public void Draw()
{
List <byte> byteList = new List <byte>();
//设置字体大小
XingKongScreen.SetFontSize((int)FontSize);
//生成坐标数据
IEnumerable <byte> left = BitConverter.GetBytes(Left).Reverse();
IEnumerable <byte> top = BitConverter.GetBytes(Top).Reverse();
//生成字符串数据
byte[] str = Encoding.GetEncoding("GBK").GetBytes(Text);
IEnumerable <byte> length = BitConverter.GetBytes((short)(9 + str.Length + 1 + 4)).Reverse();
byteList.Add(0xA5);
byteList.AddRange(length);
byteList.Add(0x30);
byteList.AddRange(left);
byteList.AddRange(top);
byteList.AddRange(str);
byteList.Add(0x00);
byteList.AddRange(new byte[] { 0xCC, 0x33, 0xC3, 0x3C });
byte checkByte = XingKongScreen.getCheckByte(byteList);
byteList.Add(checkByte);
object asyncLockObj = XingKongScreen.AsyncLockObj;
lock (asyncLockObj)
{
XingKongScreen.Write(byteList);
}
NeedDraw = false;
}
public static void DrawLine(Point from, Point to)
{
byte[] command = new byte[] { 0xA5, 0x00, 0x11, 0x22, 0x00, 0x0A, 0x00, 0x0A, 0x00, 0xFF, 0x00, 0xFF, 0xCC, 0x33, 0xC3, 0x3C, 0x96 };
IEnumerable <byte> fx = BitConverter.GetBytes((short)(from.X));
IEnumerable <byte> fy = BitConverter.GetBytes((short)(from.Y));
IEnumerable <byte> tx = BitConverter.GetBytes((short)(to.X));
IEnumerable <byte> ty = BitConverter.GetBytes((short)(to.Y));
command[4] = fx.ElementAt(1);
command[5] = fx.ElementAt(0);
command[6] = fy.ElementAt(1);
command[7] = fy.ElementAt(0);
command[8] = tx.ElementAt(1);
command[9] = tx.ElementAt(0);
command[10] = ty.ElementAt(1);
command[11] = ty.ElementAt(0);
byte checkbyte = XingKongScreen.getCheckByte(command, true);
command[16] = checkbyte;
XingKongScreen.Write(command);
}
