int ball_join_handler()

in tutorials/libguac-client-ball/src/ball.c [82:153]
37 lines of code
1 McCabe index (conditional complexity)

int ball_join_handler(guac_user* user, int argc, char** argv) {

    /* Get client associated with user */
    guac_client* client = user->client;

    /* Get ball layer from client data */
    ball_client_data* data = (ball_client_data*) client->data;
    guac_layer* ball = data->ball;

    /* Get user-specific socket */
    guac_socket* socket = user->socket;

    /* Send the display size */
    guac_protocol_send_size(socket, GUAC_DEFAULT_LAYER, 1024, 768);

    /* Create background tile */
    guac_layer* texture = guac_client_alloc_buffer(client);

    guac_protocol_send_rect(socket, texture, 0, 0, 64, 64);
    guac_protocol_send_cfill(socket, GUAC_COMP_OVER, texture,
            0x88, 0x88, 0x88, 0xFF);

    guac_protocol_send_rect(socket, texture, 0, 0, 32, 32);
    guac_protocol_send_cfill(socket, GUAC_COMP_OVER, texture,
            0xDD, 0xDD, 0xDD, 0xFF);

    guac_protocol_send_rect(socket, texture, 32, 32, 32, 32);
    guac_protocol_send_cfill(socket, GUAC_COMP_OVER, texture,
            0xDD, 0xDD, 0xDD, 0xFF);

    /* Prepare a curve which covers the entire layer */
    guac_protocol_send_rect(socket, GUAC_DEFAULT_LAYER,
            0, 0, 1024, 768);

    /* Fill curve with texture */
    guac_protocol_send_lfill(socket,
            GUAC_COMP_OVER, GUAC_DEFAULT_LAYER,
            texture);

    /* Set up ball layer */
    guac_protocol_send_size(socket, ball, 128, 128);

    /* Prepare a circular curve */
    guac_protocol_send_arc(socket, data->ball,
            64, 64, 62, 0, 6.28, 0);

    guac_protocol_send_close(socket, data->ball);

    /* Draw a 4-pixel black border */
    guac_protocol_send_cstroke(socket,
            GUAC_COMP_OVER, data->ball,
            GUAC_LINE_CAP_ROUND, GUAC_LINE_JOIN_ROUND, 4,
            0x00, 0x00, 0x00, 0xFF);

    /* Fill the circle with color */
    guac_protocol_send_cfill(socket,
            GUAC_COMP_OVER, data->ball,
            0x00, 0x80, 0x80, 0x80);

    /* Free texture (no longer needed) */
    guac_client_free_buffer(client, texture);

    /* Mark end-of-frame */
    guac_protocol_send_sync(socket, client->last_sent_timestamp);

    /* Flush buffer */
    guac_socket_flush(socket);

    /* User successfully initialized */
    return 0;

}