#include <lib9.h>#include <draw.h>#include <interp.h>#include <isa.h>#include "../libinterp/runt.h"#include <drawif.h>#include <prefab.h> staticPElement*iconelement1(Prefab_Environ *e, Draw_Rect r, Draw_Image *icon, Draw_Image *mask, enum Elementtype kind){	PElement *pelem;	Prefab_Element *elem; 	if(badenviron(e, 0) || icon==H || mask==H)		return H;	pelem = mkelement(e, kind);	if(pelem == H)		return H;	elem = &pelem->e; 	if(Dx(r))		elem->r = r;	else{		elem->r.min = r.min;		elem->r.max.x = r.min.x + Dx(icon->r);		elem->r.max.y = r.min.y + Dy(icon->r);	}	elem->mask = mask;	D2H(mask)->ref++;	elem->image = icon;	D2H(icon)->ref++;	pelem->drawpt = IPOINT(r.min);	pelem->nkids = 1;	pelem->pkind = kind;	return pelem;} PElement*iconelement(Prefab_Environ *e, Draw_Rect r, Draw_Image *icon, Draw_Image *mask){	return iconelement1(e, r, icon, mask, EIcon);} PElement*separatorelement(Prefab_Environ *e, Draw_Rect r, Draw_Image *icon, Draw_Image *mask){	return iconelement1(e, r, icon, mask, ESeparator);}