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Merge pull request #3837 from bobrippling/feat/qrcode-custom 

qrcode: permit custom app names
master
Rob Pilling 2025-05-01 20:20:40 +01:00 committed by GitHub
parent 893a67ab1b 0bf0a3fb97
commit e628565309
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GPG Key ID: B5690EEEBB952194
3 changed files with 247 additions and 242 deletions
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1
apps/qrcode/ChangeLog
View File

@ -4,3 +4,4 @@
0.04: Allow scanning of QR codes from camera or file
0.05: Change brightness on touch
0.06: Add ability to generate contact info (MeCard format) QR code
0.07: Add custom appname (for storing multiple QR codes)

486
apps/qrcode/custom.html
View File

@ -17,61 +17,61 @@
<hr>
<div id="srcText">
<p>Text/URL: <input type="text" id="text" class="form-input" value="http://www.espruino.com"></p>
<p>Text/URL: <input type="text" id="text" class="form-input" value="http://www.espruino.com"></p>
</div>
<div id="srcScanCam">
<div>
<video id="qrVideo" align="center" width="50%"></video>
</div>
<div>
<select id="camList">
</select>
</div>
<div>
<button id="flashToggle">Flash: <span id="flashState">off</span></button>
</div>
<br>
Detected QR code:
<span id="camQrResult">None</span>
<br>
<button id="startButton" class="btn btn-primary">Start</button>
<button id="stopButton" class="btn btn-primary">Stop</button>
<div>
<video id="qrVideo" align="center" width="50%"></video>
</div>
<div>
<select id="camList">
</select>
</div>
<div>
<button id="flashToggle">Flash: <span id="flashState">off</span></button>
</div>
<br>
Detected QR code:
<span id="camQrResult">None</span>
<br>
<button id="startButton" class="btn btn-primary">Start</button>
<button id="stopButton" class="btn btn-primary">Stop</button>
</div>
<div id="srcScanFile">
<input type="file" id="fileSelector">
<br>
Detected QR code:
<span id="fileQrResult">None</span>
<input type="file" id="fileSelector">
<br>
Detected QR code:
<span id="fileQrResult">None</span>
</div>
<div id="srcWifi">
<p>Wifi name: <input type="text" id="ssid" class="form-input" value=""></p>
<p>Wifi password: <input type="password" id="password" class="form-input" value=""></p>
<div class="form-group">
<label for="encryption" class="control-label">Encryption</label>
<div class="input-group">
<select name="encryption" id="encryption" class="form-control">
<option value="WPA">WPA/WPA2</option>
<option value="WEP">WEP</option>
<option value="nopass">None</option>
</select>
</div>
<p>Wifi name: <input type="text" id="ssid" class="form-input" value=""></p>
<p>Wifi password: <input type="password" id="password" class="form-input" value=""></p>
<div class="form-group">
<label for="encryption" class="control-label">Encryption</label>
<div class="input-group">
<select name="encryption" id="encryption" class="form-control">
<option value="WPA">WPA/WPA2</option>
<option value="WEP">WEP</option>
<option value="nopass">None</option>
</select>
</div>
</div>
<div>
<input type="checkbox" id="hidden" name="hidden"/>
<label for="hidden">Wifi is hidden</label>
</div>
</div>
<div>
<input type="checkbox" id="hidden" name="hidden"/>
<label for="hidden">Wifi is hidden</label>
</div>
</div>
<div id="srcMeCard">
<p>First Name: <input type="text" id="meNameFirst" class="form-input" value=""></p>
<p>Last Name: <input type="text" id="meNameLast" class="form-input" value=""></p>
<p>Phone Number: <input type="text" id="mePhoneNumber" class="form-input" value=""></p>
<p>Email: <input type="text" id="meEmail" class="form-input" value=""></p>
<p>Website: <input type="text" id="meWebsite" class="form-input" value=""></p>
<p>First Name: <input type="text" id="meNameFirst" class="form-input" value=""></p>
<p>Last Name: <input type="text" id="meNameLast" class="form-input" value=""></p>
<p>Phone Number: <input type="text" id="mePhoneNumber" class="form-input" value=""></p>
<p>Email: <input type="text" id="meEmail" class="form-input" value=""></p>
