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- // Copyright 2017 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "cc/paint/solid_color_analyzer.h"
- #include "base/memory/ref_counted.h"
- #include "build/build_config.h"
- #include "cc/paint/display_item_list.h"
- #include "cc/paint/paint_filter.h"
- #include "cc/paint/record_paint_canvas.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "third_party/abseil-cpp/absl/types/optional.h"
- #include "ui/gfx/geometry/skia_conversions.h"
- namespace cc {
- namespace {
- class SolidColorAnalyzerTest : public testing::Test {
- public:
- void SetUp() override {
- display_item_list_ = base::MakeRefCounted<DisplayItemList>(
- DisplayItemList::kToBeReleasedAsPaintOpBuffer);
- display_item_list_->StartPaint();
- }
- void TearDown() override {
- Finalize();
- canvas_.reset();
- display_item_list_ = nullptr;
- buffer_ = nullptr;
- }
- void Reset() {
- TearDown();
- SetUp();
- }
- void Initialize(const gfx::Rect& rect = gfx::Rect(0, 0, 100, 100)) {
- canvas_.emplace(display_item_list_.get(), gfx::RectToSkRect(rect));
- rect_ = rect;
- }
- RecordPaintCanvas* canvas() { return &*canvas_; }
- bool IsSolidColor(int max_ops_to_analyze = 1) {
- Finalize();
- auto color = SolidColorAnalyzer::DetermineIfSolidColor(
- buffer_.get(), rect_, max_ops_to_analyze, nullptr);
- return !!color;
- }
- SkColor4f GetColor(int max_ops_to_analyze = 1) {
- Finalize();
- auto color = SolidColorAnalyzer::DetermineIfSolidColor(
- buffer_.get(), rect_, max_ops_to_analyze, nullptr);
- EXPECT_TRUE(color);
- return color ? *color : SkColors::kTransparent;
- }
- private:
- void Finalize() {
- if (buffer_)
- return;
- display_item_list_->EndPaintOfUnpaired(gfx::Rect());
- display_item_list_->Finalize();
- buffer_ = display_item_list_->ReleaseAsRecord();
- }
- gfx::Rect rect_;
- scoped_refptr<DisplayItemList> display_item_list_;
- sk_sp<PaintOpBuffer> buffer_;
- absl::optional<RecordPaintCanvas> canvas_;
- absl::optional<SolidColorAnalyzer> analyzer_;
- };
- TEST_F(SolidColorAnalyzerTest, Empty) {
- Initialize();
- EXPECT_EQ(SkColors::kTransparent, GetColor());
- }
- TEST_F(SolidColorAnalyzerTest, ClearTransparent) {
- Initialize();
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(0, 12, 34, 56));
- canvas()->clear(color);
- EXPECT_EQ(SkColors::kTransparent, GetColor());
- }
- TEST_F(SolidColorAnalyzerTest, ClearSolid) {
- Initialize();
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 65, 43, 21));
- canvas()->clear(color);
- EXPECT_EQ(color, GetColor());
- }
- TEST_F(SolidColorAnalyzerTest, ClearTranslucent) {
- Initialize();
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(128, 11, 22, 33));
- canvas()->clear(color);
- #if BUILDFLAG(IS_MAC)
- // TODO(andrescj): remove the special treatment of OS_MAC once
- // https://crbug.com/922899 is fixed.
- EXPECT_FALSE(IsSolidColor());
- #else
- EXPECT_EQ(color, GetColor());
- #endif // BUILDFLAG(IS_MAC)
- }
- TEST_F(SolidColorAnalyzerTest, DrawColor) {
- Initialize();
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- canvas()->drawColor(color);
- EXPECT_EQ(color, GetColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawOval) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- canvas()->drawOval(SkRect::MakeWH(100, 100), flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRect) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->clipRect(rect, SkClipOp::kIntersect, false);
- canvas()->drawRect(rect, flags);
- EXPECT_EQ(color, GetColor());
- }
- // TODO(vmpstr): Generalize the DrawRect test cases so that we can test both
- // Rect and RRect.
