/*
*Copyright(c)2016, Jeffrey Lee
*Allrightsreserved.
*
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met: 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef CURSOR_H
#define CURSOR_H

#include "vncserv.h"

/* Cursor/XCursor encoding handling */

typedef struct
{
  union
  {
    struct
    {
      char col[SERVER_CURSOR_MAX_WIDTH*SERVER_CURSOR_MAX_HEIGHT*4];
      char mask[((SERVER_CURSOR_MAX_WIDTH+7)/8)*SERVER_CURSOR_MAX_HEIGHT];
    } cursor;
    struct
    {
      char col[((SERVER_CURSOR_MAX_WIDTH+7)/8)*SERVER_CURSOR_MAX_HEIGHT];
      char mask[((SERVER_CURSOR_MAX_WIDTH+7)/8)*SERVER_CURSOR_MAX_HEIGHT];
    } xcursor;
  };
} cursor_temp_buffer;

#define CURSOR_MAX_PACKET (sizeof(cursor_temp_buffer) + 64)

extern bool cursor_supported(vncserv *serv);

extern bool cursor_will_send(vncserv *serv, const pointer_shape *shape);

/* Requires cursor_will_send to have returned true */
extern bool cursor_send(vncserv *serv, const pointer_shape *shape, cursor_temp_buffer *temp);

#endif
