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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkImageInfo_DEFINED | 8 #ifndef SkImageInfo_DEFINED |
9 #define SkImageInfo_DEFINED | 9 #define SkImageInfo_DEFINED |
10 | 10 |
11 #include "SkColorSpace.h" | 11 #include "SkColorSpace.h" |
12 #include "SkMath.h" | 12 #include "SkMath.h" |
13 #include "SkRect.h" | 13 #include "SkRect.h" |
14 #include "SkSize.h" | 14 #include "SkSize.h" |
15 | 15 |
16 #define SK_SUPPORT_LEGACY_COLORPROFILETYPE | |
17 | |
18 class SkReadBuffer; | 16 class SkReadBuffer; |
19 class SkWriteBuffer; | 17 class SkWriteBuffer; |
20 | 18 |
21 /** | 19 /** |
22 * Describes how to interpret the alpha component of a pixel. | 20 * Describes how to interpret the alpha component of a pixel. |
23 */ | 21 */ |
24 enum SkAlphaType { | 22 enum SkAlphaType { |
25 kUnknown_SkAlphaType, | 23 kUnknown_SkAlphaType, |
26 | 24 |
27 /** | 25 /** |
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213 } | 211 } |
214 | 212 |
215 /** | 213 /** |
216 * Create an ImageInfo marked as SRGB with N32 swizzle. | 214 * Create an ImageInfo marked as SRGB with N32 swizzle. |
217 */ | 215 */ |
218 static SkImageInfo MakeS32(int width, int height, SkAlphaType at); | 216 static SkImageInfo MakeS32(int width, int height, SkAlphaType at); |
219 | 217 |
220 /** | 218 /** |
221 * Sets colortype to the native ARGB32 type, and the alphatype to premul. | 219 * Sets colortype to the native ARGB32 type, and the alphatype to premul. |
222 */ | 220 */ |
223 static SkImageInfo MakeN32Premul(int width, int height) { | 221 static SkImageInfo MakeN32Premul(int width, int height, sk_sp<SkColorSpace>
cs = nullptr) { |
224 return Make(width, height, kN32_SkColorType, kPremul_SkAlphaType, nullpt
r); | 222 return Make(width, height, kN32_SkColorType, kPremul_SkAlphaType, cs); |
225 } | 223 } |
226 | 224 |
227 static SkImageInfo MakeN32Premul(const SkISize& size) { | 225 static SkImageInfo MakeN32Premul(const SkISize& size) { |
228 return MakeN32Premul(size.width(), size.height()); | 226 return MakeN32Premul(size.width(), size.height()); |
229 } | 227 } |
230 | 228 |
231 static SkImageInfo MakeA8(int width, int height) { | 229 static SkImageInfo MakeA8(int width, int height) { |
232 return Make(width, height, kAlpha_8_SkColorType, kPremul_SkAlphaType, nu
llptr); | 230 return Make(width, height, kAlpha_8_SkColorType, kPremul_SkAlphaType, nu
llptr); |
233 } | 231 } |
234 | 232 |
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398 // Anything with a color-space attached is gamma-correct, as is F16. | 396 // Anything with a color-space attached is gamma-correct, as is F16. |
399 // To get legacy behavior, you need to ask for non-F16, with a nullptr color
space. | 397 // To get legacy behavior, you need to ask for non-F16, with a nullptr color
space. |
400 return (cs != nullptr) || kRGBA_F16_SkColorType == ct; | 398 return (cs != nullptr) || kRGBA_F16_SkColorType == ct; |
401 } | 399 } |
402 | 400 |
403 static inline bool SkImageInfoIsGammaCorrect(const SkImageInfo& info) { | 401 static inline bool SkImageInfoIsGammaCorrect(const SkImageInfo& info) { |
404 return SkColorAndColorSpaceAreGammaCorrect(info.colorType(), info.colorSpace
()); | 402 return SkColorAndColorSpaceAreGammaCorrect(info.colorType(), info.colorSpace
()); |
405 } | 403 } |
406 | 404 |
407 #endif | 405 #endif |
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