From 3c057b20907a9572c6f48793a41923b41b61d51b Mon Sep 17 00:00:00 2001
From: Romain d'Alverny <rda@mageia.org>
Date: Wed, 25 May 2011 17:13:15 +0000
Subject: use EXIF COMMENT field if available

---
 index.php | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/index.php b/index.php
index 8d52ef0..eb4b008 100644
--- a/index.php
+++ b/index.php
@@ -16,16 +16,27 @@
 */
 
 $app_root = realpath(dirname(__FILE__));
+$images   = glob(sprintf('%s/var/hugs/*.jpg', $app_root));
 
-$images = glob(sprintf('%s/var/hugs/*.jpg', $app_root));
 if (count($images) > 0) {
+
     $img_tmpl = '<img id="hi" src="%s" alt="Free Hugs!" title="Come get a hug!">';
     $img      = $images[array_rand($images)];
     $out      = sprintf($img_tmpl,
         str_replace($app_root, '', $img));
 
-    // TODO $exif = exif_read_data($img, null, true);
+    // TIP use jhead -ce photo.jpg to edit photo COMMENT field
+    $exif = exif_read_data($img, null, true);
+    if (!is_null($exif)
+        && isset($exif['COMMENT'])) {
+
+        $out .= sprintf('<figcaption id="hicomment">%s</figcaption>',
+            nl2br($exif['COMMENT'][0]));
+    }
+    $out = sprintf('<figure>%s</figure>', $out);
+
 } else {
+
     $out = '<div id="hi"><p>404 Hug Not Found :(</p></div>';
 }
 
@@ -53,6 +64,7 @@ if (count($images) > 0) {
     ul { margin-bottom: 4em; }
     li { margin-bottom: 0.6em; }
     img { border: 0; }
+    figure, figcaption { display: block; margin: 0; padding: 0; }
     #hi { margin: 10px 0 0 0; width: 350px;
         -webkit-box-shadow: 0 0 40px #555; -moz-box-shadow: 0 0 40px #555;
         box-shadow: 0 0 40px #555;
-- 
cgit v1.2.1