{"id":34928,"date":"2021-01-10T16:55:08","date_gmt":"2021-01-10T16:55:08","guid":{"rendered":"https:\/\/www.myedme.com\/login\/?p=34928"},"modified":"2022-03-12T06:08:38","modified_gmt":"2022-03-12T06:08:38","slug":"screenshot-item-format","status":"publish","type":"post","link":"https:\/\/myedme.com\/login\/screenshot-item-format\/","title":{"rendered":"Webcam Picture Item Format"},"content":{"rendered":"\n\n\n\n\n Sample Screencapture Item Type<\/title>\n <meta charset='utf-8'>\n <style type=\"text\/css\" href=\"style.css\">\n #video {\n border: 1px solid black;\n box-shadow: 2px 2px 3px black;\n width: 320px;\n height: 240px;\n }\n\n #photo {\n border: 1px solid black;\n box-shadow: 2px 2px 3px black;\n width: 320px;\n height: 240px;\n }\n\n #canvas {\n display: none;\n }\n\n .camera {\n width: 340px;\n display: inline-block;\n }\n\n .output {\n width: 340px;\n display: inline-block;\n }\n\n #startbutton {\n display: block;\n position: relative;\n margin-left: auto;\n margin-right: auto;\n bottom: 32px;\n background-color: lightgreen;\n border: 1px solid rgba(255, 255, 255, 0.7);\n box-shadow: 0px 0px 1px 2px rgba(0, 0, 0, 0.2);\n font-size: 14px;\n font-family: \"Lucida Grande\", \"Arial\", sans-serif;\n color: rgba(255, 255, 255, 1.0);\n }\n\n #savebutton {\n display: block;\n position: relative;\n margin-left: auto;\n margin-right: auto;\n bottom: 32px;\n background-color: rgba(0, 150, 0, 0.5);\n border: 1px solid rgba(255, 255, 255, 0.7);\n box-shadow: 0px 0px 1px 2px rgba(0, 0, 0, 0.2);\n font-size: 14px;\n font-family: \"Lucida Grande\", \"Arial\", sans-serif;\n color: rgba(255, 255, 255, 1.0);\n }\n\n .contentarea {\n font-size: 16px;\n font-family: \"Lucida Grande\", \"Arial\", sans-serif;\n width: 760px;\n }\n <\/style>\n<\/head>\n\n<body>\n <div class=\"row\">\n <div class=\"contentarea\">\n <h1>\n Sample Screencapture Item Type\n <\/h1>\n <p>\n Upload your screenshot here.\n <\/p>\n <div class=\"row\">\n <div class=\"col-sm-6\" style=\"text-align: left; float: left;\">\n <div class=\"camera\">\n <video id=\"video\">Video stream not available.<\/video>\n <button id=\"startbutton\">Take photo<\/button>\n <\/div>\n <\/div>\n <div class=\"col-sm-6\" style=\"text-align: left; float: left;\">\n <canvas id=\"canvas\">\n <\/canvas>\n <div class=\"output\">\n <img id=\"photo\" alt=\"The screen capture will appear in this box.\">\n <button id=\"savebutton\" style=\"display: none;\">Save this photo<\/button>\n <\/div>\n <input type=\"file\" id=\"inputFile\" style=\"display: none;\">\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <p id=\"successText\" style=\"display: hidden;\">Thanks! Your file is uploaded! Click this buttong to move to the next\n question below.\n <\/p>\n <input type=\"button\" name=\"NextPage\" id=\"NextPage\" style=\"float : right; font-size : 20px;\"\n onclick=\"location.href='http:\/\/www.myedme.com\/login\/?p=10419'\" value=\" Next Page \">\n<\/body>\n\n<\/html>\n<script>\n (function () {\n \/\/ The width and height of the captured photo. We will set the\n \/\/ width to the value defined here, but the height will be\n \/\/ calculated based on the aspect ratio of the input stream.\n\n var width = 320; \/\/ We will scale the photo width to this\n var height = 0; \/\/ This will be computed based on the input stream\n\n \/\/ |streaming| indicates whether or not we're currently streaming\n \/\/ video from the camera. Obviously, we start at false.\n\n var streaming = false;\n\n \/\/ The various HTML elements we need to configure or control. These\n \/\/ will be set by the startup() function.\n\n var video = null;\n var canvas = null;\n var photo = null;\n var startbutton = null;\n var savebutton = null;\n var inputFile = null;\n var NextPage = null;\n\n\n function startup() {\n successText = document.querySelector('.successText');\n video = document.getElementById('video');\n canvas = document.getElementById('canvas');\n photo = document.getElementById('photo');\n startbutton = document.getElementById('startbutton');\n savebutton = document.getElementById('savebutton');\n inputFile = document.getElementById('inputFile');\n NextPage = document.getElementById('NextPage');\n\n navigator.mediaDevices.getUserMedia({\n video: true,\n audio: false\n })\n .then(function (stream) {\n video.srcObject = stream;\n video.play();\n })\n .catch(function (err) {\n console.log(\"An error occurred: \" + err);\n });\n\n video.addEventListener('canplay', function (ev) {\n if (!streaming) {\n height = video.videoHeight \/ (video.videoWidth \/ width);\n\n \/\/ Firefox currently has a bug where the height can't be read from\n \/\/ the video, so we will make assumptions if this happens.