1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.test.hwui;
18
19import android.app.Activity;
20import android.content.Context;
21import android.graphics.Bitmap;
22import android.graphics.BitmapFactory;
23import android.graphics.Canvas;
24import android.graphics.Paint;
25import android.graphics.Path;
26import android.graphics.PorterDuff;
27import android.graphics.PorterDuffXfermode;
28import android.graphics.Region;
29import android.os.Bundle;
30import android.view.View;
31
32@SuppressWarnings({"UnusedDeclaration"})
33public class ClipRegionActivity extends Activity {
34    @Override
35    protected void onCreate(Bundle savedInstanceState) {
36        super.onCreate(savedInstanceState);
37        final RegionView view = new RegionView(this);
38        setContentView(view);
39    }
40
41    public static class RegionView extends View {
42        public RegionView(Context c) {
43            super(c);
44        }
45
46        @Override
47        protected void onDraw(Canvas canvas) {
48            super.onDraw(canvas);
49
50            canvas.save();
51            canvas.clipRect(100.0f, 100.0f, getWidth() - 100.0f, getHeight() - 100.0f,
52                    Region.Op.DIFFERENCE);
53            canvas.drawARGB(255, 255, 0, 0);
54            canvas.restore();
55        }
56    }
57}
58