Text Art

empty_circles_PIL.py

from PIL import Image, ImageDraw, ImageFont
from random import randint as rand

# Get the font we want from our OS
# create an image big enough to hold the text
# write on the image
img_font = ImageFont.truetype("courbd.ttf", 280) # Courier New, Bold; Windows 7
im = Image.new("RGB", (2560, 640), "white")
img_draw = ImageDraw.Draw(im)
img_draw.text((0, 0), "Hello World", font=img_font, fill="black")

width, height = im.size

# We're going to go through each pixel to set the image boundaries
# if the pixel is not white (255, 255, 255), adjust the boundaries
max_x = 0
max_y = 0
min_x = width
min_y = height

pixels = im.load()

for x in range(width):
    for y in range(height):
        cpixel = pixels[x, y]
        if cpixel != (255, 255, 255):
            if x < min_x:
                min_x = x
            if x > max_x:
                max_x = x
            if y < min_y:
                min_y = y
            if y > max_y:
                max_y = y

im_cropped = im.crop((min_x, min_y, max_x+1, max_y+1))

# Create a function to draw circles on an image

def draw_ellipse(image, location, radius, c, line_width=1):
    x, y = location
    # image.ellipse((x-r, y-r, x+r, y+r), fill=c)  # Uncomment for filled circles
    for i in range(line_width):  # There's no line width option, so draw concentric circles 1 pixel apart
        r = radius + i - 1
        image.ellipse((x-r, y-r, x+r, y+r), outline=c)
    
colors = (
          (244, 11, 38),
          (244, 51, 4),
          (192, 2, 2),
          (114, 0, 0),
          (65, 0, 0),
          )
# Pick your favorite color scheme
#  https://kuler.adobe.com/Chrysanthemum-color-theme-3948781/edit/?copy=true

margin = 10  # Circles originating from pixels on the edge will hang outside

# Create a new blank Image and ImageDraw object to draw the circles
im_ellipses = Image.new("RGB", (max_x-min_x+margin*2, max_y-min_y+margin*2), "white")
im_draw_ellipse = ImageDraw.Draw(im_ellipses)

w, h = im_cropped.size
pixels = im_cropped.load()
for x in range(w):
    for y in range(h):
        cpixel = pixels[x, y]
        denominator = 45  # 1 /  denominator = likelihood of a circle forming. Higher number, less circles
        if rand(1, denominator) == 1 and cpixel != (255, 255, 255):
            draw_ellipse(im_draw_ellipse, 
                        (x+margin, y+margin), 
                        rand(1,3)*1.5, 
                        colors[rand(0,4)], 
                        rand(1,3.0))

fn_ellipse = "text_test_circles.png"
im_ellipses.save(fn_ellipse, "PNG")

#  http://i.imgur.com/MokbIHa.png


"""
#  Display in IPython Notebooks
from IPython.display import display
from IPython.display import Image as IPyImage
display(IPyImage(filename=fn_ellipse))
"""