Add router debugging keys

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

.gitea/workflows/dev-build.yaml

@@ -13,6 +13,8 @@ jobs:
         uses: actions/checkout@v4
       - name: Install node modules
         run: npm install
+      - name: Add build number
+        run: sed -i 's/####/#${{ github.run_number }}/' ./src/js/store.js
       - name: Build pwa
         run: npm run build
       - name: Replace previous dev pwa

package-lock.json

@@ -1,16 +1,16 @@
 {
   "name": "alvinn",
-  "version": "0.5.0-rc",
+  "version": "0.5.0-alpha",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "alvinn",
-      "version": "0.5.0-rc",
+      "version": "0.5.0-alpha",
       "hasInstallScript": true,
       "license": "UNLICENSED",
       "dependencies": {
-        "@tensorflow/tfjs": "^4.17.0",
+        "@tensorflow/tfjs": "^4.21.0",
         "dom7": "^4.0.6",
         "framework7": "^8.3.0",
         "framework7-icons": "^5.0.5",
@@ -3354,16 +3354,17 @@
       }
     },
     "node_modules/@tensorflow/tfjs": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs/-/tfjs-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs/-/tfjs-4.21.0.tgz",
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+      "license": "Apache-2.0",
       "dependencies": {
-        "@tensorflow/tfjs-backend-cpu": "4.17.0",
+        "@tensorflow/tfjs-backend-cpu": "4.21.0",
-        "@tensorflow/tfjs-backend-webgl": "4.17.0",
+        "@tensorflow/tfjs-backend-webgl": "4.21.0",
-        "@tensorflow/tfjs-converter": "4.17.0",
+        "@tensorflow/tfjs-converter": "4.21.0",
-        "@tensorflow/tfjs-core": "4.17.0",
+        "@tensorflow/tfjs-core": "4.21.0",
-        "@tensorflow/tfjs-data": "4.17.0",
+        "@tensorflow/tfjs-data": "4.21.0",
-        "@tensorflow/tfjs-layers": "4.17.0",
+        "@tensorflow/tfjs-layers": "4.21.0",
         "argparse": "^1.0.10",
         "chalk": "^4.1.0",
         "core-js": "3.29.1",
@@ -3375,9 +3376,10 @@
       }
     },
     "node_modules/@tensorflow/tfjs-backend-cpu": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-4.21.0.tgz",
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+      "license": "Apache-2.0",
       "dependencies": {
         "@types/seedrandom": "^2.4.28",
         "seedrandom": "^3.0.5"
@@ -3386,15 +3388,16 @@
         "yarn": ">= 1.3.2"
       },
       "peerDependencies": {
-        "@tensorflow/tfjs-core": "4.17.0"
+        "@tensorflow/tfjs-core": "4.21.0"
       }
     },
     "node_modules/@tensorflow/tfjs-backend-webgl": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-4.21.0.tgz",
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+      "license": "Apache-2.0",
       "dependencies": {
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+        "@tensorflow/tfjs-backend-cpu": "4.21.0",
         "@types/offscreencanvas": "~2019.3.0",
         "@types/seedrandom": "^2.4.28",
         "seedrandom": "^3.0.5"
@@ -3403,21 +3406,23 @@
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       },
       "peerDependencies": {
-        "@tensorflow/tfjs-core": "4.17.0"
+        "@tensorflow/tfjs-core": "4.21.0"
       }
     },
     "node_modules/@tensorflow/tfjs-converter": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-converter/-/tfjs-converter-4.17.0.tgz",
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+      "license": "Apache-2.0",
       "peerDependencies": {
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+        "@tensorflow/tfjs-core": "4.21.0"
       }
     },
     "node_modules/@tensorflow/tfjs-core": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-core/-/tfjs-core-4.17.0.tgz",
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+      "license": "Apache-2.0",
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@@ -3434,28 +3439,31 @@
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       "version": "2019.7.3",
       "resolved": "https://registry.npmjs.org/@types/offscreencanvas/-/offscreencanvas-2019.7.3.tgz",
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+      "license": "MIT"
     },
     "node_modules/@tensorflow/tfjs-data": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-data/-/tfjs-data-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-data/-/tfjs-data-4.21.0.tgz",
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+      "license": "Apache-2.0",
       "dependencies": {
         "@types/node-fetch": "^2.1.2",
         "node-fetch": "~2.6.1",
         "string_decoder": "^1.3.0"
       },
       "peerDependencies": {
-        "@tensorflow/tfjs-core": "4.17.0",
+        "@tensorflow/tfjs-core": "4.21.0",
         "seedrandom": "^3.0.5"
       }
     },
     "node_modules/@tensorflow/tfjs-layers": {
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-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-layers/-/tfjs-layers-4.17.0.tgz",
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@@ -3492,6 +3501,7 @@
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@@ -3506,7 +3516,8 @@
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@@ -11883,35 +11908,35 @@
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     "@tensorflow/tfjs-backend-cpu": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-4.21.0.tgz",
-      "integrity": "sha512-2VSCHnX9qhYTjw9HiVwTBSnRVlntKXeBlK7aSVsmZfHGwWE2faErTtO7bWmqNqw0U7gyznJbVAjlow/p+0RNGw==",
+      "integrity": "sha512-yS9Oisg4L48N7ML6677ilv1eP5Jt59S74skSU1cCsM4yBAtH4DAn9b89/JtqBISh6JadanfX26b4HCWQvMvqFg==",
       "requires": {
         "@types/seedrandom": "^2.4.28",
         "seedrandom": "^3.0.5"
       }
     },
     "@tensorflow/tfjs-backend-webgl": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-4.21.0.tgz",
-      "integrity": "sha512-CC5GsGECCd7eYAUaKq0XJ48FjEZdgXZWPxgUYx4djvfUx5fQPp35hCSP9w/k463jllBMbjl2tKRg8u7Ia/LYzg==",
+      "integrity": "sha512-7k6mb7dd0uF9jI51iunF3rhEXjvR/a613kjWZ0Rj3o1COFrneyku2C7cRMZERWPhbgXZ+dF+j9MdpGIpgtShIQ==",
       "requires": {
-        "@tensorflow/tfjs-backend-cpu": "4.17.0",
+        "@tensorflow/tfjs-backend-cpu": "4.21.0",
         "@types/offscreencanvas": "~2019.3.0",
         "@types/seedrandom": "^2.4.28",
         "seedrandom": "^3.0.5"
       }
     },
     "@tensorflow/tfjs-converter": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-converter/-/tfjs-converter-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-converter/-/tfjs-converter-4.21.0.tgz",
-      "integrity": "sha512-qFxIjPfomCuTrYxsFjtKbi3QfdmTTCWo+RvqD64oCMS0sjp7sUDNhJyKDoLx6LZhXlwXpHIVDJctLMRMwet0Zw==",
+      "integrity": "sha512-cUhU+F1lGx2qnKk/gRy8odBh0PZlFz0Dl71TG8LVnj0/g352DqiNrKXlKO/po9aWzP8x0KUGC3gNMSMJW+T0DA==",
       "requires": {}
     },
     "@tensorflow/tfjs-core": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-core/-/tfjs-core-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-core/-/tfjs-core-4.21.0.tgz",
-      "integrity": "sha512-v9Q5430EnRpyhWNd9LVgXadciKvxLiq+sTrLKRowh26BHyAsams4tZIgX3lFKjB7b90p+FYifVMcqLTTHgjGpQ==",
+      "integrity": "sha512-ZbECwXps5wb9XXcGq4ZXvZDVjr5okc3I0+i/vU6bpQ+nVApyIrMiyEudP8f6vracVTvNmnlN62vUXoEsQb2F8g==",
       "requires": {
         "@types/long": "^4.0.1",
         "@types/offscreencanvas": "~2019.7.0",
@@ -11930,9 +11955,9 @@
       }
     },
     "@tensorflow/tfjs-data": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-data/-/tfjs-data-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-data/-/tfjs-data-4.21.0.tgz",
-      "integrity": "sha512-aPKrDFip+gXicWOFALeNT7KKQjRXFkHd/hNe/zs4mCFcIN00hy1PkZ6xkYsgrsdLDQMBSGeS4B4ZM0k5Cs88QA==",
+      "integrity": "sha512-LpJ/vyQMwYHkcVCqIRg7IVVw13VBY7rNAiuhmKP9S5NP/2ye4KA8BJ4XwDIDgjCVQM7glK9L8bMav++xCDf7xA==",
       "requires": {
         "@types/node-fetch": "^2.1.2",
         "node-fetch": "~2.6.1",
@@ -11940,9 +11965,9 @@
       }
     },
     "@tensorflow/tfjs-layers": {
-      "version": "4.17.0",
+      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-layers/-/tfjs-layers-4.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-layers/-/tfjs-layers-4.21.0.tgz",
-      "integrity": "sha512-DEE0zRKvf3LJ0EcvG5XouJYOgFGWYAneZ0K1d23969z7LfSyqVmBdLC6BTwdLKuJk3ouUJIKXU1TcpFmjDuh7g==",
+      "integrity": "sha512-a8KaMYlY3+llvE9079nvASKpaaf8xpCMdOjbgn+eGhdOGOcY7QuFUkd/2odvnXDG8fK/jffE1LoNOlfYoBHC4w==",
       "requires": {}
     },
     "@types/estree": {

package.json

@@ -24,7 +24,7 @@
     "last 5 Firefox versions"
   ],
   "dependencies": {
-    "@tensorflow/tfjs": "^4.17.0",
+    "@tensorflow/tfjs": "^4.21.0",
     "dom7": "^4.0.6",
     "framework7": "^8.3.0",
     "framework7-icons": "^5.0.5",

src/assets/detect-worker.js

@@ -75,14 +75,18 @@ async function localDetect(imageData) {
 
   console.time('sw: post-process')
   const outputSize = res.shape[1]
+  const output = {
+    detections: []
+  }
   let rawBoxes = []
   let rawScores = []
+  let getScores, getBox, boxCalc
 
