draw.c

来自「基于GPRS的远程温度采集控制系统, 嵌入式系统, C源代码, 供做嵌入式开发及」· C语言 代码 · 共 45 行

/*******************************************************************
//Microwindows绘图演示程序.zhang kaohua 2003.12.2
*******************************************************************/
#define MWINCLUDECOLORS
#include<stdio.h>
#include"nano-X.h"
#include<unistd.h>
static GR_WINDOW_ID w;//声明根窗口
static GR_WINDOW_ID we;
//static GR_EVENT event;
static GR_GC_ID gc;//声明根窗口上下文

int drawM(char* str)
  {
    
   if (GrOpen()<0)
    {
     printf("Can't open graphics\n");
     exit(1);
    }
 
    
    w=GrNewWindow(GR_ROOT_WINDOW_ID,10,10,300,200,3,GREEN,RED);//实例化根窗口
    gc=GrNewGC();//实例化上下文
    GrMapWindow(w);//显示窗口

    GrSetGCForeground(gc,YELLOW);
    GrSetGCBackground(gc,GREEN);
    GrText(w,gc,30,30,"Room 1:",-1,GR_TFASCII);
    GrText(w,gc,60,100,"Temperature=",-1,GR_TFASCII);
    GrText(w,gc,140,100,str,-1,GR_TFASCII);
    GrText(w,gc,190,100,"`C",-1,GR_TFASCII);
    we=GrNewWindow(w,260,10,30,20,1,YELLOW,BLUE);
    GrMapWindow(we);
    GrSetGCForeground(gc,GREEN);
    GrSetGCBackground(gc,YELLOW);
    GrText(we,gc,2,15,"EXIT",-1,GR_TFASCII);
  //GrSelectEvents(we,GR_EVENT_MASK_EXPOSURE | GR_EVENT_MASK_BUTTON_DOWN);
    sleep(5);
    GrUnmapWindow(w);//显示窗口
    GrClose();
    return 0;
}