2018-01-16 20:01:17 +00:00
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/*
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* Copyright 2018 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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2019-04-23 17:05:21 +00:00
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#include "include/codec/SkAndroidCodec.h"
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#include "include/codec/SkCodec.h"
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#include "include/core/SkBitmap.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkData.h"
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#include "include/core/SkEncodedImageFormat.h"
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#include "include/core/SkImageGenerator.h"
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#include "include/core/SkImageInfo.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "include/core/SkTypes.h"
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#include "src/codec/SkCodecImageGenerator.h"
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#include "src/core/SkPixmapPriv.h"
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#include "tests/Test.h"
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#include "tools/Resources.h"
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2018-01-16 20:01:17 +00:00
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2018-03-02 21:59:53 +00:00
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#include <algorithm>
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#include <memory>
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2018-01-16 20:01:17 +00:00
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static SkISize times(const SkISize& size, float factor) {
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return { (int) (size.width() * factor), (int) (size.height() * factor) };
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}
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static SkISize plus(const SkISize& size, int term) {
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return { size.width() + term, size.height() + term };
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}
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static bool invalid(const SkISize& size) {
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return size.width() < 1 || size.height() < 1;
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}
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DEF_TEST(AndroidCodec_computeSampleSize, r) {
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if (GetResourcePath().isEmpty()) {
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return;
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}
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for (const char* file : { "images/color_wheel.webp",
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"images/ship.png",
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"images/dog.jpg",
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"images/color_wheel.gif",
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"images/rle.bmp",
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"images/google_chrome.ico",
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"images/mandrill.wbmp",
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#ifdef SK_CODEC_DECODES_RAW
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"images/sample_1mp.dng",
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#endif
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}) {
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auto data = GetResourceAsData(file);
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if (!data) {
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ERRORF(r, "Could not get %s", file);
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continue;
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}
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auto codec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data)));
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if (!codec) {
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ERRORF(r, "Could not create codec for %s", file);
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continue;
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}
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const auto dims = codec->getInfo().dimensions();
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const SkISize downscales[] = {
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plus(dims, -1),
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times(dims, .15f),
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times(dims, .6f),
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{ (int32_t) (dims.width() * .25f), (int32_t) (dims.height() * .75f ) },
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{ 1, 1 },
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{ 1, 2 },
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{ 2, 1 },
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{ 0, -1 },
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{ dims.width(), dims.height() - 1 },
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};
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for (SkISize size : downscales) {
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const auto requested = size;
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const int computedSampleSize = codec->computeSampleSize(&size);
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REPORTER_ASSERT(r, size.width() >= 1 && size.height() >= 1);
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if (codec->getEncodedFormat() == SkEncodedImageFormat::kWEBP) {
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// WebP supports arbitrary down-scaling.
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REPORTER_ASSERT(r, size == requested || invalid(requested));
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} else if (computedSampleSize == 1) {
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REPORTER_ASSERT(r, size == dims);
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} else {
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REPORTER_ASSERT(r, computedSampleSize > 1);
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if (size.width() >= dims.width() || size.height() >= dims.height()) {
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ERRORF(r, "File %s's computed sample size (%i) is bigger than"
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" original? original: %i x %i\tsampled: %i x %i",
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file, computedSampleSize, dims.width(), dims.height(),
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size.width(), size.height());
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}
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REPORTER_ASSERT(r, size.width() >= requested.width() &&
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size.height() >= requested.height());
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REPORTER_ASSERT(r, size.width() < dims.width() &&
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size.height() < dims.height());
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}
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}
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const SkISize upscales[] = {
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dims, plus(dims, 5), times(dims, 2),
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};
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for (SkISize size : upscales) {
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const int computedSampleSize = codec->computeSampleSize(&size);
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REPORTER_ASSERT(r, computedSampleSize == 1);
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REPORTER_ASSERT(r, dims == size);
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}
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// This mimics how Android's ImageDecoder uses SkAndroidCodec. A client
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// can choose their dimensions based on calling getSampledDimensions,
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// but the ImageDecoder API takes an arbitrary size. It then uses
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// computeSampleSize to determine the best dimensions and sampleSize.
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// It should return the same dimensions. the sampleSize may be different
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// due to integer division.
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for (int sampleSize : { 1, 2, 3, 4, 8, 16, 32 }) {
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const SkISize sampledDims = codec->getSampledDimensions(sampleSize);
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SkISize size = sampledDims;
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const int computedSampleSize = codec->computeSampleSize(&size);
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if (sampledDims != size) {
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ERRORF(r, "File '%s'->getSampledDimensions(%i) yields computed"
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" sample size of %i\n\tsampledDimensions: %i x %i\t"
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"computed dimensions: %i x %i",
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file, sampleSize, computedSampleSize,
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sampledDims.width(), sampledDims.height(),
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size.width(), size.height());
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}
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}
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}
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}
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2018-01-26 20:48:26 +00:00
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2018-08-27 15:55:46 +00:00
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DEF_TEST(AndroidCodec_wide, r) {
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if (GetResourcePath().isEmpty()) {
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return;
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}
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const char* path = "images/wide-gamut.png";
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auto data = GetResourceAsData(path);
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if (!data) {
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ERRORF(r, "Missing file %s", path);
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return;
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}
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auto codec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data)));
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if (!codec) {
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ERRORF(r, "Failed to create codec from %s", path);
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return;
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}
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auto info = codec->getInfo();
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auto cs = codec->computeOutputColorSpace(info.colorType(), nullptr);
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if (!cs) {
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ERRORF(r, "%s should have a color space", path);
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return;
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}
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2019-01-04 22:03:00 +00:00
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auto expected = SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kDCIP3);
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2018-08-27 15:55:46 +00:00
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REPORTER_ASSERT(r, SkColorSpace::Equals(cs.get(), expected.get()));
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}
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DEF_TEST(AndroidCodec_P3, r) {
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if (GetResourcePath().isEmpty()) {
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return;
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}
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const char* path = "images/purple-displayprofile.png";
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auto data = GetResourceAsData(path);
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if (!data) {
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ERRORF(r, "Missing file %s", path);
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return;
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}
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auto codec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data)));
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if (!codec) {
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ERRORF(r, "Failed to create codec from %s", path);
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return;
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}
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auto info = codec->getInfo();
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auto cs = codec->computeOutputColorSpace(info.colorType(), nullptr);
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if (!cs) {
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ERRORF(r, "%s should have a color space", path);
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return;
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}
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REPORTER_ASSERT(r, !cs->isSRGB());
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REPORTER_ASSERT(r, cs->gammaCloseToSRGB());
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2019-01-04 22:03:00 +00:00
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skcms_Matrix3x3 matrix;
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2018-10-03 21:00:41 +00:00
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cs->toXYZD50(&matrix);
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2019-01-04 22:03:00 +00:00
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static constexpr skcms_Matrix3x3 kExpected = {{
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{ 0.426254272f, 0.369018555f, 0.168914795f },
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{ 0.226013184f, 0.685974121f, 0.0880126953f },
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{ 0.0116729736f, 0.0950927734f, 0.71812439f },
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}};
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REPORTER_ASSERT(r, 0 == memcmp(&matrix, &kExpected, sizeof(skcms_Matrix3x3)));
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2018-08-27 15:55:46 +00:00
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}
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2018-01-26 20:48:26 +00:00
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DEF_TEST(AndroidCodec_orientation, r) {
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if (GetResourcePath().isEmpty()) {
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return;
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}
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for (const char* ext : { "jpg", "webp" })
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for (char i = '1'; i <= '8'; ++i) {
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SkString path = SkStringPrintf("images/orientation/%c.%s", i, ext);
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auto data = GetResourceAsData(path.c_str());
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auto gen = SkCodecImageGenerator::MakeFromEncodedCodec(data);
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if (!gen) {
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ERRORF(r, "failed to decode %s", path.c_str());
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return;
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}
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// Dimensions after adjusting for the origin.
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const SkISize expectedDims = { 100, 80 };
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// SkCodecImageGenerator automatically adjusts for the origin.
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REPORTER_ASSERT(r, gen->getInfo().dimensions() == expectedDims);
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auto androidCodec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(data));
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if (!androidCodec) {
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ERRORF(r, "failed to decode %s", path.c_str());
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return;
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}
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// SkAndroidCodec does not adjust for the origin by default. Dimensions may be reversed.
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if (SkPixmapPriv::ShouldSwapWidthHeight(androidCodec->codec()->getOrigin())) {
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auto swappedDims = SkPixmapPriv::SwapWidthHeight(androidCodec->getInfo()).dimensions();
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REPORTER_ASSERT(r, expectedDims == swappedDims);
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} else {
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REPORTER_ASSERT(r, expectedDims == androidCodec->getInfo().dimensions());
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}
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// Passing kRespect adjusts for the origin.
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androidCodec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data)),
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SkAndroidCodec::ExifOrientationBehavior::kRespect);
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auto info = androidCodec->getInfo();
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REPORTER_ASSERT(r, info.dimensions() == expectedDims);
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SkBitmap fromGenerator;
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fromGenerator.allocPixels(info);
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REPORTER_ASSERT(r, gen->getPixels(info, fromGenerator.getPixels(),
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fromGenerator.rowBytes()));
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SkBitmap fromAndroidCodec;
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fromAndroidCodec.allocPixels(info);
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auto result = androidCodec->getPixels(info, fromAndroidCodec.getPixels(),
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fromAndroidCodec.rowBytes());
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REPORTER_ASSERT(r, result == SkCodec::kSuccess);
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for (int i = 0; i < info.width(); ++i)
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for (int j = 0; j < info.height(); ++j) {
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SkColor c1 = *fromGenerator .getAddr32(i, j);
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SkColor c2 = *fromAndroidCodec.getAddr32(i, j);
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if (c1 != c2) {
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ERRORF(r, "Bitmaps for %s do not match starting at position %i, %i\n"
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"\tfromGenerator: %x\tfromAndroidCodec: %x", path.c_str(), i, j,
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c1, c2);
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return;
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}
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}
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}
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}
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2019-01-30 20:33:09 +00:00
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DEF_TEST(AndroidCodec_sampledOrientation, r) {
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if (GetResourcePath().isEmpty()) {
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return;
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}
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// kRightTop_SkEncodedOrigin = 6, // Rotated 90 CW
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auto path = "images/orientation/6.jpg";
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auto data = GetResourceAsData(path);
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if (!data) {
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ERRORF(r, "Failed to get resource %s", path);
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return;
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}
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auto androidCodec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data)),
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SkAndroidCodec::ExifOrientationBehavior::kRespect);
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constexpr int sampleSize = 7;
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auto sampledDims = androidCodec->getSampledDimensions(sampleSize);
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SkAndroidCodec::AndroidOptions options;
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options.fSampleSize = sampleSize;
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SkBitmap bm;
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auto info = androidCodec->getInfo().makeWH(sampledDims.width(), sampledDims.height());
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bm.allocPixels(info);
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auto result = androidCodec->getAndroidPixels(info, bm.getPixels(), bm.rowBytes(), &options);
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if (result != SkCodec::kSuccess) {
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ERRORF(r, "got result \"%s\"\n", SkCodec::ResultToString(result));
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}
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}
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