1 /* This Source Code Form is subject to the terms of the Mozilla Public
2  * License, v. 2.0. If a copy of the MPL was not distributed with this
3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4 
5 #include "gtest/gtest.h"
6 
7 #include "Common.h"
8 #include "imgIContainer.h"
9 #include "ImageOps.h"
10 #include "mozilla/gfx/2D.h"
11 #include "nsComponentManagerUtils.h"
12 #include "nsCOMPtr.h"
13 #include "nsIInputStream.h"
14 #include "nsIRunnable.h"
15 #include "nsIThread.h"
16 #include "mozilla/RefPtr.h"
17 #include "nsString.h"
18 #include "nsThreadUtils.h"
19 
20 using namespace mozilla;
21 using namespace mozilla::gfx;
22 using namespace mozilla::image;
23 
24 class DecodeToSurfaceRunnable : public Runnable {
25  public:
DecodeToSurfaceRunnable(RefPtr<SourceSurface> & aSurface,nsIInputStream * aInputStream,ImageOps::ImageBuffer * aImageBuffer,const ImageTestCase & aTestCase)26   DecodeToSurfaceRunnable(RefPtr<SourceSurface>& aSurface,
27                           nsIInputStream* aInputStream,
28                           ImageOps::ImageBuffer* aImageBuffer,
29                           const ImageTestCase& aTestCase)
30       : mozilla::Runnable("DecodeToSurfaceRunnable"),
31         mSurface(aSurface),
32         mInputStream(aInputStream),
33         mImageBuffer(aImageBuffer),
34         mTestCase(aTestCase) {}
35 
Run()36   NS_IMETHOD Run() override {
37     Go();
38     return NS_OK;
39   }
40 
Go()41   void Go() {
42     Maybe<IntSize> outputSize;
43     if (mTestCase.mOutputSize != mTestCase.mSize) {
44       outputSize.emplace(mTestCase.mOutputSize);
45     }
46 
47     uint32_t flags = FromSurfaceFlags(mTestCase.mSurfaceFlags);
48 
49     if (mImageBuffer) {
50       mSurface = ImageOps::DecodeToSurface(
51           mImageBuffer, nsDependentCString(mTestCase.mMimeType), flags,
52           outputSize);
53     } else {
54       mSurface = ImageOps::DecodeToSurface(
55           mInputStream.forget(), nsDependentCString(mTestCase.mMimeType), flags,
56           outputSize);
57     }
58     ASSERT_TRUE(mSurface != nullptr);
59 
60     EXPECT_TRUE(mSurface->IsDataSourceSurface());
61     EXPECT_TRUE(mSurface->GetFormat() == SurfaceFormat::OS_RGBX ||
62                 mSurface->GetFormat() == SurfaceFormat::OS_RGBA);
63 
64     if (outputSize) {
65       EXPECT_EQ(*outputSize, mSurface->GetSize());
66     } else {
67       EXPECT_EQ(mTestCase.mSize, mSurface->GetSize());
68     }
69 
70     EXPECT_TRUE(IsSolidColor(mSurface, mTestCase.Color(), mTestCase.Fuzz()));
71   }
72 
73  private:
74   RefPtr<SourceSurface>& mSurface;
75   nsCOMPtr<nsIInputStream> mInputStream;
76   RefPtr<ImageOps::ImageBuffer> mImageBuffer;
77   ImageTestCase mTestCase;
78 };
79 
RunDecodeToSurface(const ImageTestCase & aTestCase,ImageOps::ImageBuffer * aImageBuffer=nullptr)80 static void RunDecodeToSurface(const ImageTestCase& aTestCase,
81                                ImageOps::ImageBuffer* aImageBuffer = nullptr) {
82   nsCOMPtr<nsIInputStream> inputStream;
83   if (!aImageBuffer) {
84     inputStream = LoadFile(aTestCase.mPath);
85     ASSERT_TRUE(inputStream != nullptr);
86   }
87 
88   nsCOMPtr<nsIThread> thread;
89   nsresult rv =
90       NS_NewNamedThread("DecodeToSurface", getter_AddRefs(thread), nullptr);
91   ASSERT_TRUE(NS_SUCCEEDED(rv));
92 
93   // We run the DecodeToSurface tests off-main-thread to ensure that
94   // DecodeToSurface doesn't require any main-thread-only code.
95   RefPtr<SourceSurface> surface;
96   nsCOMPtr<nsIRunnable> runnable = new DecodeToSurfaceRunnable(
97       surface, inputStream, aImageBuffer, aTestCase);
98   thread->Dispatch(runnable, nsIThread::DISPATCH_SYNC);
99 
100   thread->Shutdown();
101 
102   // Explicitly release the SourceSurface on the main thread.
