camera

lunard · Aug 9, 2019 · 0ea09a6 · 0ea09a6
1 parent 604a189
commit 0ea09a6
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Showing 4 changed files with 123 additions and 38 deletions.
diff --git a/client/public/index.html b/client/public/index.html
@@ -1,7 +1,6 @@
 <!DOCTYPE html>
 <html lang="en">
   <head>
-    <script src="./renderer.js"></script>
     <meta charset="utf-8" />
     <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />

diff --git a/client/src/App.css b/client/src/App.css
@@ -1,33 +1,36 @@
-.App {
-  text-align: center;
+.camera-video {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  width: 100%;
+  height: 100%;
+  display: block;
+  z-index: 1;
+  background-color: #000;
 }
-
-.App-logo {
-  animation: App-logo-spin infinite 20s linear;
-  height: 40vmin;
-  pointer-events: none;
-}
-
-.App-header {
-  background-color: #282c34;
-  min-height: 100vh;
+.camera-pic {
+  position: fixed;
   display: flex;
-  flex-direction: column;
-  align-items: center;
   justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
-}
-
-.App-link {
-  color: #61dafb;
+  z-index: 2;
 }
-
-@keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
+.camera-pic img {
+  height: 100%;
 }
+.camera-button {
+  width: 100px;
+  height: 100px;
+  border-radius: 200px;
+  background-color: #bbb;
+  color: #000;
+  z-index: 3;
+  position: fixed;
+  left: 50%;
+  margin-left: -50px;
+  bottom: 20px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
diff --git a/client/src/containers/camera.jsx b/client/src/containers/camera.jsx
@@ -1,12 +1,84 @@
-import React, { useRef } from 'react';
-
-const Camera = ({ next }) => {
-  return (
-    <div>
-      <h1>Camera</h1>
-      <button onClick={next}>TAKE</button>
-    </div>
-  );
+import React from 'react';
+import $ from 'jquery';
+
+var params = {
+  returnFaceId: 'false',
+  returnFaceLandmarks: 'false',
+  returnFaceAttributes: 'age,gender,emotion',
+};
+
+class Camera extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = { img: null, loading: false };
+    this.video = React.createRef();
+    this.take = this.take.bind(this);
+  }
+
+  componentDidMount() {
+    if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
+      navigator.mediaDevices.getUserMedia({ video: true }).then(stream => {
+        this.video.current.srcObject = stream;
+        this.video.current.play();
+      });
+    } else {
+      console.error('No media devices found');
+    }
+  }
+
+  take() {
+    const next = this.props.next;
+    const canvas = document.createElement('canvas');
+    canvas.width = this.video.current.offsetWidth;
+    canvas.height = this.video.current.offsetHeight;
+    const context = canvas.getContext('2d');
+    context.drawImage(this.video.current, 0, 0, canvas.width, canvas.height);
+    const data = canvas.toDataURL('image/jpeg');
+    this.setState({ img: data });
+    const faceAPIKey = new URLSearchParams(window.location.search).get(
+      'faceAPIKey'
+    );
+    this.video.current.pause();
+    this.setState({ loading: true });
+    fetch(data)
+      .then(res => res.blob())
+      .then(blobData => {
+        $.post({
+          url:
+            'https://westeurope.api.cognitive.microsoft.com/face/v1.0/detect?' +
+            $.param(params),
+          contentType: 'application/octet-stream',
+          headers: {
+            'Ocp-Apim-Subscription-Key': '1d33abc84bdb49d5b34870cda25e724b',
+          },
+          processData: false,
+          data: blobData,
+        })
+          .done(function(data) {
+            var faceResult = {
+              peopleCount: data.length,
+            };
+            next();
+            console.log('Face API result: ', faceResult, data);
+          })
+          .fail(function(err) {
+            this.setState({ loading: false });
+            console.error('Face API error');
+          });
+      });
+  }
+
+  render() {
+    const { img, loading } = this.state;
+    return (
+      <div>
+        <video className="camera-video" ref={this.video} id="video" autoPlay />
+        {!loading ? <div className="camera-button" onClick={this.take}>
+          TAKE
+        </div> : <div>loading</div>}
+      </div>
+    );
+  }
 }
 
 export default Camera;
diff --git a/package-lock.json b/package-lock.json