profitroll/huepaper
profitroll/huepaper
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reorder functions

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Denis Lehmann 2020-05-08 22:51:15 +02:00
parent eb6a6f57ce
commit 2e79e58ac1
1 changed files with 64 additions and 56 deletions
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huepaper.py
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@ -4,39 +4,8 @@ import argparse
import os.path
import random
import sys
from PIL import Image, ImageDraw, ImageOps
from colour import Color
# Create base image from four colors, width and height
# c1 - top left
# c2 - top right
# c3 - bottom right
# c4 - bottom left
def create_base_image(c1, c2, c3, c4):
# Lambda for adding four colors
add = lambda c1, c2, c3, c4 : (c1[0] + c2[0] + c3[0] + c4[0], c1[1] + c2[1] + c3[1] + c4[1], c1[2] + c2[2] + c3[2] + c4[2])
# Lambda for multiplying a color with a factor
mul = lambda c, x : (c[0] * x, c[1] * x, c[2] * x)
# Lambda for scaling a color from [0 , 1] to [0, 255]
cor = lambda c : (int(c[0] * 255), int(c[1] * 255), int(c[2] * 255))
# Lambda for calculating a color at x and y in range [0, 1]
# Color limits are set at creation
col = lambda x, y, c1 = c1, c2 = c2, c3 = c3, c4 = c4 : cor(add(mul(c1, (1.0 - x) * (1.0 - y)), mul(c2, x * (1.0 - y)), mul(c3, x * y), mul(c4, (1.0 - x) * y)))
# Create image
imgage = Image.new('RGBA', (width, height))
pixels = imgage.load()
for x in range(0, width):
for y in range(0, height):
pixels[x, y] = col(x / (width - 1), y / (height - 1))
return imgage
from PIL import Image, ImageDraw, ImageOps
# Get base color
@ -88,24 +57,33 @@ def create_colors(base_color):
return tuple(colors)
# Add emblem to an image from a filepath
def add_emblem(image, filepath):
# Create base image from four colors, width and height
# c1 - top left
# c2 - top right
# c3 - bottom right
# c4 - bottom left
def create_base_image(c1, c2, c3, c4):
# Load image
try:
emblem_image = Image.open(filepath)
except Exception as e:
print('Failed to load emblem: {}'.format(e))
sys.exit(1)
# Lambda for adding four colors
add = lambda c1, c2, c3, c4 : (c1[0] + c2[0] + c3[0] + c4[0], c1[1] + c2[1] + c3[1] + c4[1], c1[2] + c2[2] + c3[2] + c4[2])
# Exit if emblem is too big
if emblem_image.size[0] > width or emblem_image.size[1] > height:
print('Emblem can\'t be bigger than the wallpaper')
sys.exit(1)
# Lambda for multiplying a color with a factor
mul = lambda c, x : (c[0] * x, c[1] * x, c[2] * x)
# Insert emblem in the center
offset = ((image.size[0] - emblem_image.size[0]) // 2, (image.size[1] - emblem_image.size[1]) // 2)
image.alpha_composite(emblem_image, offset)
# Lambda for scaling a color from [0 , 1] to [0, 255]
cor = lambda c : (int(c[0] * 255), int(c[1] * 255), int(c[2] * 255))
# Lambda for calculating a color at x and y in range [0, 1]
# Color limits are set at creation
col = lambda x, y, c1 = c1, c2 = c2, c3 = c3, c4 = c4 : cor(add(mul(c1, (1.0 - x) * (1.0 - y)), mul(c2, x * (1.0 - y)), mul(c3, x * y), mul(c4, (1.0 - x) * y)))
# Create image
image = Image.new('RGBA', (width, height))
pixels = image.load()
for x in range(0, width):
for y in range(0, height):
pixels[x, y] = col(x / (width - 1), y / (height - 1))
return image
@ -113,7 +91,6 @@ def add_emblem(image, filepath):
# Add lines to an image
def add_lines(image, color):
line_image = Image.new('RGBA', (width, height), (0, 0, 0, 0))
draw = ImageDraw.Draw(line_image)
@ -153,6 +130,28 @@ def add_pixelation(image, x, y):
return image
# Add emblem to an image from a filepath
def add_emblem(image, filepath):
# Load image
try:
emblem_image = Image.open(filepath)
except Exception as e:
print('Failed to load emblem: {}'.format(e))
sys.exit(1)
# Exit if emblem is too big
if emblem_image.size[0] > width or emblem_image.size[1] > height:
print('Emblem can\'t be bigger than the wallpaper')
sys.exit(1)
# Insert emblem in the center
offset = ((image.size[0] - emblem_image.size[0]) // 2, (image.size[1] - emblem_image.size[1]) // 2)
image.alpha_composite(emblem_image, offset)
return image
# Save image to filepath
def save_image(filepath, image):
@ -165,10 +164,19 @@ def save_image(filepath, image):
save = False
if save:
try:
image.save(filepath)
except Exception as e:
print('Failed to save wallpaper: {}'.format(e))
stop = False
while not stop:
try:
image.save(filepath)
stop = True
except Exception as e:
print('Failed to save wallpaper: {}'.format(e))
again = input('Do you want to try again? [Y/n] ')
if again == 'n' or again == 'N':
stop = True
else:
filepath = input('Please enter new path where the wallpaper shall be saved: ')
'''
@ -189,8 +197,8 @@ def main():
parser.add_argument('-l', '--lines', nargs = '?', const = 0.1, type = float, help = 'include one to three random lines in base color with given opacity in range [0, 1] (default: 0.1)')
parser.add_argument('-lb', '--lines_bright', nargs = '?', const = 0.1, type = float, help = 'include one to three bright random lines with given opacity in range [0, 1] (default: 0.1)')
parser.add_argument('-ld', '--lines_dark', nargs = '?', const = 0.1, type = float, help = 'include one to three dark random lines with given opacity in range [0, 1] (default: 0.1)')
parser.add_argument('-e', '--emblem', help = 'emblem to add in the center of the wallpaper')
parser.add_argument('-P', '--pixelate', help = "pixelate image (e.g. 42x42)")
parser.add_argument('-e', '--emblem', help = 'emblem to add in the center of the wallpaper')
parser.add_argument('-hue', default = 0.1, type = float, help = 'maximum hue to differ from given color in range [0, 1] (default: 0.1)')
parser.add_argument('-smin', default = 0.2, type = float, help = 'minimum satisfaction for colors in range [0, 1] (default: 0.2)')
parser.add_argument('-smax', default = 1.0, type = float, help = 'maximum satisfaction for colors in range [0, 1] (default: 1.0)')
@ -238,12 +246,12 @@ def main():
if lines_dark:
image = add_lines(image, (0.0, 0.0, 0.0, lines_dark))
if emblem:
image = add_emblem(image, emblem)
if pixelate:
image = add_pixelation(image, px, py)
if emblem:
image = add_emblem(image, emblem)
if preview:
image.show()
if not output: