I want to generate circles like in this picture. It is an overlay and I need the overlay alone. It looks like circles in circles each with a width and a margin of one pixel. How can I generate such ...
I am creating a photo filter program and trying to do some actions in Photoshop CS5 in order to repeat them in code. One action I stuck with is Vignette effect. This is typically gradient fill layer ...
I have this image: And I would like to extract the dark parts (shadows) to make a transparency consisting of black pixels at different alpha channel values. Here is a crude example image of what I ...
I have a series of layers in a document, all "Overlay" blending with varying opacities. (The net effect is a subtle set of fake lighting.) I would like to merge the whole set of layers into a single ...