自动调整大小的动态文本以填充固定大小的容器

Auto-size dynamic text to fill fixed size container(自动调整大小的动态文本以填充固定大小的容器)

问题描述

I need to display user entered text into a fixed size div. What i want is for the font size to be automatically adjusted so that the text fills the box as much as possible.

So - If the div is 400px x 300px. If someone enters ABC then it's really big font. If they enter a paragraph, then it would be a tiny font.

I'd probably want to start with a maximum font size - maybe 32px, and while the text is too big to fit the container, shrink the font size until it fits.

Thanks Attack. I wanted to use jQuery.

You pointed me in the right direction, and this is what I ended up with:

Here is a link to the plugin: https://plugins.jquery.com/textfill/
And a link to the source: http://jquery-textfill.github.io/

;(function($) {
    $.fn.textfill = function(options) {
        var fontSize = options.maxFontPixels;
        var ourText = $('span:visible:first', this);
        var maxHeight = $(this).height();
        var maxWidth = $(this).width();
        var textHeight;
        var textWidth;
        do {
            ourText.css('font-size', fontSize);
            textHeight = ourText.height();
            textWidth = ourText.width();
            fontSize = fontSize - 1;
        } while ((textHeight > maxHeight || textWidth > maxWidth) && fontSize > 3);
        return this;
    }
})(jQuery);

$(document).ready(function() {
    $('.jtextfill').textfill({ maxFontPixels: 36 });
});

and my html is like this

<div class='jtextfill' style='width:100px;height:50px;'>
    <span>My Text Here</span>
</div>

This is my first jquery plugin, so it's probably not as good as it should be. Pointers are certainly welcome.

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