X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/c588845a051da89505db9e55158783e1650ff0e2..c28c7846b49df31b7ac4fbda7e44c514a939e816:/IkiWiki/Plugin/img.pm

diff --git a/IkiWiki/Plugin/img.pm b/IkiWiki/Plugin/img.pm
index 49e1d57d6..44d67bd83 100644
--- a/IkiWiki/Plugin/img.pm
+++ b/IkiWiki/Plugin/img.pm
@@ -5,15 +5,24 @@ package IkiWiki::Plugin::img;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 
 my %imgdefaults;
 
-sub import { #{{{
+sub import {
+	hook(type => "getsetup", id => "img", call => \&getsetup);
 	hook(type => "preprocess", id => "img", call => \&preprocess, scan => 1);
-} #}}}
+}
 
-sub preprocess (@) { #{{{
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+}
+
+sub preprocess (@) {
 	my ($image) = $_[0] =~ /$config{wiki_file_regexp}/; # untaint
 	my %params=@_;
 
@@ -34,43 +43,48 @@ sub preprocess (@) { #{{{
 		return '';
 	}
 
-	push @{$links{$params{page}}}, $image;
+	add_link($params{page}, $image);
 	# optimisation: detect scan mode, and avoid generating the image
 	if (! defined wantarray) {
 		return;
 	}
 
 	my $file = bestlink($params{page}, $image);
+	my $srcfile = srcfile($file, 1);
+	if (! length $file || ! defined $srcfile) {
+		return htmllink($params{page}, $params{destpage}, $image);
+	}
 
 	my $dir = $params{page};
 	my $base = IkiWiki::basename($file);
 
 	eval q{use Image::Magick};
-	return "[[img ".gettext("Image::Magick not installed")."]]" if $@;
+	error gettext("Image::Magick is not installed") if $@;
 	my $im = Image::Magick->new;
 	my $imglink;
 	my $r;
 
 	if ($params{size} ne 'full') {
-		my ($w, $h) = ($params{size} =~ /^(\d+)x(\d+)$/);
-		return "[[img ".sprintf(gettext('bad size "%s"'), $params{size})."]]"
-			unless (defined $w && defined $h);
+		my ($w, $h) = ($params{size} =~ /^(\d*)x(\d*)$/);
+		error sprintf(gettext('wrong size format "%s" (should be WxH)'), $params{size})
+			unless (defined $w && defined $h &&
+			        (length $w || length $h));
 
 		my $outfile = "$config{destdir}/$dir/${w}x${h}-$base";
 		$imglink = "$dir/${w}x${h}-$base";
 		
 		will_render($params{page}, $imglink);
 
-		if (-e $outfile && (-M srcfile($file) >= -M $outfile)) {
+		if (-e $outfile && (-M $srcfile >= -M $outfile)) {
 			$r = $im->Read($outfile);
-			return "[[img ".sprintf(gettext("failed to read %s: %s"), $outfile, $r)."]]" if $r;
+			error sprintf(gettext("failed to read %s: %s"), $outfile, $r) if $r;
 		}
 		else {
-			$r = $im->Read(srcfile($file));
-			return "[[img ".sprintf(gettext("failed to read %s: %s"), $file, $r)."]]" if $r;
+			$r = $im->Read($srcfile);
+			error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
 
 			$r = $im->Resize(geometry => "${w}x${h}");
-			return "[[img ".sprintf(gettext("failed to resize: %s"), $r)."]]" if $r;
+			error sprintf(gettext("failed to resize: %s"), $r) if $r;
 
 			# don't actually write file in preview mode
 			if (! $params{preview}) {
@@ -83,8 +97,8 @@ sub preprocess (@) { #{{{
 		}
 	}
 	else {
-		$r = $im->Read(srcfile($file));
-		return "[[img ".sprintf(gettext("failed to read %s: %s"), $file, $r)."]]" if $r;
+		$r = $im->Read($srcfile);
+		error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
 		$imglink = $file;
 	}
 
@@ -101,14 +115,15 @@ sub preprocess (@) { #{{{
 	}
 
 	if (! defined($im->Get("width")) || ! defined($im->Get("height"))) {
-		return "[[img ".sprintf(gettext("failed to determine size of image %s"), $file)."]]";
+		error sprintf(gettext("failed to determine size of image %s"), $file)
 	}
 
 	my $imgtag='<img src="'.$imgurl.
-		'" alt="'.(exists $params{alt} ? $params{alt} : '').
 		'" width="'.$im->Get("width").
 		'" height="'.$im->Get("height").'"'.
+		(exists $params{alt} ? ' alt="'.$params{alt}.'"' : '').
 		(exists $params{title} ? ' title="'.$params{title}.'"' : '').
+		(exists $params{align} ? ' align="'.$params{align}.'"' : '').
 		(exists $params{class} ? ' class="'.$params{class}.'"' : '').
 		(exists $params{id} ? ' id="'.$params{id}.'"' : '').
 		' />';
@@ -135,6 +150,6 @@ sub preprocess (@) { #{{{
 	else {
 		return $imgtag;
 	}
-} #}}}
+}
 
 1