void
pdf_showstring(pdf_csi *csi, unsigned char *buf, int len)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
pdf_fontdesc *fontdesc = gstate->font;
unsigned char *end = buf + len;
int cpt, cid;
if (!fontdesc)
{
fz_warn("cannot draw text since font and size not set");
return;
}
while (buf < end)
{
buf = pdf_decodecmap(fontdesc->encoding, buf, &cpt);
cid = pdf_lookupcmap(fontdesc->encoding, cpt);
if (cid >= 0)
pdf_showglyph(csi, cid);
else
fz_warn("cannot encode character with code point %#x", cpt);
if (cpt == 32)
pdf_showspace(csi, gstate->wordspace);
}
}
fz_error *
pdf_showtext(pdf_csi *csi, fz_obj *text)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
pdf_font *font = gstate->font;
fz_error *error;
unsigned char *buf;
unsigned char *end;
int i, len;
int cpt, cid;
if (fz_isarray(text))
{
for (i = 0; i < fz_arraylen(text); i++)
{
fz_obj *item = fz_arrayget(text, i);
if (fz_isstring(item))
{
error = pdf_showtext(csi, item);
if (error)
return fz_rethrow(error, "cannot draw text item");
}
else
{
showspace(csi, - fz_toreal(item) * gstate->size / 1000.0);
}
}
return fz_okay;
}
buf = (unsigned char *)fz_tostrbuf(text);
len = fz_tostrlen(text);
end = buf + len;
while (buf < end)
{
buf = pdf_decodecmap(font->encoding, buf, &cpt);
cid = pdf_lookupcmap(font->encoding, cpt);
if (cid == -1)
cid = 0;
error = showglyph(csi, cid);
if (error)
return fz_rethrow(error, "cannot draw glyph");
if (cpt == 32)
showspace(csi, gstate->wordspace);
}
return fz_okay;
}
void
pdf_showtext(pdf_csi *csi, fz_obj *text)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
pdf_fontdesc *fontdesc = gstate->font;
unsigned char *buf;
unsigned char *end;
int i, len;
int cpt, cid;
if (!fontdesc)
{
fz_warn("cannot draw text since font and size not set");
return;
}
if (fz_isarray(text))
{
for (i = 0; i < fz_arraylen(text); i++)
{
fz_obj *item = fz_arrayget(text, i);
if (fz_isstring(item))
pdf_showtext(csi, item);
else
pdf_showspace(csi, - fz_toreal(item) * gstate->size * 0.001f);
}
}
if (fz_isstring(text))
{
buf = (unsigned char *)fz_tostrbuf(text);
len = fz_tostrlen(text);
end = buf + len;
while (buf < end)
{
buf = pdf_decodecmap(fontdesc->encoding, buf, &cpt);
cid = pdf_lookupcmap(fontdesc->encoding, cpt);
if (cid == -1)
cid = 0;
pdf_showglyph(csi, cid);
if (cpt == 32)
pdf_showspace(csi, gstate->wordspace);
}
}
}