2dgl_drawpolygon.c

来自「ucOS 的商业版本源代码及相关开发的一些资料」· C语言 代码 · 共 71 行

/*
*********************************************************************************************************
*                                                礐/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2000, 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        : 2DGL_DrawPolygon.c
* Purpose     : 礐/GUI sample code for drawing a polygon
*********************************************************************************************************
*/


#include "gui.h"

/*******************************************************************
*
*           The points of the arrow
*
********************************************************************
*/

static const GUI_POINT aPointArrow[] = {
  {  0,  -5},
  {-40, -35},
  {-10, -25},
  {-10, -85},
  { 10, -85},
  { 10, -25},
  { 40, -35},
};

/*******************************************************************
*
*               Draws a polygon
*
********************************************************************
*/

static void DrawPolygon(void) {
  int Cnt =0;
  GUI_SetBkColor(GUI_WHITE);
  GUI_Clear();
  GUI_SetFont(&GUI_Font8x16);
  GUI_SetColor(0x0);
  GUI_DispStringAt("Polygons of arbitrary shape ", 0, 0);
  GUI_DispStringAt("in any color", 120, 20);
  GUI_SetColor(GUI_BLUE);
  /* Draw filled polygon */
  GUI_FillPolygon (&aPointArrow[0],7,100,100);
}

/*******************************************************************
*
*                 main
*
********************************************************************
*/

void main(void) {
  GUI_Init();
  DrawPolygon();
  while(1)
    GUI_Delay(100);
}