linux c 获取屏幕信息,Linux c 编程获取屏幕分辨率
我没学过内核级programming,但是如果是在X下的话,以下代码来自XCB官方。#include#includeintmain(){/*OpentheconnectiontotheXserver.UsetheDISPLAYenvironmentvariable*/inti,screenNum;xcb_connection_t*connection=xcb_...
我没学过内核级programming,但是如果是在X下的话,以下代码来自XCB官方。
#include
#include
int
main ()
{
/* Open the connection to the X server. Use the DISPLAY environment variable */
int i, screenNum;
xcb_connection_t *connection = xcb_connect (NULL, &screenNum);
/* Get the screen whose number is screenNum */
const xcb_setup_t *setup = xcb_get_setup (connection);
xcb_screen_iterator_t iter = xcb_setup_roots_iterator (setup);
// we want the screen at index screenNum of the iterator
for (i = 0; i root);
printf (" width.........: %dn", screen->width_in_pixels);
printf (" height........: %dn", screen->height_in_pixels);
printf (" white pixel...: %ldn", screen->white_pixel);
printf (" black pixel...: %ldn", screen->black_pixel);
printf ("n");
return 0;
}
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