/// <summary>
/// 将三枚预登记指纹模板合并成一枚登记模板
/// </summary>
/// <param name="dbHandle">算法操作句柄</param>
/// <param name="temp1">预登记指纹模板 1</param>
/// <param name="temp2">预登记指纹模板 2</param>
/// <param name="temp3">预登记指纹模板 3</param>
/// <param name="regTemp">返回登记模板</param>
/// <returns></returns>
public static ErrorCode DBMerge(IntPtr dbHandle, byte[] temp1, byte[] temp2, byte[] temp3, byte[] regTemp)
{
if (IntPtr.Zero == dbHandle)
{
return(ErrorCode.InvalidHandle);
}
int regTempLen = regTemp.Length;
IntPtr intPtr = Marshal.AllocHGlobal(temp1.Length);
Marshal.Copy(temp1, 0, intPtr, temp1.Length);
IntPtr intPtr2 = Marshal.AllocHGlobal(temp2.Length);
Marshal.Copy(temp2, 0, intPtr2, temp2.Length);
IntPtr intPtr3 = Marshal.AllocHGlobal(temp3.Length);
Marshal.Copy(temp3, 0, intPtr3, temp3.Length);
IntPtr intPtr4 = Marshal.AllocHGlobal(regTemp.Length);
int num = ZkfpPlus.ZKFPM_GenRegTemplate(dbHandle, intPtr, intPtr2, intPtr3, intPtr4, ref regTempLen);
if (num == (int)ErrorCode.OK)
{
Marshal.Copy(intPtr4, regTemp, 0, regTempLen);
}
Marshal.FreeHGlobal(intPtr);
Marshal.FreeHGlobal(intPtr2);
Marshal.FreeHGlobal(intPtr3);
Marshal.FreeHGlobal(intPtr4);
return((ErrorCode)num);
}
/// <summary>
/// 关闭设备
/// </summary>
/// <param name="devHandle">设备句柄</param>
/// <returns></returns>
public static ErrorCode CloseDevice(ref IntPtr devHandle)
{
int code = ZkfpPlus.ZKFPM_CloseDevice(devHandle);
devHandle = IntPtr.Zero;
return((ErrorCode)code);
}
/// <summary>
/// 清空内存中所有指纹模板
/// </summary>
/// <param name="dbHandle">算法操作句柄</param>
/// <returns></returns>
public static ErrorCode DBClear(IntPtr dbHandle)
{
if (IntPtr.Zero == dbHandle)
{
return(ErrorCode.InvalidHandle);
}
return((ErrorCode)ZkfpPlus.ZKFPM_ClearDBCache(dbHandle));
}
/// <summary>
/// 从内存中删除一枚登记模板
/// </summary>
/// <param name="dbHandle">算法操作句柄</param>
/// <param name="fid">指纹 ID(1:N 识别成功返回指纹 ID)</param>
/// <returns></returns>
public static ErrorCode DBDel(IntPtr dbHandle, int fid)
{
if (IntPtr.Zero == dbHandle)
{
return(ErrorCode.InvalidHandle);
}
return((ErrorCode)ZkfpPlus.ZKFPM_DelRegTemplateFromDBCache(dbHandle, (uint)fid));
}
/// <summary>
/// 添加一枚登记模板到内存
/// </summary>
/// <param name="dbHandle">算法操作句柄</param>
/// <param name="fid">指纹 ID(1:N 识别成功返回指纹 ID)</param>
/// <param name="regTemp">登记模板</param>
/// <returns></returns>
public static ErrorCode DBAdd(IntPtr dbHandle, int fid, byte[] regTemp)
{
if (IntPtr.Zero == dbHandle)
{
return(ErrorCode.InvalidHandle);
}
IntPtr intPtr = Marshal.AllocHGlobal(regTemp.Length);
Marshal.Copy(regTemp, 0, intPtr, regTemp.Length);
int result = ZkfpPlus.ZKFPM_AddRegTemplateToDBCache(dbHandle, (uint)fid, intPtr, (uint)regTemp.Length);
Marshal.FreeHGlobal(intPtr);
