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-rw-r--r--native/jni/src/proximity_info.h147
1 files changed, 88 insertions, 59 deletions
diff --git a/native/jni/src/proximity_info.h b/native/jni/src/proximity_info.h
index 80d43af9d..822909b7a 100644
--- a/native/jni/src/proximity_info.h
+++ b/native/jni/src/proximity_info.h
@@ -18,9 +18,9 @@
#define LATINIME_PROXIMITY_INFO_H
#include <stdint.h>
-#include <string>
#include "defines.h"
+#include "jni.h"
namespace latinime {
@@ -28,90 +28,117 @@ class Correction;
class ProximityInfo {
public:
- static const int NORMALIZED_SQUARED_DISTANCE_SCALING_FACTOR_LOG_2 = 10;
- static const int NORMALIZED_SQUARED_DISTANCE_SCALING_FACTOR =
- 1 << NORMALIZED_SQUARED_DISTANCE_SCALING_FACTOR_LOG_2;
-
- // Used as a return value for character comparison
- typedef enum {
- // Same char, possibly with different case or accent
- EQUIVALENT_CHAR,
- // It is a char located nearby on the keyboard
- NEAR_PROXIMITY_CHAR,
- // It is an unrelated char
- UNRELATED_CHAR,
- // Additional proximity char which can differ by language.
- ADDITIONAL_PROXIMITY_CHAR
- } ProximityType;
-
- ProximityInfo(const std::string localeStr, const int maxProximityCharsSize,
+ ProximityInfo(JNIEnv *env, const jstring localeJStr, const int maxProximityCharsSize,
const int keyboardWidth, const int keyboardHeight, const int gridWidth,
- const int gridHeight, const int mostCommonkeyWidth,
- const int32_t *proximityCharsArray, const int keyCount, const int32_t *keyXCoordinates,
- const int32_t *keyYCoordinates, const int32_t *keyWidths, const int32_t *keyHeights,
- const int32_t *keyCharCodes, const float *sweetSpotCenterXs,
- const float *sweetSpotCenterYs, const float *sweetSpotRadii);
+ const int gridHeight, const int mostCommonKeyWidth, const jintArray proximityChars,
+ const int keyCount, const jintArray keyXCoordinates, const jintArray keyYCoordinates,
+ const jintArray keyWidths, const jintArray keyHeights, const jintArray keyCharCodes,
+ const jfloatArray sweetSpotCenterXs, const jfloatArray sweetSpotCenterYs,
+ const jfloatArray sweetSpotRadii);
~ProximityInfo();
bool hasSpaceProximity(const int x, const int y) const;
- void setInputParams(const int32_t *inputCodes, const int inputLength,
- const int *xCoordinates, const int *yCoordinates);
- const int* getProximityCharsAt(const int index) const;
- unsigned short getPrimaryCharAt(const int index) const;
- bool existsCharInProximityAt(const int index, const int c) const;
- bool existsAdjacentProximityChars(const int index) const;
- ProximityType getMatchedProximityId(const int index, const unsigned short c,
- const bool checkProximityChars, int *proximityIndex = 0) const;
- int getNormalizedSquaredDistance(const int inputIndex, const int proximityIndex) const {
- return mNormalizedSquaredDistances[inputIndex * MAX_PROXIMITY_CHARS_SIZE + proximityIndex];
- }
+ int getNormalizedSquaredDistance(const int inputIndex, const int proximityIndex) const;
+ float getNormalizedSquaredDistanceFromCenterFloat(
+ const int keyId, const int x, const int y) const;
bool sameAsTyped(const unsigned short *word, int length) const;
- const unsigned short* getPrimaryInputWord() const {
- return mPrimaryInputWord;
+ int getKeyIndex(const int c) const;
+ int getKeyCode(const int keyIndex) const;
+ bool hasSweetSpotData(const int keyIndex) const {
+ // When there are no calibration data for a key,
+ // the radius of the key is assigned to zero.
