From b328fd43ed7315fb4189f2408f6a1c10f8a9f3e7 Mon Sep 17 00:00:00 2001
From: Greg Froese <greg.froese@gmail.com>
Date: Wed, 20 May 2009 03:19:54 +0000
Subject: moved watermarking into lib dir

---
 lib/watermark.php | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 lib/watermark.php

(limited to 'lib')

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
-- 
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