import cv2


class TextFactory:

    dict = {}
    char_maxheight = 0

    def __init__(self):
        self.import_from_image()

    def import_from_image(self):

        alphabet = list('abcdefghijklmnopqrstuvwxyz0123456789 @')

        img = cv2.imread('bitmap.png', cv2.IMREAD_GRAYSCALE)
        height, width = img.shape
        print(height, width)

        y1 = 0
        y2 = 0
        x = 0

        def read_char(cc, yy1, yy2, xx):
            print(cc, yy1, yy2, xx)

            array1 = []
            for yyy in range(yy1, yy2+1):
                array2 = []
                for xxx in range(0, xx+1):
                    if img[yyy, xxx] == 255:
                        array2.append('██')
                    else:
                        array2.append('▒▒')
                array1.append(array2)

            self.dict[cc] = array1

        for char in alphabet:
            while True:
                pixel = img[y2, 0]
                if 0 < pixel < 255:
                    break
                y2 += 1
            while True:
                pixel = img[y1, x]
                if 0 < pixel < 255:
                    break
                x += 1
            read_char(char, y1, y2-1, x-1)
            if y2 - y1 > self.char_maxheight:
                self.char_maxheight = y2 - y1
            y2 += 1
            y1 = y2
            x = 0

    def print_all(self, text):
        char_list = list(text)
        column_bitmap_list = [''] * self.char_maxheight
        for char in char_list:
            for idx, val in enumerate(self.dict[char]):
                column_bitmap_list[idx] += ''.join(val) + '▒▒'
        for col in column_bitmap_list:
            print(''.join(col))







text1 = TextFactory()
text1.print_all('abc')