| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| package com.android.inputmethod.keyboard.internal; |
| |
| import com.android.inputmethod.annotations.UsedForTesting; |
| import com.android.inputmethod.latin.LatinImeLogger; |
| |
| public final class TouchPositionCorrection { |
| private static final int TOUCH_POSITION_CORRECTION_RECORD_SIZE = 3; |
| |
| private boolean mEnabled; |
| private float[] mXs; |
| private float[] mYs; |
| private float[] mRadii; |
| |
| public void load(final String[] data) { |
| final int dataLength = data.length; |
| if (dataLength % TOUCH_POSITION_CORRECTION_RECORD_SIZE != 0) { |
| if (LatinImeLogger.sDBG) { |
| throw new RuntimeException( |
| "the size of touch position correction data is invalid"); |
| } |
| return; |
| } |
| |
| final int length = dataLength / TOUCH_POSITION_CORRECTION_RECORD_SIZE; |
| mXs = new float[length]; |
| mYs = new float[length]; |
| mRadii = new float[length]; |
| try { |
| for (int i = 0; i < dataLength; ++i) { |
| final int type = i % TOUCH_POSITION_CORRECTION_RECORD_SIZE; |
| final int index = i / TOUCH_POSITION_CORRECTION_RECORD_SIZE; |
| final float value = Float.parseFloat(data[i]); |
| if (type == 0) { |
| mXs[index] = value; |
| } else if (type == 1) { |
| mYs[index] = value; |
| } else { |
| mRadii[index] = value; |
| } |
| } |
| mEnabled = dataLength > 0; |
| } catch (NumberFormatException e) { |
| if (LatinImeLogger.sDBG) { |
| throw new RuntimeException( |
| "the number format for touch position correction data is invalid"); |
| } |
| mEnabled = false; |
| mXs = null; |
| mYs = null; |
| mRadii = null; |
| } |
| } |
| |
| @UsedForTesting |
| public void setEnabled(final boolean enabled) { |
| mEnabled = enabled; |
| } |
| |
| public boolean isValid() { |
| return mEnabled; |
| } |
| |
| public int getRows() { |
| return mRadii.length; |
| } |
| |
| public float getX(final int row) { |
| return 0.0f; |
| // Touch position correction data for X coordinate is obsolete. |
| // return mXs[row]; |
| } |
| |
| public float getY(final int row) { |
| return mYs[row]; |
| } |
| |
| public float getRadius(final int row) { |
| return mRadii[row]; |
| } |
| } |