| // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/logging.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/color_space.h" |
| #include "ui/gfx/color_transform.h" |
| #include "ui/gfx/icc_profile.h" |
| #include "ui/gfx/transform.h" |
| |
| namespace gfx { |
| |
| // Internal functions, exposted for testing. |
| GFX_EXPORT Transform GetPrimaryMatrix(ColorSpace::PrimaryID id); |
| GFX_EXPORT Transform GetTransferMatrix(ColorSpace::MatrixID id); |
| GFX_EXPORT float ToLinear(ColorSpace::TransferID id, float v); |
| GFX_EXPORT float FromLinear(ColorSpace::TransferID id, float v); |
| |
| ColorSpace::PrimaryID all_primaries[] = { |
| ColorSpace::PrimaryID::BT709, ColorSpace::PrimaryID::BT470M, |
| ColorSpace::PrimaryID::BT470BG, ColorSpace::PrimaryID::SMPTE170M, |
| ColorSpace::PrimaryID::SMPTE240M, ColorSpace::PrimaryID::FILM, |
| ColorSpace::PrimaryID::BT2020, ColorSpace::PrimaryID::SMPTEST428_1, |
| ColorSpace::PrimaryID::SMPTEST431_2, ColorSpace::PrimaryID::SMPTEST432_1, |
| }; |
| |
| ColorSpace::TransferID all_transfers[] = { |
| ColorSpace::TransferID::BT709, ColorSpace::TransferID::GAMMA22, |
| ColorSpace::TransferID::GAMMA28, ColorSpace::TransferID::SMPTE170M, |
| ColorSpace::TransferID::SMPTE240M, ColorSpace::TransferID::LINEAR, |
| ColorSpace::TransferID::LOG, ColorSpace::TransferID::LOG_SQRT, |
| ColorSpace::TransferID::IEC61966_2_4, ColorSpace::TransferID::BT1361_ECG, |
| ColorSpace::TransferID::IEC61966_2_1, ColorSpace::TransferID::BT2020_10, |
| ColorSpace::TransferID::BT2020_12, ColorSpace::TransferID::SMPTEST2084, |
| // This one is weird as the non-linear numbers are not between 0 and 1. |
| // TODO(hubbe): Test this separately. |
| // ColorSpace::TransferID::SMPTEST428_1, |
| }; |
| |
| ColorSpace::MatrixID all_matrices[] = { |
| ColorSpace::MatrixID::RGB, ColorSpace::MatrixID::BT709, |
| ColorSpace::MatrixID::UNSPECIFIED, ColorSpace::MatrixID::RESERVED, |
| ColorSpace::MatrixID::FCC, ColorSpace::MatrixID::BT470BG, |
| ColorSpace::MatrixID::SMPTE170M, ColorSpace::MatrixID::SMPTE240M, |
| |
| // YCOCG produces lots of negative values which isn't compatible with many |
| // transfer functions. |
| // TODO(hubbe): Test this separately. |
| // ColorSpace::MatrixID::YCOCG, |
| ColorSpace::MatrixID::BT2020_NCL, ColorSpace::MatrixID::BT2020_CL, |
| ColorSpace::MatrixID::YDZDX, |
| }; |
| |
| ColorSpace::RangeID all_ranges[] = {ColorSpace::RangeID::FULL, |
| ColorSpace::RangeID::LIMITED}; |
| |
| TEST(SimpleColorSpace, BT709toSRGB) { |
| ColorSpace bt709 = ColorSpace::CreateREC709(); |
| ColorSpace sRGB = ColorSpace::CreateSRGB(); |
| std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( |
| bt709, sRGB, ColorTransform::Intent::INTENT_ABSOLUTE)); |
| |
| ColorTransform::TriStim tmp(16.0f / 255.0f, 0.5f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 0.0f, 0.001f); |
| |
| tmp = ColorTransform::TriStim(235.0f / 255.0f, 0.5f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 1.0f, 0.001f); |
| |
| // Test a blue color |
| tmp = ColorTransform::TriStim(128.0f / 255.0f, 240.0f / 255.0f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_GT(tmp.z(), tmp.x()); |
| EXPECT_GT(tmp.z(), tmp.y()); |
| } |
| |
| unsigned char srgb_icc_data[] = { |
| 0x00, 0x00, 0x0b, 0xe8, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, |
| 0x6d, 0x6e, 0x74, 0x72, 0x52, 0x47, 0x42, 0x20, 0x58, 0x59, 0x5a, 0x20, |
