Improved pan gesture prediction

[platform/core/uifw/dali-core.git] / dali / integration-api / input-options.h

diff --git a/dali/integration-api/input-options.h b/dali/integration-api/input-options.h
index 9b8458e..3c630a4 100644 (file)
--- a/dali/integration-api/input-options.h
+++ b/dali/integration-api/input-options.h
@@ -39,13 +39,41 @@ namespace Integration
 DALI_IMPORT_API void SetPanGesturePredictionMode( int mode );
 
 /**
- * @brief Called by adaptor to set the prediction amount of the pan gesture from an environment variable
+ * @brief Called by adaptor to set the prediction amount of the pan gesture
+ * from an environment variable
  *
  * @param[in] amount The prediction amount in milliseconds
  */
 DALI_IMPORT_API void SetPanGesturePredictionAmount(unsigned int amount);
 
 /**
+ * @brief Sets the upper bound of the prediction amount for clamping
+ * from an environment variable
+ *
+ * @param[in] amount The prediction amount in milliseconds
+ */
+DALI_IMPORT_API void SetPanGestureMaximumPredictionAmount( unsigned int amount );
+
+/**
+ * @brief Sets the lower bound of the prediction amount for clamping
+ * from an environment variable
+ *
+ * @param[in] amount The prediction amount in milliseconds
+ */
+DALI_IMPORT_API void SetPanGestureMinimumPredictionAmount( unsigned int amount );
+
+/**
+ * @brief Sets the prediction amount to adjust when the pan velocity is changed
+ * from an environment variable. 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
+ */
+DALI_IMPORT_API void SetPanGesturePredictionAmountAdjustment( unsigned int amount );
+
+/**
  * @brief Called to set how pan gestures smooth input
  *
  * @param[in] mode The smoothing mode to use
@@ -53,7 +81,7 @@ DALI_IMPORT_API void SetPanGesturePredictionAmount(unsigned int amount);
 DALI_IMPORT_API void SetPanGestureSmoothingMode( int mode );
 
 /**
- * @brief Sets the prediction amount of the pan gesture
+ * @brief Sets the smoothing 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
  */