# Use ikiwiki's function to create the file, this makes sure needed
# subdirs are there and does some sanity checking.
- writefile("$params{page}.png", $config{destdir}, "");
+ will_render($params{page}, $params{page}.".png");
+ writefile($params{page}.".png", $config{destdir}, "");
# Run dot to create the graphic and get the map data.
- # TODO: should really add the png to renderedfiles and call
- # check_overwrite, but currently renderedfiles
- # only supports listing one file per page.
- my $tries=10;
my $pid;
- while (1) {
- eval {
- $pid=open2(*IN, *OUT, "dot -Tpng -o '$config{destdir}/$params{page}.png' -Tcmapx");
- };
- last unless $@;
- $tries--;
- if ($tries < 1) {
- return "failed to run dot: $@";
- }
- }
+ my $sigpipe=0;;
+ $SIG{PIPE}=sub { $sigpipe=1 };
+ $pid=open2(*IN, *OUT, "dot -Tpng -o '$config{destdir}/$params{page}.png' -Tcmapx");
+
# open2 doesn't respect "use open ':utf8'"
binmode (IN, ':utf8');
binmode (OUT, ':utf8');
local $/=undef;
my $ret="<object data=\"".
- IkiWiki::abs2rel("$params{page}.png", IkiWiki::dirname($params{page})).
- "\" type=\"image/png\" usemap=\"#linkmap$mapnum\">\n".
- <IN>.
- "</object>";
+ IkiWiki::abs2rel("$params{page}.png", IkiWiki::dirname($params{page})).
+ "\" type=\"image/png\" usemap=\"#linkmap$mapnum\">\n".
+ <IN>.
+ "</object>";
close IN;
+
waitpid $pid, 0;
+ $SIG{PIPE}="DEFAULT";
+ if ($sigpipe) {
+ return "[[".gettext("linkmap failed to run dot")."]]";
+ }
+
return $ret;
} #}}}