| /* |
| * Copyright 2023 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/codec/SkAndroidCodec.h" |
| #include "include/codec/SkCodec.h" |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkTypes.h" |
| #include "include/private/SkGainmapInfo.h" |
| #include "src/codec/SkJpegMultiPicture.h" |
| #include "src/codec/SkJpegSegmentScan.h" |
| #include "tests/Test.h" |
| #include "tools/Resources.h" |
| |
| #include <cstdint> |
| #include <cstring> |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| DEF_TEST(Codec_jpegSegmentScan, r) { |
| const struct Rec { |
| const char* path; |
| size_t sosSegmentCount; |
| size_t eoiSegmentCount; |
| size_t testSegmentIndex; |
| uint8_t testSegmentMarker; |
| size_t testSegmentOffset; |
| uint16_t testSegmentParameterLength; |
| } recs[] = { |
| {"images/wide_gamut_yellow_224_224_64.jpeg", 11, 15, 10, 0xda, 9768, 12}, |
| {"images/CMYK.jpg", 7, 8, 1, 0xee, 2, 14}, |
| {"images/b78329453.jpeg", 10, 23, 3, 0xe2, 154, 540}, |
| {"images/brickwork-texture.jpg", 8, 28, 12, 0xc4, 34183, 42}, |
| {"images/brickwork_normal-map.jpg", 8, 28, 27, 0xd9, 180612, 0}, |
| {"images/cmyk_yellow_224_224_32.jpg", 19, 23, 2, 0xed, 854, 2828}, |
| {"images/color_wheel.jpg", 10, 11, 2, 0xdb, 20, 67}, |
| {"images/cropped_mandrill.jpg", 10, 11, 4, 0xc0, 158, 17}, |
| {"images/dog.jpg", 10, 11, 5, 0xc4, 177, 28}, |
| {"images/ducky.jpg", 12, 13, 10, 0xc4, 3718, 181}, |
| {"images/exif-orientation-2-ur.jpg", 11, 12, 2, 0xe1, 20, 130}, |
| {"images/flutter_logo.jpg", 9, 27, 21, 0xda, 5731, 8}, |
| {"images/grayscale.jpg", 6, 16, 9, 0xda, 327, 8}, |
| {"images/icc-v2-gbr.jpg", 12, 25, 24, 0xd9, 43832, 0}, |
| {"images/mandrill_512_q075.jpg", 10, 11, 7, 0xc4, 393, 31}, |
| {"images/mandrill_cmyk.jpg", 19, 35, 16, 0xdd, 574336, 4}, |
| {"images/mandrill_h1v1.jpg", 10, 11, 1, 0xe0, 2, 16}, |
| {"images/mandrill_h2v1.jpg", 10, 11, 0, 0xd8, 0, 0}, |
| {"images/randPixels.jpg", 10, 11, 6, 0xc4, 200, 30}, |
| {"images/wide_gamut_yellow_224_224_64.jpeg", 11, 15, 10, 0xda, 9768, 12}, |
| }; |
| |
| for (const auto& rec : recs) { |
| auto stream = GetResourceAsStream(rec.path); |
| if (!stream) { |
| continue; |
| } |
| |
| // Ensure that we get the expected number of segments for a scan that stops at StartOfScan. |
| auto sosSegmentScan = SkJpegSeekableScan::Create(stream.get()); |
| REPORTER_ASSERT(r, rec.sosSegmentCount == sosSegmentScan->segments().size()); |
| |
| // Rewind and now go all the way to EndOfImage. |
| stream->rewind(); |
| auto eoiSegmentScan = |
| SkJpegSeekableScan::Create(stream.get(), SkJpegSegmentScanner::kMarkerEndOfImage); |
| REPORTER_ASSERT(r, rec.eoiSegmentCount == eoiSegmentScan->segments().size()); |
| |
| // Verify the values for a randomly pre-selected segment index. |
| const auto& segment = eoiSegmentScan->segments()[rec.testSegmentIndex]; |
| REPORTER_ASSERT(r, rec.testSegmentMarker == segment.marker); |
| REPORTER_ASSERT(r, rec.testSegmentOffset == segment.offset); |
| REPORTER_ASSERT(r, rec.testSegmentParameterLength == segment.parameterLength); |
| } |
| } |
| |
| DEF_TEST(Codec_jpegMultiPicture, r) { |
| const char* path = "images/iphone_13_pro.jpeg"; |
| auto stream = GetResourceAsStream(path); |
| REPORTER_ASSERT(r, stream); |
| |
| auto segmentScan = SkJpegSeekableScan::Create(stream.get()); |
| REPORTER_ASSERT(r, segmentScan); |
| |
| // Extract the streams for the MultiPicture images. |
| auto mpStreams = SkJpegExtractMultiPictureStreams(segmentScan.get()); |
| REPORTER_ASSERT(r, mpStreams); |
| size_t numberOfImages = mpStreams->images.size(); |
| |
| // Decode them into bitmaps. |
| std::vector<SkBitmap> bitmaps(numberOfImages); |
| for (size_t i = 0; i < numberOfImages; ++i) { |
| auto imageStream = std::move(mpStreams->images[i].stream); |
| if (i == 0) { |
| REPORTER_ASSERT(r, !imageStream); |
