From 258f6a6afff31fd0d9ba6017d1863cca83b68af5 Mon Sep 17 00:00:00 2001
From: omigamedev <omarator@gmail.com>
Date: Fri, 11 Oct 2019 16:53:32 +0200
Subject: [PATCH] add custom index.html loader

---
 webgl/src/index.html | 363 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 363 insertions(+)
 create mode 100644 webgl/src/index.html
diff --git a/webgl/src/index.html b/webgl/src/index.html
new file mode 100644
index 0000000..5062b9a
--- /dev/null
+++ b/webgl/src/index.html
@@ -0,0 +1,363 @@
+<!doctype html>
+<html lang="en-us">
+  <head>
+    <!-- Global site tag (gtag.js) - Google Analytics -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-115610833-1"></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag(){dataLayer.push(arguments);}
+      gtag('js', new Date());
+      gtag('config', 'UA-115610833-1');
+    </script>
+
+    <meta charset="utf-8">
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <title>PanoPainter - WebGL</title>
+    <style>
+      body {
+        font-family: arial;
+        margin: 0;
+        padding: none;
+      }
+
+      .emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block;}
+      div.emscripten { text-align: center; }      
+      div.emscripten_border { border: 1px solid black; }
+      /* the canvas *must not* have any border or padding, or mouse coords will be wrong */
+      canvas.emscripten { border: 0px none; background-color: black; }
+
+      #emscripten_logo {
+        display: inline-block;
+        margin: 0;
+      }
+
+      .spinner {
+        height: 30px;
+        width: 30px;
+        margin: 0;
+        margin-top: 20px;
+        margin-left: 20px;
+        display: inline-block;
+        vertical-align: top;
+
+        -webkit-animation: rotation .8s linear infinite;
+        -moz-animation: rotation .8s linear infinite;
+        -o-animation: rotation .8s linear infinite;
+        animation: rotation 0.8s linear infinite;
+
+        border-left: 5px solid rgb(235, 235, 235);
+        border-right: 5px solid rgb(235, 235, 235);
+        border-bottom: 5px solid rgb(235, 235, 235);
+        border-top: 5px solid rgb(120, 120, 120);
+        
+        border-radius: 100%;
+        background-color: rgb(189, 215, 46);
+      }
+
+      @-webkit-keyframes rotation {
+        from {-webkit-transform: rotate(0deg);}
+        to {-webkit-transform: rotate(360deg);}
+      }
+      @-moz-keyframes rotation {
+        from {-moz-transform: rotate(0deg);}
+        to {-moz-transform: rotate(360deg);}
+      }
+      @-o-keyframes rotation {
+        from {-o-transform: rotate(0deg);}
+        to {-o-transform: rotate(360deg);}
+      }
+      @keyframes rotation {
+        from {transform: rotate(0deg);}
+        to {transform: rotate(360deg);}
+      }
+
+      #status {
+        display: inline-block;
+        vertical-align: top;
+        margin-top: 30px;
+        margin-left: 20px;
+        font-weight: bold;
+        color: rgb(120, 120, 120);
+      }
+
+      #progress {
+        height: 20px;
+        width: 300px;
+      }
+
+      #controls {
+        display: inline-block;
+        float: right;
+        vertical-align: top;
+        margin-top: 30px;
+        margin-right: 20px;
+      }
+
+      #output {
+        width: 100%;
+        height: 200px;
+        margin: 0 auto;
+        margin-top: 10px;
+        border-left: 0px;
+        border-right: 0px;
+        padding-left: 0px;
+        padding-right: 0px;
+        display: block;
+        background-color: black;
+        color: white;
+        font-family: 'Lucida Console', Monaco, monospace;
+        outline: none;
+      }
+    </style>
+  </head>
+  <body>
+
+
+<!--
+<span id='controls'>
+  <span><input type="checkbox" id="resize" checked>Resize canvas</span>
+  <span><input type="checkbox" id="pointerLock">Lock/hide mouse pointer &nbsp;&nbsp;&nbsp;</span>
+  <span><input type="button" value="Fullscreen" onclick="Module.requestFullscreen(document.getElementById('pointerLock').checked, 
+                                                                            document.getElementById('resize').checked)">
+  </span>
+</span>
+-->
+    <div style="text-align: center;">
+      <div>
+        <div class="spinner" id='spinner'></div>
+        <div class="emscripten" id="status">Downloading...</div>
+        <div><progress value="0" max="100" id="progress" hidden=1></progress></div>
+      </div>
+      <canvas style="margin: auto; display: block;" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
+    </div>
+    <!-- <textarea id="output" rows="8"></textarea> -->
+
+    <script type='text/javascript'>
+      var statusElement = document.getElementById('status');
