Cleanup entity API.

Author: chinmaygarde

impeller/aiks/aiks_unittests.cc

@@ -94,7 +94,7 @@ TEST_F(AiksTest, CanRenderCurvedStrokes) {
   paint.stroke_width = 25.0;
   paint.style = Paint::Style::kStroke;
   canvas.DrawPath(PathBuilder{}.AddCircle({500, 500}, 250).CreatePath(), paint);
-  ASSERT_TRUE(OpenPlaygroundHere(canvas.EndRecordingAsPicture()));
+  // ASSERT_TRUE(OpenPlaygroundHere(canvas.EndRecordingAsPicture()));
 }
 
 }  // namespace testing

impeller/aiks/canvas.cc

@@ -80,7 +80,6 @@ void Canvas::ClipPath(Path path) {
   Entity entity;
   entity.SetTransformation(GetCurrentTransformation());
   entity.SetPath(std::move(path));
-  entity.SetIsClip(true);
   GetCurrentPass().PushEntity(std::move(entity));
 }
 

impeller/entity/entity.cc

@@ -18,22 +18,6 @@ void Entity::SetTransformation(const Matrix& transformation) {
   transformation_ = transformation;
 }
 
-const Color& Entity::GetStrokeColor() const {
-  return stroke_color_;
-}
-
-void Entity::SetStrokeColor(const Color& strokeColor) {
-  stroke_color_ = strokeColor;
-}
-
-double Entity::GetStrokeSize() const {
-  return stroke_size_;
-}
-
-void Entity::SetStrokeSize(double strokeSize) {
-  stroke_size_ = std::max(strokeSize, 0.0);
-}
-
 const Path& Entity::GetPath() const {
   return path_;
 }
@@ -42,14 +26,6 @@ void Entity::SetPath(Path path) {
   path_ = std::move(path);
 }
 
-void Entity::SetIsClip(bool is_clip) {
-  is_clip_ = is_clip;
-}
-
-bool Entity::IsClip() const {
-  return is_clip_;
-}
-
 void Entity::SetContents(std::shared_ptr<Contents> contents) {
   contents_ = std::move(contents);
 }

impeller/entity/entity.h

@@ -23,22 +23,10 @@ class Entity {
 
   void SetTransformation(const Matrix& transformation);
 
-  const Color& GetStrokeColor() const;
-
-  void SetStrokeColor(const Color& strokeColor);
-
-  double GetStrokeSize() const;
-
-  void SetStrokeSize(double strokeSize);
-
   const Path& GetPath() const;
 
   void SetPath(Path path);
 
-  void SetIsClip(bool is_clip);
-
-  bool IsClip() const;
-
   void SetContents(std::shared_ptr<Contents> contents);
 
   const std::shared_ptr<Contents>& GetContents() const;
@@ -47,9 +35,6 @@ class Entity {
   Matrix transformation_;
   std::shared_ptr<Contents> contents_;
   Path path_;
-  Color stroke_color_;
-  double stroke_size_ = 1.0;
-  bool is_clip_ = false;
 };
 
 }  // namespace impeller

impeller/entity/shaders/solid_stroke.vert

@@ -17,6 +17,7 @@ in vec2 vertex_normal;
 out vec4 stroke_color;
 
 void main() {
+  // Push one vertex by the half stroke size along the normal vector.
   vec2 offset = vertex_normal * vec2(stroke_info.size * 0.5);
   gl_Position = frame_info.mvp * vec4(vertex_position + offset, 0.0, 1.0);
   stroke_color = stroke_info.color;