static void
pdc_check_stream(pdc_output *out, size_t len)
{
size_t newsize;
size_t cur;
pdc_core *pdc = out->pdc;
if (out->curpos + len <= out->maxpos)
return;
pdc_flush_stream(out);
if (out->curpos + len <= out->maxpos)
return;
do
{
out->maxpos += out->buf_incr;
if (out->buf_incr < STREAM_MAXINCR)
out->buf_incr *= 2;
} while (out->curpos + len > out->maxpos);
cur = (size_t) (out->curpos - out->basepos);
newsize = (size_t) (out->maxpos - out->basepos);
out->basepos = (pdc_byte *)
pdc_realloc(pdc, (void *) out->basepos, newsize, "pdc_check_stream");
out->maxpos = out->basepos + newsize;
out->curpos = out->basepos + cur;
}
void
pdf_write_outlines(PDF *p)
{
int i;
if (p->outline_count == 0) /* no outlines: return */
return;
pdc_begin_obj(p->out, p->outlines[0].obj_id); /* root outline object */
pdc_begin_dict(p->out);
if (p->outlines[0].count != 0)
pdc_printf(p->out, "/Count %d\n", COUNT(0));
pdc_objref(p->out, "/First", OBJ_ID(FIRST(0)));
pdc_objref(p->out, "/Last", OBJ_ID(LAST(0)));
pdc_end_dict(p->out);
pdc_end_obj(p->out); /* root outline object */
#define PDF_FLUSH_AFTER_MANY_OUTLINES 1000 /* ca. 50-100 KB */
for (i = 1; i <= p->outline_count; i++) {
/* reduce memory usage for many outline entries */
if (i % PDF_FLUSH_AFTER_MANY_OUTLINES == 0)
pdc_flush_stream(p->out);
pdf_write_outline_dict(p, i);
}
}
static void
pdc_check_stream(pdc_output *out, size_t len)
{
size_t max;
int cur;
pdc_stream *stream = &out->stream;
pdc_core *pdc = out->pdc;
if (stream->curpos + len <= stream->maxpos)
return;
pdc_flush_stream(out);
if (stream->curpos + len <= stream->maxpos)
return;
max = (size_t) (2*(stream->maxpos - stream->basepos));
cur = stream->curpos - stream->basepos;
stream->basepos = (pdc_byte *)
pdc_realloc(pdc, (void *) stream->basepos, max, "pdc_check_stream");
stream->maxpos = stream->basepos + max;
stream->curpos = stream->basepos + cur;
pdc_check_stream(out, len);
}
static void
pdc_close_stream(pdc_output *out)
{
pdc_stream *stream = &out->stream;
pdc_flush_stream(out);
#ifdef HAVE_LIBZ
/*
* This is delicate: we must ignore the return value because of the
* following reasoning: We are called in two situations:
* - end of document
* - exception
* In the first case compression is inactive, so deflateEnd() will
* fail only in the second case. However, when an exception occurs
* the document is definitely unusable, so we avoid recursive exceptions
* or an (unallowed) exception in PDF_delete().
*/
(void) deflateEnd(&stream->z);
#endif
/* close the output file if writing to file, but do not close the
* in-core output stream since the caller will have to
* fetch the buffer after PDF_close().
