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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "Resources.h" | 8 #include "Resources.h" |
9 #include "SkCodec.h" | 9 #include "SkCodec.h" |
10 #include "SkColorSpace.h" | 10 #include "SkColorSpace.h" |
11 #include "Test.h" | 11 #include "Test.h" |
12 | 12 |
13 #include "png.h" | 13 #include "png.h" |
14 | 14 |
15 static SkStreamAsset* resource(const char path[]) { | 15 static SkStreamAsset* resource(const char path[]) { |
16 SkString fullPath = GetResourcePath(path); | 16 SkString fullPath = GetResourcePath(path); |
17 return SkStream::NewFromFile(fullPath.c_str()); | 17 return SkStream::NewFromFile(fullPath.c_str()); |
18 } | 18 } |
19 | 19 |
20 #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_M
INOR >= 6) | 20 #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_M
INOR >= 6) |
21 static bool almost_equal(float a, float b) { | 21 static bool almost_equal(float a, float b) { |
22 return SkTAbs(a - b) < 0.0001f; | 22 return SkTAbs(a - b) < 0.0001f; |
23 } | 23 } |
24 #endif | 24 #endif |
25 | 25 |
26 DEF_TEST(ColorSpaceParseICCProfile, r) { | 26 DEF_TEST(ColorSpaceParseICCProfile, r) { |
27 SkAutoTDelete<SkStream> stream(resource("color_wheel_with_profile.png")); | 27 SkAutoTDelete<SkStream> stream(resource("color_wheel_with_profile.png")); |
28 REPORTER_ASSERT(r, nullptr != stream); | 28 REPORTER_ASSERT(r, nullptr != stream); |
29 | 29 |
30 SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.detach())); | 30 SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.release())); |
31 REPORTER_ASSERT(r, nullptr != codec); | 31 REPORTER_ASSERT(r, nullptr != codec); |
32 | 32 |
33 #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_M
INOR >= 6) | 33 #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_M
INOR >= 6) |
34 SkColorSpace* colorSpace = codec->getColorSpace(); | 34 SkColorSpace* colorSpace = codec->getColorSpace(); |
35 REPORTER_ASSERT(r, nullptr != colorSpace); | 35 REPORTER_ASSERT(r, nullptr != colorSpace); |
36 | 36 |
37 // No need to use almost equal here. The color profile that we have extract
ed | 37 // No need to use almost equal here. The color profile that we have extract
ed |
38 // actually has a table of gammas. And our current implementation guesses 2
.2f. | 38 // actually has a table of gammas. And our current implementation guesses 2
.2f. |
39 SkFloat3 gammas = colorSpace->gamma(); | 39 SkFloat3 gammas = colorSpace->gamma(); |
40 REPORTER_ASSERT(r, 2.2f == gammas.fVec[0]); | 40 REPORTER_ASSERT(r, 2.2f == gammas.fVec[0]); |
41 REPORTER_ASSERT(r, 2.2f == gammas.fVec[1]); | 41 REPORTER_ASSERT(r, 2.2f == gammas.fVec[1]); |
42 REPORTER_ASSERT(r, 2.2f == gammas.fVec[2]); | 42 REPORTER_ASSERT(r, 2.2f == gammas.fVec[2]); |
43 | 43 |
44 // These nine values were extracted from the color profile in isolation (bef
ore | 44 // These nine values were extracted from the color profile in isolation (bef
ore |
45 // we embedded it in the png). Here we check that we still extract the same
values. | 45 // we embedded it in the png). Here we check that we still extract the same
values. |
46 SkFloat3x3 xyz = colorSpace->xyz(); | 46 SkFloat3x3 xyz = colorSpace->xyz(); |
47 REPORTER_ASSERT(r, almost_equal(0.436066f, xyz.fMat[0])); | 47 REPORTER_ASSERT(r, almost_equal(0.436066f, xyz.fMat[0])); |
48 REPORTER_ASSERT(r, almost_equal(0.222488f, xyz.fMat[1])); | 48 REPORTER_ASSERT(r, almost_equal(0.222488f, xyz.fMat[1])); |
49 REPORTER_ASSERT(r, almost_equal(0.013916f, xyz.fMat[2])); | 49 REPORTER_ASSERT(r, almost_equal(0.013916f, xyz.fMat[2])); |
50 REPORTER_ASSERT(r, almost_equal(0.385147f, xyz.fMat[3])); | 50 REPORTER_ASSERT(r, almost_equal(0.385147f, xyz.fMat[3])); |
51 REPORTER_ASSERT(r, almost_equal(0.716873f, xyz.fMat[4])); | 51 REPORTER_ASSERT(r, almost_equal(0.716873f, xyz.fMat[4])); |
52 REPORTER_ASSERT(r, almost_equal(0.0970764f, xyz.fMat[5])); | 52 REPORTER_ASSERT(r, almost_equal(0.0970764f, xyz.fMat[5])); |
53 REPORTER_ASSERT(r, almost_equal(0.143066f, xyz.fMat[6])); | 53 REPORTER_ASSERT(r, almost_equal(0.143066f, xyz.fMat[6])); |
54 REPORTER_ASSERT(r, almost_equal(0.0606079f, xyz.fMat[7])); | 54 REPORTER_ASSERT(r, almost_equal(0.0606079f, xyz.fMat[7])); |
55 REPORTER_ASSERT(r, almost_equal(0.714096f, xyz.fMat[8])); | 55 REPORTER_ASSERT(r, almost_equal(0.714096f, xyz.fMat[8])); |
56 #endif | 56 #endif |
57 } | 57 } |
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