| /* |
| * Copyright (C) 2011 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_H |
| #define LATINIME_PROXIMITY_INFO_H |
| |
| #include <stdint.h> |
| |
| #include "defines.h" |
| |
| namespace latinime { |
| |
| class Correction; |
| |
| class ProximityInfo { |
| public: |
| typedef enum { // Used as a return value for character comparison |
| SAME_OR_ACCENTED_OR_CAPITALIZED_CHAR, // Same char, possibly with different case or accent |
| NEAR_PROXIMITY_CHAR, // It is a char located nearby on the keyboard |
| UNRELATED_CHAR // It is an unrelated char |
| } ProximityType; |
| |
| ProximityInfo(const int maxProximityCharsSize, const int keyboardWidth, |
| const int keybaordHeight, const int gridWidth, const int gridHeight, |
| const uint32_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); |
| ~ProximityInfo(); |
| bool hasSpaceProximity(const int x, const int y) const; |
| void setInputParams(const int* inputCodes, const int inputLength); |
| 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) const; |
| bool sameAsTyped(const unsigned short *word, int length) const; |
| const unsigned short* getPrimaryInputWord() const { |
| return mPrimaryInputWord; |
| } |
| |
| private: |
| // 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; |
| |
| int getStartIndexFromCoordinates(const int x, const int y) const; |
| void initializeCodeToKeyIndex(); |
| const int MAX_PROXIMITY_CHARS_SIZE; |
| const int KEYBOARD_WIDTH; |
| const int KEYBOARD_HEIGHT; |
| const int GRID_WIDTH; |
| const int GRID_HEIGHT; |
| const int CELL_WIDTH; |
| const int CELL_HEIGHT; |
| const int KEY_COUNT; |
| const int *mInputCodes; |
| uint32_t *mProximityCharsArray; |
| 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]; |
| int32_t mKeyHeights[MAX_KEY_COUNT_IN_A_KEYBOARD]; |
| int32_t mKeyCharCodes[MAX_KEY_COUNT_IN_A_KEYBOARD]; |
| 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]; |
| }; |
| |
| } // namespace latinime |
| |
| #endif // LATINIME_PROXIMITY_INFO_H |