void white1(struct Png *image, int width_pixel) {
    for (int y = 0; y < image->height; y++) {
        png_byte *row = image->row_pointers[y];
        for (int x = 0; x < image->width; x++) {
            png_byte *ptr = &(row[x * width_pixel]);
            if (ptr[0] == 255 && ptr[1] == 255 && ptr[2] == 255){
                paint_pixel_white(image, x+1, y, 3, 0, 0, 0);
                paint_pixel_white(image, x, y+1, 3, 0, 0, 0);
                paint_pixel_white(image, x+1, y-1, 3, 0, 0, 0);
                paint_pixel_white(image, x, y-1, 3, 0, 0, 0);
                paint_pixel_white(image, x-1, y, 3, 0, 0, 0);
                paint_pixel_white(image, x-1, y-1, 3, 0, 0, 0);
                paint_pixel_white(image, x-1, y+1, 3, 0, 0, 0);
                paint_pixel_white(image, x+1, y+1, 3, 0, 0, 0);
            }

        }
    }
}