I want to draw a block diagram for a software app and I need two shapes which I couldn't find on the Internet. The shapes are a parallelogram and a rectangle with double side margins.
One is for data and the other for a predefined process. They look like this:
Does anyone know how could I draw those two shapes (maybe using TikZ)?
\usetikzlibrary{shapes, shapes.multipart, shapes.geometric}
.