img: Add a margin around images displayed by this directive.

[ikiwiki.git] / IkiWiki / Plugin / img.pm

diff --git a/IkiWiki/Plugin/img.pm b/IkiWiki/Plugin/img.pm
index f06121578266bedc92027a0624cd05a21cdf6c0f..2375ead8968b6a9baf64ff8ac825dbde6a75b82d 100644 (file)
--- a/IkiWiki/Plugin/img.pm
+++ b/IkiWiki/Plugin/img.pm
@@ -39,7 +39,7 @@ sub preprocess (@) {
                }
        }
 
-       if (! exists $params{size}) {
+       if (! exists $params{size} || ! length $params{size}) {
                $params{size}='full';
        }
 
@@ -115,16 +115,14 @@ sub preprocess (@) {
                                $im = Image::Magick->new;
                                $r = $im->Read($outfile);
                                error sprintf(gettext("failed to read %s: %s"), $outfile, $r) if $r;
-               
-                               $dwidth = $im->Get("width");
-                               $dheight = $im->Get("height");
                        }
                        else {
                                ($dwidth, $dheight)=($w, $h);
                                $r = $im->Resize(geometry => "${w}x${h}");
                                error sprintf(gettext("failed to resize: %s"), $r) if $r;
 
-                               # don't actually write file in preview mode
+                               # don't actually write resized file in preview mode;
+                               # rely on width and height settings
                                if (! $params{preview}) {
                                        my @blob = $im->ImageToBlob();
                                        writefile($imglink, $config{destdir}, $blob[0], 1);
@@ -133,6 +131,9 @@ sub preprocess (@) {
                                        $imglink = $file;
                                }
                        }
+                       
+                       $dwidth = $im->Get("width") unless defined $dwidth;
+                       $dheight = $im->Get("height") unless defined $dheight;
                }
        }
        else {
@@ -155,14 +156,25 @@ sub preprocess (@) {
                $imgurl="$config{url}/$imglink";
        }
 
+       if (exists $params{class}) {
+               $params{class}.=" img";
+       }
+       else {
+               $params{class}="img";
+       }
+
+       my $attrs='';
+       foreach my $attr (qw{alt title class id hspace vspace}) {
+               if (exists $params{$attr}) {
+                       $attrs.=" $attr=\"$params{$attr}\"";
+               }
+       }
+       
        my $imgtag='<img src="'.$imgurl.
                '" width="'.$dwidth.
                '" height="'.$dheight.'"'.
-               (exists $params{alt} ? ' alt="'.$params{alt}.'"' : '').
-               (exists $params{title} ? ' title="'.$params{title}.'"' : '').
-               (exists $params{class} ? ' class="'.$params{class}.'"' : '').
+               $attrs.
                (exists $params{align} && ! exists $params{caption} ? ' align="'.$params{align}.'"' : '').
-               (exists $params{id} ? ' id="'.$params{id}.'"' : '').
                ' />';
 
        my $link;