impeller::FanVertexWriter Class Reference

A vertex writer that generates a triangle fan and requires primitive restart. More...

#include <path_component.h>

Inheritance diagram for impeller::FanVertexWriter:

Public Member Functions
	FanVertexWriter (Point *point_buffer, uint16_t *index_buffer)
	~FanVertexWriter ()
size_t	GetIndexCount () const
void	EndContour () override
void	Write (Point point) override

Detailed Description

A vertex writer that generates a triangle fan and requires primitive restart.

Definition at line 29 of file path_component.h.

Constructor & Destructor Documentation

FanVertexWriter()

impeller::FanVertexWriter::FanVertexWriter ( Point *  point_buffer, uint16_t *  index_buffer  )

explicit

Definition at line 17 of file path_component.cc.

    : point_buffer_(point_buffer), index_buffer_(index_buffer) {}

~FanVertexWriter()

impeller::FanVertexWriter::~FanVertexWriter ( )

default

Member Function Documentation

EndContour()

void impeller::FanVertexWriter::EndContour ( )

overridevirtual

Implements impeller::VertexWriter.

Definition at line 26 of file path_component.cc.

                                 {
  if (count_ == 0) {
    return;
  }
  index_buffer_[index_count_++] = 0xFFFF;
}

GetIndexCount()

size_t impeller::FanVertexWriter::GetIndexCount

(

)

const

Definition at line 22 of file path_component.cc.

                                            {
  return index_count_;
}

Referenced by impeller::Tessellator::TessellateConvex(), and impeller::testing::TEST().

Write()

void impeller::FanVertexWriter::Write ( Point  point )

overridevirtual

Implements impeller::VertexWriter.

Definition at line 33 of file path_component.cc.

                                       {
  index_buffer_[index_count_++] = count_;
  point_buffer_[count_++] = point;
}

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

• impeller/geometry/path_component.h
• impeller/geometry/path_component.cc