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e randr2 - provide lookup funcs for screen and dpi

This commit is contained in:
Carsten Haitzler 2015-12-29 11:52:58 +09:00
parent b6214b9846
commit e183ffa748
2 changed files with 27 additions and 0 deletions
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24
src/bin/e_randr2.c
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@ -1215,3 +1215,27 @@ out:
}
e_xinerama_screens_set(all_screens);
}
E_API E_Randr2_Screen *
e_randr2_screen_id_find(const char *id)
{
Eina_List *l;
E_Randr2_Screen *s;
EINA_LIST_FOREACH(e_randr2->screens, l, s)
{
if (!strcmp(id, s->id)) return s;
}
return NULL;
}
E_API double
e_randr2_screen_dpi_get(E_Randr2_Screen *s)
{
double dpi1, dpi2;
if ((s->info.size.w <= 0) || (s->info.size.h <= 0)) return 0.0;
dpi1 = (25.4 * (double)(s->config.mode.w)) / (double)(s->info.size.w);
dpi2 = (25.4 * (double)(s->config.mode.h)) / (double)(s->info.size.h);
return (dpi1 + dpi2) / 2.0;
}

3
src/bin/e_randr2.h
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@ -123,5 +123,8 @@ E_API void e_randr2_screeninfo_update(void);
E_API void e_randr2_screen_refresh_queue(Eina_Bool lid_event);
E_API E_Config_Randr2_Screen *e_randr2_config_screen_find(E_Randr2_Screen *s, E_Config_Randr2 *cfg);
E_API void e_randr2_screens_setup(int rw, int rh);
E_API E_Randr2_Screen *e_randr2_screen_id_find(const char *id);
E_API double e_randr2_screen_dpi_get(E_Randr2_Screen *s);
#endif
#endif