using System.Collections.Generic;
using System.Collections;
using UnityEngine;
using UnityEngine.UI;
using Baidu.Aip.Ocr;
using System.IO;
//using Newtonsoft.Json.Linq;//接收返回结果 JObject
using LitJson;
//百度图片文字识别接口调用——非子萧
public class OCRIboade : MonoBehaviour
{
private string deviceName; //摄像头名称
private WebCamTexture WebCamTexture;//摄像纹理,//必须是Raw Image;改名为CameraTexture
public RawImage rawImage; //显示摄像的图片
public Image img_Show; //显示拍出来的照片
public Image img_Scan; //扫描框
private string infoLog = ""; //日志信息
private string strTempTime; //当前时间,拍照的照片名称
private static WebCamDevice[] webCamArray = null;//硬件摄像头数组
private int index = 0;
public Text debugInfo; // 显示debug信息
public Text tex_TW; // 显示图片文字识别的结果
// public Image image;
private string sss="";
private Ocr client; // 用来调用百度AI接口
// private JObject result; // 接收返回的结果
private string ApiKey = "G7h0xBIkf4xfR6NE1mfpZvF3";//此处填写自己申请的key
private string SecretKey = "gKsyBaTKp8GDAeiqG6eNrHkxbbsT4MAN";//此处填写自己申请的key
private void Awake()
{
//网页端身份安全验证失败,我们需要在程序运行时手动添加安全证书,在Awake方法中加入
System.Net.ServicePointManager.ServerCertificateValidationCallback +=
delegate (object sender, System.Security.Cryptography.X509Certificates.X509Certificate certificate,
System.Security.Cryptography.X509Certificates.X509Chain chain,
System.Net.Security.SslPolicyErrors sslPolicyErrors)
{
return true; // always accept
};
// 此处填写自己申请的key("Api Key", "Secret Key");
client = new Ocr(ApiKey, SecretKey);
rawImage.enabled = false;
img_Scan.enabled = false;
}
private void Update()
{
debugInfo.text = infoLog;
tex_TW.text=sss;
}
//通用文字识别
public void GeneralBasic()
{
// var path = Application.dataPath + "/Images/tw03.jpg";
var path = Application.dataPath + "/Resources/xxocr.jpg";
var image = File.ReadAllBytes(path);
var result = client.GeneralBasic(image);
JsonData jd0 = JsonMapper.ToObject(result.ToString());//json解析json数据
JsonData jd1 = jd0["words_result"];
foreach (JsonData jd2 in jd1)//json解析数组
{
string s31 = jd2["words"].ToString();
// Debug.Log(s31);//ok
}
int s2 = (int)jd0["words_result_num"];
for (int i = 0; i < s2; i++)
{
sss = "";
sss += jd1[i]["words"].ToString();
}
debugInfo.text = result.ToString();
Debug.Log("通用文字识别");
}
// 高精度图片文字识别..//每天限量50次,超过错误码17;
public void Accurate()
{
var path = Application.dataPath + "/Images/tw22.jpg";//要识别的文字图片=路径+文件名
// var path = Application.dataPath + "/Resources/tw01.jpg";//要识别的文字图片=路径+文件名
var image = File.ReadAllBytes(path);//要识别的文字图片
var result = client.Accurate(image);//百度文字识别
JsonData jd0 = JsonMapper.ToObject(result.ToString());//json解析json数据
JsonData jd1 = jd0["words_result"];
foreach (JsonData jd2 in jd1)//json解析数组
{
string s31 = jd2["words"].ToString();
// Debug.Log(s31);//ok
}
int s2 = (int)jd0["words_result_num"];
for (int i = 0; i < s2; i++)
{
// tex_TW.text = "";
sss += jd1[i]["words"].ToString();
}
//string s1 = jd0["log_id"].ToString();
//string s3 = jd0["words_result"].ToString();
//Debug.Log(s1);//ok
//Debug.Log(s2);//ok
//Debug.Log(s3);//ok
Debug.Log(result.ToString());
debugInfo.text = result.ToString();
Debug.Log("高精度识别");
}
//通用文字带生僻字识别
public void GeneralEnhanced()
{
var path = Application.dataPath + "/Images/tw23.jpg";
var image = File.ReadAllBytes(path);
var result = client.GeneralEnhanced(image);
debugInfo.text = result.ToString();
Debug.Log("带生僻字识别");
}
//高精度识别(带位置信息)
public void AccurateWithLocation()
{
var path = Application.dataPath + "/Images/tw13.jpg";
var image = File.ReadAllBytes(path);
