LatinIME/native/jni/src/proximity_info_params.h

110 lines
4.5 KiB
C++

/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LATINIME_PROXIMITY_INFO_PARAMS_H
#define LATINIME_PROXIMITY_INFO_PARAMS_H
#include "defines.h"
namespace latinime {
class ProximityInfoParams {
public:
static const float NOT_A_DISTANCE_FLOAT;
static const int MIN_DOUBLE_LETTER_BEELINE_SPEED_PERCENTILE;
static const float VERTICAL_SWEET_SPOT_SCALE;
static const float VERTICAL_SWEET_SPOT_SCALE_G;
// Used by ProximityInfoStateUtils::initGeometricDistanceInfos()
static const float NEAR_KEY_NORMALIZED_SQUARED_THRESHOLD;
// Used by ProximityInfoStateUtils::updateNearKeysDistances()
static const float NEAR_KEY_THRESHOLD_FOR_DISTANCE;
// Used by ProximityInfoStateUtils::isPrevLocalMin()
static const float MARGIN_FOR_PREV_LOCAL_MIN;
// Used by ProximityInfoStateUtils::getPointScore()
static const int DISTANCE_BASE_SCALE;
static const float NEAR_KEY_THRESHOLD_FOR_POINT_SCORE;
static const int CORNER_CHECK_DISTANCE_THRESHOLD_SCALE;
static const float NOT_LOCALMIN_DISTANCE_SCORE;
static const float LOCALMIN_DISTANCE_AND_NEAR_TO_KEY_SCORE;
static const float CORNER_ANGLE_THRESHOLD_FOR_POINT_SCORE;
static const float CORNER_SUM_ANGLE_THRESHOLD;
static const float CORNER_SCORE;
// Used by ProximityInfoStateUtils::refreshSpeedRates()
static const int NUM_POINTS_FOR_SPEED_CALCULATION;
// Used by ProximityInfoStateUtils::pushTouchPoint()
static const int LAST_POINT_SKIP_DISTANCE_SCALE;
// Used by ProximityInfoStateUtils::updateAlignPointProbabilities()
static const float MIN_PROBABILITY;
static const float MAX_SKIP_PROBABILITY;
static const float SKIP_FIRST_POINT_PROBABILITY;
static const float SKIP_LAST_POINT_PROBABILITY;
static const float MIN_SPEED_RATE_FOR_SKIP_PROBABILITY;
static const float SPEED_WEIGHT_FOR_SKIP_PROBABILITY;
static const float SLOW_STRAIGHT_WEIGHT_FOR_SKIP_PROBABILITY;
static const float NEAREST_DISTANCE_WEIGHT;
static const float NEAREST_DISTANCE_BIAS;
static const float NEAREST_DISTANCE_WEIGHT_FOR_LAST;
static const float NEAREST_DISTANCE_BIAS_FOR_LAST;
static const float ANGLE_WEIGHT;
static const float DEEP_CORNER_ANGLE_THRESHOLD;
static const float SKIP_DEEP_CORNER_PROBABILITY;
static const float CORNER_ANGLE_THRESHOLD;
static const float STRAIGHT_ANGLE_THRESHOLD;
static const float SKIP_CORNER_PROBABILITY;
static const float SPEED_MARGIN;
static const float CENTER_VALUE_OF_NORMALIZED_DISTRIBUTION;
static const float SPEEDxANGLE_WEIGHT_FOR_STANDARD_DIVIATION;
static const float MAX_SPEEDxANGLE_RATE_FOR_STANDERD_DIVIATION;
static const float SPEEDxNEAREST_WEIGHT_FOR_STANDARD_DIVIATION;
static const float MAX_SPEEDxNEAREST_RATE_FOR_STANDERD_DIVIATION;
static const float MIN_STANDERD_DIVIATION;
static const float PREV_DISTANCE_WEIGHT;
static const float NEXT_DISTANCE_WEIGHT;
// Used by ProximityInfoStateUtils::suppressCharProbabilities()
static const float SUPPRESSION_LENGTH_WEIGHT;
static const float MIN_SUPPRESSION_RATE;
static const float SUPPRESSION_WEIGHT;
static const float SUPPRESSION_WEIGHT_FOR_PROBABILITY_GAIN;
static const float SKIP_PROBABALITY_WEIGHT_FOR_PROBABILITY_GAIN;
// Used by ProximityInfoStateUtils::getMostProbableString()
static const float DEMOTION_LOG_PROBABILITY;
// Used by ProximityInfoStateUtils::updateSampledSearchKeySets()
static const float SEARCH_KEY_RADIUS_RATIO;
// Used by ProximityInfoStateUtils::calculateBeelineSpeedRate()
static const int LOOKUP_RADIUS_PERCENTILE;
static const int FIRST_POINT_TIME_OFFSET_MILLIS;
static const int STRONG_DOUBLE_LETTER_TIME_MILLIS;
// Used by ProximityInfoStateUtils::calculateNormalizedSquaredDistance()
static const int NORMALIZED_SQUARED_DISTANCE_SCALING_FACTOR;
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(ProximityInfoParams);
};
} // namespace latinime
#endif // LATINIME_PROXIMITY_INFO_PARAMS_H