| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkBitmap.h" |
| #include "SkCodec.h" |
| #include "SkCommonFlags.h" |
| #include "SkImageEncoder.h" |
| #include "SkOSPath.h" |
| #include "SkStream.h" |
| |
| #include "Resources.h" |
| #include "Test.h" |
| #include "sk_tool_utils.h" |
| |
| #include <initializer_list> |
| #include <vector> |
| |
| static void write_bm(const char* name, const SkBitmap& bm) { |
| if (FLAGS_writePath.isEmpty()) { |
| return; |
| } |
| |
| SkString filename = SkOSPath::Join(FLAGS_writePath[0], name); |
| filename.appendf(".png"); |
| SkFILEWStream file(filename.c_str()); |
| if (!SkEncodeImage(&file, bm, SkEncodedImageFormat::kPNG, 100)) { |
| SkDebugf("failed to write '%s'\n", filename.c_str()); |
| } |
| } |
| |
| DEF_TEST(Codec_trunc, r) { |
| sk_sp<SkData> data(GetResourceAsData("box.gif")); |
| if (!data) { |
| return; |
| } |
| data = SkData::MakeSubset(data.get(), 0, 23); |
| std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(data)); |
| codec->getFrameInfo(); |
| } |
| |
| // 565 does not support alpha, but there is no reason for it not to support an |
| // animated image with a frame that has alpha but then blends onto an opaque |
| // frame making the result opaque. Test that we can decode such a frame. |
| DEF_TEST(Codec_565, r) { |
| sk_sp<SkData> data(GetResourceAsData("blendBG.webp")); |
| if (!data) { |
| return; |
| } |
| std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(std::move(data))); |
| auto info = codec->getInfo().makeColorType(kRGB_565_SkColorType); |
| SkBitmap bm; |
| bm.allocPixels(info); |
| |
| SkCodec::Options options; |
| options.fFrameIndex = 1; |
| options.fPriorFrame = SkCodec::kNone; |
| |
| const auto result = codec->getPixels(info, bm.getPixels(), bm.rowBytes(), |
| &options); |
| REPORTER_ASSERT(r, result == SkCodec::kSuccess); |
| } |
| |
| static bool restore_previous(const SkCodec::FrameInfo& info) { |
| return info.fDisposalMethod == SkCodecAnimation::DisposalMethod::kRestorePrevious; |
| } |
| |
| DEF_TEST(Codec_frames, r) { |
| #define kOpaque kOpaque_SkAlphaType |
| #define kUnpremul kUnpremul_SkAlphaType |
| #define kKeep SkCodecAnimation::DisposalMethod::kKeep |
| #define kRestoreBG SkCodecAnimation::DisposalMethod::kRestoreBGColor |
| #define kRestorePrev SkCodecAnimation::DisposalMethod::kRestorePrevious |
| static const struct { |
| const char* fName; |
| int fFrameCount; |
| // One less than fFramecount, since the first frame is always |
| // independent. |
| std::vector<int> fRequiredFrames; |
| // Same, since the first frame should match getInfo. |
| std::vector<SkAlphaType> fAlphaTypes; |
| // The size of this one should match fFrameCount for animated, empty |
| // otherwise. |
| std::vector<int> fDurations; |
| int fRepetitionCount; |
| std::vector<SkCodecAnimation::DisposalMethod> fDisposalMethods; |
| } gRecs[] = { |
| { "required.gif", 7, |
| { 0, 1, 1, SkCodec::kNone, 4, 4 }, |
| { kOpaque, kUnpremul, kUnpremul, kOpaque, kOpaque, kOpaque }, |
| { 100, 100, 100, 100, 100, 100, 100 }, |
| 0, |
| { kKeep, kRestoreBG, kKeep, kKeep, kKeep, kRestoreBG, kKeep } }, |
| { "alphabetAnim.gif", 13, |
| { SkCodec::kNone, 0, 0, 0, 0, 5, 6, SkCodec::kNone, |
| SkCodec::kNone, SkCodec::kNone, 10, 11 }, |
| { kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, |
