go - Image manipulation in Golang

Question

I have the following:

1. Background image (bi)
2. Image1 (i1)
3. Image3 (i2)

I want to position i1 and i2 over bi with some angle and then produce a final image. I have x and y axis value for i1 and i2 and their expected rotation angle. i1 and i2 may partially overlay on each other. but I have z index for i1 and i2 to know, if in case they overlap then who will be in foreground.

I am trying to achieve this in Golang.
http://golang.org/doc/articles/image_draw.html seems to do this. Anyone knows any similar example of code, that may help. Or can you show me couple of lines in Golang as a pseudo program?

Thanks.

Answer 1

Waitting for answers