1 #ifndef __DALI_INTEGRATION_PINCH_GESTURE_EVENT_H__
2 #define __DALI_INTEGRATION_PINCH_GESTURE_EVENT_H__
5 // Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 // Licensed under the Flora License, Version 1.0 (the License);
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://floralicense.org/license/
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an AS IS BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
21 #include <dali/integration-api/events/gesture-event.h>
22 #include <dali/public-api/math/vector2.h>
24 namespace Dali DALI_IMPORT_API
31 * If the adaptor detects a pinch gesture, then it should create an instance of this structure and
32 * send it to the Core.
34 * A Pinch Gesture event should be in one of four states:
35 * - Started: If a pinch is detected.
36 * - Continuing: If after a pinch is detected, it continues.
37 * - Finished: If after a pinch, the user lifts their finger(s).
38 * - Cancelled: If there is a system interruption.
40 struct PinchGestureEvent : public GestureEvent
42 // Construction & Destruction
46 * @param[in] state The state of the gesture
48 PinchGestureEvent(Gesture::State state);
53 virtual ~PinchGestureEvent();
58 * @copydoc Dali::PinchGesture::scale
63 * @copydoc Dali::PinchGesture::speed
68 * The center point between the two touch points of the last touch event in the series of touch motion
69 * event producing this gesture.
74 } // namespace Integration
78 #endif // __DALI_INTEGRATION_PINCH_GESTURE_EVENT_H__