image_to_bitmap.py

from PIL import Image
import numpy as np
import sys

def convert_to_bitmap(image_path, output_path):
    # Open and resize image
    img = Image.open(image_path)
    img = img.convert('RGB')
    img = img.resize((96, 64), Image.Resampling.LANCZOS)
    
    # Convert to RGB565 format
    pixels = np.array(img)
    r = (pixels[:,:,0] >> 3).astype(np.uint16) << 11
    g = (pixels[:,:,1] >> 2).astype(np.uint16) << 5
    b = (pixels[:,:,2] >> 3).astype(np.uint16)
    rgb565 = r | g | b
    
    # Create C array
    with open(output_path, 'w') as f:
        f.write('const uint16_t image_data[] = {\n')
        for y in range(64):
            f.write('    ')
            for x in range(96):
                f.write(f'0x{rgb565[y,x]:04X}, ')
            f.write('\n')
        f.write('};\n')

if __name__ == '__main__':
    if len(sys.argv) != 3:
        print("Usage: python script.py input_image output.h")
        sys.exit(1)
    convert_to_bitmap(sys.argv[1], sys.argv[2])