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/* -*- 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
#include "gtest/gtest.h"
#include "mozilla/gfx/2D.h"
#include "skia/include/core/SkColorPriv.h" // for SkPMSrcOver
#include "Common.h"
#include "Decoder.h"
#include "DecoderFactory.h"
#include "SourceBuffer.h"
#include "SurfaceFilters.h"
#include "SurfacePipe.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::image;
static already_AddRefed<image::Decoder> CreateTrivialBlendingDecoder() {
DecoderType decoderType = DecoderFactory::GetDecoderType("image/gif");
DecoderFlags decoderFlags = DefaultDecoderFlags();
SurfaceFlags surfaceFlags = DefaultSurfaceFlags();
auto sourceBuffer = MakeNotNull<RefPtr<SourceBuffer>>();
return DecoderFactory::CreateAnonymousDecoder(
decoderType, sourceBuffer, Nothing(), decoderFlags, surfaceFlags);
}
template <typename Func>
RawAccessFrameRef WithBlendAnimationFilter(image::Decoder* aDecoder,
const AnimationParams& aAnimParams,
const IntSize& aOutputSize,
Func aFunc) {
DecoderTestHelper decoderHelper(aDecoder);
if (!aDecoder->HasAnimation()) {
decoderHelper.PostIsAnimated(aAnimParams.mTimeout);
}
BlendAnimationConfig blendAnim{aDecoder};
SurfaceConfig surfaceSink{aDecoder, aOutputSize, SurfaceFormat::OS_RGBA,
false, Some(aAnimParams)};
auto func = [&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
aFunc(aDecoder, aFilter);
};
WithFilterPipeline(aDecoder, func, false, blendAnim, surfaceSink);
RawAccessFrameRef current = aDecoder->GetCurrentFrameRef();
if (current) {
decoderHelper.PostFrameStop(Opacity::SOME_TRANSPARENCY);
}
return current;
}
void AssertConfiguringBlendAnimationFilterFails(const IntRect& aFrameRect,
const IntSize& aOutputSize) {
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams animParams{aFrameRect, FrameTimeout::FromRawMilliseconds(0),
0, BlendMethod::SOURCE, DisposalMethod::KEEP};
BlendAnimationConfig blendAnim{decoder};
SurfaceConfig surfaceSink{decoder, aOutputSize, SurfaceFormat::OS_RGBA, false,
Some(animParams)};
AssertConfiguringPipelineFails(decoder, blendAnim, surfaceSink);
}
TEST(ImageBlendAnimationFilter, BlendFailsForNegativeFrameRect)
{
// A negative frame rect size is disallowed.
AssertConfiguringBlendAnimationFilterFails(
IntRect(IntPoint(0, 0), IntSize(-1, -1)), IntSize(100, 100));
}
TEST(ImageBlendAnimationFilter, WriteFullFirstFrame)
{
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params{
IntRect(0, 0, 100, 100), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params, IntSize(100, 100),
[](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
CheckWritePixels(aDecoder, aFilter, Some(IntRect(0, 0, 100, 100)));
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
}
TEST(ImageBlendAnimationFilter, WritePartialFirstFrame)
{
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params{
IntRect(25, 50, 50, 25), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params, IntSize(100, 100),
[](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
CheckWritePixels(aDecoder, aFilter, Some(IntRect(0, 0, 100, 100)),
Nothing(), Some(IntRect(25, 50, 50, 25)),
Some(IntRect(25, 50, 50, 25)));
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
}
static void TestWithBlendAnimationFilterClear(BlendMethod aBlendMethod) {
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params0{
IntRect(0, 0, 100, 100), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params0, IntSize(100, 100),
[](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(BGRAColor::Green().AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
AnimationParams params1{
IntRect(0, 40, 100, 20), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 1, BlendMethod::SOURCE, DisposalMethod::CLEAR};
RawAccessFrameRef frame1 = WithBlendAnimationFilter(
decoder, params1, IntSize(100, 100),
[](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(BGRAColor::Red().AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 40, 100, 20), frame1->GetDirtyRect());
ASSERT_TRUE(frame1.get() != nullptr);
RefPtr<SourceSurface> surface = frame1->GetSourceSurface();
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 40, BGRAColor::Green()));
EXPECT_TRUE(RowsAreSolidColor(surface, 40, 20, BGRAColor::Red()));
EXPECT_TRUE(RowsAreSolidColor(surface, 60, 40, BGRAColor::Green()));
AnimationParams params2{
IntRect(0, 50, 100, 20), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 2, aBlendMethod, DisposalMethod::KEEP};
RawAccessFrameRef frame2 = WithBlendAnimationFilter(
decoder, params2, IntSize(100, 100),
[](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(BGRAColor::Blue().AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
