<?php

//////////////////////////////////////////////////////////////

///  phpThumb() by James Heinrich <info@silisoftware.com>   //

//        available at http://phpthumb.sourceforge.net     ///

//////////////////////////////////////////////////////////////

///                                                         //

// See: phpthumb.readme.txt for usage instructions          //

//                                                         ///

//////////////////////////////////////////////////////////////



ob_start();

if (!include_once(dirname(__FILE__).'/phpthumb.functions.php')) {

	ob_end_flush();

	die('failed to include_once("'.realpath(dirname(__FILE__).'/phpthumb.functions.php').'")');

}

ob_end_clean();



class phpthumb {



	// public:

	// START PARAMETERS (for object mode and phpThumb.php)

	// See phpthumb.readme.txt for descriptions of what each of these values are

	var $src  = null;     // SouRCe filename

	var $new  = null;     // NEW image (phpThumb.php only)

	var $w    = null;     // Width

	var $h    = null;     // Height

	var $wp   = null;     // Width  (Portrait Images Only)

	var $hp   = null;     // Height (Portrait Images Only)

	var $wl   = null;     // Width  (Landscape Images Only)

	var $hl   = null;     // Height (Landscape Images Only)

	var $ws   = null;     // Width  (Square Images Only)

	var $hs   = null;     // Height (Square Images Only)

	var $f    = null;     // Format

	var $q    = 75;       // jpeg output Quality

	var $sx   = null;     // Source crop top-left X position

	var $sy   = null;     // Source crop top-left Y position

	var $sw   = null;     // Source crop Width

	var $sh   = null;     // Source crop Height

	var $zc   = null;     // Zoom Crop

	var $bc   = null;     // Border Color

	var $bg   = null;     // BackGround color

	var $fltr = array();  // FiLTeRs

	var $goto = null;     // GO TO url after processing

	var $err  = null;     // default ERRor image filename

	var $xto  = null;     // extract eXif Thumbnail Only

	var $ra   = null;     // Rotate by Angle

	var $ar   = null;     // Auto Rotate

	var $aoe  = null;     // Allow Output Enlargement

	var $far  = null;     // Fixed Aspect Ratio

	var $iar  = null;     // Ignore Aspect Ratio

	var $maxb = null;     // MAXimum Bytes

	var $down = null;     // DOWNload thumbnail filename

	var $md5s = null;     // MD5 hash of Source image

	var $file = null;     // >>deprecated, do not use<<



	var $phpThumbDebug = null;

	// END PARAMETERS





	// public:

	// START CONFIGURATION OPTIONS (for object mode only)

	// See phpThumb.config.php for descriptions of what each of these settings do



	// * Directory Configuration

	var $config_cache_directory                      = null;

	var $config_cache_disable_warning                = true;

	var $config_cache_source_enabled                 = false;

	var $config_cache_source_directory               = null;

	var $config_temp_directory                       = null;

	var $config_document_root                        = null;



	// * Default output configuration:

	var $config_output_format                        = 'jpeg';

	var $config_output_maxwidth                      = 0;

	var $config_output_maxheight                     = 0;

	var $config_output_interlace                     = true;



	// * Error message configuration

	var $config_error_image_width                    = 400;

	var $config_error_image_height                   = 100;

	var $config_error_message_image_default          = '';

	var $config_error_bgcolor                        = 'CCCCFF';

	var $config_error_textcolor                      = 'FF0000';

	var $config_error_fontsize                       = 1;

	var $config_error_die_on_error                   = false;

	var $config_error_silent_die_on_error            = false;

	var $config_error_die_on_source_failure          = true;



	// * Anti-Hotlink Configuration:

	var $config_nohotlink_enabled                    = true;

	var $config_nohotlink_valid_domains              = array();

	var $config_nohotlink_erase_image                = true;

	var $config_nohotlink_text_message               = 'Off-server thumbnailing is not allowed';

	// * Off-server Linking Configuration:

	var $config_nooffsitelink_enabled                = false;

	var $config_nooffsitelink_valid_domains          = array();

	var $config_nooffsitelink_require_refer          = false;

	var $config_nooffsitelink_erase_image            = true;

	var $config_nooffsitelink_text_message           = 'Off-server linking is not allowed';



	// * Border & Background default colors

	var $config_border_hexcolor                      = '000000';

	var $config_background_hexcolor                  = 'FFFFFF';



	// * TrueType Fonts

	var $config_ttf_directory                        = '.';



	var $config_max_source_pixels                    = null;

	var $config_use_exif_thumbnail_for_speed         = false;

	var $allow_local_http_src                        = false;



	var $config_imagemagick_path                     = null;

	var $config_prefer_imagemagick                   = true;



	var $config_cache_maxage                         = null;

	var $config_cache_maxsize                        = null;

	var $config_cache_maxfiles                       = null;

	var $config_cache_source_filemtime_ignore_local  = false;

	var $config_cache_source_filemtime_ignore_remote = true;

	var $config_cache_default_only_suffix            = false;

	var $config_cache_force_passthru                 = true;

	var $config_cache_prefix                         = '';    // default value set in the constructor below



	// * MySQL

	var $config_mysql_query                          = null;

	var $config_mysql_hostname                       = null;

	var $config_mysql_username                       = null;

	var $config_mysql_password                       = null;

	var $config_mysql_database                       = null;



	// * Security

	var $config_high_security_enabled                = false;

	var $config_high_security_password               = null;

	var $config_disable_debug                        = false;

	var $config_allow_src_above_docroot              = false;

	var $config_allow_src_above_phpthumb             = true;

	var $config_allow_parameter_file                 = false;

	var $config_allow_parameter_goto                 = false;



	// * Compatability

	var $config_disable_pathinfo_parsing             = false;

	var $config_disable_imagecopyresampled           = false;

	var $config_disable_onlycreateable_passthru      = false;



	var $config_http_user_agent                      = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12) Gecko/20050915 Firefox/1.0.7';



	// END CONFIGURATION OPTIONS





	// public: error messages (read-only)

	var $debugmessages = array();

	var $debugtiming   = array();

	var $fatalerror    = null;





	// private: (should not be modified directly)

	var $thumbnailQuality = 75;

	var $thumbnailFormat  = null;



	var $sourceFilename   = null;

	var $rawImageData     = null;

	var $IMresizedData    = null;

	var $outputImageData  = null;



	var $useRawIMoutput   = false;



	var $gdimg_output     = null;

	var $gdimg_source     = null;



	var $getimagesizeinfo = null;



	var $source_width  = null;

	var $source_height = null;



	var $thumbnailCropX = null;

	var $thumbnailCropY = null;

	var $thumbnailCropW = null;

	var $thumbnailCropH = null;



	var $exif_thumbnail_width  = null;

	var $exif_thumbnail_height = null;

	var $exif_thumbnail_type   = null;

	var $exif_thumbnail_data   = null;

	var $exif_raw_data         = null;



	var $thumbnail_width        = null;

	var $thumbnail_height       = null;

	var $thumbnail_image_width  = null;

	var $thumbnail_image_height = null;



	var $cache_filename         = null;



	var $AlphaCapableFormats = array('png', 'ico', 'gif');

	var $is_alpha = false;



	var $iswindows = null;



	var $phpthumb_version = '1.7.2-200606220757';



	//////////////////////////////////////////////////////////////////////



	// public: constructor

	function phpThumb() {

		$this->DebugTimingMessage('phpThumb() constructor', __FILE__, __LINE__);

		$this->DebugMessage('phpThumb() v'.$this->phpthumb_version, __FILE__, __LINE__);

		$this->config_max_source_pixels = round(max(intval(ini_get('memory_limit')), intval(get_cfg_var('memory_limit'))) * 1048576 * 0.20); // 20% of memory_limit

		$this->iswindows = (bool) (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN');

		$this->config_temp_directory = realpath($this->config_temp_directory ? $this->config_temp_directory : (getenv('TMPDIR') ? getenv('TMPDIR') : getenv('TMP')));

		$this->config_document_root = (@$_SERVER['DOCUMENT_ROOT'] ? $_SERVER['DOCUMENT_ROOT'] : $this->config_document_root);

		$this->config_cache_prefix = 'phpThumb_cache_'.@$_SERVER['SERVER_NAME'];



		$php_sapi_name = strtolower(function_exists('php_sapi_name') ? php_sapi_name() : '');

		if ($php_sapi_name == 'cli') {

			$this->config_allow_src_above_docroot = true;

		}

	}



	// public:

	function setSourceFilename($sourceFilename) {

		$this->rawImageData   = null;

		$this->sourceFilename = $sourceFilename;

		$this->src            = $sourceFilename;

		$this->DebugMessage('setSourceFilename('.$sourceFilename.') set $this->sourceFilename to "'.$this->sourceFilename.'"', __FILE__, __LINE__);

		return true;

	}



	// public:

	function setSourceData($rawImageData, $sourceFilename='') {

		$this->sourceFilename = null;

		$this->rawImageData   = $rawImageData;

		$this->DebugMessage('setSourceData() setting $this->rawImageData ('.strlen($this->rawImageData).' bytes)', __FILE__, __LINE__);

		if ($this->config_cache_source_enabled) {

			$sourceFilename = ($sourceFilename ? $sourceFilename : md5($rawImageData));

			if (!is_dir($this->config_cache_source_directory)) {

				$this->ErrorImage('$this->config_cache_source_directory ('.$this->config_cache_source_directory.') is not a directory');

			} elseif (!@is_writable($this->config_cache_source_directory)) {

				$this->ErrorImage('$this->config_cache_source_directory ('.$this->config_cache_source_directory.') is not writable');

			}

			$this->DebugMessage('setSourceData() attempting to save source image to "'.$this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename).'"', __FILE__, __LINE__);

			if ($fp = @fopen($this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename), 'wb')) {

				fwrite($fp, $rawImageData);

				fclose($fp);

			} elseif (!$this->phpThumbDebug) {

				$this->ErrorImage('setSourceData() failed to write to source cache ('.$this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename).')');

			}

		}

		return true;

	}



	// public:

	function setSourceImageResource($gdimg) {

		$this->gdimg_source = $gdimg;

		return true;

	}



	// public:

	function setParameter($param, $value) {

		if ($param == 'src') {

			$this->setSourceFilename($this->ResolveFilenameToAbsolute($value));

		} elseif (@is_array($this->$param)) {

			if (is_array($value)) {

				foreach ($value as $arraykey => $arrayvalue) {

					array_push($this->$param, $arrayvalue);

				}

			} else {

				array_push($this->$param, $value);

			}

		} else {

			$this->$param = $value;

		}

		return true;

	}



	// public:

	function getParameter($param) {

		//if (property_exists('phpThumb', $param)) {

			return $this->$param;

		//}

		//$this->DebugMessage('setParameter() attempting to get non-existant parameter "'.$param.'"', __FILE__, __LINE__);

		//return false;

	}





	// public:

	function GenerateThumbnail() {



		$this->setOutputFormat();

		$this->ResolveSource();

		$this->SetCacheFilename();

		$this->ExtractEXIFgetImageSize();

		if ($this->useRawIMoutput) {

			$this->DebugMessage('Skipping rest of GenerateThumbnail() because $this->useRawIMoutput', __FILE__, __LINE__);

			return true;

		}

		if (!$this->SourceImageToGD()) {

			$this->DebugMessage('SourceImageToGD() failed', __FILE__, __LINE__);

			return false;

