sdl_vglmouse.c

MPEG-4编解码的实现(包括MPEG4视音频编解码)

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997, 1998, 1999, 2000  Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga
    [e-mail]
*/

#ifdef SAVE_RCSID
static char rcsid =
 "@(#) $Id: SDL_vglmouse.c,v 1.3 2002/04/22 21:38:05 wmay Exp $";
#endif

#include <stdio.h>

#include "SDL_error.h"
#include "SDL_mouse.h"
#include "SDL_events_c.h"
#include "SDL_vglvideo.h"
#include "SDL_vglmouse_c.h"


/* The implementation dependent data for the window manager cursor */
struct WMcursor {
	int unused;
};


void VGL_FreeWMCursor(_THIS, WMcursor *cursor)
{
	return;
}

WMcursor *VGL_CreateWMCursor(_THIS,
		Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y)
{
	return(NULL);
}

int VGL_ShowWMCursor(_THIS, WMcursor *cursor)
{
	return(0);
}

void VGL_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
{
	x += (this->screen->offset % this->screen->pitch) /
	      this->screen->format->BytesPerPixel;
	y += (this->screen->offset / this->screen->pitch);
	SDL_PrivateMouseMotion(0, 0, x, y);
}