msarett | edd2dcf | 2016-01-14 13:12:26 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "SkCodecImageGenerator.h" |
Mike Reed | 185130c | 2017-02-15 15:14:16 -0500 | [diff] [blame] | 9 | #include "SkMakeUnique.h" |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 10 | #include "SkPixmapPriv.h" |
Jim Van Verth | 8f11e43 | 2018-10-18 14:36:59 -0400 | [diff] [blame] | 11 | #include "SkYUVAIndex.h" |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 12 | |
Mike Reed | 185130c | 2017-02-15 15:14:16 -0500 | [diff] [blame] | 13 | std::unique_ptr<SkImageGenerator> SkCodecImageGenerator::MakeFromEncodedCodec(sk_sp<SkData> data) { |
Mike Reed | ede7bac | 2017-07-23 15:30:02 -0400 | [diff] [blame] | 14 | auto codec = SkCodec::MakeFromData(data); |
msarett | edd2dcf | 2016-01-14 13:12:26 -0800 | [diff] [blame] | 15 | if (nullptr == codec) { |
| 16 | return nullptr; |
| 17 | } |
| 18 | |
Mike Reed | ede7bac | 2017-07-23 15:30:02 -0400 | [diff] [blame] | 19 | return std::unique_ptr<SkImageGenerator>(new SkCodecImageGenerator(std::move(codec), data)); |
msarett | edd2dcf | 2016-01-14 13:12:26 -0800 | [diff] [blame] | 20 | } |
| 21 | |
Florin Malita | f8776c2 | 2018-11-06 19:16:28 -0500 | [diff] [blame] | 22 | std::unique_ptr<SkImageGenerator> |
| 23 | SkCodecImageGenerator::MakeFromCodec(std::unique_ptr<SkCodec> codec) { |
| 24 | return codec |
| 25 | ? std::unique_ptr<SkImageGenerator>(new SkCodecImageGenerator(std::move(codec), nullptr)) |
| 26 | : nullptr; |
| 27 | } |
| 28 | |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 29 | static SkImageInfo adjust_info(SkCodec* codec) { |
| 30 | SkImageInfo info = codec->getInfo(); |
brianosman | 0370712 | 2016-04-21 08:48:18 -0700 | [diff] [blame] | 31 | if (kUnpremul_SkAlphaType == info.alphaType()) { |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 32 | info = info.makeAlphaType(kPremul_SkAlphaType); |
herb | 4d1061c | 2016-04-15 12:57:42 -0700 | [diff] [blame] | 33 | } |
Leon Scroggins III | 0cbc10f | 2017-10-30 09:07:53 -0400 | [diff] [blame] | 34 | if (SkPixmapPriv::ShouldSwapWidthHeight(codec->getOrigin())) { |
| 35 | info = SkPixmapPriv::SwapWidthHeight(info); |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 36 | } |
| 37 | return info; |
msarett | b714fb0 | 2016-01-22 14:46:42 -0800 | [diff] [blame] | 38 | } |
| 39 | |
Mike Reed | ede7bac | 2017-07-23 15:30:02 -0400 | [diff] [blame] | 40 | SkCodecImageGenerator::SkCodecImageGenerator(std::unique_ptr<SkCodec> codec, sk_sp<SkData> data) |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 41 | : INHERITED(adjust_info(codec.get())) |
Mike Reed | ede7bac | 2017-07-23 15:30:02 -0400 | [diff] [blame] | 42 | , fCodec(std::move(codec)) |
reed | 42943c8 | 2016-09-12 12:01:44 -0700 | [diff] [blame] | 43 | , fData(std::move(data)) |
msarett | edd2dcf | 2016-01-14 13:12:26 -0800 | [diff] [blame] | 44 | {} |
| 45 | |
Ben Wagner | bdf5433 | 2018-05-15 14:12:14 -0400 | [diff] [blame] | 46 | sk_sp<SkData> SkCodecImageGenerator::onRefEncodedData() { |
| 47 | return fData; |
| 48 | } |
msarett | edd2dcf | 2016-01-14 13:12:26 -0800 | [diff] [blame] | 49 | |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 50 | bool SkCodecImageGenerator::onGetPixels(const SkImageInfo& requestInfo, void* requestPixels, |
Brian Osman | c87cfb6 | 2018-07-11 09:08:46 -0400 | [diff] [blame] | 51 | size_t requestRowBytes, const Options&) { |
