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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.
*/
#include <stdio.h>
#include <string.h>
#define LOG_TAG "LatinIME: proximity_info.cpp"
#include "proximity_info.h"
namespace latinime {
ProximityInfo::ProximityInfo(const int maxProximityCharsSize, const int keyboardWidth,
const int keyboardHeight, const int gridWidth, const int gridHeight,
const uint32_t *proximityCharsArray)
: MAX_PROXIMITY_CHARS_SIZE(maxProximityCharsSize), KEYBOARD_WIDTH(keyboardWidth),
KEYBOARD_HEIGHT(keyboardHeight), GRID_WIDTH(gridWidth), GRID_HEIGHT(gridHeight),
CELL_WIDTH((keyboardWidth + gridWidth - 1) / gridWidth),
CELL_HEIGHT((keyboardHeight + gridHeight - 1) / gridHeight) {
const int len = GRID_WIDTH * GRID_HEIGHT * MAX_PROXIMITY_CHARS_SIZE;
mProximityCharsArray = new uint32_t[len];
if (DEBUG_PROXIMITY_INFO) {
LOGI("Create proximity info array %d", len);
}
memcpy(mProximityCharsArray, proximityCharsArray, len * sizeof(mProximityCharsArray[0]));
}
ProximityInfo::~ProximityInfo() {
delete[] mProximityCharsArray;
}
inline int ProximityInfo::getStartIndexFromCoordinates(const int x, const int y) const {
return ((y / CELL_HEIGHT) * GRID_WIDTH + (x / CELL_WIDTH))
* MAX_PROXIMITY_CHARS_SIZE;
}
bool ProximityInfo::hasSpaceProximity(const int x, const int y) const {
const int startIndex = getStartIndexFromCoordinates(x, y);
if (DEBUG_PROXIMITY_INFO) {
LOGI("hasSpaceProximity: index %d", startIndex);
}
for (int i = 0; i < MAX_PROXIMITY_CHARS_SIZE; ++i) {
if (DEBUG_PROXIMITY_INFO) {
LOGI("Index: %d", mProximityCharsArray[startIndex + i]);
}
if (mProximityCharsArray[startIndex + i] == KEYCODE_SPACE) {
return true;
}
}
return false;
}
} // namespace latinime
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