| kUnpremul, kUnpremul, kUnpremul, kOpaque, kOpaque, kUnpremul }, |
| { 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100 }, |
| 0, |
| { kKeep, kRestorePrev, kRestorePrev, kRestorePrev, kRestorePrev, |
| kRestoreBG, kKeep, kRestoreBG, kRestoreBG, kKeep, kKeep, |
| kRestoreBG, kKeep } }, |
| { "randPixelsAnim2.gif", 4, |
| // required frames |
| { 0, 0, 1 }, |
| // alphas |
| { kOpaque, kOpaque, kOpaque }, |
| // durations |
| { 0, 1000, 170, 40 }, |
| // repetition count |
| 0, |
| { kKeep, kKeep, kRestorePrev, kKeep } }, |
| { "randPixelsAnim.gif", 13, |
| // required frames |
| { SkCodec::kNone, 1, 2, 3, 4, 3, 6, 7, 7, 7, 9, 9 }, |
| { kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, |
| kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul }, |
| // durations |
| { 0, 1000, 170, 40, 220, 7770, 90, 90, 90, 90, 90, 90, 90 }, |
| // repetition count |
| 0, |
| { kKeep, kKeep, kKeep, kKeep, kRestoreBG, kRestoreBG, kRestoreBG, |
| kRestoreBG, kRestorePrev, kRestoreBG, kRestorePrev, kRestorePrev, |
| kRestorePrev, } }, |
| { "box.gif", 1, {}, {}, {}, 0, { kKeep } }, |
| { "color_wheel.gif", 1, {}, {}, {}, 0, { kKeep } }, |
| { "test640x479.gif", 4, { 0, 1, 2 }, |
| { kOpaque, kOpaque, kOpaque }, |
| { 200, 200, 200, 200 }, |
| SkCodec::kRepetitionCountInfinite, |
| { kKeep, kKeep, kKeep, kKeep } }, |
| { "colorTables.gif", 2, { 0 }, { kOpaque }, { 1000, 1000 }, 5, |
| { kKeep, kKeep } }, |
| |
| { "arrow.png", 1, {}, {}, {}, 0, {} }, |
| { "google_chrome.ico", 1, {}, {}, {}, 0, {} }, |
| { "brickwork-texture.jpg", 1, {}, {}, {}, 0, {} }, |
| #if defined(SK_CODEC_DECODES_RAW) && (!defined(_WIN32)) |
| { "dng_with_preview.dng", 1, {}, {}, {}, 0, {} }, |
| #endif |
| { "mandrill.wbmp", 1, {}, {}, {}, 0, {} }, |
| { "randPixels.bmp", 1, {}, {}, {}, 0, {} }, |
| { "yellow_rose.webp", 1, {}, {}, {}, 0, {} }, |
| { "webp-animated.webp", 3, { 0, 1 }, { kOpaque, kOpaque }, |
| { 1000, 500, 1000 }, SkCodec::kRepetitionCountInfinite, |
| { kKeep, kKeep, kKeep } }, |
| { "blendBG.webp", 7, { 0, SkCodec::kNone, SkCodec::kNone, SkCodec::kNone, |
| 4, 4 }, |
| { kOpaque, kOpaque, kUnpremul, kOpaque, kUnpremul, kUnpremul }, |
| { 525, 500, 525, 437, 609, 729, 444 }, 7, |
| { kKeep, kKeep, kKeep, kKeep, kKeep, kKeep, kKeep } }, |
| { "required.webp", 7, |
| { 0, 1, 1, SkCodec::kNone, 4, 4 }, |
| { kOpaque, kUnpremul, kUnpremul, kOpaque, kOpaque, kOpaque }, |
| { 100, 100, 100, 100, 100, 100, 100 }, |
| 1, |
| { kKeep, kRestoreBG, kKeep, kKeep, kKeep, kRestoreBG, kKeep } }, |
| }; |
| #undef kOpaque |
| #undef kUnpremul |
| #undef kKeep |
| #undef kRestorePrev |
| #undef kRestoreBG |
| |
| for (const auto& rec : gRecs) { |
| sk_sp<SkData> data(GetResourceAsData(rec.fName)); |
| if (!data) { |
| // Useful error statement, but sometimes people run tests without |
| // resources, and they do not want to see these messages. |
| //ERRORF(r, "Missing resources? Could not find '%s'", rec.fName); |
| continue; |
| } |
| |
| std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(data)); |
| if (!codec) { |
| ERRORF(r, "Failed to create an SkCodec from '%s'", rec.fName); |
| continue; |
| } |
| |
| { |
| SkCodec::FrameInfo frameInfo; |
| REPORTER_ASSERT(r, !codec->getFrameInfo(0, &frameInfo)); |
| } |
| |
| const int repetitionCount = codec->getRepetitionCount(); |
| if (repetitionCount != rec.fRepetitionCount) { |
| ERRORF(r, "%s repetition count does not match! expected: %i\tactual: %i", |
| rec.fName, rec.fRepetitionCount, repetitionCount); |
| } |
| |
| const int expected = rec.fFrameCount; |
| if (rec.fRequiredFrames.size() + 1 != static_cast<size_t>(expected)) { |
| ERRORF(r, "'%s' has wrong number entries in fRequiredFrames; expected: %i\tactual: %i", |
| rec.fName, expected - 1, rec.fRequiredFrames.size()); |
| continue; |
| } |
| |
| if (expected > 1) { |
| if (rec.fDurations.size() != static_cast<size_t>(expected)) { |
| ERRORF(r, "'%s' has wrong number entries in fDurations; expected: %i\tactual: %i", |
| rec.fName, expected, rec.fDurations.size()); |
| continue; |
| } |
| |
| if (rec.fAlphaTypes.size() + 1 != static_cast<size_t>(expected)) { |
| ERRORF(r, "'%s' has wrong number entries in fAlphaTypes; expected: %i\tactual: %i", |
| rec.fName, expected - 1, rec.fAlphaTypes.size()); |
| continue; |
| } |
| |
| if (rec.fDisposalMethods.size() != static_cast<size_t>(expected)) { |
| ERRORF(r, "'%s' has wrong number entries in fDisposalMethods; " |
| "expected %i\tactual: %i", |
| rec.fName, expected, rec.fDisposalMethods.size()); |
| continue; |
| } |
| } |
| |
| enum class TestMode { |
| kVector, |
| kIndividual, |
| }; |
| |
| for (auto mode : { TestMode::kVector, TestMode::kIndividual }) { |
| // Re-create the codec to reset state and test parsing. |
| codec.reset(SkCodec::NewFromData(data)); |
| |
| int frameCount; |
| std::vector<SkCodec::FrameInfo> frameInfos; |
| switch (mode) { |
| case TestMode::kVector: |
| frameInfos = codec->getFrameInfo(); |
| // getFrameInfo returns empty set for non-animated. |
| frameCount = frameInfos.empty() ? 1 : frameInfos.size(); |
| break; |
| case TestMode::kIndividual: |
| frameCount = codec->getFrameCount(); |
| break; |
| } |
| |
| if (frameCount != expected) { |
| ERRORF(r, "'%s' expected frame count: %i\tactual: %i", |
| rec.fName, expected, frameCount); |
| continue; |
| } |
| |
| // From here on, we are only concerned with animated images. |
| if (1 == frameCount) { |
| continue; |
| } |
| |
| for (int i = 0; i < frameCount; i++) { |
| SkCodec::FrameInfo frameInfo; |
| switch (mode) { |
| case TestMode::kVector: |
| frameInfo = frameInfos[i]; |
| break; |
| case TestMode::kIndividual: |
| REPORTER_ASSERT(r, codec->getFrameInfo(i, nullptr)); |
| REPORTER_ASSERT(r, codec->getFrameInfo(i, &frameInfo)); |
| break; |
| } |
| |
| if (rec.fDurations[i] != frameInfo.fDuration) { |
| ERRORF(r, "%s frame %i's durations do not match! expected: %i\tactual: %i", |
| rec.fName, i, rec.fDurations[i], frameInfo.fDuration); |
| } |
| |
| auto to_string = [](SkAlphaType type) { |
| switch (type) { |
| case kUnpremul_SkAlphaType: |
| return "unpremul"; |
| case kOpaque_SkAlphaType: |
| return "opaque"; |
| default: |
| return "other"; |
| } |
| }; |
| |
| auto expectedAlpha = 0 == i ? codec->getInfo().alphaType() : rec.fAlphaTypes[i-1]; |
| auto alpha = frameInfo.fAlphaType; |
| if (expectedAlpha != alpha) { |
| ERRORF(r, "%s's frame %i has wrong alpha type! expected: %s\tactual: %s", |
| rec.fName, i, to_string(expectedAlpha), to_string(alpha)); |
| } |
| |
| if (0 == i) { |
| REPORTER_ASSERT(r, frameInfo.fRequiredFrame == SkCodec::kNone); |
| } else if (rec.fRequiredFrames[i-1] != frameInfo.fRequiredFrame) { |
