/// <summary>
/// 初始化算法
/// </summary>
/// <param name="width">分辨率宽</param>
/// <param name="height">分辨率高</param>
/// <returns></returns>
public bool InitAlgorithm(Int32 width, Int32 height)
{
if (this.IsValid)
{
return(false);
}
bool retVal = false;
try
{
// 初始化算法配参
MvSBcChannelParam param = new MvSBcChannelParam();
//param.Width = width;
//param.Height = height;
param.Width = width / 2 + 1;
param.Height = height / 2 + 1;
int sz = bcCalMemSize(ref param);
MvBarCodeGlobalVar.Log.InfoFormat("bcCalMemSize:{0}", sz.ToString());
_hHandle = Marshal.AllocHGlobal(sz);
if (_hHandle != IntPtr.Zero)
{
// 初始化参数算法参数
int re = bcInit(_hHandle, ref param);
MvBarCodeGlobalVar.Log.InfoFormat("bcInit return:{0}", re.ToString());
retVal = true;
_bValid = true;
}
}
catch (Exception e)
{
MvBarCodeGlobalVar.Log.Error("初始化算法失败 Marshal.AllocHGlobal(sz)", e);
}
return(retVal);
}
private static extern int bcCalMemSize(ref MvSBcChannelParam param);
private static extern int bcInit(IntPtr hHandle, ref MvSBcChannelParam pParam);