/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <draw.h>#include <memdraw.h>#include <memlayer.h> Pointmemimagestring(Memimage *b, Point p, Memimage *color, Point cp, Memsubfont *f, char *cs){	int w, width;	uchar *s;	Rune c;	Fontchar *i; 	s = (uchar*)cs;	for(; c=*s; p.x+=width, cp.x+=width){		width = 0;		if(c < Runeself)			s++;		else{			w = chartorune(&c, (char*)s);			if(w == 0){				s++;				continue;			}			s += w;		}		if(c >= f->n)			continue;		i = f->info+c;		width = i->width;		memdraw(b, Rect(p.x+i->left, p.y+i->top, p.x+i->left+(i[1].x-i[0].x), p.y+i->bottom),			color, cp, f->bits, Pt(i->x, i->top), SoverD);	}	return p;} Pointmemsubfontwidth(Memsubfont *f, char *cs){	Rune c;	Point p;	uchar *s;	Fontchar *i;	int w, width; 	p = Pt(0, f->height);	s = (uchar*)cs;	for(; c=*s; p.x+=width){		width = 0;		if(c < Runeself)			s++;		else{			w = chartorune(&c, (char*)s);			if(w == 0){				s++;				continue;			}			s += w;		}		if(c >= f->n)			continue;		i = f->info+c;		width = i->width;	}	return p;}