am f5297a2b: am 0e301bdc: Merge "Generalize incremental recognition to non-Latin languages" into jb-mr1-dev
* commit 'f5297a2b615d98ebf178fb74c42c7349ac8f3e9f': Generalize incremental recognition to non-Latin languagesmain
commit
c445a32b12
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@ -67,7 +67,8 @@ ProximityInfo::ProximityInfo(JNIEnv *env, const jstring localeJStr, const int ma
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&& keyWidths && keyHeights && keyCharCodes && sweetSpotCenterXs
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&& sweetSpotCenterYs && sweetSpotRadii),
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mProximityCharsArray(new int32_t[GRID_WIDTH * GRID_HEIGHT * MAX_PROXIMITY_CHARS_SIZE
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/* proximityGridLength */]) {
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/* proximityGridLength */]),
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mCodeToKeyMap() {
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const int proximityGridLength = GRID_WIDTH * GRID_HEIGHT * MAX_PROXIMITY_CHARS_SIZE;
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if (DEBUG_PROXIMITY_INFO) {
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AKLOGI("Create proximity info array %d", proximityGridLength);
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@ -88,22 +89,9 @@ ProximityInfo::ProximityInfo(JNIEnv *env, const jstring localeJStr, const int ma
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safeGetOrFillZeroFloatArrayRegion(env, sweetSpotCenterXs, KEY_COUNT, mSweetSpotCenterXs);
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safeGetOrFillZeroFloatArrayRegion(env, sweetSpotCenterYs, KEY_COUNT, mSweetSpotCenterYs);
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safeGetOrFillZeroFloatArrayRegion(env, sweetSpotRadii, KEY_COUNT, mSweetSpotRadii);
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initializeCodePointToKeyIndex();
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initializeG();
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}
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// Build the reversed look up table from the char code to the index in mKeyXCoordinates,
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// mKeyYCoordinates, mKeyWidths, mKeyHeights, mKeyCharCodes.
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void ProximityInfo::initializeCodePointToKeyIndex() {
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memset(mCodePointToKeyIndex, -1, sizeof(mCodePointToKeyIndex));
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for (int i = 0; i < KEY_COUNT; ++i) {
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const int code = mKeyCodePoints[i];
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if (0 <= code && code <= MAX_CHAR_CODE) {
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mCodePointToKeyIndex[code] = i;
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}
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}
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}
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ProximityInfo::~ProximityInfo() {
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delete[] mProximityCharsArray;
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}
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@ -239,11 +227,12 @@ int ProximityInfo::getKeyIndexOf(const int c) const {
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// We do not have the coordinate data
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return NOT_AN_INDEX;
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}
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const unsigned short baseLowerC = toBaseLowerCase(c);
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if (baseLowerC > MAX_CHAR_CODE) {
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return NOT_AN_INDEX;
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const int baseLowerC = static_cast<int>(toBaseLowerCase(c));
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hash_map_compat<int, int>::const_iterator mapPos = mCodeToKeyMap.find(baseLowerC);
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if (mapPos != mCodeToKeyMap.end()) {
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return mapPos->second;
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}
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return mCodePointToKeyIndex[baseLowerC];
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return NOT_AN_INDEX;
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}
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int ProximityInfo::getCodePointOf(const int keyIndex) const {
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@ -260,12 +249,8 @@ void ProximityInfo::initializeG() {
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const int lowerCode = toBaseLowerCase(code);
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mCenterXsG[i] = mKeyXCoordinates[i] + mKeyWidths[i] / 2;
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mCenterYsG[i] = mKeyYCoordinates[i] + mKeyHeights[i] / 2;
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if (code != lowerCode && lowerCode >= 0 && lowerCode <= MAX_CHAR_CODE) {
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mCodePointToKeyIndex[lowerCode] = i;
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mCodeToKeyMap[lowerCode] = i;
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mKeyIndexToCodePointG[i] = lowerCode;
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} else {
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mKeyIndexToCodePointG[i] = code;
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}
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}
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for (int i = 0; i < KEY_COUNT; i++) {
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mKeyKeyDistancesG[i][i] = 0;
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@ -20,6 +20,7 @@
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#include <stdint.h>
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#include "defines.h"
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#include "hash_map_compat.h"
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#include "jni.h"
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namespace latinime {
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@ -112,12 +113,9 @@ class ProximityInfo {
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(ProximityInfo);
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// The upper limit of the char code in mCodePointToKeyIndex
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static const int MAX_CHAR_CODE = 127;
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static const float NOT_A_DISTANCE_FLOAT;
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int getStartIndexFromCoordinates(const int x, const int y) const;
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void initializeCodePointToKeyIndex();
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void initializeG();
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float calculateNormalizedSquaredDistance(const int keyIndex, const int inputIndex) const;
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float calculateSquaredDistanceFromSweetSpotCenter(
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@ -154,7 +152,7 @@ class ProximityInfo {
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float mSweetSpotCenterXs[MAX_KEY_COUNT_IN_A_KEYBOARD];
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float mSweetSpotCenterYs[MAX_KEY_COUNT_IN_A_KEYBOARD];
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float mSweetSpotRadii[MAX_KEY_COUNT_IN_A_KEYBOARD];
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int mCodePointToKeyIndex[MAX_CHAR_CODE + 1];
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hash_map_compat<int, int> mCodeToKeyMap;
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int mKeyIndexToCodePointG[MAX_KEY_COUNT_IN_A_KEYBOARD];
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int mCenterXsG[MAX_KEY_COUNT_IN_A_KEYBOARD];
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@ -37,8 +37,6 @@ class ProximityInfoState {
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static const int NORMALIZED_SQUARED_DISTANCE_SCALING_FACTOR_LOG_2 = 10;
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static const int NORMALIZED_SQUARED_DISTANCE_SCALING_FACTOR =
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1 << NORMALIZED_SQUARED_DISTANCE_SCALING_FACTOR_LOG_2;
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// The upper limit of the char code in mCodeToKeyIndex
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static const int MAX_CHAR_CODE = 127;
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static const float NOT_A_DISTANCE_FLOAT = -1.0f;
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static const int NOT_A_CODE = -1;
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