ASSERT_TRUE(frame2.get() != nullptr);
surface = frame2->GetSourceSurface();
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 40, BGRAColor::Green()));
EXPECT_TRUE(RowsAreSolidColor(surface, 40, 10, BGRAColor::Transparent()));
EXPECT_TRUE(RowsAreSolidColor(surface, 50, 20, BGRAColor::Blue()));
EXPECT_TRUE(RowsAreSolidColor(surface, 70, 30, BGRAColor::Green()));
}
TEST(ImageBlendAnimationFilter, ClearWithOver)
{ TestWithBlendAnimationFilterClear(BlendMethod::OVER); }
TEST(ImageBlendAnimationFilter, ClearWithSource)
{ TestWithBlendAnimationFilterClear(BlendMethod::SOURCE); }
TEST(ImageBlendAnimationFilter, KeepWithSource)
{
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params0{
IntRect(0, 0, 100, 100), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params0, IntSize(100, 100),
[](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(BGRAColor::Green().AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
AnimationParams params1{
IntRect(0, 40, 100, 20), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 1, BlendMethod::SOURCE, DisposalMethod::KEEP};
RawAccessFrameRef frame1 = WithBlendAnimationFilter(
decoder, params1, IntSize(100, 100),
[](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(BGRAColor::Red().AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 40, 100, 20), frame1->GetDirtyRect());
ASSERT_TRUE(frame1.get() != nullptr);
RefPtr<SourceSurface> surface = frame1->GetSourceSurface();
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 40, BGRAColor::Green()));
EXPECT_TRUE(RowsAreSolidColor(surface, 40, 20, BGRAColor::Red()));
EXPECT_TRUE(RowsAreSolidColor(surface, 60, 40, BGRAColor::Green()));
}
TEST(ImageBlendAnimationFilter, KeepWithOver)
{
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params0{
IntRect(0, 0, 100, 100), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
BGRAColor frameColor0(0, 0xFF, 0, 0x40);
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params0, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor0.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
AnimationParams params1{
IntRect(0, 40, 100, 20), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 1, BlendMethod::OVER, DisposalMethod::KEEP};
BGRAColor frameColor1(0, 0, 0xFF, 0x80);
RawAccessFrameRef frame1 = WithBlendAnimationFilter(
decoder, params1, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor1.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 40, 100, 20), frame1->GetDirtyRect());
ASSERT_TRUE(frame1.get() != nullptr);
BGRAColor blendedColor(0, 0x20, 0x80, 0xA0, true); // already premultiplied
EXPECT_EQ(SkPMSrcOver(frameColor1.AsPixel(), frameColor0.AsPixel()),
blendedColor.AsPixel());
RefPtr<SourceSurface> surface = frame1->GetSourceSurface();
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 40, frameColor0));
EXPECT_TRUE(RowsAreSolidColor(surface, 40, 20, blendedColor));
EXPECT_TRUE(RowsAreSolidColor(surface, 60, 40, frameColor0));
}
TEST(ImageBlendAnimationFilter, RestorePreviousWithOver)
{
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params0{
IntRect(0, 0, 100, 100), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
BGRAColor frameColor0(0, 0xFF, 0, 0x40);
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params0, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor0.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
AnimationParams params1{
IntRect(0, 10, 100, 80), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 1, BlendMethod::SOURCE, DisposalMethod::RESTORE_PREVIOUS};
BGRAColor frameColor1 = BGRAColor::Green();
RawAccessFrameRef frame1 = WithBlendAnimationFilter(
decoder, params1, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor1.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 10, 100, 80), frame1->GetDirtyRect());
AnimationParams params2{
IntRect(0, 40, 100, 20), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 2, BlendMethod::OVER, DisposalMethod::KEEP};
BGRAColor frameColor2(0, 0, 0xFF, 0x80);
RawAccessFrameRef frame2 = WithBlendAnimationFilter(
decoder, params2, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor2.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 10, 100, 80), frame2->GetDirtyRect());
ASSERT_TRUE(frame2.get() != nullptr);
BGRAColor blendedColor(0, 0x20, 0x80, 0xA0, true); // already premultiplied
EXPECT_EQ(SkPMSrcOver(frameColor2.AsPixel(), frameColor0.AsPixel()),
blendedColor.AsPixel());
RefPtr<SourceSurface> surface = frame2->GetSourceSurface();
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 40, frameColor0));