-  for (var i = 0; i < rawRes.length; i++) {
+  for (let i = 0; i < rawRes.length; i++) {
-    var getScores = rawRes[i].slice(4)
+    getScores = rawRes[i].slice(4)
     if (getScores.every( s => s < .05)) { continue }
-    var getBox = rawRes[i].slice(0,4)
+    getBox = rawRes[i].slice(0,4)
-    var boxCalc = [
+    boxCalc = [
       (getBox[0] - (getBox[2] / 2)) / modelWidth,
       (getBox[1] - (getBox[3] / 2)) / modelHeight,
       (getBox[0] + (getBox[2] / 2)) / modelWidth,
@@ -101,7 +105,7 @@ async function localDetect(imageData) {
     let boxes_data = []
     let scores_data = []
     let classes_data = []
-    for (var c = 0; c < outputSize - 4; c++) {
+    for (let c = 0; c < outputSize - 4; c++) {
       structureScores = rawScores.map(x => x[c])
       tScores = tf.tensor1d(structureScores)
       resBoxes = await tf.image.nonMaxSuppressionAsync(tBoxes,tScores,10,0.5,.05)
@@ -109,7 +113,7 @@ async function localDetect(imageData) {
       tf.dispose(resBoxes)
       if (validBoxes) {
         boxes_data.push(...rawBoxes.filter( (_, idx) => validBoxes.includes(idx)))
-        var outputScores = structureScores.filter( (_, idx) => validBoxes.includes(idx))
+        let outputScores = structureScores.filter( (_, idx) => validBoxes.includes(idx))
         scores_data.push(...outputScores)
         classes_data.push(...outputScores.fill(c))
       }
@@ -119,18 +123,15 @@ async function localDetect(imageData) {
     tf.dispose(tBoxes)
     tf.dispose(tScores)
     tf.dispose(tRes)
+    tf.dispose(resBoxes)
     const valid_detections_data = classes_data.length
-    var output = {
+    for (let i =0; i < valid_detections_data; i++) {
-      detections: []
+      let [dLeft, dTop, dRight, dBottom] = boxes_data[i]
-    }
-    for (var i =0; i < valid_detections_data; i++) {
-      var [dLeft, dTop, dRight, dBottom] = boxes_data[i]
       output.detections.push({
         "top": dTop,
         "left": dLeft,
         "bottom": dBottom,
         "right": dRight,
-//        "label": this.detectorLabels[classes_data[i]].name,
         "label": classes_data[i],
         "confidence": scores_data[i] * 100
       })
@@ -155,7 +156,7 @@ async function videoFrame (vidData) {
     const rawRes = tf.transpose(res,[0,2,1]).arraySync()[0]
 
     if (rawRes) {
-      for (var i = 0; i < rawRes.length; i++) {
+      for (let i = 0; i < rawRes.length; i++) {
         let getScores = rawRes[i].slice(4) 
         if (getScores.some( s => s > .5)) {
           let foundTarget = rawRes[i].slice(0,2)

src/components/app.vue

@@ -74,12 +74,19 @@
       }
     },
     async created () {
+     document.addEventListener('keydown', e => {
+      if (e.code == 'KeyR') {
+        console.log(f7.views.main.router.history)
+      }
+      if (e.code == 'KeyB') {
+        f7.views.main.router.back()
+      }
+     })
       if (!window.cordova) {
         const confText = await fetch('./conf/conf.yaml')
           .then((mod) => { return mod.text() })
         this.siteConf = YAML.parse(confText)
       }
-      if (window.safari !== undefined) {store().safariDetected()}
       const loadSiteSettings = localStorage.getItem('siteSettings')
       if (loadSiteSettings) {
         let loadedSettings = JSON.parse(loadSiteSettings)

src/components/svg-icon.vue

@@ -17,6 +17,9 @@
     <path v-else-if="icon == 'head'" d="M194-80v-395h80v315h280v-193l105-105q29-29 45-65t16-77q0-40-16.5-76T659-741l-25-26-127 127H347l-43 43-57-56 67-67h160l160-160 82 82q40 40 62 90.5T800-600q0 57-22 107.5T716-402l-82 82v240H194Zm197-187L183-475q-11-11-17-26t-6-31q0-16 6-30.5t17-25.5l84-85 124 123q28 28 43.5 64.5T450-409q0 40-15 76.5T391-267Z"/>
     <path v-else-if="icon == 'photo_sample'" d="M240-80q-33 0-56.5-23.5T160-160v-640q0-33 23.5-56.5T240-880h480q33 0 56.5 23.5T800-800v640q0 33-23.5 56.5T720-80H240Zm0-80h480v-640h-80v280l-100-60-100 60v-280H240v640Zm40-80h400L545-420 440-280l-65-87-95 127Zm-40 80v-640 640Zm200-360 100-60 100 60-100-60-100 60Z"/>
     <path v-else-if="icon == 'reset_slide'" d="M520-330v-60h160v60H520Zm60 210v-50h-60v-60h60v-50h60v160h-60Zm100-50v-60h160v60H680Zm40-110v-160h60v50h60v60h-60v50h-60Zm111-280h-83q-26-88-99-144t-169-56q-117 0-198.5 81.5T200-480q0 72 32.5 132t87.5 98v-110h80v240H160v-80h94q-62-50-98-122.5T120-480q0-75 28.5-140.5t77-114q48.5-48.5 114-77T480-840q129 0 226.5 79.5T831-560Z"/>
+    <path v-else-if="icon == 'zoom_to'" d="M440-40v-167l-44 43-56-56 140-140 140 140-56 56-44-43v167h-80ZM220-340l-56-56 43-44H40v-80h167l-43-44 56-56 140 140-140 140Zm520 0L600-480l140-140 56 56-43 44h167v80H753l43 44-56 56Zm-260-80q-25 0-42.5-17.5T420-480q0-25 17.5-42.5T480-540q25 0 42.5 17.5T540-480q0 25-17.5 42.5T480-420Zm0-180L340-740l56-56 44 43v-167h80v167l44-43 56 56-140 140Z"/>
+    <path v-else-if="icon == 'reset_zoom'" d="M480-320v-100q0-25 17.5-42.5T540-480h100v60H540v100h-60Zm60 240q-25 0-42.5-17.5T480-140v-100h60v100h100v60H540Zm280-240v-100H720v-60h100q25 0 42.5 17.5T880-420v100h-60ZM720-80v-60h100v-100h60v100q0 25-17.5 42.5T820-80H720Zm111-480h-83q-26-88-99-144t-169-56q-117 0-198.5 81.5T200-480q0 72 32.5 132t87.5 98v-110h80v240H160v-80h94q-62-50-98-122.5T120-480q0-75 28.5-140.5t77-114q48.5-48.5 114-77T480-840q129 0 226.5 79.5T831-560Z"/>
+    <path v-else-if="icon == 'clipboard'" d="M200-120q-33 0-56.5-23.5T120-200v-560q0-33 23.5-56.5T200-840h167q11-35 43-57.5t70-22.5q40 0 71.5 22.5T594-840h166q33 0 56.5 23.5T840-760v560q0 33-23.5 56.5T760-120H200Zm0-80h560v-560h-80v120H280v-120h-80v560Zm280-560q17 0 28.5-11.5T520-800q0-17-11.5-28.5T480-840q-17 0-28.5 11.5T440-800q0 17 11.5 28.5T480-760Z"/>
   </svg>
 </template>
   
@@ -44,7 +47,10 @@
             'limbs',
             'head',
             'photo_sample',
-            'reset_slide'
+            'reset_slide',
+            'zoom_to',
+            'reset_zoom',
+            'clipboard'
           ]
           return iconList.includes(value)
         }

src/css/detect.css

@@ -150,8 +150,7 @@
 .structure-info {
   position: absolute;
   z-index: 3;
-  color: rgb(15, 32, 108);
+  color: #0f206c;
-  background: yellow;
   border-radius: 100%;
 }
 

src/index.html

@@ -18,7 +18,7 @@
   <meta name="msapplication-tap-highlight" content="no">
   <title>ALVINN</title>
   <% if (TARGET === 'web') { %>
-  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="mobile-web-app-capable" content="yes">
   <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
   <link rel="apple-touch-icon" href="icons/apple-touch-icon.png">
   <link rel="icon" href="icons/favicon.png">

src/js/store.js

@@ -5,13 +5,13 @@ const state = reactive({
     enabledRegions: ['thorax','abdomen','limbs','head'],
     regionIconSet: Math.floor(Math.random() * 3) + 1,
     version: '0.5.0-alpha',
+    build: '####',
     fullscreen: false,
     useExternal: 'optional',
     workersEnabled: 'true',
     siteDemo: false,
     externalServerList: [],
-    infoUrl: false,
+    infoUrl: false
-    safariBrowser: false
   })
 
 const set = (config, confObj) => {
@@ -23,10 +23,6 @@ const agree = () => {
   state.disclaimerAgreement = true
 }
 
