C++ (Cpp) libinput_device_config_calibration_get_default_matrix Beispiele

Beispiel #1

Datei: libinput-list-devices.c Projekt: freedesktop-unofficial-mirror/wayland__libinput

static char *
calibration_default(struct libinput_device *device)
{
	char *str;
	float calibration[6];

	if (!libinput_device_config_calibration_has_matrix(device)) {
		asprintf(&str, "n/a");
		return str;
	}

	if (libinput_device_config_calibration_get_default_matrix(device,
						  calibration) == 0) {
		asprintf(&str, "identity matrix");
		return str;
	}

	asprintf(&str,
		 "%.2f %.2f %.2f %.2f %.2f %.2f",
		 calibration[0],
		 calibration[1],
		 calibration[2],
		 calibration[3],
		 calibration[4],
		 calibration[5]);
	return str;
}

Beispiel #2

Datei: ecore_drm_evdev.c Projekt: caivega/efl

static void 
_device_calibration_set(Ecore_Drm_Evdev *edev)
{
   const char *sysname;
   float cal[6];
   const char *device;
   Eina_List *devices;
   const char *vals;
   enum libinput_config_status status;

   if ((!libinput_device_config_calibration_has_matrix(edev->device)) || 
       (libinput_device_config_calibration_get_default_matrix(edev->device, cal) != 0))
     return;

   sysname = libinput_device_get_sysname(edev->device);

   devices = eeze_udev_find_by_subsystem_sysname("input", sysname);
   if (eina_list_count(devices) < 1) return;

   EINA_LIST_FREE(devices, device)
     {
        vals = eeze_udev_syspath_get_property(device, "WL_CALIBRATION");
	if ((!vals) || 
            (sscanf(vals, "%f %f %f %f %f %f",
                    &cal[0], &cal[1], &cal[2], &cal[3], &cal[4], &cal[5]) != 6))
          goto cont;

        cal[2] /= edev->output->current_mode->width;
        cal[5] /= edev->output->current_mode->height;

        status = 
          libinput_device_config_calibration_set_matrix(edev->device, cal);

        if (status != LIBINPUT_CONFIG_STATUS_SUCCESS)
          ERR("Failed to apply calibration");

cont:
        eina_stringshare_del(device);
        continue;
     }