diff options
Diffstat (limited to 'image/test/gtest/TestSurfaceSink.cpp')
| -rw-r--r-- | image/test/gtest/TestSurfaceSink.cpp | 1491 |
1 files changed, 0 insertions, 1491 deletions
diff --git a/image/test/gtest/TestSurfaceSink.cpp b/image/test/gtest/TestSurfaceSink.cpp deleted file mode 100644 index 3a1c74d12..000000000 --- a/image/test/gtest/TestSurfaceSink.cpp +++ /dev/null @@ -1,1491 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set ts=8 sts=2 et sw=2 tw=80: */ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include "gtest/gtest.h" - -#include "mozilla/gfx/2D.h" -#include "Common.h" -#include "Decoder.h" -#include "DecoderFactory.h" -#include "SourceBuffer.h" -#include "SurfacePipe.h" - -using namespace mozilla; -using namespace mozilla::gfx; -using namespace mozilla::image; - -enum class Orient -{ - NORMAL, - FLIP_VERTICALLY -}; - -template <Orient Orientation, typename Func> void -WithSurfaceSink(Func aFunc) -{ - RefPtr<Decoder> decoder = CreateTrivialDecoder(); - ASSERT_TRUE(decoder != nullptr); - - const bool flipVertically = Orientation == Orient::FLIP_VERTICALLY; - - WithFilterPipeline(decoder, Forward<Func>(aFunc), - SurfaceConfig { decoder, IntSize(100, 100), - SurfaceFormat::B8G8R8A8, flipVertically }); -} - -template <typename Func> void -WithPalettedSurfaceSink(const IntRect& aFrameRect, Func aFunc) -{ - RefPtr<Decoder> decoder = CreateTrivialDecoder(); - ASSERT_TRUE(decoder != nullptr); - - WithFilterPipeline(decoder, Forward<Func>(aFunc), - PalettedSurfaceConfig { decoder, IntSize(100, 100), - aFrameRect, SurfaceFormat::B8G8R8A8, - 8, false }); -} - -void -ResetForNextPass(SurfaceFilter* aSink) -{ - aSink->ResetToFirstRow(); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); -} - -template <typename WriteFunc, typename CheckFunc> void -DoCheckIterativeWrite(SurfaceFilter* aSink, - WriteFunc aWriteFunc, - CheckFunc aCheckFunc) -{ - // Write the buffer to successive rows until every row of the surface - // has been written. - uint32_t row = 0; - WriteState result = WriteState::NEED_MORE_DATA; - while (result == WriteState::NEED_MORE_DATA) { - result = aWriteFunc(row); - ++row; - } - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(100u, row); - - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Check that the generated image is correct. - aCheckFunc(); -} - -template <typename WriteFunc> void -CheckIterativeWrite(Decoder* aDecoder, - SurfaceSink* aSink, - const IntRect& aOutputRect, - WriteFunc aWriteFunc) -{ - // Ignore the row passed to WriteFunc, since no callers use it. - auto writeFunc = [&](uint32_t) { - return aWriteFunc(); - }; - - DoCheckIterativeWrite(aSink, writeFunc, [&]{ - CheckGeneratedImage(aDecoder, aOutputRect); - }); -} - -template <typename WriteFunc> void -CheckPalettedIterativeWrite(Decoder* aDecoder, - PalettedSurfaceSink* aSink, - const IntRect& aOutputRect, - WriteFunc aWriteFunc) -{ - // Ignore the row passed to WriteFunc, since no callers use it. - auto writeFunc = [&](uint32_t) { - return aWriteFunc(); - }; - - DoCheckIterativeWrite(aSink, writeFunc, [&]{ - CheckGeneratedPalettedImage(aDecoder, aOutputRect); - }); -} - -TEST(ImageSurfaceSink, NullSurfaceSink) -{ - // Create the NullSurfaceSink. - NullSurfaceSink sink; - nsresult rv = sink.Configure(NullSurfaceConfig { }); - ASSERT_TRUE(NS_SUCCEEDED(rv)); - EXPECT_TRUE(!sink.IsValidPalettedPipe()); - - // Ensure that we can't write anything. - bool gotCalled = false; - auto result = sink.WritePixels<uint32_t>([&]() { - gotCalled = true; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_FALSE(gotCalled); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_TRUE(sink.IsSurfaceFinished()); - Maybe<SurfaceInvalidRect> invalidRect = sink.TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - uint32_t source = BGRAColor::Red().AsPixel(); - result = sink.WriteBuffer(&source); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_TRUE(sink.IsSurfaceFinished()); - invalidRect = sink.TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - result = sink.WriteBuffer(&source, 0, 1); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_TRUE(sink.IsSurfaceFinished()); - invalidRect = sink.TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - result = sink.WriteEmptyRow(); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_TRUE(sink.IsSurfaceFinished()); - invalidRect = sink.TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - result = sink.WriteUnsafeComputedRow<uint32_t>([&](uint32_t* aRow, - uint32_t aLength) { - gotCalled = true; - for (uint32_t col = 0; col < aLength; ++col, ++aRow) { - *aRow = BGRAColor::Red().AsPixel(); - } - }); - EXPECT_FALSE(gotCalled); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_TRUE(sink.IsSurfaceFinished()); - invalidRect = sink.TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - // Attempt to advance to the next row and make sure nothing changes. - sink.AdvanceRow(); - EXPECT_TRUE(sink.IsSurfaceFinished()); - invalidRect = sink.TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - // Attempt to advance to the next pass and make sure nothing changes. - sink.ResetToFirstRow(); - EXPECT_TRUE(sink.IsSurfaceFinished()); - invalidRect = sink.TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); -} - -TEST(ImageSurfaceSink, SurfaceSinkInitialization) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Check