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