blob: e63bc1cece246589ee3286774c8714277bc12bf6 [file] [log] [blame]
/*
* 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/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkImageEncoder.h"
#include "include/core/SkShader.h"
#include "include/core/SkSize.h"
#include "include/core/SkStream.h"
#include "include/core/SkTypes.h"
#include "include/encode/SkJpegEncoder.h"
#include "include/private/SkGainmapInfo.h"
#include "include/private/SkGainmapShader.h"
#include "include/private/SkJpegGainmapEncoder.h"
#include "src/codec/SkJpegCodec.h"
#include "src/codec/SkJpegConstants.h"
#include "src/codec/SkJpegMultiPicture.h"
#include "src/codec/SkJpegSegmentScan.h"
#include "src/codec/SkJpegSourceMgr.h"
#include "src/codec/SkJpegXmp.h"
#include "tests/Test.h"
#include "tools/Resources.h"
#include <cstdint>
#include <cstring>
#include <memory>
#include <utility>
#include <vector>
namespace {
// A test stream to stress the different SkJpegSourceMgr sub-classes.
class TestStream : public SkStream {
public:
enum class Type {
kUnseekable, // SkJpegUnseekableSourceMgr
kSeekable, // SkJpegBufferedSourceMgr
kMemoryMapped, // SkJpegMemorySourceMgr
};
TestStream(Type type, SkStream* stream)
: fStream(stream)
, fSeekable(type != Type::kUnseekable)
, fMemoryMapped(type == Type::kMemoryMapped) {}
~TestStream() override {}
size_t read(void* buffer, size_t size) override { return fStream->read(buffer, size); }
size_t peek(void* buffer, size_t size) const override { return fStream->peek(buffer, size); }
bool isAtEnd() const override { return fStream->isAtEnd(); }
bool rewind() override {
if (!fSeekable) {
return false;
}
return fStream->rewind();
}
bool hasPosition() const override {
if (!fSeekable) {
return false;
}
return fStream->hasPosition();
}
size_t getPosition() const override {
if (!fSeekable) {
return 0;
}
return fStream->hasPosition();
}
bool seek(size_t position) override {
if (!fSeekable) {
return 0;
}
return fStream->seek(position);
}
bool move(long offset) override {
if (!fSeekable) {
return 0;
}
return fStream->move(offset);
}
bool hasLength() const override {
if (!fMemoryMapped) {
return false;
}
return fStream->hasLength();
}
size_t getLength() const override {
if (!fMemoryMapped) {
return 0;
}
return fStream->getLength();
}
const void* getMemoryBase() override {
if (!fMemoryMapped) {
return nullptr;
}
return fStream->getMemoryBase();
}
private:
SkStream* const fStream;
bool fSeekable = false;
bool fMemoryMapped = false;
};
} // namespace
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;
}
// Scan all the way to EndOfImage.
auto sourceMgr = SkJpegSourceMgr::Make(stream.get());
const auto& segments = sourceMgr->getAllSegments();
// Verify we got the expected number of segments at EndOfImage
REPORTER_ASSERT(r, rec.eoiSegmentCount == segments.size());
// Verify we got the expected number of segments before StartOfScan
for (size_t i = 0; i < segments.size(); ++i) {
if (segments[i].marker == kJpegMarkerStartOfScan) {
REPORTER_ASSERT(r, rec.sosSegmentCount == i + 1);
break;
}
}
// Verify the values for a randomly pre-selected segment index.
const auto& segment = segments[rec.testSegmentIndex];
REPORTER_ASSERT(r, rec.testSegmentMarker == segment.marker);
REPORTER_ASSERT(r, rec.testSegmentOffset == segment.offset);
REPORTER_ASSERT(r, rec.testSegmentParameterLength == segment.parameterLength);
}
}
static bool find_mp_params_segment(SkStream* stream,
std::unique_ptr<SkJpegMultiPictureParameters>* outMpParams,
SkJpegSegment* outMpParamsSegment) {
auto sourceMgr = SkJpegSourceMgr::Make(stream);
for (const auto& segment : sourceMgr->getAllSegments()) {
if (segment.marker != kMpfMarker) {
continue;
}
auto parameterData = sourceMgr->getSegmentParameters(segment);
if (!parameterData) {
continue;
}
*outMpParams = SkJpegMultiPictureParameters::Make(parameterData);
if (*outMpParams) {
*outMpParamsSegment = segment;
return true;
}
}
return false;
}
DEF_TEST(Codec_multiPictureParams, r) {
// Little-endian test.
