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Resolve "(io): pass point list to IGrabber interface to allow acting on the image"

Description

  • Pass region of interest center to IGrabber (and SGrabberProxy)
  • Implement zoom in SFrameGrabber
  • Update SImagePicker with additional configuration parameters:
    • useCtrlModifier: whether to use control when clicking or not
    • singlePointMode: whether to only allow selecting a point

Closes #980 (closed)

How to test it?

  • Build ExVideoRecorder
  • Load a video device
  • Click on the image:
    • One click will zoom on the specific point clicked
    • A second click will revert back to the global view
Edited by Alexandre ANCEL

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