97 lines
2.4 KiB
C#
97 lines
2.4 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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using ZXing;
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using static System.Net.Mime.MediaTypeNames;
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///扫描二维码（）=》识别二维码信息
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public class QRCodeScanning : MonoBehaviour
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{
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BarcodeReader BarcodeReader;//库文件的对象（二维码信息保存的位置）
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private bool isScanning = false;//扫描开关
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private float interval = 3;//扫描识别时间间隔
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private WebCamTexture WebCamTexture;//摄像机映射纹理
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private Color32[] data;//让信息以像素点的形式 按照数据存放
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public Button Sacnning;//扫描Button
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public RawImage CameraTexture;//摄像机映射显示区域
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public UnityEngine.UI.Text text;//用来显示扫描的信息
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private void Start()
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{
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if (Sacnning != null)
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{
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Sacnning.onClick.AddListener(SacnningButton);
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}
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}
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private void Update()
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{
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if (isScanning)//每三秒扫描一次
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{
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interval += Time.deltaTime;
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if (interval >= 3)
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{
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interval = 0;
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SacnQRCode();//开始扫描
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}
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}
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}
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/// <summary>
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/// 识别二维码信息
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/// </summary>
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void SacnQRCode()
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{
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data = WebCamTexture.GetPixels32();//获取摄像机中的像素点数组的信息
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Result result = BarcodeReader.Decode(data, WebCamTexture.width, WebCamTexture.height);//获取二维码上的信息
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if (result != null)//判断是否有信息 有则识别成功
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{
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text.text = result.Text;//显示 二维码上的信息
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isScanning = false;//关闭识别
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WebCamTexture.Stop();//停止识别
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Sacnning.onClick.AddListener(SacnningButton);
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}
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}
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/// <summary>
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/// Sacnning按钮
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/// </summary>
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void SacnningButton()
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{
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Sacnning.onClick.RemoveListener(SacnningButton);
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DeviceInit();//开始摄像机
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isScanning = true;//打开扫描开关
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text.text = null;//清空文本
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}
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/// <summary>
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/// 开启摄像机 前期准备工作
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/// </summary>
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void DeviceInit()
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{
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WebCamDevice[] devices = WebCamTexture.devices;//获取所有摄像机的硬件 比如前置 后置
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WebCamTexture = new WebCamTexture(devices[0].name, 300, 300);//创建一个摄像机显示的区域 （device[0]一般是后置摄像头，400,300为大小）
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CameraTexture.texture = WebCamTexture;//显示图片信息
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WebCamTexture.Play();//打开摄像机进行识别
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BarcodeReader = new BarcodeReader();//实例化二维码信息，并存储对象
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}
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} |