utils/wallpaper.py

import math

from PIL import Image


def convert_tile_to_half_drop(original_image):
    # Create a 3x3 grid
    size, _ = original_image.size

    grid_size = (3, 3)
    grid_image = Image.new('RGB', (size * grid_size[0], size * grid_size[1]))
    for i in range(grid_size[0]):
        for j in range(grid_size[1]):
            grid_image.paste(original_image, (i * size, j * size))

    # Rotate the grid 45 degrees
    rotated_grid = grid_image.rotate(45, expand=True)

    # Calculate the cropping coordinates for a 2048x2048 center square
    center = rotated_grid.size[0] // 2, rotated_grid.size[1] // 2
    crop_box = (center[0] - size, center[1] - size, center[0] + size, center[1] + size)
    cropped_image = rotated_grid.crop(crop_box)

    # Crop the 724x1448 from the top-left
    new_height = round(math.sqrt(2 * size ** 2))
    new_width = round(new_height // 2)
    final_crop = cropped_image.crop((0, 0, new_width, new_height))

    return final_crop


def generate_tile_test_arrangement(original_image):
    # Dimensions of the original image
    width, height = original_image.size

    canvas_width = width * 3
    canvas_height = height * 2

    # Create a new blank image (canvas)
    canvas = Image.new('RGB', (canvas_width, canvas_height), (255, 255, 255))  # White background

    # Paste the first image (column 1, vertically centered)
    canvas.paste(original_image, (0, (canvas_height - height) // 2))

    # Paste two images (column 2)
    canvas.paste(original_image, (width, 0))  # Top
    canvas.paste(original_image, (width, height))  # Bottom

    # Paste the third image (column 3, vertically centered)
    canvas.paste(original_image, (2 * width, (canvas_height - height) // 2))

    return canvas


def prepare_for_diamond_drop(original_image):
    width, height = original_image.size

    canvas_width = width * 2
    canvas_height = height * 2

    canvas = Image.new('RGB', (canvas_width, canvas_height), (255, 255, 255))

    # Column 1
    canvas.paste(original_image, (0, 0))
    canvas.paste(original_image, (0, height))

    # Column 2
    canvas.paste(original_image, (width, 0))
    canvas.paste(original_image, (width, height))

    return canvas

    # repeat the image, 2x2.
    # crop from the center, 1x1.