{
const uint8_t bytes[] = {
0x4d, 0x50, 0x46, 0x00, 0x49, 0x49, 0x2a, 0x00, 0x08, 0x00, 0x00, 0x00, 0x03,
0x00, 0x00, 0xb0, 0x07, 0x00, 0x04, 0x00, 0x00, 0x00, 0x30, 0x31, 0x30, 0x30,
0x01, 0xb0, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0xb0, 0x07, 0x00, 0x20, 0x00, 0x00, 0x00, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x20, 0xcf, 0x49, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xee, 0x28, 0x01, 0x00,
0xf9, 0xb7, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00,
};
auto mpParams =
SkJpegMultiPictureParameters::Make(SkData::MakeWithoutCopy(bytes, sizeof(bytes)));
REPORTER_ASSERT(r, mpParams);
REPORTER_ASSERT(r, mpParams->images.size() == 2);
REPORTER_ASSERT(r, mpParams->images[0].dataOffset == 0);
REPORTER_ASSERT(r, mpParams->images[0].size == 4837152);
REPORTER_ASSERT(r, mpParams->images[1].dataOffset == 3979257);
REPORTER_ASSERT(r, mpParams->images[1].size == 76014);
}
// Big-endian test.
{
const uint8_t bytes[] = {
0x4d, 0x50, 0x46, 0x00, 0x4d, 0x4d, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x08, 0x00,
0x03, 0xb0, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x04, 0x30, 0x31, 0x30, 0x30,
0xb0, 0x01, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0xb0,
0x02, 0x00, 0x07, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x32, 0x00, 0x00,
0x00, 0x00, 0x20, 0x03, 0x00, 0x00, 0x00, 0x56, 0xda, 0x2f, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0xc6, 0x01,
0x00, 0x55, 0x7c, 0x1f, 0x00, 0x00, 0x00, 0x00,
};
auto mpParams =
SkJpegMultiPictureParameters::Make(SkData::MakeWithoutCopy(bytes, sizeof(bytes)));
REPORTER_ASSERT(r, mpParams);
REPORTER_ASSERT(r, mpParams->images.size() == 2);
REPORTER_ASSERT(r, mpParams->images[0].dataOffset == 0);
REPORTER_ASSERT(r, mpParams->images[0].size == 5691951);
REPORTER_ASSERT(r, mpParams->images[1].dataOffset == 5602335);
REPORTER_ASSERT(r, mpParams->images[1].size == 1361409);
}
// Three entry test.
{
const uint8_t bytes[] = {
0x4d, 0x50, 0x46, 0x00, 0x4d, 0x4d, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x08, 0x00,
0x03, 0xb0, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x04, 0x30, 0x31, 0x30, 0x30,
0xb0, 0x01, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0xb0,
0x02, 0x00, 0x07, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x32, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x1f, 0x1c, 0xc2, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x05, 0xb0,
0x00, 0x1f, 0x12, 0xec, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x96, 0x6b, 0x00, 0x22, 0x18, 0x9c, 0x00, 0x00, 0x00, 0x00,
};
auto mpParams =
SkJpegMultiPictureParameters::Make(SkData::MakeWithoutCopy(bytes, sizeof(bytes)));
REPORTER_ASSERT(r, mpParams);
REPORTER_ASSERT(r, mpParams->images.size() == 3);
REPORTER_ASSERT(r, mpParams->images[0].dataOffset == 0);
REPORTER_ASSERT(r, mpParams->images[0].size == 2038978);
REPORTER_ASSERT(r, mpParams->images[1].dataOffset == 2036460);
REPORTER_ASSERT(r, mpParams->images[1].size == 198064);
REPORTER_ASSERT(r, mpParams->images[2].dataOffset == 2234524);
REPORTER_ASSERT(r, mpParams->images[2].size == 38507);
}
}
DEF_TEST(Codec_jpegMultiPicture, r) {
const char* path = "images/iphone_13_pro.jpeg";
auto stream = GetResourceAsStream(path);
REPORTER_ASSERT(r, stream);
// Search and parse the MPF header.