| 0x07, 0xd9, 0x00, 0x03, 0x00, 0x1b, 0x00, 0x15, 0x00, 0x24, 0x00, 0x1f, |
| 0x61, 0x63, 0x73, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6, |
| 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, 0x00, 0x00, 0x00, 0x00, |
| 0x12, 0xe2, 0xc7, 0xe9, 0xc6, 0x02, 0x6e, 0x10, 0x5e, 0xdb, 0x15, 0x15, |
| 0x9c, 0x6f, 0x26, 0xed, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, |
| 0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x01, 0x44, 0x00, 0x00, 0x00, 0x79, |
| 0x62, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x01, 0xc0, 0x00, 0x00, 0x00, 0x14, |
| 0x62, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0xd4, 0x00, 0x00, 0x08, 0x0c, |
| 0x67, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0xd4, 0x00, 0x00, 0x08, 0x0c, |
| 0x72, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0xd4, 0x00, 0x00, 0x08, 0x0c, |
| 0x64, 0x6d, 0x64, 0x64, 0x00, 0x00, 0x09, 0xe0, 0x00, 0x00, 0x00, 0x88, |
| 0x67, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x0a, 0x68, 0x00, 0x00, 0x00, 0x14, |
| 0x6c, 0x75, 0x6d, 0x69, 0x00, 0x00, 0x0a, 0x7c, 0x00, 0x00, 0x00, 0x14, |
| 0x6d, 0x65, 0x61, 0x73, 0x00, 0x00, 0x0a, 0x90, 0x00, 0x00, 0x00, 0x24, |
| 0x62, 0x6b, 0x70, 0x74, 0x00, 0x00, 0x0a, 0xb4, 0x00, 0x00, 0x00, 0x14, |
| 0x72, 0x58, 0x59, 0x5a, 0x00, 0x00, 0x0a, 0xc8, 0x00, 0x00, 0x00, 0x14, |
| 0x74, 0x65, 0x63, 0x68, 0x00, 0x00, 0x0a, 0xdc, 0x00, 0x00, 0x00, 0x0c, |
| 0x76, 0x75, 0x65, 0x64, 0x00, 0x00, 0x0a, 0xe8, 0x00, 0x00, 0x00, 0x87, |
| 0x77, 0x74, 0x70, 0x74, 0x00, 0x00, 0x0b, 0x70, 0x00, 0x00, 0x00, 0x14, |
| 0x63, 0x70, 0x72, 0x74, 0x00, 0x00, 0x0b, 0x84, 0x00, 0x00, 0x00, 0x37, |
| 0x63, 0x68, 0x61, 0x64, 0x00, 0x00, 0x0b, 0xbc, 0x00, 0x00, 0x00, 0x2c, |
| 0x64, 0x65, 0x73, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, |
| 0x73, 0x52, 0x47, 0x42, 0x20, 0x49, 0x45, 0x43, 0x36, 0x31, 0x39, 0x36, |
| 0x36, 0x2d, 0x32, 0x2d, 0x31, 0x20, 0x62, 0x6c, 0x61, 0x63, 0x6b, 0x20, |
| 0x73, 0x63, 0x61, 0x6c, 0x65, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x24, 0xa0, 0x00, 0x00, 0x0f, 0x84, 0x00, 0x00, 0xb6, 0xcf, |
| 0x63, 0x75, 0x72, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, |
| 0x00, 0x00, 0x00, 0x05, 0x00, 0x0a, 0x00, 0x0f, 0x00, 0x14, 0x00, 0x19, |
| 0x00, 0x1e, 0x00, 0x23, 0x00, 0x28, 0x00, 0x2d, 0x00, 0x32, 0x00, 0x37, |
| 0x00, 0x3b, 0x00, 0x40, 0x00, 0x45, 0x00, 0x4a, 0x00, 0x4f, 0x00, 0x54, |
| 0x00, 0x59, 0x00, 0x5e, 0x00, 0x63, 0x00, 0x68, 0x00, 0x6d, 0x00, 0x72, |
| 0x00, 0x77, 0x00, 0x7c, 0x00, 0x81, 0x00, 0x86, 0x00, 0x8b, 0x00, 0x90, |
| 0x00, 0x95, 0x00, 0x9a, 0x00, 0x9f, 0x00, 0xa4, 0x00, 0xa9, 0x00, 0xae, |
| 0x00, 0xb2, 0x00, 0xb7, 0x00, 0xbc, 0x00, 0xc1, 0x00, 0xc6, 0x00, 0xcb, |
| 0x00, 0xd0, 0x00, 0xd5, 0x00, 0xdb, 0x00, 0xe0, 0x00, 0xe5, 0x00, 0xeb, |
| 0x00, 0xf0, 0x00, 0xf6, 0x00, 0xfb, 0x01, 0x01, 0x01, 0x07, 0x01, 0x0d, |
| 0x01, 0x13, 0x01, 0x19, 0x01, 0x1f, 0x01, 0x25, 0x01, 0x2b, 0x01, 0x32, |
| 0x01, 0x38, 0x01, 0x3e, 0x01, 0x45, 0x01, 0x4c, 0x01, 0x52, 0x01, 0x59, |
| 0x01, 0x60, 0x01, 0x67, 0x01, 0x6e, 0x01, 0x75, 0x01, 0x7c, 0x01, 0x83, |
| 0x01, 0x8b, 0x01, 0x92, 0x01, 0x9a, 0x01, 0xa1, 0x01, 0xa9, 0x01, 0xb1, |
| 0x01, 0xb9, 0x01, 0xc1, 0x01, 0xc9, 0x01, 0xd1, 0x01, 0xd9, 0x01, 0xe1, |
| 0x01, 0xe9, 0x01, 0xf2, 0x01, 0xfa, 0x02, 0x03, 0x02, 0x0c, 0x02, 0x14, |
