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1 /* | 1 /* |
2 * Copyright 2015 The Android Open Source Project | 2 * Copyright 2015 The Android Open Source Project |
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 "SkData.h" | 8 #include "SkData.h" |
9 #include "SkImageDecoder.h" | 9 #include "SkImageDecoder.h" |
10 #include "SkImageGenerator.h" | 10 #include "SkImageGenerator.h" |
(...skipping 28 matching lines...) Expand all Loading... |
39 | 39 |
40 public: | 40 public: |
41 SkImageDecoderGenerator(const SkImageInfo& info, SkImageDecoder* decoder, Sk
Data* data) | 41 SkImageDecoderGenerator(const SkImageInfo& info, SkImageDecoder* decoder, Sk
Data* data) |
42 : INHERITED(info), fInfo(info), fDecoder(decoder), fData(SkRef(data)) | 42 : INHERITED(info), fInfo(info), fDecoder(decoder), fData(SkRef(data)) |
43 {} | 43 {} |
44 | 44 |
45 protected: | 45 protected: |
46 SkData* onRefEncodedData() override { | 46 SkData* onRefEncodedData() override { |
47 return SkRef(fData.get()); | 47 return SkRef(fData.get()); |
48 } | 48 } |
49 #ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS | |
50 Result onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, | |
51 const Options&, | |
52 SkPMColor ctableEntries[], int* ctableCount) override { | |
53 #else | |
54 bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, | 49 bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, |
55 SkPMColor ctableEntries[], int* ctableCount) override { | 50 SkPMColor ctableEntries[], int* ctableCount) override { |
56 #endif | |
57 SkMemoryStream stream(fData->data(), fData->size(), false); | 51 SkMemoryStream stream(fData->data(), fData->size(), false); |
58 SkAutoTUnref<BareMemoryAllocator> allocator(SkNEW_ARGS(BareMemoryAllocat
or, | 52 SkAutoTUnref<BareMemoryAllocator> allocator(SkNEW_ARGS(BareMemoryAllocat
or, |
59 (info, pixels, ro
wBytes))); | 53 (info, pixels, ro
wBytes))); |
60 fDecoder->setAllocator(allocator); | 54 fDecoder->setAllocator(allocator); |
61 fDecoder->setRequireUnpremultipliedColors(kUnpremul_SkAlphaType == info.
alphaType()); | 55 fDecoder->setRequireUnpremultipliedColors(kUnpremul_SkAlphaType == info.
alphaType()); |
62 | 56 |
63 SkBitmap bm; | 57 SkBitmap bm; |
64 const SkImageDecoder::Result result = fDecoder->decode(&stream, &bm, inf
o.colorType(), | 58 const SkImageDecoder::Result result = fDecoder->decode(&stream, &bm, inf
o.colorType(), |
65 SkImageDecoder::k
DecodePixels_Mode); | 59 SkImageDecoder::k
DecodePixels_Mode); |
66 if (SkImageDecoder::kFailure == result) { | 60 if (SkImageDecoder::kFailure == result) { |
67 #ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS | |
68 return kInvalidInput; | |
69 #else | |
70 return false; | 61 return false; |
71 #endif | |
72 } | 62 } |
73 | 63 |
74 SkASSERT(info.colorType() == bm.info().colorType()); | 64 SkASSERT(info.colorType() == bm.info().colorType()); |
75 | 65 |
76 if (kIndex_8_SkColorType == info.colorType()) { | 66 if (kIndex_8_SkColorType == info.colorType()) { |
77 SkASSERT(ctableEntries); | 67 SkASSERT(ctableEntries); |
78 | 68 |
79 SkColorTable* ctable = bm.getColorTable(); | 69 SkColorTable* ctable = bm.getColorTable(); |
80 if (NULL == ctable) { | 70 if (NULL == ctable) { |
81 #ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS | |
82 return kInvalidConversion; | |
83 #else | |
84 return false; | 71 return false; |
85 #endif | |
86 } | 72 } |
87 const int count = ctable->count(); | 73 const int count = ctable->count(); |
88 memcpy(ctableEntries, ctable->readColors(), count * sizeof(SkPMColor
)); | 74 memcpy(ctableEntries, ctable->readColors(), count * sizeof(SkPMColor
)); |
89 *ctableCount = count; | 75 *ctableCount = count; |
90 } | 76 } |
91 #ifdef SK_LEGACY_IMAGE_GENERATOR_ENUMS_AND_OPTIONS | |
92 if (SkImageDecoder::kPartialSuccess == result) { | |
93 return kIncompleteInput; | |
94 } | |
95 return kSuccess; | |
96 #else | |
97 return true; | 77 return true; |
98 #endif | |
99 } | 78 } |
100 | 79 |
101 bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3], | 80 bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3], |
102 SkYUVColorSpace* colorSpace) override { | 81 SkYUVColorSpace* colorSpace) override { |
103 SkMemoryStream stream(fData->data(), fData->size(), false); | 82 SkMemoryStream stream(fData->data(), fData->size(), false); |
104 return fDecoder->decodeYUV8Planes(&stream, sizes, planes, rowBytes, colo
rSpace); | 83 return fDecoder->decodeYUV8Planes(&stream, sizes, planes, rowBytes, colo
rSpace); |
105 } | 84 } |
106 | 85 |
107 private: | 86 private: |
108 typedef SkImageGenerator INHERITED; | 87 typedef SkImageGenerator INHERITED; |
109 }; | 88 }; |
110 | 89 |
111 SkImageGenerator* SkImageGenerator::NewFromEncodedImpl(SkData* data) { | 90 SkImageGenerator* SkImageGenerator::NewFromEncodedImpl(SkData* data) { |
112 SkMemoryStream stream(data->data(), data->size(), false); | 91 SkMemoryStream stream(data->data(), data->size(), false); |
113 SkImageDecoder* decoder = SkImageDecoder::Factory(&stream); | 92 SkImageDecoder* decoder = SkImageDecoder::Factory(&stream); |
114 if (NULL == decoder) { | 93 if (NULL == decoder) { |
115 return NULL; | 94 return NULL; |
116 } | 95 } |
117 | 96 |
118 SkBitmap bm; | 97 SkBitmap bm; |
119 stream.rewind(); | 98 stream.rewind(); |
120 if (!decoder->decode(&stream, &bm, kUnknown_SkColorType, SkImageDecoder::kDe
codeBounds_Mode)) { | 99 if (!decoder->decode(&stream, &bm, kUnknown_SkColorType, SkImageDecoder::kDe
codeBounds_Mode)) { |
121 SkDELETE(decoder); | 100 SkDELETE(decoder); |
122 return NULL; | 101 return NULL; |
123 } | 102 } |
124 | 103 |
125 return SkNEW_ARGS(SkImageDecoderGenerator, (bm.info(), decoder, data)); | 104 return SkNEW_ARGS(SkImageDecoderGenerator, (bm.info(), decoder, data)); |
126 } | 105 } |
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