void frame2(struct Png *image, int thick, int width_pixel, int r, int g, int b) {
    int new_width = image->width + thick * 1;
    int new_height = image->height + thick * 1;
    png_byte **new_mas = (png_byte **) malloc(sizeof(png_byte * ) * new_height);
    for (int y = 0; y < new_height; y++)
        new_mas[y] = (png_byte *) malloc(sizeof(png_byte) * new_width * width_pixel);

    for (int y = 0; y < new_height; y++) {
        png_byte *new_row = new_mas[y];
        for (int x = 0; x < new_width; x++) {
            png_byte *new_ptr = &(new_row[x * width_pixel]);
            new_ptr[0] = r;
            new_ptr[1] = g;
            new_ptr[2] = b;
        }
    }
    for (int y = thick; y < (new_height - 1*thick); y++) {
        png_byte *row = image->row_pointers[y];
        png_byte *new_row = new_mas[y];
        for (int x = thick; x < (new_width - 1*thick); x++) {
            png_byte *ptr = &(row[x * width_pixel]);
            png_byte *new_ptr = &(new_row[x * width_pixel]);
            new_ptr[0] = ptr[0];
            new_ptr[1] = ptr[1];
            new_ptr[2] = ptr[2];
        }
    }
    image->row_pointers = new_mas;
    image->width = new_width;
    image->height = new_height;
}