msarett | 6a73821 | 2016-03-04 13:27:35 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 "Resources.h" |
| 9 | #include "SkCodec.h" |
| 10 | #include "SkColorSpace.h" |
msarett | 8cc2091 | 2016-05-23 09:29:29 -0700 | [diff] [blame] | 11 | #include "SkColorSpace_Base.h" |
msarett | 6a73821 | 2016-03-04 13:27:35 -0800 | [diff] [blame] | 12 | #include "Test.h" |
| 13 | |
msarett | 53add95 | 2016-03-07 17:25:12 -0800 | [diff] [blame] | 14 | #include "png.h" |
| 15 | |
reed | 50d3b57 | 2016-05-03 12:13:21 -0700 | [diff] [blame] | 16 | static bool almost_equal(float a, float b) { |
| 17 | return SkTAbs(a - b) < 0.001f; |
| 18 | } |
| 19 | |
| 20 | static void test_space(skiatest::Reporter* r, SkColorSpace* space, |
| 21 | const float red[], const float green[], const float blue[], |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 22 | const SkColorSpace::GammaNamed expectedGamma) { |
msarett | bb9f774 | 2016-05-17 09:31:20 -0700 | [diff] [blame] | 23 | |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 24 | REPORTER_ASSERT(r, expectedGamma == space->gammaNamed()); |
msarett | bb9f774 | 2016-05-17 09:31:20 -0700 | [diff] [blame] | 25 | |
reed | 50d3b57 | 2016-05-03 12:13:21 -0700 | [diff] [blame] | 26 | |
| 27 | SkMatrix44 mat = space->xyz(); |
| 28 | const float src[] = { |
| 29 | 1, 0, 0, 1, |
| 30 | 0, 1, 0, 1, |
| 31 | 0, 0, 1, 1, |
| 32 | }; |
| 33 | float dst[4]; |
| 34 | for (int i = 0; i < 3; ++i) { |
| 35 | mat.mapScalars(&src[i*4], dst); |
| 36 | REPORTER_ASSERT(r, almost_equal(red[i], dst[0])); |
| 37 | REPORTER_ASSERT(r, almost_equal(green[i], dst[1])); |
| 38 | REPORTER_ASSERT(r, almost_equal(blue[i], dst[2])); |
| 39 | } |
| 40 | } |
| 41 | |
msarett | 02125d1 | 2016-05-03 14:24:47 -0700 | [diff] [blame] | 42 | const float g_sRGB_XYZ[] = { 0.4358f, 0.2224f, 0.0139f, // R |
| 43 | 0.3853f, 0.7170f, 0.0971f, // G |
| 44 | 0.1430f, 0.0606f, 0.7139f }; // B |
| 45 | |
reed | 50d3b57 | 2016-05-03 12:13:21 -0700 | [diff] [blame] | 46 | DEF_TEST(ColorSpace_sRGB, r) { |
reed | 50d3b57 | 2016-05-03 12:13:21 -0700 | [diff] [blame] | 47 | test_space(r, SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named).get(), |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 48 | g_sRGB_XYZ, &g_sRGB_XYZ[3], &g_sRGB_XYZ[6], SkColorSpace::kSRGB_GammaNamed); |
reed | 50d3b57 | 2016-05-03 12:13:21 -0700 | [diff] [blame] | 49 | |
| 50 | } |
| 51 | |
msarett | 6a73821 | 2016-03-04 13:27:35 -0800 | [diff] [blame] | 52 | static SkStreamAsset* resource(const char path[]) { |
| 53 | SkString fullPath = GetResourcePath(path); |
| 54 | return SkStream::NewFromFile(fullPath.c_str()); |
| 55 | } |
| 56 | |
msarett | 0e6274f | 2016-03-21 08:04:40 -0700 | [diff] [blame] | 57 | DEF_TEST(ColorSpaceParsePngICCProfile, r) { |
msarett | 6a73821 | 2016-03-04 13:27:35 -0800 | [diff] [blame] | 58 | SkAutoTDelete<SkStream> stream(resource("color_wheel_with_profile.png")); |
| 59 | REPORTER_ASSERT(r, nullptr != stream); |
Brian Salomon | 92271fc | 2016-03-25 21:38:09 -0400 | [diff] [blame] | 60 | if (!stream) { |
| 61 | return; |
| 62 | } |
msarett | 6a73821 | 2016-03-04 13:27:35 -0800 | [diff] [blame] | 63 | |