- TEST_F(SolidColorAnalyzerTest, DrawRRect) {
- SkRect rect = SkRect::MakeWH(200, 200);
- SkRRect rrect;
- rrect.setRectXY(rect, 5, 5);
- gfx::Rect canvas_rect(5, 5, 190, 190);
- Initialize(canvas_rect);
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- canvas()->drawRRect(rrect, flags);
- EXPECT_EQ(color, GetColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectClipped) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->clipRect(SkRect::MakeWH(50, 50), SkClipOp::kIntersect, false);
- canvas()->drawRect(rect, flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectClippedDifference) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect drawRect = SkRect::MakeWH(200, 200);
- canvas()->clipRect(drawRect, SkClipOp::kIntersect, false);
- SkRect differenceRect = SkRect::MakeXYWH(50, 50, 200, 200);
- // Using difference should always make this fail.
- canvas()->clipRect(differenceRect, SkClipOp::kDifference, false);
- canvas()->drawRect(drawRect, flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectWithTranslateNotSolid) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(100, 100);
- canvas()->translate(1, 1);
- canvas()->drawRect(rect, flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectWithTranslateSolid) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(101, 101);
- canvas()->translate(1, 1);
- canvas()->drawRect(rect, flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, TwoOpsNotSolid) {
- Initialize();
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 65, 43, 21));
- canvas()->clear(color);
- canvas()->clear(color);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectBlendModeClear) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- flags.setBlendMode(SkBlendMode::kClear);
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->drawRect(rect, flags);
- EXPECT_EQ(SkColors::kTransparent, GetColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectBlendModeSrcOver) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- flags.setBlendMode(SkBlendMode::kSrcOver);
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->drawRect(rect, flags);
- EXPECT_EQ(color, GetColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectRotated) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->rotate(50);
- canvas()->drawRect(rect, flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectScaledNotSolid) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->scale(0.1f, 0.1f);
- canvas()->drawRect(rect, flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectScaledSolid) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(10, 10);
- canvas()->scale(10, 10);
- canvas()->drawRect(rect, flags);
- EXPECT_EQ(color, GetColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectFilterPaint) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- flags.setImageFilter(sk_make_sp<OffsetPaintFilter>(10, 10, nullptr));
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->drawRect(rect, flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectClipPath) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkPath path;
- path.moveTo(0, 0);
- path.lineTo(128, 50);
- path.lineTo(255, 0);
- path.lineTo(255, 255);
- path.lineTo(0, 255);
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->clipPath(path, SkClipOp::kIntersect);
- canvas()->drawRect(rect, flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectTranslucent) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(128, 128, 0, 0));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(100, 100);
- canvas()->drawRect(rect, flags);
- #if BUILDFLAG(IS_MAC)
- // TODO(andrescj): remove the special treatment of OS_MAC once
- // https://crbug.com/922899 is fixed.
- EXPECT_FALSE(IsSolidColor());
- #else
- EXPECT_EQ(color, GetColor());
- #endif // BUILDFLAG(IS_MAC)
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectTranslucentOverNonSolid) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 128, 0, 0));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(100, 50);
- canvas()->drawRect(rect, flags);
- color = SkColor4f::FromColor(SkColorSetARGB(128, 0, 128, 0));
- flags.setColor(color);
- rect = SkRect::MakeWH(100, 100);
- canvas()->drawRect(rect, flags);
- EXPECT_FALSE(IsSolidColor(2 /* max_ops_to_analyze */));
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectOpaqueOccludesNonSolid) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 128, 0, 0));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(100, 50);
- canvas()->drawRect(rect, flags);
- color = SkColor4f::FromColor(SkColorSetARGB(255, 0, 128, 0));
- flags.setColor(color);
- rect = SkRect::MakeWH(100, 100);
- canvas()->drawRect(rect, flags);
- EXPECT_EQ(color, GetColor(2 /* max_ops_to_analyze */));
- }
- TEST_F(SolidColorAnalyzerTest, DrawRectSolidWithSrcOverBlending) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(64, 40, 50, 60));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(100, 100);
- canvas()->drawRect(rect, flags);
- color = SkColor4f::FromColor(SkColorSetARGB(128, 10, 20, 30));
- flags.setColor(color);
- rect = SkRect::MakeWH(100, 100);
- canvas()->drawRect(rect, flags);
- #if BUILDFLAG(IS_MAC)
- // TODO(andrescj): remove the special treatment of OS_MAC once
- // https://crbug.com/922899 is fixed.
