#Created by Justin Healy
#Based on logic from jsheperd from https://stackoverflow.com/a/27753869/190597

from __future__ import print_function
import string
from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw
import numpy as np

def char_to_pixels(text, path, fontsize):
   
    font = ImageFont.truetype(path, fontsize) 
    w, h = font.getsize(text)  
    image = Image.new('L', (w, h), 1)  
    draw = ImageDraw.Draw(image)
    draw.text((0, 0), text, font=font) 
    arr = np.asarray(image)
    arr = np.where(arr, 0, 1)
    arr = arr[(arr != 0).any(axis=1)]
    return arr

def display(arr):
    result = np.where(arr, '#', ' ')
    #print("This gives an Array of Arrays, where reach contained Array is a row")
    #print(result)
    #print()
    print('\n'.join([''.join(row) for row in result]))

#I have used static coding successfully, now to set this as more reusable declarations rather than hard coding.
#Single Source to change for everything
#Read from file?    
fileName = "/home/pi/Documents/pilReadTest"
pullFile =  open(fileName,"r")  
someString = pullFile.read()
#Font Path?
fontPath = "/usr/share/fonts/truetype/freefont/FreeMonoBold.ttf"
#font Size?
fontSize = 12
#print("This was what was found in the File: "+str(someString))
#print()
#print("Now putting each letter of the found string through the PIL Image Module")
#print()
for c in someString:
    arr = char_to_pixels(c,fontPath,fontSize)
    #print()
    #This is the grid size results (w,h)
    #print(arr.shape)
    #print()
    #print("This is the converted values of the AofAs, for each ROW in Result, the end product")
    display(arr)
    print()