1 /*
2 * Copyright 2014 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/core/SkAlphaType.h"
9 #include "include/core/SkCanvas.h"
10 #include "include/core/SkColor.h"
11 #include "include/core/SkColorSpace.h"
12 #include "include/core/SkColorType.h"
13 #include "include/core/SkData.h"
14 #include "include/core/SkGraphics.h"
15 #include "include/core/SkImage.h"
16 #include "include/core/SkImageGenerator.h"
17 #include "include/core/SkImageInfo.h"
18 #include "include/core/SkPicture.h"
19 #include "include/core/SkPictureRecorder.h"
20 #include "include/core/SkRefCnt.h"
21 #include "include/core/SkYUVAInfo.h"
22 #include "include/core/SkYUVAPixmaps.h"
23 #include "src/base/SkAutoMalloc.h"
24 #include "tests/Test.h"
25
26 #include <memory>
27
28 #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
29 #include "include/ports/SkImageGeneratorCG.h"
30 #elif defined(SK_BUILD_FOR_WIN)
31 #include "include/ports/SkImageGeneratorWIC.h"
32 #endif
33
34 static bool gMyFactoryWasCalled;
35
my_factory(sk_sp<SkData>)36 static std::unique_ptr<SkImageGenerator> my_factory(sk_sp<SkData>) {
37 gMyFactoryWasCalled = true;
38 return nullptr;
39 }
40
test_imagegenerator_factory(skiatest::Reporter * reporter)41 static void test_imagegenerator_factory(skiatest::Reporter* reporter) {
42 // just need a non-empty data to test things
43 sk_sp<SkData> data(SkData::MakeWithCString("test_imagegenerator_factory"));
44
45 gMyFactoryWasCalled = false;
46
47 REPORTER_ASSERT(reporter, !gMyFactoryWasCalled);
48
49 std::unique_ptr<SkImageGenerator> gen = SkImageGenerator::MakeFromEncoded(data);
50 REPORTER_ASSERT(reporter, nullptr == gen);
51 REPORTER_ASSERT(reporter, !gMyFactoryWasCalled);
52
53 // Test is racy, in that it hopes no other thread is changing this global...
54 auto prev = SkGraphics::SetImageGeneratorFromEncodedDataFactory(my_factory);
55 gen = SkImageGenerator::MakeFromEncoded(data);
56 REPORTER_ASSERT(reporter, nullptr == gen);
57 REPORTER_ASSERT(reporter, gMyFactoryWasCalled);
58
59 // This just verifies that the signatures match.
60 #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
61 SkGraphics::SetImageGeneratorFromEncodedDataFactory(SkImageGeneratorCG::MakeFromEncodedCG);
62 #elif defined(SK_BUILD_FOR_WIN)
63 SkGraphics::SetImageGeneratorFromEncodedDataFactory(SkImageGeneratorWIC::MakeFromEncodedWIC);
64 #endif
65
66 SkGraphics::SetImageGeneratorFromEncodedDataFactory(prev);
67 }
68
69 class MyImageGenerator : public SkImageGenerator {
70 public:
MyImageGenerator()71 MyImageGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(0, 0)) {}
72 };
73
DEF_TEST(ImageGenerator,reporter)74 DEF_TEST(ImageGenerator, reporter) {
75 MyImageGenerator ig;
76 SkYUVAPixmapInfo yuvaPixmapInfo;
77
78 // Check that the YUV decoding API does not cause any crashes
79 ig.queryYUVAInfo(SkYUVAPixmapInfo::SupportedDataTypes::All(), &yuvaPixmapInfo);
80 SkYUVAInfo yuvaInfo({250, 250},
81 SkYUVAInfo::PlaneConfig::kY_UV,
82 SkYUVAInfo::Subsampling::k420,
83 kJPEG_Full_SkYUVColorSpace);
84 yuvaPixmapInfo = SkYUVAPixmapInfo(yuvaInfo,
85 SkYUVAPixmapInfo::DataType::kUnorm8,
86 /*rowBytes[]*/ nullptr);
87 SkYUVAPixmaps yuvaPixmaps = SkYUVAPixmaps::Allocate(yuvaPixmapInfo);
88 ig.getYUVAPlanes(yuvaPixmaps);
89
90 // Suppressed due to https://code.google.com/p/skia/issues/detail?id=4339
91 if ((false)) {
92 test_imagegenerator_factory(reporter);
93 }
94 }
95
make_picture()96 static sk_sp<SkPicture> make_picture() {
97 SkPictureRecorder recorder;
98 recorder.beginRecording(100, 100)->drawColor(SK_ColorRED);
99 return recorder.finishRecordingAsPicture();
100 }
101
DEF_TEST(PictureImageGenerator,reporter)102 DEF_TEST(PictureImageGenerator, reporter) {
103 const struct {
104 SkColorType fColorType;
105 SkAlphaType fAlphaType;
106 } recs[] = {
107 { kRGBA_8888_SkColorType, kPremul_SkAlphaType },
108 { kBGRA_8888_SkColorType, kPremul_SkAlphaType },
109 { kRGBA_F16_SkColorType, kPremul_SkAlphaType },
110 { kRGBA_F32_SkColorType, kPremul_SkAlphaType },
111 { kRGBA_1010102_SkColorType, kPremul_SkAlphaType },
112
113 { kRGBA_8888_SkColorType, kUnpremul_SkAlphaType },
114 { kBGRA_8888_SkColorType, kUnpremul_SkAlphaType },
115 { kRGBA_F16_SkColorType, kUnpremul_SkAlphaType },
116 { kRGBA_F32_SkColorType, kUnpremul_SkAlphaType },
117 { kRGBA_1010102_SkColorType, kUnpremul_SkAlphaType },
118 };
119
120 auto colorspace = SkColorSpace::MakeSRGB();
121 auto picture = make_picture();
122 auto gen = SkImageGenerator::MakeFromPicture({100, 100}, picture, nullptr, nullptr,
123 SkImage::BitDepth::kU8, colorspace);
124
125 // worst case for all requests
126 SkAutoMalloc storage(100 * 100 * SkColorTypeBytesPerPixel(kRGBA_F32_SkColorType));
127
128 for (const auto& rec : recs) {
129 SkImageInfo info = SkImageInfo::Make(100, 100, rec.fColorType, rec.fAlphaType, colorspace);
130 REPORTER_ASSERT(reporter, gen->getPixels(info, storage.get(), info.minRowBytes()));
131 }
132 }
133
134