		}

		$this->Rotate();

		$this->CreateGDoutput();



		switch ($this->far) {

			case 'L':

			case 'TL':

			case 'BL':

				$destination_offset_x = 0;

				$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);

				break;

			case 'R':

			case 'TR':

			case 'BR':

				$destination_offset_x =  round($this->thumbnail_width  - $this->thumbnail_image_width);

				$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);

				break;

			case 'T':

			case 'TL':

			case 'TR':

				$destination_offset_x = round(($this->thumbnail_width  - $this->thumbnail_image_width)  / 2);

				$destination_offset_y = 0;

				break;

			case 'B':

			case 'BL':

			case 'BR':

				$destination_offset_x = round(($this->thumbnail_width  - $this->thumbnail_image_width)  / 2);

				$destination_offset_y =  round($this->thumbnail_height - $this->thumbnail_image_height);

				break;

			case 'C':

			default:

				$destination_offset_x = round(($this->thumbnail_width  - $this->thumbnail_image_width)  / 2);

				$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);

		}



//		// copy/resize image to appropriate dimensions

//		$borderThickness = 0;

//		if (!empty($this->fltr)) {

//			foreach ($this->fltr as $key => $value) {

//				if (ereg('^bord\|([0-9]+)', $value, $matches)) {

//					$borderThickness = $matches[1];

//					break;

//				}

//			}

//		}

//		if ($borderThickness > 0) {

//			//$this->DebugMessage('Skipping ImageResizeFunction() because BorderThickness="'.$borderThickness.'"', __FILE__, __LINE__);

//			$this->thumbnail_image_height /= 2;

//		}

		$this->ImageResizeFunction(

			$this->gdimg_output,

			$this->gdimg_source,

			$destination_offset_x,

			$destination_offset_y,

			$this->thumbnailCropX,

			$this->thumbnailCropY,

			$this->thumbnail_image_width,

			$this->thumbnail_image_height,

			$this->thumbnailCropW,

			$this->thumbnailCropH

		);



		$this->DebugMessage('memory_get_usage() after copy-resize = '.(function_exists('memory_get_usage') ? @memory_get_usage() : 'n/a'), __FILE__, __LINE__);

		ImageDestroy($this->gdimg_source);

		$this->DebugMessage('memory_get_usage() after ImageDestroy = '.(function_exists('memory_get_usage') ? @memory_get_usage() : 'n/a'), __FILE__, __LINE__);



		$this->AntiOffsiteLinking();

		$this->ApplyFilters();

		$this->AlphaChannelFlatten();

		$this->MaxFileSize();



		$this->DebugMessage('GenerateThumbnail() completed successfully', __FILE__, __LINE__);

		return true;

	}





	// public:

	function RenderOutput() {

		if (!$this->useRawIMoutput && !is_resource($this->gdimg_output)) {

			$this->DebugMessage('RenderOutput() failed because !is_resource($this->gdimg_output)', __FILE__, __LINE__);

			return false;

		}

		if (!$this->thumbnailFormat) {

			$this->DebugMessage('RenderOutput() failed because $this->thumbnailFormat is empty', __FILE__, __LINE__);

			return false;

		}

		if ($this->useRawIMoutput) {

			$this->DebugMessage('RenderOutput copying $this->IMresizedData ('.strlen($this->IMresizedData).' bytes) to $this->outputImage', __FILE__, __LINE__);

			$this->outputImageData = $this->IMresizedData;

			return true;

		}



		$this->DebugMessage('RenderOutput() attempting Image'.strtoupper(@$this->thumbnailFormat).'($this->gdimg_output)', __FILE__, __LINE__);

		ob_start();

		switch ($this->thumbnailFormat) {

			case 'jpeg':

				ImageJPEG($this->gdimg_output, null, $this->thumbnailQuality);

				$this->outputImageData = ob_get_contents();

				break;



			case 'png':

				ImagePNG($this->gdimg_output);

				$this->outputImageData = ob_get_contents();

				break;



			case 'gif':

				ImageGIF($this->gdimg_output);

				$this->outputImageData = ob_get_contents();

				break;



			case 'bmp':

				$ImageOutFunction = '"builtin BMP output"';

				if (!@include_once(dirname(__FILE__).'/phpthumb.bmp.php')) {

					$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.bmp.php" which is required for BMP format output', __FILE__, __LINE__);

					ob_end_clean();

					return false;

				}

				$phpthumb_bmp = new phpthumb_bmp();

				$this->outputImageData = $phpthumb_bmp->GD2BMPstring($this->gdimg_output);

				unset($phpthumb_bmp);

				break;



			case 'ico':

				$ImageOutFunction = '"builtin ICO output"';

				if (!@include_once(dirname(__FILE__).'/phpthumb.ico.php')) {

					$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.ico.php" which is required for ICO format output', __FILE__, __LINE__);

					ob_end_clean();

					return false;

				}

				$phpthumb_ico = new phpthumb_ico();

				$arrayOfOutputImages = array($this->gdimg_output);

				$this->outputImageData = $phpthumb_ico->GD2ICOstring($arrayOfOutputImages);

				unset($phpthumb_ico);

				break;



			default:

				$this->DebugMessage('RenderToFile failed because $this->thumbnailFormat "'.$this->thumbnailFormat.'" is not valid', __FILE__, __LINE__);

				ob_end_clean();

				return false;

		}

		ob_end_clean();

		if (!$this->outputImageData) {

			$this->DebugMessage('RenderOutput() for "'.$this->thumbnailFormat.'" failed', __FILE__, __LINE__);

			ob_end_clean();

			return false;

		}

		$this->DebugMessage('RenderOutput() completing with $this->outputImageData = '.strlen($this->outputImageData).' bytes', __FILE__, __LINE__);

		return true;

	}



	function RenderToFile($filename) {

		if (eregi('^(f|ht)tps?\://', $filename)) {

			$this->DebugMessage('RenderToFile() failed because $filename ('.$filename.') is a URL', __FILE__, __LINE__);

			return false;

		}

		// render thumbnail to this file only, do not cache, do not output to browser

		//$renderfilename = $this->ResolveFilenameToAbsolute(dirname($filename)).DIRECTORY_SEPARATOR.basename($filename);

		$renderfilename = $filename;

		if (($filename{0} != '/') && ($filename{0} != '\\') && ($filename{1} != ':')) {

			$renderfilename = $this->ResolveFilenameToAbsolute($renderfilename);

		}

		if (!@is_writable(dirname($renderfilename))) {

			$this->DebugMessage('RenderToFile() failed because "'.dirname($renderfilename).'/" is not writable', __FILE__, __LINE__);

			return false;

		}

		if (@is_file($renderfilename) && !@is_writable($renderfilename)) {

			$this->DebugMessage('RenderToFile() failed because "'.$renderfilename.'" is not writable', __FILE__, __LINE__);

			return false;

		}



		if ($this->RenderOutput()) {

			if (file_put_contents($renderfilename, $this->outputImageData)) {

				$this->DebugMessage('RenderToFile('.$renderfilename.') succeeded', __FILE__, __LINE__);

				return true;

			}

			if (!@file_exists($renderfilename)) {

				$this->DebugMessage('RenderOutput ['.$this->thumbnailFormat.'('.$renderfilename.')] did not appear to fail, but the output image does not exist either...', __FILE__, __LINE__);

			}

		} else {

			$this->DebugMessage('RenderOutput ['.$this->thumbnailFormat.'('.$renderfilename.')] failed', __FILE__, __LINE__);

		}

		return false;

	}





	// public:

	function OutputThumbnail() {

		if (!$this->useRawIMoutput && !is_resource($this->gdimg_output)) {

			$this->DebugMessage('OutputThumbnail() failed because !is_resource($this->gdimg_output)', __FILE__, __LINE__);

			return false;

		}

		if (headers_sent()) {

			return $this->ErrorImage('OutputThumbnail() failed - headers already sent');

			exit;

		}



		if ($this->down) {

			$downloadfilename = ereg_replace('[/\\:\*\?"<>|]', '_', $this->down);

			if (phpthumb_functions::version_compare_replacement(phpversion(), '4.1.0', '>=')) {

				$downloadfilename = trim($downloadfilename, '.');

			}

			if ($downloadfilename != $this->down) {

				$this->DebugMessage('renaming output file for "down" from "'.$this->down.'" to "'.$downloadfilename.'"', __FILE__, __LINE__);

			}

			if ($downloadfilename) {

				header('Content-Disposition: attachment; filename="'.$downloadfilename.'"');

			} else {

				$this->DebugMessage('failed to send Content-Disposition header because $downloadfilename is empty', __FILE__, __LINE__);

			}

		}



		if ($this->useRawIMoutput) {



			header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));

			echo $this->IMresizedData;



		} else {



			$this->DebugMessage('ImageInterlace($this->gdimg_output, '.intval($this->config_output_interlace).')', __FILE__, __LINE__);

			ImageInterlace($this->gdimg_output, intval($this->config_output_interlace));

			switch ($this->thumbnailFormat) {

				case 'jpeg':

					header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));

					$ImageOutFunction = 'image'.$this->thumbnailFormat;

					@$ImageOutFunction($this->gdimg_output, '', $this->thumbnailQuality);

					break;



				case 'png':

				case 'gif':

					header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));

					$ImageOutFunction = 'image'.$this->thumbnailFormat;

					@$ImageOutFunction($this->gdimg_output);

					break;



				case 'bmp':

					if (!@include_once(dirname(__FILE__).'/phpthumb.bmp.php')) {

						$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.bmp.php" which is required for BMP format output', __FILE__, __LINE__);

						return false;

					}

					$phpthumb_bmp = new phpthumb_bmp();

					if (is_object($phpthumb_bmp)) {

						$bmp_data = $phpthumb_bmp->GD2BMPstring($this->gdimg_output);

						unset($phpthumb_bmp);

						if (!$bmp_data) {

							$this->DebugMessage('$phpthumb_bmp->GD2BMPstring() failed', __FILE__, __LINE__);

							return false;

						}

						header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));

						echo $bmp_data;

					} else {

						$this->DebugMessage('new phpthumb_bmp() failed', __FILE__, __LINE__);

						return false;

					}

					break;



				case 'ico':

					if (!@include_once(dirname(__FILE__).'/phpthumb.ico.php')) {

						$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.ico.php" which is required for ICO format output', __FILE__, __LINE__);

						return false;

					}

					$phpthumb_ico = new phpthumb_ico();

					if (is_object($phpthumb_ico)) {

						$arrayOfOutputImages = array($this->gdimg_output);

						$ico_data = $phpthumb_ico->GD2ICOstring($arrayOfOutputImages);

						unset($phpthumb_ico);

						if (!$ico_data) {

							$this->DebugMessage('$phpthumb_ico->GD2ICOstring() failed', __FILE__, __LINE__);

							return false;

						}

						header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));

						echo $ico_data;

					} else {

						$this->DebugMessage('new phpthumb_ico() failed', __FILE__, __LINE__);

						return false;

					}

					break;



				default:

					$this->DebugMessage('OutputThumbnail failed because $this->thumbnailFormat "'.$this->thumbnailFormat.'" is not valid', __FILE__, __LINE__);

					return false;

					break;

			}



		}

		return true;

	}





	// public:

	function CleanUpCacheDirectory() {

		if (($this->config_cache_maxage > 0) || ($this->config_cache_maxsize > 0) || ($this->config_cache_maxfiles > 0)) {

			$CacheDirOldFilesAge  = array();

			$CacheDirOldFilesSize = array();

			if ($dirhandle = opendir($this->config_cache_directory)) {

				while ($oldcachefile = readdir($dirhandle)) {

					$fullfilename = $this->config_cache_directory.DIRECTORY_SEPARATOR.$oldcachefile;

					if (eregi('^phpThumb_cache_', $oldcachefile) && file_exists($fullfilename)) {

						$CacheDirOldFilesAge[$oldcachefile] = @fileatime($fullfilename);

						if ($CacheDirOldFilesAge[$oldcachefile] == 0) {

							$CacheDirOldFilesAge[$oldcachefile] = @filemtime($fullfilename);

						}



						$CacheDirOldFilesSize[$oldcachefile] = @filesize($fullfilename);

					}

				}

			}

			asort($CacheDirOldFilesAge);



			if ($this->config_cache_maxfiles > 0) {

				$TotalCachedFiles = count($CacheDirOldFilesAge);

				$DeletedKeys = array();

				foreach ($CacheDirOldFilesAge as $oldcachefile => $filedate) {

					if ($TotalCachedFiles > $this->config_cache_maxfiles) {

						$TotalCachedFiles--;

						if (@unlink($fullfilename)) {

							$DeletedKeys[] = $oldcachefile;

						}

					} else {

						// there are few enough files to keep the rest

						break;

					}

				}

				foreach ($DeletedKeys as $dummy => $oldcachefile) {

					unset($CacheDirOldFilesAge[$oldcachefile]);

					unset($CacheDirOldFilesSize[$oldcachefile]);

				}

			}



			if ($this->config_cache_maxage > 0) {

				$mindate = time() - $this->config_cache_maxage;

				$DeletedKeys = array();

				foreach ($CacheDirOldFilesAge as $oldcachefile => $filedate) {

					if ($filedate > 0) {

						if ($filedate < $mindate) {

							if (@unlink($fullfilename)) {

								$DeletedKeys[] = $oldcachefile;

							}

						} else {

							// the rest of the files are new enough to keep

							break;

						}

					}

				}

				foreach ($DeletedKeys as $dummy => $oldcachefile) {

					unset($CacheDirOldFilesAge[$oldcachefile]);

					unset($CacheDirOldFilesSize[$oldcachefile]);

				}

			}



			if ($this->config_cache_maxsize > 0) {

				$TotalCachedFileSize = array_sum($CacheDirOldFilesSize);

				$DeletedKeys = array();

				foreach ($CacheDirOldFilesAge as $oldcachefile => $filedate) {

					if ($TotalCachedFileSize > $this->config_cache_maxsize) {

						$TotalCachedFileSize -= $CacheDirOldFilesSize[$oldcachefile];

						if (@unlink($fullfilename)) {

							$DeletedKeys[] = $oldcachefile;

						}

					} else {

						// the total filesizes are small enough to keep the rest of the files

						break;

					}

				}

				foreach ($DeletedKeys as $dummy => $oldcachefile) {

					unset($CacheDirOldFilesAge[$oldcachefile]);

					unset($CacheDirOldFilesSize[$oldcachefile]);

				}

			}



		}

		return true;

	}



	//////////////////////////////////////////////////////////////////////



	function ResolveSource() {

		if (is_resource($this->gdimg_source)) {

			$this->DebugMessage('ResolveSource() exiting because is_resource($this->gdimg_source)', __FILE__, __LINE__);

			return true;

		}

		if ($this->rawImageData) {

			$this->sourceFilename = null;

			$this->DebugMessage('ResolveSource() exiting because $this->rawImageData is set', __FILE__, __LINE__);

			return true;

		}

		if ($this->sourceFilename) {

			$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->sourceFilename);

			$this->DebugMessage('$this->sourceFilename set to "'.$this->sourceFilename.'"', __FILE__, __LINE__);

		} else {

			$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->src);

			$this->DebugMessage('$this->sourceFilename set to "'.$this->sourceFilename.'" from $this->src ('.$this->src.')', __FILE__, __LINE__);

		}

		if ($this->iswindows && ((substr($this->sourceFilename, 0, 2) == '//') || (substr($this->sourceFilename, 0, 2) == '\\\\'))) {

			// Windows \\share\filename.ext

		} elseif (eregi('^(f|ht)tps?\://', $this->sourceFilename)) {

			// URL

			if ($this->config_http_user_agent) {

				ini_set('user_agent', $this->config_http_user_agent);

			}

		} elseif (!@file_exists($this->sourceFilename)) {

			return $this->ErrorImage('"'.$this->sourceFilename.'" does not exist');

		} elseif (!@is_file($this->sourceFilename)) {

			return $this->ErrorImage('"'.$this->sourceFilename.'" is not a file');

		}

		return true;

	}



	function setOutputFormat() {

		static $alreadyCalled = false;

		if ($this->thumbnailFormat && $alreadyCalled) {

			return true;

		}

		$alreadyCalled = true;



		$AvailableImageOutputFormats = array();

		$AvailableImageOutputFormats[] = 'text';

		if (@is_readable(dirname(__FILE__).'/phpthumb.ico.php')) {

			$AvailableImageOutputFormats[] = 'ico';

		}

		if (@is_readable(dirname(__FILE__).'/phpthumb.bmp.php')) {

			$AvailableImageOutputFormats[] = 'bmp';

		}



		$this->thumbnailFormat = 'ico';



		// Set default output format based on what image types are available

		if (function_exists('ImageTypes')) {

			$imagetypes = ImageTypes();

			if ($imagetypes & IMG_WBMP) {

				$this->thumbnailFormat         = 'wbmp';

				$AvailableImageOutputFormats[] = 'wbmp';

			}

			if ($imagetypes & IMG_GIF) {

				$this->thumbnailFormat         = 'gif';

				$AvailableImageOutputFormats[] = 'gif';

			}

			if ($imagetypes & IMG_PNG) {

				$this->thumbnailFormat         = 'png';

				$AvailableImageOutputFormats[] = 'png';

			}

			if ($imagetypes & IMG_JPG) {

				$this->thumbnailFormat         = 'jpeg';

				$AvailableImageOutputFormats[] = 'jpeg';

			}

		} else {

			//return $this->ErrorImage('ImageTypes() does not exist - GD support might not be enabled?');

			$this->DebugMessage('ImageTypes() does not exist - GD support might not be enabled?',  __FILE__, __LINE__);

		}

		if ($this->ImageMagickVersion()) {

			$IMformats = array('jpeg', 'png', 'gif', 'bmp', 'ico');

			$this->DebugMessage('Addding ImageMagick formats to $AvailableImageOutputFormats ('.implode(';', $AvailableImageOutputFormats).')', __FILE__, __LINE__);

			foreach ($IMformats as $key => $format) {

				$AvailableImageOutputFormats[] = $format;

			}

		}

		$AvailableImageOutputFormats = array_unique($AvailableImageOutputFormats);

		$this->DebugMessage('$AvailableImageOutputFormats = array('.implode(';', $AvailableImageOutputFormats).')', __FILE__, __LINE__);



		if (strtolower($this->config_output_format) == 'jpg') {

			$this->config_output_format = 'jpeg';

		}

		if (strtolower($this->f) == 'jpg') {

			$this->f = 'jpeg';

		}

		if (phpthumb_functions::CaseInsensitiveInArray($this->config_output_format, $AvailableImageOutputFormats)) {

			// set output format to config default if that format is available

			$this->DebugMessage('$this->thumbnailFormat set to $this->config_output_format "'.strtolower($this->config_output_format).'"', __FILE__, __LINE__);

			$this->thumbnailFormat = strtolower($this->config_output_format);

		} elseif ($this->config_output_format) {

			$this->DebugMessage('$this->thumbnailFormat staying as "'.$this->thumbnailFormat.'" because $this->config_output_format ('.strtolower($this->config_output_format).') is not in $AvailableImageOutputFormats', __FILE__, __LINE__);

		}

		if ($this->f && (phpthumb_functions::CaseInsensitiveInArray($this->f, $AvailableImageOutputFormats))) {

			// override output format if $this->f is set and that format is available

			$this->DebugMessage('$this->thumbnailFormat set to $this->f "'.strtolower($this->f).'"', __FILE__, __LINE__);

			$this->thumbnailFormat = strtolower($this->f);

		} elseif ($this->f) {

			$this->DebugMessage('$this->thumbnailFormat staying as "'.$this->thumbnailFormat.'" because $this->f ('.strtolower($this->f).') is not in $AvailableImageOutputFormats', __FILE__, __LINE__);

		}



		// for JPEG images, quality 1 (worst) to 99 (best)

		// quality < 25 is nasty, with not much size savings - not recommended

		// problems with 100 - invalid JPEG?

		$this->thumbnailQuality = max(1, min(99, ($this->q ? $this->q : 75)));

		$this->DebugMessage('$this->thumbnailQuality set to "'.$this->thumbnailQuality.'"', __FILE__, __LINE__);



		return true;

	}



	function setCacheDirectory() {

		// resolve cache directory to absolute pathname

		$this->DebugMessage('setCacheDirectory() starting with config_cache_directory = "'.$this->config_cache_directory.'"', __FILE__, __LINE__);

		if (substr($this->config_cache_directory, 0, 1) == '.') {

			if (eregi('^(f|ht)tps?\://', $this->src)) {

				if (!$this->config_cache_disable_warning) {

					$this->ErrorImage('$this->config_cache_directory ('.$this->config_cache_directory.') cannot be used for remote images. Adjust "cache_directory" or "cache_disable_warning" in phpThumb.config.php');

				}

			} elseif ($this->src) {

				// resolve relative cache directory to source image

				$this->config_cache_directory = dirname($this->ResolveFilenameToAbsolute($this->src)).DIRECTORY_SEPARATOR.$this->config_cache_directory;

			} else {

				// $this->new is probably set

			}

		}

		if (substr($this->config_cache_directory, -1) == '/') {

			$this->config_cache_directory = substr($this->config_cache_directory, 0, -1);

		}

		if ($this->iswindows) {

			$this->config_cache_directory = str_replace('/', DIRECTORY_SEPARATOR, $this->config_cache_directory);

		}

		if ($this->config_cache_directory) {

			$real_cache_path = realpath($this->config_cache_directory);

			if (!$real_cache_path) {

				$this->DebugMessage('realpath($this->config_cache_directory) failed for "'.$this->config_cache_directory.'"', __FILE__, __LINE__);

				if (!is_dir($this->config_cache_directory)) {

					$this->DebugMessage('!is_dir('.$this->config_cache_directory.')', __FILE__, __LINE__);

				}

			}

			if ($real_cache_path) {

				$this->DebugMessage('setting config_cache_directory to realpath('.$this->config_cache_directory.') = "'.$real_cache_path.'"', __FILE__, __LINE__);

				$this->config_cache_directory = $real_cache_path;

			}

		}

		if (!is_dir($this->config_cache_directory)) {

			if (!$this->config_cache_disable_warning) {

				$this->ErrorImage('$this->config_cache_directory ('.$this->config_cache_directory.') does not exist. Adjust "cache_directory" or "cache_disable_warning" in phpThumb.config.php');

			}

			$this->DebugMessage('$this->config_cache_directory ('.$this->config_cache_directory.') is not a directory', __FILE__, __LINE__);