return((ErrorCode)result);
}
/// <summary>
/// 获取参数
/// </summary>
/// <param name="devHandle">设备句柄</param>
/// <param name="code">参数代码(见附录说明)</param>
/// <param name="paramValue">参数值</param>
/// <returns></returns>
public static ErrorCode GetParameters(IntPtr devHandle, ParamCode code, byte[] paramValue)
{
if (IntPtr.Zero == devHandle)
{
return(ErrorCode.InvalidHandle);
}
int size = paramValue.Length;
IntPtr intPtr = Marshal.AllocHGlobal(size);
int num = ZkfpPlus.ZKFPM_GetParameters(devHandle, (int)code, intPtr, ref size);
if (num == (int)ErrorCode.OK)
{
Marshal.Copy(intPtr, paramValue, 0, size);
}
Marshal.FreeHGlobal(intPtr);
return((ErrorCode)num);
}
/// <summary>
/// 采集指纹图像
/// </summary>
/// <param name="devHandle">设备句柄</param>
/// <param name="imgbuf">返回图像（数组大小为 imageWidth*imageHeight）</param>
/// <returns></returns>
public static ErrorCode AcquireFingerprintImage(IntPtr devHandle, byte[] imgbuf)
{
if (IntPtr.Zero == devHandle)
{
return(ErrorCode.InvalidHandle);
}
IntPtr intPtr = Marshal.AllocHGlobal(imgbuf.Length);
int num = ZkfpPlus.ZKFPM_AcquireFingerprintImage(devHandle, intPtr, (uint)imgbuf.Length);
if (num == (int)ErrorCode.OK)
{
Marshal.Copy(intPtr, imgbuf, 0, imgbuf.Length);
}
Marshal.FreeHGlobal(intPtr);
return((ErrorCode)num);
}
/// <summary>
/// 从 BMP 或者 JPG 文件提取模板
/// </summary>
/// <param name="dbHandle">算法操作句柄</param>
/// <param name="FileName">文件全路径</param>
/// <param name="DPI">图像 DPI</param>
/// <param name="template">返回指纹模板(建议预分配 2048Bytes)</param>
/// <param name="size">[in]template 数组长度, [out] 实际返回指纹模板长度</param>
/// <returns></returns>
public static ErrorCode ExtractFromImage(IntPtr dbHandle, string FileName, int DPI, byte[] template, ref int size)
{
if (IntPtr.Zero == dbHandle)
{
return(ErrorCode.NotInit);
}
IntPtr intPtr = Marshal.AllocHGlobal(template.Length);
int num = ZkfpPlus.ZKFPM_ExtractFromImage(dbHandle, FileName, DPI, intPtr, ref size);
if (num == (int)ErrorCode.OK)
{
Marshal.Copy(intPtr, template, 0, size);
}
Marshal.FreeHGlobal(intPtr);
return((ErrorCode)num);
}
/// <summary>
/// 设置参数
/// </summary>
/// <param name="devHandle">设备句柄</param>
/// <param name="code">参数代码(见附录说明)</param>
/// <param name="pramValue">参数值</param>
/// <returns></returns>
public static ErrorCode SetParameters(IntPtr devHandle, ParamCode code, byte[] pramValue)
{
if (devHandle == IntPtr.Zero)
{
return(ErrorCode.InvalidHandle);
}
if (pramValue == null)
{
return(ErrorCode.InvalidParam);
}
IntPtr intPtr = Marshal.AllocHGlobal(pramValue.Length);
Marshal.Copy(pramValue, 0, intPtr, pramValue.Length);
int result = ZkfpPlus.ZKFPM_SetParameters(devHandle, (int)code, intPtr, pramValue.Length);
Marshal.FreeHGlobal(intPtr);
