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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 #include "blimp/client/feature/compositor/decoding_image_generator.h" | 5 #include "blimp/client/feature/compositor/decoding_image_generator.h" |
| 6 | 6 |
| 7 #include "base/numerics/safe_conversions.h" | 7 #include "base/numerics/safe_conversions.h" |
| 8 #include "blimp/common/compositor/webp_decoder.h" | 8 #include "blimp/client/feature/compositor/blimp_image_decoder.h" |
| 9 #include "blimp/common/proto/blob_cache.pb.h" | 9 #include "blimp/common/proto/blob_cache.pb.h" |
| 10 #include "third_party/libwebp/webp/decode.h" | 10 #include "third_party/libwebp/webp/decode.h" |
| 11 #include "third_party/libwebp/webp/demux.h" | 11 #include "third_party/libwebp/webp/demux.h" |
| 12 #include "third_party/skia/include/core/SkData.h" | 12 #include "third_party/skia/include/core/SkData.h" |
| 13 | 13 |
| 14 namespace blimp { | 14 namespace blimp { |
| 15 namespace client { | 15 namespace client { |
| 16 | 16 |
| 17 SkImageGenerator* DecodingImageGenerator::create(SkData* data) { | 17 SkImageGenerator* DecodingImageGenerator::create(SkData* data) { |
| 18 BlobCacheImageMetadata parsed_metadata; | 18 BlobCacheImageMetadata parsed_metadata; |
| 19 int signed_size = base::checked_cast<int>(data->size()); | 19 int signed_size = base::checked_cast<int>(data->size()); |
| 20 if (!parsed_metadata.ParseFromArray(data->data(), signed_size)) { | 20 if (!parsed_metadata.ParseFromArray(data->data(), signed_size)) { |
| 21 // Failed to parse proto, so will fail to decode later as well. Inform | 21 // Failed to parse proto, so will fail to decode later as well. Inform |
| 22 // Skia by giving back an empty SkImageInfo. | 22 // Skia by giving back an empty SkImageInfo. |
| 23 return new DecodingImageGenerator(SkImageInfo::MakeN32Premul(0, 0), | 23 return new DecodingImageGenerator(SkImageInfo::MakeN32Premul(0, 0), |
| 24 data->data(), data->size()); | 24 data->data(), data->size()); |
| 25 } | 25 } |
| 26 | 26 |
| 27 return new DecodingImageGenerator( | 27 return new DecodingImageGenerator( |
| 28 SkImageInfo::MakeN32Premul(parsed_metadata.width(), | 28 SkImageInfo::MakeN32Premul(parsed_metadata.width(), |
| 29 parsed_metadata.height()), | 29 parsed_metadata.height()), |
| 30 data->data(), data->size()); | 30 data->data(), data->size()); |
| 31 } | 31 } |
| 32 | 32 |
| 33 DecodingImageGenerator::DecodingImageGenerator(const SkImageInfo info, | 33 DecodingImageGenerator::DecodingImageGenerator(const SkImageInfo info, |
| 34 const void* data, | 34 const void* data, |
| 35 size_t size) | 35 size_t size) |
| 36 : SkImageGenerator(info) { | 36 : SkImageGenerator(info) { |
| 37 WebPDecoder(data, size, &decoded_bitmap_); | 37 BlimpImageDecoder(data, size, &decoded_bitmap_); |
| 38 } | 38 } |
| 39 | 39 |
| 40 DecodingImageGenerator::~DecodingImageGenerator() {} | 40 DecodingImageGenerator::~DecodingImageGenerator() {} |
| 41 | 41 |
| 42 bool DecodingImageGenerator::onGetPixels(const SkImageInfo& info, | 42 bool DecodingImageGenerator::onGetPixels(const SkImageInfo& info, |
| 43 void* pixels, | 43 void* pixels, |
| 44 size_t rowBytes, | 44 size_t rowBytes, |
| 45 SkPMColor table[], | 45 SkPMColor table[], |
| 46 int* tableCount) { | 46 int* tableCount) { |
| 47 SkAutoLockPixels bitmapLock(decoded_bitmap_); | 47 SkAutoLockPixels bitmapLock(decoded_bitmap_); |
| 48 if (decoded_bitmap_.getPixels() != pixels) { | 48 if (decoded_bitmap_.getPixels() != pixels) { |
| 49 return decoded_bitmap_.copyPixelsTo(pixels, rowBytes * info.height(), | 49 return decoded_bitmap_.copyPixelsTo(pixels, rowBytes * info.height(), |
| 50 rowBytes); | 50 rowBytes); |
| 51 } | 51 } |
| 52 return true; | 52 return true; |
| 53 } | 53 } |
| 54 | 54 |
| 55 bool DecodingImageGenerator::onQueryYUV8(SkYUVSizeInfo* sizeInfo, | 55 bool DecodingImageGenerator::onQueryYUV8(SkYUVSizeInfo* sizeInfo, |
| 56 SkYUVColorSpace* colorSpace) const { | 56 SkYUVColorSpace* colorSpace) const { |
| 57 return false; | 57 return false; |
| 58 } | 58 } |
| 59 | 59 |
| 60 bool DecodingImageGenerator::onGetYUV8Planes(const SkYUVSizeInfo& sizeInfo, | 60 bool DecodingImageGenerator::onGetYUV8Planes(const SkYUVSizeInfo& sizeInfo, |
| 61 void* planes[3]) { | 61 void* planes[3]) { |
| 62 return false; | 62 return false; |
| 63 } | 63 } |
| 64 | 64 |
| 65 } // namespace client | 65 } // namespace client |
| 66 } // namespace blimp | 66 } // namespace blimp |
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