1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 #include <memdraw.h>
5 
6 Point
7 memimagestring(Memimage *b, Point p, Memimage *color, Point cp, Memsubfont *f, char *cs)
8 {
9 	int w, width;
10 	uchar *s;
11 	Rune c;
12 	Fontchar *i;
13 
14 	s = (uchar*)cs;
15 	for(; c=*s; p.x+=width, cp.x+=width){
16 		width = 0;
17 		if(c < Runeself)
18 			s++;
19 		else{
20 			w = chartorune(&c, (char*)s);
21 			if(w == 0){
22 				s++;
23 				continue;
24 			}
25 			s += w;
26 		}
27 		if(c >= f->n)
28 			continue;
29 		i = f->info+c;
30 		width = i->width;
31 		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),
32 			color, cp, f->bits, Pt(i->x, i->top), SoverD);
33 	}
34 	return p;
35 }
36 
37 Point
38 memsubfontwidth(Memsubfont *f, char *cs)
39 {
40 	Rune c;
41 	Point p;
42 	uchar *s;
43 	Fontchar *i;
44 	int w, width;
45 
46 	p = Pt(0, f->height);
47 	s = (uchar*)cs;
48 	for(; c=*s; p.x+=width){
49 		width = 0;
50 		if(c < Runeself)
51 			s++;
52 		else{
53 			w = chartorune(&c, (char*)s);
54 			if(w == 0){
55 				s++;
56 				continue;
57 			}
58 			s += w;
59 		}
60 		if(c >= f->n)
61 			continue;
62 		i = f->info+c;
63 		width = i->width;
64 	}
65 	return p;
66 }