- EXPECT_FALSE(IsSolidColor());
- #else
- // Float precision makes testing for equality a pain, so we'll just use ints
- EXPECT_EQ(SkColorSetARGB(160, 16, 26, 36),
- GetColor(2 /* max_ops_to_analyze */).toSkColor());
- #endif // BUILDFLAG(IS_MAC)
- }
- TEST_F(SolidColorAnalyzerTest, SaveLayer) {
- Initialize();
- PaintFlags flags;
- SkColor4f color = SkColor4f::FromColor(SkColorSetARGB(255, 11, 22, 33));
- flags.setColor(color);
- SkRect rect = SkRect::MakeWH(200, 200);
- canvas()->saveLayer(&rect, &flags);
- EXPECT_FALSE(IsSolidColor());
- }
- TEST_F(SolidColorAnalyzerTest, ClipRRectCoversCanvas) {
- SkVector radii[4] = {
- SkVector::Make(10.0, 15.0), SkVector::Make(20.0, 25.0),
- SkVector::Make(30.0, 35.0), SkVector::Make(40.0, 45.0),
- };
- SkVector radii_scale[4] = {
- SkVector::Make(100.0, 150.0), SkVector::Make(200.0, 250.0),
- SkVector::Make(300.0, 350.0), SkVector::Make(400.0, 450.0),
- };
- int rr_size = 600;
- int canvas_size = 255;
- gfx::Rect canvas_rect(canvas_size, canvas_size);
- PaintFlags flags;
- flags.setColor(SkColors::kWhite);
- struct {
- SkVector offset;
- SkVector offset_scale;
- bool expected;
- } cases[] = {
- // Not within bounding box of |rr|.
- {SkVector::Make(100, 100), SkVector::Make(100, 100), false},
- // Intersects UL corner.
- {SkVector::Make(0, 0), SkVector::Make(0, 0), false},
- // Between UL and UR.
- {SkVector::Make(-50, 0), SkVector::Make(-50, -15), true},
- // Intersects UR corner.
- {SkVector::Make(canvas_size - rr_size, 0),
- SkVector::Make(canvas_size - rr_size, 0), false},
- // Between UR and LR.
- {SkVector::Make(canvas_size - rr_size, -50), SkVector::Make(-305, -80),
- true},
- // Intersects LR corner.
- {SkVector::Make(canvas_size - rr_size, canvas_size - rr_size),
- SkVector::Make(canvas_size - rr_size, canvas_size - rr_size), false},
- // Between LL and LR
- {SkVector::Make(-50, canvas_size - rr_size), SkVector::Make(-205, -310),
- true},
- // Intersects LL corner
- {SkVector::Make(0, canvas_size - rr_size),
- SkVector::Make(0, canvas_size - rr_size), false},
- // Between UL and LL
- {SkVector::Make(0, -50), SkVector::Make(-15, -60), true},
- // In center
- {SkVector::Make(-100, -100), SkVector::Make(-100, -100), true},
- };
- for (int case_scale = 0; case_scale < 2; ++case_scale) {
- bool scaled = case_scale > 0;
- for (size_t i = 0; i < std::size(cases); ++i) {
- Reset();
- Initialize(canvas_rect);
- SkRect bounding_rect = SkRect::MakeXYWH(
- scaled ? cases[i].offset_scale.x() : cases[i].offset.x(),
- scaled ? cases[i].offset_scale.y() : cases[i].offset.y(), rr_size,
- rr_size);
- SkRRect rr;
- rr.setRectRadii(bounding_rect, scaled ? radii_scale : radii);
- canvas()->clipRRect(rr, SkClipOp::kIntersect, false);
- canvas()->drawRect(RectToSkRect(canvas_rect), flags);
- EXPECT_EQ(cases[i].expected, IsSolidColor())
- << "Case " << i << ", " << scaled << " failed.";
- }
- }
- }
- } // namespace
- } // namespace cc
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