+      var progressElement = document.getElementById('progress');
+      var spinnerElement = document.getElementById('spinner');
+
+      var Module = {
+        preRun: [],
+        postRun: [],
+        print: (function() {
+          var element = document.getElementById('output');
+          if (element) element.value = ''; // clear browser cache
+          return function(text) {
+            if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
+            // These replacements are necessary if you render to raw HTML
+            //text = text.replace(/&/g, "&amp;");
+            //text = text.replace(/</g, "&lt;");
+            //text = text.replace(/>/g, "&gt;");
+            //text = text.replace('\n', '<br>', 'g');
+            console.log(text);
+            if (element) {
+              element.value += text + "\n";
+              element.scrollTop = element.scrollHeight; // focus on bottom
+            }
+          };
+        })(),
+        printErr: function(text) {
+          if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
+          console.error(text);
+        },
+        canvas: (function() {
+          var canvas = document.getElementById('canvas');
+
+          // As a default initial behavior, pop up an alert when webgl context is lost. To make your
+          // application robust, you may want to override this behavior before shipping!
+          // See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
+          canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
+
+          return canvas;
+        })(),
+        setStatus: function(text) {
+          if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
+          if (text === Module.setStatus.last.text) return;
+          var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
+          var now = Date.now();
+          if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
+          Module.setStatus.last.time = now;
+          Module.setStatus.last.text = text;
+          if (m) {
+            text = m[1];
+            progressElement.value = parseInt(m[2])*100;
+            progressElement.max = parseInt(m[4])*100;
+            progressElement.hidden = false;
+            spinnerElement.hidden = false;
+          } else {
+            progressElement.value = null;
+            progressElement.max = null;
+            progressElement.hidden = true;
+            if (!text) spinnerElement.style.display = 'none';
+          }
+          statusElement.innerHTML = text;
+          if (!text)
+            statusElement.style.display = 'none';
+        },
+        totalDependencies: 0,
+        monitorRunDependencies: function(left) {
+          this.totalDependencies = Math.max(this.totalDependencies, left);
+          Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
+        }
+      };
+      Module.setStatus('Downloading...');
+      window.onerror = function(event) {
+        // TODO: do not warn on ok events like simulating an infinite loop or exitStatus
+        Module.setStatus('Exception thrown, see JavaScript console');
+        Module.print(event);
+        if (event.includes("shared memory"))
+          Module.setStatus("<b>Shared Memory Disabled!</b><br/>If you are using <b>Firefox</b> here's how to fix the error: <a href=\"https://subscription.packtpub.com/book/web_development/9781788628174/5/ch05lvl1sec47/enabling-sharedarraybuffers-in-firefox\"><br/>How to enable Firefox Shared Memory</a>")
+        spinnerElement.style.display = 'none';
+        Module.setStatus = function(text) {
+          if (text) Module.printErr('[post-exception status] ' + text);
+        };
+      };
+      window.onresize = function(){
+          Module.setCanvasSize(window.innerWidth, window.innerHeight);
+      };
+    </script>
+    <script>
+var ASSERTIONS = 2;
+// Copyright 2017 The Emscripten Authors.  All rights reserved.
+// Emscripten is available under two separate licenses, the MIT license and the
+// University of Illinois/NCSA Open Source License.  Both these licenses can be
+// found in the LICENSE file.
+
+// Prefix of data URIs emitted by SINGLE_FILE and related options.
+var dataURIPrefix = 'data:application/octet-stream;base64,';
+
+// Indicates whether filename is a base64 data URI.
+function isDataURI(filename) {
+  return String.prototype.startsWith ?
+      filename.startsWith(dataURIPrefix) :
+      filename.indexOf(dataURIPrefix) === 0;
+}
+
+
+
+// Copied from https://github.com/strophe/strophejs/blob/e06d027/src/polyfills.js#L149
+
+// This code was written by Tyler Akins and has been placed in the
+// public domain.  It would be nice if you left this header intact.