<p>Website: <input type="text" id="meWebsite" class="form-input" value=""></p>
</div>
<hr>
@ -82,228 +82,229 @@
<p>Additional options:</p>
<input type="checkbox" id="preventIntegerScaling" name="preventIntegerScaling"/>
<label for="preventIntegerScaling">Prevent integer scaling</label></br>
<input type="checkbox" id="preventBrightnessChangeOnTouch" name="preventBrightnessChangeOnTouch"/>
<label for="preventBrightnessChangeOnTouch">Prevent brightness change on touch</label></br>
<input type="checkbox" id="boostBacklight" name="boostBacklight"/>
<label for="boostBacklight">Set initial backlight to max. while QR is shown</label></br>
<input type="checkbox" id="stayOn" name="stayOn"/>
<label for="stayOn">Do not lock or dim while showing QR</label></br>
<input type="checkbox" id="hideDescription" name="hideDescription"/>
<label for="hideDescription">Hide Description</label></br>
<label for="description">Replace default description:</label>
<input type="text" id="description" class="form-input" value="">
<label for="correction">Error correction level:</label>
<div class="input-group">
<input type="checkbox" id="preventBrightnessChangeOnTouch" name="preventBrightnessChangeOnTouch"/>
<label for="preventBrightnessChangeOnTouch">Prevent brightness change on touch</label></br>
<input type="checkbox" id="boostBacklight" name="boostBacklight"/>
<label for="boostBacklight">Set initial backlight to max. while QR is shown</label></br>
<input type="checkbox" id="stayOn" name="stayOn"/>
<label for="stayOn">Do not lock or dim while showing QR</label></br>
<input type="checkbox" id="hideDescription" name="hideDescription"/>
<label for="hideDescription">Hide Description</label></br>
<label for="description">Replace default description:</label>
<input type="text" id="description" class="form-input" value="">
<label for="correction">Error correction level:</label>
<div class="input-group">
<select name="correction" id="correction" class="form-control">
<option value="1">L - Low - 7%</option>
<option value="0">M - Medium - 15%</option>
<option value="3">Q - Quartile - 25%</option>
<option value="2">H - High - 30%</option>
<option value="1">L - Low - 7%</option>
<option value="0">M - Medium - 15%</option>
<option value="3">Q - Quartile - 25%</option>
<option value="2">H - High - 30%</option>
</select>
</div>
<p>Click <button id="upload" class="btn btn-primary">Upload</button></p>
</div>
<label for="appname">App name</label>
<input type="text" id="appname" class="form-input" value="qrcode">
<button id="upload" class="btn btn-primary">Upload</button>
<script src="../../core/lib/customize.js"></script>
<script src="../../core/lib/qrcode.min.js"></script><!-- https://davidshimjs.github.io/qrcodejs/ -->
<script src="../../webtools/heatshrink.js"></script>
<script src="../../webtools/imageconverter.js"></script>
<script src="./qr-scanner.umd.min.js"></script><!-- https://github.com/nimiq/qr-scanner -->
<script>
<script src="../../core/lib/customize.js"></script>
<script src="../../core/lib/qrcode.min.js"></script><!-- https://davidshimjs.github.io/qrcodejs/ -->
<script src="../../webtools/heatshrink.js"></script>
<script src="../../webtools/imageconverter.js"></script>
<script src="./qr-scanner.umd.min.js"></script><!-- https://github.com/nimiq/qr-scanner -->
<script>
var targetSize = 200;
var deviceWidth = targetSize;
var deviceHeight = targetSize;
var border = 4;
var scanner = null;
var qrcode = null;
function onInit(device) {
console.info("onInit" + device);
if (device && device.info && device.info.g) {
deviceWidth = device.info.g.width;
deviceHeight = device.info.g.height;
}
refreshQRCode();
console.info("onInit" + device);
if (device && device.info && device.info.g) {
deviceWidth = device.info.g.width;
deviceHeight = device.info.g.height;
}
refreshQRCode();
}
const updateFlashAvailability = () => {
scanner.hasFlash().then(hasFlash => {
document.getElementById('flashToggle').style.display = hasFlash ? 'inline-block' : 'none';
