') as key_file:
with open(key_path, "w") as key_file:
key_file.write(self.key.decode())
#이미지를 복호화 (암호화 해제)하는 경우 savePath에 복호화된 이미지를 저장할 경로를 넣어주면 된다.
# 이미지를 복호화 (암호화 해제)하는 경우 savePath에 복호화된 이미지를 저장할 경로를 넣어주면 된다.
def decrypt_image(self, savePath):
"""
이미지를 복호화합니다.
@ -92,16 +93,15 @@ class ImageEncryption:
Reads the encrypted image file as bytes, decrypts the data using Fernet,
and saves the decrypted image at the specified path.
"""
with open(self.image_path, 'rb') as encrypted_image_file:
with open(self.image_path, "rb") as encrypted_image_file:
encrypted_data = encrypted_image_file.read()
decrypted_data = self.cipher_suite.decrypt(encrypted_data)
decrypted_image = Image.open(io.BytesIO(decrypted_data))
if decrypted_image.mode == 'RGBA':
decrypted_image = decrypted_image.convert('RGB')
if decrypted_image.mode == "RGBA":
decrypted_image = decrypted_image.convert("RGB")
decrypted_image.save(savePath)
#to be deleted
# to be deleted
def decrypt_show_image(self, savePath):
"""
이미지를 복호화하고 복호화된 이미지 파일을 보여줍니다.
@ -120,11 +120,11 @@ class ImageEncryption:
Reads the encrypted image file as bytes, decrypts the data using Fernet,
and saves the decrypted image at the specified path.
"""
with open(self.image_path, 'rb') as encrypted_image_file:
with open(self.image_path, "rb") as encrypted_image_file:
encrypted_data = encrypted_image_file.read()
decrypted_data = self.cipher_suite.decrypt(encrypted_data)
decrypted_image = Image.open(io.BytesIO(decrypted_data))
if decrypted_image.mode == 'RGBA':
decrypted_image = decrypted_image.convert('RGB')
if decrypted_image.mode == "RGBA":
decrypted_image = decrypted_image.convert("RGB")
decrypted_image.save(savePath)
Image.open(savePath).show()

62
src/PIL/ImageGradation.py
View File

@ -1,53 +1,68 @@
import math
import Image, ImageDraw,ImageFilter
import Image
import ImageDraw
import ImageFilter
class Gradation(ImageFilter):
name = "Gradation"
name ="Gradation"
def __init__(self, start_color, end_color, grad_dir="row"):
self.grad1 = start_color
self.grad2 = end_color
self.shape = grad_dir
def __init__(self,start_color,end_color,grad_dir='row'):
self.grad1=start_color
self.grad2=end_color
self.shape=grad_dir
def apply_gradation_filter(self,image):
def apply_gradation_filter(self, image):
# 그라데이션 필터 적용
width, height = image.size
if self.shape == 'row' or self.shape == 'col':
if self.shape == "row" or self.shape == "col":
grad_image = self.visual_gradation(width, height)
elif self.shape == 'circular':
elif self.shape == "circular":
grad_image = self.circular_gradation(width, height, self.grad1, self.grad2)
else:
raise ValueError("Invalid shape. Use 'row', 'col', or 'circular'.")
# 원본 이미지와 그라데이션 이미지를 합침
blended_image = Image.blend(image.convert('RGB'), grad_image, 0.5)
blended_image = blended_image.convert('RGB')
blended_image = Image.blend(image.convert("RGB"), grad_image, 0.5)
blended_image = blended_image.convert("RGB")
return blended_image
def visual_gradation(self,width, height):
def visual_gradation(self, width, height):
image = Image.new("RGB", (width, height))
# 이미지 Draw 객체 생성
draw = ImageDraw.Draw(image)
if self.shape == 'col':
if self.shape == "col":
for x in range(width):
# 색상 그라데이션 계산
red = int(self.grad1[0] * (1.0 - x / width) + self.grad2[0] * (x / width))
green = int(self.grad1[1] * (1.0 - x / width) + self.grad2[1] * (x / width))
blue = int(self.grad1[2] * (1.0 - x / width) + self.grad2[2] * (x / width))
red = int(
self.grad1[0] * (1.0 - x / width) + self.grad2[0] * (x / width)
)
green = int(
self.grad1[1] * (1.0 - x / width) + self.grad2[1] * (x / width)
)
blue = int(
self.grad1[2] * (1.0 - x / width) + self.grad2[2] * (x / width)
)
# 현재 열에 대한 선 그리기
draw.line([(x, 0), (x, height)], fill=(red, green, blue))
elif self.shape == 'row':
elif self.shape == "row":
for y in range(height):
# 색상 그라데이션 계산
red = int(self.grad1[0] * (1.0 - y / height) + self.grad2[0] * (y / height))
green = int(self.grad1[1] * (1.0 - y / height) + self.grad2[1] * (y / height))
blue = int(self.grad1[2] * (1.0 - y / height) + self.grad2[2] * (y / height))
red = int(
self.grad1[0] * (1.0 - y / height) + self.grad2[0] * (y / height)
)
green = int(
self.grad1[1] * (1.0 - y / height) + self.grad2[1] * (y / height)
)
blue = int(
self.grad1[2] * (1.0 - y / height) + self.grad2[2] * (y / height)
)
# 현재 열에 대한 선 그리기
draw.line([(0, y), (width, y)], fill=(red, green, blue))
@ -56,8 +71,7 @@ class Gradation(ImageFilter):
return image
def circular_gradation(self,width, height):
def circular_gradation(self, width, height):
# 새로운 이미지 생성
image = Image.new("RGB", (width, height))
@ -72,7 +86,7 @@ class Gradation(ImageFilter):
for y in range(height):
for x in range(width):
# 현재 좌표에서 중심 좌표까지의 거리 계산
distance = math.sqrt((x - center_x)**2 + (y - center_y)**2)
distance = math.sqrt((x - center_x) ** 2 + (y - center_y) ** 2)
# 반지름보다 크면 거리를 반지름으로 설정
distance = min(distance, radius)