| 0x02, 0x1d, 0x02, 0x26, 0x02, 0x2f, 0x02, 0x38, 0x02, 0x41, 0x02, 0x4b, |
| 0x02, 0x54, 0x02, 0x5d, 0x02, 0x67, 0x02, 0x71, 0x02, 0x7a, 0x02, 0x84, |
| 0x02, 0x8e, 0x02, 0x98, 0x02, 0xa2, 0x02, 0xac, 0x02, 0xb6, 0x02, 0xc1, |
| 0x02, 0xcb, 0x02, 0xd5, 0x02, 0xe0, 0x02, 0xeb, 0x02, 0xf5, 0x03, 0x00, |
| 0x03, 0x0b, 0x03, 0x16, 0x03, 0x21, 0x03, 0x2d, 0x03, 0x38, 0x03, 0x43, |
| 0x03, 0x4f, 0x03, 0x5a, 0x03, 0x66, 0x03, 0x72, 0x03, 0x7e, 0x03, 0x8a, |
| 0x03, 0x96, 0x03, 0xa2, 0x03, 0xae, 0x03, 0xba, 0x03, 0xc7, 0x03, 0xd3, |
| 0x03, 0xe0, 0x03, 0xec, 0x03, 0xf9, 0x04, 0x06, 0x04, 0x13, 0x04, 0x20, |
| 0x04, 0x2d, 0x04, 0x3b, 0x04, 0x48, 0x04, 0x55, 0x04, 0x63, 0x04, 0x71, |
| 0x04, 0x7e, 0x04, 0x8c, 0x04, 0x9a, 0x04, 0xa8, 0x04, 0xb6, 0x04, 0xc4, |
| 0x04, 0xd3, 0x04, 0xe1, 0x04, 0xf0, 0x04, 0xfe, 0x05, 0x0d, 0x05, 0x1c, |
| 0x05, 0x2b, 0x05, 0x3a, 0x05, 0x49, 0x05, 0x58, 0x05, 0x67, 0x05, 0x77, |
| 0x05, 0x86, 0x05, 0x96, 0x05, 0xa6, 0x05, 0xb5, 0x05, 0xc5, 0x05, 0xd5, |
| 0x05, 0xe5, 0x05, 0xf6, 0x06, 0x06, 0x06, 0x16, 0x06, 0x27, 0x06, 0x37, |
| 0x06, 0x48, 0x06, 0x59, 0x06, 0x6a, 0x06, 0x7b, 0x06, 0x8c, 0x06, 0x9d, |
| 0x06, 0xaf, 0x06, 0xc0, 0x06, 0xd1, 0x06, 0xe3, 0x06, 0xf5, 0x07, 0x07, |
| 0x07, 0x19, 0x07, 0x2b, 0x07, 0x3d, 0x07, 0x4f, 0x07, 0x61, 0x07, 0x74, |
| 0x07, 0x86, 0x07, 0x99, 0x07, 0xac, 0x07, 0xbf, 0x07, 0xd2, 0x07, 0xe5, |
| 0x07, 0xf8, 0x08, 0x0b, 0x08, 0x1f, 0x08, 0x32, 0x08, 0x46, 0x08, 0x5a, |
| 0x08, 0x6e, 0x08, 0x82, 0x08, 0x96, 0x08, 0xaa, 0x08, 0xbe, 0x08, 0xd2, |
| 0x08, 0xe7, 0x08, 0xfb, 0x09, 0x10, 0x09, 0x25, 0x09, 0x3a, 0x09, 0x4f, |
| 0x09, 0x64, 0x09, 0x79, 0x09, 0x8f, 0x09, 0xa4, 0x09, 0xba, 0x09, 0xcf, |
| 0x09, 0xe5, 0x09, 0xfb, 0x0a, 0x11, 0x0a, 0x27, 0x0a, 0x3d, 0x0a, 0x54, |
| 0x0a, 0x6a, 0x0a, 0x81, 0x0a, 0x98, 0x0a, 0xae, 0x0a, 0xc5, 0x0a, 0xdc, |
| 0x0a, 0xf3, 0x0b, 0x0b, 0x0b, 0x22, 0x0b, 0x39, 0x0b, 0x51, 0x0b, 0x69, |
| 0x0b, 0x80, 0x0b, 0x98, 0x0b, 0xb0, 0x0b, 0xc8, 0x0b, 0xe1, 0x0b, 0xf9, |
| 0x0c, 0x12, 0x0c, 0x2a, 0x0c, 0x43, 0x0c, 0x5c, 0x0c, 0x75, 0x0c, 0x8e, |
| 0x0c, 0xa7, 0x0c, 0xc0, 0x0c, 0xd9, 0x0c, 0xf3, 0x0d, 0x0d, 0x0d, 0x26, |
| 0x0d, 0x40, 0x0d, 0x5a, 0x0d, 0x74, 0x0d, 0x8e, 0x0d, 0xa9, 0x0d, 0xc3, |
| 0x0d, 0xde, 0x0d, 0xf8, 0x0e, 0x13, 0x0e, 0x2e, 0x0e, 0x49, 0x0e, 0x64, |
| 0x0e, 0x7f, 0x0e, 0x9b, 0x0e, 0xb6, 0x0e, 0xd2, 0x0e, 0xee, 0x0f, 0x09, |
| 0x0f, 0x25, 0x0f, 0x41, 0x0f, 0x5e, 0x0f, 0x7a, 0x0f, 0x96, 0x0f, 0xb3, |
| 0x0f, 0xcf, 0x0f, 0xec, 0x10, 0x09, 0x10, 0x26, 0x10, 0x43, 0x10, 0x61, |
| 0x10, 0x7e, 0x10, 0x9b, 0x10, 0xb9, 0x10, 0xd7, 0x10, 0xf5, 0x11, 0x13, |
| 0x11, 0x31, 0x11, 0x4f, 0x11, 0x6d, 0x11, 0x8c, 0x11, 0xaa, 0x11, 0xc9, |
| 0x11, 0xe8, 0x12, 0x07, 0x12, 0x26, 0x12, 0x45, 0x12, 0x64, 0x12, 0x84, |
| 0x12, 0xa3, 0x12, 0xc3, 0x12, 0xe3, 0x13, 0x03, 0x13, 0x23, 0x13, 0x43, |
| 0x13, 0x63, 0x13, 0x83, 0x13, 0xa4, 0x13, 0xc5, 0x13, 0xe5, 0x14, 0x06, |
| 0x14, 0x27, 0x14, 0x49, 0x14, 0x6a, 0x14, 0x8b, 0x14, 0xad, 0x14, 0xce, |
| 0x14, 0xf0, 0x15, 0x12, 0x15, 0x34, 0x15, 0x56, 0x15, 0x78, 0x15, 0x9b, |
| 0x15, 0xbd, 0x15, 0xe0, 0x16, 0x03, 0x16, 0x26, 0x16, 0x49, 0x16, 0x6c, |
| 0x16, 0x8f, 0x16, 0xb2, 0x16, 0xd6, 0x16, 0xfa, 0x17, 0x1d, 0x17, 0x41, |
| 0x17, 0x65, 0x17, 0x89, 0x17, 0xae, 0x17, 0xd2, 0x17, 0xf7, 0x18, 0x1b, |
| 0x18, 0x40, 0x18, 0x65, 0x18, 0x8a, 0x18, 0xaf, 0x18, 0xd5, 0x18, 0xfa, |
