WIP: Construct SPV2's scroll paint property tree

third_party/WebKit/Source/platform/graphics/paint/PaintArtifactToSkCanvasTest.cpp

 // Copyright 2015 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 "platform/graphics/paint/PaintArtifactToSkCanvas.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/paint/DisplayItem.h"
 #include "platform/graphics/paint/DrawingDisplayItem.h"
 #include "platform/graphics/paint/PaintArtifact.h"
@@ skipping 108 matching lines @@
     // Build the transform tree.
     TransformationMatrix matrix1;
     matrix1.scale(2);
     FloatPoint3D origin1(10, 10, 0);
     RefPtr<TransformPaintPropertyNode> transform1 = TransformPaintPropertyNode::create(nullptr, matrix1, origin1);
     TransformationMatrix matrix2;
     matrix2.translate(5, 5);
     RefPtr<TransformPaintPropertyNode> transform2 = TransformPaintPropertyNode::create(transform1, matrix2, FloatPoint3D());
 
     TestPaintArtifact artifact;
-    artifact.chunk(transform1.get(), nullptr, nullptr)
+    artifact.chunk(transform1.get(), nullptr, nullptr, nullptr)
         .rectDrawing(FloatRect(0, 0, 300, 200), SK_ColorRED);
-    artifact.chunk(transform2.get(), nullptr, nullptr)
+    artifact.chunk(transform2.get(), nullptr, nullptr, nullptr)
         .rectDrawing(FloatRect(0, 0, 300, 200), SK_ColorBLUE);
     paintArtifactToSkCanvas(artifact.build(), &canvas);
 }
 
 TEST_F(PaintArtifactToSkCanvasTest, OpacityEffectsCombining)
 {
     unsigned expectedFirstOpacity = 127; // floor(0.5 * 255)
     unsigned expectedSecondOpacity = 63; // floor(0.25 * 255)
     MockCanvas canvas(kCanvasWidth, kCanvasHeight);
     {
         testing::InSequence sequence;
         EXPECT_CALL(canvas, willSaveLayer(expectedFirstOpacity, _));
         EXPECT_CALL(canvas, onDrawRect(SkRect::MakeWH(300, 200), Property(&SkPaint::getColor, SK_ColorRED), _));
         EXPECT_CALL(canvas, willSaveLayer(expectedSecondOpacity, _));
         EXPECT_CALL(canvas, onDrawRect(SkRect::MakeWH(300, 200), Property(&SkPaint::getColor, SK_ColorBLUE), _));
     }
 
     // Build an opacity effect tree.
     RefPtr<EffectPaintPropertyNode> opacityEffect1 = EffectPaintPropertyNode::create(nullptr, 0.5);
     RefPtr<EffectPaintPropertyNode> opacityEffect2 = EffectPaintPropertyNode::create(opacityEffect1, 0.25);
 
     TestPaintArtifact artifact;
-    artifact.chunk(nullptr, nullptr, opacityEffect1.get())
+    artifact.chunk(nullptr, nullptr, opacityEffect1.get(), nullptr)
         .rectDrawing(FloatRect(0, 0, 300, 200), SK_ColorRED);
-    artifact.chunk(nullptr, nullptr, opacityEffect2.get())
+    artifact.chunk(nullptr, nullptr, opacityEffect2.get(), nullptr)
         .rectDrawing(FloatRect(0, 0, 300, 200), SK_ColorBLUE);
     paintArtifactToSkCanvas(artifact.build(), &canvas);
 }
 
 TEST_F(PaintArtifactToSkCanvasTest, ChangingOpacityEffects)
 {
     unsigned expectedAOpacity = 25; // floor(0.1 * 255)
     unsigned expectedBOpacity = 51; // floor(0.2 * 255)
     unsigned expectedCOpacity = 76; // floor(0.3 * 255)
     unsigned expectedDOpacity = 102; // floor(0.4 * 255)
@@ skipping 15 matching lines @@
     //      |      |
     // 0.2  b      d  0.4
     RefPtr<EffectPaintPropertyNode> opacityEffectA = EffectPaintPropertyNode::create(nullptr, 0.1);
     RefPtr<EffectPaintPropertyNode> opacityEffectB = EffectPaintPropertyNode::create(opacityEffectA, 0.2);
     RefPtr<EffectPaintPropertyNode> opacityEffectC = EffectPaintPropertyNode::create(nullptr, 0.3);
     RefPtr<EffectPaintPropertyNode> opacityEffectD = EffectPaintPropertyNode::create(opacityEffectC, 0.4);
 
     // Build a two-chunk artifact directly.
     // chunk1 references opacity node b, chunk2 references opacity node d.
     TestPaintArtifact artifact;
-    artifact.chunk(nullptr, nullptr, opacityEffectB.get())
+    artifact.chunk(nullptr, nullptr, opacityEffectB.get(), nullptr)
         .rectDrawing(FloatRect(0, 0, 300, 200), SK_ColorRED);
-    artifact.chunk(nullptr, nullptr, opacityEffectD.get())
+    artifact.chunk(nullptr, nullptr, opacityEffectD.get(), nullptr)
         .rectDrawing(FloatRect(0, 0, 300, 200), SK_ColorBLUE);
     paintArtifactToSkCanvas(artifact.build(), &canvas);
 }
 
 static SkRegion getCanvasClipAsRegion(SkCanvas* canvas)
 {
     SkIRect clipRect;
     canvas->getClipDeviceBounds(&clipRect);
 
     SkRegion clipRegion;
@@ skipping 25 matching lines @@
 
     MockCanvas canvas(kCanvasWidth, kCanvasHeight);
 
     SkRegion totalClip;
     totalClip.setRect(SkIRect::MakeXYWH(100, 100, 100, 100));
     totalClip.op(SkIRect::MakeXYWH(150, 150, 100, 100), SkRegion::kIntersect_Op);
     EXPECT_CALL(canvas, onDrawRect(SkRect::MakeWH(300, 200), Property(&SkPaint::getColor, SK_ColorRED),
         ResultOf(&getCanvasClipAsRegion, Eq(totalClip))));
 
     TestPaintArtifact artifact;
-    artifact.chunk(nullptr, clip2.get(), nullptr)
+    artifact.chunk(nullptr, clip2.get(), nullptr, nullptr)
         .rectDrawing(FloatRect(0, 0, 300, 200), SK_ColorRED);
     paintArtifactToSkCanvas(artifact.build(), &canvas);
 }
 
 } // namespace
 } // namespace blink