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.Bitmap;
22 import android.graphics.BitmapFactory;
23 import android.graphics.Canvas;
24 import android.graphics.Matrix;
25 import android.graphics.Paint;
26 import android.os.Bundle;
27 import android.view.Gravity;
28 import android.view.View;
29 import android.widget.FrameLayout;
30 
31 @SuppressWarnings({"UnusedDeclaration"})
32 public class Bitmaps3dActivity extends Activity {
33     @Override
onCreate(Bundle savedInstanceState)34     protected void onCreate(Bundle savedInstanceState) {
35         super.onCreate(savedInstanceState);
36         final BitmapsView view = new BitmapsView(this);
37         final FrameLayout layout = new FrameLayout(this);
38         layout.addView(view, new FrameLayout.LayoutParams(800, 400, Gravity.CENTER));
39         view.setRotationX(-35.0f);
40         setContentView(layout);
41     }
42 
43     static class BitmapsView extends View {
44         private final Paint mBitmapPaint;
45         private final Bitmap mBitmap1;
46         private Matrix mMatrix;
47 
BitmapsView(Context c)48         BitmapsView(Context c) {
49             super(c);
50 
51             mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1);
52             mBitmapPaint = new Paint();
53 
54             mMatrix = new Matrix();
55             mMatrix.setScale(2.0f, 2.0f);
56             mMatrix.preTranslate(0.0f, -10.0f);
57         }
58 
59         @Override
onDraw(Canvas canvas)60         protected void onDraw(Canvas canvas) {
61             super.onDraw(canvas);
62 
63             canvas.drawColor(0xffffffff);
64 
65             canvas.save();
66             canvas.translate(120.0f, 50.0f);
67 
68             canvas.concat(mMatrix);
69             canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mBitmapPaint);
70 
71             canvas.restore();
72         }
73     }
74 }
75