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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 #ifndef UI_GFX_COLOR_SPACE_H_ | 5 #ifndef UI_GFX_COLOR_SPACE_H_ |
6 #define UI_GFX_COLOR_SPACE_H_ | 6 #define UI_GFX_COLOR_SPACE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "base/gtest_prod_util.h" | 10 #include "base/gtest_prod_util.h" |
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171 bool IsHDR() const; | 171 bool IsHDR() const; |
172 | 172 |
173 // Note that this may return nullptr. | 173 // Note that this may return nullptr. |
174 sk_sp<SkColorSpace> ToSkColorSpace() const; | 174 sk_sp<SkColorSpace> ToSkColorSpace() const; |
175 static ColorSpace FromSkColorSpace(const sk_sp<SkColorSpace>& sk_color_space); | 175 static ColorSpace FromSkColorSpace(const sk_sp<SkColorSpace>& sk_color_space); |
176 | 176 |
177 void GetPrimaryMatrix(SkMatrix44* to_XYZD50) const; | 177 void GetPrimaryMatrix(SkMatrix44* to_XYZD50) const; |
178 bool GetTransferFunction(SkColorSpaceTransferFn* fn) const; | 178 bool GetTransferFunction(SkColorSpaceTransferFn* fn) const; |
179 bool GetInverseTransferFunction(SkColorSpaceTransferFn* fn) const; | 179 bool GetInverseTransferFunction(SkColorSpaceTransferFn* fn) const; |
180 | 180 |
| 181 // For most formats, this is the RGB to YUV matrix. |
| 182 void GetTransferMatrix(SkMatrix44* matrix) const; |
| 183 void GetRangeAdjustMatrix(SkMatrix44* matrix) const; |
| 184 |
181 private: | 185 private: |
182 PrimaryID primaries_ = PrimaryID::UNSPECIFIED; | 186 PrimaryID primaries_ = PrimaryID::UNSPECIFIED; |
183 TransferID transfer_ = TransferID::UNSPECIFIED; | 187 TransferID transfer_ = TransferID::UNSPECIFIED; |
184 MatrixID matrix_ = MatrixID::UNSPECIFIED; | 188 MatrixID matrix_ = MatrixID::UNSPECIFIED; |
185 RangeID range_ = RangeID::LIMITED; | 189 RangeID range_ = RangeID::LIMITED; |
186 | 190 |
187 // Only used if primaries_ is PrimaryID::CUSTOM. | 191 // Only used if primaries_ is PrimaryID::CUSTOM. |
188 float custom_primary_matrix_[9] = {0, 0, 0, 0, 0, 0, 0, 0}; | 192 float custom_primary_matrix_[9] = {0, 0, 0, 0, 0, 0, 0, 0}; |
189 | 193 |
190 // Only used if transfer_ is TransferID::CUSTOM. This array consists of the A | 194 // Only used if transfer_ is TransferID::CUSTOM. This array consists of the A |
191 // through G entries of the SkColorSpaceTransferFn structure in alphabetical | 195 // through G entries of the SkColorSpaceTransferFn structure in alphabetical |
192 // order. | 196 // order. |
193 float custom_transfer_params_[7] = {0, 0, 0, 0, 0, 0, 0}; | 197 float custom_transfer_params_[7] = {0, 0, 0, 0, 0, 0, 0}; |
194 | 198 |
195 // This is used to look up the ICCProfile from which this ColorSpace was | 199 // This is used to look up the ICCProfile from which this ColorSpace was |
196 // created, if possible. | 200 // created, if possible. |
197 uint64_t icc_profile_id_ = 0; | 201 uint64_t icc_profile_id_ = 0; |
198 sk_sp<SkColorSpace> icc_profile_sk_color_space_; | 202 sk_sp<SkColorSpace> icc_profile_sk_color_space_; |
199 | 203 |
200 friend class ICCProfile; | 204 friend class ICCProfile; |
201 friend class ColorSpaceToColorSpaceTransform; | 205 friend class ColorSpaceToColorSpaceTransform; |
202 friend class ColorSpaceWin; | 206 friend class ColorSpaceWin; |
203 friend struct IPC::ParamTraits<gfx::ColorSpace>; | 207 friend struct IPC::ParamTraits<gfx::ColorSpace>; |
204 FRIEND_TEST_ALL_PREFIXES(SimpleColorSpace, GetColorSpace); | 208 FRIEND_TEST_ALL_PREFIXES(SimpleColorSpace, GetColorSpace); |
205 }; | 209 }; |
206 | 210 |
207 } // namespace gfx | 211 } // namespace gfx |
208 | 212 |
209 #endif // UI_GFX_COLOR_SPACE_H_ | 213 #endif // UI_GFX_COLOR_SPACE_H_ |
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