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authorCash Costello <cash.costello@gmail.com>2009-07-12 02:01:24 +0000
committerCash Costello <cash.costello@gmail.com>2009-07-12 02:01:24 +0000
commit6896c4082a9ab3636380e8b1407635274dabab8e (patch)
tree9b1a446ef3a853afd6c0642632d8005e8325106d /lib/watermark.php
parent1a7960b6f99cde142c27f84225611fbae3b8617d (diff)
downloadelgg-6896c4082a9ab3636380e8b1407635274dabab8e.tar.gz
elgg-6896c4082a9ab3636380e8b1407635274dabab8e.tar.bz2
started the imagick watermarking code
Diffstat (limited to 'lib/watermark.php')
-rw-r--r--lib/watermark.php64
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/watermark.php b/lib/watermark.php
index 91e2a38f3..b80e1b9e9 100644
--- a/lib/watermark.php
+++ b/lib/watermark.php
@@ -26,6 +26,70 @@ function tp_gd_watermark($filename) {
}
function tp_imagick_watermark($filename) {
+ $watermark_text = get_plugin_setting('watermark_text', 'tidypics');
+ if (!$watermark_text)
+ return;
+
+
+
+ $owner = get_loggedin_user();
+
+ $watermark_text = tp_process_watermark_text($watermark_text, $owner);
+
+ $ext = ".png";
+
+ $user_stamp_base = tp_get_watermark_filename($watermark_text, $owner);
+
+
+ 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_base . '_fgnd' . $ext . '"';
+
+ foreach( $commands as $command ) {
+ exec( $command );
+ }
+*/
+ }
+
+ try {
+ $img = new Imagick($filename);
+ } catch (ImagickException $e) {
+ return false;
+ }
+
+ try {
+ $mask = new Imagick($user_stamp_base . $ext);
+ } catch (ImagickException $e) {
+ return false;
+ }
+
+ $image_width = $img->getImageWidth();
+ $image_height = $img->getImageHeight();
+ $mask_width = $mask->getImageWidth();
+ $mask_height = $mask->getImageHeight();
+
+ // matching -gravity south -geometry +0+10
+ $top = $image_height - $mask_height - 10;
+ $left = round(($image_width - $mask_width) / 2);
+
+ $img->compositeImage($mask, Imagick::COMPOSITE_DEFAULT, $left, $top);
+
+ $mask->destroy();
+
+ if ($img->writeImage($filename) != true) {
+ $img->destroy();
+ return false;
+ }
+
+ $img->destroy();
+
+ return true;
}
function tp_imagick_cmdline_watermark($filename) {