/// <summary>
/// 发送文本数据到LED
/// </summary>
/// <param name="strText">要发送的字符串，用\n分行以显示多行</param>
/// <param name="strFontName">字体名称，如宋体</param>
/// <param name="nFontSize">字体大小，显示4行数据建议字体大小为10，显示5行数据建议字体大小为9，其余大小不太适合本案</param>
/// <param name="nMethod">显示方式，建议为1。1.立即显示;2.左滚显示;3.连续上滚;4.中间向上下展开;5.中间向两边展开;6.中间向四周展开;7.向左移入;8.向右移入;9.从左向右展开;10.从右向左展开;11.右上角移入;12.右下角移入;13.左上角移入;14.左下角移入;15.从上向下移入;16.从下向上移入;17.闪 烁;</param>
/// <param name="nSpeed">显示速度（1-8），越大越快，建议为1</param>
/// <param name="nTransparent">是否透明。0=不透明 1=透明</param>
public void SendText(string text, string fontName, int fontSize, int method, int speed, int transparent)
{
int ret = LedSdk.MakeRoot(LedSdk.ROOT_PLAY, LedSdk.SCREEN_COLOR);//创建一个发送序列,以前的将被清除
if (ret == -1)
{
return;
}
ret = LedSdk.AddLeaf(86400000); //增加一个页面
if (ret == -1)
{
return;
}
LedSdk.Rectangle rect = new LedSdk.Rectangle();
Font font = new Font(fontName, fontSize);
int height = font.Height + 3;
string[] strArray = text.Split(new char[] { '\n' });
for (int i = 0; i < strArray.Length; i++)
{
ret = LedSdk.SetRect(ref rect, 0, height * i, 256, height * (i + 1));
if (ret == -1)
{
return;
}
ret = LedSdk.AddText(strArray[i], ref rect, method, speed, transparent, fontName, fontSize, 255);
if (ret == -1)
{
return;
}
}
LedSdk.LED_SendToScreen(_dev, _address, _ip, _remote_port);
}
/// <summary>
/// 关闭连接
/// </summary>
public bool Close()
{
if (_dev >= 0)
{
Status = DeviceStatus.CLOSE;
LedSdk.LED_Close(_dev);
return(true);
}
return(false);
}
/// <summary>
/// 建立和Led的连接
/// </summary>
/// <returns></returns>
public bool Open()
{
LedSdk.PDeviceParam param = new LedSdk.PDeviceParam();
param.FlowCon = 0;
param.devType = LedSdk.DEVICE_TYPE_UDP;
param.rmtPort = _remote_port;
param.locPort = _local_port;
// 建立连接
_dev = LedSdk.LED_Open(ref param, 0, 0, 0);
if (_dev == -1)
{
Status = DeviceStatus.CLOSE;
return(false);
}
else
{
Status = DeviceStatus.INIT;
return(true);
}
}
/// <summary>
/// 打开或关闭Led电源
/// </summary>
/// <param name="nPowerOn">电源状态。0=关闭，1=打开</param>
public void SetPower(int Power)
{
LedSdk.LED_SetPower(_dev, _address, _ip, _remote_port, (uint)Power);
}