initial state. - EXPECT_FALSE(aSink->IsSurfaceFinished()); - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - // Check that the surface is zero-initialized. We verify this by calling - // CheckGeneratedImage() and telling it that we didn't write to the surface - // anyway (i.e., we wrote to the empty rect); it will then expect the entire - // surface to be transparent, which is what it should be if it was - // zero-initialied. - CheckGeneratedImage(aDecoder, IntRect(0, 0, 0, 0)); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWritePixels) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - CheckWritePixels(aDecoder, aSink); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWritePixelsFinish) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Write nothing into the surface; just finish immediately. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() { - count++; - return AsVariant(WriteState::FINISHED); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(1u, count); - - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Attempt to write more and make sure that nothing gets written. - count = 0; - result = aSink->WritePixels<uint32_t>([&]() { - count++; - return AsVariant(BGRAColor::Red().AsPixel()); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(0u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Check that the generated image is correct. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Transparent())); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWritePixelsEarlyExit) -{ - auto checkEarlyExit = - [](Decoder* aDecoder, SurfaceSink* aSink, WriteState aState) { - // Write half a row of green pixels and then exit early with |aState|. If - // the lambda keeps getting called, we'll write red pixels, which will cause - // the test to fail. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 50) { - return AsVariant(aState); - } - return count++ < 50 ? AsVariant(BGRAColor::Green().AsPixel()) - : AsVariant(BGRAColor::Red().AsPixel()); - }); - - EXPECT_EQ(aState, result); - EXPECT_EQ(50u, count); - CheckGeneratedImage(aDecoder, IntRect(0, 0, 50, 1)); - - if (aState != WriteState::FINISHED) { - // We should still be able to write more at this point. - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Verify that we can resume writing. We'll finish up the same row. - count = 0; - result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 50) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - ++count; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(50u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, 1)); - - return; - } - - // We should've finished the surface at this point. - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Attempt to write more and make sure that nothing gets written. - count = 0; - result = aSink->WritePixels<uint32_t>([&]{ - count++; - return AsVariant(BGRAColor::Red().AsPixel()); - }); - - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(0u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Check that the generated image is still correct. - CheckGeneratedImage(aDecoder, IntRect(0, 0, 50, 1)); - }; - - WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::NEED_MORE_DATA); - }); - - WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::FAILURE); - }); - - WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::FINISHED); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWritePixelsToRow) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Write the first 99 rows of our 100x100 surface and verify that even - // though our lambda will yield pixels forever, only one row is written per - // call to WritePixelsToRow(). - for (int row = 0; row < 99; ++row) { - uint32_t count = 0; - WriteState result = aSink->WritePixelsToRow<uint32_t>([&]{ - ++count; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(100u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isSome()); - EXPECT_EQ(IntRect(0, row, 100, 1), invalidRect->mInputSpaceRect); - EXPECT_EQ(IntRect(0, row, 100, 1), invalidRect->mOutputSpaceRect); - - CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, row + 1)); - } - - // Write the final line, which should finish the surface. - uint32_t count = 0; - WriteState result = aSink->WritePixelsToRow<uint32_t>([&]{ - ++count; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(100u, count); - - // Note that the final invalid rect we expect here is only the last row; - // that's because we called TakeInvalidRect() repeatedly in the loop above. - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 99, 100, 1), - IntRect(0, 99, 100, 1)); - - // Check that the generated image is correct. - CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, 100)); - - // Attempt to write more and make sure that nothing gets written. - count = 0; - result = aSink->WritePixelsToRow<uint32_t>([&]{ - count++; - return AsVariant(BGRAColor::Red().AsPixel()); - }); - - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(0u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Check that the generated image is still correct. - CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, 100)); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWritePixelsToRowEarlyExit) -{ - auto checkEarlyExit = - [](Decoder* aDecoder, SurfaceSink* aSink, WriteState aState) { - // Write half a row of green pixels and then exit