1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 #include <memdraw.h>
5 #include <memlayer.h>
6
7 Point
memimagestring(Memimage * b,Point p,Memimage * color,Point cp,Memsubfont * f,char * cs)8 memimagestring(Memimage *b, Point p, Memimage *color, Point cp, Memsubfont *f, char *cs)
9 {
10 int w, width;
11 uchar *s;
12 Rune c;
13 Fontchar *i;
14
15 s = (uchar*)cs;
16 for(; (c=*s); p.x+=width, cp.x+=width){
17 width = 0;
18 if(c < Runeself)
19 s++;
20 else{
21 w = chartorune(&c, (char*)s);
22 if(w == 0){
23 s++;
24 continue;
25 }
26 s += w;
27 }
28 if(c >= f->n)
29 continue;
30 // i = f->info+c;
31 i = &(f->info[c]);
32 width = i->width;
33 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),
34 color, cp, f->bits, Pt(i->x, i->top), SoverD);
35 }
36 return p;
37 }
38
39 Point
memsubfontwidth(Memsubfont * f,char * cs)40 memsubfontwidth(Memsubfont *f, char *cs)
41 {
42 Rune c;
43 Point p;
44 uchar *s;
45 Fontchar *i;
46 int w, width;
47
48 p = Pt(0, f->height);
49 s = (uchar*)cs;
50 for(; (c=*s); p.x+=width){
51 width = 0;
52 if(c < Runeself)
53 s++;
54 else{
55 w = chartorune(&c, (char*)s);
56 if(w == 0){
57 s++;
58 continue;
59 }
60 s += w;
61 }
62 if(c >= f->n)
63 continue;
64 i = f->info+c;
65 width = i->width;
66 }
67 return p;
68 }
69