* Use forcebaseurl to make page previews be displayed with the html base

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

diff --git a/IkiWiki/Plugin/img.pm b/IkiWiki/Plugin/img.pm
index bde5a3e1ae9ff997385b98751efae28da0768e31..c5b86bad8311c42ca8c88993c9e55f62845ab988 100644 (file)
--- a/IkiWiki/Plugin/img.pm
+++ b/IkiWiki/Plugin/img.pm
@@ -5,15 +5,12 @@ package IkiWiki::Plugin::img;
 
 use warnings;
 use strict;
-use IkiWiki;
-use Image::Magick;
-
-my $convert = 'convert';
+use IkiWiki 2.00;
 
 my %imgdefaults;
 
 sub import { #{{{
-       hook(type => "preprocess", id => "img", call => \&preprocess);
+       hook(type => "preprocess", id => "img", call => \&preprocess, scan => 1);
 } #}}}
 
 sub preprocess (@) { #{{{
@@ -34,52 +31,98 @@ sub preprocess (@) { #{{{
                return '';
        }
 
-       my $file = bestlink($params{page}, $image) || return "[[img $image not found]]";
-       add_depends($params{page}, $file);
+       push @{$links{$params{page}}}, $image;
+       # optimisation: detect scan mode, and avoid generating the image
+       if (! defined wantarray) {
+               return;
+       }
+
+       my $file = bestlink($params{page}, $image);
 
-       my $dir = IkiWiki::dirname($file);
+       my $dir = $params{destpage};
        my $base = IkiWiki::basename($file);
+
+       eval q{use Image::Magick};
+       error($@) if $@;
        my $im = Image::Magick->new;
        my $imglink;
        my $r;
 
        if ($size ne 'full') {
                my ($w, $h) = ($size =~ /^(\d+)x(\d+)$/);
-               return "[[img bad size \"$size\"]]" unless (defined $w && defined $h);
+               return "[[img ".sprintf(gettext('bad size "%s"'), $size)."]]"
+                       unless (defined $w && defined $h);
 
                my $outfile = "$config{destdir}/$dir/${w}x${h}-$base";
                $imglink = "$dir/${w}x${h}-$base";
-               will_render($params{page}, $imglink);
+               
+               will_render($params{destpage}, $imglink);
 
                if (-e $outfile && (-M srcfile($file) >= -M $outfile)) {
                        $r = $im->Read($outfile);
-                       return "[[img failed to read $outfile: $r]]" if $r;
+                       return "[[img ".sprintf(gettext("failed to read %s: %s"), $outfile, $r)."]]" if $r;
                }
                else {
                        $r = $im->Read(srcfile($file));
-                       return "[[img failed to read $file: $r]]" if $r;
+                       return "[[img ".sprintf(gettext("failed to read %s: %s"), $file, $r)."]]" if $r;
 
                        $r = $im->Resize(geometry => "${w}x${h}");
-                       return "[[img failed to resize: $r]]" if $r;
-
-                       my @blob = $im->ImageToBlob();
-                       writefile($imglink, $config{destdir}, $blob[0], 1);
+                       return "[[img ".sprintf(gettext("failed to resize: %s"), $r)."]]" if $r;
+
+                       # don't actually write file in preview mode
+                       if (! $params{preview}) {
+                               my @blob = $im->ImageToBlob();
+                               writefile($imglink, $config{destdir}, $blob[0], 1);
+                       }
+                       else {
+                               $imglink = $file;
+                       }
                }
        }
        else {
                $r = $im->Read(srcfile($file));
-               return "[[img failed to read $file: $r]]" if $r;
+               return "[[img ".sprintf(gettext("failed to read %s: %s"), $file, $r)."]]" if $r;
                $imglink = $file;
        }
 
        add_depends($imglink, $params{page});
 
-       return '<a href="'.
-               IkiWiki::abs2rel($file, IkiWiki::dirname($params{destpage})).
-               '"><img src="'.
-               IkiWiki::abs2rel($imglink, IkiWiki::dirname($params{destpage})).
+       my ($fileurl, $imgurl);
+       if (! $params{preview}) {
+               $fileurl=urlto($file, $params{destpage});
+               $imgurl=urlto($imglink, $params{destpage});
+       }
+       else {
+               $fileurl="$config{url}/$file";
+               $imgurl="$config{url}/$imglink";
+       }
+
+       if (! defined($im->Get("width")) || ! defined($im->Get("height"))) {
+               return "[[img ".sprintf(gettext("failed to determine size of image %s"), $file)."]]";
+       }
+
+       my $imgtag='<img src="'.$imgurl.
                '" alt="'.$alt.'" width="'.$im->Get("width").
-               '" height="'.$im->Get("height").'" /></a>';
+               '" height="'.$im->Get("height").'"'.
+               (exists $params{class} ? ' class="'.$params{class}.'"' : '').
+               (exists $params{id} ? ' id="'.$params{id}.'"' : '').
+               ' />';
+
+       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;
+1