early with |aState|. If - // the lambda keeps getting called, we'll write red pixels, which will cause - // the test to fail. - uint32_t count = 0; - auto result = aSink->WritePixelsToRow<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 50) { - return AsVariant(aState); - } - return count++ < 50 ? AsVariant(BGRAColor::Green().AsPixel()) - : AsVariant(BGRAColor::Red().AsPixel()); - }); - - EXPECT_EQ(aState, result); - EXPECT_EQ(50u, count); - CheckGeneratedImage(aDecoder, IntRect(0, 0, 50, 1)); - - if (aState != WriteState::FINISHED) { - // We should still be able to write more at this point. - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Verify that we can resume the same row and still stop at the end. - count = 0; - WriteState result = aSink->WritePixelsToRow<uint32_t>([&]{ - ++count; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(50u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, 1)); - - return; - } - - // We should've finished the surface at this point. - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Attempt to write more and make sure that nothing gets written. - count = 0; - result = aSink->WritePixelsToRow<uint32_t>([&]{ - count++; - return AsVariant(BGRAColor::Red().AsPixel()); - }); - - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(0u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Check that the generated image is still correct. - CheckGeneratedImage(aDecoder, IntRect(0, 0, 50, 1)); - }; - - WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::NEED_MORE_DATA); - }); - - WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::FAILURE); - }); - - WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::FINISHED); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWriteBuffer) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Create a green buffer the same size as one row of the surface (which is 100x100), - // containing 60 pixels of green in the middle and 20 transparent pixels on - // either side. - uint32_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = 20 <= i && i < 80 ? BGRAColor::Green().AsPixel() - : BGRAColor::Transparent().AsPixel(); - } - - // Write the buffer to every row of the surface and check that the generated - // image is correct. - CheckIterativeWrite(aDecoder, aSink, IntRect(20, 0, 60, 100), [&]{ - return aSink->WriteBuffer(buffer); - }); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWriteBufferPartialRow) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Create a buffer the same size as one row of the surface, containing all - // green pixels. - uint32_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = BGRAColor::Green().AsPixel(); - } - - // Write the buffer to the middle 60 pixels of every row of the surface and - // check that the generated image is correct. - CheckIterativeWrite(aDecoder, aSink, IntRect(20, 0, 60, 100), [&]{ - return aSink->WriteBuffer(buffer, 20, 60); - }); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWriteBufferPartialRowStartColOverflow) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Create a buffer the same size as one row of the surface, containing all - // green pixels. - uint32_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = BGRAColor::Green().AsPixel(); - } - - { - // Write the buffer to successive rows until every row of the surface - // has been written. We place the start column beyond the end of the row, - // which will prevent us from writing anything, so we check that the - // generated image is entirely transparent. - CheckIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{ - return aSink->WriteBuffer(buffer, 100, 100); - }); - } - - ResetForNextPass(aSink); - - { - // Write the buffer to successive rows until every row of the surface - // has been written. We use column 50 as the start column, but we still - // write the buffer, which means we overflow the right edge of the surface - // by 50 pixels. We check that the left half of the generated image is - // transparent and the right half is green. - CheckIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{ - return aSink->WriteBuffer(buffer, 50, 100); - }); - } - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWriteBufferPartialRowBufferOverflow) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Create a buffer twice as large as a row of the surface. The first half - // (which is as large as a row of the image) will contain green pixels, - // while the second half will contain red pixels. - uint32_t buffer[200]; - for (int i = 0; i < 200; ++i) { - buffer[i] = i < 100 ? BGRAColor::Green().AsPixel() - : BGRAColor::Red().AsPixel(); - } - - { - // Write the buffer to successive rows until every row of the surface has - // been written. The buffer extends 100 pixels to the right of a row of - // the surface, but bounds checking will prevent us from overflowing the - // buffer. We check that the generated image is entirely green since the - // pixels on the right side of the buffer shouldn't have been written to - // the surface. - CheckIterativeWrite(aDecoder, aSink, IntRect(0, 0, 100, 100), [&]{ - return aSink->WriteBuffer(buffer, 0, 200); - }); - } - - ResetForNextPass(aSink); - - { - // Write from the buffer to the middle of each row of the surface. That - // means that the left side of each row should be transparent, since we - // didn't write