| 0x19, 0x20, 0x19, 0x45, 0x19, 0x6b, 0x19, 0x91, 0x19, 0xb7, 0x19, 0xdd, |
| 0x1a, 0x04, 0x1a, 0x2a, 0x1a, 0x51, 0x1a, 0x77, 0x1a, 0x9e, 0x1a, 0xc5, |
| 0x1a, 0xec, 0x1b, 0x14, 0x1b, 0x3b, 0x1b, 0x63, 0x1b, 0x8a, 0x1b, 0xb2, |
| 0x1b, 0xda, 0x1c, 0x02, 0x1c, 0x2a, 0x1c, 0x52, 0x1c, 0x7b, 0x1c, 0xa3, |
| 0x1c, 0xcc, 0x1c, 0xf5, 0x1d, 0x1e, 0x1d, 0x47, 0x1d, 0x70, 0x1d, 0x99, |
| 0x1d, 0xc3, 0x1d, 0xec, 0x1e, 0x16, 0x1e, 0x40, 0x1e, 0x6a, 0x1e, 0x94, |
| 0x1e, 0xbe, 0x1e, 0xe9, 0x1f, 0x13, 0x1f, 0x3e, 0x1f, 0x69, 0x1f, 0x94, |
| 0x1f, 0xbf, 0x1f, 0xea, 0x20, 0x15, 0x20, 0x41, 0x20, 0x6c, 0x20, 0x98, |
| 0x20, 0xc4, 0x20, 0xf0, 0x21, 0x1c, 0x21, 0x48, 0x21, 0x75, 0x21, 0xa1, |
| 0x21, 0xce, 0x21, 0xfb, 0x22, 0x27, 0x22, 0x55, 0x22, 0x82, 0x22, 0xaf, |
| 0x22, 0xdd, 0x23, 0x0a, 0x23, 0x38, 0x23, 0x66, 0x23, 0x94, 0x23, 0xc2, |
| 0x23, 0xf0, 0x24, 0x1f, 0x24, 0x4d, 0x24, 0x7c, 0x24, 0xab, 0x24, 0xda, |
| 0x25, 0x09, 0x25, 0x38, 0x25, 0x68, 0x25, 0x97, 0x25, 0xc7, 0x25, 0xf7, |
| 0x26, 0x27, 0x26, 0x57, 0x26, 0x87, 0x26, 0xb7, 0x26, 0xe8, 0x27, 0x18, |
| 0x27, 0x49, 0x27, 0x7a, 0x27, 0xab, 0x27, 0xdc, 0x28, 0x0d, 0x28, 0x3f, |
| 0x28, 0x71, 0x28, 0xa2, 0x28, 0xd4, 0x29, 0x06, 0x29, 0x38, 0x29, 0x6b, |
| 0x29, 0x9d, 0x29, 0xd0, 0x2a, 0x02, 0x2a, 0x35, 0x2a, 0x68, 0x2a, 0x9b, |
| 0x2a, 0xcf, 0x2b, 0x02, 0x2b, 0x36, 0x2b, 0x69, 0x2b, 0x9d, 0x2b, 0xd1, |
| 0x2c, 0x05, 0x2c, 0x39, 0x2c, 0x6e, 0x2c, 0xa2, 0x2c, 0xd7, 0x2d, 0x0c, |
| 0x2d, 0x41, 0x2d, 0x76, 0x2d, 0xab, 0x2d, 0xe1, 0x2e, 0x16, 0x2e, 0x4c, |
| 0x2e, 0x82, 0x2e, 0xb7, 0x2e, 0xee, 0x2f, 0x24, 0x2f, 0x5a, 0x2f, 0x91, |
| 0x2f, 0xc7, 0x2f, 0xfe, 0x30, 0x35, 0x30, 0x6c, 0x30, 0xa4, 0x30, 0xdb, |
| 0x31, 0x12, 0x31, 0x4a, 0x31, 0x82, 0x31, 0xba, 0x31, 0xf2, 0x32, 0x2a, |
| 0x32, 0x63, 0x32, 0x9b, 0x32, 0xd4, 0x33, 0x0d, 0x33, 0x46, 0x33, 0x7f, |
| 0x33, 0xb8, 0x33, 0xf1, 0x34, 0x2b, 0x34, 0x65, 0x34, 0x9e, 0x34, 0xd8, |
| 0x35, 0x13, 0x35, 0x4d, 0x35, 0x87, 0x35, 0xc2, 0x35, 0xfd, 0x36, 0x37, |
| 0x36, 0x72, 0x36, 0xae, 0x36, 0xe9, 0x37, 0x24, 0x37, 0x60, 0x37, 0x9c, |
| 0x37, 0xd7, 0x38, 0x14, 0x38, 0x50, 0x38, 0x8c, 0x38, 0xc8, 0x39, 0x05, |
| 0x39, 0x42, 0x39, 0x7f, 0x39, 0xbc, 0x39, 0xf9, 0x3a, 0x36, 0x3a, 0x74, |
| 0x3a, 0xb2, 0x3a, 0xef, 0x3b, 0x2d, 0x3b, 0x6b, 0x3b, 0xaa, 0x3b, 0xe8, |
| 0x3c, 0x27, 0x3c, 0x65, 0x3c, 0xa4, 0x3c, 0xe3, 0x3d, 0x22, 0x3d, 0x61, |
| 0x3d, 0xa1, 0x3d, 0xe0, 0x3e, 0x20, 0x3e, 0x60, 0x3e, 0xa0, 0x3e, 0xe0, |
| 0x3f, 0x21, 0x3f, 0x61, 0x3f, 0xa2, 0x3f, 0xe2, 0x40, 0x23, 0x40, 0x64, |
| 0x40, 0xa6, 0x40, 0xe7, 0x41, 0x29, 0x41, 0x6a, 0x41, 0xac, 0x41, 0xee, |
| 0x42, 0x30, 0x42, 0x72, 0x42, 0xb5, 0x42, 0xf7, 0x43, 0x3a, 0x43, 0x7d, |
| 0x43, 0xc0, 0x44, 0x03, 0x44, 0x47, 0x44, 0x8a, 0x44, 0xce, 0x45, 0x12, |
| 0x45, 0x55, 0x45, 0x9a, 0x45, 0xde, 0x46, 0x22, 0x46, 0x67, 0x46, 0xab, |
| 0x46, 0xf0, 0x47, 0x35, 0x47, 0x7b, 0x47, 0xc0, 0x48, 0x05, 0x48, 0x4b, |
| 0x48, 0x91, 0x48, 0xd7, 0x49, 0x1d, 0x49, 0x63, 0x49, 0xa9, 0x49, 0xf0, |
| 0x4a, 0x37, 0x4a, 0x7d, 0x4a, 0xc4, 0x4b, 0x0c, 0x4b, 0x53, 0x4b, 0x9a, |
| 0x4b, 0xe2, 0x4c, 0x2a, 0x4c, 0x72, 0x4c, 0xba, 0x4d, 0x02, 0x4d, 0x4a, |
| 0x4d, 0x93, 0x4d, 0xdc, 0x4e, 0x25, 0x4e, 0x6e, 0x4e, 0xb7, 0x4f, 0x00, |
| 0x4f, 0x49, 0x4f, 0x93, 0x4f, 0xdd, 0x50, 0x27, 0x50, 0x71, 0x50, 0xbb, |
| 0x51, 0x06, 0x51, 0x50, 0x51, 0x9b, 0x51, 0xe6, 0x52, 0x31, 0x52, 0x7c, |
| 0x52, 0xc7, 0x53, 0x13, 0x53, 0x5f, 0x53, 0xaa, 0x53, 0xf6, 0x54, 0x42, |
| 0x54, 0x8f, 0x54, 0xdb, 0x55, 0x28, 0x55, 0x75, 0x55, 0xc2, 0x56, 0x0f, |
| 0x56, 0x5c, 0x56, 0xa9, 0x56, 0xf7, 0x57, 0x44, 0x57, 0x92, 0x57, 0xe0, |
| 0x58, 0x2f, 0x58, 0x7d, 0x58, 0xcb, 0x59, 0x1a, 0x59, 0x69, 0x59, 0xb8, |
| 0x5a, 0x07, 0x5a, 0x56, 0x5a, 0xa6, 0x5a, 0xf5, 0x5b, 0x45, 0x5b, 0x95, |
| 0x5b, 0xe5, 0x5c, 0x35, 0x5c, 0x86, 0x5c, 0xd6, 0x5d, 0x27, 0x5d, 0x78, |
| 0x5d, 0xc9, 0x5e, 0x1a, 0x5e, 0x6c, 0x5e, 0xbd, 0x5f, 0x0f, 0x5f, 0x61, |
| 0x5f, 0xb3, 0x60, 0x05, 0x60, 0x57, 0x60, 0xaa, 0x60, 0xfc, 0x61, 0x4f, |
| 0x61, 0xa2, 0x61, 0xf5, 0x62, 0x49, 0x62, 0x9c, 0x62, 0xf0, 0x63, 0x43, |
| 0x63, 0x97, 0x63, 0xeb, 0x64, 0x40, 0x64, 0x94, 0x64, 0xe9, 0x65, 0x3d, |
| 0x65, 0x92, 0x65, 0xe7, 0x66, 0x3d, 0x66, 0x92, 0x66, 0xe8, 0x67, 0x3d, |
| 0x67, 0x93, 0x67, 0xe9, 0x68, 0x3f, 0x68, 0x96, 0x68, 0xec, 0x69, 0x43, |
| 0x69, 0x9a, 0x69, 0xf1, 0x6a, 0x48, 0x6a, 0x9f, 0x6a, 0xf7, 0x6b, 0x4f, |
| 0x6b, 0xa7, 0x6b, 0xff, 0x6c, 0x57, 0x6c, 0xaf, 0x6d, 0x08, 0x6d, 0x60, |
| 0x6d, 0xb9, 0x6e, 0x12, 0x6e, 0x6b, 0x6e, 0xc4, 0x6f, 0x1e, 0x6f, 0x78, |
| 0x6f, 0xd1, 0x70, 0x2b, 0x70, 0x86, 0x70, 0xe0, 0x71, 0x3a, 0x71, 0x95, |
| 0x71, 0xf0, 0x72, 0x4b, 0x72, 0xa6, 0x73, 0x01, 0x73, 0x5d, 0x73, 0xb8, |
| 0x74, 0x14, 0x74, 0x70, 0x74, 0xcc, 0x75, 0x28, 0x75, 0x85, 0x75, 0xe1, |
| 0x76, 0x3e, 0x76, 0x9b, 0x76, 0xf8, 0x77, 0x56, 0x77, 0xb3, 0x78, 0x11, |
| 0x78, 0x6e, 0x78, 0xcc, 0x79, 0x2a, 0x79, 0x89, 0x79, 0xe7, 0x7a, 0x46, |
| 0x7a, 0xa5, 0x7b, 0x04, 0x7b, 0x63, 0x7b, 0xc2, 0x7c, 0x21, 0x7c, 0x81, |
| 0x7c, 0xe1, 0x7d, 0x41, 0x7d, 0xa1, 0x7e, 0x01, 0x7e, 0x62, 0x7e, 0xc2, |
| 0x7f, 0x23, 0x7f, 0x84, 0x7f, 0xe5, 0x80, 0x47, 0x80, 0xa8, 0x81, 0x0a, |
| 0x81, 0x6b, 0x81, 0xcd, 0x82, 0x30, 0x82, 0x92, 0x82, 0xf4, 0x83, 0x57, |
| 0x83, 0xba, 0x84, 0x1d, 0x84, 0x80, 0x84, 0xe3, 0x85, 0x47, 0x85, 0xab, |
| 0x86, 0x0e, 0x86, 0x72, 0x86, 0xd7, 0x87, 0x3b, 0x87, 0x9f, 0x88, 0x04, |
| 0x88, 0x69, 0x88, 0xce, 0x89, 0x33, 0x89, 0x99, 0x89, 0xfe, 0x8a, 0x64, |
| 0x8a, 0xca, 0x8b, 0x30, 0x8b, 0x96, 0x8b, 0xfc, 0x8c, 0x63, 0x8c, 0xca, |
| 0x8d, 0x31, 0x8d, 0x98, 0x8d, 0xff, 0x8e, 0x66, 0x8e, 0xce, 0x8f, 0x36, |
| 0x8f, 0x9e, 0x90, 0x06, 0x90, 0x6e, 0x90, 0xd6, 0x91, 0x3f, 0x91, 0xa8, |
| 0x92, 0x11, 0x92, 0x7a, 0x92, 0xe3, 0x93, 0x4d, 0x93, 0xb6, 0x94, 0x20, |
| 0x94, 0x8a, 0x94, 0xf4, 0x95, 0x5f, 0x95, 0xc9, 0x96, 0x34, 0x96, 0x9f, |
| 0x97, 0x0a, 0x97, 0x75, 0x97, 0xe0, 0x98, 0x4c, 0x98, 0xb8, 0x99, 0x24, |
| 0x99, 0x90, 0x99, 0xfc, 0x9a, 0x68, 0x9a, 0xd5, 0x9b, 0x42, 0x9b, 0xaf, |
| 0x9c, 0x1c, 0x9c, 0x89, 0x9c, 0xf7, 0x9d, 0x64, 0x9d, 0xd2, 0x9e, 0x40, |
| 0x9e, 0xae, 0x9f, 0x1d, 0x9f, 0x8b, 0x9f, 0xfa, 0xa0, 0x69, 0xa0, 0xd8, |
| 0xa1, 0x47, 0xa1, 0xb6, 0xa2, 0x26, 0xa2, 0x96, 0xa3, 0x06, 0xa3, 0x76, |
| 0xa3, 0xe6, 0xa4, 0x56, 0xa4, 0xc7, 0xa5, 0x38, 0xa5, 0xa9, 0xa6, 0x1a, |
| 0xa6, 0x8b, 0xa6, 0xfd, 0xa7, 0x6e, 0xa7, 0xe0, 0xa8, 0x52, 0xa8, 0xc4, |
| 0xa9, 0x37, 0xa9, 0xa9, 0xaa, 0x1c, 0xaa, 0x8f, 0xab, 0x02, 0xab, 0x75, |
| 0xab, 0xe9, 0xac, 0x5c, 0xac, 0xd0, 0xad, 0x44, 0xad, 0xb8, 0xae, 0x2d, |
| 0xae, 0xa1, 0xaf, 0x16, 0xaf, 0x8b, 0xb0, 0x00, 0xb0, 0x75, 0xb0, 0xea, |
| 0xb1, 0x60, 0xb1, 0xd6, 0xb2, 0x4b, 0xb2, 0xc2, 0xb3, 0x38, 0xb3, 0xae, |
| 0xb4, 0x25, 0xb4, 0x9c, 0xb5, 0x13, 0xb5, 0x8a, 0xb6, 0x01, 0xb6, 0x79, |
| 0xb6, 0xf0, 0xb7, 0x68, 0xb7, 0xe0, 0xb8, 0x59, 0xb8, 0xd1, 0xb9, 0x4a, |
