mirror of https://github.com/espruino/BangleApps
183 lines
7.8 KiB
HTML
183 lines
7.8 KiB
HTML
<html>
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<head>
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<link rel="stylesheet" href="../../css/spectre.min.css">
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</head>
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<body>
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<input type="radio" id="useTEXT" name="mode" checked/>
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<label for="useTEXT">Use text (for example an URL):</label>
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<input type="text" id="text" class="form-input" value="www.espruino.com">
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<hr>
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<input type="radio" id="useWIFI" name="mode"/>
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<label for="useWIFI">Use Wifi Credentials:</label>
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<input type="text" id="ssid" class="form-input" value="">
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<p>Wifi password: <input type="password" id="password" class="form-input" value=""></p>
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<div class="form-group">
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<label for="encryption" class="control-label">Encryption</label>
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<div class="input-group">
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<select name="encryption" id="encryption" class="form-control">
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<option value="WPA">WPA/WPA2</option>
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<option value="WEP">WEP</option>
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<option value="nopass">None</option>
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</select>
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</div>
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</div>
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<div>
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<input type="checkbox" id="hidden" name="hidden"/>
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<label for="hidden">Wifi is hidden</label>
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</div>
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<hr>
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<p>Additional options:</p>
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<input type="checkbox" id="boostBacklight" name="boostBacklight"/>
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<label for="boostBacklight">Set backlight to max. while QR is shown</label></br>
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<input type="checkbox" id="stayOn" name="stayOn"/>
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<label for="stayOn">Do not lock or dim while showing QR</label></br>
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<input type="checkbox" id="hideDescription" name="hideDescription"/>
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<label for="hideDescription">Hide Description</label></br>
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<label for="description">Replace default description:</label>
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<input type="text" id="description" class="form-input" value="">
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<label for="correction">Error correction level:</label>
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<div class="input-group">
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<select name="correction" id="correction" class="form-control">
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<option value="1">L - Low - 7%</option>
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<option value="0">M - Medium - 15%</option>
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<option value="3">Q - Quartile - 25%</option>
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<option value="2">H - High - 30%</option>
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</select>
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</div>
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<hr>
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<p id="errors" style="color:Tomato;"></p>
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<p>Try your QR Code: <div id="qrcode"></div></p>
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<p>Click <button id="upload" class="btn btn-primary">Upload</button></p>
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<script src="../../core/lib/customize.js"></script>
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<script src="../../core/lib/qrcode.min.js"></script><!-- https://davidshimjs.github.io/qrcodejs/ -->
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<script src="../../core/lib/heatshrink.js"></script>
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<script src="../../core/lib/imageconverter.js"></script>
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<script>
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var targetSize = 200;
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function onInit(device) {
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if (device && device.info && device.info.g) {
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border = 4;
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targetSize = Math.min(device.info.g.width - border, device.info.g.height - border);
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}
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qrcode = new QRCode("qrcode", {
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text: document.getElementById("text").value,
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colorDark : "#000000",
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colorLight : "#ffffff",
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});
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refreshQRCode();
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}
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//https://github.com/evgeni/qifi/blob/gh-pages/index.html#L168
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function escapeString (string) {
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var to_escape = ['\\', ';', ',', ':', '"'];
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var hex_only = /^[0-9a-f]+$/i;
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var output = "";
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for (var i=0; i<string.length; i++) {
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if(string[i].includes(to_escape)) {
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output += '\\'+string[i];
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}
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else {
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output += string[i];
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}
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}
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return output;
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}
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function generateWifiString(ssid, password, hidden,encryption){
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//https://github.com/evgeni/qifi/blob/gh-pages/index.html#L198
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var qrstring = 'WIFI:S:'+escapeString(ssid)+';T:'+encryption+';P:'+escapeString(password)+';';
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if (hidden) {
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qrstring += 'H:true';
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}
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return qrstring;
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}
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function refreshQRCode(){
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document.getElementById("errors").innerText="";
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qrcode.clear(); // clear the code.
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var qrText = "";
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if(document.getElementById("useWIFI").checked){
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const ssid = document.getElementById("ssid").value;
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const password = document.getElementById("password").value;
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const encryption = document.getElementById("encryption").value;
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const hidden = document.getElementById("hidden").checked;
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const wifiString = generateWifiString(ssid, password, hidden, encryption);
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qrText= wifiString;
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} else {
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qrText = document.getElementById("text").value;
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}
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qrcode._htOption.text = qrText;
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qrcode._htOption.correctLevel = parseInt(document.getElementById("correction").value);
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try {
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qrcode.makeCode(qrText);
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} catch (error) {
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document.getElementById("errors").innerText="Error: QR could not be created.";
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console.error(error);
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}
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var integerScale = Math.max(Math.floor(targetSize / (qrcode._oQRCode.moduleCount + 1)),1);
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if (integerScale == 1) document.getElementById("errors").innerText = "Warning, QR will probably be too small to properly scan. Try less data or less error correction.";
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finalSizeQr = integerScale * (qrcode._oQRCode.moduleCount + 1);
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finalSizeCanvas = finalSizeQr - 1;
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qrcode._htOption.width = finalSizeQr;
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qrcode._htOption.height = finalSizeQr;
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document.getElementsByTagName("canvas")[0].width = finalSizeCanvas;
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document.getElementsByTagName("canvas")[0].height = finalSizeCanvas;
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try {
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qrcode.makeCode(qrText);
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} catch (error) {
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document.getElementById("errors").innerText="Error: QR could not be created.";
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console.error(error);
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}
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}
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var qrcode;
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document.getElementById("ssid").addEventListener("change",refreshQRCode);
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document.getElementById("text").addEventListener("change",refreshQRCode);
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document.getElementById("password").addEventListener("change",refreshQRCode);
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document.getElementById("encryption").addEventListener("change",refreshQRCode);
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document.getElementById("hidden").addEventListener("change",refreshQRCode);
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document.getElementById("useTEXT").addEventListener("change",refreshQRCode);
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document.getElementById("useWIFI").addEventListener("change",refreshQRCode);
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document.getElementById("correction").addEventListener("change",refreshQRCode);
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document.getElementById("upload").addEventListener("click", function() {
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var content = document.getElementById("text").value;
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if(document.getElementById("useWIFI").checked){
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content = document.getElementById("ssid").value
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}
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if(!(document.getElementById("description").value === "")){
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content = document.getElementById("description").value;
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}
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var img = imageconverter.canvastoString(document.getElementsByTagName("canvas")[0],{mode:"1bit",output:"string",compression:true});
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var app = `var img = ${img};
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${document.getElementById("boostBacklight").checked ? 'Bangle.setLCDBrightness(1);' : ''}
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${document.getElementById("stayOn").checked ? 'Bangle.setLCDTimeout(0);' : ''}
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${document.getElementById("hideDescription").checked ? '' : `var content = ${JSON.stringify(content)};`}
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g.clear(1).setColor(1,1,1).setBgColor(0,0,0);
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g.fillRect(0,0,g.getWidth()-1,g.getHeight()-1);
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g.drawImage(img,(g.getWidth()-img[0])/2,(g.getHeight()-img[1])/2);
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${ document.getElementById("hideDescription").checked ? '' : `g.setFontAlign(0,0).setFont("6x8").setColor(0,0,0);
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g.drawString(content,g.getWidth()/2,g.getHeight()-(g.getHeight()-img[1])/4));
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`}
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g.setColor(1,1,1);
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`;
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sendCustomizedApp({
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storage:[
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{name:"qrcode.app.js", url:"app.js", content:app},
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]
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});
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});
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</script>
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</body>
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</html>
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