/***********************************************************************************************************                                                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        : GUI_DrawPolyLine.cPurpose     : Implementation of GUI_DrawPolyline (part of emWin GSC)---------------------------END-OF-HEADER------------------------------*/#include <stddef.h>           /* needed for definition of NULL */#include "GUI_Protected.H"/* Draw Poly line, which does not have to be a closed shape */static void _DrawPolyLine (const GUI_POINT*pPoints, int NumPoints, int x0, int y0) {  GL_MoveTo(pPoints->x+x0, pPoints->y+y0);  while (--NumPoints >0) {    pPoints++;    GL_DrawLineTo(pPoints->x+x0, pPoints->y+y0);  }}void GUI_DrawPolyLine     (const GUI_POINT* pPoints, int NumPoints, int x0, int y0) {  GUI_LOCK();  #if (GUI_WINSUPPORT)    WM_ADDORG(x0,y0);    WM_ITERATE_START(NULL); {  #endif  _DrawPolyLine (pPoints, NumPoints, x0, y0);  #if (GUI_WINSUPPORT)    } WM_ITERATE_END();  #endif  GUI_UNLOCK();}