Added features in this repository:

Zoom / Scrolbars

• Zoom with mouse wheel / slider
• Drag with left mouse button

Open multiple files

• Open multiple files at once
• Switch between the files in the bottom list

Improved action stack

• New actions are auto-detected
• Temporary disable actions
• Save/Load actions in file
• Implemented action groups
• Added some actions (Unsharp mask, crop, extract recangle, ...)

Original Readme: OpenCVPlaygound

A playground app for testing algorithms in OpenCV

Check out my video below which explains and demos this app and describes how to contribute: