1 /*
2  * Copyright 2013 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 "SkCodec.h"
9 #include "Resources.h"
10 #include "SkStream.h"
11 #include "SkTemplates.h"
12 #include "Test.h"
13 
resource(const char path[])14 static SkStreamAsset* resource(const char path[]) {
15     SkString fullPath = GetResourcePath(path);
16     return SkStream::NewFromFile(fullPath.c_str());
17 }
18 
codec_yuv(skiatest::Reporter * reporter,const char path[],SkISize expectedSizes[3])19 static void codec_yuv(skiatest::Reporter* reporter,
20                   const char path[],
21                   SkISize expectedSizes[3]) {
22     SkAutoTDelete<SkStream> stream(resource(path));
23     if (!stream) {
24         INFOF(reporter, "Missing resource '%s'\n", path);
25         return;
26     }
27     SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.detach()));
28     REPORTER_ASSERT(reporter, codec);
29     if (!codec) {
30         return;
31     }
32 
33     // Test queryYUV8()
34     SkCodec::YUVSizeInfo info;
35     bool success = codec->queryYUV8(nullptr, nullptr);
36     REPORTER_ASSERT(reporter, !success);
37     success = codec->queryYUV8(&info, nullptr);
38     REPORTER_ASSERT(reporter, (expectedSizes == nullptr) == !success);
39     if (!success) {
40         return;
41     }
42     REPORTER_ASSERT(reporter,
43             0 == memcmp((const void*) &info, (const void*) expectedSizes, 3 * sizeof(SkISize)));
44     REPORTER_ASSERT(reporter, info.fYWidthBytes == (uint32_t) SkAlign8(info.fYSize.width()));
45     REPORTER_ASSERT(reporter, info.fUWidthBytes == (uint32_t) SkAlign8(info.fUSize.width()));
46     REPORTER_ASSERT(reporter, info.fVWidthBytes == (uint32_t) SkAlign8(info.fVSize.width()));
47     SkYUVColorSpace colorSpace;
48     success = codec->queryYUV8(&info, &colorSpace);
49     REPORTER_ASSERT(reporter,
50             0 == memcmp((const void*) &info, (const void*) expectedSizes, 3 * sizeof(SkISize)));
51     REPORTER_ASSERT(reporter, info.fYWidthBytes == (uint32_t) SkAlign8(info.fYSize.width()));
52     REPORTER_ASSERT(reporter, info.fUWidthBytes == (uint32_t) SkAlign8(info.fUSize.width()));
53     REPORTER_ASSERT(reporter, info.fVWidthBytes == (uint32_t) SkAlign8(info.fVSize.width()));
54     REPORTER_ASSERT(reporter, kJPEG_SkYUVColorSpace == colorSpace);
55 
56     // Allocate the memory for the YUV decode
57     size_t totalBytes = info.fYWidthBytes * info.fYSize.height() +
58             info.fUWidthBytes * info.fUSize.height() +
59             info.fVWidthBytes * info.fVSize.height();
60     SkAutoMalloc storage(totalBytes);
61     void* planes[3];
62     planes[0] = storage.get();
63     planes[1] = SkTAddOffset<void>(planes[0], info.fYWidthBytes * info.fYSize.height());
64     planes[2] = SkTAddOffset<void>(planes[1], info.fUWidthBytes * info.fUSize.height());
65 
66     // Test getYUV8Planes()
67     REPORTER_ASSERT(reporter, SkCodec::kInvalidInput ==
68             codec->getYUV8Planes(info, nullptr));
69     REPORTER_ASSERT(reporter, SkCodec::kSuccess ==
70             codec->getYUV8Planes(info, planes));
71 }
72 
DEF_TEST(Jpeg_YUV_Codec,r)73 DEF_TEST(Jpeg_YUV_Codec, r) {
74     SkISize sizes[3];
75 
76     sizes[0].set(128, 128);
77     sizes[1].set(64, 64);
78     sizes[2].set(64, 64);
79     codec_yuv(r, "color_wheel.jpg", sizes);
80 
81     // H2V2
82     sizes[0].set(512, 512);
83     sizes[1].set(256, 256);
84     sizes[2].set(256, 256);
85     codec_yuv(r, "mandrill_512_q075.jpg", sizes);
86 
87     // H1V1
88     sizes[1].set(512, 512);
89     sizes[2].set(512, 512);
90     codec_yuv(r, "mandrill_h1v1.jpg", sizes);
91 
92     // H2V1
93     sizes[1].set(256, 512);
94     sizes[2].set(256, 512);
95     codec_yuv(r, "mandrill_h2v1.jpg", sizes);
96 
97     // Non-power of two dimensions
98     sizes[0].set(439, 154);
99     sizes[1].set(220, 77);
100     sizes[2].set(220, 77);
101     codec_yuv(r, "cropped_mandrill.jpg", sizes);
102 
103     sizes[0].set(8, 8);
104     sizes[1].set(4, 4);
105     sizes[2].set(4, 4);
106     codec_yuv(r, "randPixels.jpg", sizes);
107 
108     // Progressive images
109     sizes[0].set(512, 512);
110     sizes[1].set(512, 512);
111     sizes[2].set(512, 512);
112     codec_yuv(r, "brickwork-texture.jpg", sizes);
113     codec_yuv(r, "brickwork_normal-map.jpg", sizes);
114 
115     // A CMYK encoded image should fail.
116     codec_yuv(r, "CMYK.jpg", nullptr);
117     // A grayscale encoded image should fail.
118     codec_yuv(r, "grayscale.jpg", nullptr);
119     // A PNG should fail.
120     codec_yuv(r, "arrow.png", nullptr);
121 }
122