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-rw-r--r--Library/Image/Gd/Captcha.php103
-rw-r--r--Library/Image/Gd/Thumbnail.php220
-rw-r--r--Library/Image/Gd/index.html1
3 files changed, 324 insertions, 0 deletions
diff --git a/Library/Image/Gd/Captcha.php b/Library/Image/Gd/Captcha.php
new file mode 100644
index 0000000..1e8d706
--- /dev/null
+++ b/Library/Image/Gd/Captcha.php
@@ -0,0 +1,103 @@
+<?php
+
+// EasyGiant is a PHP framework for creating and managing dynamic content
+//
+// Copyright (C) 2009 - 2011 Antonio Gallo
+// See COPYRIGHT.txt and LICENSE.txt.
+//
+// This file is part of EasyGiant
+//
+// EasyGiant 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.
+//
+// EasyGiant is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with EasyGiant. If not, see <http://www.gnu.org/licenses/>.
+
+if (!defined('EG')) die('Direct access not allowed!');
+
+//class to create a captcha
+//you have to call session_start() before to initialize a captcha object
+class Image_Gd_Captcha
+{
+
+ private $params = array(); //parameters of the object
+ private $string = null; //the text string of the captcha
+
+ public function __construct($params = null)
+ {
+ $here = realpath('.');
+
+ $defaultParams = array(
+ 'boxWidth' => 150,
+ 'boxHeight' => 100,
+ 'charNumber' => 6,
+ 'fontPath' => $here.'/External/Fonts/FreeFont/FreeMono.ttf',
+ 'undulation' => true,
+ 'align' => false,
+ 'charHeight' => 28,
+ 'sessionKey' => 'captchaString',
+ );
+
+ //set the $this->scaffold->params array
+ if (is_array($params))
+ {
+ foreach ($params as $key => $value)
+ {
+ $defaultParams[$key] = $value;
+ }
+ }
+ $this->params = $defaultParams;
+
+ $this->string = generateString($this->params['charNumber']);
+ }
+
+ public function render()
+ {
+ //space among characters
+ $space = $this->params['boxWidth'] / ($this->params['charNumber']+1);
+ //create the image box
+ $img = imagecreatetruecolor($this->params['boxWidth'],$this->params['boxHeight']);
+
+ $background = imagecolorallocate($img,255,255,255);
+ $border = imagecolorallocate($img,0,0,0);
+ $colors[] = imagecolorallocate($img,mt_rand(0,125),mt_rand(0,125),mt_rand(0,125));
+ $colors[] = imagecolorallocate($img,mt_rand(0,125),mt_rand(0,125),mt_rand(0,125));
+ $colors[] = imagecolorallocate($img,mt_rand(0,125),mt_rand(0,125),mt_rand(0,125));
+
+ //create the background
+ imagefilledrectangle($img,1,1,$this->params['boxWidth']-2,$this->params['boxHeight']-2,$background);
+ imagerectangle($img,0,0,$this->params['boxWidth']-1,$this->params['boxHeight']-2,$border);
+
+ //set the text
+ for ($i=0; $i< $this->params['charNumber']; $i++)
+ {
+ $color = $colors[$i % count($colors)];
+ $char = substr($this->string,$i,1);
+ $fontPath = $this->params['fontPath'];
+ $angle = $this->params['undulation'] === false ? 0 : -20+rand(0,40);
+ $yposFixed = (int)(($this->params['boxHeight'])/2);
+ $ypos = $this->params['align'] === true ? $yposFixed : $yposFixed + mt_rand(0,10);
+ $charHeight = $this->params['charHeight'];
+ imagettftext($img,$charHeight + rand(0,8),$angle,($i+0.3)*$space,$ypos,$color,$fontPath,$char);
+ }
+
+ $noiseColor = imagecolorallocate($img, mt_rand(125,255), mt_rand(125,255), mt_rand(125,255));
+ /* generate random dots in background */
+ for( $i=0; $i<($this->params['boxWidth'] * $this->params['boxHeight'])/7; $i++ ) {
+ imagefilledellipse($img, mt_rand(0,$this->params['boxWidth']), mt_rand(0,$this->params['boxHeight']), 1, 1, $noiseColor);
+ }
+
+ $_SESSION[$this->params['sessionKey']] = $this->string;
+ header('Content-Type: image/png');
+ imagepng($img);
+ imagedestroy($img);
+ }
+
+} \ No newline at end of file
diff --git a/Library/Image/Gd/Thumbnail.php b/Library/Image/Gd/Thumbnail.php
new file mode 100644
index 0000000..22e501e
--- /dev/null
+++ b/Library/Image/Gd/Thumbnail.php
@@ -0,0 +1,220 @@
+<?php
+
+// EasyGiant is a PHP framework for creating and managing dynamic content
+//
+// Copyright (C) 2009 - 2011 Antonio Gallo
+// See COPYRIGHT.txt and LICENSE.txt.