			$this->config_cache_directory = null;

		} elseif (!@is_writable($this->config_cache_directory)) {

			$this->DebugMessage('$this->config_cache_directory is not writable ('.$this->config_cache_directory.')', __FILE__, __LINE__);

		}

		return true;

	}





	function ResolveFilenameToAbsolute($filename) {

		//if (eregi('^(f|ht)tps?\://', $filename)) {

		if (eregi('^[a-z0-9]+\:/{1,2}', $filename)) {

			// eg: http://host/path/file.jpg (HTTP URL)

			// eg: ftp://host/path/file.jpg  (FTP URL)

			// eg: data1:/path/file.jpg      (Netware path)



			//$AbsoluteFilename = $filename;

			return $filename;



		} elseif ($this->iswindows && ($filename{1} == ':')) {



			// absolute pathname (Windows)

			$AbsoluteFilename = $filename;



		} elseif ($this->iswindows && ((substr($filename, 0, 2) == '//') || (substr($filename, 0, 2) == '\\\\'))) {



			// absolute pathname (Windows)

			$AbsoluteFilename = $filename;



		} elseif ($filename{0} == '/') {



			if (@is_readable($filename) && !@is_readable($this->config_document_root.$filename)) {



				// absolute filename (*nix)

				$AbsoluteFilename = $filename;



			} elseif ($filename{1} == '~') {



				// /~user/path

				if ($ApacheLookupURIarray = phpthumb_functions::ApacheLookupURIarray($filename)) {

					$AbsoluteFilename = $ApacheLookupURIarray['filename'];

				} else {

					$AbsoluteFilename = realpath($filename);

					if (@is_readable($AbsoluteFilename)) {

						$this->DebugMessage('phpthumb_functions::ApacheLookupURIarray() failed for "'.$filename.'", but the correct filename ('.$AbsoluteFilename.') seems to have been resolved with realpath($filename)', __FILE__, __LINE__);

					} else {

						return $this->ErrorImage('phpthumb_functions::ApacheLookupURIarray() failed for "'.$filename.'". This has been known to fail on Apache2 - try using the absolute filename for the source image (ex: "/home/user/httpdocs/image.jpg" instead of "/~user/image.jpg")');

					}

				}



			} else {



				// relative filename (any OS)

				if (ereg('^'.preg_quote($this->config_document_root), $filename)) {

					$AbsoluteFilename = $filename;

					$this->DebugMessage('ResolveFilenameToAbsolute() NOT prepending $this->config_document_root ('.$this->config_document_root.') to $filename ('.$filename.') resulting in ($AbsoluteFilename = "'.$AbsoluteFilename.'")', __FILE__, __LINE__);

				} else {

					$AbsoluteFilename = $this->config_document_root.$filename;

					$this->DebugMessage('ResolveFilenameToAbsolute() prepending $this->config_document_root ('.$this->config_document_root.') to $filename ('.$filename.') resulting in ($AbsoluteFilename = "'.$AbsoluteFilename.'")', __FILE__, __LINE__);

				}



			}



		} else {



			// relative to current directory (any OS)

			$AbsoluteFilename = $this->config_document_root.dirname(@$_SERVER['PHP_SELF']).DIRECTORY_SEPARATOR.$filename;

			//if (!@file_exists($AbsoluteFilename) && @file_exists(realpath($this->DotPadRelativeDirectoryPath($filename)))) {

			//	$AbsoluteFilename = realpath($this->DotPadRelativeDirectoryPath($filename));

			//}



			if (substr(dirname(@$_SERVER['PHP_SELF']), 0, 2) == '/~') {

				if ($ApacheLookupURIarray = phpthumb_functions::ApacheLookupURIarray(dirname(@$_SERVER['PHP_SELF']))) {

					$AbsoluteFilename = $ApacheLookupURIarray['filename'].DIRECTORY_SEPARATOR.$filename;

				} else {

					$AbsoluteFilename = realpath('.').DIRECTORY_SEPARATOR.$filename;

					if (@is_readable($AbsoluteFilename)) {

						$this->DebugMessage('phpthumb_functions::ApacheLookupURIarray() failed for "'.dirname(@$_SERVER['PHP_SELF']).'", but the correct filename ('.$AbsoluteFilename.') seems to have been resolved with realpath(.)/$filename', __FILE__, __LINE__);

					} else {

						return $this->ErrorImage('phpthumb_functions::ApacheLookupURIarray() failed for "'.dirname(@$_SERVER['PHP_SELF']).'". This has been known to fail on Apache2 - try using the absolute filename for the source image');

					}

				}

			}



		}

		if (is_link($AbsoluteFilename)) {

			$this->DebugMessage('is_link()==true, changing "'.$AbsoluteFilename.'" to "'.readlink($AbsoluteFilename).'"', __FILE__, __LINE__);

			$AbsoluteFilename = readlink($AbsoluteFilename);

		}

		if (realpath($AbsoluteFilename)) {

			$AbsoluteFilename = realpath($AbsoluteFilename);

		}

		if ($this->iswindows) {

			$AbsoluteFilename = eregi_replace('^'.preg_quote(realpath($this->config_document_root)), realpath($this->config_document_root), $AbsoluteFilename);

			$AbsoluteFilename = str_replace(DIRECTORY_SEPARATOR, '/', $AbsoluteFilename);

		}

		if (!$this->config_allow_src_above_docroot && !ereg('^'.preg_quote(str_replace(DIRECTORY_SEPARATOR, '/', realpath($this->config_document_root))), $AbsoluteFilename)) {

			$this->DebugMessage('!$this->config_allow_src_above_docroot therefore setting "'.$AbsoluteFilename.'" (outside "'.realpath($this->config_document_root).'") to null', __FILE__, __LINE__);

			return false;

		}

		if (!$this->config_allow_src_above_phpthumb && !ereg('^'.preg_quote(str_replace(DIRECTORY_SEPARATOR, '/', dirname(__FILE__))), $AbsoluteFilename)) {

			$this->DebugMessage('!$this->config_allow_src_above_phpthumb therefore setting "'.$AbsoluteFilename.'" (outside "'.dirname(__FILE__).'") to null', __FILE__, __LINE__);

			return false;

		}

		return $AbsoluteFilename;

	}



	function ImageMagickWhichConvert() {

		static $WhichConvert = null;

		if (is_null($WhichConvert)) {

			if ($this->iswindows) {

				$WhichConvert = false;

			} else {

				$WhichConvert = trim(phpthumb_functions::SafeExec('which convert'));

			}

		}

		return $WhichConvert;

	}



	function ImageMagickCommandlineBase() {

		static $commandline = null;

		if (is_null($commandline)) {

			$commandline = (!is_null($this->config_imagemagick_path) ? $this->config_imagemagick_path : '');



			if ($this->config_imagemagick_path && ($this->config_imagemagick_path != realpath($this->config_imagemagick_path))) {

				if (@is_executable(realpath($this->config_imagemagick_path))) {

					$this->DebugMessage('Changing $this->config_imagemagick_path ('.$this->config_imagemagick_path.') to realpath($this->config_imagemagick_path) ('.realpath($this->config_imagemagick_path).')', __FILE__, __LINE__);

					$this->config_imagemagick_path = realpath($this->config_imagemagick_path);

				} else {

					$this->DebugMessage('Leaving $this->config_imagemagick_path as ('.$this->config_imagemagick_path.') because !is_execuatable(realpath($this->config_imagemagick_path)) ('.realpath($this->config_imagemagick_path).')', __FILE__, __LINE__);

				}

			}

			$this->DebugMessage('  file_exists('.$this->config_imagemagick_path.') = '.intval(  @file_exists($this->config_imagemagick_path)), __FILE__, __LINE__);

			$this->DebugMessage('is_executable('.$this->config_imagemagick_path.') = '.intval(@is_executable($this->config_imagemagick_path)), __FILE__, __LINE__);

			if (@file_exists($this->config_imagemagick_path)) {

				$this->DebugMessage('using ImageMagick path from $this->config_imagemagick_path ('.$this->config_imagemagick_path.')', __FILE__, __LINE__);

				if ($this->iswindows) {

					$commandline = substr($this->config_imagemagick_path, 0, 2).' && cd "'.str_replace('/', DIRECTORY_SEPARATOR, substr(dirname($this->config_imagemagick_path), 2)).'" && '.basename($this->config_imagemagick_path);

				} else {

					$commandline = '"'.$this->config_imagemagick_path.'"';

				}

				return $commandline;

			}



			$which_convert = $this->ImageMagickWhichConvert();

			$IMversion     = $this->ImageMagickVersion();



			if ($which_convert && ($which_convert{0} == '/') && @file_exists($which_convert)) {



				// `which convert` *should* return the path if "convert" exist, or nothing if it doesn't

				// other things *may* get returned, like "sh: convert: not found" or "no convert in /usr/local/bin /usr/sbin /usr/bin /usr/ccs/bin"

				// so only do this if the value returned exists as a file

				$this->DebugMessage('using ImageMagick path from `which convert` ('.$which_convert.')', __FILE__, __LINE__);

				$commandline = 'convert';



			} elseif ($IMversion) {



				$this->DebugMessage('setting ImageMagick path to $this->config_imagemagick_path ('.$this->config_imagemagick_path.') ['.$IMversion.']', __FILE__, __LINE__);

				$commandline = $this->config_imagemagick_path;



			} else {



				$this->DebugMessage('ImageMagickThumbnailToGD() aborting because cannot find convert in $this->config_imagemagick_path ('.$this->config_imagemagick_path.'), and `which convert` returned ('.$which_convert.')', __FILE__, __LINE__);

				$commandline = '';



			}

		}

		return $commandline;

	}



	function ImageMagickVersion($returnRAW=false) {

		static $versionstring = null;

		if (is_null($versionstring)) {

			$commandline = $this->ImageMagickCommandlineBase();

			$commandline = (!is_null($commandline) ? $commandline : '');



			$versionstring = array(0=>'', 1=>'');

			if ($commandline) {

				$commandline .= ' -version';

				$this->DebugMessage('ImageMagick version checked with "'.$commandline.'"', __FILE__, __LINE__);

				$versionstring[1] = trim(phpthumb_functions::SafeExec($commandline));

				if (eregi('^Version: (.*) (http|file)\:', $versionstring[1], $matches)) {

					$versionstring[0] = $matches[1];

				} else {

					$versionstring[0] = false;

					$this->DebugMessage('ImageMagick did not return recognized version string ('.$versionstring[1].')', __FILE__, __LINE__);

				}

			}

		}

		return @$versionstring[intval($returnRAW)];

	}



	function ImageMagickSwitchAvailable($switchname) {

		static $IMoptions = null;

		if (is_null($IMoptions)) {

			$IMoptions = array();

			$commandline = $this->ImageMagickCommandlineBase();

			if (!is_null($commandline)) {

				$commandline .= ' -help';

				$IMhelp_lines = explode("\n", phpthumb_functions::SafeExec($commandline));

				foreach ($IMhelp_lines as $line) {

					if (ereg('^[\+\-]([a-z\-]+) ', trim($line), $matches)) {

						$IMoptions[$matches[1]] = true;

					}

				}

			}

		}

		if (is_array($switchname)) {

			$allOK = true;

			foreach ($switchname as $key => $value) {

				if (!isset($IMoptions[$value])) {

					$allOK = false;

					break;

