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