virtual_keyboard.py

from turtle import width
import cv2
import numpy as np

keyboard = np.zeros((600,1000,3),np.uint8) #tamanho do teclado
keys_set_1 = {0: "Q", 1:"W", 2:"E", 3:"R", 4:"T", 5:"A", 6:"S", 7:"D", 8:"F", 9:"G", 10:"Z", 11:"X", 12:"C", 13:"V", 14:"B"}

def letter(letter_index, text, letter_light):
    #chaves

    if letter_index == 0:
        x = 0
        y = 0
    elif letter_index == 1:
        x = 200
        y = 0
    elif letter_index == 2:
        x = 400
        y = 0
    elif letter_index == 3:
        x = 600
        y = 0
    elif letter_index == 4:
        x = 800
        y = 0
    elif letter_index == 5:
        x = 0
        y = 200
    elif letter_index == 6:
        x = 200
        y = 200
    elif letter_index == 7:
        x = 400
        y = 200
    elif letter_index == 8:
        x = 600
        y = 200
    elif letter_index == 9:
        x = 800
        y = 200
    elif letter_index == 10:
        x = 0
        y = 400
    elif letter_index == 11:
        x = 200
        y = 400
    elif letter_index == 12:
        x = 400
        y = 400
    elif letter_index == 13:
        x = 600
        y = 400
    elif letter_index == 14:
        x = 800
        y = 400
        
    width = 200
    height = 200
    th = 3

    if letter_light is True:
        cv2.rectangle(keyboard, (x+th,y+th), (x+width-th, y+height-th), (255, 255, 255), -1) #desenhando as teclas
    else:
        cv2.rectangle(keyboard, (x+th,y+th), (x+width-th, y+height-th), (255, 0, 0), th) #desenhando as teclas


    # configuracoes do teclado
    font_letter = cv2.FONT_HERSHEY_PLAIN
    font_scale = 10
    font_th = 4
    text_size = cv2.getTextSize("A", font_letter, font_scale, font_th)[0]
    with_text, height_text = text_size[0], text_size[1]

    #centralizando as letras
    text_x = int((width - with_text)/2)+x
    text_y = int((height + height_text)/2)+y

    cv2.putText(keyboard, text, (text_x, text_y), font_letter, font_scale, (255, 0, 0), 4)
    #cv2.rectangle(keyboard, (200+th,0+th), (200+width-th, 0+height-th), (255, 0, 0), th) #desenhando as teclas

for i in range(15):
    if i == 5:
        light = True
    else:
        light = False
    letter(i, keys_set_1[i], light)



cv2.imshow("keyboard", keyboard)
cv2.waitKey(0)
cv2.destroyAllWindows()