GUI_DrawPolyline.c
上传用户:zbk8730
上传日期:2017-08-10
资源大小:12168k
文件大小:2k
- /*
- *********************************************************************************************************
- * 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.c
- Purpose : 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();
- }