X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/330bbd03df8f41cf6e8036dbfc764dabddcd6715..a4dc0f997c2d64c21e08d06382b9f3c3987a681f:/IkiWiki/Plugin/img.pm

diff --git a/IkiWiki/Plugin/img.pm b/IkiWiki/Plugin/img.pm
index cff9dabf0..b6e7c9e41 100644
--- a/IkiWiki/Plugin/img.pm
+++ b/IkiWiki/Plugin/img.pm
@@ -32,6 +32,11 @@ sub preprocess (@) { #{{{
 	}
 
 	push @{$links{$params{page}}}, $image;
+	# optimisation: detect scan mode, and avoid generating the image
+	if (! defined wantarray) {
+		return;
+	}
+
 	my $file = bestlink($params{page}, $image);
 
 	my $dir = $params{page};
@@ -62,7 +67,7 @@ sub preprocess (@) { #{{{
 			return "[[img ".sprintf(gettext("failed to read %s: %s"), $file, $r)."]]" if $r;
 
 			$r = $im->Resize(geometry => "${w}x${h}");
-			return "[[img ".sprinftf(gettext("failed to resize: %s"), $r)."]]" if $r;
+			return "[[img ".sprintf(gettext("failed to resize: %s"), $r)."]]" if $r;
 
 			# don't actually write file in preview mode
 			if (! $params{preview}) {
@@ -96,12 +101,28 @@ sub preprocess (@) { #{{{
 		return "[[img ".sprintf(gettext("failed to determine size of image %s"), $file)."]]";
 	}
 
-	return '<a href="'.$fileurl.'"><img src="'.$imgurl.
+	my $imgtag='<img src="'.$imgurl.
 		'" alt="'.$alt.'" width="'.$im->Get("width").
 		'" height="'.$im->Get("height").'"'.
 		(exists $params{class} ? ' class="'.$params{class}.'"' : '').
 		(exists $params{id} ? ' id="'.$params{id}.'"' : '').
-		' /></a>';
+		' />';
+
+	if (! defined $params{link} || lc($params{link}) eq 'yes') {
+		return  '<a href="'.$fileurl.'">'.$imgtag.'</a>';
+	}
+	elsif ($params{link} =~ /^\w+:\/\//) {
+		return  '<a href="'.$params{link}.'">'.$imgtag.'</a>';
+	}
+	elsif (length bestlink($params{page}, $params{link})) {
+		add_depends($params{page}, $params{link});
+		return htmllink($params{page}, $params{destpage},
+			$params{link}, linktext => $imgtag,
+			noimageinline => 1);
+	}
+	else {
+		return $imgtag;
+	}
 } #}}}
 
 1