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 
17 package com.android.test.hwui;
18 
19 import android.app.Activity;
20 import android.content.Context;
21 import android.graphics.Canvas;
22 import android.graphics.Paint;
23 import android.os.Bundle;
24 import android.view.View;
25 
26 @SuppressWarnings({"UnusedDeclaration"})
27 public class RotationActivity extends Activity {
28     @Override
onCreate(Bundle savedInstanceState)29     protected void onCreate(Bundle savedInstanceState) {
30         super.onCreate(savedInstanceState);
31 
32         DrawingView container = new DrawingView(this);
33 
34         setContentView(container);
35     }
36 
37     @SuppressWarnings({"UnusedDeclaration"})
dipToPx(Context c, int dip)38     static int dipToPx(Context c, int dip) {
39         return (int) (c.getResources().getDisplayMetrics().density * dip + 0.5f);
40     }
41 
42     static class DrawingView extends View {
43         private final Paint mPaint;
44 
DrawingView(Context c)45         DrawingView(Context c) {
46             super(c);
47             mPaint = new Paint();
48             mPaint.setAntiAlias(true);
49         }
50 
51         @Override
onDraw(Canvas canvas)52         protected void onDraw(Canvas canvas) {
53             canvas.save();
54             canvas.translate(dipToPx(getContext(), 400), dipToPx(getContext(), 200));
55             canvas.rotate(45.0f);
56             canvas.drawRGB(255, 255, 255);
57             mPaint.setColor(0xffff0000);
58             canvas.drawRect(-80.0f, -80.0f, 80.0f, 80.0f, mPaint);
59             canvas.drawRect(0.0f, 0.0f, 220.0f, 220.0f, mPaint);
60             canvas.restore();
61         }
62     }
63 }
64