Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <draw.h>

Subfont*
readsubfonti(Display*d, char *name, int fd, Image *ai, int dolock)
{
        char hdr[3*12+4+1];
        int n;
        uchar *p;
        Fontchar *fc;
        Subfont *f;
        Image *i;

        i = ai;
        if(i == nil){
                i = readimage(d, fd, dolock);
                if(i == nil)
                        return nil;
        }
        if(read(fd, hdr, 3*12) != 3*12){
                if(ai == nil)
                        freeimage(i);
                werrstr("rdsubfonfile: header read error: %r");
                return nil;
        }
        n = atoi(hdr);
        p = malloc(6*(n+1));
        if(p == nil)
                goto Err;
        if(read(fd, p, 6*(n+1)) != 6*(n+1)){
                werrstr("rdsubfonfile: fontchar read error: %r");
    Err:
                if(ai == nil)
                        freeimage(i);
                free(p);
                return nil;
        }
        fc = malloc(sizeof(Fontchar)*(n+1));
        if(fc == nil)
                goto Err;
        _unpackinfo(fc, p, n);
        if(dolock)
                lockdisplay(d);
        f = allocsubfont(name, n, atoi(hdr+12), atoi(hdr+24), fc, i);
        if(dolock)
                unlockdisplay(d);
        if(f == nil){
                free(fc);
                goto Err;
        }
        free(p);
        return f;
}

Subfont*
readsubfont(Display *d, char *name, int fd, int dolock)
{
        return readsubfonti(d, name, fd, nil, dolock);
}