});
scanner.hasFlash().then(hasFlash => {
document.getElementById('flashToggle').style.display = hasFlash ? 'inline-block' : 'none';
});
};
function setResult(label, result) {
console.info("setResult " + result);
label.textContent = result;
scanner.stop();
refreshQRCode();
console.info("setResult " + result);
label.textContent = result;
scanner.stop();
refreshQRCode();
}
function initQrScanner() {
console.info("initQrScanner");
QrScanner.WORKER_PATH = './qr-scanner-worker.min.js';
if (scanner == null) {
scanner = new QrScanner(document.getElementById('qrVideo'), result => setResult(document.getElementById('camQrResult'), result), error => {
document.getElementById('camQrResult').textContent = error;
document.getElementById('camQrResult').style.color = 'inherit';
});
}
console.info("initQrScanner");
QrScanner.WORKER_PATH = './qr-scanner-worker.min.js';
if (scanner == null) {
scanner = new QrScanner(document.getElementById('qrVideo'), result => setResult(document.getElementById('camQrResult'), result), error => {
document.getElementById('camQrResult').textContent = error;
document.getElementById('camQrResult').style.color = 'inherit';
});
}
}
function initQrCam(){
scanner.start().then(() => {
scanner.start().then(() => {
updateFlashAvailability();
QrScanner.listCameras(true).then(cameras => cameras.forEach(camera => {
const option = document.createElement('option');
option.value = camera.id;
option.text = camera.label;
document.getElementById('camList').add(option);
}));
});
const option = document.createElement('option');
option.value = camera.id;
option.text = camera.label;
document.getElementById('camList').add(option);
}));
});
}
function toggleVis(id){
console.info("Got id", id);
["srcScanFile", "srcText", "srcWifi", "srcScanCam", "srcMeCard"].forEach(function (item){
document.getElementById(item).style.display = "none";
});
if (id != undefined && id != null) document.getElementById(id).style.display = "block";
refreshQRCode();
console.info("Got id", id);
["srcScanFile", "srcText", "srcWifi", "srcScanCam", "srcMeCard"].forEach(function (item){
document.getElementById(item).style.display = "none";
});
if (id != undefined && id != null) document.getElementById(id).style.display = "block";
refreshQRCode();
}
toggleVis("srcText");
//https://github.com/evgeni/qifi/blob/gh-pages/index.html#L168
function escapeString (string) {
var to_escape = ['\\', ';', ',', ':', '"'];
var hex_only = /^[0-9a-f]+$/i;
var output = "";
for (var i=0; i<string.length; i++) {
var to_escape = ['\\', ';', ',', ':', '"'];
var hex_only = /^[0-9a-f]+$/i;
var output = "";
for (var i=0; i<string.length; i++) {
if(string[i].includes(to_escape)) {
output += '\\'+string[i];
output += '\\'+string[i];
}
else {
output += string[i];
output += string[i];
}
}
return output;
}
return output;
}
function generateWifiString(ssid, password, hidden,encryption){
//https://github.com/evgeni/qifi/blob/gh-pages/index.html#L198
var qrstring = 'WIFI:S:'+escapeString(ssid)+';T:'+encryption+';P:'+escapeString(password)+';';
if (hidden) {
qrstring += 'H:true';
}
return qrstring;
//https://github.com/evgeni/qifi/blob/gh-pages/index.html#L198
var qrstring = 'WIFI:S:'+escapeString(ssid)+';T:'+encryption+';P:'+escapeString(password)+';';
if (hidden) {
qrstring += 'H:true';
}
return qrstring;
}
function generateMeCardString(meNameFirst, meNameLast, mePhoneNumber, meEmail, meWebsite){
var meCardStringOutput = 'MECARD:';
var meCardStringOutput = 'MECARD:';
//first & Last name part of string, can have one or both
if (meNameFirst.trim().length != 0 && meNameLast.trim().length != 0) {
meCardStringOutput += 'N:'+meNameLast.trim()+','+meNameFirst.trim()+';';
}
else if (meNameLast.trim().length != 0) {
meCardStringOutput += 'N:'+meNameLast.trim()+';';
}
else if (meNameFirst.trim().length != 0) {
meCardStringOutput += 'N:'+meNameFirst.trim()+';';
}
//first & Last name part of string, can have one or both
if (meNameFirst.trim().length != 0 && meNameLast.trim().length != 0) {
