GestureList¶

Methods:

The GestureList class represents a list of Gesture objects.

Get a GestureList object from a Frame object.

Since

1.0

Public Functions

GestureList & append(const GestureList & other)

Appends the members of the specified GestureList to this GestureList.

Since

1.0

Parameters

• other -

  A GestureList object containing Gesture objects to append to the end of this GestureList.

const_iterator begin()

The C++ iterator set to the beginning of this GestureList.

Leap::GestureList gestures = frame.gestures();
for(Leap::GestureList::const_iterator gl = gestures.begin(); gl != gestures.end(); gl++)
{
    std::cout << (*gl).toString() << std::endl;
}

Since

1.0

int count()

The length of this list.

if (frame.gestures().count() > 0) {
    //Process gestures...
}

Return

The number of gestures in this list.

Since

1.0

const_iterator end()

The C++ iterator set to the end of this GestureList.

Leap::GestureList gestures = frame.gestures();
for(Leap::GestureList::const_iterator gl = gestures.begin(); gl != gestures.end(); gl++)
    std::cout << (*gl).toString() << std::endl;

Since

1.0

GestureList()

Constructs an empty gesture list.

Since

1.0

bool isEmpty()

Reports whether the list is empty.

if (!frame.gestures().isEmpty()) {
    //Handle this frame's gesture objects
}

Return

True, if the list has no members.

Since

1.0

Gesture operator[](int index)

Access a list member by its position in the list.

Leap::GestureList allGestures = frame.gestures();
Leap::Gesture firstGesture = allGestures[0];

Return

The Gesture object at the specified index.

Since

1.0

Parameters

• index -

  The zero-based list position index.