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- /*
- * 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>
- Point
- memimagestring(Memimage *b, Point p, Memimage *color, Point cp, Memsubfont *f,
- char *cs)
- {
- int w, width;
- uint8_t *s;
- Rune c;
- Fontchar *i;
- s = (uint8_t*)cs;
- for(; (c=*s) != '\0'; 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;
- }
- Point
- memsubfontwidth(Memsubfont *f, char *cs)
- {
- Rune c;
- Point p;
- uint8_t *s;
- Fontchar *i;
- int w, width;
- p = Pt(0, f->height);
- s = (uint8_t*)cs;
- for(; (c=*s) != '\0'; 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;
- }
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