EXPECT_TRUE(RowsAreSolidColor(surface, 40, 20, blendedColor));
EXPECT_TRUE(RowsAreSolidColor(surface, 60, 40, frameColor0));
}
TEST(ImageBlendAnimationFilter, RestorePreviousWithSource)
{
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params0{
IntRect(0, 0, 100, 100), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
BGRAColor frameColor0(0, 0xFF, 0, 0x40);
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params0, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor0.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
AnimationParams params1{
IntRect(0, 10, 100, 80), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 1, BlendMethod::SOURCE, DisposalMethod::RESTORE_PREVIOUS};
BGRAColor frameColor1 = BGRAColor::Green();
RawAccessFrameRef frame1 = WithBlendAnimationFilter(
decoder, params1, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor1.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 10, 100, 80), frame1->GetDirtyRect());
AnimationParams params2{
IntRect(0, 40, 100, 20), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 2, BlendMethod::SOURCE, DisposalMethod::KEEP};
BGRAColor frameColor2(0, 0, 0xFF, 0x80);
RawAccessFrameRef frame2 = WithBlendAnimationFilter(
decoder, params2, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor2.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 10, 100, 80), frame2->GetDirtyRect());
ASSERT_TRUE(frame2.get() != nullptr);
RefPtr<SourceSurface> surface = frame2->GetSourceSurface();
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 40, frameColor0));
EXPECT_TRUE(RowsAreSolidColor(surface, 40, 20, frameColor2));
EXPECT_TRUE(RowsAreSolidColor(surface, 60, 40, frameColor0));
}
TEST(ImageBlendAnimationFilter, RestorePreviousClearWithSource)
{
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params0{
IntRect(0, 0, 100, 100), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
BGRAColor frameColor0 = BGRAColor::Red();
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params0, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor0.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
AnimationParams params1{
IntRect(0, 0, 100, 20), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 1, BlendMethod::SOURCE, DisposalMethod::CLEAR};
BGRAColor frameColor1 = BGRAColor::Blue();
RawAccessFrameRef frame1 = WithBlendAnimationFilter(
decoder, params1, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor1.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 20), frame1->GetDirtyRect());
AnimationParams params2{
IntRect(0, 10, 100, 80), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 2, BlendMethod::SOURCE, DisposalMethod::RESTORE_PREVIOUS};
BGRAColor frameColor2 = BGRAColor::Green();
RawAccessFrameRef frame2 = WithBlendAnimationFilter(
decoder, params2, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor2.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 90), frame2->GetDirtyRect());
AnimationParams params3{
IntRect(0, 40, 100, 20), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 3, BlendMethod::SOURCE, DisposalMethod::KEEP};
BGRAColor frameColor3 = BGRAColor::Blue();
RawAccessFrameRef frame3 = WithBlendAnimationFilter(
decoder, params3, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor3.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 90), frame3->GetDirtyRect());
ASSERT_TRUE(frame3.get() != nullptr);
RefPtr<SourceSurface> surface = frame3->GetSourceSurface();
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 20, BGRAColor::Transparent()));
EXPECT_TRUE(RowsAreSolidColor(surface, 20, 20, frameColor0));
EXPECT_TRUE(RowsAreSolidColor(surface, 40, 20, frameColor3));
EXPECT_TRUE(RowsAreSolidColor(surface, 60, 40, frameColor0));
}
TEST(ImageBlendAnimationFilter, PartialOverlapFrameRect)
{
RefPtr<image::Decoder> decoder = CreateTrivialBlendingDecoder();
ASSERT_TRUE(decoder != nullptr);
AnimationParams params0{
IntRect(-10, -20, 110, 100), FrameTimeout::FromRawMilliseconds(0),
/* aFrameNum */ 0, BlendMethod::SOURCE, DisposalMethod::KEEP};
BGRAColor frameColor0 = BGRAColor::Red();
RawAccessFrameRef frame0 = WithBlendAnimationFilter(
decoder, params0, IntSize(100, 100),
[&](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
auto result = aFilter->WritePixels<uint32_t>(
[&] { return AsVariant(frameColor0.AsPixel()); });
EXPECT_EQ(WriteState::FINISHED, result);
});
EXPECT_EQ(IntRect(0, 0, 100, 100), frame0->GetDirtyRect());
RefPtr<SourceSurface> surface = frame0->GetSourceSurface();
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 80, frameColor0));
EXPECT_TRUE(RowsAreSolidColor(surface, 80, 20, BGRAColor::Transparent()));
}