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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "ui/gfx/color_space.h" | 5 #include "ui/gfx/color_space.h" |
6 | 6 |
7 #include <map> | 7 #include <map> |
8 #include <sstream> | 8 #include <sstream> |
9 | 9 |
10 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
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417 | 417 |
418 // Use the parametric transfer function if no other option is available. | 418 // Use the parametric transfer function if no other option is available. |
419 SkColorSpaceTransferFn fn; | 419 SkColorSpaceTransferFn fn; |
420 if (!GetTransferFunction(&fn)) { | 420 if (!GetTransferFunction(&fn)) { |
421 DLOG(ERROR) << "Failed to parameterize transfer function for SkColorSpace"; | 421 DLOG(ERROR) << "Failed to parameterize transfer function for SkColorSpace"; |
422 return nullptr; | 422 return nullptr; |
423 } | 423 } |
424 return SkColorSpace::MakeRGB(fn, to_xyz_d50); | 424 return SkColorSpace::MakeRGB(fn, to_xyz_d50); |
425 } | 425 } |
426 | 426 |
427 sk_sp<SkColorSpace> ColorSpace::ToNonlinearBlendedSkColorSpace() const { | |
428 if (!IsValid()) { | |
429 DLOG(ERROR) << "Cannot create SkColorSpace for invalid space."; | |
430 return nullptr; | |
431 } | |
432 if (matrix_ != MatrixID::RGB) { | |
433 DLOG(ERROR) << "Not creating non-RGB SkColorSpace"; | |
434 return nullptr; | |
435 } | |
436 if (range_ != RangeID::FULL) { | |
437 DLOG(ERROR) << "Not creating non-full-range SkColorSpace"; | |
438 return nullptr; | |
439 } | |
440 | |
441 SkMatrix44 primaries; | |
442 GetPrimaryMatrix(&primaries); | |
443 SkColorSpaceTransferFn tr_fn; | |
444 if (!GetTransferFunction(&tr_fn)) { | |
445 DLOG(ERROR) << "Not creating non-parametric nonlinear-blended SkColorSpace"; | |
446 return nullptr; | |
447 } | |
448 return SkColorSpace::MakeRGB(tr_fn, primaries, | |
449 SkColorSpace::kNonLinearBlending_ColorSpaceFlag); | |
450 } | |
451 | |
452 bool ColorSpace::GetICCProfile(ICCProfile* icc_profile) const { | 427 bool ColorSpace::GetICCProfile(ICCProfile* icc_profile) const { |
453 if (!IsValid()) { | 428 if (!IsValid()) { |
454 DLOG(ERROR) << "Cannot fetch ICCProfile for invalid space."; | 429 DLOG(ERROR) << "Cannot fetch ICCProfile for invalid space."; |
455 return false; | 430 return false; |
456 } | 431 } |
457 if (matrix_ != MatrixID::RGB) { | 432 if (matrix_ != MatrixID::RGB) { |
458 DLOG(ERROR) << "Not creating non-RGB ICCProfile"; | 433 DLOG(ERROR) << "Not creating non-RGB ICCProfile"; |
459 return false; | 434 return false; |
460 } | 435 } |
461 if (range_ != RangeID::FULL) { | 436 if (range_ != RangeID::FULL) { |
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837 matrix->postTranslate(-16.0f/219.0f, -15.5f/224.0f, -15.5f/224.0f); | 812 matrix->postTranslate(-16.0f/219.0f, -15.5f/224.0f, -15.5f/224.0f); |
838 break; | 813 break; |
839 } | 814 } |
840 } | 815 } |
841 | 816 |
842 std::ostream& operator<<(std::ostream& out, const ColorSpace& color_space) { | 817 std::ostream& operator<<(std::ostream& out, const ColorSpace& color_space) { |
843 return out << color_space.ToString(); | 818 return out << color_space.ToString(); |
844 } | 819 } |
845 | 820 |
846 } // namespace gfx | 821 } // namespace gfx |
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