wallpaper generator :§

gui
Felix Pankratz 3 years ago
parent 50603f3a84
commit 79221eca07

@ -2,38 +2,47 @@
import cairo
import math
import datetime
import calendar
import random
from utils import random_color
# dimensions of the output image
WIDTH, HEIGHT = 1920, 1080
# numbers of waves
WAVES = 12
# how much should the phases be offset?
WAVE_OFFSET = 0 - (math.pi/4)#-1.9
WAVE_OFFSET = math.pi / random.choice([1, 2, 4]) #-1.9
# amplitude of the sine wave
AMPLITUDE = 50
#AMPLITUDE = 9
# only 1 color with shades?
MONOCHROME = True
# works only if monochrome is set - uses todays date as base for the color
DATE_BASED_COLOR = True
DATE_BASED_AMPLITUDE = True
DATE_BASED_COUNT = True
# background black? White otherwise:
DARK_BG = True
# precision of the calculation
PRECISION = 10000
def todays_color():
import datetime
def days_color(date):
import colorsys
import calendar
# a day between 1 and 365 (inclusive)
today = datetime.datetime.now().timetuple().tm_yday
year = datetime.datetime.now().year
today = date.timetuple().tm_yday
year = date.year
days_in_year = 365 + calendar.isleap(year)
# between 0 and 1, how far through the year are we?
progress = today/days_in_year
return colorsys.hsv_to_rgb(progress, 1, 1)
def days_amp(date, waves):
day = date.day
days_in_month = calendar.monthrange(date.year, date.month)[1]
max_amp = 1/waves/2
return day/days_in_month * max_amp
def days_count(date):
return date.month
def main():
@ -42,10 +51,20 @@ def main():
ctx.scale(WIDTH, HEIGHT) # Normalizing the canvas
wave_height = 1/WAVES
step_size = 1/PRECISION
lastpoints = [(x/PRECISION, 0) for x in range(PRECISION+1)]
#date = datetime.datetime.strptime('2021-01-01', '%Y-%m-%d')
date = datetime.datetime.today()
frequency = random.randint(10, 40)
if DATE_BASED_COUNT:
waves = days_count(date)
else:
waves = 12
if DATE_BASED_AMPLITUDE:
amplitude = days_amp(date, waves)
else:
amplitude = 25
if DARK_BG:
# make bg black
ctx.rectangle(0, 0, 1, 1)
@ -53,17 +72,21 @@ def main():
ctx.fill()
if MONOCHROME:
r, g, b = random_color()
alpha_step = 1/WAVES
if DATE_BASED_COLOR:
r, g, b = days_color(date) #datetime.datetime.now())
else:
r, g, b = random_color()
alpha_step = 1/waves
for num in range(WAVES+1):
wave_height = 1/waves
for num in range(waves+1):
if not MONOCHROME:
r, g, b = random_color()
points = []
x = 0
while x < 1:
y = math.sin(x*AMPLITUDE + (num * WAVE_OFFSET) ) * 0.1
points.append((x, ( (y/4) + ((0.5+num)*wave_height))))
y = amplitude * math.sin(frequency * x + (num * WAVE_OFFSET) )
points.append((x, ( (y) + ((0.5+num)*wave_height))))
x += step_size
print(f'Draw {len(points)} points for curve {num}')
if not MONOCHROME:

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