return((ErrorCode)result);
}
/// <summary>
/// 1:1 比对两枚指纹
/// </summary>
/// <param name="dbHandle">算法操作句柄</param>
/// <param name="temp1">比对模板 1</param>
/// <param name="temp2">比对模板 2</param>
/// <returns>>=0 表示比对分数，其他失败（见错误代码说明）</returns>
public static int DBMatch(IntPtr dbHandle, byte[] temp1, byte[] temp2)
{
if (IntPtr.Zero == dbHandle)
{
return((int)ErrorCode.InvalidHandle);
}
IntPtr intPtr = Marshal.AllocHGlobal(temp1.Length);
Marshal.Copy(temp1, 0, intPtr, temp1.Length);
IntPtr intPtr2 = Marshal.AllocHGlobal(temp2.Length);
Marshal.Copy(temp2, 0, intPtr2, temp2.Length);
int result = ZkfpPlus.ZKFPM_MatchFinger(dbHandle, intPtr, (uint)temp1.Length, intPtr2, (uint)temp2.Length);
Marshal.FreeHGlobal(intPtr);
Marshal.FreeHGlobal(intPtr2);
return(result);
}
/// <summary>
/// 采集指纹
/// </summary>
/// <param name="devHandle">设备句柄</param>
/// <param name="imgBuffer">返回图像（数组大小为 imageWidth*imageHeight）</param>
/// <param name="template">返回指纹模板(建议预分配 2048Bytes)</param>
/// <returns></returns>
public static ErrorCode AcquireFingerprint(IntPtr devHandle, byte[] imgBuffer, byte[] template)
{
if (IntPtr.Zero == devHandle)
{
return(ErrorCode.InvalidHandle);
}
int size = template.Length;
IntPtr intPtr = Marshal.AllocHGlobal(imgBuffer.Length);
IntPtr intPtr2 = Marshal.AllocHGlobal(size);
int num = ZkfpPlus.ZKFPM_AcquireFingerprint(devHandle, intPtr, (uint)imgBuffer.Length, intPtr2, ref size);
if (num == (int)ErrorCode.OK)
{
Marshal.Copy(intPtr, imgBuffer, 0, imgBuffer.Length);
Marshal.Copy(intPtr2, template, 0, size);
}
Marshal.FreeHGlobal(intPtr);
Marshal.FreeHGlobal(intPtr2);
return((ErrorCode)num);
}
/// <summary>
/// 初始化算法库
/// </summary>
/// <returns>算法操作句柄</returns>
public static IntPtr DBInit()
{
return(ZkfpPlus.ZKFPM_CreateDBCache());
}
/// <summary>
/// 连接设备
/// </summary>
/// <param name="index">设备索引(0~n,n 为设备数-1)</param>
/// <returns>返回设备句柄</returns>
public static IntPtr OpenDevice(int index)
{
return(ZkfpPlus.ZKFPM_OpenDevice(index));
}
/// <summary>
/// 获取连接设备数
/// </summary>
/// <returns>返回设备数</returns>
public static int GetDeviceCount()
{
return(ZkfpPlus.ZKFPM_GetDeviceCount());
}
/// <summary>
/// 释放算法库
/// </summary>
/// <param name="dbHandle">算法操作句柄</param>
/// <returns></returns>
public static ErrorCode DBFree(IntPtr dbHandle)
{
return((ErrorCode)ZkfpPlus.ZKFPM_ClearDBCache(dbHandle));
}
/// <summary>
/// 初始化库
/// </summary>
/// <returns>0 成功，其他失败（见错误代码说明）</returns>
public static ErrorCode Init()
{
return((ErrorCode)ZkfpPlus.ZKFPM_Init());
}
/// <summary>
/// 释放库资源
/// </summary>
/// <returns>0 成功，其他失败（见错误代码说明）</returns>
public static ErrorCode Terminate()
{
return((ErrorCode)ZkfpPlus.ZKFPM_Terminate());
}
