1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
#!/usr/bin/perl
# Ikiwiki enhanced image handling plugin
# Christian Mock cm@tahina.priv.at 20061002
package IkiWiki::Plugin::img;
use warnings;
use strict;
use IkiWiki 2.00;
my %imgdefaults;
sub import { #{{{
hook(type => "preprocess", id => "img", call => \&preprocess, scan => 1);
} #}}}
sub preprocess (@) { #{{{
my ($image) = $_[0] =~ /$config{wiki_file_regexp}/; # untaint
my %params=@_;
if (exists $imgdefaults{$params{page}}) {
foreach my $key (keys %{$imgdefaults{$params{page}}}) {
if (! exists $params{$key}) {
$params{$key}=$imgdefaults{$params{page}}->{$key};
}
}
}
if (! exists $params{size}) {
$params{size}='full';
}
if ($image eq 'defaults') {
$imgdefaults{$params{page}} = \%params;
return '';
}
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};
my $base = IkiWiki::basename($file);
eval q{use Image::Magick};
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+)$/);
error sprintf(gettext('bad size "%s"'), $params{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);
if (-e $outfile && (-M srcfile($file) >= -M $outfile)) {
$r = $im->Read($outfile);
error sprintf(gettext("failed to read %s: %s"), $outfile, $r) if $r;
}
else {
$r = $im->Read(srcfile($file));
error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
$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
if (! $params{preview}) {
my @blob = $im->ImageToBlob();
writefile($imglink, $config{destdir}, $blob[0], 1);
}
else {
$imglink = $file;
}
}
}
else {
$r = $im->Read(srcfile($file));
error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
$imglink = $file;
}
add_depends($imglink, $params{page});
my ($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"))) {
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 $params{title} ? ' title="'.$params{title}.'"' : '').
(exists $params{class} ? ' class="'.$params{class}.'"' : '').
(exists $params{id} ? ' id="'.$params{id}.'"' : '').
' />';
if (! defined $params{link} || lc($params{link}) eq 'yes') {
$imgtag='<a href="'.$fileurl.'">'.$imgtag.'</a>';
}
elsif ($params{link} =~ /^\w+:\/\//) {
$imgtag='<a href="'.$params{link}.'">'.$imgtag.'</a>';
}
elsif (length bestlink($params{page}, $params{link})) {
add_depends($params{page}, $params{link});
$imgtag=htmllink($params{page}, $params{destpage},
$params{link}, linktext => $imgtag,
noimageinline => 1);
}
if (exists $params{caption}) {
return '<table class="img">'.
'<caption>'.$params{caption}.'</caption>'.
'<tr><td>'.$imgtag.'</td></tr>'.
'</table>';
}
else {
return $imgtag;
}
} #}}}
1
|