				}

			}

			$this->DebugMessage('ImageMagickSwitchAvailable('.implode(';', $switchname).') = '.intval($allOK).'', __FILE__, __LINE__);

		} else {

			$allOK = isset($IMoptions[$switchname]);

			$this->DebugMessage('ImageMagickSwitchAvailable('.$switchname.') = '.intval($allOK).'', __FILE__, __LINE__);

		}

		return $allOK;

	}



	function ImageMagickThumbnailToGD() {

		// http://www.imagemagick.org/script/command-line-options.php



		$this->useRawIMoutput = true;

		if (phpthumb_functions::gd_version()) {

			//$UnAllowedParameters = array('sx', 'sy', 'sw', 'sh', 'xto', 'ra', 'ar', 'bg', 'bc', 'fltr');

			$UnAllowedParameters = array('xto', 'ra', 'ar', 'bg', 'bc', 'fltr');

			foreach ($UnAllowedParameters as $dummy => $parameter) {

				if ($this->$parameter) {

					$this->DebugMessage('$this->useRawIMoutput=false because "'.$parameter.'" is set', __FILE__, __LINE__);

					$this->useRawIMoutput = false;

					break;

				}

			}

		}

		$outputFormat = $this->thumbnailFormat;

		if (phpthumb_functions::gd_version()) {

			if ($this->useRawIMoutput) {

				switch ($this->thumbnailFormat) {

					case 'gif':

						$ImageCreateFunction = 'ImageCreateFromGIF';

						$this->is_alpha = true;

						break;

					case 'png':

						$ImageCreateFunction = 'ImageCreateFromPNG';

						$this->is_alpha = true;

						break;

					case 'jpg':

					case 'jpeg':

						$ImageCreateFunction = 'ImageCreateFromJPEG';

						break;

					default:

						$outputFormat = 'png';

						$ImageCreateFunction = 'ImageCreateFromPNG';

						$this->is_alpha = true;

						$this->useRawIMoutput = false;

						break;

				}

				if (!function_exists(@$ImageCreateFunction)) {

					// ImageMagickThumbnailToGD() depends on ImageCreateFromPNG/ImageCreateFromGIF

					//$this->DebugMessage('ImageMagickThumbnailToGD() aborting because '.@$ImageCreateFunction.'() is not available', __FILE__, __LINE__);

					$this->useRawIMoutput = true;

					//return false;

				}

			} else {

				$outputFormat = 'png';

				$ImageCreateFunction = 'ImageCreateFromPNG';

				$this->is_alpha = true;

				$this->useRawIMoutput = false;

			}

		}



		// http://freealter.org/doc_distrib/ImageMagick-5.1.1/www/convert.html

		if (!$this->sourceFilename) {

			$this->DebugMessage('ImageMagickThumbnailToGD() aborting because $this->sourceFilename is empty', __FILE__, __LINE__);

			$this->useRawIMoutput = false;

			return false;

		}

		if (ini_get('safe_mode')) {

			$this->DebugMessage('ImageMagickThumbnailToGD() aborting because safe_mode is enabled', __FILE__, __LINE__);

			$this->useRawIMoutput = false;

			return false;

		}



		$commandline = $this->ImageMagickCommandlineBase();

		if ($commandline) {

			if ($IMtempfilename = $this->phpThumb_tempnam()) {



				if (!eregi('('.implode('|', $this->AlphaCapableFormats).')', $outputFormat)) {

					// not a transparency-capable format

					$commandline .= ' -background "#'.($this->bg ? $this->bg : 'FFFFFF').'"';

					$commandline .= ' -flatten';

				}

				$IMtempfilename = realpath($IMtempfilename);

				if ($getimagesize = @GetImageSize($this->sourceFilename)) {

					$this->DebugMessage('GetImageSize('.$this->sourceFilename.') returned [w='.$getimagesize[0].';h='.$getimagesize[1].';f='.$getimagesize[2].']', __FILE__, __LINE__);

					$this->source_width  = $getimagesize[0];

					$this->source_height = $getimagesize[1];

					$this->DebugMessage('source dimensions set to '.$this->source_width.'x'.$this->source_height, __FILE__, __LINE__);

					$this->SetOrientationDependantWidthHeight();



					$commandline .= ' -coalesce'; // may be needed for animated GIFs

					if ($this->source_width || $this->source_height) {

						if ($this->zc) {



							$borderThickness = 0;

							if (!empty($this->fltr)) {

								foreach ($this->fltr as $key => $value) {

									if (ereg('^bord\|([0-9]+)', $value, $matches)) {

										$borderThickness = $matches[1];

										break;

									}

								}

							}

							$wAll = intval(max($this->w, $this->wp, $this->wl, $this->ws)) - (2 * $borderThickness);

							$hAll = intval(max($this->h, $this->hp, $this->hl, $this->hs)) - (2 * $borderThickness);

							$imAR = $this->source_width / $this->source_height;

							//$zcAR = (($wAll && $hAll) ? $wAll / $hAll : $imAR);

							$zcAR = (($wAll && $hAll) ? $wAll / $hAll : 1);

//echo '<pre>';

//var_dump($wAll);

//var_dump($hAll);

//var_dump($zcAR);

							//if (($wAll > $borderThickness) && ($wAll > $borderThickness)) {

							//	$zcAR = ($wAll - (2 * $borderThickness)) / ($hAll - (2 * $borderThickness));

							//}

//echo ($wAll - (2 * $borderThickness))."\n";

//echo ($hAll - (2 * $borderThickness))."\n";

//var_dump($zcAR);

							$side  = phpthumb_functions::nonempty_min($this->source_width, $this->source_height, max($wAll, $hAll));

							$sideX = phpthumb_functions::nonempty_min($this->source_width,                       $wAll, round($hAll * $zcAR));

							$sideY = phpthumb_functions::nonempty_min(                     $this->source_height, $hAll, round($wAll / $zcAR));



							//if ($zcAR > 1) {  // landscape

								$thumbnailH = round(max($sideY, ($sideY * $zcAR) / $imAR));

//echo '<pre>';

//var_dump($sideY);

//var_dump($zcAR);

//var_dump($imAR);

//var_dump($thumbnailH);



								$commandline .= ' -thumbnail x'.$thumbnailH;

							//} else {          // portrait or square

							//	$thumbnailH = max($sideY, ($sideY * $zcAR) / $imAR);

							//	$commandline .= ' -thumbnail '.$sideX.'x'.round($sideX / $zcAR);

							//}

//echo '<pre>';

//var_dump($this->w);

//var_dump($this->wp);

//var_dump($this->wl);

//var_dump($this->ws);

//var_dump($wAll);

//var_dump($side);

//var_dump($sideX);

//var_dump($sideY);

//var_dump($zcAR);

//var_dump($thumbnailH);

//print_r($getimagesize);

//echo '</pre>';



							$commandline .= ' -gravity center';



							if (($wAll > 0) && ($hAll > 0)) {

								$commandline .= ' -crop '.$wAll.'x'.$hAll.'+0+0';

							} else {

								$commandline .= ' -crop '.$side.'x'.$side.'+0+0';

							}

							$commandline .= ' +repage';



						} elseif ($this->sw || $this->sh || $this->sx || $this->sy) {



							$commandline .= ' -crop '.($this->sw ? $this->sw : $this->source_width).'x'.($this->sh ? $this->sh : $this->source_height).'+'.$this->sx.'+'.$this->sy;

							// this is broken for aoe=1, but unsure how to fix. Send advice to info@silisoftware.com

							if ($this->w || $this->h) {

								$commandline .= ' -repage';

								$commandline .= ' -thumbnail '.$this->w.'x'.$this->h;

							}



						} else {



							if ($this->iar && (intval($this->w) > 0) && (intval($this->h) > 0)) {

								$commandline .= ' -thumbnail '.$this->w.'x'.$this->h.'!';

							} else {

//echo '<pre>';

//print_r($getimagesize);

//echo '</pre>';

//echo $this->w.'x'.$this->h.'<br>';

								$this->w = ((($this->aoe || $this->far) && $this->w) ? $this->w : ($this->w ? phpthumb_functions::nonempty_min($this->w, $getimagesize[0]) : ''));

								$this->h = ((($this->aoe || $this->far) && $this->h) ? $this->h : ($this->h ? phpthumb_functions::nonempty_min($this->h, $getimagesize[1]) : ''));

//echo $this->w.'x'.$this->h.'<br>';

								if ($this->w || $this->h) {

									$commandline .= ' -thumbnail '.$this->w.'x'.$this->h;

								}

							}

						}

					}



				} else {



					$this->DebugMessage('GetImageSize('.$this->sourceFilename.') failed', __FILE__, __LINE__);

					if ($this->w || $this->h) {

						$commandline .= ' -thumbnail '.$this->w.'x'.$this->h;

						if ($this->iar && (intval($this->w) > 0) && (intval($this->h) > 0)) {

							$commandline .= '!';

						}

					}



				}

				foreach ($this->fltr as $filterkey => $filtercommand) {

					@list($command, $parameter) = explode('|', $filtercommand, 2);

					switch ($command) {

						case 'brit':

							if ($this->ImageMagickSwitchAvailable('modulate')) {

								$commandline .= ' -modulate '.(100 + $parameter).',100,100';

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'cont':

							if ($this->ImageMagickSwitchAvailable('contrast')) {

								$contDiv10 = round($parameter / 10);

								if ($contDiv10 > 0) {

									for ($i = 0; $i < $contDiv10; $i++) {

										$commandline .= ' -contrast'; // increase contrast by 10%

									}

								} elseif ($contDiv10 < 0) {

									for ($i = $contDiv10; $i < 0; $i++) {

										$commandline .= ' +contrast'; // decrease contrast by 10%

									}

								} else {

									// do nothing

								}

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'ds':

							if ($this->ImageMagickSwitchAvailable(array('colorspace', 'modulate'))) {

								if ($parameter == 100) {

									$commandline .= ' -colorspace GRAY -modulate 100,0,100';

								} else {

									$commandline .= ' -modulate 100,'.(100 - $parameter).',100';

								}

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'sat':

							if ($this->ImageMagickSwitchAvailable(array('colorspace', 'modulate'))) {

								if ($parameter == -100) {

									$commandline .= ' -colorspace GRAY -modulate 100,0,100';

								} else {

									$commandline .= ' -modulate 100,'.(100 + $parameter).',100';

								}

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'gray':

							if ($this->ImageMagickSwitchAvailable(array('colorspace', 'modulate'))) {

								$commandline .= ' -colorspace GRAY -modulate 100,0,100';

								//$commandline .= ' -colorspace GRAY';

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'clr':

							if ($this->ImageMagickSwitchAvailable(array('fill', 'colorize'))) {

								@list($amount, $color) = explode('|', $parameter);

								$commandline .= ' -fill #'.$color.' -colorize '.$amount;

							}

							break;



						case 'sep':

							if ($this->ImageMagickSwitchAvailable('sepia-tone')) {

								@list($amount, $color) = explode('|', $parameter);

								$amount = ($amount ? $amount : 80);

								if (!$color) {

									$commandline .= ' -sepia-tone '.$amount.'%';

									unset($this->fltr[$filterkey]);

								}

							}

							break;



						case 'gam':

							if ($this->ImageMagickSwitchAvailable('gamma')) {

								$commandline .= ' -gamma '.$parameter;

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'neg':

							if ($this->ImageMagickSwitchAvailable('negate')) {

								$commandline .= ' -paint 2';

								unset($this->fltr[$filterkey]);