-const safariDetected = () => {
-  state.safariBrowser = true
-}
-
 const disableWorkers = () => {
   state.workersEnabled = false
 }
@@ -59,12 +55,11 @@ export default () => ({
   useWorkers: computed(() => state.workersEnabled),
   getRegions: computed(() => state.enabledRegions),
   getVersion: computed(() => state.version),
+  getBuild: computed(() => state.build),
   getIconSet: computed(() => state.regionIconSet),
   getInfoUrl: computed(() => state.infoUrl),
-  isSafari: computed(() => state.safariBrowser),
   set,
   agree,
-  safariDetected,
   disableWorkers,
   getServerList,
   toggleFullscreen

src/js/structures.js

@@ -0,0 +1,157 @@
+class Coordinate {
+  constructor(x, y) {
+    this.x = x
+    this.y = y
+  }
+
+  toRefFrame(...frameArgs) {
+    if (frameArgs.length == 0) {
+      return {x: this.x, y: this.y}
+    }
+    let outFrames = []
+    //Get Coordinates in Image Reference Frame
+    if (frameArgs[0].tagName == 'IMG' && frameArgs[0].width && frameArgs[0].height) {
+      outFrames.push({
+        x: this.x * frameArgs[0].width,
+        y: this.y * frameArgs[0].height
+      })
+    } else {
+      throw new Error('Coordinate: invalid reference frame for frameType: Image')
+    }
+    //Get Coordinates in Canvas Reference Frame
+    if (frameArgs[1]) {
+      if (frameArgs[1].tagName == 'CANVAS' && frameArgs[1].width && frameArgs[1].height) {
+        let imgWidth
+        let imgHeight
+        const imgAspect = frameArgs[0].width / frameArgs[0].height
+        const rendAspect = frameArgs[1].width / frameArgs[1].height
+        if (imgAspect >= rendAspect) {
+          imgWidth = frameArgs[1].width
+          imgHeight = frameArgs[1].width / imgAspect
+        } else {
+          imgWidth = frameArgs[1].height * imgAspect
+          imgHeight = frameArgs[1].height
+        }
+        outFrames.push({
+          x: (frameArgs[1].width - imgWidth) / 2 + this.x * imgWidth,
+          y: (frameArgs[1].height - imgHeight) / 2 + this.y * imgHeight
+        })
+      } else {
+        throw new Error('Coordinate: invalid reference frame for frameType: Canvas')
+      }
+    }
+    //Get Coordinates in Screen Reference Frame
+    if (frameArgs[2]) {
+      if (frameArgs[2].zoom && frameArgs[2].offset && frameArgs[2].offset.x !== undefined && frameArgs[2].offset.y !== undefined) {
+        outFrames.push({
+          x: outFrames[1].x * frameArgs[2].zoom + frameArgs[2].offset.x,
+          y: outFrames[1].y  * frameArgs[2].zoom + frameArgs[2].offset.y
+        })
+      } else {
+        throw new Error('Coordinate: invalid reference frame for frameType: Screen')
+      }
+    }
+
+    return outFrames
+  }
+
+  toString() {
+    return `(x: ${this.x}, y: ${this.y})`
+  }
+}
+
+export class StructureBox {
+  constructor(top, left, bottom, right) {
+    this.topLeft = new Coordinate(left, top)
+    this.bottomRight = new Coordinate(right, bottom)
+  }
+
+  getBoxes(boxType, ...frameArgs) {
+    let lowerH, lowerV, calcSide
+    switch (boxType) {
+      case 'point':
+        lowerH = 'right'
+        lowerV = 'bottom'
+        break
+      case 'side':
+        lowerH = 'width'
+        lowerV = 'height'
+        calcSide = true
+        break
+      default:
+        throw new Error(`StructureBox: invalid boxType - ${boxType}`)
+    }
+    if (frameArgs.length == 0) {
+      return {
+        left: this.topLeft.x,
+        top: this.topLeft.y,
+        [lowerH]: this.bottomRight.x - ((calcSide) ? this.topLeft.x : 0),
+        [lowerV]: this.bottomRight.y - ((calcSide) ? this.topLeft.y : 0)
+      }  
+    }
+    const tL = this.topLeft.toRefFrame(...frameArgs)
+    const bR = this.bottomRight.toRefFrame(...frameArgs)
+    let outBoxes = []
+    tL.forEach((cd, i) => {
+      outBoxes.push({
+        left: cd.x,
+        top: cd.y,
+        [lowerH]: bR[i].x - ((calcSide) ? cd.x : 0),
+        [lowerV]: bR[i].y - ((calcSide) ? cd.y : 0)
+      })
+    })
+    return outBoxes
+  }
+}
+
+export class Structure {
+  constructor(structResult) {
+    this.label = structResult.label
+    this.confidence = structResult.confidence
+    this.box = new StructureBox(
+      structResult.top,
+      structResult.left,
+      structResult.bottom,
+      structResult.right
+    )
+    this.deleted = false
+    this.index = -1
+    this.passThreshold = true
+    this.searched = false
+  }
+
+  get resultIndex() {
+    return this.index
+  }
+
+  set resultIndex(newIdx) {
+    this.index = newIdx
+  }
+
+  get isDeleted() {
+    return this.deleted
+  }
+
+  set isDeleted(del) {
+    this.deleted = !!del
+  }
+
+  get isSearched() {
+    return this.searched
+  }
+
+  set isSearched(ser) {
+    this.searched = !!ser
+  }
+
+  get aboveThreshold() {
+    return this.passThreshold
+  }
+
+  setThreshold(level) {
+    if (typeof level != 'number') {
+      throw new Error(`Structure: invalid threshold level ${level}`)
+    }
+    this.passThreshold = this.confidence >= level
+  }
+}

src/pages/camera-mixin.js

@@ -3,11 +3,11 @@ import { f7 } from 'framework7-vue'
 export default {
   methods: {
     async openCamera(imContain) {
-      var cameraLoaded = false
+      let cameraLoaded = false
       const devicesList = await navigator.mediaDevices.enumerateDevices()
-      this.videoDeviceAvailable = devicesList.some( d => d.kind == "videoinput")
+      let videoDeviceAvailable = devicesList.some( d => d.kind == "videoinput")
-      if (this.videoDeviceAvailable) {
+      if (videoDeviceAvailable) {
-        var vidConstraint = {
+        let vidConstraint = {
           video: {
             width: {
               ideal: imContain.offsetWidth
@@ -41,24 +41,24 @@ export default {
       tempCtx.drawImage(vidViewer, 0, 0)
       this.getImage(tempCVS.toDataURL())
     },
-    async videoFrameDetectWorker (vidData) {
+    async videoFrameDetectWorker (vidData, vidWorker) {
       const startDetection = () => {
         createImageBitmap(vidData).then(imVideoFrame => {
-          this.vidWorker.postMessage({call: 'videoFrame', image: imVideoFrame}, [imVideoFrame])
+          vidWorker.postMessage({call: 'videoFrame', image: imVideoFrame}, [imVideoFrame])
         })
       }
       vidData.addEventListener('resize',startDetection,{once: true})
-      this.vidWorker.onmessage = (eVid) => {
+      vidWorker.onmessage = (eVid) => {
         if (eVid.data.error) {
           console.log(eVid.data.message)
           f7.dialog.alert(`ALVINN AI model error: ${eVid.data.message}`)
         } else if (this.videoAvailable) {
           createImageBitmap(vidData).then(imVideoFrame => {
-            this.vidWorker.postMessage({call: 'videoFrame', image: imVideoFrame}, [imVideoFrame])
+            vidWorker.postMessage({call: 'videoFrame', image: imVideoFrame}, [imVideoFrame])
           })
           if (eVid.data.coords) {
             imageCtx.clearRect(0,0,imCanvas.width,imCanvas.height)
-            for (var coord of eVid.data.coords) {
+            for (let coord of eVid.data.coords) {
               let pointX = (imCanvas.width - imgWidth) / 2 + (coord[0] / eVid.data.modelWidth) * imgWidth - 10
               let pointY = (imCanvas.height - imgHeight) / 2 + (coord[1] / eVid.data.modelHeight) * imgHeight - 10
               console.debug(`cx: ${pointX}, cy: ${pointY}`)
@@ -72,8 +72,7 @@ export default {
       const imCanvas = this.$refs.image_cvs
       const imageCtx = imCanvas.getContext("2d")
       const target = this.$refs.target_image
-      var imgWidth
+      let imgWidth, imgHeight
-      var imgHeight
       f7.utils.nextFrame(() => {
         imCanvas.width = imCanvas.clientWidth
         imCanvas.height = imCanvas.clientHeight

src/pages/contact.vue

@@ -56,7 +56,7 @@
     },
     computed: {
       commentText () {
-        var text = f7.textEditor.get('.comment-editor').getValue()
+        let text = f7.textEditor.get('.comment-editor').getValue()
         if (this.userEmail) {
           text += `\\n\\nSubmitted by: ${this.userEmail}`
         }
@@ -65,9 +65,9 @@
     },
     methods: {
       sendFeedback () {
-        var self = this
+        let self = this
-        var issueURL = `https://gitea.azgeorgis.net/api/v1/repos/Georgi_Lab/ALVINN_f7/issues?access_token=9af8ae15b1ee5a98afcb3083bb488e4cf3c683af`
+        const issueURL = `https://gitea.azgeorgis.net/api/v1/repos/Georgi_Lab/ALVINN_f7/issues?access_token=9af8ae15b1ee5a98afcb3083bb488e4cf3c683af`
-        var xhr = new XMLHttpRequest()
+        let xhr = new XMLHttpRequest()
         xhr.open("POST", issueURL)
         xhr.setRequestHeader('Content-Type', 'application/json')
         xhr.setRequestHeader('accept', 'application/json')

