78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <memdraw.h>
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#include <memlayer.h>
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Point
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memimagestring(Memimage *b, Point p, Memimage *color, Point cp, Memsubfont *f,
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char *cs)
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{
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int w, width;
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uint8_t *s;
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Rune c;
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Fontchar *i;
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s = (uint8_t*)cs;
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for(; c=*s; p.x+=width, cp.x+=width){
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width = 0;
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if(c < Runeself)
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s++;
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else{
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w = jehanne_chartorune(&c, (char*)s);
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if(w == 0){
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s++;
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continue;
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}
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s += w;
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}
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if(c >= f->n)
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continue;
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i = f->info+c;
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width = i->width;
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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),
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color, cp, f->bits, Pt(i->x, i->top), SoverD);
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}
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return p;
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}
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Point
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memsubfontwidth(Memsubfont *f, char *cs)
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{
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Rune c;
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Point p;
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uint8_t *s;
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Fontchar *i;
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int w, width;
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p = Pt(0, f->height);
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s = (uint8_t*)cs;
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for(; c=*s; p.x+=width){
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width = 0;
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if(c < Runeself)
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s++;
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else{
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w = jehanne_chartorune(&c, (char*)s);
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if(w == 0){
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s++;
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continue;
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}
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s += w;
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}
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if(c >= f->n)
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continue;
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i = f->info+c;
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width = i->width;
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}
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return p;
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}
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