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| 1 /* | 1 /* |
| 2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 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 #include "SkImageInfo.h" | 8 #include "SkImageInfo.h" |
| 9 #include "SkImageInfoPriv.h" | |
| 10 #include "SkReadBuffer.h" | 9 #include "SkReadBuffer.h" |
| 11 #include "SkWriteBuffer.h" | 10 #include "SkWriteBuffer.h" |
| 12 | 11 |
| 13 /* | 12 /* |
| 14 * We store this as a byte in the ImageInfo flatten buffer. | 13 * We store this as a byte in the ImageInfo flatten buffer. |
| 15 */ | 14 */ |
| 16 enum class SkFlattenColorSpaceEnum { | 15 enum class SkFlattenColorSpaceEnum { |
| 17 kUnspecified, | 16 kUnspecified, |
| 18 kSRGB, | 17 kSRGB, |
| 19 kAdobe1998, | 18 kAdobe1998, |
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| 54 | 53 |
| 55 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | 54 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
| 56 | 55 |
| 57 #ifdef SK_SUPPORT_LEGACY_COLORPROFILETYPE | 56 #ifdef SK_SUPPORT_LEGACY_COLORPROFILETYPE |
| 58 SkColorProfileType SkImageInfo::profileType() const { | 57 SkColorProfileType SkImageInfo::profileType() const { |
| 59 return fColorSpace && fColorSpace->gammaCloseToSRGB() | 58 return fColorSpace && fColorSpace->gammaCloseToSRGB() |
| 60 ? kSRGB_SkColorProfileType : kLinear_SkColorProfileType; | 59 ? kSRGB_SkColorProfileType : kLinear_SkColorProfileType; |
| 61 } | 60 } |
| 62 #endif | 61 #endif |
| 63 | 62 |
| 64 // Indicate how images and gradients should interpret colors by default. | |
| 65 bool gDefaultProfileIsSRGB; | |
| 66 | |
| 67 SkColorProfileType SkDefaultColorProfile() { | |
| 68 return gDefaultProfileIsSRGB ? kSRGB_SkColorProfileType | |
| 69 : kLinear_SkColorProfileType; | |
| 70 } | |
| 71 | |
| 72 static bool alpha_type_is_valid(SkAlphaType alphaType) { | 63 static bool alpha_type_is_valid(SkAlphaType alphaType) { |
| 73 return (alphaType >= 0) && (alphaType <= kLastEnum_SkAlphaType); | 64 return (alphaType >= 0) && (alphaType <= kLastEnum_SkAlphaType); |
| 74 } | 65 } |
| 75 | 66 |
| 76 static bool color_type_is_valid(SkColorType colorType) { | 67 static bool color_type_is_valid(SkColorType colorType) { |
| 77 return (colorType >= 0) && (colorType <= kLastEnum_SkColorType); | 68 return (colorType >= 0) && (colorType <= kLastEnum_SkColorType); |
| 78 } | 69 } |
| 79 | 70 |
| 80 SkImageInfo SkImageInfo::MakeS32(int width, int height, SkAlphaType at) { | 71 SkImageInfo SkImageInfo::MakeS32(int width, int height, SkAlphaType at) { |
| 81 return SkImageInfo(width, height, kN32_SkColorType, at, | 72 return SkImageInfo(width, height, kN32_SkColorType, at, |
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| 195 } | 186 } |
| 196 // here x,y are either 0 or negative | 187 // here x,y are either 0 or negative |
| 197 fPixels = ((char*)fPixels - y * fRowBytes - x * fInfo.bytesPerPixel()); | 188 fPixels = ((char*)fPixels - y * fRowBytes - x * fInfo.bytesPerPixel()); |
| 198 // the intersect may have shrunk info's logical size | 189 // the intersect may have shrunk info's logical size |
| 199 fInfo = fInfo.makeWH(srcR.width(), srcR.height()); | 190 fInfo = fInfo.makeWH(srcR.width(), srcR.height()); |
| 200 fX = srcR.x(); | 191 fX = srcR.x(); |
| 201 fY = srcR.y(); | 192 fY = srcR.y(); |
| 202 | 193 |
| 203 return true; | 194 return true; |
| 204 } | 195 } |
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