static int gf_font_get_glyph(DviParams *params, DviFont *font, int code)
{
DviFontChar *ch;
if(code < font->loc || code > font->hic || !font->chars)
return -1;
ch = &font->chars[code - font->loc];
if(!ch->loaded) {
if(ch->offset == 0)
return -1;
DEBUG((DBG_GLYPHS, "(gf) %s: loading GF glyph for character %d\n",
font->fontname, code));
if(font->in == NULL && font_reopen(font) < 0)
return -1;
if(fseek(font->in, ch->offset, SEEK_SET) == -1)
return -1;
if(gf_read_bitmap(font->in, ch) < 0)
return -1;
ch->loaded = 1;
}
return 0;
}
/* used from context: params and device */
static int load_font_file(DviParams *params, DviFont *font)
{
int status;
if(SEARCH_DONE(font->search))
return -1;
if(font->in == NULL && font_reopen(font) < 0)
return -1;
DEBUG((DBG_FONTS, "%s: loading %s font from `%s'\n",
font->fontname,
font->finfo->name, font->filename));
do {
status = font->finfo->load(params, font);
} while(status < 0 && mdvi_font_retry(params, font) == 0);
if(status < 0)
return -1;
if(font->in) {
fclose(font->in);
font->in = NULL;
}
DEBUG((DBG_FONTS, "reload_font(%s) -> %s\n",
font->fontname, status < 0 ? "Error" : "Ok"));
return 0;
}