std::unique_ptr<SkJpegMultiPictureParameters> mpParams;
SkJpegSegment mpParamsSegment;
REPORTER_ASSERT(r, find_mp_params_segment(stream.get(), &mpParams, &mpParamsSegment));
// Verify that we get the same parameters when we re-serialize and de-serialize them
{
auto mpParamsSerialized = mpParams->serialize();
REPORTER_ASSERT(r, mpParamsSerialized);
auto mpParamsRoundTripped = SkJpegMultiPictureParameters::Make(mpParamsSerialized);
REPORTER_ASSERT(r, mpParamsRoundTripped);
REPORTER_ASSERT(r, mpParamsRoundTripped->images.size() == mpParams->images.size());
for (size_t i = 0; i < mpParamsRoundTripped->images.size(); ++i) {
REPORTER_ASSERT(r, mpParamsRoundTripped->images[i].size == mpParams->images[i].size);
REPORTER_ASSERT(
r,
mpParamsRoundTripped->images[i].dataOffset == mpParams->images[i].dataOffset);
}
}
const struct Rec {
const TestStream::Type streamType;
const bool skipFirstImage;
const size_t bufferSize;
} recs[] = {
{TestStream::Type::kMemoryMapped, false, 1024},
{TestStream::Type::kMemoryMapped, true, 1024},
{TestStream::Type::kSeekable, false, 1024},
{TestStream::Type::kSeekable, true, 1024},
{TestStream::Type::kSeekable, false, 7},
{TestStream::Type::kSeekable, true, 13},
{TestStream::Type::kSeekable, true, 1024 * 1024 * 16},
{TestStream::Type::kUnseekable, false, 1024},
{TestStream::Type::kUnseekable, true, 1024},
{TestStream::Type::kUnseekable, false, 1},
{TestStream::Type::kUnseekable, true, 1},
{TestStream::Type::kUnseekable, false, 7},
{TestStream::Type::kUnseekable, true, 13},
{TestStream::Type::kUnseekable, false, 1024 * 1024 * 16},
{TestStream::Type::kUnseekable, true, 1024 * 1024 * 16},
};
for (const auto& rec : recs) {
stream->rewind();
TestStream testStream(rec.streamType, stream.get());
auto sourceMgr = SkJpegSourceMgr::Make(&testStream, rec.bufferSize);
// Decode the images into bitmaps.
size_t numberOfImages = mpParams->images.size();
std::vector<SkBitmap> bitmaps(numberOfImages);
for (size_t i = 0; i < numberOfImages; ++i) {
if (i == 0) {
REPORTER_ASSERT(r, mpParams->images[i].dataOffset == 0);
continue;
}
if (i == 1 && rec.skipFirstImage) {
continue;
}
auto imageData = sourceMgr->getSubsetData(
SkJpegMultiPictureParameters::GetAbsoluteOffset(mpParams->images[i].dataOffset,
mpParamsSegment.offset),
mpParams->images[i].size);
REPORTER_ASSERT(r, imageData);
std::unique_ptr<SkCodec> codec =
SkCodec::MakeFromStream(SkMemoryStream::Make(imageData));
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.
if (!rec.skipFirstImage) {
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);
}
}
// Decode an image and its gainmap.
template <typename Reporter>
void decode_all(Reporter& r,
std::unique_ptr<SkStream> stream,
SkBitmap& baseBitmap,
SkBitmap& gainmapBitmap,
SkGainmapInfo& gainmapInfo) {
// Decode the base bitmap.
