Linux-CPF_Inter/CPF_Cef/Devices/Fingerprint.cs

using AKSWebBrowser.Commen;
using CPF.Controls;
using CPF.Linux;
using CPF.Windows;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Timers;

namespace AksWebBrowser.Devices
{
    //apt-get  install gcc-c++ libstdc++-devel
    public class Fingerprint
    {
        public static int td = -1, pnWidth = 0, pnHeight = 0, init = -1;
        public static string callback = string.Empty, FileName = string.Empty;
        //开启定时
        public static System.Timers.Timer timer = new System.Timers.Timer(500);

        public Fingerprint() { }

        //读取指纹
        public static string LIVESCANFinger(string code)
        {
            try
            {
                init = LibFingerprint.LIVESCAN_Init();
                if (init == 1)
                {
                    Log.Info("初始化指纹成功");
                    td = LibFingerprint.LIVESCAN_GetChannelCount();
                    if (td > 0)
                    {
                        Log.Info("获得采集器通道数量成功");
                        int pnBright = 254;
                        int status = LibFingerprint.LIVESCAN_GetBright(td, ref pnBright);
                        Log.Info(" 获得采集器当前的亮度:" + status);
                        Log.Info(" 获得采集器当前的亮度:" + pnBright);
                        int pnContrast = 254;
                        status = LibFingerprint.LIVESCAN_GetContrast(td, ref pnContrast);
                        Log.Info(" 获得采集器当前对比度:" + status);
                        Log.Info(" 获得采集器当前对比度:" + pnBright);

                        int pnWidth = 0, pnHeight = 0;
                        status = LibFingerprint.LIVESCAN_GetMaxImageSize(td, ref pnWidth, ref pnHeight);
                        Log.Info(" 获得采集器采集图像的宽度、高度的最大值:" + status);
                        Log.Info(" 获得采集器采集图像的宽度、高度的最大值:" + pnWidth + "*" + pnHeight);
                        byte[] pszDesc = new byte[1024];
                        status = LibFingerprint.LIVESCAN_GetDesc(pszDesc);
                        Log.Info("获得接口规范的说明:" + status);
                        Log.Info("获得接口规范的说明返回数据:" + Encoding.UTF8.GetString(pszDesc));

                        MessageBox.Show("转变采集");

                        string time = DateTime.Now.ToString("yyyyMMddHHmmss", DateTimeFormatInfo.InvariantInfo);
                        FileName = "/tmp/" + time + ".bmp";
                        timer.Stop();
                        timer.Elapsed += OnTimedEvent;
                        timer.AutoReset = true;//重复执行
                        timer.Enabled = true;//启动定时器
                    }
                    else
                    {
                        Log.Info("获得采集器通道数量失败");
                    }
                    Task.Run(() =>
                    {
                        LibFingerprint.LIVESCAN_Close();
                    });
                }
                else
                {
                    Log.Info("初始化指纹失败,错误代码：" + init);
                }
            }
            catch (Exception ex)
            {
                if (init == 1)
                {
                    Task.Run(() =>
                    {
                        LibFingerprint.LIVESCAN_Close();
                    });
                }
                Log.Error("读取指纹异常：" + ex.Message);
            }

            return "";
        }

        //定时任务
        private static void OnTimedEvent(object sender, ElapsedEventArgs e)
        {
            try
            {
                int status = LibFingerprint.LIVESCAN_BeginCapture(td);
                byte[] pRawData = new byte[pnWidth * pnHeight];
                status = LibFingerprint.LIVESCAN_GetFPRawData(td, pRawData);
                //status = LibFingerprint.LIVESCAN_GetFPBmpData(td, Encoding.UTF8.GetBytes(FileName));
                if (status == 1)
                {
                    Log.Info("采集一帧图像:" + Encoding.UTF8.GetString(pRawData));
                    Log.Info("获取指纹成功");
                    timer.Stop();
                    Log.Info("停止采集");
                }
                LibFingerprint.LIVESCAN_EndCapture(td);
            }
            catch (Exception ex)
            {
                Log.Error("定时读取指纹异常：" + ex.Message);
                timer.Stop();
            }
        }
    }
    class LibFingerprint
    {
        //初始化指纹
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_Init", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_Init();

        //关闭
        [DllImport("libID_FprCap", EntryPoint = " LIVESCAN_Close", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_Close();

        //获得采集器通道数量
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_GetChannelCount", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_GetChannelCount();

        //设置采集器当前的亮度
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_SetBright", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_SetBright(int nChannel, int nBright);

        //设置采集器当前对比度
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_SetContrast", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_SetContrast(int nChannel, int nContrast);

        //获得采集器当前的亮度
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_GetBright", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_GetBright(int nChannel, ref int pnBright);

        //获得采集器当前对比度
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_GetContrast", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_GetContrast(int nChannel, ref int pnContrast);

        // 获得采集器采集图像的宽度、高度的最大值
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_GetMaxImageSize", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_GetMaxImageSize(int nChannel, ref int pnWidth, ref int pnHeight);

        //获得当前图像的采集位置、宽度和高度
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_GetCaptWindow", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_GetCaptWindow(int nChannel, ref int pnOriginX, ref int pnOriginY, ref int pnWidth, ref int pnHeight);

        //设置当前图像的采集位置、宽度和高度
        [DllImport("libID_FprCap", EntryPoint = " LIVESCAN_SetCaptWindow", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_SetCaptWindow(int nChannel, int nOriginX, int nOriginY, int nWidth, int nHeight);

        //调用采集器的属性设置对话框
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_Setup", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_Setup();

        //采集器是否支持设置对话框
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_IsSupportSetup", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_IsSupportSetup();

        //准备采集一帧图像
        [DllImport("libID_FprCap", EntryPoint = "LIVESCAN_BeginCapture", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_BeginCapture(int nChannel);

        //采集一帧图像
        [DllImport("libID_FprCap", EntryPoint = " LIVESCAN_GetFPRawData", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_GetFPRawData(int nChannel, byte[] pRawData);

        //采集一帧 BMP 格式图像数据
        [DllImport("libID_FprCap", EntryPoint = " LIVESCAN_GetFPBmpData", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_GetFPBmpData(int nChannel, byte[] pBmpData);
        //结束采集一帧图像
        [DllImport("libID_FprCap", EntryPoint = " LIVESCAN_EndCapture", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_EndCapture(int nChannel);

        //获得接口规范的说明
        [DllImport("libID_FprCap", EntryPoint = " LIVESCAN_GetDesc", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = false, CallingConvention = CallingConvention.Cdecl)]
        public static extern int LIVESCAN_GetDesc(byte[] pszDesc);
    }
}