From 47a49c851ab285e7e4f48aa29247a8a71fdb9d5c Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Sun, 17 May 2009 17:45:58 +0000
Subject: moved all resize code into lib/resize.php

---
 lib/resize.php | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)

(limited to 'lib')

diff --git a/lib/resize.php b/lib/resize.php
index daf18efdf..bf63db82d 100644
--- a/lib/resize.php
+++ b/lib/resize.php
@@ -4,6 +4,7 @@
 	 * 
 	 */
 
+	 
 	/**
 	 * Create thumbnails using PHP GD Library
 	 *
@@ -82,5 +83,170 @@
 
 		return true;
 	}
+	
+	/**
+	 * Create thumbnails using ImageMagick executables
+	 *
+	 * @param ElggFile
+	 * @param string
+	 * @param string
+	 * @return bool 
+	 */
+	function tp_create_imagick_cmdline_thumbnails($file, $prefix, $filestorename)
+	{
+		global $CONFIG;
+		
+		$mime = $file->getMimeType();
+		
+		$thumblarge = tp_imagick_resize($file->getFilenameOnFilestore(), 
+								"largethumb", 
+								$CONFIG->tidypics->image_large_width, 
+								$CONFIG->tidypics->image_large_height, 
+								false); 
+									
+		$thumbsmall = tp_imagick_resize($file->getFilenameOnFilestore(), 
+								"smallthumb", 
+								$CONFIG->tidypics->image_small_width, 
+								$CONFIG->tidypics->image_small_height, 
+								true); 
+
+		$thumbnail = tp_imagick_resize($file->getFilenameOnFilestore(), 
+								"thumb", 
+								$CONFIG->tidypics->image_thumb_width, 
+								$CONFIG->tidypics->image_thumb_height, 
+								true);
+		
+		if ($thumbnail) {
+			$thumb = new ElggFile();
+			$thumb->setMimeType($mime);
+			$thumb->setFilename($prefix."thumb".$filestorename);
+			$file->thumbnail = $prefix."thumb".$filestorename;
+		}
+		
+		if ($thumbsmall) {
+			$thumb = new ElggFile();
+			$thumb->setMimeType($mime);
+			$thumb->setFilename($prefix."smallthumb".$filestorename);
+			$file->smallthumb = $prefix."smallthumb".$filestorename;
+		}
+		
+		if ($thumblarge) {
+			$thumb = new ElggFile();
+			$thumb->setMimeType($mime);
+			$thumb->setFilename($prefix."largethumb".$filestorename);
+			$file->largethumb = $prefix."largethumb".$filestorename;
+		}
+
+		return true;
+	}
+
+	/*
+	 * Gets the jpeg contents of the resized version of an already uploaded image
+	 * (Returns false if the uploaded file was not an image)
+	 *
+	 * @param string $input_name The name of the file input field on the submission form
+	 * @param string $prefix The text to prefix to the existing filename
+	 * @param int $maxwidth The maximum width of the resized image
+	 * @param int $maxheight The maximum height of the resized image
+	 * @param true|false $square If set to true, will take the smallest of maxwidth and maxheight and use it to set the dimensions on all size; the image will be cropped.
+	 * @return false|mixed The contents of the resized image, or false on failure
+	 */
+	function tp_imagick_resize($input_name, $prefix, $maxwidth, $maxheight, $square = false, $x1 = 0, $y1 = 0, $x2 = 0, $y2 = 0) {
+
+		$params = array(
+			"input_name"=>$input_name,
+			"output_name"=>$output_name,
+			"maxwidth"=>$maxwidth,
+			"maxheight"=>$maxheight,
+			"square"=>$square,
+			"x1"=>$x1,
+			"y1"=>$y1,
+			"x2"=>$x2,
+			"y2"=>$y2);
+		
+		$path = pathinfo($input_name);
+		$output_name = $path["dirname"] . "/$prefix" . $path["filename"] . "." . $path["extension"];
+		
+		// Get the size information from the image
+		if ($imgsizearray = getimagesize($input_name)) {
+
+			// Get width and height
+			$width = $imgsizearray[0];
+			$height = $imgsizearray[1];
+			$newwidth = $width;
+			$newheight = $height;
+			
+			// Square the image dimensions if we're wanting a square image
+			if ($square) {
+				if ($width < $height) {
+					$height = $width;
+				} else {
+					$width = $height;
+				}
+				
+				$newwidth = $width;
+				$newheight = $height;
+				
+			}
+
+			if ($width > $maxwidth) {
+				$newheight = floor($height * ($maxwidth / $width));
+				$newwidth = $maxwidth;
+			}
+			if ($newheight > $maxheight) {
+				$newwidth = floor($newwidth * ($maxheight / $newheight));
+				$newheight = $maxheight;
+			}
+
+			$accepted_formats = array(
+										'image/jpeg' => 'jpeg',
+										'image/png' => 'png',
+										'image/gif' => 'gif'
+										);
+			// If it's a file we can manipulate ...
+			if (array_key_exists($imgsizearray['mime'],$accepted_formats)) {
+
+				// Crop the image if we need a square
+				if ($square) {
+					if ($x1 == 0 && $y1 == 0 && $x2 == 0 && $y2 ==0) {
+						$widthoffset = floor(($imgsizearray[0] - $width) / 2);
+						$heightoffset = floor(($imgsizearray[1] - $height) / 2);
+					} else {
+						$widthoffset = $x1;
+						$heightoffset = $y1;
+						$width = ($x2 - $x1);
+						$height = $width;
+					}
+				} else {
+					if ($x1 == 0 && $y1 == 0 && $x2 == 0 && $y2 ==0) {
+						$widthoffset = 0;
+						$heightoffset = 0;
+					} else {
+						$widthoffset = $x1;
+						$heightoffset = $y1;
+						$width = ($x2 - $x1);
+						$height = ($y2 - $y1);
+					}
+				}
+				
+				// Resize and return the image contents!
+				if ($square) {
+					$newheight = $maxheight;
+					$newwidth = $maxwidth;
+				}
+				$im_path = get_plugin_setting('convert_command', 'tidypics');
+				if(!$im_path) {
+					$im_path = "/usr/bin/";
+				}
+				if(substr($im_path, strlen($im_path)-1, 1) != "/") $im_path .= "/";
+				$command = $im_path . "convert \"$input_name\" -resize ".$newwidth."x".$newheight."^ -gravity center -extent ".$newwidth."x".$newheight." \"$output_name\"";
+				system($command);
+				return $output_name;
+
+			}
+		}
+
+		return false;
+	}
 
 ?>
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