5
src/PIL/Imagemosaic.py
View File

@ -1,5 +1,5 @@
from PIL import Image
import os
def apply_mosaic_filter(image, block_size=20):
"""
@ -20,7 +20,6 @@ def apply_mosaic_filter(image, block_size=20):
for x in range(0, width, block_size):
for y in range(0, height, block_size):
# 원본 이미지에서 블록 잘라내기
box = (x, y, x + block_size, y + block_size)
block = image.crop(box)
@ -29,7 +28,7 @@ def apply_mosaic_filter(image, block_size=20):
average_color = (
sum(p[0] for p in block.getdata()) // block_size**2,
sum(p[1] for p in block.getdata()) // block_size**2,
sum(p[2] for p in block.getdata()) // block_size**2
sum(p[2] for p in block.getdata()) // block_size**2,
)
# 평균 색상으로 새 이미지를 생성하여 필터링된 이미지에 붙여넣기

14
src/PIL/blackGradation.py
View File

@ -1,17 +1,22 @@
from PIL import Image, ImageDraw
class GradationFilter:
def __init__(self, image_path):
self.original_image = Image.open(image_path)
def apply_gradation_filter(self, start_color, end_color, input_alpha=0.5):
alpha_mask = self.original_image.convert("L").point(lambda x: 0 if x == 0 else 255)
alpha_mask = self.original_image.convert("L").point(
lambda x: 0 if x == 0 else 255
)
self.original_image.putalpha(alpha_mask)
width, height = self.original_image.size
grad_image = self.visual_gradation(width, height, start_color, end_color)
result_image = Image.alpha_composite(Image.new("RGBA", self.original_image.size, (0, 0, 0, 0)), grad_image)
result_image = Image.alpha_composite(
Image.new("RGBA", self.original_image.size, (0, 0, 0, 0)), grad_image
)
result_image.paste(self.original_image, (0, 0), self.original_image)
return result_image
@ -30,7 +35,8 @@ class GradationFilter:
@staticmethod
def hex_to_rgb(hex_color):
return tuple(int(hex_color[i:i+2], 16) for i in (0, 2, 4))
return tuple(int(hex_color[i : i + 2], 16) for i in (0, 2, 4))
try:
image_path = "Gradation/60D2151A-A12A-4F89-9D79-D7FD5DBEA4C4.png"
@ -46,7 +52,7 @@ try:
filtered_image = gradation_filter.apply_gradation_filter(start_color, end_color)
filtered_image.show()
except IOError:
except OSError:
print("Error: Not a PNG file.")
except Exception as e:
print(f"An unexpected error occurred: {e}")