| // Copyright 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. |
| |
| #ifndef UI_GFX_ICC_PROFILE_H_ |
| #define UI_GFX_ICC_PROFILE_H_ |
| |
| #include <stdint.h> |
| #include <vector> |
| |
| #include "base/gtest_prod_util.h" |
| #include "ui/gfx/color_space.h" |
| |
| #if defined(OS_MACOSX) |
| #include <CoreGraphics/CGColorSpace.h> |
| #endif |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size); |
| |
| namespace mojo { |
| template <typename, typename> struct StructTraits; |
| } |
| |
| namespace gfx { |
| |
| // Used to represent a full ICC profile, usually retrieved from a monitor. It |
| // can be lossily compressed into a ColorSpace object. This structure should |
| // only be sent from higher-privilege processes to lower-privilege processes, |
| // as parsing this structure is not secure. |
| class GFX_EXPORT ICCProfile { |
| public: |
| ICCProfile(); |
| ICCProfile(ICCProfile&& other); |
| ICCProfile(const ICCProfile& other); |
| ICCProfile& operator=(ICCProfile&& other); |
| ICCProfile& operator=(const ICCProfile& other); |
| ~ICCProfile(); |
| bool operator==(const ICCProfile& other) const; |
| bool operator!=(const ICCProfile& other) const; |
| |
| // Returns true if this profile was successfully parsed by SkICC. |
| bool IsValid() const; |
| |
| // Returns the color profile of the monitor that can best represent color. |
| // This profile should be used for creating content that does not know on |
| // which monitor it will be displayed. |
| static ICCProfile FromBestMonitor(); |
| #if defined(OS_MACOSX) |
| static ICCProfile FromCGColorSpace(CGColorSpaceRef cg_color_space); |
| #endif |
| |
| // This will recover a ICCProfile from a compact ColorSpace representation. |
| // Internally, this will make an effort to create an identical ICCProfile |
| // to the one that created |color_space|, but this is not guaranteed. |
| static ICCProfile FromColorSpace(const gfx::ColorSpace& color_space); |
| |
| // Create directly from profile data. |
| static ICCProfile FromData(const void* icc_profile, size_t size); |
| |
| // This will perform a potentially-lossy conversion to a more compact color |
| // space representation. |
| const ColorSpace& GetColorSpace() const; |
| |
| const std::vector<char>& GetData() const; |
| |
| #if defined(OS_WIN) |
| // This will read monitor ICC profiles from disk and cache the results for the |
| // other functions to read. This should not be called on the UI or IO thread. |
| static void UpdateCachedProfilesOnBackgroundThread(); |
| static bool CachedProfilesNeedUpdate(); |
| #endif |
| |
| private: |
| friend ICCProfile ICCProfileForTestingAdobeRGB(); |
| friend ICCProfile ICCProfileForTestingColorSpin(); |
| friend ICCProfile ICCProfileForTestingGenericRGB(); |
| friend ICCProfile ICCProfileForTestingSRGB(); |
| friend ICCProfile ICCProfileForTestingNoAnalyticTrFn(); |
| static const uint64_t test_id_adobe_rgb_; |
| static const uint64_t test_id_color_spin_; |
| static const uint64_t test_id_generic_rgb_; |
| static const uint64_t test_id_srgb_; |
| static const uint64_t test_id_no_analytic_tr_fn_; |
| |
| // Populate |icc_profile| with the ICCProfile corresponding to id |id|. Return |
| // false if |id| is not in the cache. If |only_if_needed| is true, then return |
| // false if |color_space_is_accurate_| is true for this profile (that is, if |
| // the ICCProfile is needed to know the space precisely). |
| static bool FromId(uint64_t id, bool only_if_needed, ICCProfile* icc_profile); |
| |
| // This method is used to hard-code the |id_| to a specific value, and is |
| // used by test methods to ensure that they don't conflict with the values |
| // generated in the browser. |
| static ICCProfile FromDataWithId(const void* icc_profile, |
| size_t size, |
| uint64_t id); |
| |
| static bool IsValidProfileLength(size_t length); |
| void ComputeColorSpaceAndCache(); |
| |
| // This globally identifies this ICC profile. It is used to look up this ICC |
| // profile from a ColorSpace object created from it. The object is invalid if |
| // |id_| is zero. |
| uint64_t id_ = 0; |
| std::vector<char> data_; |
| |
| gfx::ColorSpace color_space_; |
| |
| // True if |color_space_| accurately represents this color space (this is |
| // false e.g, for lookup-based profiles). |
| bool color_space_is_accurate_ = false; |
| |
| // This is set to true if SkICC successfully parsed this profile. |
| bool successfully_parsed_by_sk_icc_ = false; |
| |
| FRIEND_TEST_ALL_PREFIXES(SimpleColorSpace, BT709toSRGBICC); |
| FRIEND_TEST_ALL_PREFIXES(SimpleColorSpace, GetColorSpace); |
| friend int ::LLVMFuzzerTestOneInput(const uint8_t*, size_t); |
| friend class ColorSpace; |
| friend class ColorTransformInternal; |
| friend struct IPC::ParamTraits<gfx::ICCProfile>; |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_ICC_PROFILE_H_ |