							}

							break;

						case 'cpen':

							if ($this->ImageMagickSwitchAvailable('colpen')) {

								$commandline .= ' -colpen';

								unset($this->fltr[$filterkey]);

							}

							break;	



						case 'th':

							if ($this->ImageMagickSwitchAvailable(array('threshold', 'dither', 'monochrome'))) {

								$commandline .= ' -threshold '.round($parameter / 2.55).'% -dither -monochrome';

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'rcd':

							if ($this->ImageMagickSwitchAvailable(array('colors', 'dither'))) {

								@list($colors, $dither) = explode('|', $parameter);

								$colors = ($colors                ?  (int) $colors : 256);

								$dither  = ((strlen($dither) > 0) ? (bool) $dither : true);

								$commandline .= ' -colors '.max($colors, 8); // ImageMagick will otherwise fail with "cannot quantize to fewer than 8 colors"

								$commandline .= ($dither ? ' -dither' : ' +dither');

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'flip':

							if ($this->ImageMagickSwitchAvailable(array('flip', 'flop'))) {

								if (strpos(strtolower($parameter), 'x') !== false) {

									$commandline .= ' -flop';

								}

								if (strpos(strtolower($parameter), 'y') !== false) {

									$commandline .= ' -flip';

								}

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'edge':

							if ($this->ImageMagickSwitchAvailable('edge')) {

								$parameter = ($parameter ? $parameter : 2);

								$commandline .= ' -edge '.($parameter ? $parameter : 1);

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'emb':

							if ($this->ImageMagickSwitchAvailable(array('emboss', 'negate'))) {

								$parameter = ($parameter ? $parameter : 2);

								$commandline .= ' -emboss '.$parameter;

								if ($parameter < 2) {

									$commandline .= ' -negate'; // ImageMagick negates the image for some reason with '-emboss 1';

								}

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'lvl':

							if ($this->ImageMagickSwitchAvailable(array('normalize', 'level'))) {

								@list($band, $min, $max) = explode('|', $parameter);

								$band = ($band              ? $band : '*');

								$min  = ((strlen($min) > 0) ? $min  : '-1');

								$max  = ((strlen($max) > 0) ? $max  : '-1');

								if ($band == '*') {

									if (($min == -1) && ($max == -1)) {

										$commandline .= ' -normalize';

										unset($this->fltr[$filterkey]);

									} elseif (($min == -1) || ($max == -1)) {

										//

									} else {

										$commandline .= ' -level '.$min.'%,'.$max.'%';

										unset($this->fltr[$filterkey]);

									}

								}

							}

							break;



						case 'blur':

							if ($this->ImageMagickSwitchAvailable('blur')) {

								@list($radius) = explode('|', $parameter);

								$radius = ($radius ? $radius : 1);

								$commandline .= ' -blur '.$radius;

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'gblr':

							if ($this->ImageMagickSwitchAvailable('gaussian')) {

								@list($radius) = explode('|', $parameter);

								$radius = ($radius ? $radius : 1);

								$commandline .= ' -gaussian '.$radius;

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'usm':

							if ($this->ImageMagickSwitchAvailable('unsharp')) {

								@list($amount, $radius, $threshold) = explode('|', $parameter);

								$amount    = ($amount            ? $amount    : 80);

								$radius    = ($radius            ? $radius    : 0.5);

								$threshold = (strlen($threshold) ? $threshold : 3);

								$commandline .= ' -unsharp '.number_format(($radius * 2) - 1, 2).'x1+'.number_format($amount / 100, 2).'+'.number_format($threshold / 100, 2);

								unset($this->fltr[$filterkey]);

							}

							break;



						case 'bord':

							if ($this->ImageMagickSwitchAvailable(array('border', 'bordercolor', 'thumbnail', 'crop'))) {

								if (!$this->zc) {

									@list($width, $rX, $rY, $color) = explode('|', $parameter);

									if ($width && !$rX && !$rY) {

										if (!phpthumb_functions::IsHexColor($color)) {

											$color = ($this->bc ? $this->bc : '000000');

										}

										$commandline .= ' -border '.$width.' -bordercolor "#'.$color.'"';

										if (ereg(' \-crop ([0-9]+)x([0-9]+)\+0\+0 ', $commandline, $matches)) {

											$commandline = str_replace(' -crop '.$matches[1].'x'.$matches[2].'+0+0 ', ' -crop '.($matches[1] - (2 * $width)).'x'.($matches[2] - (2 * $width)).'+0+0 ', $commandline);

										} elseif (ereg(' \-thumbnail ([0-9]+)x([0-9]+) ', $commandline, $matches)) {

											$commandline = str_replace(' -thumbnail '.$matches[1].'x'.$matches[2].' ', ' -thumbnail '.($matches[1] - (2 * $width)).'x'.($matches[2] - (2 * $width)).' ', $commandline);

										}

										unset($this->fltr[$filterkey]);

									}

								}

							}

							break;



						case 'crop':

							break;



						case 'sblr':

							break;



						case 'mean':

							break;



						case 'smth':

							break;



						case 'bvl':

							break;



						case 'wmi':

							break;



						case 'wmt':

							break;



						case 'over':

							break;



						case 'wb':

							break;



						case 'hist':

							break;



						case 'fram':

							break;



						case 'drop':

							break;



						case 'mask':

							break;



						case 'elip':

							break;



						case 'ric':

							break;



					}

					if (!isset($this->fltr[$filterkey])) {

						$this->DebugMessage('Processed $this->fltr['.$filterkey.'] ('.$filtercommand.') with ImageMagick', __FILE__, __LINE__);

					} else {

						$this->DebugMessage('Skipping $this->fltr['.$filterkey.'] ('.$filtercommand.') with ImageMagick', __FILE__, __LINE__);

					}

				}

				$this->DebugMessage('Remaining $this->fltr after ImageMagick: ('.$this->phpThumbDebugVarDump($this->fltr).')', __FILE__, __LINE__);



				if (eregi('jpe?g', $outputFormat) && $this->q) {

					if ($this->ImageMagickSwitchAvailable(array('quality', 'interlace'))) {

						$commandline .= ' -quality '.$this->thumbnailQuality;

						if ($this->config_output_interlace) {

							// causes weird things with animated GIF... leave for JPEG only

							$commandline .= ' -interlace line '; // Use Line or Plane to create an interlaced PNG or GIF or progressive JPEG image

						}

					}

				}

				$commandline .= ' "'.str_replace('/', DIRECTORY_SEPARATOR, $this->sourceFilename).(($outputFormat == 'gif') ? '' : '[0]').'"'; // [0] means first frame of (GIF) animation, can be ignored

				$commandline .= ' '.$outputFormat.':"'.$IMtempfilename.'"';

				$commandline .= ' 2>&1';

				$this->DebugMessage('ImageMagick called as ('.$commandline.')', __FILE__, __LINE__);

				$IMresult = phpthumb_functions::SafeExec($commandline);

//echo '<pre>';

//var_dump($commandline);

////var_dump($ImageCreateFunction);

////var_dump($IMresult);

//echo '</pre>';

//exit;

				clearstatcache();

				if (!@file_exists($IMtempfilename) || !@filesize($IMtempfilename)) {



					$this->DebugMessage('ImageMagick failed with message ('.$IMresult.')', __FILE__, __LINE__);

					if ($this->iswindows && !$IMresult) {

						$this->DebugMessage('Check to make sure that PHP has read+write permissions to "'.dirname($IMtempfilename).'"', __FILE__, __LINE__);

					}



				} else {



					$this->IMresizedData = file_get_contents($IMtempfilename);

					if (function_exists(@$ImageCreateFunction) && ($this->gdimg_source = @$ImageCreateFunction($IMtempfilename))) {

//header('Content-Type: image/png');

//ImageSaveAlpha($this->gdimg_source, true);

//ImagePNG($this->gdimg_source);

//exit;

						$this->source_width  = ImageSX($this->gdimg_source);

						$this->source_height = ImageSY($this->gdimg_source);

						$this->DebugMessage('ImageMagickThumbnailToGD::'.$ImageCreateFunction.'() succeeded, $this->gdimg_source is now ('.$this->source_width.'x'.$this->source_height.')', __FILE__, __LINE__);

						$this->DebugMessage('ImageMagickThumbnailToGD() returning $IMresizedData ('.strlen($this->IMresizedData).' bytes)', __FILE__, __LINE__);

					} else {

						$this->useRawIMoutput = true;

						$this->DebugMessage('$this->useRawIMoutput set to TRUE because '.@$ImageCreateFunction.'('.$IMtempfilename.') failed', __FILE__, __LINE__);

					}

					@unlink($IMtempfilename);

					return true;



				}

				unlink($IMtempfilename);



			} else {

				$this->DebugMessage('ImageMagickThumbnailToGD() aborting, phpThumb_tempnam() failed', __FILE__, __LINE__);

			}

		} else {

			$this->DebugMessage('ImageMagickThumbnailToGD() aborting because ImageMagickCommandlineBase() failed', __FILE__, __LINE__);

		}

		$this->useRawIMoutput = false;

		return false;

	}





	function Rotate() {

		if ($this->ra || $this->ar) {

			if (!function_exists('ImageRotate')) {

				$this->DebugMessage('!function_exists(ImageRotate)', __FILE__, __LINE__);

				return false;

			}

			if (!include_once(dirname(__FILE__).'/phpthumb.filters.php')) {

				$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.filters.php" which is required for applying filters ('.implode(';', $this->fltr).')', __FILE__, __LINE__);

				return false;

			}



			$this->config_background_hexcolor = ($this->bg ? $this->bg : $this->config_background_hexcolor);

			if (!phpthumb_functions::IsHexColor($this->config_background_hexcolor)) {

				return $this->ErrorImage('Invalid hex color string "'.$this->config_background_hexcolor.'" for parameter "bg"');

			}



			$rotate_angle = 0;

			if ($this->ra) {



				$rotate_angle = floatval($this->ra);



			} else {



				if ($this->ar == 'x') {

					if (phpthumb_functions::version_compare_replacement(phpversion(), '4.2.0', '>=')) {

						if ($this->sourceFilename) {

							if (function_exists('exif_read_data')) {

								if ($exif_data = @exif_read_data($this->sourceFilename, 'IFD0')) {

									// http://sylvana.net/jpegcrop/exif_orientation.html

									switch (@$exif_data['Orientation']) {

										case 1:

											$rotate_angle = 0;

											break;

										case 3:

											$rotate_angle = 180;

											break;

										case 6:

											$rotate_angle = 270;

											break;

										case 8:

											$rotate_angle = 90;

											break;



										default:

											$this->DebugMessage('EXIF auto-rotate failed because unknown $exif_data[Orientation] "'.@$exif_data['Orientation'].'"', __FILE__, __LINE__);

											return false;

											break;

									}

									$this->DebugMessage('EXIF auto-rotate set to '.$rotate_angle.' degrees ($exif_data[Orientation] = "'.@$exif_data['Orientation'].'")', __FILE__, __LINE__);

								} else {

									$this->DebugMessage('failed: exif_read_data('.$this->sourceFilename.')', __FILE__, __LINE__);

									return false;

								}

							} else {

								$this->DebugMessage('!function_exists(exif_read_data)', __FILE__, __LINE__);

								return false;