| 0xb9, 0xc2, 0xba, 0x3b, 0xba, 0xb5, 0xbb, 0x2e, 0xbb, 0xa7, 0xbc, 0x21, |
| 0xbc, 0x9b, 0xbd, 0x15, 0xbd, 0x8f, 0xbe, 0x0a, 0xbe, 0x84, 0xbe, 0xff, |
| 0xbf, 0x7a, 0xbf, 0xf5, 0xc0, 0x70, 0xc0, 0xec, 0xc1, 0x67, 0xc1, 0xe3, |
| 0xc2, 0x5f, 0xc2, 0xdb, 0xc3, 0x58, 0xc3, 0xd4, 0xc4, 0x51, 0xc4, 0xce, |
| 0xc5, 0x4b, 0xc5, 0xc8, 0xc6, 0x46, 0xc6, 0xc3, 0xc7, 0x41, 0xc7, 0xbf, |
| 0xc8, 0x3d, 0xc8, 0xbc, 0xc9, 0x3a, 0xc9, 0xb9, 0xca, 0x38, 0xca, 0xb7, |
| 0xcb, 0x36, 0xcb, 0xb6, 0xcc, 0x35, 0xcc, 0xb5, 0xcd, 0x35, 0xcd, 0xb5, |
| 0xce, 0x36, 0xce, 0xb6, 0xcf, 0x37, 0xcf, 0xb8, 0xd0, 0x39, 0xd0, 0xba, |
| 0xd1, 0x3c, 0xd1, 0xbe, 0xd2, 0x3f, 0xd2, 0xc1, 0xd3, 0x44, 0xd3, 0xc6, |
| 0xd4, 0x49, 0xd4, 0xcb, 0xd5, 0x4e, 0xd5, 0xd1, 0xd6, 0x55, 0xd6, 0xd8, |
| 0xd7, 0x5c, 0xd7, 0xe0, 0xd8, 0x64, 0xd8, 0xe8, 0xd9, 0x6c, 0xd9, 0xf1, |
| 0xda, 0x76, 0xda, 0xfb, 0xdb, 0x80, 0xdc, 0x05, 0xdc, 0x8a, 0xdd, 0x10, |
| 0xdd, 0x96, 0xde, 0x1c, 0xde, 0xa2, 0xdf, 0x29, 0xdf, 0xaf, 0xe0, 0x36, |
| 0xe0, 0xbd, 0xe1, 0x44, 0xe1, 0xcc, 0xe2, 0x53, 0xe2, 0xdb, 0xe3, 0x63, |
| 0xe3, 0xeb, 0xe4, 0x73, 0xe4, 0xfc, 0xe5, 0x84, 0xe6, 0x0d, 0xe6, 0x96, |
| 0xe7, 0x1f, 0xe7, 0xa9, 0xe8, 0x32, 0xe8, 0xbc, 0xe9, 0x46, 0xe9, 0xd0, |
| 0xea, 0x5b, 0xea, 0xe5, 0xeb, 0x70, 0xeb, 0xfb, 0xec, 0x86, 0xed, 0x11, |
| 0xed, 0x9c, 0xee, 0x28, 0xee, 0xb4, 0xef, 0x40, 0xef, 0xcc, 0xf0, 0x58, |
| 0xf0, 0xe5, 0xf1, 0x72, 0xf1, 0xff, 0xf2, 0x8c, 0xf3, 0x19, 0xf3, 0xa7, |
| 0xf4, 0x34, 0xf4, 0xc2, 0xf5, 0x50, 0xf5, 0xde, 0xf6, 0x6d, 0xf6, 0xfb, |
| 0xf7, 0x8a, 0xf8, 0x19, 0xf8, 0xa8, 0xf9, 0x38, 0xf9, 0xc7, 0xfa, 0x57, |
| 0xfa, 0xe7, 0xfb, 0x77, 0xfc, 0x07, 0xfc, 0x98, 0xfd, 0x29, 0xfd, 0xba, |
| 0xfe, 0x4b, 0xfe, 0xdc, 0xff, 0x6d, 0xff, 0xff, 0x64, 0x65, 0x73, 0x63, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2e, 0x49, 0x45, 0x43, 0x20, |
| 0x36, 0x31, 0x39, 0x36, 0x36, 0x2d, 0x32, 0x2d, 0x31, 0x20, 0x44, 0x65, |
| 0x66, 0x61, 0x75, 0x6c, 0x74, 0x20, 0x52, 0x47, 0x42, 0x20, 0x43, 0x6f, |
| 0x6c, 0x6f, 0x75, 0x72, 0x20, 0x53, 0x70, 0x61, 0x63, 0x65, 0x20, 0x2d, |
| 0x20, 0x73, 0x52, 0x47, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x99, |
| 0x00, 0x00, 0xb7, 0x85, 0x00, 0x00, 0x18, 0xda, 0x58, 0x59, 0x5a, 0x20, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x6d, 0x65, 0x61, 0x73, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x02, 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x9e, 0x00, 0x00, 0x00, 0xa4, 0x00, 0x00, 0x00, 0x87, |
| 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6f, 0xa2, |
| 0x00, 0x00, 0x38, 0xf5, 0x00, 0x00, 0x03, 0x90, 0x73, 0x69, 0x67, 0x20, |
| 0x00, 0x00, 0x00, 0x00, 0x43, 0x52, 0x54, 0x20, 0x64, 0x65, 0x73, 0x63, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2d, 0x52, 0x65, 0x66, 0x65, |
| 0x72, 0x65, 0x6e, 0x63, 0x65, 0x20, 0x56, 0x69, 0x65, 0x77, 0x69, 0x6e, |
| 0x67, 0x20, 0x43, 0x6f, 0x6e, 0x64, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x20, |
| 0x69, 0x6e, 0x20, 0x49, 0x45, 0x43, 0x20, 0x36, 0x31, 0x39, 0x36, 0x36, |
| 0x2d, 0x32, 0x2d, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6, |
| 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, 0x74, 0x65, 0x78, 0x74, |
| 0x00, 0x00, 0x00, 0x00, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, |
| 0x74, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x74, 0x69, 0x6f, |
| 0x6e, 0x61, 0x6c, 0x20, 0x43, 0x6f, 0x6c, 0x6f, 0x72, 0x20, 0x43, 0x6f, |
| 0x6e, 0x73, 0x6f, 0x72, 0x74, 0x69, 0x75, 0x6d, 0x2c, 0x20, 0x32, 0x30, |
| 0x30, 0x39, 0x00, 0x00, 0x73, 0x66, 0x33, 0x32, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x01, 0x0c, 0x44, 0x00, 0x00, 0x05, 0xdf, 0xff, 0xff, 0xf3, 0x26, |
| 0x00, 0x00, 0x07, 0x94, 0x00, 0x00, 0xfd, 0x8f, 0xff, 0xff, 0xfb, 0xa1, |
| 0xff, 0xff, 0xfd, 0xa2, 0x00, 0x00, 0x03, 0xdb, 0x00, 0x00, 0xc0, 0x75}; |
| |
| TEST(SimpleColorSpace, BT709toSRGBICC) { |
| ICCProfile srgb_icc = ICCProfile::FromData( |
| reinterpret_cast<char*>(srgb_icc_data), arraysize(srgb_icc_data)); |
| |
| ColorSpace bt709 = ColorSpace::CreateREC709(); |
| ColorSpace sRGB = srgb_icc.GetColorSpace(); |
| std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( |
| bt709, sRGB, ColorTransform::Intent::INTENT_ABSOLUTE)); |
| |
| ColorTransform::TriStim tmp(16.0f / 255.0f, 0.5f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 0.0f, 0.001f); |
| |
| tmp = ColorTransform::TriStim(235.0f / 255.0f, 0.5f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 1.0f, 0.001f); |
| |
| // Test a blue color |
| tmp = ColorTransform::TriStim(128.0f / 255.0f, 240.0f / 255.0f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_GT(tmp.z(), tmp.x()); |
| EXPECT_GT(tmp.z(), tmp.y()); |
| } |
| |
| TEST(SimpleColorSpace, GetColorSpace) { |
| ICCProfile srgb_icc = ICCProfile::FromData( |
| reinterpret_cast<char*>(srgb_icc_data), arraysize(srgb_icc_data)); |
| ColorSpace sRGB = srgb_icc.GetColorSpace(); |
| ColorSpace sRGB2 = sRGB; |
| |
| // Prevent sRGB2 from using a cached ICC profile. |
| sRGB2.icc_profile_id_ = 0; |
| |
| std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( |
| sRGB, sRGB2, ColorTransform::Intent::INTENT_ABSOLUTE)); |
| |
| ColorTransform::TriStim tmp(1.0f, 1.0f, 1.0f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 1.0f, 0.001f); |
| |
| tmp = ColorTransform::TriStim(1.0f, 0.0f, 0.0f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 0.0f, 0.001f); |
| |
| tmp = ColorTransform::TriStim(0.0f, 1.0f, 0.0f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 0.0f, 0.001f); |
| |
| tmp = ColorTransform::TriStim(0.0f, 0.0f, 1.0f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 1.0f, 0.001f); |
| } |
| |
| TEST(SimpleColorSpace, UnknownToSRGB) { |
| ColorSpace unknown; |
| ColorSpace sRGB = ColorSpace::CreateSRGB(); |
| std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( |
| unknown, sRGB, ColorTransform::Intent::INTENT_PERCEPTUAL)); |
| |
| ColorTransform::TriStim tmp(16.0f / 255.0f, 0.5f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 0.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 0.0f, 0.001f); |
| |
| tmp = ColorTransform::TriStim(235.0f / 255.0f, 0.5f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_NEAR(tmp.x(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.y(), 1.0f, 0.001f); |
| EXPECT_NEAR(tmp.z(), 1.0f, 0.001f); |
| |
| // Test a blue color |
| tmp = ColorTransform::TriStim(128.0f / 255.0f, 240.0f / 255.0f, 0.5f); |
| t->transform(&tmp, 1); |
| EXPECT_GT(tmp.z(), tmp.x()); |
| EXPECT_GT(tmp.z(), tmp.y()); |
| } |
| |
| class PrimaryTest : public testing::TestWithParam<ColorSpace::PrimaryID> {}; |
| |
| TEST_P(PrimaryTest, checkInvertible) { |
| EXPECT_EQ(GetPrimaryMatrix(GetParam()).matrix().get(3, 3), 1.0f); |
