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 width = i->width;
32 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),
33 color, cp, f->bits, Pt(i->x, i->top), SoverD);
34 }
35 return p;
36 }
37
38 Point
memsubfontwidth(Memsubfont * f,char * cs)39 memsubfontwidth(Memsubfont *f, char *cs)
40 {
41 Rune c;
42 Point p;
43 uchar *s;
44 Fontchar *i;
45 int w, width;
46
47 p = Pt(0, f->height);
48 s = (uchar*)cs;
49 for(; c=*s; p.x+=width){
50 width = 0;
51 if(c < Runeself)
52 s++;
53 else{
54 w = chartorune(&c, (char*)s);
55 if(w == 0){
56 s++;
57 continue;
58 }
59 s += w;
60 }
61 if(c >= f->n)
62 continue;
63 i = f->info+c;
64 width = i->width;
65 }
66 return p;
67 }
68