The |VertexGenerator| implementation common to all shapes that are based on a polygonal representation of an ellipse. More...

Inheritance diagram for impeller::Tessellator::EllipticalVertexGenerator:

Public Member Functions
PrimitiveType	GetTriangleType () const override
	\|VertexGenerator\| More...

size_t	GetVertexCount () const override
	\|VertexGenerator\| More...

void	GenerateVertices (const TessellatedVertexProc &proc) const override
	\|VertexGenerator\| More...

virtual PrimitiveType	GetTriangleType () const =0
	Returns the \|PrimitiveType\| that describes the relationship among the list of vertices produced by the \|GenerateVertices\| method. More...

virtual size_t	GetVertexCount () const =0
	Returns the number of vertices that the generator plans to produce, if known. More...

virtual void	GenerateVertices (const TessellatedVertexProc &proc) const =0
	Generate the vertices and deliver them in the necessary order (as required by the PrimitiveType) to the given callback function. More...

Detailed Description

The |VertexGenerator| implementation common to all shapes that are based on a polygonal representation of an ellipse.

Definition at line 121 of file tessellator.h.

Member Function Documentation

void impeller::Tessellator::EllipticalVertexGenerator::GenerateVertices ( const TessellatedVertexProc & proc ) const

inlineoverridevirtual

|VertexGenerator|

Definition at line 134 of file tessellator.h.

                                                                            {
      impl_(trigs_, data_, proc);
    }

PrimitiveType impeller::Tessellator::EllipticalVertexGenerator::GetTriangleType ( ) const

inlineoverridevirtual

|VertexGenerator|

Definition at line 124 of file tessellator.h.

                                                   {
      return PrimitiveType::kTriangleStrip;
    }

size_t impeller::Tessellator::EllipticalVertexGenerator::GetVertexCount ( ) const

inlineoverridevirtual

|VertexGenerator|

Definition at line 129 of file tessellator.h.

                                           {
      return trigs_.size() * vertices_per_trig_;
    }

friend class Tessellator

friend

Definition at line 139 of file tessellator.h.

The documentation for this class was generated from the following files: