Method DrawQuadStrip

IO/ExportPDF/vtkPDFContextDevice2D.cxx:981–1009

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//------------------------------------------------------------------------------
void vtkPDFContextDevice2D::DrawQuadStrip(float* p, int n)
{
  assert(n > 0);
  assert(p != nullptr);

  if (this->Brush->GetColorObject().GetAlpha() == 0 && this->Brush->GetTexture() == nullptr)
  {
    return;
  }

  this->PushGraphicsState();
  this->ApplyBrushState();
  this->RegisterTexturePoints(p, n);

  size_t numQuads = n / 2 - 1;
  for (size_t quad = 0; quad < numQuads; ++quad)
  {
    const size_t i = quad * 4;

    HPDF_Page_MoveTo(this->Impl->Page, p[i], p[i + 1]);
    HPDF_Page_LineTo(this->Impl->Page, p[i + 2], p[i + 3]);
    HPDF_Page_LineTo(this->Impl->Page, p[i + 4], p[i + 5]);
    HPDF_Page_LineTo(this->Impl->Page, p[i + 6], p[i + 7]);
    HPDF_Page_ClosePath(this->Impl->Page);
  }

  this->Fill();
  this->PopGraphicsState();
}

//------------------------------------------------------------------------------
void vtkPDFContextDevice2D::DrawPolygon(float* f, int n)