How do I gaussian blur an image without using any in-built gaussian functions?

Question

I want to blur my image using the native Gaussian blur formula. I read the Wikipedia article, but I am not sure how to implement this.

How do I use the formula to de

Answer 1

I am not clear whether you want to restrict this to certain technologies, but if not SVG (ScalableVectorGraphics) has an implementation of Gaussian Blur. I believe it applies to all primitives including pixels. SVG has the advantage of being an Open standard and widely implemented.