71 lines
2.5 KiB
Java
71 lines
2.5 KiB
Java
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.keyboard.internal;
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import com.android.inputmethod.latin.ResizableIntArray;
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public class GestureStrokeWithPreviewTrail extends GestureStroke {
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public static final int PREVIEW_CAPACITY = 256;
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private final ResizableIntArray mPreviewEventTimes = new ResizableIntArray(PREVIEW_CAPACITY);
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private final ResizableIntArray mPreviewXCoordinates = new ResizableIntArray(PREVIEW_CAPACITY);
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private final ResizableIntArray mPreviewYCoordinates = new ResizableIntArray(PREVIEW_CAPACITY);
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private int mStrokeId;
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private int mLastPreviewSize;
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public GestureStrokeWithPreviewTrail(final int pointerId) {
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super(pointerId);
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}
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@Override
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public void reset() {
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super.reset();
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mStrokeId++;
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mLastPreviewSize = 0;
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mPreviewEventTimes.setLength(0);
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mPreviewXCoordinates.setLength(0);
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mPreviewYCoordinates.setLength(0);
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}
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public int getGestureStrokeId() {
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return mStrokeId;
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}
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public int getGestureStrokePreviewSize() {
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return mPreviewEventTimes.getLength();
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}
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@Override
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public void addPoint(final int x, final int y, final int time, final boolean isHistorical) {
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super.addPoint(x, y, time, isHistorical);
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mPreviewEventTimes.add(time);
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mPreviewXCoordinates.add(x);
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mPreviewYCoordinates.add(y);
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}
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public void appendPreviewStroke(final ResizableIntArray eventTimes,
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final ResizableIntArray xCoords, final ResizableIntArray yCoords) {
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final int length = mPreviewEventTimes.getLength() - mLastPreviewSize;
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if (length <= 0) {
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return;
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}
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eventTimes.append(mPreviewEventTimes, mLastPreviewSize, length);
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xCoords.append(mPreviewXCoordinates, mLastPreviewSize, length);
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yCoords.append(mPreviewYCoordinates, mLastPreviewSize, length);
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mLastPreviewSize = mPreviewEventTimes.getLength();
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}
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}
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