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authorGreg Froese <greg.froese@gmail.com>2009-05-20 03:19:54 +0000
committerGreg Froese <greg.froese@gmail.com>2009-05-20 03:19:54 +0000
commitb328fd43ed7315fb4189f2408f6a1c10f8a9f3e7 (patch)
treea00b66fa581f7fa898f443f8b499504f081f3839 /lib/watermark.php
parent861c1143e231edce5e3b1fc537fe52c51e39bbc6 (diff)
downloadelgg-b328fd43ed7315fb4189f2408f6a1c10f8a9f3e7.tar.gz
elgg-b328fd43ed7315fb4189f2408f6a1c10f8a9f3e7.tar.bz2
moved watermarking into lib dir
Diffstat (limited to 'lib/watermark.php')
-rw-r--r--lib/watermark.php55
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/watermark.php b/lib/watermark.php
new file mode 100644
index 000000000..773aed565
--- /dev/null
+++ b/lib/watermark.php
@@ -0,0 +1,55 @@
+<?php
+
+function tp_watermark($thumbs) {
+ global $CONFIG;
+
+ $user = get_user_entity_as_row($album->owner_guid);
+ $username = $user->username;
+
+ $im_path = get_plugin_setting('convert_command', 'tidypics');
+ if(!$im_path) {
+ $im_path = "/usr/bin/";
+ }
+ if(substr($im_path, strlen($im_path)-1, 1) != "/") $im_path .= "/";
+
+ $viewer = get_loggedin_user();
+ $watermark_text = get_plugin_setting('watermark_text', 'tidypics');
+ $watermark_text = str_replace("%username%", $viewer->username, $watermark_text);
+ $watermark_text = str_replace("%sitename%", $CONFIG->sitename, $watermark_text);
+
+ if( $watermark_text ) { //get this value from the plugin settings
+ if( $thumbs["thumblarge"] ) {
+ $ext = ".png";
+
+ $watermark_filename = strtolower($watermark_text);
+ $watermark_filename = preg_replace("/[^\w-]+/", "-", $watermark_filename);
+ $watermark_filename = trim($watermark_filename, '-');
+
+ $user_stamp_base = strtolower(dirname(__FILE__) . "/" . $viewer->name . "_" . $watermark_filename . "_stamp");
+ $user_stamp_base = preg_replace("/[^\w-]+/", "-", $user_stamp_base);
+ $user_stamp_base = trim($user_stamp_base, '-');
+
+ if( !file_exists( $user_stamp_base . $ext )) { //create the watermark if it doesn't exist
+ $commands = array();
+ $commands[] = $im_path . 'convert -size 300x50 xc:grey30 -pointsize 20 -gravity center -draw "fill grey70 text 0,0 \''. $watermark_text . '\'" "'. $user_stamp_base . '_fgnd' . $ext . '"';
+ $commands[] = $im_path . 'convert -size 300x50 xc:black -pointsize 20 -gravity center -draw "fill white text 1,1 \''. $watermark_text . '\' text 0,0 \''. $watermark_text . '\' fill black text -1,-1 \''. $watermark_text . '\'" +matte ' . $user_stamp_base . '_mask' . $ext;
+ $commands[] = $im_path . 'composite -compose CopyOpacity "' . $user_stamp_base . "_mask" . $ext . '" "' . $user_stamp_base . '_fgnd' . $ext . '" "' . $user_stamp_base . $ext . '"';
+ $commands[] = $im_path . 'mogrify -trim +repage "' . $user_stamp_base . $ext . '"';
+ $commands[] = 'rm "' . $user_stamp_base . '_mask' . $ext . '"';
+ $commands[] = 'rm "' . $user_stamp_fgnd . '_mask' . $ext . '"';
+
+ foreach( $commands as $command ) {
+ exec( $command );
+ }
+ }
+ //apply the watermark
+ $commands = array();
+ $commands[] = $im_path . 'composite -gravity south -geometry +0+10 "' . $user_stamp_base . $ext . '" "' . $thumbs["thumblarge"] . '" "' . $thumbs["thumblarge"] . '_watermarked"';
+ $commands[] = "mv \"$thumbs[thumblarge]" . "_watermarked\" \"$thumbs[thumblarge]\"";
+ foreach( $commands as $command ) {
+ exec( $command );
+ }
+ }
+ }
+}
+?> \ No newline at end of file