src/pages/detect.vue

@@ -1,23 +1,36 @@
 <template>
-  <f7-page name="detect" :id="detectorName + '-detect-page'">
+  <f7-page name="detect" :id="detectorName + '-detect-page'" @wheel="(e = $event) => e.preventDefault()" @touchmove="(e = $event) => e.preventDefault()">
     <!-- Top Navbar -->
     <f7-navbar :sliding="false" :back-link="true" back-link-url="/" back-link-force>
-      <f7-nav-title sliding>{{ regions[activeRegion] }}</f7-nav-title>
+      <f7-nav-title sliding>{{ regionTitle }}</f7-nav-title>
       <f7-nav-right>
         <f7-link v-if="!isCordova" :icon-only="true" tooltip="Fullscreen" :icon-f7="isFullscreen ? 'viewfinder_circle_fill' : 'viewfinder'" @click="toggleFullscreen"></f7-link>
         <f7-link :icon-only="true" tooltip="ALVINN help" icon-f7="question_circle_fill" href="/help/"></f7-link>
       </f7-nav-right>
     </f7-navbar>
     <f7-block class="detect-grid">
+      <!--<div style="position: absolute;">{{ debugInfo ? JSON.stringify(debugInfo) : "No Info Available" }}</div>-->
       <div class="image-container" ref="image_container">
         <SvgIcon v-if="!imageView.src && !videoAvailable" :icon="f7route.params.region" fill-color="var(--avn-theme-color)"/>
         <div class="vid-container" :style="`display: ${videoAvailable ? 'block' : 'none'}; position: absolute; width: 100%; height: 100%;`">
           <video id="vid-view" ref="vid_viewer" :srcObject="cameraStream" :autoPlay="true" style="width: 100%; height: 100%"></video>
           <f7-button @click="captureVidFrame()" style="position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 3;" fill large>Capture</f7-button>
         </div>
-        <canvas id="im-draw" ref="image_cvs" @click="structureClick" :style="`display: ${(imageLoaded || videoAvailable) ? 'block' : 'none'}; flex: 1 1 0%; max-width: 100%; max-height: 100%; min-width: 0; min-height: 0; background-size: contain; background-position: center; background-repeat: no-repeat; z-index: 2;`" />
+        <canvas
-        <f7-link v-if="getInfoUrl && (selectedChip > -1)"
+          id="im-draw"
-          :style="`left: ${infoLinkPos.x}px; top: ${infoLinkPos.y}px; transform: translate(calc(-50% - ${infoLinkPos.adj}px),calc(-50% - ${infoLinkPos.adj}px));`"
+          ref="image_cvs"
+          @wheel="spinWheel($event)"
+          @mousedown.middle="startMove($event)"
+          @mousemove="makeMove($event)"
+          @mouseup.middle="endMove($event)"
+          @touchstart="startTouch($event)"
+          @touchend="endTouch($event)"
+          @touchmove="moveTouch($event)"
+          @click="structureClick"
+          :style="`display: ${(imageLoaded || videoAvailable) ? 'block' : 'none'}; flex: 1 1 0%; max-width: 100%; max-height: 100%; min-width: 0; min-height: 0; background-size: contain; background-position: center; background-repeat: no-repeat; z-index: 2;`"
+        ></canvas>
+        <f7-link v-if="getInfoUrl && (selectedChip > -1) && showResults[selectedChip]"
+          :style="`left: ${infoLinkPos.x}px; top: ${infoLinkPos.y}px; transform: translate(-50%,-50%); background: hsla(${showResults[selectedChip].confidence / 100 * 120}deg, 100%, 50%, .5)`"
           class="structure-info"
           :icon-only="true"
           icon-f7="info"
@@ -61,16 +74,19 @@
         </f7-button>
       </div>
       <f7-segmented class="image-menu" raised>
-        <f7-button popover-open="#region-popover">
-          <RegionIcon :region="activeRegion" :iconSet="getIconSet" />
-        </f7-button>
         <f7-button v-if="!videoAvailable" :class="(!modelLoading) ? '' : 'disabled'" popover-open="#capture-popover">
           <SvgIcon icon="camera_add"/>
         </f7-button>
         <f7-button v-if="videoAvailable" @click="closeCamera()">
           <SvgIcon icon="no_photography"/>
         </f7-button>
-        <f7-button @click="() => showDetectSettings = !showDetectSettings" :class="(imageLoaded) ? '' : 'disabled'">
+        <f7-button v-if="!structureZoomed && selectedChip >= 0" style="height: auto; width: auto;" popover-close="#image-popover" @click="zoomToSelected()">
+          <SvgIcon icon="zoom_to" />
+        </f7-button>
+        <f7-button v-else :class="(canvasZoom != 1) ? '' : 'disabled'" style="height: auto; width: auto;" popover-close="#image-popover" @click="resetZoom()">
+          <SvgIcon icon="reset_zoom" />
+        </f7-button>
+        <f7-button @click="toggleSettings()" :class="(imageLoaded) ? '' : 'disabled'">
           <SvgIcon icon="visibility"/>
           <f7-badge v-if="numResults && (showResults.length != numResults)" color="red" style="position: absolute; right: 15%; top: 15%;">{{ showResults.length - numResults }}</f7-badge>
         </f7-button>
@@ -93,23 +109,6 @@
       </f7-page>
     </f7-panel>
 
-    <f7-popover id="region-popover" class="popover-button-menu">
-      <f7-segmented raised class="segment-button-menu">
-        <f7-button :class="(getRegions.includes('thorax')) ? '' : ' disabled'" style="height: auto; width: auto;" href="/detect/thorax/" popover-close="#region-popover">
-          <RegionIcon :region="0" :iconSet="getIconSet" />
-        </f7-button>
-        <f7-button :class="(getRegions.includes('abdomen')) ? '' : ' disabled'" style="height: auto; width: auto;" href="/detect/abdomen/" popover-close="#region-popover">
-          <RegionIcon :region="1" :iconSet="getIconSet" />
-        </f7-button>
-        <f7-button :class="(getRegions.includes('limbs')) ? '' : ' disabled'" style="height: auto; width: auto;" href="/detect/limbs/" popover-close="#region-popover">
-          <RegionIcon :region="2" :iconSet="getIconSet" />
-        </f7-button>
-        <f7-button :class="(getRegions.includes('head')) ? '' : ' disabled'" style="height: auto; width: auto;" href="/detect/head/" popover-close="#region-popover">
-          <RegionIcon :region="3" :iconSet="getIconSet" />
-        </f7-button>
-      </f7-segmented>
-    </f7-popover>
-
     <f7-popover id="capture-popover" class="popover-button-menu">
       <f7-segmented raised class="segment-button-menu">
         <f7-button style="height: auto; width: auto;" popover-close="#capture-popover" @click="selectImage('camera')">
@@ -118,6 +117,9 @@
         <f7-button style="height: auto; width: auto;" popover-close="#capture-popover" @click="selectImage('file')">
           <SvgIcon icon="photo_library" />
         </f7-button>
+        <f7-button v-if="secureProtocol" style="height: auto; width: auto;" popover-close="#capture-popover" @click="selectImage('clipboard')">
+          <SvgIcon icon="clipboard" />
+        </f7-button>
         <f7-button v-if="demoEnabled" style="height: auto; width: auto;" popover-close="#capture-popover" @click="selectImage('sample')">
           <SvgIcon icon="photo_sample"/>
         </f7-button>
@@ -139,11 +141,27 @@
   import submitMixin from './submit-mixin'
   import detectionMixin from './detection-mixin'
   import cameraMixin from './camera-mixin'
+  import touchMixin from './touch-mixin'
 
   import detectionWorker from '@/assets/detect-worker.js?worker&inline'
+  import { Structure, StructureBox } from '../js/structures'
+
+  const regions = ['Thorax','Abdomen/Pelvis','Limbs','Head and Neck']
+  let activeRegion = 4
+  let classesList = []
+  let imageLoadMode = "environment"
+  let serverSettings = {}
+  let otherSettings = {}
+  let modelLocation = ''
+  let miniLocation = ''
+  let reloadModel = false
+  let detectWorker = null
+  let vidWorker = null
+  let canvasMoving = false
+  let imageLocation = new StructureBox(0, 0, 1, 1)
   
