Create vertical images

vertical.py

from PIL import Image
import glob
import os


def resize_and_center_image(input_image_path, output_image_path):
    # Open the input image
    img = Image.open(input_image_path)

    # Calculate the new height preserving the aspect ratio
    aspect_ratio = img.height / img.width
    new_width = 800
    new_height = int(new_width * aspect_ratio)

    # Resize the image
    img_resized = img.resize((new_width, new_height), Image.ANTIALIAS)

    # Create a new image with a transparent background
    new_img = Image.new("RGBA", (1080, 1920), (255, 0, 0, 0))

    # Calculate the position to center the resized image
    x = (1080 - new_width) // 2
    y = (1920 - new_height) // 2

    # Paste the resized image onto the transparent background
    new_img.paste(img_resized, (x, y), img_resized)

    # Save the output image
    new_img.save(output_image_path)


def process_all_pngs_in_directory(directory):
    # Find all PNG files in the directory
    png_files = glob.glob(os.path.join(directory, "*.png"))

    for input_image_path in png_files:
        # Generate a new output path by adding a suffix before the file extension
        base, ext = os.path.splitext(input_image_path)
        output_image_path = f"{base}-vertical{ext}"

        resize_and_center_image(input_image_path, output_image_path)
        print(f"Processed {input_image_path} and saved as {output_image_path}")


# Example usage
process_all_pngs_in_directory(".")