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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 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 "ui/gfx/icc_profile.h" | 5 #include "ui/gfx/icc_profile.h" |
| 6 | 6 |
| 7 #include <list> | 7 #include <list> |
| 8 | 8 |
| 9 #include "base/containers/mru_cache.h" | 9 #include "base/containers/mru_cache.h" |
| 10 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
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| 137 return ICCProfile(); | 137 return ICCProfile(); |
| 138 } | 138 } |
| 139 | 139 |
| 140 // gfx::ColorTransform assumes that this will return an empty profile for any | 140 // gfx::ColorTransform assumes that this will return an empty profile for any |
| 141 // color space that was not constructed from an ICC profile. | 141 // color space that was not constructed from an ICC profile. |
| 142 // TODO(ccameron): Fix this assumption. | 142 // TODO(ccameron): Fix this assumption. |
| 143 // return FromData(data->data(), data->size()); | 143 // return FromData(data->data(), data->size()); |
| 144 return ICCProfile(); | 144 return ICCProfile(); |
| 145 } | 145 } |
| 146 | 146 |
| 147 ICCProfile ICCProfile::FromSkColorSpace(sk_sp<SkColorSpace> color_space) { | |
| 148 ICCProfile icc_profile; | |
| 149 | |
| 150 Cache& cache = g_cache.Get(); | |
| 151 base::AutoLock lock(cache.lock); | |
| 152 | |
| 153 // Linearly search the cached ICC profiles to find one with the same data. | |
| 154 // If it exists, re-use its id and touch it in the cache. | |
| 155 for (auto iter = cache.id_to_icc_profile_mru.begin(); | |
| 156 iter != cache.id_to_icc_profile_mru.end(); ++iter) { | |
| 157 sk_sp<SkColorSpace> iter_color_space = | |
| 158 iter->second.color_space_.ToSkColorSpace(); | |
| 159 if (SkColorSpace::Equals(color_space.get(), iter_color_space.get())) { | |
| 160 icc_profile = iter->second; | |
| 161 cache.id_to_icc_profile_mru.Get(icc_profile.id_); | |
| 162 return icc_profile; | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 // TODO(ccameron): Support constructing ICC profiles from arbitrary | |
| 167 // SkColorSpace objects. | |
| 168 DLOG(ERROR) << "Failed to find ICC profile matching SkColorSpace."; | |
| 169 return icc_profile; | |
| 170 } | |
| 171 | |
| 172 const std::vector<char>& ICCProfile::GetData() const { | 147 const std::vector<char>& ICCProfile::GetData() const { |
| 173 return data_; | 148 return data_; |
| 174 } | 149 } |
| 175 | 150 |
| 176 const ColorSpace& ICCProfile::GetColorSpace() const { | 151 const ColorSpace& ICCProfile::GetColorSpace() const { |
| 177 // Move this ICC profile to the most recently used end of the cache, | 152 // Move this ICC profile to the most recently used end of the cache, |
| 178 // inserting if needed. | 153 // inserting if needed. |
| 179 if (id_) { | 154 if (id_) { |
| 180 Cache& cache = g_cache.Get(); | 155 Cache& cache = g_cache.Get(); |
| 181 base::AutoLock lock(cache.lock); | 156 base::AutoLock lock(cache.lock); |
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| 253 cache.id_to_icc_profile_mru.Put(id_, *this); | 228 cache.id_to_icc_profile_mru.Put(id_, *this); |
| 254 } | 229 } |
| 255 } | 230 } |
| 256 | 231 |
| 257 // static | 232 // static |
| 258 bool ICCProfile::IsValidProfileLength(size_t length) { | 233 bool ICCProfile::IsValidProfileLength(size_t length) { |
| 259 return length >= kMinProfileLength && length <= kMaxProfileLength; | 234 return length >= kMinProfileLength && length <= kMaxProfileLength; |
| 260 } | 235 } |
| 261 | 236 |
| 262 } // namespace gfx | 237 } // namespace gfx |
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