							}

						} else {

							$this->DebugMessage('Cannot auto-rotate from EXIF data because $this->sourceFilename is empty', __FILE__, __LINE__);

							return false;

						}

					} else {

						$this->DebugMessage('Cannot auto-rotate from EXIF data because PHP is less than v4.2.0 ('.phpversion().')', __FILE__, __LINE__);

						return false;

					}

				} elseif (($this->ar == 'l') && ($this->source_height > $this->source_width)) {

					$rotate_angle = 270;

				} elseif (($this->ar == 'L') && ($this->source_height > $this->source_width)) {

					$rotate_angle = 90;

				} elseif (($this->ar == 'p') && ($this->source_width > $this->source_height)) {

					$rotate_angle = 90;

				} elseif (($this->ar == 'P') && ($this->source_width > $this->source_height)) {

					$rotate_angle = 270;

				}



			}

			while ($rotate_angle < 0) {

				$rotate_angle += 360;

			}

			$rotate_angle = $rotate_angle % 360;

			if ($rotate_angle != 0) {



				if ($rotate_angle % 90) {

					$this->is_alpha = true;

				}



				$background_color = phpthumb_functions::ImageHexColorAllocate($this->gdimg_source, $this->config_background_hexcolor);



				//if ((phpthumb_functions::gd_version() >= 2) && phpthumb_functions::CaseInsensitiveInArray($this->thumbnailFormat, $this->AlphaCapableFormats) && !$this->bg && ($rotate_angle % 90)) {

				if ((phpthumb_functions::gd_version() >= 2) && !$this->bg && ($rotate_angle % 90)) {



					$this->DebugMessage('Using alpha rotate', __FILE__, __LINE__);

					if ($gdimg_rotate_mask = phpthumb_functions::ImageCreateFunction(ImageSX($this->gdimg_source), ImageSY($this->gdimg_source))) {



						for ($i = 0; $i <= 255; $i++) {

							$color_mask[$i] = ImageColorAllocate($gdimg_rotate_mask, $i, $i, $i);

						}

						ImageFilledRectangle($gdimg_rotate_mask, 0, 0, ImageSX($gdimg_rotate_mask), ImageSY($gdimg_rotate_mask), $color_mask[255]);

						$imageX = ImageSX($this->gdimg_source);

						$imageY = ImageSY($this->gdimg_source);

						for ($x = 0; $x < $imageX; $x++) {

							for ($y = 0; $y < $imageY; $y++) {

								$pixelcolor = phpthumb_functions::GetPixelColor($this->gdimg_source, $x, $y);

								ImageSetPixel($gdimg_rotate_mask, $x, $y, $color_mask[255 - round($pixelcolor['alpha'] * 255 / 127)]);

							}

						}

						$gdimg_rotate_mask  = ImageRotate($gdimg_rotate_mask,  $rotate_angle, $color_mask[0]);

						$this->gdimg_source = ImageRotate($this->gdimg_source, $rotate_angle, $background_color);



						ImageAlphaBlending($this->gdimg_source, false);

						ImageSaveAlpha($this->gdimg_source, true);

						$this->is_alpha = true;

						$phpThumbFilters = new phpthumb_filters();

						$phpThumbFilters->phpThumbObject = $this;

						$phpThumbFilters->ApplyMask($gdimg_rotate_mask, $this->gdimg_source);



						ImageDestroy($gdimg_rotate_mask);

						$this->source_width  = ImageSX($this->gdimg_source);

						$this->source_height = ImageSY($this->gdimg_source);



					} else {

						$this->DebugMessage('ImageCreateFunction() failed', __FILE__, __LINE__);

					}



				} else {



					if (phpthumb_functions::gd_version() < 2) {

						$this->DebugMessage('Using non-alpha rotate because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

					} elseif ($this->bg) {

						$this->DebugMessage('Using non-alpha rotate because $this->bg is "'.$this->bg.'"', __FILE__, __LINE__);

					} elseif ($this->bg) {

						$this->DebugMessage('Using non-alpha rotate because ($rotate_angle % 90) = "'.($rotate_angle % 90).'"', __FILE__, __LINE__);

					} else {

						$this->DebugMessage('Using non-alpha rotate because $this->thumbnailFormat is "'.$this->thumbnailFormat.'"', __FILE__, __LINE__);

					}



					if (ImageColorTransparent($this->gdimg_source) >= 0) {

						// ImageRotate() forgets all about an image's transparency and sets the transparent color to black

						// To compensate, flood-fill the transparent color of the source image with the specified background color first

						// then rotate and the colors should match



						if (!function_exists('ImageIsTrueColor') || !ImageIsTrueColor($this->gdimg_source)) {

							// convert paletted image to true-color before rotating to prevent nasty aliasing artifacts



							$this->source_width  = ImageSX($this->gdimg_source);

							$this->source_height = ImageSY($this->gdimg_source);

							$gdimg_newsrc = phpthumb_functions::ImageCreateFunction($this->source_width, $this->source_height);

							$background_color = phpthumb_functions::ImageHexColorAllocate($gdimg_newsrc, $this->config_background_hexcolor);

							ImageFilledRectangle($gdimg_newsrc, 0, 0, $this->source_width, $this->source_height, phpthumb_functions::ImageHexColorAllocate($gdimg_newsrc, $this->config_background_hexcolor));

							ImageCopy($gdimg_newsrc, $this->gdimg_source, 0, 0, 0, 0, $this->source_width, $this->source_height);

							ImageDestroy($this->gdimg_source);

							unset($this->gdimg_source);

							$this->gdimg_source = $gdimg_newsrc;

							unset($gdimg_newsrc);



						} else {



							ImageColorSet(

								$this->gdimg_source,

								ImageColorTransparent($this->gdimg_source),

								hexdec(substr($this->config_background_hexcolor, 0, 2)),

								hexdec(substr($this->config_background_hexcolor, 2, 2)),

								hexdec(substr($this->config_background_hexcolor, 4, 2)));



							ImageColorTransparent($this->gdimg_source, -1);



						}

					}



					$this->gdimg_source = ImageRotate($this->gdimg_source, $rotate_angle, $background_color);

					$this->source_width  = ImageSX($this->gdimg_source);

					$this->source_height = ImageSY($this->gdimg_source);



				}

			}

		}

		return true;

	}





	function FixedAspectRatio() {

		// optional fixed-dimension images (regardless of aspect ratio)



//echo $this->thumbnail_width.'x'.$this->thumbnail_height.'['.__LINE__.']<br>';

		if (!$this->far) {

			// do nothing

			return true;

		}



		if (!$this->w || !$this->h) {

			return false;

		}

		$this->thumbnail_width  = $this->w;

		$this->thumbnail_height = $this->h;

		$this->is_alpha = true;

		if ($this->thumbnail_image_width >= $this->thumbnail_width) {

//echo __LINE__.'<br>';



			if ($this->w) {

				$aspectratio = $this->thumbnail_image_height / $this->thumbnail_image_width;

				$this->thumbnail_image_height = round($this->thumbnail_image_width * $aspectratio);

				$this->thumbnail_height = ($this->h ? $this->h : $this->thumbnail_image_height);

			} elseif ($this->thumbnail_image_height < $this->thumbnail_height) {

				$this->thumbnail_image_height = $this->thumbnail_height;

				$this->thumbnail_image_width  = round($this->thumbnail_image_height / $aspectratio);

			}



		} else {

//echo __LINE__.'<br>';



			if ($this->h) {

				$aspectratio = $this->thumbnail_image_width / $this->thumbnail_image_height;

				$this->thumbnail_image_width = round($this->thumbnail_image_height * $aspectratio);

			} elseif ($this->thumbnail_image_width < $this->thumbnail_width) {

				$this->thumbnail_image_width = $this->thumbnail_width;

				$this->thumbnail_image_height  = round($this->thumbnail_image_width / $aspectratio);

			}



		}

//echo $this->thumbnail_width.'x'.$this->thumbnail_height.'['.__LINE__.']<br>';

//exit;

		return true;

	}





	function AntiOffsiteLinking() {

		// Optional anti-offsite hijacking of the thumbnail script

		$allow = true;

		if ($allow && $this->config_nooffsitelink_enabled && (@$_SERVER['HTTP_REFERER'] || $this->config_nooffsitelink_require_refer)) {

			$this->DebugMessage('AntiOffsiteLinking() checking $_SERVER[HTTP_REFERER] "'.@$_SERVER['HTTP_REFERER'].'"', __FILE__, __LINE__);

			$parsed_url = parse_url(@$_SERVER['HTTP_REFERER']);

			if (!phpthumb_functions::CaseInsensitiveInArray(@$parsed_url['host'], $this->config_nooffsitelink_valid_domains)) {

				$allow = false;

				$erase   = $this->config_nooffsitelink_erase_image;

				$message = $this->config_nooffsitelink_text_message;

				$this->DebugMessage('AntiOffsiteLinking() - "'.@$parsed_url['host'].'" is NOT in $this->config_nooffsitelink_valid_domains ('.implode(';', $this->config_nooffsitelink_valid_domains).')', __FILE__, __LINE__);

			} else {

				$this->DebugMessage('AntiOffsiteLinking() - "'.@$parsed_url['host'].'" is in $this->config_nooffsitelink_valid_domains ('.implode(';', $this->config_nooffsitelink_valid_domains).')', __FILE__, __LINE__);

			}

		}



		if ($allow && $this->config_nohotlink_enabled && eregi('^(f|ht)tps?\://', $this->src)) {

			$parsed_url = parse_url($this->src);

			if (!phpthumb_functions::CaseInsensitiveInArray(@$parsed_url['host'], $this->config_nohotlink_valid_domains)) {

				// This domain is not allowed

				$allow = false;

				$erase   = $this->config_nohotlink_erase_image;

				$message = $this->config_nohotlink_text_message;

				$this->DebugMessage('AntiOffsiteLinking() - "'.$parsed_url['host'].'" is NOT in $this->config_nohotlink_valid_domains ('.implode(';', $this->config_nohotlink_valid_domains).')', __FILE__, __LINE__);

			} else {

				$this->DebugMessage('AntiOffsiteLinking() - "'.$parsed_url['host'].'" is in $this->config_nohotlink_valid_domains ('.implode(';', $this->config_nohotlink_valid_domains).')', __FILE__, __LINE__);

			}

		}



		if ($allow) {

			$this->DebugMessage('AntiOffsiteLinking() says this is allowed', __FILE__, __LINE__);

			return true;

		}



		if (!phpthumb_functions::IsHexColor($this->config_error_bgcolor)) {

			return $this->ErrorImage('Invalid hex color string "'.$this->config_error_bgcolor.'" for $this->config_error_bgcolor');

		}

		if (!phpthumb_functions::IsHexColor($this->config_error_textcolor)) {

			return $this->ErrorImage('Invalid hex color string "'.$this->config_error_textcolor.'" for $this->config_error_textcolor');

		}

		if ($erase) {



			return $this->ErrorImage($message, $this->thumbnail_width, $this->thumbnail_height, $this->config_error_bgcolor, $this->config_error_textcolor, $this->config_error_fontsize);



		} else {



			$nohotlink_text_array = explode("\n", wordwrap($message, floor($this->thumbnail_width / ImageFontWidth($this->config_error_fontsize)), "\n"));

			$nohotlink_text_color = phpthumb_functions::ImageHexColorAllocate($this->gdimg_output, $this->config_error_textcolor);



