Make Selection
Why Selection?
If you want to work on partial instead of whole image, you should create selection on the target area first where you could make change inside. Furthermore, many editing features like cut, copy, delete, and more, could be used only when active selection exists. In Piconion, active selection area is surrounded by animated border called marching-ants shown in the following figure.
Tools for Making Selection
There are many tools which can help you create selection area. If there is an existed active selection area, you could move it by dragging or cancel it by deselecting.
Operations with Selection Area
After you create selection area, many other features could work only on selected image area: