how get unsigned char *, from a texture -> textureScreengrab

Hi,

I was using textureScreengrab and I would like to get an image of all the modifications aplied.

may be is possible get it with getTextureData function?

I’ve seen a solution in this post, using the advanced texture of FBO texture

http://forum.openframeworks.cc/t/fbo-addon-for-0.06/1866/0