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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "SkColorCubeFilter.h" | 8 #include "SkColorCubeFilter.h" |
9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
10 #include "SkOnce.h" | 10 #include "SkOnce.h" |
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41 | 41 |
42 static const int MIN_CUBE_SIZE = 4; | 42 static const int MIN_CUBE_SIZE = 4; |
43 static const int MAX_CUBE_SIZE = 64; | 43 static const int MAX_CUBE_SIZE = 64; |
44 | 44 |
45 static bool is_valid_3D_lut(SkData* cubeData, int cubeDimension) { | 45 static bool is_valid_3D_lut(SkData* cubeData, int cubeDimension) { |
46 size_t minMemorySize = sizeof(uint8_t) * 4 * cubeDimension * cubeDimension *
cubeDimension; | 46 size_t minMemorySize = sizeof(uint8_t) * 4 * cubeDimension * cubeDimension *
cubeDimension; |
47 return (cubeDimension >= MIN_CUBE_SIZE) && (cubeDimension <= MAX_CUBE_SIZE)
&& | 47 return (cubeDimension >= MIN_CUBE_SIZE) && (cubeDimension <= MAX_CUBE_SIZE)
&& |
48 (nullptr != cubeData) && (cubeData->size() >= minMemorySize); | 48 (nullptr != cubeData) && (cubeData->size() >= minMemorySize); |
49 } | 49 } |
50 | 50 |
51 SkColorFilter* SkColorCubeFilter::Create(SkData* cubeData, int cubeDimension) { | 51 sk_sp<SkColorFilter> SkColorCubeFilter::Make(sk_sp<SkData> cubeData, int cubeDim
ension) { |
52 if (!is_valid_3D_lut(cubeData, cubeDimension)) { | 52 if (!is_valid_3D_lut(cubeData.get(), cubeDimension)) { |
53 return nullptr; | 53 return nullptr; |
54 } | 54 } |
55 | 55 |
56 return new SkColorCubeFilter(cubeData, cubeDimension); | 56 return sk_sp<SkColorFilter>(new SkColorCubeFilter(std::move(cubeData), cubeD
imension)); |
57 } | 57 } |
58 | 58 |
59 SkColorCubeFilter::SkColorCubeFilter(SkData* cubeData, int cubeDimension) | 59 SkColorCubeFilter::SkColorCubeFilter(sk_sp<SkData> cubeData, int cubeDimension) |
60 : fCubeData(SkRef(cubeData)) | 60 : fCubeData(std::move(cubeData)) |
61 , fUniqueID(SkNextColorCubeUniqueID()) | 61 , fUniqueID(SkNextColorCubeUniqueID()) |
62 , fCache(cubeDimension) { | 62 , fCache(cubeDimension) |
63 } | 63 {} |
64 | 64 |
65 uint32_t SkColorCubeFilter::getFlags() const { | 65 uint32_t SkColorCubeFilter::getFlags() const { |
66 return this->INHERITED::getFlags() | kAlphaUnchanged_Flag; | 66 return this->INHERITED::getFlags() | kAlphaUnchanged_Flag; |
67 } | 67 } |
68 | 68 |
69 SkColorCubeFilter::ColorCubeProcesingCache::ColorCubeProcesingCache(int cubeDime
nsion) | 69 SkColorCubeFilter::ColorCubeProcesingCache::ColorCubeProcesingCache(int cubeDime
nsion) |
70 : fCubeDimension(cubeDimension) | 70 : fCubeDimension(cubeDimension) |
71 , fLutsInited(false) { | 71 , fLutsInited(false) { |
72 fColorToIndex[0] = fColorToIndex[1] = nullptr; | 72 fColorToIndex[0] = fColorToIndex[1] = nullptr; |
73 fColorToFactors[0] = fColorToFactors[1] = nullptr; | 73 fColorToFactors[0] = fColorToFactors[1] = nullptr; |
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135 colorToFactors, fCache.cubeDimension(), | 135 colorToFactors, fCache.cubeDimension(), |
136 (const SkColor*)fCubeData->data()); | 136 (const SkColor*)fCubeData->data()); |
137 } | 137 } |
138 | 138 |
139 SkFlattenable* SkColorCubeFilter::CreateProc(SkReadBuffer& buffer) { | 139 SkFlattenable* SkColorCubeFilter::CreateProc(SkReadBuffer& buffer) { |
140 int cubeDimension = buffer.readInt(); | 140 int cubeDimension = buffer.readInt(); |
141 auto cubeData(buffer.readByteArrayAsData()); | 141 auto cubeData(buffer.readByteArrayAsData()); |
142 if (!buffer.validate(is_valid_3D_lut(cubeData.get(), cubeDimension))) { | 142 if (!buffer.validate(is_valid_3D_lut(cubeData.get(), cubeDimension))) { |
143 return nullptr; | 143 return nullptr; |
144 } | 144 } |
145 return Create(cubeData.get(), cubeDimension); | 145 return Make(std::move(cubeData), cubeDimension).release(); |
146 } | 146 } |
147 | 147 |
148 void SkColorCubeFilter::flatten(SkWriteBuffer& buffer) const { | 148 void SkColorCubeFilter::flatten(SkWriteBuffer& buffer) const { |
149 this->INHERITED::flatten(buffer); | 149 this->INHERITED::flatten(buffer); |
150 buffer.writeInt(fCache.cubeDimension()); | 150 buffer.writeInt(fCache.cubeDimension()); |
151 buffer.writeDataAsByteArray(fCubeData.get()); | 151 buffer.writeDataAsByteArray(fCubeData.get()); |
152 } | 152 } |
153 | 153 |
154 #ifndef SK_IGNORE_TO_STRING | 154 #ifndef SK_IGNORE_TO_STRING |
155 void SkColorCubeFilter::toString(SkString* str) const { | 155 void SkColorCubeFilter::toString(SkString* str) const { |
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320 if (textureCube) { | 320 if (textureCube) { |
321 context->textureProvider()->assignUniqueKeyToTexture(key, textureCub
e); | 321 context->textureProvider()->assignUniqueKeyToTexture(key, textureCub
e); |
322 } else { | 322 } else { |
323 return nullptr; | 323 return nullptr; |
324 } | 324 } |
325 } | 325 } |
326 | 326 |
327 return GrColorCubeEffect::Create(textureCube); | 327 return GrColorCubeEffect::Create(textureCube); |
328 } | 328 } |
329 #endif | 329 #endif |
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