| /* |
| * 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.Color; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.os.Bundle; |
| import android.util.Log; |
| import android.view.View; |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public class PathOpsActivity extends Activity { |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| final PathsView view = new PathsView(this); |
| setContentView(view); |
| } |
| |
| public static class PathsView extends View { |
| private final Paint mPaint; |
| private Path[] mPaths; |
| private float mSize; |
| |
| |
| public PathsView(Context c) { |
| super(c); |
| |
| mPaint = new Paint(); |
| mPaint.setAntiAlias(true); |
| mPaint.setStyle(Paint.Style.FILL); |
| mPaint.setColor(Color.RED); |
| } |
| |
| @Override |
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
| super.onSizeChanged(w, h, oldw, oldh); |
| |
| Path.Op[] ops = Path.Op.values(); |
| mPaths = new Path[ops.length]; |
| |
| mSize = w / (ops.length * 2.0f); |
| |
| Path p1 = new Path(); |
| p1.addRect(0.0f, 0.0f, mSize, mSize, Path.Direction.CW); |
| |
| Path p2 = new Path(); |
| p2.addCircle(mSize, mSize, mSize / 2.0f, Path.Direction.CW); |
| |
| for (int i = 0; i < ops.length; i++) { |
| mPaths[i] = new Path(); |
| if (!mPaths[i].op(p1, p2, ops[i])) { |
| Log.d("PathOps", ops[i].name() + " failed!"); |
| } |
| } |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| |
| canvas.translate(mSize * 0.2f, getHeight() / 2.0f); |
| for (Path path : mPaths) { |
| canvas.drawPath(path, mPaint); |
| canvas.translate(mSize * 1.8f, 0.0f); |
| } |
| } |
| } |
| } |