+ return mSweetSpotRadii[keyIndex] > 0.0f;
+ }
+ float getSweetSpotRadiiAt(int keyIndex) const {
+ return mSweetSpotRadii[keyIndex];
+ }
+ float getSweetSpotCenterXAt(int keyIndex) const {
+ return mSweetSpotCenterXs[keyIndex];
+ }
+ float getSweetSpotCenterYAt(int keyIndex) const {
+ return mSweetSpotCenterYs[keyIndex];
+ }
+ void calculateNearbyKeyCodes(
+ const int x, const int y, const int32_t primaryKey, int *inputCodes) const;
+
+ bool hasTouchPositionCorrectionData() const {
+ return HAS_TOUCH_POSITION_CORRECTION_DATA;
+ }
+
+ int getMostCommonKeyWidth() const {
+ return MOST_COMMON_KEY_WIDTH;
+ }
+
+ int getMostCommonKeyWidthSquare() const {
+ return MOST_COMMON_KEY_WIDTH_SQUARE;
}
- bool touchPositionCorrectionEnabled() const {
- return mTouchPositionCorrectionEnabled;
+
+ const char *getLocaleStr() const {
+ return mLocaleStr;
}
+ int getKeyCount() const {
+ return KEY_COUNT;
+ }
+
+ int getCellHeight() const {
+ return CELL_HEIGHT;
+ }
+
+ int getCellWidth() const {
+ return CELL_WIDTH;
+ }
+
+ int getGridWidth() const {
+ return GRID_WIDTH;
+ }
+
+ int getGridHeight() const {
+ return GRID_HEIGHT;
+ }
+
+ float getKeyCenterXOfCharG(int charCode) const;
+ float getKeyCenterYOfCharG(int charCode) const;
+ float getKeyCenterXOfIdG(int keyId) const;
+ float getKeyCenterYOfIdG(int keyId) const;
+ int getKeyKeyDistanceG(int key0, int key1) const;
+
private:
+ DISALLOW_IMPLICIT_CONSTRUCTORS(ProximityInfo);
// The max number of the keys in one keyboard layout
static const int MAX_KEY_COUNT_IN_A_KEYBOARD = 64;
// The upper limit of the char code in mCodeToKeyIndex
static const int MAX_CHAR_CODE = 127;
- static const float NOT_A_DISTANCE_FLOAT = -1.0f;
- static const int NOT_A_CODE = -1;
+ static const int NOT_A_CODE;
+ static const float NOT_A_DISTANCE_FLOAT;
int getStartIndexFromCoordinates(const int x, const int y) const;
void initializeCodeToKeyIndex();
+ void initializeG();
float calculateNormalizedSquaredDistance(const int keyIndex, const int inputIndex) const;
float calculateSquaredDistanceFromSweetSpotCenter(
const int keyIndex, const int inputIndex) const;
bool hasInputCoordinates() const;
- int getKeyIndex(const int c) const;
- bool hasSweetSpotData(const int keyIndex) const {
- // When there are no calibration data for a key,
- // the radius of the key is assigned to zero.
- return mSweetSpotRadii[keyIndex] > 0.0;
- }
- bool isOnKey(const int keyId, const int x, const int y) const;
int squaredDistanceToEdge(const int keyId, const int x, const int y) const;
- void calculateNearbyKeyCodes(
- const int x, const int y, const int32_t primaryKey, int *inputCodes) const;
+ bool isOnKey(const int keyId, const int x, const int y) const {
+ if (keyId < 0) return true; // NOT_A_ID is -1, but return whenever < 0 just in case
+ const int left = mKeyXCoordinates[keyId];
+ const int top = mKeyYCoordinates[keyId];
+ const int right = left + mKeyWidths[keyId] + 1;
+ const int bottom = top + mKeyHeights[keyId];
+ return left < right && top < bottom && x >= left && x < right && y >= top && y < bottom;
+ }
const int MAX_PROXIMITY_CHARS_SIZE;
const int GRID_WIDTH;
const int GRID_HEIGHT;
+ const int MOST_COMMON_KEY_WIDTH;
const int MOST_COMMON_KEY_WIDTH_SQUARE;
const int CELL_WIDTH;
const int CELL_HEIGHT;
const int KEY_COUNT;
const bool HAS_TOUCH_POSITION_CORRECTION_DATA;
- const std::string mLocaleStr;
- int32_t *mInputCodes;
- const int *mInputXCoordinates;
- const int *mInputYCoordinates;
- bool mTouchPositionCorrectionEnabled;
+ char mLocaleStr[MAX_LOCALE_STRING_LENGTH];
int32_t *mProximityCharsArray;
- int *mNormalizedSquaredDistances;
int32_t mKeyXCoordinates[MAX_KEY_COUNT_IN_A_KEYBOARD];
int32_t mKeyYCoordinates[MAX_KEY_COUNT_IN_A_KEYBOARD];
int32_t mKeyWidths[MAX_KEY_COUNT_IN_A_KEYBOARD];
@@ -120,11 +147,13 @@ class ProximityInfo {
float mSweetSpotCenterXs[MAX_KEY_COUNT_IN_A_KEYBOARD];
float mSweetSpotCenterYs[MAX_KEY_COUNT_IN_A_KEYBOARD];
float mSweetSpotRadii[MAX_KEY_COUNT_IN_A_KEYBOARD];
- int mInputLength;
- unsigned short mPrimaryInputWord[MAX_WORD_LENGTH_INTERNAL];
int mCodeToKeyIndex[MAX_CHAR_CODE + 1];
-};
+ int mKeyToCodeIndexG[MAX_KEY_COUNT_IN_A_KEYBOARD];
+ int mCenterXsG[MAX_KEY_COUNT_IN_A_KEYBOARD];
+ int mCenterYsG[MAX_KEY_COUNT_IN_A_KEYBOARD];
+ int mKeyKeyDistancesG[MAX_KEY_COUNT_IN_A_KEYBOARD][MAX_KEY_COUNT_IN_A_KEYBOARD];
+ // TODO: move to correction.h
+};
} // namespace latinime
-
#endif // LATINIME_PROXIMITY_INFO_H