overlay.py

import cv2
from PIL import Image


def textover(im,txt):
    inp=2
    hh=1
    hhh=45
    cnt = len(inp)
    font_a = 30
    font_b = 40
    if cnt >0:
        font_a = font_a + (cnt * 2)
        font_b = font_b + (cnt * 2)
        #hh = hh-int(cnt/2)
        hhh = hhh+int(cnt/2)
    w,h = im.size
    print (w)
    print (h)
    font_x = (w/2)
    font_y = h-hhh
    out = toi.process(im,txt,font_fac=font_a,font_x=font_x,font_y=hh,font_col="#000000",font_op=255)
    out = toi.process(out,"Contact Card",font_fac=font_b,font_x=font_x,font_y=font_y,font_col="#000000",font_op=255)

    return out

def background_image():
    img_b = np.zeros([512,512,1],dtype=np.uint8)
    img_b.fill(255)
    img_b.save("background.png")
    
def custom_overlay(txt=None):
    background_image()
    background = Image.open("background.png")
    x,y = background.size
    if x > y:
        aa=y
    if y > x: 
        aa=x
    if x==y:
        aa=x
    out = f'{txt}'
    print (f'txt {out}')
    qrm = qr.QRCode(box_size=10,error_correction=qr.constants.ERROR_CORRECT_H)
    qrm.add_data(out)
    qrm.make(fit=True)
    img1 = qrm.make_image(fill_color=fill, back_color="white")
    img1 = img1.resize((aa,aa))
    img1.save("im2.png")
    
    image_bgr = cv2.imread('im2.png')

    h, w, c = image_bgr.shape
    image_bgra = np.concatenate([image_bgr, np.full((h, w, 1), 255, dtype=np.uint8)], axis=-1)
    white = np.all(image_bgr == [255, 255, 255], axis=-1)
    image_bgra[white, -1] = 0
    cv2.imwrite('result.png', image_bgra)

    
    over_im = Image.open("result.png")
    background.paste(over_im, (0, 0), over_im)
    background.save("out_im.png")
    return "out_im.png"