SkCodec::Result result = SkCodec::kSuccess;
std::unique_ptr<SkCodec> baseCodec = SkJpegCodec::MakeFromStream(std::move(stream), &result);
REPORTER_ASSERT(r, baseCodec);
baseBitmap.allocPixels(baseCodec->getInfo());
REPORTER_ASSERT(r,
SkCodec::kSuccess == baseCodec->getPixels(baseBitmap.info(),
baseBitmap.getPixels(),
baseBitmap.rowBytes()));
std::unique_ptr<SkAndroidCodec> androidCodec =
SkAndroidCodec::MakeFromCodec(std::move(baseCodec));
REPORTER_ASSERT(r, androidCodec);
// Extract the gainmap info and stream.
std::unique_ptr<SkStream> gainmapStream;
REPORTER_ASSERT(r, androidCodec->getAndroidGainmap(&gainmapInfo, &gainmapStream));
REPORTER_ASSERT(r, gainmapStream);
// Decode the gainmap bitmap.
std::unique_ptr<SkCodec> gainmapCodec = SkCodec::MakeFromStream(std::move(gainmapStream));
REPORTER_ASSERT(r, gainmapCodec);
SkBitmap bm;
bm.allocPixels(gainmapCodec->getInfo());
gainmapBitmap.allocPixels(gainmapCodec->getInfo());
REPORTER_ASSERT(r,
SkCodec::kSuccess == gainmapCodec->getPixels(gainmapBitmap.info(),
gainmapBitmap.getPixels(),
gainmapBitmap.rowBytes()));
}
// Render an applied gainmap.
SkBitmap render_gainmap(const SkImageInfo& renderInfo,
float renderHdrRatio,
const SkBitmap& baseBitmap,
const SkBitmap& gainmapBitmap,
const SkGainmapInfo& gainmapInfo,
int x,
int y) {
SkRect baseRect = SkRect::MakeXYWH(x, y, renderInfo.width(), renderInfo.height());
float scaleX = gainmapBitmap.width() / static_cast<float>(baseBitmap.width());
float scaleY = gainmapBitmap.height() / static_cast<float>(baseBitmap.height());
SkRect gainmapRect = SkRect::MakeXYWH(baseRect.x() * scaleX,
baseRect.y() * scaleY,
baseRect.width() * scaleX,
baseRect.height() * scaleY);
SkRect dstRect = SkRect::Make(renderInfo.dimensions());
sk_sp<SkImage> baseImage = SkImage::MakeFromBitmap(baseBitmap);
sk_sp<SkImage> gainmapImage = SkImage::MakeFromBitmap(gainmapBitmap);
sk_sp<SkShader> shader = SkGainmapShader::Make(baseImage,
baseRect,
SkSamplingOptions(),
gainmapImage,
gainmapRect,
SkSamplingOptions(),
gainmapInfo,
dstRect,
renderHdrRatio,
renderInfo.refColorSpace());
SkBitmap result;
result.allocPixels(renderInfo);
result.eraseColor(SK_ColorTRANSPARENT);
SkCanvas canvas(result);
SkPaint paint;
paint.setShader(shader);
canvas.drawRect(dstRect, paint);
return result;
}
DEF_TEST(AndroidCodec_xmpHdrgmAsFieldValue, r) {
// Expose HDRM values as fields. Also place the HDRGM namespace in the rdf:RDF node.
const char xmpData[] =
"http://ns.adobe.com/xap/1.0/\0"
"<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"XMP Core 6.0.0\">\n"
" <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n"
" xmlns:hdrgm=\"http://ns.adobe.com/hdr-gain-map/1.0/\">\n"
" <rdf:Description rdf:about=\"\">\n"
" <hdrgm:Version>1.0</hdrgm:Version>\n"
" <hdrgm:GainMapMax>3</hdrgm:GainMapMax>\n"
" <hdrgm:HDRCapacityMax>4</hdrgm:HDRCapacityMax>\n"
" </rdf:Description>\n"
" </rdf:RDF>\n"
"</x:xmpmeta>\n";
std::vector<sk_sp<SkData>> app1Params;
app1Params.push_back(SkData::MakeWithoutCopy(xmpData, sizeof(xmpData) - 1));
auto xmp = SkJpegXmp::Make(app1Params);
REPORTER_ASSERT(r, xmp);
SkGainmapInfo info;
REPORTER_ASSERT(r, xmp->getGainmapInfoHDRGM(&info));
REPORTER_ASSERT(r, info.fGainmapRatioMax.fR == 8.f);
REPORTER_ASSERT(r, info.fDisplayRatioHdr == 16.f);
}
DEF_TEST(AndroidCodec_xmpHdrgmAsDescriptionPropertyAttributes, r) {
// Expose HDRGM values as attributes on an rdf:Description node.
const char xmpData[] =
"http://ns.adobe.com/xap/1.0/\0"
"<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"XMP Core 6.0.0\">\n"
" <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n"
" <rdf:Description rdf:about=\"\"\n"
" xmlns:hdrgm=\"http://ns.adobe.com/hdr-gain-map/1.0/\"\n"
" hdrgm:Version=\"1.0\"\n"
" hdrgm:GainMapMax=\"3\"\n"
" hdrgm:HDRCapacityMax=\"4\"/>\n"
" </rdf:RDF>\n"
"</x:xmpmeta>\n";
std::vector<sk_sp<SkData>> app1Params;
app1Params.push_back(SkData::MakeWithoutCopy(xmpData, sizeof(xmpData) - 1));
auto xmp = SkJpegXmp::Make(app1Params);
REPORTER_ASSERT(r, xmp);
SkGainmapInfo info;
REPORTER_ASSERT(r, xmp->getGainmapInfoHDRGM(&info));
REPORTER_ASSERT(r, info.fGainmapRatioMax.fR == 8.f);
REPORTER_ASSERT(r, info.fDisplayRatioHdr == 16.f);
}
DEF_TEST(AndroidCodec_xmpContainerTypedNode, r) {
// Container and Item using a node of type Container:Item.
const char xmpData[] =
"http://ns.adobe.com/xap/1.0/\0"
"<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"XMP Core 5.5.0\">\n"
" <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n"
" <rdf:Description rdf:about=\"\"\n"
" xmlns:Container=\"http://ns.google.com/photos/1.0/container/\"\n"
" xmlns:Item=\"http://ns.google.com/photos/1.0/container/item/\">\n"
" <Container:Directory>\n"
" <rdf:Seq>\n"
" <rdf:li rdf:parseType=\"Resource\">\n"
" <Container:Item>\n"
" <Item:Mime>image/jpeg</Item:Mime>\n"
" <Item:Semantic>Primary</Item:Semantic>\n"
" </Container:Item>\n"
" </rdf:li>\n"
" <rdf:li rdf:parseType=\"Resource\">\n"
" <Container:Item\n"
" Item:Semantic=\"RecoveryMap\"\n"
" Item:Mime=\"image/jpeg\"\n"
" Item:Length=\"49035\"/>\n"
" </rdf:li>\n"
" </rdf:Seq>\n"
" </Container:Directory>\n"
" </rdf:Description>\n"
" </rdf:RDF>\n"
"</x:xmpmeta>\n";
std::vector<sk_sp<SkData>> app1Params;
app1Params.push_back(SkData::MakeWithoutCopy(xmpData, sizeof(xmpData) - 1));
auto xmp = SkJpegXmp::Make(app1Params);
REPORTER_ASSERT(r, xmp);
size_t offset = 999;
size_t size = 999;
REPORTER_ASSERT(r, xmp->getContainerGainmapLocation(&offset, &size));
REPORTER_ASSERT(r, size == 49035);
}
DEF_TEST(AndroidCodec_xmpContainerTypedNodeRdfEquivalent, r) {
// Container and Item using rdf:value and rdf:type pairs.
const char xmpData[] =
"http://ns.adobe.com/xap/1.0/\0"
"<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"XMP Core 5.5.0\">\n"
" <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n"
" <rdf:Description rdf:about=\"\"\n"
" xmlns:Container=\"http://ns.google.com/photos/1.0/container/\"\n"
" xmlns:Item=\"http://ns.google.com/photos/1.0/container/item/\">\n"
" <Container:Directory>\n"
" <rdf:Seq>\n"
" <rdf:li rdf:parseType=\"Resource\">\n"
" <rdf:value rdf:parseType=\"Resource\">\n"
" <Item:Mime>image/jpeg</Item:Mime>\n"
" <Item:Semantic>Primary</Item:Semantic>\n"
" </rdf:value>\n"
" <rdf:type rdf:resource=\"Item\"/>\n"
" </rdf:li>\n"
" <rdf:li rdf:parseType=\"Resource\">\n"
" <rdf:value rdf:parseType=\"Resource\">\n"
" <Item:Semantic>RecoveryMap</Item:Semantic>\n"
" <Item:Mime>image/jpeg</Item:Mime>\n"
" <Item:Length>49035</Item:Length>\n"
" </rdf:value>\n"
" <rdf:type rdf:resource=\"Item\"/>\n"
" </rdf:li>\n"
" </rdf:Seq>\n"
" </Container:Directory>\n"
" </rdf:Description>\n"
" </rdf:RDF>\n"
"</x:xmpmeta>\n";
std::vector<sk_sp<SkData>> app1Params;
app1Params.push_back(SkData::MakeWithoutCopy(xmpData, sizeof(xmpData) - 1));
auto xmp = SkJpegXmp::Make(app1Params);
REPORTER_ASSERT(r, xmp);
size_t offset = 999;
size_t size = 999;
REPORTER_ASSERT(r, xmp->getContainerGainmapLocation(&offset, &size));
REPORTER_ASSERT(r, size == 49035);
}
// Render a single pixel of an applied gainmap and return it.
SkColor4f render_gainmap_pixel(float renderHdrRatio,
const SkBitmap& baseBitmap,
const SkBitmap& gainmapBitmap,
const SkGainmapInfo& gainmapInfo,
int x,
int y) {
SkImageInfo testPixelInfo = SkImageInfo::Make(
1, 1, kRGBA_F16_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB());
SkBitmap testPixelBitmap = render_gainmap(
testPixelInfo, renderHdrRatio, baseBitmap, gainmapBitmap, gainmapInfo, x, y);
return testPixelBitmap.getColor4f(0, 0);
}
static bool approx_eq(float x, float y, float epsilon) { return std::abs(x - y) < epsilon; }
static bool approx_eq_rgb(const SkColor4f& x, const SkColor4f& y, float epsilon) {
return approx_eq(x.fR, y.fR, epsilon) && approx_eq(x.fG, y.fG, epsilon) &&
approx_eq(x.fB, y.fB, epsilon);
}
DEF_TEST(AndroidCodec_jpegGainmapDecode, 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/hdrgm.jpg",
SkISize::Make(188, 250),
0xFFE9E9E9,
0xFFAAAAAA,
-2.209409f,
2.209409f,
1.f,
9.110335f,
SkGainmapInfo::Type::kHDRGM},
};
TestStream::Type kStreamTypes[] = {
TestStream::Type::kUnseekable,
TestStream::Type::kSeekable,
TestStream::Type::kMemoryMapped,
};
for (const auto& streamType : kStreamTypes) {
bool useFileStream = streamType != TestStream::Type::kMemoryMapped;
for (const auto& rec : recs) {
auto stream = GetResourceAsStream(rec.path, useFileStream);
REPORTER_ASSERT(r, stream);
auto testStream = std::make_unique<TestStream>(streamType, stream.get());
SkBitmap baseBitmap;
SkBitmap gainmapBitmap;
SkGainmapInfo gainmapInfo;
decode_all(r, std::move(testStream), baseBitmap, gainmapBitmap, gainmapInfo);
// Spot-check the image size and pixels.
REPORTER_ASSERT(r, gainmapBitmap.dimensions() == rec.dimensions);
REPORTER_ASSERT(r, gainmapBitmap.getColor(0, 0) == rec.originColor);
REPORTER_ASSERT(
r,
gainmapBitmap.getColor(rec.dimensions.fWidth - 1, rec.dimensions.fHeight - 1) ==
rec.farCornerColor);
// Verify the gainmap rendering parameters.
constexpr float kEpsilon = 1e-3f;
REPORTER_ASSERT(r, approx_eq(gainmapInfo.fLogRatioMin.fR, rec.logRatioMin, kEpsilon));
REPORTER_ASSERT(r, approx_eq(gainmapInfo.fLogRatioMin.fG, rec.logRatioMin, kEpsilon));
REPORTER_ASSERT(r, approx_eq(gainmapInfo.fLogRatioMin.fB, rec.logRatioMin, kEpsilon));
REPORTER_ASSERT(r, approx_eq(gainmapInfo.fLogRatioMax.fR, rec.logRatioMax, kEpsilon));
REPORTER_ASSERT(r, approx_eq(gainmapInfo.fLogRatioMax.fG, rec.logRatioMax, kEpsilon));
REPORTER_ASSERT(r, approx_eq(gainmapInfo.fLogRatioMax.fB, rec.logRatioMax, kEpsilon));
REPORTER_ASSERT(r, approx_eq(gainmapInfo.fHdrRatioMin, rec.hdrRatioMin, kEpsilon));
REPORTER_ASSERT(r, approx_eq(gainmapInfo.fHdrRatioMax, rec.hdrRatioMax, kEpsilon));
REPORTER_ASSERT(r, gainmapInfo.fType == rec.type);
}
}
}
DEF_TEST(AndroidCodec_jpegNoGainmap, r) {
// This test image has a large APP16 segment that will stress the various SkJpegSourceMgrs'
// data skipping paths.
const char* path = "images/icc-v2-gbr.jpg";
TestStream::Type kStreamTypes[] = {
TestStream::Type::kUnseekable,
TestStream::Type::kSeekable,
TestStream::Type::kMemoryMapped,
};
for (const auto& streamType : kStreamTypes) {
bool useFileStream = streamType != TestStream::Type::kMemoryMapped;
auto stream = GetResourceAsStream(path, useFileStream);
REPORTER_ASSERT(r, stream);
auto testStream = std::make_unique<TestStream>(streamType, stream.get());
// Decode the base bitmap.
SkCodec::Result result = SkCodec::kSuccess;
std::unique_ptr<SkCodec> baseCodec =
SkJpegCodec::MakeFromStream(std::move(testStream), &result);
REPORTER_ASSERT(r, baseCodec);
SkBitmap baseBitmap;
baseBitmap.allocPixels(baseCodec->getInfo());
REPORTER_ASSERT(r,
SkCodec::kSuccess == baseCodec->getPixels(baseBitmap.info(),
baseBitmap.getPixels(),
baseBitmap.rowBytes()));
std::unique_ptr<SkAndroidCodec> androidCodec =
SkAndroidCodec::MakeFromCodec(std::move(baseCodec));
REPORTER_ASSERT(r, androidCodec);
// Try to extract the gainmap info and stream. It should fail.
SkGainmapInfo gainmapInfo;
std::unique_ptr<SkStream> gainmapStream;
REPORTER_ASSERT(r, !androidCodec->getAndroidGainmap(&gainmapInfo, &gainmapStream));
}
}
#ifdef SK_ENCODE_JPEG
DEF_TEST(AndroidCodec_jpegGainmapTranscode, r) {
const char* path = "images/iphone_13_pro.jpeg";
SkBitmap baseBitmap[2];
SkBitmap gainmapBitmap[2];
SkGainmapInfo gainmapInfo[2];
// Decode an MPF-based gainmap image.
decode_all(r, GetResourceAsStream(path), baseBitmap[0], gainmapBitmap[0], gainmapInfo[0]);
constexpr float kEpsilon = 1e-2f;
for (size_t i = 0; i < 2; ++i) {
SkDynamicMemoryWStream encodeStream;
bool encodeResult = false;
if (i == 0) {
// Transcode to JpegR.
encodeResult = SkJpegGainmapEncoder::EncodeJpegR(&encodeStream,
baseBitmap[0].pixmap(),
SkJpegEncoder::Options(),
gainmapBitmap[0].pixmap(),
SkJpegEncoder::Options(),
gainmapInfo[0]);
} else {
// Transcode to HDRGM.
encodeResult = SkJpegGainmapEncoder::EncodeHDRGM(&encodeStream,
baseBitmap[0].pixmap(),
SkJpegEncoder::Options(),
gainmapBitmap[0].pixmap(),
SkJpegEncoder::Options(),
gainmapInfo[0]);
}
REPORTER_ASSERT(r, encodeResult);
auto encodeData = encodeStream.detachAsData();
// Decode the just-encoded image.
auto decodeStream = std::make_unique<SkMemoryStream>(encodeData);
decode_all(r, std::move(decodeStream), baseBitmap[1], gainmapBitmap[1], gainmapInfo[1]);
// HDRGM will have the same rendering parameters.
REPORTER_ASSERT(
r,
approx_eq_rgb(gainmapInfo[0].fLogRatioMin, gainmapInfo[1].fLogRatioMin, kEpsilon));
REPORTER_ASSERT(
r,
approx_eq_rgb(gainmapInfo[0].fLogRatioMax, gainmapInfo[1].fLogRatioMax, kEpsilon));
REPORTER_ASSERT(
r,
approx_eq_rgb(
gainmapInfo[0].fGainmapGamma, gainmapInfo[1].fGainmapGamma, kEpsilon));
REPORTER_ASSERT(
r,
approx_eq(gainmapInfo[0].fEpsilonSdr.fR, gainmapInfo[1].fEpsilonSdr.fR, kEpsilon));
REPORTER_ASSERT(
r,
approx_eq(gainmapInfo[0].fEpsilonHdr.fR, gainmapInfo[1].fEpsilonHdr.fR, kEpsilon));
REPORTER_ASSERT(
r, approx_eq(gainmapInfo[0].fHdrRatioMin, gainmapInfo[1].fHdrRatioMin, kEpsilon));
REPORTER_ASSERT(
r, approx_eq(gainmapInfo[0].fHdrRatioMax, gainmapInfo[1].fHdrRatioMax, kEpsilon));
#ifdef SK_ENABLE_SKSL
// Render a few pixels and verify that they come out the same. Rendering requires SkSL.
const struct Rec {
int x;
int y;
float hdrRatio;
SkColor4f expectedColor;
SkColorType forcedColorType;
} recs[] = {
{1446, 1603, 1.05f, {0.984375f, 1.004883f, 1.008789f, 1.f}, kUnknown_SkColorType},
{1446, 1603, 100.f, {1.147461f, 1.170898f, 1.174805f, 1.f}, kUnknown_SkColorType},
{1446, 1603, 100.f, {1.147461f, 1.170898f, 1.174805f, 1.f}, kGray_8_SkColorType},
{1446, 1603, 100.f, {1.147461f, 1.170898f, 1.174805f, 1.f}, kAlpha_8_SkColorType},
{1446, 1603, 100.f, {1.147461f, 1.170898f, 1.174805f, 1.f}, kR8_unorm_SkColorType},
};
for (const auto& rec : recs) {
SkBitmap gainmapBitmap0;
SkASSERT(gainmapBitmap[0].colorType() == kGray_8_SkColorType);
// Force various different single-channel formats, to ensure that they all work. Note
// that when the color type is forced to kAlpha_8_SkColorType, the shader will always
// read (0,0,0,1) if the alpha type is kOpaque_SkAlphaType.
if (rec.forcedColorType == kUnknown_SkColorType) {
gainmapBitmap0 = gainmapBitmap[0];
} else {
gainmapBitmap0.installPixels(gainmapBitmap[0]
.info()
.makeColorType(rec.forcedColorType)
.makeAlphaType(kPremul_SkAlphaType),
gainmapBitmap[0].getPixels(),
gainmapBitmap[0].rowBytes());
}
SkColor4f p0 = render_gainmap_pixel(
rec.hdrRatio, baseBitmap[0], gainmapBitmap0, gainmapInfo[0], rec.x, rec.y);
SkColor4f p1 = render_gainmap_pixel(
rec.hdrRatio, baseBitmap[1], gainmapBitmap[1], gainmapInfo[1], rec.x, rec.y);
REPORTER_ASSERT(r, approx_eq_rgb(p0, p1, kEpsilon));
}
#endif // SK_ENABLE_SKSL
}
}
#endif // SK_ENCODE_JPEG