rt-thread-official/rtgui/server/driver.c

68 lines
1.7 KiB
C

/*
* File : driver.c
* This file is part of RTGUI in RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-10-04 Bernard first version
*/
#include <rtgui/driver.h>
struct rtgui_list_node _rtgui_graphic_driver_list = {RT_NULL};
void rtgui_graphic_driver_add(struct rtgui_graphic_driver* driver)
{
rtgui_list_insert(&_rtgui_graphic_driver_list, &(driver->list));
}
void rtgui_graphic_driver_remove(struct rtgui_graphic_driver* driver)
{
rtgui_list_remove(&_rtgui_graphic_driver_list, &(driver->list));
}
struct rtgui_graphic_driver* rtgui_graphic_driver_find(char* name)
{
struct rtgui_list_node* node;
struct rtgui_graphic_driver* driver;
/* search in list */
rtgui_list_foreach(node, &(_rtgui_graphic_driver_list))
{
driver = rtgui_list_entry(node, struct rtgui_graphic_driver, list);
/* find it */
if (rt_strncmp(driver->name, name, RTGUI_NAME_MAX) == 0)
{
return driver;
}
}
return RT_NULL;
}
struct rtgui_graphic_driver* rtgui_graphic_driver_get_default()
{
return rtgui_list_entry(_rtgui_graphic_driver_list.next,
struct rtgui_graphic_driver, list);
}
void rtgui_graphic_driver_get_rect(struct rtgui_graphic_driver *driver, rtgui_rect_t *rect)
{
if (rect == RT_NULL || driver == RT_NULL) return;
rect->x1 = rect->y1 = 0;
rect->x2 = driver->width;
rect->y2 = driver->height;
}
void rtgui_graphic_driver_get_default_rect(rtgui_rect_t *rect)
{
/* return default the extent of default driver */
rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), rect);
}