From 07f5140771388c9e0c8a99b0dd2e5d950bdb173b Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Thu, 14 Oct 2021 15:16:42 +1100
Subject: moving h-source subdir out.

---
 admin/Library/Image/Gd/Thumbnail.php | 151 +++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 admin/Library/Image/Gd/Thumbnail.php

(limited to 'admin/Library/Image/Gd/Thumbnail.php')

diff --git a/admin/Library/Image/Gd/Thumbnail.php b/admin/Library/Image/Gd/Thumbnail.php
new file mode 100644
index 0000000..5981175
--- /dev/null
+++ b/admin/Library/Image/Gd/Thumbnail.php
@@ -0,0 +1,151 @@
+<?php
+
+// All EasyGiant code is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+// See COPYRIGHT.txt and LICENSE.txt.
+
+if (!defined('EG')) die('Direct access not allowed!');
+
+//class to create a thumbnail
+class Image_Gd_Thumbnail
+{
+	const DS = DIRECTORY_SEPARATOR;
+	
+	private $params = array(); //parameters of the object
+	private $basePath = null; //the path of the folder inside which the images are saved
+	
+	public function __construct($basePath,$params = null)
+	{
+		$finalChar = $basePath[strlen($basePath) - 1];
+		if (strcmp($finalChar,self::DS) !== 0) $basePath .= self::DS;
+		
+		$this->basePath = $basePath;
+		
+		$defaultParams = array(
+			'imgWidth'		=>	100,
+			'imgHeight'		=>	100,
+			'defaultImage'	=>	null,
+			'cropImage'		=>	'no',
+			'horizAlign'	=>	'left',
+			'vertAlign'		=>	'top'
+		);
+
+		//set the $this->scaffold->params array
+		if (is_array($params))
+		{
+			foreach ($params as $key => $value)
+			{
+				$defaultParams[$key] = $value;
+			}
+		}
+		$this->params = $defaultParams;
+	}
+	
+	//create the thumbnail
+	//$imageName: the name of the file inside $this->basePath
+	public function render($imageFile)
+	{
+		$imagePath = $this->basePath . basename($imageFile);
+		
+		if (!file_exists($imagePath) and isset($this->params['defaultImage'])) $imagePath = $this->params['defaultImage'];
+		
+		$img = null;
+		$ext = strtolower(end(explode('.', $imagePath)));
+		
+		if (strcmp($ext,'jpg') === 0 or strcmp($ext,'jpeg') === 0) {
+			$img = @imagecreatefromjpeg($imagePath);
+		} else if (strcmp($ext,'png') === 0) {
+			$img = @imagecreatefrompng($imagePath);
+		} else if (strcmp($ext,'gif') === 0) {
+			$img = @imagecreatefromgif($imagePath);
+		}
+		
+		//If an image was successfully loaded, test the image for size
+		if ($img) {
+			//image size
+			$width = imagesx($img);
+			$height = imagesy($img);
+			
+			if ($this->params['cropImage'] === 'no')
+			{
+				$scale = min($this->params['imgWidth']/$width, $this->params['imgHeight']/$height);
+			}
+			else if ($this->params['cropImage'] === 'yes')
+			{
+				$scale = max($this->params['imgWidth']/$width, $this->params['imgHeight']/$height);
+			}
+			
+			if ($scale < 1) {
+   
+				$xSrc = 0;
+				$ySrc = 0;
+   
+				if ($this->params['cropImage'] === 'no')
+				{
+					$newWidth = floor($scale*$width);
+					$newHeight = floor($scale*$height);
+				}
+				else if ($this->params['cropImage'] === 'yes')
+				{
+			
+					$newWidth = $this->params['imgWidth'];
+					$newHeight = $this->params['imgHeight'];
+					$oldWidth = $width;
+					$oldHeight = $height;
+					$width = floor($newWidth/$scale);
+					$height = floor($newHeight/$scale);
+					
+					switch ($this->params['horizAlign'])
+					{
+						case 'left':
+							$xSrc = 0;
+							break;
+						case 'right':
+							$xSrc = floor(($oldWidth-$width));
+							break;
+						case 'center':
+							$xSrc = floor(($oldWidth-$width)/2);
+							break;
+						default:
+							$xSrc = $this->params['horizAlign'];
+					}
+
+					switch ($this->params['vertAlign'])
+					{
+						case 'top':
+							$ySrc = 0;
+							break;
+						case 'bottom':
+							$ySrc = floor(($oldHeight-$height));
+							break;
+						case 'center':
+							$ySrc = floor(($oldHeight-$height)/2);
+							break;
+						default:
+							$ySrc = $this->params['vertAlign'];
+					}
+
+				}
+
+				//temp image
+				$tmpImg = imagecreatetruecolor($newWidth, $newHeight);
+
+				//copy and resize
+				imagecopyresized($tmpImg, $img, 0, 0, $xSrc, $ySrc,$newWidth, $newHeight, $width, $height);
+				imagedestroy($img);
+				$img = $tmpImg;
+			}
+			
+		}
+		
+		if (!$img) {
+			$img = imagecreate($this->params['imgWidth'], $this->params['imgHeight']);
+			imagecolorallocate($img,200,200,200);
+		}
+
+		//print the image
+		header("Content-type: image/jpeg");
+		imagejpeg($img);
+		
+	}
+	
+}
\ No newline at end of file
-- 
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