anything there. A buffer overflow would cause us to write - // buffer contents into the left side of each row. We check that the - // generated image is transparent on the left side and green on the right. - CheckIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{ - return aSink->WriteBuffer(buffer, 50, 200); - }); - } - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWriteBufferFromNullSource) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Calling WriteBuffer() with a null pointer should fail without making any - // changes to the surface. - uint32_t* nullBuffer = nullptr; - WriteState result = aSink->WriteBuffer(nullBuffer); - - EXPECT_EQ(WriteState::FAILURE, result); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - // Check that nothing got written to the surface. - CheckGeneratedImage(aDecoder, IntRect(0, 0, 0, 0)); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWriteEmptyRow) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - { - // Write an empty row to each row of the surface. We check that the - // generated image is entirely transparent. - CheckIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{ - return aSink->WriteEmptyRow(); - }); - } - - ResetForNextPass(aSink); - - { - // Write a partial row before we begin calling WriteEmptyRow(). We check - // that the generated image is entirely transparent, which is to be - // expected since WriteEmptyRow() overwrites the current row even if some - // data has already been written to it. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 50) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - ++count; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(50u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - CheckIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{ - return aSink->WriteEmptyRow(); - }); - } - - ResetForNextPass(aSink); - - { - // Create a buffer the same size as one row of the surface, containing all - // green pixels. - uint32_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = BGRAColor::Green().AsPixel(); - } - - // Write an empty row to the middle 60 rows of the surface. The first 20 - // and last 20 rows will be green. (We need to use DoCheckIterativeWrite() - // here because we need a custom function to check the output, since it - // can't be described by a simple rect.) - auto writeFunc = [&](uint32_t aRow) { - if (aRow < 20 || aRow >= 80) { - return aSink->WriteBuffer(buffer); - } else { - return aSink->WriteEmptyRow(); - } - }; - - auto checkFunc = [&]{ - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - EXPECT_TRUE(RowsAreSolidColor(surface, 0, 20, BGRAColor::Green())); - EXPECT_TRUE(RowsAreSolidColor(surface, 20, 60, BGRAColor::Transparent())); - EXPECT_TRUE(RowsAreSolidColor(surface, 80, 20, BGRAColor::Green())); - }; - - DoCheckIterativeWrite(aSink, writeFunc, checkFunc); - } - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkWriteUnsafeComputedRow) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - // Create a green buffer the same size as one row of the surface. - uint32_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = BGRAColor::Green().AsPixel(); - } - - // Write the buffer to successive rows until every row of the surface - // has been written. We only write to the right half of each row, so we - // check that the left side of the generated image is transparent and the - // right side is green. - CheckIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{ - return aSink->WriteUnsafeComputedRow<uint32_t>([&](uint32_t* aRow, - uint32_t aLength) { - EXPECT_EQ(100u, aLength ); - memcpy(aRow + 50, buffer, 50 * sizeof(uint32_t)); - }); - }); - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkProgressivePasses) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - { - // Fill the image with a first pass of red. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() { - ++count; - return AsVariant(BGRAColor::Red().AsPixel()); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(100u * 100u, count); - - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Check that the generated image is correct. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Red())); - } - - { - ResetForNextPass(aSink); - - // Check that the generated image is still the first pass image. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Red())); - } - - { - // Fill the image with a second pass of green. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() { - ++count; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(100u * 100u, count); - - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Check that the generated image is correct. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Green())); - } - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkInvalidRect) -{ - WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) { - { - // Write one row. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 100) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - count++; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(100u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Assert that we have the right invalid rect. - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isSome()); - EXPECT_EQ(IntRect(0, 0, 100, 1), invalidRect->mInputSpaceRect); - EXPECT_EQ(IntRect(0, 0, 100, 1), invalidRect->mOutputSpaceRect); - } - - { - // Write eight rows. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 100 * 8) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - count++; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(100u * 8u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Assert that we have the right invalid rect. - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isSome()); - EXPECT_EQ(IntRect(0, 1, 100, 8), invalidRect->mInputSpaceRect); - EXPECT_EQ(IntRect(0, 1, 100, 8), invalidRect->mOutputSpaceRect); - } - - { - // Write the left half of one row. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 50) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - count++; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(50u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Assert that we don't have an invalid rect, since the invalid rect only - // gets updated when a row gets completed. - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - } - - { - // Write the right half of the same row. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 50) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - count++; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(50u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Assert that we have the right invalid rect, which will include both the - // left and right halves of this row now that we've completed it. - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isSome()); - EXPECT_EQ(IntRect(0, 9, 100, 1), invalidRect->mInputSpaceRect); - EXPECT_EQ(IntRect(0, 9, 100, 1), invalidRect->mOutputSpaceRect); - } - - { - // Write no rows. - auto result = aSink->WritePixels<uint32_t>([&]() { - return AsVariant(WriteState::NEED_MORE_DATA); - }); - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Assert that we don't have an invalid rect. - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - } - - { - // Fill the rest of the image. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() { - count++; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(100u * 90u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Assert that we have the right invalid rect. - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isSome()); - EXPECT_EQ(IntRect(0, 10, 100, 90), invalidRect->mInputSpaceRect); - EXPECT_EQ(IntRect(0, 10, 100, 90), invalidRect->mOutputSpaceRect); - - // Check that the generated image is correct. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Green())); - } - }); -} - -TEST(ImageSurfaceSink, SurfaceSinkFlipVertically) -{ - WithSurfaceSink<Orient::FLIP_VERTICALLY>([](Decoder* aDecoder, - SurfaceSink* aSink) { - { - // Fill the image with a first pass of red. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() { - ++count; - return AsVariant(BGRAColor::Red().AsPixel()); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(100u * 100u, count); - - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Check that the generated image is correct. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Red())); - } - - { - ResetForNextPass(aSink); - - // Check that the generated image is still the first pass image. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Red())); - } - - { - // Fill 25 rows of the image with green and make sure everything is OK. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count == 25 * 100) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - count++; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(25u * 100u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Assert that we have the right invalid rect, which should include the - // *bottom* (since we're flipping vertically) 25 rows of the image. - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isSome()); - EXPECT_EQ(IntRect(0, 75, 100, 25), invalidRect->mInputSpaceRect); - EXPECT_EQ(IntRect(0, 75, 100, 25), invalidRect->mOutputSpaceRect); - - // Check that the generated image is correct. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(RowsAreSolidColor(surface, 0, 75, BGRAColor::Red())); - EXPECT_TRUE(RowsAreSolidColor(surface, 75, 25, BGRAColor::Green())); - } - - { - // Fill the rest of the image with a second pass of green. - uint32_t count = 0; - auto result = aSink->WritePixels<uint32_t>([&]() { - ++count; - return AsVariant(BGRAColor::Green().AsPixel()); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(75u * 100u, count); - - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 75), - IntRect(0, 0, 100, 75)); - - // Check that the generated image is correct. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Green())); - } - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkInitialization) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Check initial state. - EXPECT_FALSE(aSink->IsSurfaceFinished()); - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - // Check that the paletted image data is zero-initialized. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - uint8_t* imageData = nullptr; - uint32_t imageLength = 0; - currentFrame->GetImageData(&imageData, &imageLength); - ASSERT_TRUE(imageData != nullptr); - ASSERT_EQ(100u * 100u, imageLength); - for (uint32_t i = 0; i < imageLength; ++i) { - ASSERT_EQ(uint8_t(0), imageData[i]); - } - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFor0_0_100_100) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - CheckPalettedWritePixels(aDecoder, aSink); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFor25_25_50_50) -{ - WithPalettedSurfaceSink(IntRect(25, 25, 50, 50), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - CheckPalettedWritePixels(aDecoder, aSink, - /* aOutputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputWriteRect = */ Some(IntRect(25, 25, 50, 50)), - /* aOutputWriteRect = */ Some(IntRect(25, 25, 50, 50))); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsForMinus25_Minus25_50_50) -{ - WithPalettedSurfaceSink(IntRect(-25, -25, 50, 50), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - CheckPalettedWritePixels(aDecoder, aSink, - /* aOutputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputWriteRect = */ Some(IntRect(-25, -25, 50, 50)), - /* aOutputWriteRect = */ Some(IntRect(-25, -25, 50, 50))); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFor75_Minus25_50_50) -{ - WithPalettedSurfaceSink(IntRect(75, -25, 50, 50), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - CheckPalettedWritePixels(aDecoder, aSink, - /* aOutputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputWriteRect = */ Some(IntRect(75, -25, 50, 50)), - /* aOutputWriteRect = */ Some(IntRect(75, -25, 50, 50))); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsForMinus25_75_50_50) -{ - WithPalettedSurfaceSink(IntRect(-25, 75, 50, 50), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - CheckPalettedWritePixels(aDecoder, aSink, - /* aOutputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputWriteRect = */ Some(IntRect(-25, 75, 50, 50)), - /* aOutputWriteRect = */ Some(IntRect(-25, 75, 50, 50))); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFor75_75_50_50) -{ - WithPalettedSurfaceSink(IntRect(75, 75, 50, 50), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - CheckPalettedWritePixels(aDecoder, aSink, - /* aOutputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputRect = */ Some(IntRect(0, 0, 50, 50)), - /* aInputWriteRect = */ Some(IntRect(75, 75, 50, 50)), - /* aOutputWriteRect = */ Some(IntRect(75, 75, 50, 50))); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFinish) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Write nothing into the surface; just finish immediately. - uint32_t count = 0; - auto result = aSink->WritePixels<uint8_t>([&]{ - count++; - return AsVariant(WriteState::FINISHED); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(1u, count); - - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Attempt to write more and make sure that nothing gets written. - count = 0; - result = aSink->WritePixels<uint8_t>([&]() { - count++; - return AsVariant(uint8_t(128)); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(0u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Check that the generated image is correct. - EXPECT_TRUE(IsSolidPalettedColor(aDecoder, 0)); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsEarlyExit) -{ - auto checkEarlyExit = - [](Decoder* aDecoder, PalettedSurfaceSink* aSink, WriteState aState) { - // Write half a row of green pixels and then exit early with |aState|. If - // the lambda keeps getting called, we'll write red pixels, which will cause - // the test to fail. - uint32_t count = 0; - auto result = aSink->WritePixels<uint8_t>([&]() -> NextPixel<uint8_t> { - if (count == 50) { - return AsVariant(aState); - } - return count++ < 50 ? AsVariant(uint8_t(255)) : AsVariant(uint8_t(128)); - }); - - EXPECT_EQ(aState, result); - EXPECT_EQ(50u, count); - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 50, 1)); - - if (aState != WriteState::FINISHED) { - // We should still be able to write more at this point. - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Verify that we can resume writing. We'll finish up the same row. - count = 0; - result = aSink->WritePixels<uint8_t>([&]() -> NextPixel<uint8_t> { - if (count == 50) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - ++count; - return AsVariant(uint8_t(255)); - }); - - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(50u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, 1)); - - return; - } - - // We should've finished the surface at this point. - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Attempt to write more and make sure that nothing gets written. - count = 0; - result = aSink->WritePixels<uint8_t>([&]{ - count++; - return AsVariant(uint8_t(128)); - }); - - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(0u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Check that the generated image is still correct. - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 50, 1)); - }; - - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [&](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::NEED_MORE_DATA); - }); - - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [&](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::FAILURE); - }); - - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [&](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::FINISHED); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsToRow) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Write the first 99 rows of our 100x100 surface and verify that even - // though our lambda will yield pixels forever, only one row is written per - // call to WritePixelsToRow(). - for (int row = 0; row < 99; ++row) { - uint32_t count = 0; - WriteState result = aSink->WritePixelsToRow<uint8_t>([&]{ - ++count; - return AsVariant(uint8_t(255)); - }); - - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(100u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isSome()); - EXPECT_EQ(IntRect(0, row, 100, 1), invalidRect->mInputSpaceRect); - EXPECT_EQ(IntRect(0, row, 100, 1), invalidRect->mOutputSpaceRect); - - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, row + 1)); - } - - // Write the final line, which should finish the surface. - uint32_t count = 0; - WriteState result = aSink->WritePixelsToRow<uint8_t>([&]{ - ++count; - return AsVariant(uint8_t(255)); - }); - - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(100u, count); - - // Note that the final invalid rect we expect here is only the last row; - // that's because we called TakeInvalidRect() repeatedly in the loop above. - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 99, 100, 1), - IntRect(0, 99, 100, 1)); - - // Check that the generated image is correct. - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, 100)); - - // Attempt to write more and make sure that nothing gets written. - count = 0; - result = aSink->WritePixelsToRow<uint8_t>([&]{ - count++; - return AsVariant(uint8_t(128)); - }); - - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(0u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Check that the generated image is still correct. - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, 100)); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsToRowEarlyExit) -{ - auto checkEarlyExit = - [](Decoder* aDecoder, PalettedSurfaceSink* aSink, WriteState aState) { - // Write half a row of 255s and then exit early with |aState|. If the lambda - // keeps getting called, we'll write 128s, which will cause the test to - // fail. - uint32_t count = 0; - auto result = aSink->WritePixelsToRow<uint8_t>([&]() -> NextPixel<uint8_t> { - if (count == 50) { - return AsVariant(aState); - } - return count++ < 50 ? AsVariant(uint8_t(255)) - : AsVariant(uint8_t(128)); - }); - - EXPECT_EQ(aState, result); - EXPECT_EQ(50u, count); - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 50, 1)); - - if (aState != WriteState::FINISHED) { - // We should still be able to write more at this point. - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - // Verify that we can resume the same row and still stop at the end. - count = 0; - WriteState result = aSink->WritePixelsToRow<uint8_t>([&]{ - ++count; - return AsVariant(uint8_t(255)); - }); - - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(50u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, 1)); - - return; - } - - // We should've finished the surface at this point. - AssertCorrectPipelineFinalState(aSink, - IntRect(0, 0, 100, 100), - IntRect(0, 0, 100, 100)); - - // Attempt to write more and make sure that nothing gets written. - count = 0; - result = aSink->WritePixelsToRow<uint8_t>([&]{ - count++; - return AsVariant(uint8_t(128)); - }); - - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(0u, count); - EXPECT_TRUE(aSink->IsSurfaceFinished()); - - // Check that the generated image is still correct. - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 50, 1)); - }; - - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [&](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::NEED_MORE_DATA); - }); - - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [&](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::FAILURE); - }); - - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [&](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - checkEarlyExit(aDecoder, aSink, WriteState::FINISHED); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBuffer) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Create a buffer the same size as one row of the surface (which is 100x100), - // containing 60 pixels of 255 in the middle and 20 transparent pixels of 0 on - // either side. - uint8_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = 20 <= i && i < 80 ? 255 : 0; - } - - // Write the buffer to every row of the surface and check that the generated - // image is correct. - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(20, 0, 60, 100), [&]{ - return aSink->WriteBuffer(buffer); - }); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBufferPartialRow) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Create a buffer the same size as one row of the surface, containing all - // 255 pixels. - uint8_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = 255; - } - - // Write the buffer to the middle 60 pixels of every row of the surface and - // check that the generated image is correct. - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(20, 0, 60, 100), [&]{ - return aSink->WriteBuffer(buffer, 20, 60); - }); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBufferPartialRowStartColOverflow) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Create a buffer the same size as one row of the surface, containing all - // 255 pixels. - uint8_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = 255; - } - - { - // Write the buffer to successive rows until every row of the surface - // has been written. We place the start column beyond the end of the row, - // which will prevent us from writing anything, so we check that the - // generated image is entirely 0. - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{ - return aSink->WriteBuffer(buffer, 100, 100); - }); - } - - ResetForNextPass(aSink); - - { - // Write the buffer to successive rows until every row of the surface - // has been written. We use column 50 as the start column, but we still - // write the buffer, which means we overflow the right edge of the surface - // by 50 pixels. We check that the left half of the generated image is - // 0 and the right half is 255. - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{ - return aSink->WriteBuffer(buffer, 50, 100); - }); - } - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBufferPartialRowBufferOverflow) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Create a buffer twice as large as a row of the surface. The first half - // (which is as large as a row of the image) will contain 255 pixels, - // while the second half will contain 128 pixels. - uint8_t buffer[200]; - for (int i = 0; i < 200; ++i) { - buffer[i] = i < 100 ? 255 : 128; - } - - { - // Write the buffer to successive rows until every row of the surface has - // been written. The buffer extends 100 pixels to the right of a row of - // the surface, but bounds checking will prevent us from overflowing the - // buffer. We check that the generated image is entirely 255 since the - // pixels on the right side of the buffer shouldn't have been written to - // the surface. - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(0, 0, 100, 100), [&]{ - return aSink->WriteBuffer(buffer, 0, 200); - }); - } - - ResetForNextPass(aSink); - - { - // Write from the buffer to the middle of each row of the surface. That - // means that the left side of each row should be 0, since we didn't write - // anything there. A buffer overflow would cause us to write buffer - // contents into the left side of each row. We check that the generated - // image is 0 on the left side and 255 on the right. - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{ - return aSink->WriteBuffer(buffer, 50, 200); - }); - } - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBufferFromNullSource) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Calling WriteBuffer() with a null pointer should fail without making any - // changes to the surface. - uint8_t* nullBuffer = nullptr; - WriteState result = aSink->WriteBuffer(nullBuffer); - - EXPECT_EQ(WriteState::FAILURE, result); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - // Check that nothing got written to the surface. - CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 0, 0)); - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteEmptyRow) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - { - // Write an empty row to each row of the surface. We check that the - // generated image is entirely 0. - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{ - return aSink->WriteEmptyRow(); - }); - } - - ResetForNextPass(aSink); - - { - // Write a partial row before we begin calling WriteEmptyRow(). We check - // that the generated image is entirely 0, which is to be expected since - // WriteEmptyRow() overwrites the current row even if some data has - // already been written to it. - uint32_t count = 0; - auto result = aSink->WritePixels<uint8_t>([&]() -> NextPixel<uint8_t> { - if (count == 50) { - return AsVariant(WriteState::NEED_MORE_DATA); - } - ++count; - return AsVariant(uint8_t(255)); - }); - - EXPECT_EQ(WriteState::NEED_MORE_DATA, result); - EXPECT_EQ(50u, count); - EXPECT_FALSE(aSink->IsSurfaceFinished()); - - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{ - return aSink->WriteEmptyRow(); - }); - } - - ResetForNextPass(aSink); - - { - // Create a buffer the same size as one row of the surface, containing all - // 255 pixels. - uint8_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = 255; - } - - // Write an empty row to the middle 60 rows of the surface. The first 20 - // and last 20 rows will be 255. (We need to use DoCheckIterativeWrite() - // here because we need a custom function to check the output, since it - // can't be described by a simple rect.) - auto writeFunc = [&](uint32_t aRow) { - if (aRow < 20 || aRow >= 80) { - return aSink->WriteBuffer(buffer); - } else { - return aSink->WriteEmptyRow(); - } - }; - - auto checkFunc = [&]{ - EXPECT_TRUE(PalettedRowsAreSolidColor(aDecoder, 0, 20, 255)); - EXPECT_TRUE(PalettedRowsAreSolidColor(aDecoder, 20, 60, 0)); - EXPECT_TRUE(PalettedRowsAreSolidColor(aDecoder, 80, 20, 255)); - }; - - DoCheckIterativeWrite(aSink, writeFunc, checkFunc); - } - }); -} - -TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteUnsafeComputedRow) -{ - WithPalettedSurfaceSink(IntRect(0, 0, 100, 100), - [](Decoder* aDecoder, PalettedSurfaceSink* aSink) { - // Create an all-255 buffer the same size as one row of the surface. - uint8_t buffer[100]; - for (int i = 0; i < 100; ++i) { - buffer[i] = 255; - } - - // Write the buffer to successive rows until every row of the surface has - // been written. We only write to the right half of each row, so we check - // that the left side of the generated image is 0 and the right side is 255. - CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{ - return aSink->WriteUnsafeComputedRow<uint8_t>([&](uint8_t* aRow, - uint32_t aLength) { - EXPECT_EQ(100u, aLength ); - memcpy(aRow + 50, buffer, 50 * sizeof(uint8_t)); - }); - }); - }); -} |