aboutsummaryrefslogtreecommitdiffstats
path: root/native/jni/src/proximity_info_state.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'native/jni/src/proximity_info_state.cpp')
-rw-r--r--native/jni/src/proximity_info_state.cpp43
1 files changed, 24 insertions, 19 deletions
diff --git a/native/jni/src/proximity_info_state.cpp b/native/jni/src/proximity_info_state.cpp
index b363dcc36..c62b9b35d 100644
--- a/native/jni/src/proximity_info_state.cpp
+++ b/native/jni/src/proximity_info_state.cpp
@@ -224,7 +224,7 @@ float ProximityInfoState::updateNearKeysDistances(const int x, const int y,
bool ProximityInfoState::isPrevLocalMin(const NearKeysDistanceMap *const currentNearKeysDistances,
const NearKeysDistanceMap *const prevNearKeysDistances,
const NearKeysDistanceMap *const prevPrevNearKeysDistances) const {
- static const float MARGIN = 0.5f;
+ static const float MARGIN = 0.05f;
for (NearKeysDistanceMap::const_iterator it = prevNearKeysDistances->begin();
it != prevNearKeysDistances->end(); ++it) {
@@ -245,14 +245,14 @@ float ProximityInfoState::getPointScore(
const NearKeysDistanceMap *const prevNearKeysDistances,
const NearKeysDistanceMap *const prevPrevNearKeysDistances) const {
static const float BASE_SAMPLE_RATE_SCALE = 0.1f;
- static const float SAVE_DISTANCE_SCALE = 12.0f;
+ static const float SAVE_DISTANCE_SCALE = 14.0f;
static const float SAVE_DISTANCE_SCORE = 2.0f;
static const float SKIP_DISTANCE_SCALE = 1.5f;
static const float SKIP_DISTANCE_SCORE = -1.0f;
- static const float CHECK_LOCALMIN_DISTANCE_THRESHOLD_SCALE = 2.5f;
+ static const float CHECK_LOCALMIN_DISTANCE_THRESHOLD_SCALE = 3.5f;
static const float CHECK_LOCALMIN_DISTANCE_SCORE = -1.0f;
static const float STRAIGHT_ANGLE_THRESHOLD = M_PI_F / 32.0f;
- static const float STRAIGHT_SKIP_DISTANCE_THRESHOLD_SCALE = 4.0f;
+ static const float STRAIGHT_SKIP_DISTANCE_THRESHOLD_SCALE = 5.0f;
static const float STRAIGHT_SKIP_NEAREST_DISTANCE_THRESHOLD = 0.5f;
static const float STRAIGHT_SKIP_SCORE = -1.0f;
@@ -275,19 +275,19 @@ float ProximityInfoState::getPointScore(
score += SKIP_DISTANCE_SCORE;
}
// Location
- if (!isPrevLocalMin(currentNearKeysDistances, currentNearKeysDistances,
+ if (distPrev < baseSampleRate * CHECK_LOCALMIN_DISTANCE_THRESHOLD_SCALE) {
+ if (!isPrevLocalMin(currentNearKeysDistances, currentNearKeysDistances,
prevPrevNearKeysDistances)) {
- if (distPrev < baseSampleRate * CHECK_LOCALMIN_DISTANCE_THRESHOLD_SCALE) {
score += CHECK_LOCALMIN_DISTANCE_SCORE;
}
}
// Angle
- const float angle1 = getAngle(x, y, mInputXs.back(), mInputYs.back());
- const float angle2 = getAngle(mInputXs.back(), mInputYs.back(),
- mInputXs[size - 2], mInputYs[size - 2]);
- if (getAngleDiff(angle1, angle2) < STRAIGHT_ANGLE_THRESHOLD) {
- if (nearest > STRAIGHT_SKIP_NEAREST_DISTANCE_THRESHOLD
- && distPrev < baseSampleRate * STRAIGHT_SKIP_DISTANCE_THRESHOLD_SCALE) {
+ if (nearest > STRAIGHT_SKIP_NEAREST_DISTANCE_THRESHOLD
+ && distPrev < baseSampleRate * STRAIGHT_SKIP_DISTANCE_THRESHOLD_SCALE) {
+ const float angle1 = getAngle(x, y, mInputXs.back(), mInputYs.back());
+ const float angle2 = getAngle(mInputXs.back(), mInputYs.back(),
+ mInputXs[size - 2], mInputYs[size - 2]);
+ if (getAngleDiff(angle1, angle2) < STRAIGHT_ANGLE_THRESHOLD) {
score += STRAIGHT_SKIP_SCORE;
}
}
@@ -383,13 +383,14 @@ float ProximityInfoState::calculateNormalizedSquaredDistance(
}
int ProximityInfoState::getDuration(const int index) const {
- if (mInputSize > 0 && index > 0 && index < static_cast<int>(mInputSize) - 1) {
+ if (mInputSize > 0 && index > 0 && index < mInputSize - 1) {
return mTimes[index + 1] - mTimes[index - 1];
}
return 0;
}
-float ProximityInfoState::getPointToKeyLength(int inputIndex, int codePoint, float scale) {
+float ProximityInfoState::getPointToKeyLength(const int inputIndex, const int codePoint,
+ const float scale) const {
const int keyId = mProximityInfo->getKeyIndexOf(codePoint);
if (keyId != NOT_AN_INDEX) {
const int index = inputIndex * mProximityInfo->getKeyCount() + keyId;
@@ -404,11 +405,7 @@ float ProximityInfoState::getPointToKeyLength(int inputIndex, int codePoint, flo
return MAX_POINT_TO_KEY_LENGTH;
}
-int ProximityInfoState::getKeyKeyDistance(int key0, int key1) {
- return mProximityInfo->getKeyKeyDistanceG(key0, key1);
-}
-
-int ProximityInfoState::getSpaceY() {
+int ProximityInfoState::getSpaceY() const {
const int keyId = mProximityInfo->getKeyIndexOf(' ');
return mProximityInfo->getKeyCenterYOfKeyIdG(keyId);
}
@@ -447,4 +444,12 @@ int32_t ProximityInfoState::getAllPossibleChars(
}
return i;
}
+
+float ProximityInfoState::getAveragePointDuration() const {
+ if (mInputSize == 0) {
+ return 0;
+ }
+ return (mTimes[mInputSize - 1] - mTimes[0]) / static_cast<float>(mInputSize);
+}
+
} // namespace latinime