fz_error *
pdf_setpattern(pdf_csi *csi, int what, pdf_pattern *pat, float *v)
{
pdf_gstate *gs = csi->gstate + csi->gtop;
fz_error *error;
pdf_material *mat;
error = pdf_flushtext(csi);
if (error)
return fz_rethrow(error, "cannot finish text node (state change)");
mat = what == PDF_MFILL ? &gs->fill : &gs->stroke;
if (mat->pattern)
pdf_droppattern(mat->pattern);
mat->kind = PDF_MPATTERN;
if (pat)
mat->pattern = pdf_keeppattern(pat);
else
mat->pattern = nil;
if (v)
{
error = pdf_setcolor(csi, what, v);
if (error)
return fz_rethrow(error, "cannot set color");
}
return fz_okay;
}
/* Normal output: black on transparent */
static int render0(potrace_path_t *plist) {
potrace_path_t *p;
pdf_setcolor(info.color);
list_forall (p, plist) {
pdf_path(&p->curve);
ship("h\n");
if (p->next == NULL || p->next->sign == '+') {
ship("f\n");
}
}
void
pdf_setpattern(pdf_csi *csi, int what, pdf_pattern *pat, float *v)
{
pdf_gstate *gs = csi->gstate + csi->gtop;
pdf_material *mat;
pdf_flushtext(csi);
mat = what == PDF_MFILL ? &gs->fill : &gs->stroke;
if (mat->pattern)
pdf_droppattern(mat->pattern);
mat->kind = PDF_MPATTERN;
if (pat)
mat->pattern = pdf_keeppattern(pat);
else
mat->pattern = nil;
if (v)
pdf_setcolor(csi, what, v);
}