+//
+// This file is part of EasyGiant
+//
+// EasyGiant 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.
+//
+// EasyGiant is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with EasyGiant. If not, see <http://www.gnu.org/licenses/>.
+
+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' => null,
+ 'imgHeight' => null,
+ 'defaultImage' => null,
+ 'cropImage' => 'no',
+ 'horizAlign' => 'left',
+ 'vertAlign' => 'top',
+ 'resample' => 'yes',
+ 'function' => 'none',
+ 'outputFormat' => 'jpeg',
+ );
+
+ //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 $this->basePath
+ //$outputFile: the name of the output file
+ public function render($imageFile, $outputFile = null)
+ {
+ $imagePath = $this->basePath . basename($imageFile);
+
+ if (!file_exists($imagePath) and isset($this->params['defaultImage'])) $imagePath = $this->params['defaultImage'];
+
+ $img = null;
+ $type = 'jpeg';
+ $contentType = 'image/jpeg';
+
+ if (file_exists($imagePath))
+ {
+ $ext = strtolower(end(explode('.', $imagePath)));
+
+ if (strcmp($ext,'jpg') === 0 or strcmp($ext,'jpeg') === 0) {
+ $img = @imagecreatefromjpeg($imagePath);
+ $type = 'jpeg';
+ $contentType = 'image/jpeg';
+ } else if (strcmp($ext,'png') === 0) {
+ $img = @imagecreatefrompng($imagePath);
+ $type = 'png';
+ $contentType = 'image/png';
+ } else if (strcmp($ext,'gif') === 0) {
+ $img = @imagecreatefromgif($imagePath);
+ $type = 'gif';
+ $contentType = 'image/gif';
+ }
+ }
+
+ //If an image was successfully loaded, test the image for size
+ if ($img)
+ {
+ //image size
+ $width = imagesx($img);
+ $height = imagesy($img);
+
+ if (!isset($this->params['imgWidth'])) $this->params['imgWidth'] = $width;
+ if (!isset($this->params['imgHeight'])) $this->params['imgHeight'] = $height;
+
+ if ($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, $newHeight);
+
+ if ($this->params['resample'] === 'yes')
+ {
+ //copy and resample
+ imagecopyresampled($tmpImg, $img, 0, 0, $xSrc, $ySrc,$newWidth, $newHeight, $width, $height);
+ }
+ else
+ {
+ //copy and resize
+ imagecopyresized($tmpImg, $img, 0, 0, $xSrc, $ySrc,$newWidth, $newHeight, $width, $height);
+ }
+ imagedestroy($img);
+ $img = $tmpImg;
+
+ if (!function_exists($this->params['function'])) {
+ throw new Exception('Error in <b>'.__METHOD__.'</b>: function <b>'.$this->params['function']. '</b> does not exist');
+ }
+
+ $img = call_user_func($this->params['function'],$img);
+ }
+
+ }
+
+ if (!$img)
+ {
+ $imgWidth = isset($this->params['imgWidth']) ? $this->params['imgWidth'] : 100;
+ $imgHeight = isset($this->params['imgHeight']) ? $this->params['imgHeight'] : 100;
+
+ $img = imagecreate($imgWidth, $imgHeight);
+ imagecolorallocate($img,200,200,200);
+ }
+
+ //print the image
+ if (!isset($outputFile))
+ {
+ header("Content-type: $contentType");
+ }
+
+ if (strcmp($type,'png') === 0)
+ {
+ imagepng($img,$outputFile,9);
+ }
+ else if (strcmp($type,'gif') === 0)
+ {
+ imagegif($img,$outputFile);
+ }
+ else
+ {
+ imagejpeg($img,$outputFile,90);
+ }
+ }
+
+} \ No newline at end of file
diff --git a/Library/Image/Gd/index.html b/Library/Image/Gd/index.html
new file mode 100644
index 0000000..8d1c8b6
--- /dev/null
+++ b/Library/Image/Gd/index.html
@@ -0,0 +1 @@
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 05:16:46 +0000