init - 初始化项目

modules/js/perf/base.js

@@ -0,0 +1,38 @@
+if (typeof window === 'undefined') {
+  var cv = require("../opencv");
+  if (cv instanceof Promise) {
+    loadOpenCV();
+  } else {
+    cv.onRuntimeInitialized = perf;
+  }
+}
+
+let gCvSize;
+
+function getCvSize() {
+  if (gCvSize === undefined) {
+    gCvSize = {
+      szODD: new cv.Size(127, 61),
+      szQVGA: new cv.Size(320, 240),
+      szVGA: new cv.Size(640, 480),
+      szSVGA: new cv.Size(800, 600),
+      szqHD: new cv.Size(960, 540),
+      szXGA: new cv.Size(1024, 768),
+      sz720p: new cv.Size(1280, 720),
+      szSXGA: new cv.Size(1280, 1024),
+      sz1080p: new cv.Size(1920, 1080),
+      sz130x60: new cv.Size(130, 60),
+      sz213x120: new cv.Size(120 * 1280 / 720, 120),
+    };
+  }
+
+  return gCvSize;
+}
+
+async function loadOpenCV() {
+  cv = await cv;
+}
+
+if (typeof window === 'undefined') {
+  exports.getCvSize = getCvSize;
+}