   export default {
-    mixins: [submitMixin, detectionMixin, cameraMixin],
+    mixins: [submitMixin, detectionMixin, cameraMixin, touchMixin],
     props: {
       f7route: Object,
     },
@@ -153,35 +171,28 @@
     },
     data () {
       return {
-        regions: ['Thorax','Abdomen/Pelvis','Limbs','Head and Neck'],
         resultData: {},
         selectedChip: -1,
-        activeRegion: 4,
-        classesList: [],
         imageLoaded: false,
         imageView: new Image(),
-        imageLoadMode: "environment",
         detecting: false,
         detectPanel: false,
         showDetectSettings: false,
         detectorName: '',
         detectorLevel: 50,
         detectorLabels: [],
-        serverSettings: {},
-        otherSettings: {},
         isCordova: !!window.cordova,
+        secureProtocol: location.protocol == 'https:',
         uploadUid: null,
         uploadDirty: false,
-        modelLocation: '',
-        miniLocation: '',
         modelLoading: true,
-        reloadModel: false,
-        videoDeviceAvailable: false,
         videoAvailable: false,
         cameraStream: null,
         infoLinkPos: {},
-        detectWorker: null,
+        canvasOffset: {x: 0, y: 0},
-        vidWorker: null
+        canvasZoom: 1,
+        structureZoomed: false,
+        debugInfo: null
       }
     },
     setup() {
@@ -189,44 +200,44 @@
     },
     created () {
       let loadOtherSettings = localStorage.getItem('otherSettings')
-      if (loadOtherSettings) this.otherSettings = JSON.parse(loadOtherSettings)
+      if (loadOtherSettings) otherSettings = JSON.parse(loadOtherSettings)
       this.detectorName = this.f7route.params.region
       switch (this.detectorName) {
         case 'thorax':
-          this.activeRegion = 0
+          activeRegion = 0
           break;
         case 'abdomen':
-          this.activeRegion = 1
+          activeRegion = 1
           break;
         case 'limbs':
-          this.activeRegion = 2
+          activeRegion = 2
           break;
         case 'head':
-          this.activeRegion = 3
+          activeRegion = 3
           break;
       }
-      let modelJ = `../models/${this.detectorName}${this.otherSettings.mini ? '-mini' : ''}/model.json`
+      let modelJ = `../models/${this.detectorName}${otherSettings.mini ? '-mini' : ''}/model.json`
       let miniJ = `../models/${this.detectorName}-mini/model.json`
-      this.modelLocation = new URL(modelJ,import.meta.url).href
+      modelLocation = new URL(modelJ,import.meta.url).href
-      this.miniLocation = new URL(miniJ,import.meta.url).href
+      miniLocation = new URL(miniJ,import.meta.url).href
       let classesJ = `../models/${this.detectorName}/classes.json`
       fetch(new URL(classesJ,import.meta.url).href)
         .then((mod) => { return mod.json() })
         .then((classes) => {
-          this.classesList = classes
+          classesList = classes
-          this.detectorLabels = this.classesList.map( l => { return {'name': l, 'detect': true} } )
+          this.detectorLabels = classesList.map( l => { return {'name': l, 'detect': true} } )
         })
-      var loadServerSettings = localStorage.getItem('serverSettings')
+      const loadServerSettings = localStorage.getItem('serverSettings')
-      if (loadServerSettings) this.serverSettings = JSON.parse(loadServerSettings)
+      if (loadServerSettings) serverSettings = JSON.parse(loadServerSettings)
     },
     mounted () {
-      if (this.serverSettings && this.serverSettings.use) {
+      if (serverSettings && serverSettings.use) {
         this.getRemoteLabels()
         this.modelLoading = false
       } else {
         this.modelLoading = true
         if (!this.useWorkers) {
-          this.loadModel(this.modelLocation, true).then(() => {
+          this.loadModel(modelLocation, true).then(() => {
             this.modelLoading = false
           }).catch((e) => {
             console.log(e.message)
@@ -234,8 +245,8 @@
             this.modelLoading = false
           })
         } else {
-          this.detectWorker = new detectionWorker()
+          detectWorker = new detectionWorker()
-          this.detectWorker.onmessage = (eMount) => {
+          detectWorker.onmessage = (eMount) => {
             self = this
             if (eMount.data.error) {
               console.log(eMount.data.message)
@@ -243,21 +254,24 @@
             }
             self.modelLoading = false
           }
-          this.vidWorker = new detectionWorker()
+          vidWorker = new detectionWorker()
-          this.vidWorker.onmessage = (eMount) => {
+          vidWorker.onmessage = (eMount) => {
             self = this
             if (eMount.data.error) {
               console.log(eMount.data.message)
               f7.dialog.alert(`ALVINN AI nano model error: ${eMount.data.message}`)
             }
           }
-          this.detectWorker.postMessage({call: 'loadModel', weights: this.modelLocation, preload: true})
+          detectWorker.postMessage({call: 'loadModel', weights: modelLocation, preload: true})
-          this.vidWorker.postMessage({call: 'loadModel', weights: this.miniLocation, preload: true})
+          vidWorker.postMessage({call: 'loadModel', weights: miniLocation, preload: true})
         }
       }
       window.onresize = (e) => { if (this.$refs.image_cvs) this.selectChip('redraw') }
     },
     computed: {
+      regionTitle () {
+        return regions[activeRegion]
+      },
       message () {
         if (this.modelLoading) {
           return "Preparing ALVINN..."
@@ -270,17 +284,17 @@
         }
       },
       showResults () {
-        var filteredResults = this.resultData.detections
+        let filteredResults = this.resultData.detections
         if (!filteredResults) return []
 
-        var allSelect = this.detectorLabels.every( s => { return s.detect } )
+        const allSelect = this.detectorLabels.every( s => { return s.detect } )
-        var selectedLabels = this.detectorLabels
+        const selectedLabels = this.detectorLabels
             .filter( l => { return l.detect })
             .map( l => { return l.name })
         filteredResults.forEach( (d, i) => {
-          filteredResults[i].resultIndex = i
+          d.resultIndex = i
-          filteredResults[i].aboveThreshold = d.confidence >= this.detectorLevel
+          d.setThreshold(this.detectorLevel)
-          filteredResults[i].isSearched = allSelect || selectedLabels.includes(d.label)
+          d.isSearched = allSelect || selectedLabels.includes(d.label)
         })
 
         if (!filteredResults.some( s => s.resultIndex == this.selectedChip && s.aboveThreshold && s.isSearched && !s.isDeleted)) {
@@ -301,13 +315,13 @@
         }
       },
       demoEnabled () {
-        return this.otherSettings.demo || this.demoMode
+        return otherSettings.demo || this.demoMode
       },
       infoLinkTarget () {
         if (!this.getInfoUrl) return ''
         let structure = this.showResults.find( r => r.resultIndex == this.selectedChip)
         return structure ? this.getInfoUrl + structure.label.replaceAll(' ','_') : ''
-      }
+      },
     },
     methods: {
       chipGradient (confVal) {
@@ -315,8 +329,8 @@
         return `--chip-media-gradient: conic-gradient(from ${270 - (confFactor * 360 / 2)}deg, hsl(${confFactor * 120}deg, 100%, 50%) ${confFactor}turn, hsl(${confFactor * 120}deg, 50%, 66%) ${confFactor}turn)`
       },
       async setData () {
-        if (this.detectWorker) {
+        if (detectWorker) {
-          this.detectWorker.onmessage = (eDetect) => {
+          detectWorker.onmessage = (eDetect) => {
             self = this
             if (eDetect.data.error) {
               self.detecting = false
@@ -325,41 +339,46 @@
               f7.dialog.alert(`ALVINN structure finding error: ${eDetect.data.message}`)
             } else if (eDetect.data.success == 'detection') {
               self.detecting = false
-              self.resultData = eDetect.data.detections
+              self.resultData = {detections: []}
-              if (self.resultData) {
+              eDetect.data.detections.detections.forEach((d) => {
-                self.resultData.detections.map(d => {d.label = self.detectorLabels[d.label].name})
+                d.label = self.detectorLabels[d.label].name
-              }
+                let detectedStructure = new Structure(d)
+                self.resultData.detections.push(detectedStructure)
+              })
               self.uploadDirty = true
             } else if (eDetect.data.success == 'model') {
-              self.reloadModel = false
+              reloadModel = false
               loadSuccess()
             }
+            f7.utils.nextFrame(() => {
+              this.selectChip("redraw")
+            })
           }
         }
 
         let loadSuccess = null
         let loadFailure = null
         let modelReloading = null
-        if (!this.useWorkers && this.reloadModel) {
+        if (!this.useWorkers && reloadModel) {
-          await this.loadModel(this.modelLocation)
+          await this.loadModel(modelLocation)
-          this.reloadModel = false          
+          reloadModel = false          
         } else {
           modelReloading = new Promise((res, rej) => {
             loadSuccess = res
             loadFailure = rej
-            if (this.reloadModel) {
+            if (reloadModel) {
-              this.detectWorker.postMessage({call: 'loadModel', weights: this.modelLocation})
+              detectWorker.postMessage({call: 'loadModel', weights: modelLocation})
             } else {
               loadSuccess()
             }
           })
         }
 
-        if (this.serverSettings && this.serverSettings.use) {
+        if (serverSettings && serverSettings.use) {
           this.remoteDetect()
         } else if (this.useWorkers) {
           Promise.all([modelReloading,createImageBitmap(this.imageView)]).then(res => {
-            this.detectWorker.postMessage({call: 'localDetect', image: res[1]}, [res[1]])
+            detectWorker.postMessage({call: 'localDetect', image: res[1]}, [res[1]])
           })
         } else {
           createImageBitmap(this.imageView).then(res => {
@@ -375,6 +394,9 @@
             f7.dialog.alert(`ALVINN structure finding error: ${e.message}`)
           })
         }
+        f7.utils.nextFrame(() => {
+          this.selectChip("redraw")
+        })
       },
       selectAll (ev) {
         if (ev.target.checked) {
@@ -384,12 +406,12 @@
         }
       },
       async selectImage (mode) {
-        this.imageLoadMode = mode
+        imageLoadMode = mode
         if (this.isCordova && mode == "camera") {
           navigator.camera.getPicture(this.getImage, this.onFail, { quality: 50, destinationType: Camera.DestinationType.DATA_URL, correctOrientation: true });
           return
         }
-        if (mode == "camera" && !this.otherSettings.disableVideo) {
+        if (mode == "camera" && !otherSettings.disableVideo) {
           this.videoAvailable = await this.openCamera(this.$refs.image_container)
           if (this.videoAvailable) {
             this.selectedChip = -1
@@ -397,14 +419,14 @@
             this.imageView.src = null
             this.$refs.image_cvs.style['background-image'] = 'none'
             this.resultData = {}
-            var trackDetails = this.cameraStream.getVideoTracks()[0].getSettings()
+            const trackDetails = this.cameraStream.getVideoTracks()[0].getSettings()
-            var vidElement = this.$refs.vid_viewer
+            let vidElement = this.$refs.vid_viewer
             vidElement.width = trackDetails.width
             vidElement.height = trackDetails.height
             if (!this.useWorkers) {
-              this.videoFrameDetect(vidElement)
+              this.videoFrameDetect(vidElement, miniLocation)
             } else {
-              this.videoFrameDetectWorker(vidElement)
+              this.videoFrameDetectWorker(vidElement, vidWorker)
             }
             return
           }
@@ -422,36 +444,62 @@
           }).open()
           return
         }
+        if (mode == 'clipboard') {
+          navigator.clipboard.read().then(clip => {
+            if (!clip[0].types.includes("image/png")) {
+              throw new Error("Clipboard does not contain valid image data.");
+            }
+            return clip[0].getType("image/png");
+          }).then(blob => {
+            let clipImage = URL.createObjectURL(blob);
+            this.getImage(clipImage)
+          }).catch(e => {
+            console.log(e)
+            f7.dialog.alert(`Error pasting image: ${e.message}`)
+          })
+          return
+        }
         this.$refs.image_chooser.click()
       },
       onFail (message) {
         alert(`Camera fail: ${message}`)
       },
       selectChip ( iChip ) {
-        const [imCanvas, imageCtx] = this.resetView()
-
         if (this.selectedChip == iChip) {
           this.selectedChip = -1
+          this.resetView()
           return
         }
 
         if (iChip == 'redraw') {
-          if (this.selectedChip == -1) return
+          if (this.selectedChip == -1) {
+            this.resetView()
+            return
+          }
           iChip = this.selectedChip
         }
+        const [imCanvas, imageCtx] = this.resetView(true)
+        let structBox, cvsBox, screenBox
+        [structBox, cvsBox, screenBox] = this.resultData.detections[iChip].box.getBoxes('side', this.imageView, imCanvas, {zoom: this.canvasZoom, offset: {...this.canvasOffset}})
 