meCardStringOutput += 'N:'+meNameLast.trim()+','+meNameFirst.trim()+';';
}
else if (meNameLast.trim().length != 0) {
meCardStringOutput += 'N:'+meNameLast.trim()+';';
}
else if (meNameFirst.trim().length != 0) {
meCardStringOutput += 'N:'+meNameFirst.trim()+';';
}
if (mePhoneNumber.trim().length != 0) {
meCardStringOutput += 'TEL:'+mePhoneNumber.trim()+';';
}
if (mePhoneNumber.trim().length != 0) {
meCardStringOutput += 'TEL:'+mePhoneNumber.trim()+';';
}
if (meEmail.trim().length != 0) {
meCardStringOutput += 'EMAIL:'+meEmail.trim()+';';
}
if (meEmail.trim().length != 0) {
meCardStringOutput += 'EMAIL:'+meEmail.trim()+';';
}
if (meWebsite.trim().length != 0) {
meCardStringOutput += 'URL:'+meWebsite.trim()+';';
}
if (meWebsite.trim().length != 0) {
meCardStringOutput += 'URL:'+meWebsite.trim()+';';
}
meCardStringOutput += ';';
return meCardStringOutput;
}
meCardStringOutput += ';';
return meCardStringOutput;
}
function refreshQRCode(){
if (qrcode == null){
qrcode = new QRCode("qrcode", {
text: document.getElementById("text").value,
colorDark : "#000000",
colorLight : "#ffffff"
});
}
document.getElementById("errors").innerText="";
qrcode.clear(); // clear the code.
var qrText = "";
if(document.getElementById("useWIFI").checked){
const ssid = document.getElementById("ssid").value;
const password = document.getElementById("password").value;
const encryption = document.getElementById("encryption").value;
const hidden = document.getElementById("hidden").checked;
const wifiString = generateWifiString(ssid, password, hidden, encryption);
qrText= wifiString;
} else if (document.getElementById("useMECARD").checked) {
const meNameFirst = document.getElementById("meNameFirst").value;
const meNameLast = document.getElementById("meNameLast").value;
const mePhoneNumber = document.getElementById("mePhoneNumber").value;
const meEmail = document.getElementById("meEmail").value;
const meWebsite = document.getElementById("meWebsite").value;
const meCardString = generateMeCardString(meNameFirst, meNameLast, mePhoneNumber, meEmail, meWebsite);
qrText = meCardString;
} else if (document.getElementById("useCAM").checked) {
qrText= document.getElementById("camQrResult").innerText;
} else if (document.getElementById("useFILE").checked) {
qrText= document.getElementById("fileQrResult").innerText;
} else {
qrText = document.getElementById("text").value;
}
if (qrcode == null){
qrcode = new QRCode("qrcode", {
text: document.getElementById("text").value,
colorDark : "#000000",
colorLight : "#ffffff"
});
}
document.getElementById("errors").innerText="";
qrcode.clear(); // clear the code.
var qrText = "";
if(document.getElementById("useWIFI").checked){
const ssid = document.getElementById("ssid").value;
const password = document.getElementById("password").value;
const encryption = document.getElementById("encryption").value;
const hidden = document.getElementById("hidden").checked;
const wifiString = generateWifiString(ssid, password, hidden, encryption);
qrText= wifiString;
} else if (document.getElementById("useMECARD").checked) {
const meNameFirst = document.getElementById("meNameFirst").value;
const meNameLast = document.getElementById("meNameLast").value;
const mePhoneNumber = document.getElementById("mePhoneNumber").value;
const meEmail = document.getElementById("meEmail").value;
const meWebsite = document.getElementById("meWebsite").value;
const meCardString = generateMeCardString(meNameFirst, meNameLast, mePhoneNumber, meEmail, meWebsite);
qrText = meCardString;
} else if (document.getElementById("useCAM").checked) {
qrText= document.getElementById("camQrResult").innerText;
} else if (document.getElementById("useFILE").checked) {
qrText= document.getElementById("fileQrResult").innerText;
} else {
qrText = document.getElementById("text").value;
}
console.info("Given qrtext was: " + qrText);
qrcode._htOption.text = qrText;
qrcode._htOption.correctLevel = parseInt(document.getElementById("correction").value);
try {
