Entries Tagged as 'Drag and Drop'

The CSS3 matrix() Transform for the Mathematically Challenged

January 7th, 2011 by zoltan · 44 Comments

The CSS3 transform property can do some really cool things – with it, web designers can rotate, scale, skew and flip objects quite easily. However, in order for designers to have fine-grained, pixel level control over their transforms, the matrix() function is hard to beat. This post explains what it does and the math behind the code. It also includes a tool to help you create matrix() transforms easily using HTML5 Drag and Drop for the user interface and the Sylvester JavaScript library to do the mathematics needed to calculate the matrix values so you don’t have to (in case you have difficulties with math, or if you just are lazy and don’t want to be bothered).

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Tags: CSS · CSS3 · Drag and Drop · math · transform

Cross Browser HTML5 Drag and Drop

January 10th, 2010 by zoltan · 68 Comments

HTML5 Drag and Drop is one of the least understood modules of the HTML5 specification and it can be a pain to implement in a cross browser fashion. This article is for those who want to use it today in their web applications and goes into a lot of detail so you can “get the job done”

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Tags: Drag and Drop · HTML5 · JavaScript