1 /*
2 * Copyright (C) 2020 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 #include "SkAndroidCodec.h"
18 #include "SkBitmap.h"
19 #include "SkCanvas.h"
20 #include "SkData.h"
21 #include "SkSurface.h"
22
23 #include "../includes/memutils.h"
24 #include <fstream>
25 #include <iostream>
26
27 #define SAMPLE_SIZE 6
28 char enable_selective_overload = ENABLE_NONE;
29
decode(sk_sp<SkData> bytes,uint8_t sampleSize)30 int decode(sk_sp<SkData> bytes, uint8_t sampleSize) {
31 auto codec = SkAndroidCodec::MakeFromData(bytes);
32 if (!codec) {
33 return EXIT_FAILURE;
34 }
35
36 auto size = codec->getSampledDimensions(sampleSize);
37 auto info = SkImageInfo::MakeN32Premul(size);
38 SkBitmap bm;
39 if (!bm.tryAllocPixels(info)) {
40 return EXIT_FAILURE;
41 }
42
43 SkAndroidCodec::AndroidOptions options;
44 options.fSampleSize = sampleSize;
45
46 codec->getAndroidPixels(bm.info(), bm.getPixels(), bm.rowBytes(), &options);
47 return EXIT_SUCCESS;
48 }
49
main(int argc,char ** argv)50 int main(int argc, char **argv) {
51 if (argc != 2) {
52 return EXIT_FAILURE;
53 }
54 std::ifstream inFile(argv[1]);
55 if (!inFile) {
56 return EXIT_FAILURE;
57 }
58 inFile.seekg(0, inFile.end);
59 size_t size = inFile.tellg();
60 if (size < 1) {
61 inFile.close();
62 return EXIT_FAILURE;
63 }
64 inFile.seekg(0, inFile.beg);
65 uint8_t *data = (uint8_t *)malloc(size);
66 if (!data) {
67 return EXIT_FAILURE;
68 }
69 inFile.read(reinterpret_cast<char *>(data), size);
70 auto bytes = SkData::MakeWithoutCopy(data, size);
71 bytes = SkData::MakeSubset(bytes.get(), 1, size - 1);
72 enable_selective_overload = ENABLE_ALL;
73 int ret = decode(bytes, SAMPLE_SIZE);
74 enable_selective_overload = ENABLE_NONE;
75 inFile.close();
76 free(data);
77 return ret;
78 }
79