v1.2

NEW: check update on the internet.
FIX: exporting image on Linux.

v1.1

FIX: permit non english character for saving name, save png.
ENHACEMENT: not disable save button after save, warning about saving zooming window, alert about no input.
NEW: create a config file to remember default folder to save data.

v1.0.1

NEW: Display message if no input is detected.
ENHANCEMENT: Export image with white background.

v1.0

• First working binary for Windows and Linux.