| /* |
| * Copyright (C) 2014 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.cts.verifier.projection.touch; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Point; |
| import android.util.AttributeSet; |
| import android.view.MotionEvent; |
| import android.view.View; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| /* |
| * Simple view that draws a circle where a touch is registered |
| */ |
| public class TouchPointView extends View { |
| @SuppressWarnings("unused") |
| private static final String TAG = TouchPointView.class.getSimpleName(); |
| |
| private final int[] mColors = { |
| Color.RED, |
| Color.GREEN, |
| Color.BLUE, |
| Color.YELLOW, |
| Color.MAGENTA, |
| Color.BLACK, |
| Color.DKGRAY |
| }; |
| List<Finger> mFingers; |
| Paint mPaint; |
| |
| public TouchPointView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public TouchPointView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| mFingers = new ArrayList<Finger>(); |
| |
| mPaint = new Paint(); |
| mPaint.setStyle(Paint.Style.FILL); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| mFingers.clear(); |
| if (event.getActionMasked() == MotionEvent.ACTION_UP) { |
| invalidate(); |
| return true; |
| } |
| for (int i = 0; i < event.getPointerCount(); i++) { |
| int pointerId = event.getPointerId(i); |
| int pointerIndex = event.findPointerIndex(pointerId); |
| Finger finger = new Finger(); |
| finger.point = new Point((int)event.getX(pointerIndex), (int)event.getY(pointerIndex)); |
| finger.pointerId = pointerId; |
| |
| mFingers.add(finger); |
| } |
| invalidate(); |
| return true; |
| } |
| |
| @Override |
| public void onDraw(Canvas canvas) { |
| int radius = canvas.getWidth() / 20; |
| for (int i = 0; i < mFingers.size(); i++) { |
| Finger finger = mFingers.get(i); |
| Point point = finger.point; |
| int color = mColors[finger.pointerId % mColors.length]; |
| mPaint.setColor(color); |
| canvas.drawCircle(point.x, point.y, radius, mPaint); |
| } |
| } |
| |
| private class Finger { |
| public Point point; |
| public int pointerId; |
| } |
| } |
| |