| // Check that all primary matrices are invertable. |
| EXPECT_TRUE(GetPrimaryMatrix(GetParam()).IsInvertible()); |
| } |
| |
| INSTANTIATE_TEST_CASE_P(ColorSpace, |
| PrimaryTest, |
| testing::ValuesIn(all_primaries)); |
| |
| class MatrixTest : public testing::TestWithParam<ColorSpace::MatrixID> {}; |
| |
| TEST_P(MatrixTest, checkInvertible) { |
| EXPECT_EQ(GetTransferMatrix(GetParam()).matrix().get(3, 3), 1.0f); |
| // Check that all transfer matrices are invertable. |
| EXPECT_TRUE(GetTransferMatrix(GetParam()).IsInvertible()); |
| }; |
| |
| INSTANTIATE_TEST_CASE_P(ColorSpace, |
| MatrixTest, |
| testing::ValuesIn(all_matrices)); |
| |
| class TransferTest : public testing::TestWithParam<ColorSpace::TransferID> {}; |
| |
| TEST_P(TransferTest, basicTest) { |
| for (float x = 0.0f; x <= 1.0f; x += 1.0f / 128.0f) { |
| float linear = ToLinear(GetParam(), x); |
| float x2 = FromLinear(GetParam(), linear); |
| EXPECT_NEAR(x, x2, 0.001f); |
| } |
| } |
| |
| INSTANTIATE_TEST_CASE_P(ColorSpace, |
| TransferTest, |
| testing::ValuesIn(all_transfers)); |
| |
| typedef std::tr1::tuple<ColorSpace::PrimaryID, |
| ColorSpace::TransferID, |
| ColorSpace::MatrixID, |
| ColorSpace::RangeID> |
| ColorSpaceTestData; |
| |
| class ColorSpaceTest : public testing::TestWithParam<ColorSpaceTestData> { |
| public: |
| ColorSpaceTest() |
| : color_space_(std::tr1::get<0>(GetParam()), |
| std::tr1::get<1>(GetParam()), |
| std::tr1::get<2>(GetParam()), |
| std::tr1::get<3>(GetParam())) {} |
| |
| protected: |
| ColorSpace color_space_; |
| }; |
| |
| TEST_P(ColorSpaceTest, testNullTransform) { |
| std::unique_ptr<ColorTransform> t(ColorTransform::NewColorTransform( |
| color_space_, color_space_, ColorTransform::Intent::INTENT_ABSOLUTE)); |
| ColorTransform::TriStim tristim(0.4f, 0.5f, 0.6f); |
| t->transform(&tristim, 1); |
| EXPECT_NEAR(tristim.x(), 0.4f, 0.001f); |
| EXPECT_NEAR(tristim.y(), 0.5f, 0.001f); |
| EXPECT_NEAR(tristim.z(), 0.6f, 0.001f); |
| } |
| |
| TEST_P(ColorSpaceTest, toXYZandBack) { |
| std::unique_ptr<ColorTransform> t1(ColorTransform::NewColorTransform( |
| color_space_, ColorSpace::CreateXYZD50(), |
| ColorTransform::Intent::INTENT_ABSOLUTE)); |
| std::unique_ptr<ColorTransform> t2(ColorTransform::NewColorTransform( |
| ColorSpace::CreateXYZD50(), color_space_, |
| ColorTransform::Intent::INTENT_ABSOLUTE)); |
| ColorTransform::TriStim tristim(0.4f, 0.5f, 0.6f); |
| t1->transform(&tristim, 1); |
| t2->transform(&tristim, 1); |
| EXPECT_NEAR(tristim.x(), 0.4f, 0.001f); |
| EXPECT_NEAR(tristim.y(), 0.5f, 0.001f); |
| EXPECT_NEAR(tristim.z(), 0.6f, 0.001f); |
| } |
| |
| INSTANTIATE_TEST_CASE_P( |
| A, |
| ColorSpaceTest, |
| testing::Combine(testing::ValuesIn(all_primaries), |
| testing::ValuesIn(all_transfers), |
| testing::Values(ColorSpace::MatrixID::BT709), |
| testing::Values(ColorSpace::RangeID::LIMITED))); |
| |
| INSTANTIATE_TEST_CASE_P( |
| B, |
| ColorSpaceTest, |
| testing::Combine(testing::Values(ColorSpace::PrimaryID::BT709), |
| testing::ValuesIn(all_transfers), |
| testing::ValuesIn(all_matrices), |
| testing::ValuesIn(all_ranges))); |
| |
| INSTANTIATE_TEST_CASE_P( |
| C, |
| ColorSpaceTest, |
| testing::Combine(testing::ValuesIn(all_primaries), |
| testing::Values(ColorSpace::TransferID::BT709), |
| testing::ValuesIn(all_matrices), |
| testing::ValuesIn(all_ranges))); |
| } // namespace |
