Text einpassen in Zeile

Wer kennt es nicht, mal wieder bricht die Überschrift um, aber eigentlich dürfte sie lieber kleiner sein als umbrechen, also einfach die Schriftgröße eins - zwei Pixel kleiner, aber nur an den Stellen wo es erforderlich ist!

Das folgende Beispiel zeigt eine Möglichkeit die das ganze automatisiert, wie üblich ohne großes Framework!

Lorem ipsum dolor sit amet, consetetur sadipscing elitr

Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua.

HTML:

fittoline.htm HTML (532 bytes) 06.09.2021 14:33
<!DOCTYPE html >
<html>
  <head>
    <meta charset="utf-8" />
    <title>fittext</title>
    <meta name="author" content="Udo Schmal" />
    <style>
      .fittoline span { white-space: nowrap; }
    </style>
  </head>
  <body>
    <h1 class="fittoline">Lorem ipsum dolor sit amet, consetetur sadipscing elitr</h1>
    <p class="fittoline">Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua.</p>
    <script src="fittoline.js"></script>
  </body>
</html>

JavaScript:

fittoline.js JavaScript (1,61 kByte) 06.09.2021 14:32
// coding: utf-8
/*! Created by: Udo Schmal | https://www.gocher.me/ */
/* fit text to line by reduce font size */
(function() {
  'use strict';

  function fitToLine (el) {
    if (fitToLine.prototype._singletonInstance) {
      var self = fitToLine.prototype._singletonInstance;
    } else {
      var self = this;
      fitToLine.prototype._singletonInstance = this;
      this.arr = [];
      window.addEventListener('resize', function() {
        var i, len=self.arr.length;
        for(i=0; i<len; i++) {
          self.update(self.arr[i]);
        }
      });
    }
    self.init(el);
    self.arr.push(el);
  }
  fitToLine.prototype = {
    init: function (el) {
      // wrap a span around the content
      var span = document.createElement("span");
      while (el.hasChildNodes()) {
        span.appendChild(el.removeChild(el.firstChild));
      }
      el.appendChild(span);
      this.update(el);
    },
    update: function (el) {
      // get the max width and the max font-size
      var elWidth = (el.style.width ? parseFloat(el.style.width, 10) : el.offsetWidth);
      var fontSize = (el.style.fontSize ? parseFloat(el.style.fontSize, 10) : 50);
      var span = el.firstChild;
      while (span.offsetWidth < elWidth) {
        el.style.fontSize = ++fontSize + "px";
      }
      // reduce font-size until span width less then max width
      while (span.offsetWidth > elWidth) {
        el.style.fontSize = --fontSize + "px";
      }
    }
  };

  var i, tags = document.querySelectorAll('.fittoline');
  for(i=0; i<tags.length; i++) {
    new fitToLine(tags[i]);
  }
})();

Author: , published: , last modified:

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Udo Schmal

Udo Schmal
Softwareentwickler
Olvengraben 41
47608 Geldern
Nordrhein-Westfalen
Germany





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Service Infos

CMS Info Product Name:
UDOs Webserver
Version:
0.5.0.104
Description:
All in one Webserver
Copyright:
Udo Schmal
Compilation:
Sat, 9. Oct 2021 15:16:12
Development Info Compiler:
Free Pascal FPC 3.3.1
compiled for:
OS:Linux, CPU:x86_64
System Info OS:
Ubuntu 20.04.3 LTS (Focal Fossa)
Hardware Info Model:
Hewlett-Packard HP Pavilion dv7 Notebook PC
CPU Name:
Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz
CPU Type:
x86_64, 1 physical CPU(s), 2 Core(s), 4 logical CPU(s), 800.000 MHz