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view src/video/Xext/extensions/Xinerama.h @ 3473:7bdc10624cba

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This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 07:14:21 +0000
parents c121d94672cb
children
line wrap: on
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/* $XFree86: xc/include/extensions/Xinerama.h,v 3.2 2000/03/01 01:04:20 dawes Exp $ */

#ifndef _Xinerama_h
#define _Xinerama_h

#include "SDL_name.h"

typedef struct
{
    int screen_number;
    short x_org;
    short y_org;
    short width;
    short height;
} SDL_NAME(XineramaScreenInfo);

Bool SDL_NAME(XineramaQueryExtension) (Display * dpy,
                                       int *event_base, int *error_base);

Status SDL_NAME(XineramaQueryVersion) (Display * dpy, int *major, int *minor);

Bool SDL_NAME(XineramaIsActive) (Display * dpy);


/* 
   Returns the number of heads and a pointer to an array of
   structures describing the position and size of the individual
   heads.  Returns NULL and number = 0 if Xinerama is not active.
  
   Returned array should be freed with XFree().
*/

SDL_NAME(XineramaScreenInfo) *
SDL_NAME(XineramaQueryScreens) (Display * dpy, int *number);

#endif /* _Xinerama_h */
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