/****************************************************************************************************************/
/***************************************************画图*******************************************************/
public void draw_pic()//画图
{
Bitmap my_bitmap = new Bitmap("ModbusBase.bmp");
Graphics my_pic = Graphics.FromImage(my_bitmap);
SizeF d = new SizeF();
int line_width = 1;//画笔宽度
Pen my_pen = new Pen(Brushes.Red, line_width);
label5.Text = "颗粒物:" + Convert.ToString(ShowData[0]);
label6.Text = "二氧化硫:" + Convert.ToString(ShowData[1]);
label7.Text = "氮氧化物:" + Convert.ToString(ShowData[2]);
for (int i = 0; i < 3; i++)
{
j节目config tmp = (j节目config)d数据格式[i]; //从config找到第i个数据的格式
string str_temp = ShowData[i].ToString("f" + tmp.dat_point.ToString()); //数据标准化
/*MeasureString方法，只要指定了字体和字符串后，用这个方法就能获得一个矩形的区域，
* 这个区域是Graphics对象用DrawString方法在空间表面绘制字符串时所要的区域。*/
d = my_pic.MeasureString(str_temp, new Font(tmp.FontName, tmp.FontSize, FontStyle.Bold));
draw_string(my_pic, str_temp, tmp.left, tmp.top, tmp.FontSize);
}
if (File.Exists("new.bmp")) //如果已经存在
{
File.Delete("new.bmp");
}
my_bitmap.Save("new.bmp");
FileStream fs = new FileStream("new.bmp", FileMode.Open, FileAccess.Read); //获取图片文件流
Image img = Image.FromStream(fs); // 文件流转换成Image格式
pictureBox1.Image = img; //给 图片框设置要显示的图片
fs.Close(); // 关闭流，释放图片资源
my_bitmap.Dispose();
}
public void load_para()//载入参数
{
{
/// load colum
string filepath1 = Application.ExecutablePath;
filepath1 = filepath1.Substring(0, filepath1.LastIndexOf('\\'));
string inipath = filepath1 + "\\" + "config.txt";
FileStream fs = new FileStream(inipath, FileMode.Open);
StreamReader sw = new StreamReader(fs, Encoding.Default);
string str = "";//屏幕参数设置
str = sw.ReadLine();
string[] aa = str.Split(',');
try
{
led大屏设置.ip = aa[1];
led大屏设置.width = Convert.ToInt16(aa[2]);
led大屏设置.height = Convert.ToInt16(aa[3]);
led大屏设置.FontColor = Convert.ToInt16(aa[4]);
}
catch { MessageBox.Show("读取大屏幕设置出错"); }
str = sw.ReadLine();//ModBus串口监听设置
aa = str.Split(',');
try
{
serialPort1.PortName = aa[1];
serialPort1.Open();
serialPort1.BaudRate = 57600;
}
catch { MessageBox.Show("打开" + aa[0] + "设备端口出错"); }
str = sw.ReadLine();//定时器设置
aa = str.Split(',');
try
{
timer1.Interval = Convert.ToInt16(aa[1]) * 1000;
timer1.Enabled = true;
}
catch { MessageBox.Show("设置定时器出错"); }
//读取数据格式
d数据格式.Clear(); //读取数据格式
str = sw.ReadLine();
for (int k = 0; k < 3; k++)
{
aa = str.Split(',');
try
{
j节目config tmp = new j节目config();
tmp.left = Convert.ToInt16(aa[1]);
tmp.top = Convert.ToInt16(aa[2]);
tmp.FontName = (aa[3]);
tmp.FontSize = Convert.ToInt16(aa[4]);
tmp.dat_min = Convert.ToInt16(aa[5]);
tmp.dat_max = Convert.ToInt16(aa[6]);
tmp.dat_point = Convert.ToInt16(aa[7]);
d数据格式.Add(tmp);
str = sw.ReadLine();
}
catch { MessageBox.Show("读取数据格式信息出错"); }
}
sw.Close();
}
// init show
}
