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PODragging a div to resize an image.
 

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    <p>I tried to setup a div so that when dragged, my image's width grows and shrinks the same distance. However, if I move my div 1px, my image's width changes more than 1px.</p> <p>Any suggestion? </p> <p><a href="http://jsfiddle.net/Ghm4N/1/" rel="nofollow">http://jsfiddle.net/Ghm4N/1/</a></p> <pre><code>function drag(el){ var dragging = dragging || false, x, handle_left, handle; el.onmousedown = function(e){ e.preventDefault(); dragging = true; handle = $(e.target); x = e.clientX; handle_left = handle.position().left; window.onmousemove = function(e){ if(dragging == true){ var distance_w = e.clientX - x; handle.css('left', (handle_left + distance_w)+'px'); $('.normal').css('width', $('.normal').width() + distance_w); console.log(distance_w); console.log($('.normal').width()+distance_w); return false; } }; window.onmouseup = function(e){ dragging &amp;&amp; (dragging = false); }; }; }; var el = $('.btn'); for(var i = 0; i &lt; el.length; i++){ drag(el[i]); }; </code></pre> <p>HTML</p> <pre><code>&lt;div class="container"&gt; &lt;div class="wp_normal"&gt; &lt;div class="normal"&gt; &lt;img src="http://25.media.tumblr.com/284263a747fda7627c76920071ef580d/tumblr_mf8mf2FzZm1qm9rypo1_1280.jpg"&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="btn"&gt;&lt;/div&gt; &lt;/div&gt; </code></pre> <p>CSS</p> <pre><code>.container{ position: relative; width: 1024px; margin: 0 auto; } .wp_normal{ position: absolute; z-index: 1; left: 0; top: 0; } .normal{ position: relative; width:500px; height: 280px; margin: 0 auto; overflow:hidden; } .normal img{ position:absolute; width: 1024px; height: 280px; } .btn{ position: absolute; z-index: 3; width: 100px; height: 100px; background-color: red; left: 450px; } </code></pre>
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