*/
if (stream->fp == NULL || !stream->writeproc)
return;
if (stream->mustclose)
fclose(stream->fp);
/* mark fp as dead in case the error handler jumps in later */
stream->fp = NULL;
}
void
pdf__end_font(PDF *p)
{
int i;
pdc_t3font *t3font;
PDF_SET_STATE(p, pdf_state_document);
t3font = p->t3font;
t3font->charprocs_id = pdc_alloc_id(p->out);
pdc_begin_obj(p->out, t3font->charprocs_id); /* CharProcs dict */
pdc_begin_dict(p->out);
for (i = 0; i < t3font->next_glyph; i++) {
pdc_put_pdfname(p->out,
t3font->glyphs[i].name, strlen(t3font->glyphs[i].name));
pdc_printf(p->out, " %ld 0 R\n", t3font->glyphs[i].charproc_id);
}
pdc_end_dict(p->out);
pdc_end_obj(p->out); /* CharProcs dict */
pdc_begin_obj(p->out, t3font->res_id);
pdc_begin_dict(p->out); /* Resource dict */
pdf_write_page_fonts(p); /* Font resources */
pdf_write_page_colorspaces(p); /* Color space resources */
pdf_write_page_pattern(p); /* Pattern resources */
pdf_write_xobjects(p); /* XObject resources */
pdc_end_dict(p->out); /* Resource dict */
pdc_end_obj(p->out); /* Resource object */
p->t3font = (pdc_t3font *) NULL;
if (p->flush & pdf_flush_content)
pdc_flush_stream(p->out);
}
/* Finish the pattern definition. */
void
pdf__end_pattern(PDF *p)
{
/* check whether pdf__save() and pdf__restore() calls are balanced */
if (p->curr_ppt->sl > 0)
pdc_error(p->pdc, PDF_E_GSTATE_UNMATCHEDSAVE, 0, 0, 0, 0);
pdf_end_text(p);
pdc_end_pdfstream(p->out);
pdc_end_obj(p->out); /* pattern */
pdc_put_pdfstreamlength(p->out, p->length_id);
pdc_begin_obj(p->out, p->res_id); /* Resource object */
pdc_begin_dict(p->out); /* Resource dict */
pdf_write_page_fonts(p); /* Font resources */
pdf_write_page_colorspaces(p); /* Color space resources */
pdf_write_page_pattern(p); /* Pattern resources */
pdf_write_xobjects(p); /* XObject resources */
pdf_write_page_extgstates(p); /* ExtGState resources */
pdc_end_dict(p->out); /* resource dict */
pdc_end_obj(p->out); /* resource object */
pdf_pg_resume(p, -1);
if (p->flush & pdc_flush_content)
pdc_flush_stream(p->out);
if (!p->pdc->smokerun)
pdc_logg_cond(p->pdc, 1, trc_api, "[End pattern %d]\n",
p->pattern_number -1);
}
void
pdf__end_font(PDF *p)
{
int ig;
pdf_font *font;
pdf_t3font *t3font;
PDF_SET_STATE(p, pdf_state_document);
font = &p->fonts[p->t3slot];
t3font = font->t3font;
/* error message prefix */
pdc_push_errmsg(p->pdc, PDF_E_T3_FONT_PREFIX, font->apiname, 0, 0, 0);
if (t3font->pass == 0)
{
pdf_t3glyph glyph0 = t3font->glyphs[0];
/* search for .notdef glyph */
if (pdc_strcmp(glyph0.name, (char *) pdc_get_notdef_glyphname()))
{
for (ig = 0; ig < t3font->next_glyph; ig++)
{
if (!pdc_strcmp(t3font->glyphs[ig].name,
(char *) pdc_get_notdef_glyphname()))
break;
}
if (ig < t3font->next_glyph)
{
pdc_logg_cond(p->pdc, 2, trc_font,
"\tGlyph id %d: \"%s\" will be exchanged "
"with glyph id 0: \"%s\"\n",
ig, t3font->glyphs[ig].name, glyph0.name);
t3font->glyphs[0] = t3font->glyphs[ig];
t3font->glyphs[ig] = glyph0;
}
else
{
pdc_warning(p->pdc, PDF_E_T3_MISSNOTDEF, 0, 0, 0, 0);
}
}
}
if (t3font->pass != 1)
{
t3font->charprocs_id = pdc_alloc_id(p->out);
pdc_begin_obj(p->out, t3font->charprocs_id); /* CharProcs dict */
pdc_begin_dict(p->out);
for (ig = 0; ig < t3font->next_glyph; ig++)
{
pdf_t3glyph *glyph = &t3font->glyphs[ig];
if (glyph->charproc_id != PDC_BAD_ID)
{
pdf_put_pdfname(p, glyph->name);
pdc_objref(p->out, "", glyph->charproc_id);
}
}
pdc_end_dict(p->out);
pdc_end_obj(p->out); /* CharProcs dict */
pdc_begin_obj(p->out, t3font->res_id);
pdc_begin_dict(p->out); /* Resource dict */
pdf_write_page_fonts(p); /* Font resources */
pdf_write_page_colorspaces(p); /* Color space resources */
pdf_write_page_pattern(p); /* Pattern resources */
pdf_write_xobjects(p); /* XObject resources */
pdc_end_dict(p->out); /* Resource dict */
pdc_end_obj(p->out); /* Resource object */
pdf_pg_resume(p, -1);
if (p->flush & pdc_flush_content)
pdc_flush_stream(p->out);
/* see pdf__begin_glyph */
pdf_init_tstate(p);
pdf_init_gstate(p);
pdf_init_cstate(p);
}
pdc_logg_cond(p->pdc, 1, trc_font,
"\tEnd of Type3 font \"%s\"\n", font->apiname);
pdc_pop_errmsg(p->pdc);
if (!p->pdc->smokerun)
pdc_logg_cond(p->pdc, 1, trc_api, "[End font %d]\n", p->t3slot);
p->t3slot = -1;
}
