1 /*
2 * Copyright 2018 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/codec/SkCodec.h"
9 #include "include/core/SkBitmap.h"
10 #include "include/core/SkColorSpace.h"
11 #include "include/core/SkColorType.h"
12 #include "include/core/SkData.h"
13 #include "include/core/SkEncodedImageFormat.h"
14 #include "include/core/SkImageEncoder.h"
15 #include "include/core/SkImageInfo.h"
16 #include "include/core/SkStream.h"
17 #include "tests/Test.h"
18 #include "tools/Resources.h"
19 #include "tools/ToolUtils.h"
20
21 #include <memory>
22 #include <utility>
23
DEF_TEST(AlphaEncodedInfo,r)24 DEF_TEST(AlphaEncodedInfo, r) {
25 auto codec = SkCodec::MakeFromStream(GetResourceAsStream("images/grayscale.jpg"));
26 REPORTER_ASSERT(r, codec->getInfo().colorType() == kGray_8_SkColorType);
27
28 SkBitmap bm;
29 bm.allocPixels(codec->getInfo().makeColorType(kAlpha_8_SkColorType).makeColorSpace(nullptr));
30 auto result = codec->getPixels(codec->getInfo(), bm.getPixels(), bm.rowBytes());
31 REPORTER_ASSERT(r, result == SkCodec::kSuccess);
32
33 auto data = SkEncodeBitmap(bm, SkEncodedImageFormat::kPNG, 100);
34 REPORTER_ASSERT(r, data);
35
36 codec = SkCodec::MakeFromData(std::move(data));
37 REPORTER_ASSERT(r, codec);
38 // TODO: Make SkEncodedInfo public and compare to its version of kAlpha_8.
39 REPORTER_ASSERT(r, codec->getInfo().colorType() == kAlpha_8_SkColorType);
40
41 SkBitmap bm2;
42 bm2.allocPixels(codec->getInfo().makeColorSpace(nullptr));
43 result = codec->getPixels(bm2.pixmap());
44 REPORTER_ASSERT(r, result == SkCodec::kSuccess);
45
46 REPORTER_ASSERT(r, ToolUtils::equal_pixels(bm.pixmap(), bm2.pixmap()));
47 }
48