| continue; |
| } |
| REPORTER_ASSERT(r, imageStream); |
| |
| std::unique_ptr<SkCodec> codec = SkCodec::MakeFromStream(std::move(imageStream)); |
| REPORTER_ASSERT(r, codec); |
| |
| SkBitmap bm; |
| bm.allocPixels(codec->getInfo()); |
| REPORTER_ASSERT( |
| r, SkCodec::kSuccess == codec->getPixels(bm.info(), bm.getPixels(), bm.rowBytes())); |
| bitmaps[i] = bm; |
| } |
| |
| // Spot-check the image size and pixels. |
| REPORTER_ASSERT(r, bitmaps[1].dimensions() == SkISize::Make(1512, 2016)); |
| REPORTER_ASSERT(r, bitmaps[1].getColor(0, 0) == 0xFF3B3B3B); |
| REPORTER_ASSERT(r, bitmaps[1].getColor(1511, 2015) == 0xFF101010); |
| REPORTER_ASSERT(r, bitmaps[2].dimensions() == SkISize::Make(576, 768)); |
| REPORTER_ASSERT(r, bitmaps[2].getColor(0, 0) == 0xFF010101); |
| REPORTER_ASSERT(r, bitmaps[2].getColor(575, 767) == 0xFFB5B5B5); |
| } |
| |
| DEF_TEST(AndroidCodec_jpegGainmap, r) { |
| const struct Rec { |
| const char* path; |
| SkISize dimensions; |
| SkColor originColor; |
| SkColor farCornerColor; |
| float logRatioMin; |
| float logRatioMax; |
| float hdrRatioMin; |
| float hdrRatioMax; |
| SkGainmapInfo::Type type; |
| } recs[] = { |
| {"images/iphone_13_pro.jpeg", |
| SkISize::Make(1512, 2016), |
| 0xFF3B3B3B, |
| 0xFF101010, |
| 0.f, |
| 1.f, |
| 1.f, |
| 2.71828f, |
| SkGainmapInfo::Type::kMultiPicture}, |
| {"images/jpegr.jpg", |
| SkISize::Make(1008, 756), |
| 0xFFCACACA, |
| 0xFFC8C8C8, |
| -2.3669f, |
| 2.3669f, |
| 1.f, |
| 10.6643f, |
| SkGainmapInfo::Type::kJpegR_HLG}, |
| {"images/hdrgm.jpg", |
| SkISize::Make(188, 250), |
| 0xFFE9E9E9, |
| 0xFFAAAAAA, |
| -2.209409f, |
| 2.209409f, |
| 1.f, |
| 9.110335f, |
| SkGainmapInfo::Type::kHDRGM}, |
| }; |
| |
| for (bool useFileStream : {false, true}) { |
| for (const auto& rec : recs) { |
| auto stream = GetResourceAsStream(rec.path, useFileStream); |
| REPORTER_ASSERT(r, stream); |
| |
| std::unique_ptr<SkCodec> codec = SkCodec::MakeFromStream(std::move(stream)); |
| REPORTER_ASSERT(r, codec); |
| |
| std::unique_ptr<SkAndroidCodec> androidCodec = |
| SkAndroidCodec::MakeFromCodec(std::move(codec)); |
| REPORTER_ASSERT(r, androidCodec); |
| |
| SkGainmapInfo gainmapInfo; |
| std::unique_ptr<SkStream> gainmapStream; |
| REPORTER_ASSERT(r, androidCodec->getAndroidGainmap(&gainmapInfo, &gainmapStream)); |
| REPORTER_ASSERT(r, gainmapStream); |
| |
| std::unique_ptr<SkCodec> gainmapCodec = |
| SkCodec::MakeFromStream(std::move(gainmapStream)); |
| REPORTER_ASSERT(r, gainmapCodec); |
| |
| SkBitmap bm; |
| bm.allocPixels(gainmapCodec->getInfo()); |
| REPORTER_ASSERT(r, |
| SkCodec::kSuccess == gainmapCodec->getPixels( |
| bm.info(), bm.getPixels(), bm.rowBytes())); |
| |
| // Spot-check the image size and pixels. |
| REPORTER_ASSERT(r, bm.dimensions() == rec.dimensions); |
| REPORTER_ASSERT(r, bm.getColor(0, 0) == rec.originColor); |
| REPORTER_ASSERT(r, |
| bm.getColor(rec.dimensions.fWidth - 1, rec.dimensions.fHeight - 1) == |
| rec.farCornerColor); |
| |
| // Verify the gainmap rendering parameters. |
| auto approxEq = [=](float x, float y) { return std::abs(x - y) < 1e-3f; }; |
| |
| REPORTER_ASSERT(r, approxEq(gainmapInfo.fLogRatioMin.fR, rec.logRatioMin)); |
| REPORTER_ASSERT(r, approxEq(gainmapInfo.fLogRatioMin.fG, rec.logRatioMin)); |
| REPORTER_ASSERT(r, approxEq(gainmapInfo.fLogRatioMin.fB, rec.logRatioMin)); |
| |
| REPORTER_ASSERT(r, approxEq(gainmapInfo.fLogRatioMax.fR, rec.logRatioMax)); |
| REPORTER_ASSERT(r, approxEq(gainmapInfo.fLogRatioMax.fG, rec.logRatioMax)); |
| REPORTER_ASSERT(r, approxEq(gainmapInfo.fLogRatioMax.fB, rec.logRatioMax)); |
| |
| REPORTER_ASSERT(r, approxEq(gainmapInfo.fHdrRatioMin, rec.hdrRatioMin)); |
| REPORTER_ASSERT(r, approxEq(gainmapInfo.fHdrRatioMax, rec.hdrRatioMax)); |
| |
| REPORTER_ASSERT(r, gainmapInfo.fType == rec.type); |
| } |
| } |
| } |