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from datetime import datetime
from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw
import colorsys
import numpy as np
import imageio
from math import floor
import os
import logzero
from logzero import logger
import random
def generate_offsets(array_size, max_offset):
periodicity = random.randint(1, 10)
periodicity = random.random() * periodicity
offsets = []
for i in range(array_size):
offsets.append(floor(max_offset * np.sin(periodicity * (i * np.pi / 180))))
return offsets
def hueChange(img, offset):
# https://stackoverflow.com/questions/27041559/rgb-to-hsv-python-change-hue-continuously/27042106
# It's better to raise an exception than silently return None if img is not
# an Image.
img.load()
r, g, b = img.split()
r_data = []
g_data = []
b_data = []
offset = offset / 100.0
for rd, gr, bl in zip(r.getdata(), g.getdata(), b.getdata()):
h, s, v = colorsys.rgb_to_hsv(rd / 255.0, bl / 255.0, gr / 255.0)
rgb = colorsys.hsv_to_rgb(h, s + offset, v)
rd, bl, gr = [int(x * 255.0) for x in rgb]
r_data.append(rd)
g_data.append(gr)
b_data.append(bl)
r.putdata(r_data)
g.putdata(g_data)
b.putdata(b_data)
return Image.merge("RGB", (r, g, b))
def decision(probability):
return random.random() < probability
def mod_image_repeat_rows(
imgname,
chance_of_row_repeat=0,
max_row_repeats=0,
min_row_repeats=0,
save=True,
out_name="image.jpg",
):
img = Image.open(imgname)
pixels = img.load()
width, height = img.size
repeat = False
num_repeats = 0
times_to_repeat = 0
row_to_repeat = []
offsets = []
for y in range(height):
if not repeat and decision(chance_of_row_repeat):
repeat = True
times_to_repeat = random.randint(min_row_repeats, max_row_repeats)
offsets = generate_offsets(times_to_repeat, random.randint(10, 50))
for x in range(width):
r, g, b = img.getpixel((x, y))
if repeat and len(row_to_repeat) != width:
pixels[x, y] = (r, g, b)
row_to_repeat.append((r, g, b))
elif repeat:
try:
pixels[x, y] = row_to_repeat[x + offsets[num_repeats]]
except Exception:
pixels[x, y] = row_to_repeat[x - offsets[num_repeats]]
else:
pixels[x, y] = (r, g, b)
if repeat:
num_repeats += 1
if num_repeats >= times_to_repeat:
repeat = False
times_to_repeat = 0
num_repeats = 0
row_to_repeat = []
offsets = []
if save:
img.save(out_name)
def add_date(img_path, out_name="image.jpg", bottom_offset=0,date=None,time="00:00"):
if date==None:
date_obj = datetime.now()
date_str_1 = date_obj.strftime("%p %H:%M")
date_str_2 = date_obj.strftime("%b. %d %Y")
else:
date_obj = datetime.strptime(date, '%Y/%m/%d')
date_obj2 = datetime.strptime(time,'%H:%M')
date_str_1 = date_obj2.strftime("%p %H:%M")
date_str_2 = date_obj.strftime("%b. %d %Y")
corner_offset = 50
img = Image.open(img_path)
_, height = img.size
draw = ImageDraw.Draw(img)
font = ImageFont.truetype("src/VCR_OSD_MONO_1.001.ttf", 64)
draw.text(
(corner_offset, (height - 150 - bottom_offset)),
date_str_1,
(255, 255, 255),
font=font,
)
draw.text(
(corner_offset, (height - 75) - bottom_offset),
date_str_2,
(255, 255, 255),
font=font,
)
draw.text((corner_offset, 25), "|| PAUSE", (255, 255, 255), font=font)
img.save(out_name)
def add_img_noise(imgpath, intensity=1, out_name="image.jpg"):
img = imageio.imread(imgpath, pilmode="RGB")
noise1 = img + intensity * img.std() * np.random.random(img.shape)
imageio.imwrite(out_name, noise1)
def offset_hue(image, out_name="image.jpg"):
if isinstance(image, str):
image = Image.open(image)
image = hueChange(image, 25)
image.save(out_name)
def build_background(out_name, taskbar_offset):
# getImage(out_name="start.jpg")
offset_hue("start.jpg", out_name="saturated.jpg")
mod_image_repeat_rows("saturated.jpg", 0.012, 50, 10, out_name="shifted.jpg")
add_img_noise("shifted.jpg", out_name="noisy.jpg")
add_date("noisy.jpg", out_name=out_name, bottom_offset=taskbar_offset)
"""
if __name__ == "__main__":
build_background("bkg.jpg", 25)
"""
def generateVHSStyle(infile, outfile, verbose=True,date=None,time="00:00"):
if not verbose:
logzero.loglevel(level=0)
cut_rows = bool(random.getrandbits(1))
offset = random.choice([0, 5, 10, 15, 20, 25])
logger.info("Saturating the image")
offset_hue(infile, "saturated.jpg")
if cut_rows:
logger.info("Shifting the image")
mod_image_repeat_rows("saturated.jpg", 0.012, 50, 10, True, "shifted.jpg")
else:
logger.info("Not applying lines effect")
mod_image_repeat_rows("saturated.jpg", 0, 0, 0, True, "shifted.jpg")
logger.info("Adding noise")
add_date("shifted.jpg", "noisy.jpg",date=date,time=time)
logger.info("Adding text")
add_date("noisy.jpg", outfile, bottom_offset=offset,date=date,time=time)
logger.info("Generated Image")
logger.info("Removing residual files")
os.remove("shifted.jpg")
os.remove("saturated.jpg")
os.remove("noisy.jpg")
# generateVHSStyle("s.jpg","o.jpg")
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