drop scanner/worker

scanner/worker/index.js

@@ -1,73 +0,0 @@
-console.log("hello from worker");
-
-let qrtool = require('qrtool.wx.js');
-
-var qrtool_ready = false;
-
-qrtool.onRuntimeInitialized = () => {
-  console.log("qrtool ready");
-  qrtool_ready = true;
-  worker.postMessage({
-    type: "ready",
-  });
-}
-
-var submit_message = null;
-
-function handle_frame(data, width, height, camera_sensitivity) {
-  if (!qrtool_ready) {
-    console.log("qrtool not ready");
-    worker.postMessage({
-      type: "result",
-      res: {
-        ok: false,
-        err: "qrtool not ready",
-      },
-      processing_time: Date.now() - begin,
-    });
-    return;
-  }
-  const begin = Date.now();
-  var uca = new Uint8ClampedArray(data);
-  var buf = qrtool._malloc(uca.length * uca.BYTES_PER_ELEMENT);
-  qrtool.HEAPU8.set(uca, buf);
-  var r = qrtool.ccall('qrtool_angle', 'string', ['number', 'number', 'number', 'number', 'number'], [buf, width, height, 0, camera_sensitivity]);
-  qrtool._free(buf);
-  console.log("r:", r);
-  var res = JSON.parse(r);
-  worker.postMessage({
-    type: "result",
-    res,
-    processing_time: Date.now() - begin,
-  });
-  if (res.ok) {
-    // Since image_data takes seconds to serialize, send it in a separate
-    // message to the UI can update with the good news
-    submit_message = {
-      type: "submit",
-      res,
-      image_data: { data, width, height },
-    };
-  }
-}
-
-worker.onMessage((msg) => {
-  console.log("worker got message", msg.type);
-  switch (msg.type) {
-    case "frame":
-      try {
-        const data = worker.getCameraFrameData();
-        if (data) {
-          handle_frame(data, msg.width, msg.height, msg.camera_sensitivity);
-        }
-      } catch (e) {
-        console.log(e);
-      }
-    break;
-    case "ready_to_submit":
-      worker.postMessage(submit_message);
-    break;
-    default:
-      console.log("Unknown message type:", msg.data.type);
-  }
-});