dispdigit.c

采用MINIGUI开发的一套GUI界面

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <pwd.h>
#include <math.h>
#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>
#include <minigui/control.h>
#include <sys/types.h>
#include <sys/shm.h>
#include <sys/ipc.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "common.h"
#include "fonts.h"
#include "dispdigit.h"

//通过channel_disp结构体中
//color   
//tagname,
//unit来传递参数
void DrawDigitalRect(HDC hdc,int i, int  l, int  t, int w, int h)
{
unsigned char str[10];
int id;
	gal_pixel colorl_text;  	
	id=i;
       colorl_text=RGB2Pixel(hdc,0,0,0);//PIXEL_lightgray
       SetPenColor (hdc,PIXEL_lightgray);//COLOR_darkgray
       Rectangle(hdc, l, t, l + w, t + h);   //channel_disp[id].color  


	SetBrushColor(hdc,channel_disp[id].color); //RGB2Pixel(hmemDC,id*30,128,abs(8-id)*64)
	
       FillBox(hdc, l+1, t+1, w-1, h-1); 
	   

       SelectFont(hdc,songgb16font); //设置字体
       
      TextOut(hdc,l+w/2,t+h/2,channel_disp[id].data);
	bzero(str,10);
	sprintf(str,"%ds",channel_conf[id].interval);
      TextOut(hdc,l+w-30,t+h-16,str);//采样时间间隔
	
	memcpy(str,channel_conf[id].name,sizeof(channel_conf[id].name));

       TextOut(hdc,l,t,str);//channel_disp[id].tagname
       TextOut(hdc,l+w-30,t,channel_conf[id].unit);//单位
} 

/*
根据通道个数计算出坐标,大小

根据坐标，大小，颜色显示

入口:当前页计数器，当前页显示的个数
number:总共启用的通道数目

*/
void DrawDigital(HDC hdc,int first,int number,int add_x,int add_h)
{
     int i;
     int  x,y,w,h;
	 int add_y,add_w;

     HDC hmemDC;
     gal_pixel rect_color_back;    
     hmemDC=CreateCompatibleDC(hdc);  
     SetBrushColor(hmemDC,PIXEL_black);//PIXEL_lightwhite
     SetBkMode(hmemDC,BM_TRANSPARENT);
	 add_w=WIDTH-add_x;
     FillBox(hmemDC,add_x,TOP,add_w,add_h);
	 	 
   //  SetBkMode(hmemDC,PIXEL_lightwhite);
     for (i=first;i<number+first;i++)
       {
       x=channel_disp[i].x;
       y=channel_disp[i].y;
       w=channel_disp[i].width;
       h=channel_disp[i].height;
       DrawDigitalRect(hmemDC,i,x,y,w,h);
       }
     BitBlt(hmemDC,0,TOP,add_w,add_h,hdc,add_x,TOP,0);//
     DeleteCompatibleDC(hmemDC);
//  rect_color_back=RGB2Pixel(hdc,0,0,100);
//  SetBrushColor(hdc,rect_color_back);  
//  FillBox(hdc,1,1,WIDTH,TOP);
  
}
//刚进入此页面时候调用通道坐标生成
//设置显示坐标
void SetCoordinate(int first,int n,int x,int h)
{
  int channum;
  int rows;
  int cols;
  int i;//行计数器
  int j;//列计数器
  int r;//余数
  int LastRowCols;
  int sn;
  int temp_row;
  unsigned char tempstr[20];
unsigned   int y,w;
  y=TOP;
  w=WIDTH-x;

  //规范化
if( first<0)first=0;
//加入n=1那么cols=1,rows=1

/*设置坐标*/
  channum=n;
  cols=sqrt(channum);//列
  rows=channum/cols;
  r=channum-(cols*rows); /*余数*/
 while((r>0)&&((r<=cols/2) ||( r>cols)))
 {
  	cols=cols+1; 
	rows=channum/cols;
       r=channum-(cols*rows);
  }  
 //正好整除
  if(cols*rows==channum)
  {
     for(i=0;i<rows;i++)
	 	
        for(j=0;j<cols;j++)
        {sn=first+i*cols+j;
              channel_disp[sn].x=j*w/cols;
              channel_disp[sn].y=i*h /rows+y;
              channel_disp[sn].width=w/cols-1;
              channel_disp[sn].height=h /rows-1;
    }	
  }
  if(cols*rows<channum)
  {
    for(i=0;i<rows;i++)
    	{
	    for(j=0;j<cols;j++)
           {sn=first+i*cols+j;
		
              channel_disp[sn].x=j*w/cols;
              channel_disp[sn].y=i*h/(rows+1)+y;
              
		if(j==(cols-1))channel_disp[sn].width=w/cols-1;	
		else channel_disp[sn].width=w/cols;
              channel_disp[sn].height=h /(rows+1);
	    }
    	}
  		LastRowCols=channum-cols*(rows);
 		 for(i=1;i<=LastRowCols;i++)
    		 {
    		 sn=cols*(rows)+i-1;	
		if(i==LastRowCols){ 
	              channel_disp[sn].x=(i-1)*w/LastRowCols-1;
		       channel_disp[sn].width=w/LastRowCols+1;
			}
		else	{
			channel_disp[sn].x=(i-1)*w/LastRowCols;
		       channel_disp[sn].width=w/LastRowCols;		
			}
            channel_disp[sn].y=h-h /(rows+1)+y;
	     channel_disp[sn].height=h /(rows+1);
	   }        
   }
            
}