TFreeTypeCustomRasterizer.Render_Directly_Gray_Glyph

function TFreeTypeCustomRasterizer.Render_Directly_Gray_Glyph(

  var glyph: TT_Outline;

  x: Integer;

  y: Integer;

  tx: Integer;

  ty: Integer;

  OnRender: TDirectRenderingFunction;

  palette: PTT_Gray_Palette

):TError; virtual; abstract;