qrcode.makeCode(qrText);
} catch (error) {
document.getElementById("errors").innerText="Error: QR could not be created.";
console.error(error);
return;
}
targetSize = Math.min(deviceWidth - border, deviceHeight - border);
console.info("Targetsize: " + targetSize);
var finalSizeQr=targetSize;
var finalSizeCanvas=targetSize;
console.info("Given qrtext was: " + qrText);
qrcode._htOption.text = qrText;
qrcode._htOption.correctLevel = parseInt(document.getElementById("correction").value);
try {
qrcode.makeCode(qrText);
} catch (error) {
document.getElementById("errors").innerText="Error: QR could not be created.";
console.error(error);
}
var integerScale = Math.max(Math.floor(targetSize / (qrcode._oQRCode.moduleCount + 1)),1);
if (integerScale == 1) document.getElementById("errors").innerText = "Warning, QR will probably be too small to properly scan. Try less data or less error correction.";
targetSize = Math.min(deviceWidth - border, deviceHeight - border);
console.info("Targetsize: " + targetSize);
var finalSizeQr=targetSize;
var finalSizeCanvas=targetSize;
console.info("IntegerScale: " + integerScale);
var integerScale = Math.max(Math.floor(targetSize / (qrcode._oQRCode.moduleCount + 1)),1);
if (integerScale == 1) document.getElementById("errors").innerText = "Warning, QR will probably be too small to properly scan. Try less data or less error correction.";
if (!document.getElementById("preventIntegerScaling").checked){
finalSizeQr = integerScale * (qrcode._oQRCode.moduleCount + 1);
finalSizeCanvas = finalSizeQr - 1;
}
console.info("IntegerScale: " + integerScale);
console.info("FinalSizeQr: " + finalSizeQr);
console.info("FinalSizeCanvas: " + finalSizeCanvas);
if (!document.getElementById("preventIntegerScaling").checked){
finalSizeQr = integerScale * (qrcode._oQRCode.moduleCount + 1);
finalSizeCanvas = finalSizeQr - 1;
}
console.info("FinalSizeQr: " + finalSizeQr);
console.info("FinalSizeCanvas: " + finalSizeCanvas);
qrcode._htOption.width = finalSizeQr;
qrcode._htOption.height = finalSizeQr;
qrcode._htOption.width = finalSizeQr;
qrcode._htOption.height = finalSizeQr;
document.getElementsByTagName("canvas")[0].width = finalSizeCanvas;
document.getElementsByTagName("canvas")[0].height = finalSizeCanvas;
try {
qrcode.makeCode(qrText);
} catch (error) {
document.getElementById("errors").innerText="Error: QR could not be created.";
console.error(error);
}
document.getElementsByTagName("canvas")[0].width = finalSizeCanvas;
document.getElementsByTagName("canvas")[0].height = finalSizeCanvas;
try {
qrcode.makeCode(qrText);
} catch (error) {
document.getElementById("errors").innerText="Error: QR could not be created.";
console.error(error);
return;
}
}
document.getElementById("useTEXT").addEventListener("change",function(){toggleVis("srcText");});
@ -316,13 +317,13 @@
document.getElementById("meWebsite").addEventListener("change",refreshQRCode);
document.getElementById("useCAM").addEventListener("change",function(){
initQrScanner();
initQrCam();
toggleVis("srcScanCam");
initQrScanner();
initQrCam();
toggleVis("srcScanCam");
});
document.getElementById("useFILE").addEventListener("change",function(){
initQrScanner();
toggleVis("srcScanFile");
initQrScanner();
toggleVis("srcScanFile");
});
document.getElementById("useWIFI").addEventListener("change",function(){toggleVis("srcWifi");});
document.getElementById("ssid").addEventListener("change",refreshQRCode);
@ -336,17 +337,18 @@
document.getElementById("useWIFI").addEventListener("change",refreshQRCode);
document.getElementById("preventIntegerScaling").addEventListener("change",refreshQRCode);
document.getElementById("correction").addEventListener("change",refreshQRCode);
document.getElementById("upload").addEventListener("click", function() {
var content = document.getElementById("text").value;
if(document.getElementById("useWIFI").checked){
content = document.getElementById("ssid").value
}
if(!(document.getElementById("description").value === "")){
