Timer

get_timer.py

import cv2
from PIL import Image, ImageDraw, ImageFont
import datetime
import numpy as np

# Constants
total_seconds = 60 # 24 hours in seconds
fps = 1  # 1 frame per second
size = (800, 600)  # Frame size
font_size = 200
font_color = (255, 255, 255)
background_color = (0, 0, 0)
output_file = f"{total_seconds}_seconds_timer.mp4"

def get_text_dimensions(text_string, font):
    # https://stackoverflow.com/a/46220683/9263761
    ascent, descent = font.getmetrics()

    text_width = font.getmask(text_string).getbbox()[2]
    text_height = font.getmask(text_string).getbbox()[3] + descent

    return (text_width, text_height)
# Create Video Writer
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
video = cv2.VideoWriter(output_file, fourcc, fps, size)

# Check if video writer is opened
if not video.isOpened():
    raise Exception("Video writer cannot be opened")

# Function to generate each frame
def create_frame(remaining_time):
    img = Image.new('RGB', size, background_color)
    draw = ImageDraw.Draw(img)

    # Using a TrueType font if available, otherwise the default font
    try:
        font = ImageFont.truetype("arial.ttf", font_size)
    except IOError:
        font = ImageFont.load_default(font_size)

    text = str(datetime.timedelta(seconds=remaining_time))

    # Measure the size of the text using the textsize method
    text_width, text_height = get_text_dimensions(text, font)

    position = ((size[0] - text_width) / 2, (size[1] - text_height) / 2)
    draw.text(position, text, font=font, fill=font_color)

    return cv2.cvtColor(np.array(img), cv2.COLOR_RGB2BGR)

# Generate video frames
for remaining_seconds in range(total_seconds, -1, -1):
    frame = create_frame(remaining_seconds)
    video.write(frame)

# Release the video writer
video.release()