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Update index.js #254

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Jan 23, 2021
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Update index.js #254

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41 changes: 26 additions & 15 deletions docs/inverse/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1759,9 +1759,9 @@ var padeapi = (function(api)
if (!nickname) nickname = "Anonymous";
nickname = nickname.toLowerCase();

if (!width) width = 32;
if (!height) height = 32;
if (!font) font = "16px Arial";
if (!width) width = 128;
if (!height) height = 128;
if (!font) font = "64px Arial";

var canvas = document.createElement('canvas');
canvas.style.display = 'none';
Expand All @@ -1777,23 +1777,34 @@ var padeapi = (function(api)
var first, last, pos = nickname.indexOf("@");
if (pos > 0) nickname = nickname.substring(0, pos);

var name = nickname.split(" ");
if (name.length == 1) name = nickname.split(".");
if (name.length == 1) name = nickname.split("-");
var l = name.length - 1;
console.debug("_createAvatar: " + nickname );
// try to split nickname into words at different symbols with preference
let words = nickname.split(/[, ]/); // "John W. Doe" -> "John "W." "Doe" or "Doe,John W." -> "Doe" "John" "W."
if (words.length == 1) words = nickname.split("."); // "John.Doe" -> "John" "Doe" or "John.W.Doe" -> "John" "W" "Doe"
if (words.length == 1) words = nickname.split("-"); // "John-Doe" -> "John" "Doe" or "John-W-Doe" -> "John" "W" "Doe"

if (name && name[0] && name.first != '')
if (words && words[0] && words.first != '')
{
first = name[0][0];
last = name[l] && name[l] != '' && l > 0 ? name[l][0] : null;

if (last) {
var initials = first + last;
context.fillText(initials.toUpperCase(), 3, 23);
const firstInitial = words[0][0]; // first letter of first word
var lastInitial = null; // first letter of last word, if any

const lastWordIdx = words.length - 1; // index of last word
if (lastWordIdx > 0 && words[lastWordIdx] && words[lastWordIdx] != '')
{
lastInitial = words[lastWordIdx][0]; // first letter of last word
}

// if nickname consist of more than one words, compose the initials as two letter
if (lastInitial) {
// if any comma is in the nickname, treat it to have the lastname in front, i.e. compose reversed
const initials = nickname.indexOf(",") == -1 ? firstInitial + lastInitial : lastInitial + firstInitial;
context.fillText(initials.toUpperCase(), 20, 88);
} else {
var initials = first;
context.fillText(initials.toUpperCase(), 10, 23);
context.fillText(firstInitial.toUpperCase(), 44, 88);
}


var data = canvas.toDataURL();
document.body.removeChild(canvas);
}
Expand Down