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    <p>Here's an attempt at solving the problem with Javascript: <a href="http://jsfiddle.net/eGDP7/">http://jsfiddle.net/eGDP7/</a> </p> <p>I'm using a data attribute on the html to list the classes with transforms that we want to apply:</p> <pre><code>&lt;div class="compoundtransform" data-transformations="scaletrans2, rotatetrans1"&gt;Test subject&lt;/div&gt; </code></pre> <p>I iterate through the classes and find out what css rules they represent:</p> <pre><code>function getCSSRulesForClass( selector ) { var sheets = document.styleSheets; var cssRules = []; for (var i = 0; i&lt;sheets.length; ++i) { var sheet = sheets[i]; if( !sheet.cssRules ) { continue; } for (var j = 0; j &lt; sheet.cssRules.length; ++j ) { var rule = sheet.cssRules[j]; if (rule.selectorText &amp;&amp; rule.selectorText.split(',').indexOf(selector) !== -1) { var styles = rule.style; for( var k = 0; k&lt;styles.length; ++k ) { var style = styles[k]; cssRules.push( { property: style, value: styles[style] } ); } } } } return cssRules; } </code></pre> <p>I find any transforms and apply the transforms to a matrix:</p> <pre><code>function convertTransformToMatrix( source, transformValue ) { var values = transformValue.split(") "); // split into array if multiple values var matrix = cloneObject( source ); for ( var i = 0; i&lt;values.length; ++i ) { var value = values[i]; if( isRotate( value ) ) { var rotationValue = cssRotationToRadians( value ); var cosValue = Math.cos( rotationValue ); var sinValue = Math.sin( rotationValue ); var a = matrix.a; var b = matrix.b; var c = matrix.c; var d = matrix.d; var tx = matrix.tx; var ty = matrix.ty; matrix.a = a*cosValue - b*sinValue; matrix.b = a*sinValue + b*cosValue; matrix.c = c*cosValue - d*sinValue; matrix.d = c*sinValue + d*cosValue; matrix.tx = tx*cosValue - ty*sinValue; matrix.ty = tx*sinValue + ty*cosValue; } else if ( isScale( value ) ) { var scale = cssScaleToObject( value ); matrix.a *= scale.x; matrix.b *= scale.y; matrix.c *= scale.x; matrix.d *= scale.y; matrix.tx *= scale.x; matrix.ty *= scale.y; } else if ( isTranslate( value ) ) { var translate = cssTranslateToObject( value ); matrix.tx += translate.x; matrix.ty += translate.y; } } return matrix; } </code></pre> <p>And I, finally, apply that matrix to the node as a transform.</p> <p>Currently:</p> <ul> <li>The code is a bit messy</li> <li>The CSS parsing is limited to scale(x,y), translate(x,y), and rotate with degree or radian values </li> <li>And it would only work with the webkit vendor prefix</li> </ul> <p>I might tidy it up and turn it into a utility if useful to anyone.</p>
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    1. POHow to mix css3 transform properties without overriding (in realtime)?
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    1. USBrettJephson
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    1. COA full utility would be really really awesome. I'm no pro but I'd be glad to try and help you in any way that I can
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      1. USZach Saucier
    2. COI have added javascript utility to github: https://github.com/brejep/additive-transform-js. At the moment, it works for the 2D transform functions - rotate, scale, scaleX, scaleY, translate, translateX, translateY, skew, skewX and skewY.
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    3. COCould you compile a comprehensive list of things to improve along with the above?
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