How do I make shaped windows?

[moma]

Here is the sample 2.

// shape2.cpp
// This example shows how to create a shaped, borderless window by drawing the shape runtime. Again, the code uses only XLib and XShape* extension calls.

The draw() function draws first the shape on the mask bitmap, then it draws the same figure on the window.

Attached: shape2.tar

You will need the "libxext-dev" package to compile and run it.

Compile:
$ g++ -lX11 -lXext shape2.cpp -o shape2

Run:
$ ./shape2

You can easily make the shape (window) to remold, rotate, move etc.
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Next> A tiny cairo sample.