41   int               x, y, w, h;                       /* Location and size window */  member
44 #define PetscDrawXiDrawable(w) ((w)->drw ? (w)->drw : (w)->win)  argument
46 static inline void PetscDrawXiSetPixVal(PetscDraw_X *W, PetscDrawXiPixVal pix)  in PetscDrawXiSetPixVal()  argument
48   if (W->gc.cur_pix != pix) {  in PetscDrawXiSetPixVal()
49     XSetForeground(W->disp, W->gc.set, pix);  in PetscDrawXiSetPixVal()
50     W->gc.cur_pix = pix;  in PetscDrawXiSetPixVal()
55 …#define PetscDrawXiValidColor(W, color) PetscCheck((color) >= 0 && (color) < PETSC_DRAW_MAXCOLOR, …  argument
57   #define PetscDrawXiValidColor(W, color) \  argument
62 #define PetscDrawXiSetColor(W, color) \  argument
64     PetscDrawXiValidColor(W, color); \
65     PetscDrawXiSetPixVal(W, (W)->cmapping[(color)]); \