| ERRORF(r, "%s's frame %i has wrong dependency! expected: %i\tactual: %i", |
| rec.fName, i, rec.fRequiredFrames[i-1], frameInfo.fRequiredFrame); |
| } |
| |
| REPORTER_ASSERT(r, frameInfo.fDisposalMethod == rec.fDisposalMethods[i]); |
| } |
| |
| if (TestMode::kIndividual == mode) { |
| // No need to test decoding twice. |
| continue; |
| } |
| |
| // Compare decoding in multiple ways: |
| // - Start from scratch for each frame. |codec| will have to decode the required frame |
| // (and any it depends on) to decode. This is stored in |cachedFrames|. |
| // - Provide the frame that a frame depends on, so |codec| just has to blend. |
| // - Provide a frame after the required frame, which will be covered up by the newest |
| // frame. |
| // All should look the same. |
| std::vector<SkBitmap> cachedFrames(frameCount); |
| const auto info = codec->getInfo().makeColorType(kN32_SkColorType); |
| |
| auto decode = [&](SkBitmap* bm, int index, int cachedIndex) { |
| auto decodeInfo = info; |
| if (index > 0) { |
| decodeInfo = info.makeAlphaType(frameInfos[index].fAlphaType); |
| } |
| bm->allocPixels(decodeInfo); |
| if (cachedIndex != SkCodec::kNone) { |
| // First copy the pixels from the cached frame |
| const bool success = sk_tool_utils::copy_to(bm, kN32_SkColorType, |
| cachedFrames[cachedIndex]); |
| REPORTER_ASSERT(r, success); |
| } |
| SkCodec::Options opts; |
| opts.fFrameIndex = index; |
| opts.fPriorFrame = cachedIndex; |
| const auto result = codec->getPixels(decodeInfo, bm->getPixels(), bm->rowBytes(), |
| &opts); |
| if (cachedIndex != SkCodec::kNone && restore_previous(frameInfos[cachedIndex])) { |
| if (result == SkCodec::kInvalidParameters) { |
| return true; |
| } |
| ERRORF(r, "Using a kRestorePrevious frame as fPriorFrame should fail"); |
| return false; |
| } |
| if (result != SkCodec::kSuccess) { |
| ERRORF(r, "Failed to decode frame %i from %s when providing prior frame %i, " |
| "error %i", index, rec.fName, cachedIndex, result); |
| } |
| return result == SkCodec::kSuccess; |
| }; |
| |
| for (int i = 0; i < frameCount; i++) { |
| SkBitmap& cachedFrame = cachedFrames[i]; |
| if (!decode(&cachedFrame, i, SkCodec::kNone)) { |
| continue; |
| } |
| const auto reqFrame = frameInfos[i].fRequiredFrame; |
| if (reqFrame == SkCodec::kNone) { |
| // Nothing to compare against. |
| continue; |
| } |
| for (int j = reqFrame; j < i; j++) { |
| SkBitmap frame; |
| if (restore_previous(frameInfos[j])) { |
| (void) decode(&frame, i, j); |
| continue; |
| } |
| if (!decode(&frame, i, j)) { |
| continue; |
| } |
| |
| // Now verify they're equal. |
| const size_t rowLen = info.bytesPerPixel() * info.width(); |
| for (int y = 0; y < info.height(); y++) { |
| const void* cachedAddr = cachedFrame.getAddr(0, y); |
| SkASSERT(cachedAddr != nullptr); |
| const void* addr = frame.getAddr(0, y); |
| SkASSERT(addr != nullptr); |
| const bool lineMatches = memcmp(cachedAddr, addr, rowLen) == 0; |
| if (!lineMatches) { |
| SkString name = SkStringPrintf("cached_%i", i); |
| write_bm(name.c_str(), cachedFrame); |
| name = SkStringPrintf("frame_%i", i); |
| write_bm(name.c_str(), frame); |
| ERRORF(r, "%s's frame %i is different (starting from line %i) when " |
| "providing prior frame %i!", rec.fName, i, y, j); |
| break; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