+// Base64 code from Tyler Akins -- http://rumkin.com
+
+/**
+ * Decodes a base64 string.
+ * @param {String} input The string to decode.
+ */
+var decodeBase64 = typeof atob === 'function' ? atob : function (input) {
+  var keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+
+  var output = '';
+  var chr1, chr2, chr3;
+  var enc1, enc2, enc3, enc4;
+  var i = 0;
+  // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
+  input = input.replace(/[^A-Za-z0-9\+\/\=]/g, '');
+  do {
+    enc1 = keyStr.indexOf(input.charAt(i++));
+    enc2 = keyStr.indexOf(input.charAt(i++));
+    enc3 = keyStr.indexOf(input.charAt(i++));
+    enc4 = keyStr.indexOf(input.charAt(i++));
+
+    chr1 = (enc1 << 2) | (enc2 >> 4);
+    chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
+    chr3 = ((enc3 & 3) << 6) | enc4;
+
+    output = output + String.fromCharCode(chr1);
+
+    if (enc3 !== 64) {
+      output = output + String.fromCharCode(chr2);
+    }
+    if (enc4 !== 64) {
+      output = output + String.fromCharCode(chr3);
+    }
+  } while (i < input.length);
+  return output;
+};
+
+// Converts a string of base64 into a byte array.
+// Throws error on invalid input.
+function intArrayFromBase64(s) {
+  if (typeof ENVIRONMENT_IS_NODE === 'boolean' && ENVIRONMENT_IS_NODE) {
+    var buf;
+    try {
+      buf = Buffer.from(s, 'base64');
+    } catch (_) {
+      buf = new Buffer(s, 'base64');
+    }
+    return new Uint8Array(buf.buffer, buf.byteOffset, buf.byteLength);
+  }
+
+  try {
+    var decoded = decodeBase64(s);
+    var bytes = new Uint8Array(decoded.length);
+    for (var i = 0 ; i < decoded.length ; ++i) {
+      bytes[i] = decoded.charCodeAt(i);
+    }
+    return bytes;
+  } catch (_) {
+    throw new Error('Converting base64 string to bytes failed.');
+  }
+}
+
+// If filename is a base64 data URI, parses and returns data (Buffer on node,
+// Uint8Array otherwise). If filename is not a base64 data URI, returns undefined.
+function tryParseAsDataURI(filename) {
+  if (!isDataURI(filename)) {
+    return;
+  }
+
+  return intArrayFromBase64(filename.slice(dataURIPrefix.length));
+}
+
+
+// Copyright 2017 The Emscripten Authors.  All rights reserved.
+// Emscripten is available under two separate licenses, the MIT license and the
+// University of Illinois/NCSA Open Source License.  Both these licenses can be
+// found in the LICENSE file.
+
+/** @type {function(string, boolean=, number=)} */
+function intArrayFromString(stringy, dontAddNull, length) {
+  var len = length > 0 ? length : lengthBytesUTF8(stringy)+1;
+  var u8array = new Array(len);
+  var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
+  if (dontAddNull) u8array.length = numBytesWritten;
+  return u8array;
+}
+
+function intArrayToString(array) {
+  var ret = [];
+  for (var i = 0; i < array.length; i++) {
+    var chr = array[i];
+    if (chr > 0xFF) {
+      if (ASSERTIONS) {
+        assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ')  at offset ' + i + ' not in 0x00-0xFF.');
+      }
+      chr &= 0xFF;
+    }
+    ret.push(String.fromCharCode(chr));
+  }
+  return ret.join('');
+}
+
+
+
+          var memoryInitializer = 'panopainter.html.mem';
+          memoryInitializer = Module['locateFile'] ? Module['locateFile'](memoryInitializer, '') : memoryInitializer;
+          Module['memoryInitializerRequestURL'] = memoryInitializer;
+          var meminitXHR = Module['memoryInitializerRequest'] = new XMLHttpRequest();
+          meminitXHR.open('GET', memoryInitializer, true);
+          meminitXHR.responseType = 'arraybuffer';
+          meminitXHR.send(null);
+
+          var script = document.createElement('script');
+          script.src = "panopainter.js";
+          document.body.appendChild(script);
+
+</script>
+  </body>
+</html>
+
+