mtklein | 18300a3 | 2016-03-16 13:53:35 -0700 | [diff] [blame] | 64 | SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.release())); |
scroggo | d8d6855 | 2016-06-06 11:26:17 -0700 | [diff] [blame] | 65 | REPORTER_ASSERT(r, nullptr != codec); |
msarett | 6a73821 | 2016-03-04 13:27:35 -0800 | [diff] [blame] | 66 | |
msarett | 53add95 | 2016-03-07 17:25:12 -0800 | [diff] [blame] | 67 | #if (PNG_LIBPNG_VER_MAJOR > 1) || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 6) |
msarett | 6a73821 | 2016-03-04 13:27:35 -0800 | [diff] [blame] | 68 | SkColorSpace* colorSpace = codec->getColorSpace(); |
| 69 | REPORTER_ASSERT(r, nullptr != colorSpace); |
| 70 | |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 71 | test_space(r, colorSpace, &g_sRGB_XYZ[0], &g_sRGB_XYZ[3], &g_sRGB_XYZ[6], |
| 72 | SkColorSpace::kSRGB_GammaNamed); |
msarett | 53add95 | 2016-03-07 17:25:12 -0800 | [diff] [blame] | 73 | #endif |
msarett | 6a73821 | 2016-03-04 13:27:35 -0800 | [diff] [blame] | 74 | } |
msarett | 0e6274f | 2016-03-21 08:04:40 -0700 | [diff] [blame] | 75 | |
| 76 | DEF_TEST(ColorSpaceParseJpegICCProfile, r) { |
| 77 | SkAutoTDelete<SkStream> stream(resource("icc-v2-gbr.jpg")); |
| 78 | REPORTER_ASSERT(r, nullptr != stream); |
Brian Salomon | d2100f2 | 2016-03-25 17:02:20 -0400 | [diff] [blame] | 79 | if (!stream) { |
| 80 | return; |
| 81 | } |
msarett | 0e6274f | 2016-03-21 08:04:40 -0700 | [diff] [blame] | 82 | |
| 83 | SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.release())); |
| 84 | REPORTER_ASSERT(r, nullptr != codec); |
Brian Salomon | d2100f2 | 2016-03-25 17:02:20 -0400 | [diff] [blame] | 85 | if (!codec) { |
| 86 | return; |
| 87 | } |
msarett | 0e6274f | 2016-03-21 08:04:40 -0700 | [diff] [blame] | 88 | |
| 89 | SkColorSpace* colorSpace = codec->getColorSpace(); |
| 90 | REPORTER_ASSERT(r, nullptr != colorSpace); |
| 91 | |
reed | 50d3b57 | 2016-05-03 12:13:21 -0700 | [diff] [blame] | 92 | const float red[] = { 0.385117f, 0.716904f, 0.0970612f }; |
| 93 | const float green[] = { 0.143051f, 0.0606079f, 0.713913f }; |
| 94 | const float blue[] = { 0.436035f, 0.222488f, 0.013916f }; |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 95 | test_space(r, colorSpace, red, green, blue, SkColorSpace::k2Dot2Curve_GammaNamed); |
msarett | 0e6274f | 2016-03-21 08:04:40 -0700 | [diff] [blame] | 96 | } |
msarett | 02125d1 | 2016-05-03 14:24:47 -0700 | [diff] [blame] | 97 | |
| 98 | DEF_TEST(ColorSpaceSRGBCompare, r) { |
| 99 | // Create an sRGB color space by name |
| 100 | sk_sp<SkColorSpace> namedColorSpace = SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named); |
| 101 | |
| 102 | // Create an sRGB color space by value |
| 103 | SkMatrix44 srgbToxyzD50(SkMatrix44::kUninitialized_Constructor); |
msarett | c1a3e24 | 2016-06-23 12:42:29 -0700 | [diff] [blame] | 104 | srgbToxyzD50.set3x3RowMajorf(g_sRGB_XYZ); |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 105 | sk_sp<SkColorSpace> rgbColorSpace = SkColorSpace::NewRGB(SkColorSpace::kSRGB_GammaNamed, |
| 106 | srgbToxyzD50); |
msarett | ab926f0 | 2016-05-25 08:53:40 -0700 | [diff] [blame] | 107 | REPORTER_ASSERT(r, rgbColorSpace == namedColorSpace); |
