| // Copyright 2013 The Flutter 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 "flutter/flow/layers/clip_rect_layer.h" |
| #include "flutter/flow/layers/platform_view_layer.h" |
| #include "flutter/flow/layers/transform_layer.h" |
| |
| #include "flutter/flow/testing/layer_test.h" |
| #include "flutter/flow/testing/mock_embedder.h" |
| #include "flutter/flow/testing/mock_layer.h" |
| #include "flutter/fml/macros.h" |
| #include "flutter/testing/mock_canvas.h" |
| |
| namespace flutter { |
| namespace testing { |
| |
| using PlatformViewLayerTest = LayerTest; |
| |
| using ClipOp = DlCanvas::ClipOp; |
| |
| TEST_F(PlatformViewLayerTest, NullViewEmbedderDoesntPrerollCompositeOrPaint) { |
| const SkPoint layer_offset = SkPoint::Make(0.0f, 0.0f); |
| const SkSize layer_size = SkSize::Make(8.0f, 8.0f); |
| const int64_t view_id = 0; |
| auto layer = |
| std::make_shared<PlatformViewLayer>(layer_offset, layer_size, view_id); |
| |
| layer->Preroll(preroll_context()); |
| EXPECT_FALSE(preroll_context()->has_platform_view); |
| EXPECT_EQ(layer->paint_bounds(), |
| SkRect::MakeSize(layer_size) |
| .makeOffset(layer_offset.fX, layer_offset.fY)); |
| EXPECT_TRUE(layer->needs_painting(paint_context())); |
| EXPECT_FALSE(layer->subtree_has_platform_view()); |
| |
| layer->Paint(paint_context()); |
| EXPECT_EQ(paint_context().canvas, &mock_canvas()); |
| EXPECT_EQ(mock_canvas().draw_calls(), std::vector<MockCanvas::DrawCall>()); |
| } |
| |
| TEST_F(PlatformViewLayerTest, ClippedPlatformViewPrerollsAndPaintsNothing) { |
| const SkPoint layer_offset = SkPoint::Make(0.0f, 0.0f); |
| const SkSize layer_size = SkSize::Make(8.0f, 8.0f); |
| const SkRect child_clip = SkRect::MakeLTRB(20.0f, 20.0f, 40.0f, 40.0f); |
| const SkRect parent_clip = SkRect::MakeLTRB(50.0f, 50.0f, 80.0f, 80.0f); |
| const int64_t view_id = 0; |
| auto layer = |
| std::make_shared<PlatformViewLayer>(layer_offset, layer_size, view_id); |
| auto child_clip_layer = |
| std::make_shared<ClipRectLayer>(child_clip, Clip::hardEdge); |
| auto parent_clip_layer = |
| std::make_shared<ClipRectLayer>(parent_clip, Clip::hardEdge); |
| parent_clip_layer->Add(child_clip_layer); |
| child_clip_layer->Add(layer); |
| |
| auto embedder = MockViewEmbedder(); |
| preroll_context()->view_embedder = &embedder; |
| |
| parent_clip_layer->Preroll(preroll_context()); |
| EXPECT_TRUE(preroll_context()->has_platform_view); |
| EXPECT_EQ(layer->paint_bounds(), |
| SkRect::MakeSize(layer_size) |
| .makeOffset(layer_offset.fX, layer_offset.fY)); |
| EXPECT_TRUE(layer->needs_painting(paint_context())); |
| EXPECT_TRUE(child_clip_layer->needs_painting(paint_context())); |
| EXPECT_TRUE(parent_clip_layer->needs_painting(paint_context())); |
| EXPECT_TRUE(layer->subtree_has_platform_view()); |
| EXPECT_TRUE(child_clip_layer->subtree_has_platform_view()); |
| EXPECT_TRUE(parent_clip_layer->subtree_has_platform_view()); |
| |
| parent_clip_layer->Paint(paint_context()); |
| EXPECT_EQ(paint_context().canvas, &mock_canvas()); |
| EXPECT_EQ( |
| mock_canvas().draw_calls(), |
| std::vector( |
| {MockCanvas::DrawCall{0, MockCanvas::SaveData{1}}, |
| MockCanvas::DrawCall{ |
| 1, MockCanvas::ClipRectData{parent_clip, ClipOp::kIntersect, |
| MockCanvas::kHard_ClipEdgeStyle}}, |
| MockCanvas::DrawCall{1, MockCanvas::SaveData{2}}, |
| MockCanvas::DrawCall{ |
| 2, MockCanvas::ClipRectData{child_clip, ClipOp::kIntersect, |
| MockCanvas::kHard_ClipEdgeStyle}}, |
| MockCanvas::DrawCall{2, MockCanvas::RestoreData{1}}, |
| MockCanvas::DrawCall{1, MockCanvas::RestoreData{0}}})); |
| } |
| |
| TEST_F(PlatformViewLayerTest, OpacityInheritance) { |
| const SkPoint layer_offset = SkPoint::Make(0.0f, 0.0f); |
| const SkSize layer_size = SkSize::Make(8.0f, 8.0f); |
| const int64_t view_id = 0; |
| auto layer = |
| std::make_shared<PlatformViewLayer>(layer_offset, layer_size, view_id); |
| |
| PrerollContext* context = preroll_context(); |
| layer->Preroll(preroll_context()); |
| EXPECT_EQ(context->renderable_state_flags, 0); |
| } |
| |
| TEST_F(PlatformViewLayerTest, StateTransfer) { |
| const SkMatrix transform1 = SkMatrix::Translate(5, 5); |
| const SkMatrix transform2 = SkMatrix::Translate(15, 15); |
| const SkMatrix combined_transform = SkMatrix::Translate(20, 20); |
| const SkPoint layer_offset = SkPoint::Make(0.0f, 0.0f); |
| const SkSize layer_size = SkSize::Make(8.0f, 8.0f); |
| const int64_t view_id = 0; |
| const SkPath path1 = SkPath().addOval({10, 10, 20, 20}); |
| const SkPath path2 = SkPath().addOval({15, 15, 30, 30}); |
| |
| // transform_layer1 |
| // |- child1 |
| // |- platform_layer |
| // |- transform_layer2 |
| // |- child2 |
| auto transform_layer1 = std::make_shared<TransformLayer>(transform1); |
| auto transform_layer2 = std::make_shared<TransformLayer>(transform2); |
| auto platform_layer = |
| std::make_shared<PlatformViewLayer>(layer_offset, layer_size, view_id); |
| auto child1 = std::make_shared<MockLayer>(path1); |
| child1->set_expected_paint_matrix(transform1); |
| auto child2 = std::make_shared<MockLayer>(path2); |
| child2->set_expected_paint_matrix(combined_transform); |
| transform_layer1->Add(child1); |
| transform_layer1->Add(platform_layer); |
| transform_layer1->Add(transform_layer2); |
| transform_layer2->Add(child2); |
| |
| auto embedder = MockViewEmbedder(); |
| DisplayListBuilder builder({0, 0, 500, 500}); |
| embedder.AddCanvas(&builder); |
| |
| PrerollContext* preroll_ctx = preroll_context(); |
| preroll_ctx->view_embedder = &embedder; |
| transform_layer1->Preroll(preroll_ctx); |
| |
| PaintContext& paint_ctx = paint_context(); |
| paint_ctx.view_embedder = &embedder; |
| transform_layer1->Paint(paint_ctx); |
| } |
| |
| } // namespace testing |
| } // namespace flutter |