質問編集履歴
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コードをアップしました
test
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test
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@@ -38,6 +38,164 @@
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###現在のコード
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```HTML
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45
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<div class="picturePreview">
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<div id="videoPreview"></div>
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<div id="canvasPreview"></div>
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<form>
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<button type="button" id="shutter" class="video-preview-btn" onclick="Snap();">撮影</button>
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</form>
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<form>
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<button type="button" id="save-picture" class="video-preview-btn" onclick="Save();">保存</button>
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</form>
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</div>
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```
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```javascript
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const cameraSize = { w: 600, h: 400 };
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const resolution = { w: 1080, h: 720 };
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76
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let video;
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let media;
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83
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// video要素をつくる
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85
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video = document.createElement('video');
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video.id = 'video';
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video.width = cameraSize.w;
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video.height = cameraSize.h;
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video.autoplay = true;
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document.getElementById('videoPreview').appendChild(video);
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// video要素にWebカメラの映像を表示させる
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media = navigator.mediaDevices.getUserMedia({
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audio: false,
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video: {
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width: { ideal: resolution.w },
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height: { ideal: resolution.h }
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}
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}).then(function(stream) {
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video.srcObject = stream;
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}).catch(function (error) {
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console.error('mediaDevice.getUserMedia() error:', error);
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return;
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});
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}
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function Snap(){
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const canvasSize = { w: 600, h: 400 };
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let canvas;
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let canvasCtx;
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var retake;
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// canvas要素をつくる
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canvas = document.createElement('canvas');
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canvas.id = 'canvas';
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canvas.width = canvasSize.w;
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canvas.height = canvasSize.h;
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document.getElementById('canvasPreview').appendChild(canvas);
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// コンテキストを取得する
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canvasCtx = canvas.getContext('2d');
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canvasCtx.drawImage(video, 0, 0, canvas.width, canvas.height);
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const tracks = document.getElementById('video').srcObject.getTracks();
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tracks.forEach(track => {
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track.stop();
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});
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}
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function Save(){
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const picture = canvas.toDataURL("image/png");
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//色々調べてここで止まっています。
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```
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①pictureをサーバー側に送信する方法が分かりません。
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197
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198
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41
199
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### 補足情報（FW/ツールのバージョンなど）
|
|
42
200
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43
201
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