Create images with centered text (PIL)

centered_text.py

from PIL import Image, ImageDraw, ImageFont
from textwrap import wrap

def get_y_and_heights(text_wrapped, dimensions, margin, font):
    """Get the first vertical coordinate at which to draw text and the height of each line of text"""
    # https://stackoverflow.com/a/46220683/9263761
    ascent, descent = font.getmetrics()

    # Calculate the height needed to draw each line of text (including its bottom margin)
    line_heights = [
        font.getmask(text_line).getbbox()[3] + descent + margin
        for text_line in text_wrapped
    ]
    # The last line doesn't have a bottom margin
    line_heights[-1] -= margin

    # Total height needed
    height_text = sum(line_heights)

    # Calculate the Y coordinate at which to draw the first line of text
    y = (dimensions[1] - height_text) // 2

    # Return the first Y coordinate and a list with the height of each line
    return (y, line_heights)


FONT_FAMILY = "arial.ttf"
WIDTH = 2800
HEIGHT = 2800
FONT_SIZE = 250
V_MARGIN =  40
CHAR_LIMIT = 12
BG_COLOR = "black"
TEXT_COLOR = "white"

text = "This is centered text"

# Create the font
font = ImageFont.truetype(FONT_FAMILY, FONT_SIZE)
# New image based on the settings defined above
img = Image.new("RGB", (WIDTH, HEIGHT), color=BG_COLOR)
# Interface to draw on the image
draw_interface = ImageDraw.Draw(img)

# Wrap the `text` string into a list of `CHAR_LIMIT`-character strings
text_lines = wrap(text, CHAR_LIMIT)
# Get the first vertical coordinate at which to draw text and the height of each line of text
y, line_heights = get_y_and_heights(
    text_lines,
    (WIDTH, HEIGHT),
    V_MARGIN,
    font
)

# Draw each line of text
for i, line in enumerate(text_lines):
    # Calculate the horizontally-centered position at which to draw this line
    line_width = font.getmask(line).getbbox()[2]
    x = ((WIDTH - line_width) // 2)

    # Draw this line
    draw_interface.text((x, y), line, font=font, fill=TEXT_COLOR)

    # Move on to the height at which the next line should be drawn at
    y += line_heights[i]

# Save the resulting image
img.save("result.png")

Thank you very much for this!