content = document.getElementById("description").value;
}
var img = imageconverter.canvastoString(document.getElementsByTagName("canvas")[0],{mode:"1bit",output:"string",compression:true});
var app = `var img = ${img};
${ document.getElementById("preventBrightnessChangeOnTouch").checked ? '' : `var backlight = 0;
var content = document.getElementById("text").value;
if(document.getElementById("useWIFI").checked){
content = document.getElementById("ssid").value
}
if(document.getElementById("description").value !== ""){
content = document.getElementById("description").value;
}
var img = imageconverter.canvastoString(document.getElementsByTagName("canvas")[0],{mode:"1bit",output:"string",compression:true});
var app = `var img = ${img};
${document.getElementById("preventBrightnessChangeOnTouch").checked ? '' : `var backlight = 0;
Bangle.on('touch', function(button, xy) {
backlight += 0.3;
if (backlight > 1) backlight = 0;
@ -354,50 +356,52 @@ Bangle.on('touch', function(button, xy) {
});
`}
${document.getElementById("boostBacklight").checked ? 'Bangle.setLCDBrightness(1);' : ''}
${document.getElementById("stayOn").checked ? 'Bangle.setLCDTimeout(0);' : ''}
${document.getElementById("hideDescription").checked ? '' : `var content = ${JSON.stringify(content)};`}
${document.getElementById("boostBacklight").checked ? 'Bangle.setLCDBrightness(1);' : ''}
${document.getElementById("stayOn").checked ? 'Bangle.setLCDTimeout(0);' : ''}
${document.getElementById("hideDescription").checked ? '' : `var content = ${JSON.stringify(content)};`}
g.clear(1).setColor(1,1,1).setBgColor(0,0,0);
g.fillRect(0,0,g.getWidth()-1,g.getHeight()-1);
g.drawImage(img,(g.getWidth()-img[0])/2,(g.getHeight()-img[1])/2);
${ document.getElementById("hideDescription").checked ? '' : `g.setFontAlign(0,0).setFont("6x8").setColor(0,0,0);
${document.getElementById("hideDescription").checked ? '' : `g.setFontAlign(0,0).setFont("6x8").setColor(0,0,0);
g.drawString(content,g.getWidth()/2,g.getHeight()-(g.getHeight()-img[1])/4);
`}
g.setColor(1,1,1);
`;
sendCustomizedApp({
storage:[{name:"qrcode.app.js", url:"app.js", content:app},]
});
var appname = document.getElementById("appname").value.trim() || "qrcode";
sendCustomizedApp({
storage:[{name:`${appname}.app.js`, url:"app.js", content:app}]
});
});
document.getElementById('camList').addEventListener('change', event => {
scanner.setCamera(event.target.value).then(updateFlashAvailability);
scanner.setCamera(event.target.value).then(updateFlashAvailability);
});
document.getElementById('flashToggle').addEventListener('click', () => {
scanner.toggleFlash().then(() => document.getElementById('flashState').textContent = scanner.isFlashOn() ? 'on' : 'off');
scanner.toggleFlash().then(() => document.getElementById('flashState').textContent = scanner.isFlashOn() ? 'on' : 'off');
});
document.getElementById('startButton').addEventListener('click', () => {
scanner.start();
scanner.start();
});
document.getElementById('stopButton').addEventListener('click', () => {
scanner.stop();
scanner.stop();
});
document.getElementById('fileSelector').addEventListener('change', event => {
const file = document.getElementById('fileSelector').files[0];
if (!file) {
return;
}
QrScanner.scanImage(file)
.then(result => setResult(document.getElementById('fileQrResult'), result))
.catch(e => setResult(document.getElementById('fileQrResult'), e || 'No QR code found.'));
const file = document.getElementById('fileSelector').files[0];
if (!file) {
return;
}
QrScanner.scanImage(file)
.then(result => setResult(document.getElementById('fileQrResult'), result))
.catch(e => setResult(document.getElementById('fileQrResult'), e || 'No QR code found.'));
});
</script>
</script>
</body>
</html>

2
apps/qrcode/metadata.json
View File

@ -2,7 +2,7 @@
"id": "qrcode",
"name": "Custom QR Code",
"shortName": "QR Code",
"version": "0.06",
"version": "0.07",
"description": "Use this to upload a customised QR code to Bangle.js",
"icon": "app.png",
"tags": "qrcode",