103   surface = nullptr;
104 }
105 
106 class ImageDecodeToSurface : public ::testing::Test {
107  protected:
108   AutoInitializeImageLib mInit;
109 };
110 
TEST_F(ImageDecodeToSurface,PNG)111 TEST_F(ImageDecodeToSurface, PNG) { RunDecodeToSurface(GreenPNGTestCase()); }
TEST_F(ImageDecodeToSurface,GIF)112 TEST_F(ImageDecodeToSurface, GIF) { RunDecodeToSurface(GreenGIFTestCase()); }
TEST_F(ImageDecodeToSurface,JPG)113 TEST_F(ImageDecodeToSurface, JPG) { RunDecodeToSurface(GreenJPGTestCase()); }
TEST_F(ImageDecodeToSurface,BMP)114 TEST_F(ImageDecodeToSurface, BMP) { RunDecodeToSurface(GreenBMPTestCase()); }
TEST_F(ImageDecodeToSurface,ICO)115 TEST_F(ImageDecodeToSurface, ICO) { RunDecodeToSurface(GreenICOTestCase()); }
TEST_F(ImageDecodeToSurface,Icon)116 TEST_F(ImageDecodeToSurface, Icon) { RunDecodeToSurface(GreenIconTestCase()); }
TEST_F(ImageDecodeToSurface,WebP)117 TEST_F(ImageDecodeToSurface, WebP) { RunDecodeToSurface(GreenWebPTestCase()); }
118 
TEST_F(ImageDecodeToSurface,AnimatedGIF)119 TEST_F(ImageDecodeToSurface, AnimatedGIF) {
120   RunDecodeToSurface(GreenFirstFrameAnimatedGIFTestCase());
121 }
122 
TEST_F(ImageDecodeToSurface,AnimatedPNG)123 TEST_F(ImageDecodeToSurface, AnimatedPNG) {
124   RunDecodeToSurface(GreenFirstFrameAnimatedPNGTestCase());
125 }
126 
TEST_F(ImageDecodeToSurface,Corrupt)127 TEST_F(ImageDecodeToSurface, Corrupt) {
128   ImageTestCase testCase = CorruptTestCase();
129 
130   nsCOMPtr<nsIInputStream> inputStream = LoadFile(testCase.mPath);
131   ASSERT_TRUE(inputStream != nullptr);
132 
133   RefPtr<SourceSurface> surface = ImageOps::DecodeToSurface(
134       inputStream.forget(), nsDependentCString(testCase.mMimeType),
135       imgIContainer::DECODE_FLAGS_DEFAULT);
136   EXPECT_TRUE(surface == nullptr);
137 }
138 
TEST_F(ImageDecodeToSurface,ICOMultipleSizes)139 TEST_F(ImageDecodeToSurface, ICOMultipleSizes) {
140   ImageTestCase testCase = GreenMultipleSizesICOTestCase();
141 
142   nsCOMPtr<nsIInputStream> inputStream = LoadFile(testCase.mPath);
143   ASSERT_TRUE(inputStream != nullptr);
144 
145   RefPtr<ImageOps::ImageBuffer> buffer =
146       ImageOps::CreateImageBuffer(inputStream.forget());
147   ASSERT_TRUE(buffer != nullptr);
148 
149   ImageMetadata metadata;
150   nsresult rv = ImageOps::DecodeMetadata(
151       buffer, nsDependentCString(testCase.mMimeType), metadata);
152   EXPECT_TRUE(NS_SUCCEEDED(rv));
153   ASSERT_TRUE(metadata.HasSize());
154   EXPECT_EQ(testCase.mSize, metadata.GetSize().ToUnknownSize());
155 
156   const nsTArray<OrientedIntSize>& nativeSizes = metadata.GetNativeSizes();
157   ASSERT_EQ(6u, nativeSizes.Length());
158 
159   OrientedIntSize expectedSizes[] = {
160       OrientedIntSize(16, 16),   OrientedIntSize(32, 32),
161       OrientedIntSize(64, 64),   OrientedIntSize(128, 128),
162       OrientedIntSize(256, 256), OrientedIntSize(256, 128),
163   };
164 
165   for (int i = 0; i < 6; ++i) {
166     EXPECT_EQ(expectedSizes[i], nativeSizes[i]);
167 
168     // Request decoding at native size
169     testCase.mOutputSize = nativeSizes[i].ToUnknownSize();
170     RunDecodeToSurface(testCase, buffer);
171   }
172 }
173