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Adds option to prevent integer scaling

master
Martin Boonk 2021-12-07 23:08:20 +01:00
parent 8c313c446e
commit e97c3041d8
1 changed files with 13 additions and 5 deletions
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18
apps/qrcode/custom.html
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@ -28,6 +28,8 @@
</div> </div>
<hr> <hr>
<p>Additional options:</p> <p>Additional options:</p>
<input type="checkbox" id="preventIntegerScaling" name="preventIntegerScaling"/>
<label for="preventIntegerScaling">Prevent integer scaling</label></br>
<input type="checkbox" id="boostBacklight" name="boostBacklight"/> <input type="checkbox" id="boostBacklight" name="boostBacklight"/>
<label for="boostBacklight">Set backlight to max. while QR is shown</label></br> <label for="boostBacklight">Set backlight to max. while QR is shown</label></br>
<input type="checkbox" id="stayOn" name="stayOn"/> <input type="checkbox" id="stayOn" name="stayOn"/>
@ -119,13 +121,18 @@
console.error(error); console.error(error);
} }
var finalSizeQr=targetSize;
var finalSizeCanvas=targetSize;
var integerScale = Math.max(Math.floor(targetSize / (qrcode._oQRCode.moduleCount + 1)),1); 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 (integerScale == 1) document.getElementById("errors").innerText = "Warning, QR will probably be too small to properly scan. Try less data or less error correction.";
finalSizeQr = integerScale * (qrcode._oQRCode.moduleCount + 1); if (!document.getElementById("preventIntegerScaling").checked){
finalSizeCanvas = finalSizeQr - 1;
finalSizeQr = integerScale * (qrcode._oQRCode.moduleCount + 1);
finalSizeCanvas = finalSizeQr - 1;
}
qrcode._htOption.width = finalSizeQr; qrcode._htOption.width = finalSizeQr;
qrcode._htOption.height = finalSizeQr; qrcode._htOption.height = finalSizeQr;
@ -147,6 +154,7 @@
document.getElementById("hidden").addEventListener("change",refreshQRCode); document.getElementById("hidden").addEventListener("change",refreshQRCode);
document.getElementById("useTEXT").addEventListener("change",refreshQRCode); document.getElementById("useTEXT").addEventListener("change",refreshQRCode);
document.getElementById("useWIFI").addEventListener("change",refreshQRCode); document.getElementById("useWIFI").addEventListener("change",refreshQRCode);
document.getElementById("preventIntegerScaling").addEventListener("change",refreshQRCode);
document.getElementById("correction").addEventListener("change",refreshQRCode); document.getElementById("correction").addEventListener("change",refreshQRCode);
document.getElementById("upload").addEventListener("click", function() { document.getElementById("upload").addEventListener("click", function() {
var content = document.getElementById("text").value; var content = document.getElementById("text").value;