[4.0] pan-gesture code refactor and environment variables

[platform/core/uifw/dali-core.git] / dali / internal / event / events / gesture-event-processor.h

diff --git a/dali/internal/event/events/gesture-event-processor.h b/dali/internal/event/events/gesture-event-processor.h
index 457f5cd..060fe00 100644 (file)
--- a/dali/internal/event/events/gesture-event-processor.h
+++ b/dali/internal/event/events/gesture-event-processor.h
@@ -2,7 +2,7 @@
 #define __DALI_INTERNAL_GESTURE_EVENT_PROCESSOR_H__
 
 /*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,6 +38,11 @@ class GestureManager;
 class RenderController;
 }
 
+namespace SceneGraph
+{
+class UpdateManager;
+}
+
 namespace Internal
 {
 
@@ -56,10 +61,11 @@ public:
   /**
    * Create a gesture event processor.
    * @param[in] stage The stage.
+   * @param[in] updateManager The update manager
    * @param[in] gestureManager The gesture manager
    * @param[in] renderController The render controller
    */
-  GestureEventProcessor(Stage& stage, Integration::GestureManager& gestureManager, Integration::RenderController& renderController);
+  GestureEventProcessor( Stage& stage, SceneGraph::UpdateManager& updateManager, Integration::GestureManager& gestureManager, Integration::RenderController& renderController );
 
   /**
    * Non-virtual destructor; GestureProcessor is not a base class
@@ -123,12 +129,114 @@ public: // Called by Core
   void EnablePanGestureProfiling();
 
   /**
-   * @brief Called to set how pan gestures predict and smooth input
+   * @brief Called to set how pan gestures predict input
    *
    * @param[in] mode The prediction mode to use
    */
   void SetPanGesturePredictionMode( int mode );
 
+  /**
+   * @brief Sets the prediction amount of the pan gesture
+   *
+   * @param[in] amount The prediction amount in milliseconds
+   */
+  void SetPanGesturePredictionAmount( unsigned int amount );
+
+  /**
+   * @brief Sets the upper bound of the prediction amount for clamping
+   *
+   * @param[in] amount The prediction amount in milliseconds
+   */
+  void SetPanGestureMaximumPredictionAmount( unsigned int amount );
+
+  /**
+   * @brief Sets the lower bound of the prediction amount for clamping
+   *
+   * @param[in] amount The prediction amount in milliseconds
+   */
+  void SetPanGestureMinimumPredictionAmount( unsigned int amount );
+
+  /**
+   * @brief Sets the prediction amount to adjust when the pan velocity is changed.
+   * If the pan velocity is accelerating, the prediction amount will be increased
+   * by the specified amount until it reaches the upper bound. If the pan velocity
+   * is decelerating, the prediction amount will be decreased by the specified amount
+   * until it reaches the lower bound.
+   *
+   * @param[in] amount The prediction amount in milliseconds
+   */
+  void SetPanGesturePredictionAmountAdjustment( unsigned int amount );
+
+  /**
+   * @brief Called to set how pan gestures smooth input
+   *
+   * @param[in] mode The smoothing mode to use
+   */
+  void SetPanGestureSmoothingMode( int mode );
+
+  /**
+   * @brief Sets the prediction amount of the pan gesture
+   *
+   * @param[in] amount The smoothing amount [0.0f,1.0f] - 0.0f would be no smoothing, 1.0f maximum smoothing
+   */
+  void SetPanGestureSmoothingAmount( float amount );
+
+  /*
+   * @brief Sets whether to use actual times of the real gesture and frames or not.
+   *
+   * @param[in] value True = use actual times, False = use perfect values
+   */
+  void SetPanGestureUseActualTimes( bool value );
+
+  /**
+   * @brief Sets the interpolation time range (ms) of past points to use (with weights) when interpolating.
+   *
+   * @param[in] value Time range in ms
+   */
+  void SetPanGestureInterpolationTimeRange( int value );
+
+  /**
+   * @brief Sets whether to use scalar only prediction, which when enabled, ignores acceleration.
+   *
+   * @param[in] value True = use scalar prediction only
+   */
+  void SetPanGestureScalarOnlyPredictionEnabled( bool value );
+
+  /**
+   * @brief Sets whether to use two point prediction. This combines two interpolated points to get more steady acceleration and velocity values.
+   *
+   * @param[in] value True = use two point prediction
+   */
+  void SetPanGestureTwoPointPredictionEnabled( bool value );
+
+  /**
+   * @brief Sets the time in the past to interpolate the second point when using two point interpolation.
+   *
+   * @param[in] value Time in past in ms
+   */
+  void SetPanGestureTwoPointInterpolatePastTime( int value );
+
+  /**
+   * @brief Sets the two point velocity bias. This is the ratio of first and second points to use for velocity.
+   *
+   * @param[in] value 0.0f = 100% first point. 1.0f = 100% of second point.
+   */
+  void SetPanGestureTwoPointVelocityBias( float value );
+
+  /**
+   * @brief Sets the two point acceleration bias. This is the ratio of first and second points to use for acceleration.
+   *
+   * @param[in] value 0.0f = 100% first point. 1.0f = 100% of second point.
+   */
+  void SetPanGestureTwoPointAccelerationBias( float value );
+
+  /**
+   * @brief Sets the range of time (ms) of points in the history to perform multitap smoothing with (if enabled).
+   *
+   * @param[in] value Time in past in ms
+   */
+  void SetPanGestureMultitapSmoothingRange( int value );
+
 private:
 
   // Undefined