| /* |
| * Copyright (C) 2010 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.test.hwui; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.os.Bundle; |
| import android.util.Log; |
| import android.view.View; |
| |
| import java.util.ArrayList; |
| import java.util.Random; |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public class PathsCacheActivity extends Activity { |
| private Path mPath; |
| |
| private final Random mRandom = new Random(); |
| @SuppressWarnings("MismatchedQueryAndUpdateOfCollection") |
| private final ArrayList<Path> mPathList = new ArrayList<Path>(); |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| mPath = makePath(); |
| |
| final PathsView view = new PathsView(this); |
| setContentView(view); |
| } |
| |
| private static Path makePath() { |
| Path path = new Path(); |
| buildPath(path); |
| return path; |
| } |
| |
| private static void buildPath(Path path) { |
| path.moveTo(0.0f, 0.0f); |
| path.cubicTo(0.0f, 0.0f, 100.0f, 150.0f, 100.0f, 200.0f); |
| path.cubicTo(100.0f, 200.0f, 50.0f, 300.0f, -80.0f, 200.0f); |
| path.cubicTo(-80.0f, 200.0f, 100.0f, 200.0f, 200.0f, 0.0f); |
| } |
| |
| private static Path makeLargePath() { |
| Path path = new Path(); |
| buildLargePath(path); |
| return path; |
| } |
| |
| private static void buildLargePath(Path path) { |
| path.moveTo(0.0f, 0.0f); |
| path.cubicTo(0.0f, 0.0f, 10000.0f, 15000.0f, 10000.0f, 20000.0f); |
| path.cubicTo(10000.0f, 20000.0f, 5000.0f, 30000.0f, -8000.0f, 20000.0f); |
| path.cubicTo(-8000.0f, 20000.0f, 10000.0f, 20000.0f, 20000.0f, 0.0f); |
| } |
| |
| public class PathsView extends View { |
| private final Paint mMediumPaint; |
| |
| public PathsView(Context c) { |
| super(c); |
| |
| mMediumPaint = new Paint(); |
| mMediumPaint.setAntiAlias(true); |
| mMediumPaint.setColor(0xe00000ff); |
| mMediumPaint.setStrokeWidth(10.0f); |
| mMediumPaint.setStyle(Paint.Style.STROKE); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| |
| canvas.drawARGB(255, 255, 255, 255); |
| |
| canvas.save(); |
| canvas.translate(550.0f, 60.0f); |
| canvas.drawPath(mPath, mMediumPaint); |
| |
| mPath.reset(); |
| buildPath(mPath); |
| |
| canvas.translate(30.0f, 30.0f); |
| canvas.drawPath(mPath, mMediumPaint); |
| canvas.drawPath(mPath, mMediumPaint); |
| |
| mPath.reset(); |
| buildPath(mPath); |
| |
| canvas.translate(30.0f, 30.0f); |
| canvas.drawPath(mPath, mMediumPaint); |
| canvas.drawPath(mPath, mMediumPaint); |
| |
| canvas.restore(); |
| |
| for (int i = 0; i < mRandom.nextInt(20); i++) { |
| Path path = makePath(); |
| int r = mRandom.nextInt(10); |
| if (r == 5 || r == 3) { |
| mPathList.add(path); |
| } else if (r == 7) { |
| path = makeLargePath(); |
| mPathList.add(path); |
| } |
| |
| canvas.save(); |
| canvas.translate(450.0f + mRandom.nextInt(200), mRandom.nextInt(200)); |
| canvas.drawPath(path, mMediumPaint); |
| canvas.restore(); |
| } |
| |
| int r = mRandom.nextInt(100); |
| if (r == 50) { |
| mPathList.clear(); |
| } |
| |
| invalidate(); |
| } |
| } |
| } |