ERegion::HitTest

Detects if the cursor is placed over one of the dragging handles.

Namespace: Euresys::Open_eVision

[C++]

Euresys::Open_eVision::EEditionMode HitTest(
   int x,
   int y,
   float zoomX,
   float zoomY,
   float panX,
   float panY
)

Parameters

x-coordinate of the mouse cursor.

y-coordinate of the mouse cursor.

zoomX

Horizontal zoom factor. By default, true scale is used.

zoomY

Vertical zoom factor. By default, true scale is used.

panX

Horizontal pan offset. By default, no pan is added.

panY

Vertical pan offset. By default, no pan is added.

Remarks

Returns a handle identifier, as defined by EEditionMode.
If zooming and/or panning were used when drawing the region, the same values must be used with ERegion::HitTest and ERegion::Drag.

ERegion.HitTest