util_functions/utils.py

from PIL import Image, ImageDraw, ImageFont
import qrcode

def generate_qr_code(url):
    return qrcode.make(url)

def draw_multiple_line_text(input_image_size, text, font=None, text_color=(255, 255, 255)):
    if font is None: 
        font = ImageFont.load_default()
    watermark_image = Image.new("RGB", input_image_size, (0, 0, 0))
    output_image = watermark_image.copy()
    draw = ImageDraw.Draw(watermark_image)
    image_width, image_height = input_image_size
    line_width, line_height = font.getsize(text)
    draw.text(
        ((image_width - line_width)/2, (image_height - line_height)/2),
        text,
        font=font,
        fill=text_color
    )

    scale = min(image_width / line_width, image_height / line_height)
    watermark_image = watermark_image.resize((int(watermark_image.width * scale), int(watermark_image.height*scale)))
    output_image.paste(watermark_image, (int((image_width-watermark_image.width)/2), int((image_height-watermark_image.height)/2)))
    return output_image