The R Project SVN – R – Diff – /trunk/src/include/R_ext/GraphicsEngine.h

 		  pGEDevDesc dd);
 double GEStrWidth(const char *str, cetype_t enc,
 		  const pGEcontext gc, pGEDevDesc dd);
 double GEStrHeight(const char *str, cetype_t enc,
 		  const pGEcontext gc, pGEDevDesc dd);
+void GEStrMetric(const char *str, cetype_t enc, const pGEcontext gc,
+                 double *ascent, double *descent, double *width,
+                 pGEDevDesc dd);
 int GEstring_to_pch(SEXP pch);
 /*-------------------------------------------------------------------
+ *
  *  LINE TEXTURE CODE is concerned with the internals of R
  */
 double GEExpressionWidth(SEXP expr,
 			 const pGEcontext gc, pGEDevDesc dd);
 double GEExpressionHeight(SEXP expr,
 			  const pGEcontext gc, pGEDevDesc dd);
+void GEExpressionMetric(SEXP expr, const pGEcontext gc,
+                        double *ascent, double *descent, double *width,
+                        pGEDevDesc dd);
 void GEMathText(double x, double y, SEXP expr,
 		double xc, double yc, double rot,
 		const pGEcontext gc, pGEDevDesc dd);
 /*
  * (End from plotmath.c)

The R Project SVN R