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/*
* 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 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);
~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 int skipPos,
const int excessivePos, const int transposedPos) const;
bool sameAsTyped(const unsigned short *word, int length) const;
private:
int getStartIndexFromCoordinates(const int x, const int y) const;
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 *mInputCodes;
uint32_t *mProximityCharsArray;
int mInputLength;
};
} // namespace latinime
#endif // LATINIME_PROXIMITY_INFO_H
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