-        const boxCoords = this.box2cvs(this.resultData.detections[iChip])[0]
+        this.infoLinkPos.x = Math.min(Math.max(screenBox.left, 0),imCanvas.width)
+        this.infoLinkPos.y = Math.min(Math.max(screenBox.top, 0), imCanvas.height)
 
-        let boxLeft = boxCoords.cvsLeft
+        const imageScale = Math.max(this.imageView.width / imCanvas.width, this.imageView.height / imCanvas.height)
-        let boxTop = boxCoords.cvsTop
+        imageCtx.drawImage(this.imageView, structBox.left, structBox.top, structBox.width, structBox.height, cvsBox.left, cvsBox.top, cvsBox.width, cvsBox.height)
-        let boxWidth = boxCoords.cvsRight - boxCoords.cvsLeft
+        imageCtx.save()
-        let boxHeight = boxCoords.cvsBottom - boxCoords.cvsTop
+        imageCtx.arc(cvsBox.left, cvsBox.top, 14 / this.canvasZoom, 0, 2 * Math.PI)
-        this.infoLinkPos.x = boxCoords.cvsLeft
+        imageCtx.closePath()
-        this.infoLinkPos.y = boxCoords.cvsTop
+        imageCtx.clip()
-        let boxMin = Math.min(boxHeight, boxWidth)
+        imageCtx.drawImage(this.imageView,
-        this.infoLinkPos.adj = (boxMin >= 50) ? 0 : Math.min(10, 50 - boxMin)
+          structBox.left - (14 / this.canvasZoom * imageScale),
-
+          structBox.top - (14 / this.canvasZoom * imageScale),
-        imageCtx.strokeRect(boxLeft, boxTop, boxWidth, boxHeight)
+          (28 / this.canvasZoom * imageScale),
+          (28 / this.canvasZoom * imageScale),
+          cvsBox.left - (14 / this.canvasZoom),
+          cvsBox.top - (14 / this.canvasZoom),
+          (28 / this.canvasZoom), (28 / this.canvasZoom))
+        imageCtx.restore()
         this.selectedChip = iChip
         this.resultData.detections[iChip].beenViewed = true
 
@@ -467,15 +515,24 @@
           this.uploadDirty = true
         });
       },
-      resetView () {
+      resetView (drawChip) {
         const imCanvas = this.$refs.image_cvs
         const imageCtx = imCanvas.getContext("2d")
         imCanvas.width = imCanvas.clientWidth
         imCanvas.height = imCanvas.clientHeight
         imageCtx.clearRect(0,0,imCanvas.width,imCanvas.height)
+        imageCtx.translate(this.canvasOffset.x,this.canvasOffset.y)
+        imageCtx.scale(this.canvasZoom,this.canvasZoom)
         imageCtx.globalAlpha = 1
         imageCtx.strokeStyle = 'yellow'
-        imageCtx.lineWidth = 3
+        imageCtx.lineWidth = 3 / this.canvasZoom
+        if (this.imageLoaded) {
+          const imageLoc = imageLocation.getBoxes('side', this.imageView, imCanvas)
+          if (drawChip) {imageCtx.globalAlpha = .5}
+          imageCtx.drawImage(this.imageView, 0, 0, this.imageView.width, this.imageView.height, imageLoc[1].left, imageLoc[1].top, imageLoc[1].width, imageLoc[1].height)
+          if (drawChip) {imageCtx.globalAlpha = 1}
+        }
+        this.structureZoomed = false
         return [imCanvas, imageCtx]
       },
       getImage (searchImage) {
@@ -483,18 +540,22 @@
           if (this.videoAvailable) {
             this.closeCamera()
             this.detecting = true
-            this.reloadModel = true
+            reloadModel = true
             resolve(searchImage)
-          } else if (this.isCordova && this.imageLoadMode == "camera") {
+          } else if (this.isCordova && imageLoadMode == "camera") {
             this.detecting = true
             resolve('data:image/jpg;base64,' + searchImage)
           }
+          if (imageLoadMode == 'clipboard') {
+            this.detecting = true
+            resolve(searchImage)
+          }
           const reader = new FileReader()
           reader.addEventListener("load", () => {
             this.detecting = true
             resolve(reader.result)
           },{once: true})
-          if (this.imageLoadMode == 'sample') {
+          if (imageLoadMode == 'sample') {
             fetch(`${this.isCordova ? 'https://localhost' : '.'}/samples/${this.detectorName}-${searchImage}.jpeg`).then( resp => {
               return resp.blob()
             }).then(respBlob => {
@@ -516,8 +577,14 @@
           this.imageView.src = imgData
           return(this.imageView.decode())
         }).then( () => {
-          const [imCanvas, _]  = this.resetView()
+          this.canvasOffset = {x: 0, y: 0}
-          imCanvas.style['background-image'] = `url(${this.imageView.src})`
+          this.canvasZoom = 1
+          const imCanvas = this.$refs.image_cvs
+          imCanvas.width = imCanvas.clientWidth
+          imCanvas.height = imCanvas.clientHeight
+          const imageCtx = imCanvas.getContext("2d")
+          const imageLoc = imageLocation.getBoxes('side', this.imageView, imCanvas)
+          imageCtx.drawImage(this.imageView, 0, 0, this.imageView.width, this.imageView.height, imageLoc[1].left, imageLoc[1].top, imageLoc[1].width, imageLoc[1].height)
           f7.utils.nextFrame(() => {
             this.setData()
           })
@@ -527,7 +594,7 @@
         })
       },
       async submitData () {
-        var uploadData = this.showResults
+        let uploadData = this.showResults
           .filter( d => { return d.aboveThreshold && d.isSearched && !d.isDeleted })
           .map( r => { return {"top": r.top, "left": r.left, "bottom": r.bottom, "right": r.right, "label": r.label}})
         this.uploadUid = await this.uploadData(this.imageView.src.split(',')[1],uploadData,this.uploadUid)
@@ -537,42 +604,85 @@
         this.detectorLevel = value
       },
       structureClick(e) {
-        const boxCoords = this.box2cvs(this.showResults)
+        let self = this
-        var findBox = boxCoords.findIndex( (r, i) => { return r.cvsLeft <= e.offsetX &&
+        function loopIndex(i) {
-            r.cvsRight >= e.offsetX &&
+          if (self.selectedChip == -1) return i
-            r.cvsTop <= e.offsetY &&
+          let li = i + self.selectedChip
-            r.cvsBottom >= e.offsetY &&
+          if (li >= numBoxes) li -= numBoxes
-            this.resultData.detections[i].resultIndex > this.selectedChip &&
+          return li
-            this.resultData.detections[i].aboveThreshold &&
+        }
-            this.resultData.detections[i].isSearched &&
+        let boxCoords = []
-            !this.resultData.detections[i].isDeleted
+        this.resultData.detections.forEach(d => {
+          let cvsBox = d.box.getBoxes('point',this.imageView,this.$refs.image_cvs)[1]
+          cvsBox.clickable = d.aboveThreshold && d.isSearched && !d.isDeleted
+          boxCoords.push(cvsBox)
         })
-        this.selectChip(findBox >= 0 ? this.resultData.detections[findBox].resultIndex : this.selectedChip)
+        const numBoxes = boxCoords.length
+        let clickX = (e.offsetX - this.canvasOffset.x) / this.canvasZoom
+        let clickY = (e.offsetY - this.canvasOffset.y) / this.canvasZoom
+        let boxEnd = boxCoords.splice(0, this.selectedChip)
+        boxCoords = boxCoords.concat(boxEnd)
+        const findBox = boxCoords.findIndex( (r, i) => { 
+          let di = loopIndex(i)
+          if (di == this.selectedChip ) return false
+          return r.clickable && 
+            r.left <= clickX &&
+            r.right >= clickX &&
+            r.top <= clickY &&
+            r.bottom >= clickY
+        })
+        this.selectChip(findBox >= 0 ? this.resultData.detections[loopIndex(findBox)].resultIndex : this.selectedChip)
       },
-      box2cvs(boxInput) {
+      toggleSettings() {
-        if (!boxInput || boxInput.length == 0) return []
+        this.showDetectSettings = !this.showDetectSettings
-        const boxList = boxInput.length ? boxInput : [boxInput]
+        f7.utils.nextFrame(() => {
-        const [imCanvas, imageCtx] = this.resetView()
+          this.selectChip("redraw")
-        var imgWidth
-        var imgHeight
-        const imgAspect = this.imageView.width / this.imageView.height
-        const rendAspect = imCanvas.width / imCanvas.height
-        if (imgAspect >= rendAspect) {
-          imgWidth = imCanvas.width
-          imgHeight = imCanvas.width / imgAspect
-        } else {
-          imgWidth = imCanvas.height * imgAspect
-          imgHeight = imCanvas.height
-        }
-        const cvsCoords = boxList.map( (d, i) => {
-          return {
-            "cvsLeft": (imCanvas.width - imgWidth) / 2 + d.left * imgWidth,
-            "cvsRight": (imCanvas.width - imgWidth) / 2 + d.right * imgWidth,
-            "cvsTop": (imCanvas.height - imgHeight) / 2 + d.top * imgHeight,
-            "cvsBottom": (imCanvas.height - imgHeight) / 2 + d.bottom * imgHeight
-          }
         })
-        return cvsCoords
+      },
+      startMove() {
+        canvasMoving = true
+      },
+      endMove() {
+        canvasMoving = false
+      },
+      makeMove(event) {
+        if (canvasMoving) {
+          this.canvasOffset.x += event.movementX
+          this.canvasOffset.y += event.movementY
+          this.selectChip("redraw")
+        }
+      },
+      spinWheel(event) {
+        let zoomFactor
+        if (event.wheelDelta > 0) {
+          zoomFactor = 1.05
+        } else if (event.wheelDelta < 0) {
+          zoomFactor = 1 / 1.05
+        }
+        this.canvasZoom *= zoomFactor
+        this.canvasOffset.x = event.offsetX * (1 - zoomFactor) + this.canvasOffset.x * zoomFactor
+        this.canvasOffset.y = event.offsetY * (1 - zoomFactor) + this.canvasOffset.y * zoomFactor
+        this.selectChip("redraw")
+      },
+      resetZoom() {
+        this.canvasZoom = 1
+        this.canvasOffset.x = 0
+        this.canvasOffset.y = 0
+        this.selectChip("redraw")
+      },
+      zoomToSelected() {
+        const imCanvas = this.$refs.image_cvs
+        const boxCoords = this.resultData.detections[this.selectedChip].box.getBoxes('point', this.imageView, imCanvas)
+        const boxWidth = boxCoords[1].right - boxCoords[1].left
+        const boxHeight = boxCoords[1].bottom - boxCoords[1].top
+        const boxMidX = (boxCoords[1].right + boxCoords[1].left ) / 2
+        const boxMidY = (boxCoords[1].bottom + boxCoords[1].top ) / 2
+        const zoomFactor = Math.min(imCanvas.width / boxWidth * .9, imCanvas.height / boxHeight * .9, 8)
+        this.canvasZoom = zoomFactor
+        this.canvasOffset.x = -(boxMidX * zoomFactor) + imCanvas.width / 2
+        this.canvasOffset.y = -(boxMidY * zoomFactor) + imCanvas.height / 2
+        this.selectChip("redraw")
+        this.structureZoomed = true
       }
     }
   }

