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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/logging.h" | 5 #include "base/logging.h" |
6 #include "testing/gtest/include/gtest/gtest.h" | 6 #include "testing/gtest/include/gtest/gtest.h" |
7 #include "ui/gfx/color_space.h" | 7 #include "ui/gfx/color_space.h" |
8 #include "ui/gfx/color_transform.h" | 8 #include "ui/gfx/color_transform.h" |
9 #include "ui/gfx/icc_profile.h" | 9 #include "ui/gfx/icc_profile.h" |
10 #include "ui/gfx/test/icc_profiles.h" | 10 #include "ui/gfx/test/icc_profiles.h" |
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32 ColorSpace::TransferID::IEC61966_2_1, ColorSpace::TransferID::BT2020_10, | 32 ColorSpace::TransferID::IEC61966_2_1, ColorSpace::TransferID::BT2020_10, |
33 ColorSpace::TransferID::BT2020_12, ColorSpace::TransferID::SMPTEST2084, | 33 ColorSpace::TransferID::BT2020_12, ColorSpace::TransferID::SMPTEST2084, |
34 ColorSpace::TransferID::ARIB_STD_B67, | 34 ColorSpace::TransferID::ARIB_STD_B67, |
35 // This one is weird as the non-linear numbers are not between 0 and 1. | 35 // This one is weird as the non-linear numbers are not between 0 and 1. |
36 // TODO(hubbe): Test this separately. | 36 // TODO(hubbe): Test this separately. |
37 // ColorSpace::TransferID::SMPTEST428_1, | 37 // ColorSpace::TransferID::SMPTEST428_1, |
38 }; | 38 }; |
39 | 39 |
40 ColorSpace::MatrixID all_matrices[] = { | 40 ColorSpace::MatrixID all_matrices[] = { |
41 ColorSpace::MatrixID::RGB, ColorSpace::MatrixID::BT709, | 41 ColorSpace::MatrixID::RGB, ColorSpace::MatrixID::BT709, |
42 ColorSpace::MatrixID::UNSPECIFIED, ColorSpace::MatrixID::RESERVED, | |
43 ColorSpace::MatrixID::FCC, ColorSpace::MatrixID::BT470BG, | 42 ColorSpace::MatrixID::FCC, ColorSpace::MatrixID::BT470BG, |
44 ColorSpace::MatrixID::SMPTE170M, ColorSpace::MatrixID::SMPTE240M, | 43 ColorSpace::MatrixID::SMPTE170M, ColorSpace::MatrixID::SMPTE240M, |
45 | 44 |
46 // YCOCG produces lots of negative values which isn't compatible with many | 45 // YCOCG produces lots of negative values which isn't compatible with many |
47 // transfer functions. | 46 // transfer functions. |
48 // TODO(hubbe): Test this separately. | 47 // TODO(hubbe): Test this separately. |
49 // ColorSpace::MatrixID::YCOCG, | 48 // ColorSpace::MatrixID::YCOCG, |
50 ColorSpace::MatrixID::BT2020_NCL, ColorSpace::MatrixID::BT2020_CL, | 49 ColorSpace::MatrixID::BT2020_NCL, ColorSpace::MatrixID::BT2020_CL, |
51 ColorSpace::MatrixID::YDZDX, | 50 ColorSpace::MatrixID::YDZDX, |
52 }; | 51 }; |
53 | 52 |
54 ColorSpace::RangeID all_ranges[] = {ColorSpace::RangeID::UNSPECIFIED, | 53 ColorSpace::RangeID all_ranges[] = {ColorSpace::RangeID::FULL, |
55 ColorSpace::RangeID::FULL, | |
56 ColorSpace::RangeID::LIMITED, | 54 ColorSpace::RangeID::LIMITED, |
57 ColorSpace::RangeID::DERIVED}; | 55 ColorSpace::RangeID::DERIVED}; |
58 | 56 |
59 ColorTransform::Intent intents[] = {ColorTransform::Intent::INTENT_ABSOLUTE, | 57 ColorTransform::Intent intents[] = {ColorTransform::Intent::INTENT_ABSOLUTE, |
60 ColorTransform::Intent::TEST_NO_OPT}; | 58 ColorTransform::Intent::TEST_NO_OPT}; |
61 | 59 |
62 TEST(SimpleColorSpace, BT709toSRGB) { | 60 TEST(SimpleColorSpace, BT709toSRGB) { |
63 ColorSpace bt709 = ColorSpace::CreateREC709(); | 61 ColorSpace bt709 = ColorSpace::CreateREC709(); |
64 ColorSpace sRGB = ColorSpace::CreateSRGB(); | 62 ColorSpace sRGB = ColorSpace::CreateSRGB(); |
65 std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( | 63 std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( |
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187 EXPECT_NEAR(tmp.y(), 1.0f, kEpsilon); | 185 EXPECT_NEAR(tmp.y(), 1.0f, kEpsilon); |
188 EXPECT_NEAR(tmp.z(), 0.0f, kEpsilon); | 186 EXPECT_NEAR(tmp.z(), 0.0f, kEpsilon); |
189 | 187 |
190 tmp = ColorTransform::TriStim(0.0f, 0.0f, 1.0f); | 188 tmp = ColorTransform::TriStim(0.0f, 0.0f, 1.0f); |
191 t->Transform(&tmp, 1); | 189 t->Transform(&tmp, 1); |
192 EXPECT_NEAR(tmp.x(), 0.0f, kEpsilon); | 190 EXPECT_NEAR(tmp.x(), 0.0f, kEpsilon); |
193 EXPECT_NEAR(tmp.y(), 0.0f, kEpsilon); | 191 EXPECT_NEAR(tmp.y(), 0.0f, kEpsilon); |
194 EXPECT_NEAR(tmp.z(), 1.0f, kEpsilon); | 192 EXPECT_NEAR(tmp.z(), 1.0f, kEpsilon); |
195 } | 193 } |
196 | 194 |
197 TEST(SimpleColorSpace, UnknownToSRGB) { | 195 TEST(SimpleColorSpace, UnknownVideoToSRGB) { |
198 ColorSpace unknown; | 196 // Invalid video spaces should be BT709. |
| 197 ColorSpace unknown = gfx::ColorSpace::CreateVideo( |
| 198 -1, -1, -1, gfx::ColorSpace::RangeID::LIMITED); |
199 ColorSpace sRGB = ColorSpace::CreateSRGB(); | 199 ColorSpace sRGB = ColorSpace::CreateSRGB(); |
200 std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( | 200 std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( |
201 unknown, sRGB, ColorTransform::Intent::INTENT_PERCEPTUAL)); | 201 unknown, sRGB, ColorTransform::Intent::INTENT_PERCEPTUAL)); |
202 | 202 |
203 ColorTransform::TriStim tmp(16.0f / 255.0f, 0.5f, 0.5f); | 203 ColorTransform::TriStim tmp(16.0f / 255.0f, 0.5f, 0.5f); |
204 t->Transform(&tmp, 1); | 204 t->Transform(&tmp, 1); |
205 EXPECT_NEAR(tmp.x(), 0.0f, 0.001f); | 205 EXPECT_NEAR(tmp.x(), 0.0f, 0.001f); |
206 EXPECT_NEAR(tmp.y(), 0.0f, 0.001f); | 206 EXPECT_NEAR(tmp.y(), 0.0f, 0.001f); |
207 EXPECT_NEAR(tmp.z(), 0.0f, 0.001f); | 207 EXPECT_NEAR(tmp.z(), 0.0f, 0.001f); |
208 | 208 |
209 tmp = ColorTransform::TriStim(235.0f / 255.0f, 0.5f, 0.5f); | 209 tmp = ColorTransform::TriStim(235.0f / 255.0f, 0.5f, 0.5f); |
210 t->Transform(&tmp, 1); | 210 t->Transform(&tmp, 1); |
211 EXPECT_NEAR(tmp.x(), 1.0f, 0.001f); | 211 EXPECT_NEAR(tmp.x(), 1.0f, 0.001f); |
212 EXPECT_NEAR(tmp.y(), 1.0f, 0.001f); | 212 EXPECT_NEAR(tmp.y(), 1.0f, 0.001f); |
213 EXPECT_NEAR(tmp.z(), 1.0f, 0.001f); | 213 EXPECT_NEAR(tmp.z(), 1.0f, 0.001f); |
214 | 214 |
215 // Test a blue color | 215 // Test a blue color |
216 tmp = ColorTransform::TriStim(128.0f / 255.0f, 240.0f / 255.0f, 0.5f); | 216 tmp = ColorTransform::TriStim(128.0f / 255.0f, 240.0f / 255.0f, 0.5f); |
217 t->Transform(&tmp, 1); | 217 t->Transform(&tmp, 1); |
218 EXPECT_GT(tmp.z(), tmp.x()); | 218 EXPECT_GT(tmp.z(), tmp.x()); |
219 EXPECT_GT(tmp.z(), tmp.y()); | 219 EXPECT_GT(tmp.z(), tmp.y()); |
220 } | 220 } |
221 | 221 |
| 222 TEST(SimpleColorSpace, DefaultToSRGB) { |
| 223 // The default value should do no transformation, regardless of destination. |
| 224 ColorSpace unknown; |
| 225 std::unique_ptr<ColorTransform> t1(ColorTransform::NewColorTransform( |
| 226 unknown, ColorSpace::CreateSRGB(), |
| 227 ColorTransform::Intent::INTENT_PERCEPTUAL)); |
| 228 EXPECT_EQ(t1->NumberOfStepsForTesting(), 0u); |
| 229 std::unique_ptr<ColorTransform> t2(ColorTransform::NewColorTransform( |
| 230 unknown, ColorSpace::CreateXYZD50(), |
| 231 ColorTransform::Intent::INTENT_PERCEPTUAL)); |
| 232 EXPECT_EQ(t2->NumberOfStepsForTesting(), 0u); |
| 233 } |
| 234 |
222 class TransferTest : public testing::TestWithParam<ColorSpace::TransferID> {}; | 235 class TransferTest : public testing::TestWithParam<ColorSpace::TransferID> {}; |
223 | 236 |
224 TEST_P(TransferTest, basicTest) { | 237 TEST_P(TransferTest, basicTest) { |
225 gfx::ColorSpace space_with_transfer(ColorSpace::PrimaryID::BT709, GetParam(), | 238 gfx::ColorSpace space_with_transfer(ColorSpace::PrimaryID::BT709, GetParam(), |
226 ColorSpace::MatrixID::RGB, | 239 ColorSpace::MatrixID::RGB, |
227 ColorSpace::RangeID::FULL); | 240 ColorSpace::RangeID::FULL); |
228 gfx::ColorSpace space_linear( | 241 gfx::ColorSpace space_linear( |
229 ColorSpace::PrimaryID::BT709, ColorSpace::TransferID::LINEAR, | 242 ColorSpace::PrimaryID::BT709, ColorSpace::TransferID::LINEAR, |
230 ColorSpace::MatrixID::RGB, ColorSpace::RangeID::FULL); | 243 ColorSpace::MatrixID::RGB, ColorSpace::RangeID::FULL); |
231 | 244 |
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320 | 333 |
321 INSTANTIATE_TEST_CASE_P( | 334 INSTANTIATE_TEST_CASE_P( |
322 C, | 335 C, |
323 ColorSpaceTest, | 336 ColorSpaceTest, |
324 testing::Combine(testing::ValuesIn(all_primaries), | 337 testing::Combine(testing::ValuesIn(all_primaries), |
325 testing::Values(ColorSpace::TransferID::BT709), | 338 testing::Values(ColorSpace::TransferID::BT709), |
326 testing::ValuesIn(all_matrices), | 339 testing::ValuesIn(all_matrices), |
327 testing::ValuesIn(all_ranges), | 340 testing::ValuesIn(all_ranges), |
328 testing::ValuesIn(intents))); | 341 testing::ValuesIn(intents))); |
329 } // namespace | 342 } // namespace |
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