Leon Scroggins III | 0cbc10f | 2017-10-30 09:07:53 -0400 | [diff] [blame] | 52 | SkPixmap dst(requestInfo, requestPixels, requestRowBytes); |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 53 | |
Brian Osman | c87cfb6 | 2018-07-11 09:08:46 -0400 | [diff] [blame] | 54 | auto decode = [this](const SkPixmap& pm) { |
Brian Osman | b62f50c | 2018-07-12 14:44:27 -0400 | [diff] [blame] | 55 | SkCodec::Result result = fCodec->getPixels(pm); |
Leon Scroggins III | 0cbc10f | 2017-10-30 09:07:53 -0400 | [diff] [blame] | 56 | switch (result) { |
| 57 | case SkCodec::kSuccess: |
| 58 | case SkCodec::kIncompleteInput: |
| 59 | case SkCodec::kErrorInInput: |
| 60 | return true; |
| 61 | default: |
| 62 | return false; |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 63 | } |
Leon Scroggins III | 0cbc10f | 2017-10-30 09:07:53 -0400 | [diff] [blame] | 64 | }; |
Mike Reed | 4379869 | 2017-10-17 18:04:32 +0000 | [diff] [blame] | 65 | |
Leon Scroggins III | 0cbc10f | 2017-10-30 09:07:53 -0400 | [diff] [blame] | 66 | return SkPixmapPriv::Orient(dst, fCodec->getOrigin(), decode); |
msarett | edd2dcf | 2016-01-14 13:12:26 -0800 | [diff] [blame] | 67 | } |
| 68 | |
Jim Van Verth | e24b587 | 2018-10-29 16:26:02 -0400 | [diff] [blame] | 69 | bool SkCodecImageGenerator::onQueryYUVA8(SkYUVASizeInfo* sizeInfo, |
Jim Van Verth | 8f11e43 | 2018-10-18 14:36:59 -0400 | [diff] [blame] | 70 | SkYUVAIndex yuvaIndices[SkYUVAIndex::kIndexCount], |
| 71 | SkYUVColorSpace* colorSpace) const { |
| 72 | // This image generator always returns 3 separate non-interleaved planes |
| 73 | yuvaIndices[SkYUVAIndex::kY_Index].fIndex = 0; |
| 74 | yuvaIndices[SkYUVAIndex::kY_Index].fChannel = SkColorChannel::kR; |
| 75 | yuvaIndices[SkYUVAIndex::kU_Index].fIndex = 1; |
| 76 | yuvaIndices[SkYUVAIndex::kU_Index].fChannel = SkColorChannel::kR; |
| 77 | yuvaIndices[SkYUVAIndex::kV_Index].fIndex = 2; |
| 78 | yuvaIndices[SkYUVAIndex::kV_Index].fChannel = SkColorChannel::kR; |
| 79 | yuvaIndices[SkYUVAIndex::kA_Index].fIndex = -1; |
| 80 | yuvaIndices[SkYUVAIndex::kA_Index].fChannel = SkColorChannel::kR; |
| 81 | |
msarett | 4984c3c | 2016-03-10 05:44:43 -0800 | [diff] [blame] | 82 | return fCodec->queryYUV8(sizeInfo, colorSpace); |
| 83 | } |
msarett | b714fb0 | 2016-01-22 14:46:42 -0800 | [diff] [blame] | 84 | |
Jim Van Verth | e24b587 | 2018-10-29 16:26:02 -0400 | [diff] [blame] | 85 | bool SkCodecImageGenerator::onGetYUVA8Planes(const SkYUVASizeInfo& sizeInfo, |
Jim Van Verth | 8f11e43 | 2018-10-18 14:36:59 -0400 | [diff] [blame] | 86 | const SkYUVAIndex indices[SkYUVAIndex::kIndexCount], |
| 87 | void* planes[]) { |
msarett | b714fb0 | 2016-01-22 14:46:42 -0800 | [diff] [blame] | 88 | SkCodec::Result result = fCodec->getYUV8Planes(sizeInfo, planes); |
Jim Van Verth | 8f11e43 | 2018-10-18 14:36:59 -0400 | [diff] [blame] | 89 | // TODO: check indices |
msarett | b714fb0 | 2016-01-22 14:46:42 -0800 | [diff] [blame] | 90 | |
| 91 | switch (result) { |
| 92 | case SkCodec::kSuccess: |
| 93 | case SkCodec::kIncompleteInput: |
Leon Scroggins III | 674a184 | 2017-07-06 12:26:09 -0400 | [diff] [blame] | 94 | case SkCodec::kErrorInInput: |
msarett | b714fb0 | 2016-01-22 14:46:42 -0800 | [diff] [blame] | 95 | return true; |
| 96 | default: |
| 97 | return false; |
| 98 | } |
msarett | edd2dcf | 2016-01-14 13:12:26 -0800 | [diff] [blame] | 99 | } |