1/*
2 * Copyright (C) 2017 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 android.support.graphics.drawable.tests;
18
19import android.content.res.Resources;
20import android.graphics.Bitmap;
21import android.util.Log;
22
23import java.io.File;
24import java.io.FileOutputStream;
25import java.io.IOException;
26
27
28public class DrawableUtils {
29
30    private static final String LOGTAG = DrawableUtils.class.getSimpleName();
31
32    // This is only for debugging or golden image (re)generation purpose.
33    public static void saveVectorDrawableIntoPNG(Resources resource, Bitmap bitmap, int resId,
34            String filename) throws IOException {
35        // Save the image to the disk.
36        FileOutputStream out = null;
37        try {
38            String outputFolder = "/sdcard/temp/";
39            File folder = new File(outputFolder);
40            if (!folder.exists()) {
41                folder.mkdir();
42            }
43            String fileTitle = "unname";
44            if (resId >= 0) {
45                String originalFilePath = resource.getString(resId);
46                File originalFile = new File(originalFilePath);
47                String fileFullName = originalFile.getName();
48                fileTitle = fileFullName.substring(0, fileFullName.lastIndexOf("."));
49                if (filename != null) {
50                    fileTitle += "_" + filename;
51                }
52            } else if (filename != null) {
53                fileTitle = filename;
54            }
55            String outputFilename = outputFolder + fileTitle + "_golden.png";
56            File outputFile = new File(outputFilename);
57            if (!outputFile.exists()) {
58                outputFile.createNewFile();
59            }
60
61            out = new FileOutputStream(outputFile, false);
62            bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
63            Log.v(LOGTAG, "Write test No." + outputFilename + " to file successfully.");
64        } catch (Exception e) {
65            e.printStackTrace();
66        } finally {
67            if (out != null) {
68                out.close();
69            }
70        }
71    }
72}
73