Method Paint

Rendering/Matplotlib/Testing/Cxx/TestGL2PSMathTextOutput.cxx:66–81

This function aims to test the primitives provided by the 2D API.

// This function aims to test the primitives provided by the 2D API.
bool GL2PSMathTextOutputTest::Paint(vtkContext2D* painter)
{
  painter->GetTextProp()->SetColor(.7, .4, .5);
  painter->GetTextProp()->SetFontSize(30);
  painter->DrawString(20, 100, "Bezier curve");
  painter->DrawMathTextString(20, 120, "$\\mathfrak{B\\'ezier\\/curve}:$");
  painter->GetTextProp()->SetFontSize(25);
  painter->DrawMathTextString(40, 20,
    "$B_{[0,n]}(t) = \\sum_{j=0}^{n}\\/t^j"
    "\\left["
    "\\frac{n!}{(n-j)!}\\sum_{i=0}^{j}\\/"
    "\\frac{(-1)^{i+j}P_i}{i!(j-i)!}"
    "\\right] = "
    "(1-t)B_{[0,n-1]}(t) + tB_{[1,n]}(t)$");
  return true;
}