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 Apache License, Version 2.0 (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://www.apache.org/licenses/LICENSE-2.0
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.
22 #include <dali/integration-api/events/gesture-event.h>
23 #include <dali/public-api/math/vector2.h>
25 namespace Dali DALI_IMPORT_API
32 * If the adaptor detects a pinch gesture, then it should create an instance of this structure and
33 * send it to the Core.
35 * A Pinch Gesture event should be in one of four states:
36 * - Started: If a pinch is detected.
37 * - Continuing: If after a pinch is detected, it continues.
38 * - Finished: If after a pinch, the user lifts their finger(s).
39 * - Cancelled: If there is a system interruption.
41 struct PinchGestureEvent : public GestureEvent
43 // Construction & Destruction
47 * @param[in] state The state of the gesture
49 PinchGestureEvent(Gesture::State state);
54 virtual ~PinchGestureEvent();
59 * @copydoc Dali::PinchGesture::scale
64 * @copydoc Dali::PinchGesture::speed
69 * The center point between the two touch points of the last touch event in the series of touch motion
70 * event producing this gesture.
75 } // namespace Integration
79 #endif // __DALI_INTEGRATION_PINCH_GESTURE_EVENT_H__