src/pages/detection-mixin.js

@@ -46,11 +46,11 @@ export default {
       let rawBoxes = []
       let rawScores = []
 
-      for (var i = 0; i < rawRes.length; i++) {
+      for (let i = 0; i < rawRes.length; i++) {
-        var getScores = rawRes[i].slice(4)
+        const getScores = rawRes[i].slice(4)
         if (getScores.every( s => s < .05)) { continue }
-        var getBox = rawRes[i].slice(0,4)
+        const getBox = rawRes[i].slice(0,4)
-        var boxCalc = [
+        const boxCalc = [
           (getBox[0] - (getBox[2] / 2)) / modelWidth,
           (getBox[1] - (getBox[3] / 2)) / modelHeight,
           (getBox[0] + (getBox[2] / 2)) / modelWidth,
@@ -69,7 +69,7 @@ export default {
         let boxes_data = []
         let scores_data = []
         let classes_data = []
-        for (var c = 0; c < outputSize - 4; c++) {
+        for (let c = 0; c < outputSize - 4; c++) {
           structureScores = rawScores.map(x => x[c])
           tScores = tf.tensor1d(structureScores)
           resBoxes = await tf.image.nonMaxSuppressionAsync(tBoxes,tScores,10,0.5,.05)
@@ -77,7 +77,7 @@ export default {
           tf.dispose(resBoxes)
           if (validBoxes) {
             boxes_data.push(...rawBoxes.filter( (_, idx) => validBoxes.includes(idx)))
-            var outputScores = structureScores.filter( (_, idx) => validBoxes.includes(idx))
+            let outputScores = structureScores.filter( (_, idx) => validBoxes.includes(idx))
             scores_data.push(...outputScores)
             classes_data.push(...outputScores.fill(c))
           }
@@ -88,11 +88,11 @@ export default {
         tf.dispose(tScores)
         tf.dispose(tRes)
         const valid_detections_data = classes_data.length
-        var output = {
+        const output = {
           detections: []
         }
-        for (var i =0; i < valid_detections_data; i++) {
+        for (let i =0; i < valid_detections_data; i++) {
-          var [dLeft, dTop, dRight, dBottom] = boxes_data[i]
+          const [dLeft, dTop, dRight, dBottom] = boxes_data[i]
           output.detections.push({
             "top": dTop,
             "left": dLeft,
@@ -110,9 +110,9 @@ export default {
       return output || { detections: [] }
     },
     getRemoteLabels() {
-      var self = this
+      let self = this
-      var modelURL = `http://${this.serverSettings.address}:${this.serverSettings.port}/detectors`
+      const modelURL = `http://${this.serverSettings.address}:${this.serverSettings.port}/detectors`
-      var xhr = new XMLHttpRequest()
+      let xhr = new XMLHttpRequest()
       xhr.open("GET", modelURL)
       xhr.setRequestHeader('Content-Type', 'application/json')
       xhr.timeout = 10000
@@ -124,8 +124,8 @@ export default {
           f7.dialog.alert(`ALVINN has encountered an error: ${errorResponse.error}`)
           return
         }
-        var detectors = JSON.parse(xhr.response).detectors
+        const detectors = JSON.parse(xhr.response).detectors
-        var findLabel = detectors
+        let findLabel = detectors
           .find( d => { return d.name == self.detectorName } )?.labels
           .filter( l => { return l != "" } ).sort()
           .map( l => { return {'name': l, 'detect': true} } )
@@ -139,9 +139,9 @@ export default {
       xhr.send()
     },
     remoteDetect() {
-      var self = this
+      let self = this
-      var modelURL = `http://${this.serverSettings.address}:${this.serverSettings.port}/detect`
+      const modelURL = `http://${this.serverSettings.address}:${this.serverSettings.port}/detect`
-      var xhr = new XMLHttpRequest()
+      let xhr = new XMLHttpRequest()
       xhr.open("POST", modelURL)
       xhr.timeout = 10000
       xhr.ontimeout = this.remoteTimeout
@@ -158,7 +158,7 @@ export default {
         self.uploadDirty = true
       }
       
-      var doodsData = {
+      const doodsData = {
         "detector_name": this.detectorName,
         "detect": {
           "*": 1
@@ -172,8 +172,8 @@ export default {
       this.detecting = false
       f7.dialog.alert('No connection to remote ALVINN instance.  Please check app settings.')
     },
-    async videoFrameDetect (vidData) {
+    async videoFrameDetect (vidData, miniModel) {
-      await this.loadModel(this.miniLocation)
+      await this.loadModel(miniModel)
       const [modelWidth, modelHeight] = model.inputs[0].shape.slice(1, 3)
       const imCanvas = this.$refs.image_cvs
       const imageCtx = imCanvas.getContext("2d")
@@ -182,8 +182,7 @@ export default {
       imCanvas.width = imCanvas.clientWidth
       imCanvas.height = imCanvas.clientHeight
       imageCtx.clearRect(0,0,imCanvas.width,imCanvas.height)
-      var imgWidth
+      let imgWidth, imgHeight
-      var imgHeight
       const imgAspect = vidData.width / vidData.height
       const rendAspect = imCanvas.width / imCanvas.height
       if (imgAspect >= rendAspect) {
@@ -204,7 +203,7 @@ export default {
 
           let rawCoords = []
           if (rawRes) {
-            for (var i = 0; i < rawRes.length; i++) {
+            for (let i = 0; i < rawRes.length; i++) {
               let getScores = rawRes[i].slice(4) 
               if (getScores.some( s => s > .5)) {
                 let foundTarget = rawRes[i].slice(0,2)
@@ -214,7 +213,7 @@ export default {
             }
 
             imageCtx.clearRect(0,0,imCanvas.width,imCanvas.height)
-            for (var coord of rawCoords) {
+            for (let coord of rawCoords) {
               console.log(`x: ${coord[0]}, y: ${coord[1]}`)
               let pointX = (imCanvas.width - imgWidth) / 2 + (coord[0] / modelWidth) * imgWidth -5
               let pointY = (imCanvas.height - imgHeight) / 2 + (coord[1] / modelHeight) * imgHeight -5

src/pages/help.vue

@@ -21,6 +21,7 @@
               </ul>
             </li>
             <li>Click on the image file icon <SvgIcon icon="photo_library" class="list-svg"/> to load a picture from the device storage.</li>
+            <li>If the clipboard is available on the system, then there will be a paste icon <SvgIcon icon="clipboard" class="list-svg"/> to paste image data directly into the app.</li>
             <li>If demo mode is turned on, you can click on the marked image icon <SvgIcon icon="photo_sample" class="list-svg"/> to load an ALVINN sample image.</li>
           </ul>
         </li>
@@ -30,8 +31,11 @@
             <li>Click on each tag to see the structure highlighted in the image or click on the image to see the tag for that structure (additional clicks to the same area will select overlapping structres).</li>
             <li>Tag color and proportion filled indicate ALVINN's level of confidence in the identification.</li>
             <li>An incorrect tag can be deleted by clicking on the tag's <f7-icon icon="chip-delete" style="margin-right: 1px;"></f7-icon> button.</li>
+            <li>Click on the zoom to structure button <SvgIcon icon="zoom_to" class="list-svg"/> to magnify the view of the selected structure</li>
           </ul>
         </li>
+        <li>Pan (middle click or touch and drag) and zoom (mouse wheel or pinch) to manually select detailed views in the image.</li>
+        <li>The reset zoom button <SvgIcon icon="reset_zoom" class="list-svg"/> will return the image to its initial position and magnification.</li>
       </ol>
     <h2>Advanced Features</h2>
     <h3>Detection Parameters</h3>

src/pages/settings.vue

@@ -91,7 +91,7 @@
     computed: {
       otherIp () {
         let filteredIps = {}
-        for (var oldIp in this.serverSettings.previous) {
+        for (let oldIp in this.serverSettings.previous) {
           if (oldIp != this.serverSettings.address) {
             filteredIps[oldIp] = this.serverSettings.previous[oldIp]
           }
@@ -109,12 +109,12 @@
       }
     },
     created () {
-        var loadServerSettings = localStorage.getItem('serverSettings')
+        const loadServerSettings = localStorage.getItem('serverSettings')
         if (loadServerSettings) this.serverSettings =  JSON.parse(loadServerSettings)
         if (!this.serverSettings.previous) this.serverSettings.previous = {}
-        var loadThemeSettings = localStorage.getItem('themeSettings')
+        const loadThemeSettings = localStorage.getItem('themeSettings')
         if (loadThemeSettings) this.themeSettings = JSON.parse(loadThemeSettings)
-        var loadOtherSettings = localStorage.getItem('otherSettings')
+        const loadOtherSettings = localStorage.getItem('otherSettings')
         if (loadOtherSettings) this.otherSettings = JSON.parse(loadOtherSettings)
     },
     methods: {
@@ -136,7 +136,7 @@
         )
         saveSetting.then(
           () => {
-            var toast = f7.toast.create({
+            const toast = f7.toast.create({
               text: 'Settings saved',
               closeTimeout: 2000
             })
@@ -144,7 +144,7 @@
             this.isDirty = false;
           },
           () => {
-            var toast = f7.toast.create({
+            const toast = f7.toast.create({
               text: 'ERROR: No settings saved',
               closeTimeout: 2000
             })

src/pages/specs.vue

@@ -8,6 +8,7 @@
         <f7-block-title medium>Details</f7-block-title>
         <f7-list>
           <f7-list-item title="Version" :after="alvinnVersion"></f7-list-item>
+          <f7-list-item title="Build" :after="alvinnBuild"></f7-list-item>
           <f7-list-item title="Workers" :after="useWorkers ? 'Enabled' : 'Disabled'"></f7-list-item>
         </f7-list>
         <f7-block-title medium>Models</f7-block-title>
@@ -52,8 +53,8 @@
         headneckDetails: {},
         miniHeadneckDetails: {},
         alvinnVersion: store().getVersion,
+        alvinnBuild: store().getBuild,
         isCordova: !!window.cordova,
-        isSafari: store().isSafari,
         useWorkers: store().useWorkers,
         otherSettings: {}
       }
@@ -62,7 +63,7 @@
       return store()
     },
     created () {
-      var loadOtherSettings = localStorage.getItem('otherSettings')
+      const loadOtherSettings = localStorage.getItem('otherSettings')
       if (loadOtherSettings) this.otherSettings = JSON.parse(loadOtherSettings)
         fetch(`${this.isCordova ? 'https://localhost' : '.'}/models/thorax/descript.json`)
           .then((mod) => { return mod.json() })

src/pages/submit-mixin.js

@@ -5,8 +5,8 @@ export default {
     newUid (length) {
       const uidLength = length || 16
       const uidChars = 'abcdefghijklmnopqrstuvwxyz0123456789'
-      var uid = []
+      let uid = []
-      for (var i = 0; i < uidLength; i++) {
+      for (let i = 0; i < uidLength; i++) {
         uid.push(uidChars.charAt(Math.floor(Math.random() * ((i < 4) ? 26 : 36))))
       }
       return uid.join('')
@@ -14,24 +14,23 @@ export default {
     uploadData (imagePayload, classPayload, prevUid) {
       let uploadImage = new Promise (resolve => {
         const dataUid = prevUid || this.newUid(16)
-        var byteChars = window.atob(imagePayload)
+        let byteChars = window.atob(imagePayload)
-        var byteArrays = []
+        let byteArrays = []
-        var len = byteChars.length
     
-        for (var offset = 0; offset < len; offset += 1024) {
+        for (let offset = 0; offset < byteChars.length; offset += 1024) {
-          var slice = byteChars.slice(offset, offset + 1024)
+          let slice = byteChars.slice(offset, offset + 1024)
-          var byteNumbers = new Array(slice.length)
+          let byteNumbers = new Array(slice.length)
-          for (var i = 0; i < slice.length; i++) {
+          for (let i = 0; i < slice.length; i++) {
             byteNumbers[i] = slice.charCodeAt(i)
           }
 
-          var byteArray = new Uint8Array(byteNumbers)
+          let byteArray = new Uint8Array(byteNumbers)
           byteArrays.push(byteArray)
         }  
-        var imageBlob = new Blob(byteArrays, {type: 'image/jpeg'})   
+        const imageBlob = new Blob(byteArrays, {type: 'image/jpeg'})   
 
-        var xhrJpg = new XMLHttpRequest()
+        let xhrJpg = new XMLHttpRequest()
-        var uploadUrl = `https://nextcloud.azgeorgis.net/public.php/webdav/${dataUid}.jpeg`
+        let uploadUrl = `https://nextcloud.azgeorgis.net/public.php/webdav/${dataUid}.jpeg`
         xhrJpg.open("PUT", uploadUrl)
         xhrJpg.setRequestHeader('Content-Type', 'image/jpeg')
         xhrJpg.setRequestHeader('X-Method-Override', 'PUT')
@@ -39,8 +38,8 @@ export default {
         xhrJpg.setRequestHeader("Authorization", "Basic " + btoa("LKBm3H6JdSaywyg:"))
         xhrJpg.send(imageBlob)
 
-        var xhrTxt = new XMLHttpRequest()
+        let xhrTxt = new XMLHttpRequest()
-        var uploadUrl = `https://nextcloud.azgeorgis.net/public.php/webdav/${dataUid}.txt`
+        uploadUrl = `https://nextcloud.azgeorgis.net/public.php/webdav/${dataUid}.txt`
         xhrTxt.open("PUT", uploadUrl)
         xhrTxt.setRequestHeader('Content-Type', 'text/plain')
         xhrTxt.setRequestHeader('X-Method-Override', 'PUT')
@@ -51,7 +50,7 @@ export default {
         resolve(dataUid)
       })
       return uploadImage.then((newUid) => {
-        var toast = f7.toast.create({
+        const toast = f7.toast.create({
           text: 'Detections Uploaded: thank you.',
           closeTimeout: 2000
         })

src/pages/touch-mixin.js

@@ -0,0 +1,51 @@
+export default {
+  data () {
+    return {
+      touchPrevious: {}
+    }
+  },
+  methods: {
+    startTouch(event) {
+      if (event.touches.length == 1) {
+        this.touchPrevious = {x: event.touches[0].clientX, y: event.touches[0].clientY}
+      }
+      if (event.touches.length == 2) {
+        let midX = (event.touches.item(0).clientX + event.touches.item(1).clientX) / 2
+        let midY = (event.touches.item(0).clientY + event.touches.item(1).clientY) / 2
+        this.touchPrevious = {distance: this.touchDistance(event.touches), x: midX, y: midY}
+      }
+    },
+    endTouch(event) {
+      if (event.touches.length == 1) {
+        this.touchPrevious = {x: event.touches[0].clientX, y: event.touches[0].clientY}
+      } else {
+        //this.debugInfo = null
+      }
+    },
+    moveTouch(event) {
+      switch (event.touches.length) {
+        case 1:
+          this.canvasOffset.x += event.touches[0].clientX - this.touchPrevious.x
+          this.canvasOffset.y += event.touches[0].clientY - this.touchPrevious.y
+          this.touchPrevious = {x: event.touches[0].clientX, y: event.touches[0].clientY}
+          break;
+        case 2:
+          let newDistance = this.touchDistance(event.touches)
+          let midX = (event.touches.item(0).clientX + event.touches.item(1).clientX) / 2
+          let midY = (event.touches.item(0).clientY + event.touches.item(1).clientY) / 2
+          let zoomFactor = newDistance / this.touchPrevious.distance
+          this.canvasZoom *= zoomFactor
+          this.canvasOffset.x = (midX - 16) * (1 - zoomFactor) + this.canvasOffset.x * zoomFactor + (midX - this.touchPrevious.x)
+          this.canvasOffset.y = (midY - 96) * (1 - zoomFactor) + this.canvasOffset.y * zoomFactor + (midY - this.touchPrevious.y)
+          this.touchPrevious = {distance: newDistance, x: midX, y: midY}
+          break;
+      }
+      this.selectChip("redraw")
+    },
+    touchDistance(touches) {
+      let touch1 = touches.item(0)
+      let touch2 = touches.item(1)
+      return Math.sqrt((touch1.clientX - touch2.clientX) ** 2 + (touch1.clientY - touch2.clientY) ** 2)
+    }
+  }
+}