\n\n if (isNaN(height)) {\n height = width \/ (4 \/ 3);\n }\n\n video.setAttribute('width', width);\n video.setAttribute('height', height);\n canvas.setAttribute('width', width);\n canvas.setAttribute('height', height);\n streaming = true;\n }\n }, false);\n\n startbutton.addEventListener('click', function (ev) {\n takepicture();\n ev.preventDefault();\n }, false);\n\n clearphoto();\n }\n\n \/\/ Fill the photo with an indication that none has been\n \/\/ captured.\n\n function clearphoto() {\n var context = canvas.getContext('2d');\n context.fillStyle = \"#AAA\";\n context.fillRect(0, 0, canvas.width, canvas.height);\n\n var data = canvas.toDataURL('image\/png');\n photo.setAttribute('src', data);\n }\n\n \/\/ Capture a photo by fetching the current contents of the video\n \/\/ and drawing it into a canvas, then converting that to a PNG\n \/\/ format data URL. By drawing it on an offscreen canvas and then\n \/\/ drawing that to the screen, we can change its size and\/or apply\n \/\/ other changes before drawing it.\n\n function takepicture() {\n var context = canvas.getContext('2d');\n if (width && height) {\n canvas.width = width;\n canvas.height = height;\n context.drawImage(video, 0, 0, width, height);\n document.getElementById(\"savebutton\").style.visibility = \"visible\";\n document.getElementById(\"savebutton\").style.display = \"block\";\n \/\/Displaying screenshot\n \/\/Isolating pic data to save the data\n var picFile = canvas.toDataURL('image\/png');\n photo.setAttribute('src', picFile);\n var picArray = picFile.split(\",\");\n var picType = picArray[0];\n var picString = picArray[1];\n console.log(\"type: \" + picType + \" data: \" + picString + \"\/n picFile: \" + picFile);\n\n \/\/var pic_data2 = canvas.toBlob(context,\"image\/jpeg\",0.8);\n \/\/var picFile = canvas.toDataURL(\"image\/png\").replace(\"image\/png\", \"image\/octet-stream\");\n \/\/picFile = picFile.prop('files')[0];\n \/\/canvas.toBlob(function(blob) {\n \/\/ saveAs(blob, \"SRL01d.png\");\n \/\/});\n savebutton.addEventListener('click', function (ev) {\n console.log(\"Saving photo.\")\n\n \/\/pic_data = new FormData();\n \/\/pic_data.append('file', data);\n console.log(\"Pic file: \" + picFile);\n var photoData = {\n 'publicKey2': 'saving link for stuAns 2',\n 'publicKey1': 'saving link for stuAns 1',\n 'stuAns1': 'photoLink',\n 'stuAns2': '88',\n 'stuAns3': 'photoLink',\n 'stem': 'Link for SRL01d',\n 'keys1': '5',\n 'keys2': '88',\n 'answerId': 'pic',\n 'queId': 'SRL01d',\n 'contextGrp1': '4OA3',\n 'contextGrp2': 'MP',\n 'score1': '0',\n 'score2': '88',\n 'questionNum': '12',\n 'chapterName': 'SRL',\n 'queFormat': '6',\n 'nextAddress': 'https:\/\/www.myedme.com\/login\/SRL01e',\n 'action': 'edme_pic_function',\n 'type': 'POST',\n 'file': picFile\n }\n document.getElementById(\"NextPage\").style.backgroundColor = \"green\";\n document.getElementById(\"successText\").style.backgroundColor = \"green\";\n document.getElementById(\"successText\").style.color = \"white\";\n document.getElementById(\"NextPage\").style.color = \"white\";\n jQuery.post('https:\/\/myedme.com\/login\/wp-admin\/admin-ajax.php', photoData, function (response) {\n \/\/\t\t alert('Got this from the server: ' + response);\n console.log('sending photo');\n console.log('Got this from the server: ' + response);\n document.getElementById(\"NextPage\").style.backgroundColor = \"green\";\n });\n });\n } else {\n clearphoto();\n }\n }\n\n\n\n \/\/ Set up our event listener to run the startup process\n \/\/ once loading is complete.\n window.addEventListener('load', startup, false);\n })();\n<\/script>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sample Screencapture Item Type Sample Screencapture Item Type Upload your screenshot here. Video stream not available. Take photo Save this photo Thanks! Your file is uploaded! Click this buttong to move to the next question below.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34928","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/posts\/34928","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/comments?post=34928"}],"version-history":[{"count":5,"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/posts\/34928\/revisions"}],"predecessor-version":[{"id":35752,"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/posts\/34928\/revisions\/35752"}],"wp:attachment":[{"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/media?parent=34928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/categories?post=34928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/myedme.com\/login\/wp-json\/wp\/v2\/tags?post=34928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}