/*
*********************************************************************************************************
*????????????????????????????????????????????????uC/GUI
*????????????????????????Universal?graphic?software?for?embedded?applications
*
*???????????????????????（c）?Copyright?2002?Micrium?Inc.?Weston?FL
*???????????????????????（c）?Copyright?2002?SEGGER?Microcontroller?Systeme?GmbH
*
*??????????????礐/GUI?is?protected?by?international?copyright?laws.?Knowledge?of?the
*??????????????source?code?may?not?be?used?to?write?a?similar?product.?This?file?may
*??????????????only?be?used?in?accordance?with?a?license?and?should?not?be?redistributed
*??????????????in?any?way.?We?appreciate?your?understanding?and?fairness.
*
----------------------------------------------------------------------
File????????:?GUIArcAA.C
Purpose?????:?Draw?Arc?routines?with?Antialiasing
---------------------------END-OF-HEADER------------------------------
*/

#include?
#include?
#include?
#include?

#include?“GUI_Protected.h“

#if?GUI_SUPPORT_AA

/*********************************************************************
*
*???????Static?code
*
**********************************************************************
*/
/*********************************************************************
*
*???????_DrawArcAA
*/
static?void?_DrawArcAA（int?x0?int?y0?int?rx?int?ry?int?a0?int?a1）?{
??int?PenSizePrev?=?GUI_GetPenSize（）;
??int?PenSize_AA;
??int?Factor;

??Factor?=?GUI_Context.AA_HiResEnable???1?:?GUI_Context.AA_Factor;
??/*?Convert?into?Hires?coordinates?（if?not?already?done）?*/
??x0?*=?Factor;
??y0?*=?Factor;
??rx?*=?Factor;
??ry?*=?Factor;
??PenSize_AA?=?PenSizePrev?*?GUI_Context.AA_Factor;
??GUI_AA_Init_HiRes（x0?-?rx?-?PenSize_AA?x0?+?rx?+?PenSize_AA）;
??GUI_SetPenSize（PenSize_AA）;
??GL_DrawArc（x0?y0?rx?rya0a1）;
??GUI_SetPenSize（PenSizePrev）;??????????/*?restore?former?pen?size?*/
??/*?Cleanup?*/
??GUI_AA_Exit（）;
}

/*********************************************************************
*
*???????Public?code
*
**********************************************************************
*/
/*********************************************************************
*
*???????GUI_AA_DrawArc
*/
void?GUI_AA_DrawArc（int?x0?int?y0?int?rx?int?ry?int?a0?int?a1）?{
??GUI_LOCK（）;
??#if?（GUI_WINSUPPORT）
????WM_ADDORG_AA（x0y0）;
????WM_ITERATE_START（NULL）?{
??#endif
??_DrawArcAA（?x0?y0?rx?ry?a0?a1）;
??#if?（GUI_WINSUPPORT）
????}?WM_ITERATE_END（）;
??#endif
??GUI_UNLOCK（）;
}

#else????????????????????????????/*?Avoid?problems?with?empty?object?modules?*/
??void?GUIAAArc_C（void）;
??void?GUIAAArc_C（void）?{}
#endif?/*?GUI_SUPPORT_AA?*/

/***************************?End?of?file?****************************/