impeller::PathTessellator Class Reference

#include <path_tessellator.h>

Classes
struct	Conic
struct	Cubic
struct	Quad
class	SegmentReceiver
	An interface for receiving pruned path segments. More...
class	VertexWriter
	An interface for generating a multi contour polyline as a triangle strip. More...

Static Public Member Functions
static void	PathToFilledSegments (const PathSource &source, SegmentReceiver &receiver)
static void	PathToStrokedSegments (const PathSource &source, SegmentReceiver &receiver)
static std::pair< size_t, size_t >	CountFillStorage (const PathSource &source, Scalar scale)
static void	PathToFilledVertices (const PathSource &source, VertexWriter &writer, Scalar scale)
static void	PathToTransformedFilledVertices (const PathSource &source, VertexWriter &writer, const Matrix &matrix)

Detailed Description

Definition at line 17 of file path_tessellator.h.

Member Function Documentation

CountFillStorage()

std::pair< size_t, size_t > impeller::PathTessellator::CountFillStorage ( const PathSource &  source, Scalar  scale  )

static

Definition at line 298 of file path_tessellator.cc.

                  {
  StorageCounter counter(scale);
  PathPruner pruner(counter, false);
  source.Dispatch(pruner);
  pruner.PathEnd();
  return {counter.GetPointCount(), counter.GetContourCount()};
}

References impeller::PathSource::Dispatch().

Referenced by impeller::ConvexTessellatorImpl< IndexT >::TessellateConvex(), and impeller::testing::TEST().

PathToFilledSegments()

void impeller::PathTessellator::PathToFilledSegments ( const PathSource &  source, SegmentReceiver &  receiver  )

static

Definition at line 284 of file path_tessellator.cc.

                                                                      {
  PathPruner pruner(receiver, false);
  source.Dispatch(pruner);
  pruner.PathEnd();
}

References impeller::PathSource::Dispatch().

Referenced by impeller::testing::TEST().

PathToFilledVertices()

void impeller::PathTessellator::PathToFilledVertices ( const PathSource &  source, VertexWriter &  writer, Scalar  scale  )

static

Definition at line 308 of file path_tessellator.cc.

                                                         {
  PathFillWriter path_writer(writer, scale);
  PathPruner pruner(path_writer, false);
  source.Dispatch(pruner);
  pruner.PathEnd();
}

References impeller::PathSource::Dispatch().

Referenced by impeller::TessellatorLibtess::Tessellate(), impeller::ConvexTessellatorImpl< IndexT >::TessellateConvex(), and impeller::testing::TEST().

PathToStrokedSegments()

void impeller::PathTessellator::PathToStrokedSegments ( const PathSource &  source, SegmentReceiver &  receiver  )

static

Definition at line 291 of file path_tessellator.cc.

                                                                       {
  PathPruner pruner(receiver, true);
  source.Dispatch(pruner);
  pruner.PathEnd();
}

References impeller::PathSource::Dispatch().

Referenced by impeller::StrokePathSourceGeometry::Dispatch().

PathToTransformedFilledVertices()

void impeller::PathTessellator::PathToTransformedFilledVertices ( const PathSource &  source, VertexWriter &  writer, const Matrix &  matrix  )

static

Definition at line 317 of file path_tessellator.cc.

                                                                            {
  PathFillWriter path_writer(writer, matrix.GetMaxBasisLengthXY());
  PathPruner pruner(path_writer, false);
  PathTransformer transformer(pruner, matrix);
  source.Dispatch(transformer);
  pruner.PathEnd();
}

References impeller::PathSource::Dispatch(), and impeller::Matrix::GetMaxBasisLengthXY().

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

• impeller/tessellator/path_tessellator.h
• impeller/tessellator/path_tessellator.cc