Text to image, that should be tilted to be readable

text_to_image.py

import os
from PIL import Image, ImageDraw, ImageFont
import numpy


def find_coefficients(pa, pb):
    matrix = []
    for p1, p2 in zip(pa, pb):
        matrix.append([p1[0], p1[1], 1, 0, 0, 0, -p2[0]*p1[0], -p2[0]*p1[1]])
        matrix.append([0, 0, 0, p1[0], p1[1], 1, -p2[1]*p1[0], -p2[1]*p1[1]])

    a = numpy.matrix(matrix, dtype=numpy.float)
    b = numpy.array(pb).reshape(8)

    res = numpy.dot(numpy.linalg.inv(a.T * a) * a.T, b)
    return numpy.array(res).reshape(8)


colors = ['black', 'white']
mode = 0

try:
    mode = int(input('Mode (1 or 2): ')) - 1
except ValueError:
    print('Wrong number: using 1')

background = colors[mode % len(colors)]
foreground = colors[(mode + 1) % len(colors)]
    
font_name = font  # you need to specify path there
font_size = 45
font = ImageFont.truetype(font_name, font_size)

txt = input('Text: ')

w, h = font.getsize(txt)

perspective = 8

coefficients = find_coefficients(
        [(0, 0), (w, 0), (w / perspective * (perspective - 1), h), (w / perspective, h)],
        [(0, 0), (w, 0), (w, h), (0, h)])

image = Image.new('RGBA', (w, h), background)
draw = ImageDraw.Draw(image)

draw.text((0, 0), txt, fill=foreground, font=font)

save_location = os.getcwd()

image = image.transform((w, h), Image.PERSPECTIVE, coefficients, Image.BILINEAR)
image = image.resize((w, h * 40), Image.BILINEAR)

image.save(save_location + '/output.png')