Giacomo Tesio
e70feee4a3
With this commit all functions declared in libc.h have been renamed with the "jehanne_" prefix. This is done for several reason: - it removes conflicts during symbol resolution when linking standard C libraries like newlib or musl - it allows programs depending on a standard C library to directly link to a library depending on our non standard libc (eg libsec). To ease transiction two files are provided: - sys/include/lib9.h that can be included instead of <libc.h> to use the old names (via a simple set of macros) - sys/src/lib/c/lib9.c that can be compiled with a program where the macro provided by lib9.h are too dumb (see for example rc or grep). In the kernel port/lib.h has been modified accordingly and some of the functions it directly provides has been renamed too (eg malloc in qmalloc.c and print in devcons.c).
75 lines
1.3 KiB
C
75 lines
1.3 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 <lib9.h>
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#include <draw.h>
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Point
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stringsubfont(Image *b, Point p, Image *color, Subfont *f, 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){
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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 = 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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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),
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color, f->bits, Pt(i->x, i->top));
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}
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return p;
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}
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Point
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strsubfontwidth(Subfont *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 = 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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