1/*
2 * Copyright (C) 2013 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.example.android.rs.hellocomputendk;
18
19import android.app.Activity;
20import android.os.Bundle;
21import android.graphics.BitmapFactory;
22import android.graphics.Bitmap;
23import android.widget.ImageView;
24
25public class HelloComputeNDK extends Activity {
26    private Bitmap mBitmapIn;
27    private Bitmap mBitmapOut;
28
29    static {
30        System.loadLibrary("hellocomputendk");
31    }
32
33    native void nativeMono(String cacheDir, int X, int Y, Bitmap in, Bitmap out);
34
35    @Override
36    protected void onCreate(Bundle savedInstanceState) {
37        super.onCreate(savedInstanceState);
38        setContentView(R.layout.main);
39
40        mBitmapIn = loadBitmap(R.drawable.data);
41        mBitmapOut = Bitmap.createBitmap(mBitmapIn.getWidth(), mBitmapIn.getHeight(),
42                                         mBitmapIn.getConfig());
43
44        ImageView in = (ImageView) findViewById(R.id.displayin);
45        in.setImageBitmap(mBitmapIn);
46
47        ImageView out = (ImageView) findViewById(R.id.displayout);
48        out.setImageBitmap(mBitmapOut);
49
50        nativeMono(this.getCacheDir().toString(),
51                   mBitmapIn.getWidth(), mBitmapIn.getHeight(),
52                   mBitmapIn, mBitmapOut);
53
54    }
55
56    private Bitmap loadBitmap(int resource) {
57        final BitmapFactory.Options options = new BitmapFactory.Options();
58        options.inPreferredConfig = Bitmap.Config.ARGB_8888;
59        return BitmapFactory.decodeResource(getResources(), resource, options);
60    }
61}
62