var result = client.AccurateWithLocation(image);
debugInfo.text = result.ToString();
Debug.Log("高精度识别带位置");
}
// 检查获取摄像头设备
public void GetMicrophoneDevice()
{
webCamArray = WebCamTexture.devices;
if (webCamArray.Length == 0)
{
Debug.LogError("找不到摄像头硬件设备!");
ShowInfoLog("找不到摄像头硬件设备!");
return;
}
else
{
if (Application.HasUserAuthorization(UserAuthorization.WebCam))
{
Debug.Log("摄像头已经就绪,可以录像!");
ShowInfoLog("摄像头已经就绪,可以开始拍照,录像了!!");
}
else
{
Debug.Log("摄像头权限被禁止,请获取摄像头权限!");
ShowInfoLog("摄像头权限被禁止,请获取摄像头权限!");
}
}
}
//开启摄像头
public void OpenWebCam()
{
GetMicrophoneDevice();//检查摄像头设备
_WebCamTexture.Play();//开启摄像头
rawImage.GetComponent<RawImage>().texture = _WebCamTexture;//摄像头纹理渲染在屏幕上
Debug.Log("开启摄像头!");
ShowInfoLog("开启摄像头!");
}
IEnumerator Start()
{
yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
if (Application.HasUserAuthorization(UserAuthorization.WebCam))
{
webCamArray = WebCamTexture.devices;
deviceName = webCamArray[index].name;
//摄像机摄像的区域
_WebCamTexture = new WebCamTexture(deviceName, 400, 300, -112);
//_WebCamTexture.Play();
// Debug.Log("录像头运行中!!");
//ShowInfoLog("录像头运行中!");
}
}
//暂停
public void PauseWebCam()
{
_WebCamTexture.Pause();//摄像头暂停
Debug.Log("暂停摄像头!");
ShowInfoLog("暂停摄像头!");
}
//停止
public void StopWebCam()
{
_WebCamTexture.Stop();//摄像头停止
rawImage.GetComponent<RawImage>().texture = null;
Debug.Log("停止摄像头!");
ShowInfoLog("停止摄像头!");
}
//拍照,存贮照片在本地
public void Photograph()
{
StartCoroutine("GetTexture2D");//协程——获取摄像头图像,并把图片保存在本地
Debug.Log("拍照!");
ShowInfoLog("拍照!");
}
//获取摄像头图像,并把图片保存在本地
IEnumerator GetTexture2D()
{
print(GameObject.Find("CameraTexture").transform.localPosition);//摄像纹理,//必须是Raw Image;改名为CameraTexture,屏幕中摄像头纹理位置
yield return new WaitForEndOfFrame();
Texture2D t = new Texture2D(400, 300);//新,实例化一张空白长400,宽400的图片,//摄像头纹理大小
t.ReadPixels(new Rect(200, 150, 400f, 300f), 0, 0, false);//新空白图片的像素为,这个区域中的像素(摄像头在屏幕中的区域的图像)、
//参数1:200为摄像头纹理左下角距离屏幕左边的距离;参数2:150为摄像头纹理左下角距离屏幕底部的距离;参数3:400f为摄像头纹理宽度,参数4:300f为摄像头纹理高度,
t.Apply();//把像素应用在图片
//把图片数据转换为byte数组
byte[] byt = t.EncodeToPNG();
//然后保存为图片
string strTempTime = System.DateTime.Now.ToString("yyyyMMddHHmmss", System.Globalization.DateTimeFormatInfo.InvariantInfo);//当前时间,把图片命名为当前时间
// System.IO.File.WriteAllBytes(Application.dataPath + "/Resources/" + strTempTime + ".jpg", byt);//把图片保存在本地,Resources文件夹中,名字为当前时间.jpg
//System.IO.File.WriteAllBytes(Application.persistentDataPath+"/"+strTempTime + ".jpg", byt);//把图片保存在本地,文件夹中,名字为当前时间.jpg
System.IO.File.WriteAllBytes(Application.dataPath + "/Resources/xxocr.jpg", byt);//把图片保存在本地,Resources文件夹中,名字为当前时间.jpg
UnityEditor.AssetDatabase.Refresh();//刷新,使刚创建的图片立刻导入。接下来才可以被使用
//image.material.mainTexture = Resources.Load(strTempTime, typeof(Texture2D)) as Texture2D;//把拍的照片显示出来;
img_Show.material.mainTexture = Resources.Load("xxocr", typeof(Texture2D)) as Texture2D;//把拍的照片显示出来;//Resources加载不需要后缀
Debug.Log("照片保存在本地!");
ShowInfoLog("照片保存在本地!");
}
//显示日志提示信息
void ShowInfoLog(string info)
{
debugInfo.text = "";
infoLog += info;
infoLog += "\r\n";
}
//显示扫描UI
public void ShowUI()
{
img_Scan.enabled = true;//扫描框
rawImage.enabled = true;//摄像机纹理
}
//隐藏扫描UI
public void HideUI()
{
img_Scan.enabled = false;//扫描框
rawImage.enabled = false;//摄像机纹理
}
//显示UI,开启摄像头,
public void StartScan()
{
ShowUI();//显示UI
OpenWebCam();//打开摄像头
}
//拍照,识别
public void PhotoOCR()
{
Photograph();//拍照,并把照片保存在本地
//Accurate();//百度文字识别//高精度识别,每天限制50次
GeneralBasic();//百度文字识别;普通识别
// HideUI();//隐藏UI
}
}
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