Added functionality for zoom in\out by sliding the wheel#52

Merged

shaodahong merged 6 commits intoreact-component:masterfrom OmriGM:feature/wheel-event-zoom-image-preview

Dec 22, 2020

+45-2

Commits on Dec 20, 2020

- Added functionality for zoom in\out by moving the wheel. Listening to wheel event the determine the direction of the scrolling, and by that decide if zooming in or out.
omri.g
committed
- Added tests for zoom in and out by wheel
omri.g
committed

Commits on Dec 21, 2020

- CR fix 1: Zooming in/out using the wheel only if visible is true
omri.g
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- CR fix 2: Removed curly braces from the if-return statement
omri.g
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- CR fix 3: Creating a new object reference every wheel change to support same wheel deltaY on every change
omri.g
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Commits on Dec 22, 2020

- CR fix 4: Fixed compile error
omri.g
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