first commit

plugins/sfThumbnailPlugin/lib/helper/sfThumbnailHelper.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * Get the path of a generated thumbnail for any given image
+ *
+ * @param string $source
+ * @param int $width
+ * @param int $height
+ * @param boolean $absolute
+ * @return string
+ */
+function thumbnail_path($source, $width, $height, $absolute = false)
+{
+	$thumbnails_dir = sfConfig::get('app_sfThumbnail_thumbnails_dir', 'uploads/thumbnails');
+	
+	$width = intval($width);
+	$height = intval($height);
+	
+	if (substr($source, 0, 1) == '/') {
+		$realpath = sfConfig::get('sf_web_dir') . $source;
+	} else {
+		$realpath = sfConfig::get('sf_web_dir') . '/images/' . $source;
+	}
+	
+	$real_dir = dirname($realpath);
+	$thumb_dir = '/' . $thumbnails_dir . substr($real_dir, strlen(sfConfig::get('sf_web_dir')));
+	$thumb_name = preg_replace('/^(.*?)(\..+)?$/', '$1_' . $width . 'x' . $height . '$2', basename($source));
+	
+	$img_from = $realpath;
+	$thumb = $thumb_dir . '/' . $thumb_name;
+	$img_to = sfConfig::get('sf_web_dir') . $thumb;
+	
+	if (!is_dir(dirname($img_to))) {
+		if (!mkdir(dirname($img_to), 0777, true)) {
+			throw new Exception('Cannot create directory for thumbnail : ' . $img_to);
+		}
+	}
+	
+	if (!is_file($img_to) || filemtime($img_from) > filemtime($img_to)) {
+		$thumbnail = new sfThumbnail($width, $height);
+		$thumbnail->loadFile($img_from);
+		$thumbnail->save($img_to);
+	}
+	
+	return image_path($thumb, $absolute);
+}
+
+/**
+ * Get the <img> tag to include a thumbnail into your web page
+ *
+ * @param string $source
+ * @param int $width
+ * @param int $height
+ * @param mixed $options
+ * @return string
+ */
+function thumbnail_tag($source, $width, $height, $options = array())
+{
+	$img_src = thumbnail_path($source, $width, $height, false);
+	return image_tag($img_src, $options);
+}