Add a parameter buffer#4

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Joyce-Liu wants to merge 1 commit intonick-jonas:masterfrom Joyce-Liu:parameter-buffer

+13-9

Commits on Sep 6, 2018

When moving mouse, the speed of the pictures switch was too fast. So adding a parameter named buffer which can be set by the user to ignore some space of mouse move in order to slow down the switch…
liu, joyce (CHE-LPR)
committed