DirectFB Reference Manual
IDirectFBSurface   DrawGlyph

Draw a single glyph specified by its Unicode index at the specified position with the given color following the specified flags.

DrawGlyph (
  IDirectFBSurface *thiz
  unsigned int index
  int x
  int y
  DFBSurfaceTextFlags flags
);

If font was loaded with the DFFA_NOCHARMAP flag, index specifies the raw glyph index in the font.

You need to set a font using the SetFont() method before calling this function.

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