msarett | 02125d1 | 2016-05-03 14:24:47 -0700 | [diff] [blame] | 108 | |
| 109 | // Change a single value from the sRGB matrix |
| 110 | srgbToxyzD50.set(2, 2, 0.5f); |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 111 | sk_sp<SkColorSpace> strangeColorSpace = SkColorSpace::NewRGB(SkColorSpace::kSRGB_GammaNamed, |
| 112 | srgbToxyzD50); |
msarett | 02125d1 | 2016-05-03 14:24:47 -0700 | [diff] [blame] | 113 | REPORTER_ASSERT(r, strangeColorSpace != namedColorSpace); |
| 114 | } |
msarett | ab926f0 | 2016-05-25 08:53:40 -0700 | [diff] [blame] | 115 | |
| 116 | DEF_TEST(ColorSpaceWriteICC, r) { |
| 117 | // Test writing a new ICC profile |
| 118 | sk_sp<SkColorSpace> namedColorSpace = SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named); |
| 119 | sk_sp<SkData> namedData = as_CSB(namedColorSpace)->writeToICC(); |
| 120 | sk_sp<SkColorSpace> iccColorSpace = SkColorSpace::NewICC(namedData->data(), namedData->size()); |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 121 | test_space(r, iccColorSpace.get(), g_sRGB_XYZ, &g_sRGB_XYZ[3], &g_sRGB_XYZ[6], |
| 122 | SkColorSpace::k2Dot2Curve_GammaNamed); |
| 123 | // FIXME (msarett): Test disabled. sRGB profiles are written approximately as 2.2f curves. |
| 124 | // REPORTER_ASSERT(r, iccColorSpace == namedColorSpace); |
msarett | ab926f0 | 2016-05-25 08:53:40 -0700 | [diff] [blame] | 125 | |
| 126 | // Test saving the original ICC data |
| 127 | sk_sp<SkData> monitorData = SkData::MakeFromFileName( |
| 128 | GetResourcePath("monitor_profiles/HP_ZR30w.icc").c_str()); |
| 129 | REPORTER_ASSERT(r, monitorData); |
| 130 | if (!monitorData) { |
| 131 | return; |
| 132 | } |
| 133 | sk_sp<SkColorSpace> monitorSpace = SkColorSpace::NewICC(monitorData->data(), |
| 134 | monitorData->size()); |
| 135 | sk_sp<SkData> newMonitorData = as_CSB(monitorSpace)->writeToICC(); |
| 136 | sk_sp<SkColorSpace> newMonitorSpace = SkColorSpace::NewICC(newMonitorData->data(), |
| 137 | newMonitorData->size()); |
| 138 | REPORTER_ASSERT(r, monitorSpace->xyz() == newMonitorSpace->xyz()); |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 139 | REPORTER_ASSERT(r, monitorSpace->gammaNamed() == newMonitorSpace->gammaNamed()); |
msarett | ab926f0 | 2016-05-25 08:53:40 -0700 | [diff] [blame] | 140 | } |
reed | fbce71f | 2016-06-02 12:40:22 -0700 | [diff] [blame] | 141 | |
| 142 | DEF_TEST(ColorSpace_Named, r) { |
| 143 | const struct { |
| 144 | SkColorSpace::Named fNamed; |
| 145 | bool fExpectedToSucceed; |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 146 | bool fIsSRGB; |
reed | fbce71f | 2016-06-02 12:40:22 -0700 | [diff] [blame] | 147 | } recs[] { |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 148 | { SkColorSpace::kUnknown_Named, false, false }, |
| 149 | { SkColorSpace::kSRGB_Named, true, true }, |
| 150 | { SkColorSpace::kAdobeRGB_Named, true, false }, |
reed | fbce71f | 2016-06-02 12:40:22 -0700 | [diff] [blame] | 151 | }; |
| 152 | |
| 153 | for (auto rec : recs) { |
| 154 | auto cs = SkColorSpace::NewNamed(rec.fNamed); |
| 155 | REPORTER_ASSERT(r, !cs == !rec.fExpectedToSucceed); |
| 156 | if (cs) { |
msarett | c4ce6b5 | 2016-06-16 07:37:41 -0700 | [diff] [blame] | 157 | if (rec.fIsSRGB) { |
| 158 | REPORTER_ASSERT(r, SkColorSpace::kSRGB_GammaNamed == cs->gammaNamed()); |
| 159 | } else { |
| 160 | REPORTER_ASSERT(r, SkColorSpace::k2Dot2Curve_GammaNamed == cs->gammaNamed()); |
| 161 | } |
reed | fbce71f | 2016-06-02 12:40:22 -0700 | [diff] [blame] | 162 | } |
| 163 | } |
| 164 | |
| 165 | SkImageInfo info = SkImageInfo::MakeS32(10, 10, kPremul_SkAlphaType); |
reed | dabe5d3 | 2016-06-21 10:28:14 -0700 | [diff] [blame] | 166 | REPORTER_ASSERT(r, info.gammaCloseToSRGB()); |
reed | fbce71f | 2016-06-02 12:40:22 -0700 | [diff] [blame] | 167 | } |
msarett | 111a42d | 2016-06-22 08:18:54 -0700 | [diff] [blame] | 168 | |
| 169 | static void test_serialize(skiatest::Reporter* r, SkColorSpace* space, bool isNamed) { |
| 170 | sk_sp<SkData> data = space->serialize(); |
| 171 | sk_sp<SkColorSpace> newSpace = SkColorSpace::Deserialize(data->data(), data->size()); |
| 172 | |
| 173 | if (isNamed) { |
| 174 | REPORTER_ASSERT(r, space == newSpace.get()); |
| 175 | } else { |
| 176 | REPORTER_ASSERT(r, space->gammaNamed() == newSpace->gammaNamed()); |
| 177 | |
| 178 | REPORTER_ASSERT(r, space->xyz().getFloat(0, 0) == newSpace->xyz().getFloat(0, 0)); |
| 179 | REPORTER_ASSERT(r, space->xyz().getFloat(0, 1) == newSpace->xyz().getFloat(0, 1)); |
| 180 | REPORTER_ASSERT(r, space->xyz().getFloat(0, 2) == newSpace->xyz().getFloat(0, 2)); |
| 181 | REPORTER_ASSERT(r, space->xyz().getFloat(0, 3) == newSpace->xyz().getFloat(0, 3)); |
| 182 | REPORTER_ASSERT(r, space->xyz().getFloat(1, 0) == newSpace->xyz().getFloat(1, 0)); |
| 183 | REPORTER_ASSERT(r, space->xyz().getFloat(1, 1) == newSpace->xyz().getFloat(1, 1)); |
| 184 | REPORTER_ASSERT(r, space->xyz().getFloat(1, 2) == newSpace->xyz().getFloat(1, 2)); |
| 185 | REPORTER_ASSERT(r, space->xyz().getFloat(1, 3) == newSpace->xyz().getFloat(1, 3)); |
| 186 | REPORTER_ASSERT(r, space->xyz().getFloat(2, 0) == newSpace->xyz().getFloat(2, 0)); |
| 187 | REPORTER_ASSERT(r, space->xyz().getFloat(2, 1) == newSpace->xyz().getFloat(2, 1)); |
| 188 | REPORTER_ASSERT(r, space->xyz().getFloat(2, 2) == newSpace->xyz().getFloat(2, 2)); |
| 189 | REPORTER_ASSERT(r, space->xyz().getFloat(2, 3) == newSpace->xyz().getFloat(2, 3)); |
| 190 | REPORTER_ASSERT(r, space->xyz().getFloat(3, 0) == newSpace->xyz().getFloat(3, 0)); |
| 191 | REPORTER_ASSERT(r, space->xyz().getFloat(3, 1) == newSpace->xyz().getFloat(3, 1)); |
| 192 | REPORTER_ASSERT(r, space->xyz().getFloat(3, 2) == newSpace->xyz().getFloat(3, 2)); |
| 193 | REPORTER_ASSERT(r, space->xyz().getFloat(3, 3) == newSpace->xyz().getFloat(3, 3)); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | DEF_TEST(ColorSpace_Serialize, r) { |
| 198 | test_serialize(r, SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named).get(), true); |
| 199 | test_serialize(r, SkColorSpace::NewNamed(SkColorSpace::kAdobeRGB_Named).get(), true); |
| 200 | |
| 201 | sk_sp<SkData> monitorData = SkData::MakeFromFileName( |
| 202 | GetResourcePath("monitor_profiles/HP_ZR30w.icc").c_str()); |
| 203 | test_serialize(r, SkColorSpace::NewICC(monitorData->data(), monitorData->size()).get(), false); |
| 204 | } |
| 205 | |