			$topoffset = round(($this->thumbnail_height - (count($nohotlink_text_array) * ImageFontHeight($this->config_error_fontsize))) / 2);



			$rowcounter = 0;

			$this->DebugMessage('AntiOffsiteLinking() writing '.count($nohotlink_text_array).' lines of text "'.$message.'" (in #'.$this->config_error_textcolor.') on top of image', __FILE__, __LINE__);

			foreach ($nohotlink_text_array as $dummy => $textline) {

				$leftoffset = max(0, round(($this->thumbnail_width - (strlen($textline) * ImageFontWidth($this->config_error_fontsize))) / 2));

				ImageString($this->gdimg_output, $this->config_error_fontsize, $leftoffset, $topoffset + ($rowcounter++ * ImageFontHeight($this->config_error_fontsize)), $textline, $nohotlink_text_color);

			}



		}

		return true;

	}





	function AlphaChannelFlatten() {

		if (!$this->is_alpha) {

			// image doesn't have alpha transparency, no need to flatten

			$this->DebugMessage('skipping AlphaChannelFlatten() because !$this->is_alpha', __FILE__, __LINE__);

			return false;

		}

		switch ($this->thumbnailFormat) {

			case 'png':

			case 'ico':

				// image has alpha transparency, but output as PNG or ICO which can handle it

				$this->DebugMessage('skipping AlphaChannelFlatten() because ($this->thumbnailFormat == "'.$this->thumbnailFormat.'")', __FILE__, __LINE__);

				return false;

				break;



			case 'gif':

				// image has alpha transparency, but output as GIF which can handle only single-color transparency

				$CurrentImageColorTransparent = ImageColorTransparent($this->gdimg_output);

				if ($CurrentImageColorTransparent == -1) {

					// no transparent color defined



					if (phpthumb_functions::gd_version() < 2.0) {

						$this->DebugMessage('AlphaChannelFlatten() failed because GD version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

						return false;

					}



					if ($img_alpha_mixdown_dither = @ImageCreateTrueColor(ImageSX($this->gdimg_output), ImageSY($this->gdimg_output))) {



						for ($i = 0; $i <= 255; $i++) {

							$dither_color[$i] = ImageColorAllocate($img_alpha_mixdown_dither, $i, $i, $i);

						}



						// scan through current truecolor image copy alpha channel to temp image as grayscale

						for ($x = 0; $x < $this->thumbnail_width; $x++) {

							for ($y = 0; $y < $this->thumbnail_height; $y++) {

								$PixelColor = phpthumb_functions::GetPixelColor($this->gdimg_output, $x, $y);

								ImageSetPixel($img_alpha_mixdown_dither, $x, $y, $dither_color[($PixelColor['alpha'] * 2)]);

							}

						}



						// dither alpha channel grayscale version down to 2 colors

						ImageTrueColorToPalette($img_alpha_mixdown_dither, true, 2);



						// reduce color palette to 256-1 colors (leave one palette position for transparent color)

						ImageTrueColorToPalette($this->gdimg_output, true, 255);



						// allocate a new color for transparent color index

						$TransparentColor = ImageColorAllocate($this->gdimg_output, 1, 254, 253);

						ImageColorTransparent($this->gdimg_output, $TransparentColor);



						// scan through alpha channel image and note pixels with >50% transparency

						$TransparentPixels = array();

						for ($x = 0; $x < $this->thumbnail_width; $x++) {

							for ($y = 0; $y < $this->thumbnail_height; $y++) {

								$AlphaChannelPixel = phpthumb_functions::GetPixelColor($img_alpha_mixdown_dither, $x, $y);

								if ($AlphaChannelPixel['red'] > 127) {

									ImageSetPixel($this->gdimg_output, $x, $y, $TransparentColor);

								}

							}

						}

						ImageDestroy($img_alpha_mixdown_dither);



						$this->DebugMessage('AlphaChannelFlatten() set image to 255+1 colors with transparency for GIF output', __FILE__, __LINE__);

						return true;



					} else {

						$this->DebugMessage('AlphaChannelFlatten() failed ImageCreate('.ImageSX($this->gdimg_output).', '.ImageSY($this->gdimg_output).')', __FILE__, __LINE__);

						return false;

					}



				} else {

					// a single transparent color already defined, leave as-is

					$this->DebugMessage('skipping AlphaChannelFlatten() because ($this->thumbnailFormat == "'.$this->thumbnailFormat.'") and ImageColorTransparent returned "'.$CurrentImageColorTransparent.'"', __FILE__, __LINE__);

					return true;

				}

				break;

		}

		$this->DebugMessage('continuing AlphaChannelFlatten() for output format "'.$this->thumbnailFormat.'"', __FILE__, __LINE__);



		// image has alpha transparency, and is being output in a format that doesn't support it -- flatten

		if ($gdimg_flatten_temp = phpthumb_functions::ImageCreateFunction($this->thumbnail_width, $this->thumbnail_height)) {



			$this->config_background_hexcolor = ($this->bg ? $this->bg : $this->config_background_hexcolor);

			if (!phpthumb_functions::IsHexColor($this->config_background_hexcolor)) {

				return $this->ErrorImage('Invalid hex color string "'.$this->config_background_hexcolor.'" for parameter "bg"');

			}

			$background_color = phpthumb_functions::ImageHexColorAllocate($this->gdimg_output, $this->config_background_hexcolor);

			ImageFilledRectangle($gdimg_flatten_temp, 0, 0, $this->thumbnail_width, $this->thumbnail_height, $background_color);

			ImageCopy($gdimg_flatten_temp, $this->gdimg_output, 0, 0, 0, 0, $this->thumbnail_width, $this->thumbnail_height);



			ImageAlphaBlending($this->gdimg_output, true);

			ImageSaveAlpha($this->gdimg_output, false);

			ImageColorTransparent($this->gdimg_output, -1);

			ImageCopy($this->gdimg_output, $gdimg_flatten_temp, 0, 0, 0, 0, $this->thumbnail_width, $this->thumbnail_height);



			ImageDestroy($gdimg_flatten_temp);

			return true;



		} else {

			$this->DebugMessage('ImageCreateFunction() failed', __FILE__, __LINE__);

		}

		return false;

	}





	function ApplyFilters() {

		if ($this->fltr && is_array($this->fltr)) {

			if (!include_once(dirname(__FILE__).'/phpthumb.filters.php')) {

				$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.filters.php" which is required for applying filters ('.implode(';', $this->fltr).')', __FILE__, __LINE__);

				return false;

			}

			$phpthumbFilters = new phpthumb_filters();

			$phpthumbFilters->phpThumbObject = $this;

			foreach ($this->fltr as $dummy => $filtercommand) {

				@list($command, $parameter) = explode('|', $filtercommand, 2);

				$this->DebugMessage('Attempting to process filter command "'.$command.'('.$parameter.')"', __FILE__, __LINE__);

				switch ($command) {

					case 'brit':

						$phpthumbFilters->Brightness($this->gdimg_output, $parameter);

						break;



					case 'cont':

						$phpthumbFilters->Contrast($this->gdimg_output, $parameter);

						break;



					case 'ds':

						$phpthumbFilters->Desaturate($this->gdimg_output, $parameter, '');

						break;



					case 'sat':

						$phpthumbFilters->Saturation($this->gdimg_output, $parameter, '');

						break;



					case 'gray':

						$phpthumbFilters->Grayscale($this->gdimg_output);

						break;



					case 'clr':

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping Colorize() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							break;

						}

						@list($amount, $color) = explode('|', $parameter);

						$phpthumbFilters->Colorize($this->gdimg_output, $amount, $color);

						break;



					case 'sep':

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping Sepia() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							break;

						}

						@list($amount, $color) = explode('|', $parameter);

						$phpthumbFilters->Sepia($this->gdimg_output, $amount, $color);

						break;



					case 'gam':

						$phpthumbFilters->Gamma($this->gdimg_output, $parameter);

						break;



					case 'neg':

						$phpthumbFilters->Negative($this->gdimg_output);

						break;

						

						case 'cpen':

						$phpthumbFilters->Colorpen($this->gdimg_output);

						break;



					case 'th':

						$phpthumbFilters->Threshold($this->gdimg_output, $parameter);

						break;



					case 'rcd':

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping ReduceColorDepth() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							break;

						}

						@list($colors, $dither) = explode('|', $parameter);

						$colors = ($colors                ?  (int) $colors : 256);

						$dither  = ((strlen($dither) > 0) ? (bool) $dither : true);

						$phpthumbFilters->ReduceColorDepth($this->gdimg_output, $colors, $dither);

						break;



					case 'flip':

						$phpthumbFilters->Flip($this->gdimg_output, (strpos(strtolower($parameter), 'x') !== false), (strpos(strtolower($parameter), 'y') !== false));

						break;



					case 'edge':

						$phpthumbFilters->EdgeDetect($this->gdimg_output);

						break;



					case 'emb':

						$phpthumbFilters->Emboss($this->gdimg_output);

						break;



					case 'bvl':

						@list($width, $color1, $color2) = explode('|', $parameter);

						$phpthumbFilters->Bevel($this->gdimg_output, $width, $color1, $color2);

						break;



					case 'lvl':

						@list($band, $min, $max) = explode('|', $parameter);

						$band = ($band              ? $band : '*');

						$min  = ((strlen($min) > 0) ? $min  : '-1');

						$max  = ((strlen($max) > 0) ? $max  : '-1');

						$phpthumbFilters->HistogramStretch($this->gdimg_output, $band, $min, $max);

						break;



					case 'wb':

						$phpthumbFilters->WhiteBalance($this->gdimg_output, $parameter);

						break;



					case 'hist':

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping HistogramOverlay() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							break;

						}

						@list($bands, $colors, $width, $height, $alignment, $opacity, $margin) = explode('|', $parameter);

						$bands     = ($bands     ? $bands     :  '*');

						$colors    = ($colors    ? $colors    :   '');

						$width     = ($width     ? $width     : 0.25);

						$height    = ($height    ? $height    : 0.25);

						$alignment = ($alignment ? $alignment : 'BR');

						$opacity   = ($opacity   ? $opacity   :   50);

						$margin    = ($margin    ? $margin    :    5);

						$phpthumbFilters->HistogramOverlay($this->gdimg_output, $bands, $colors, $width, $height, $alignment, $opacity, $margin);

						break;



					case 'fram':

						@list($frame_width, $edge_width, $color_frame, $color1, $color2) = explode('|', $parameter);

						$phpthumbFilters->Frame($this->gdimg_output, $frame_width, $edge_width, $color_frame, $color1, $color2);

						break;



					case 'drop':

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping DropShadow() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							return false;

						}

						$this->is_alpha = true;

						@list($distance, $width, $color, $angle, $fade) = explode('|', $parameter);

						$phpthumbFilters->DropShadow($this->gdimg_output, $distance, $width, $color, $angle, $fade);

						break;



					case 'mask':

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping Mask() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							return false;

						}

						$mask_filename = $this->ResolveFilenameToAbsolute($parameter);

						if (@is_readable($mask_filename) && ($fp_mask = @fopen($mask_filename, 'rb'))) {

							$MaskImageData = '';

							do {

								$buffer = fread($fp_mask, 8192);

								$MaskImageData .= $buffer;

							} while (strlen($buffer) > 0);

							fclose($fp_mask);

							if ($gdimg_mask = $this->ImageCreateFromStringReplacement($MaskImageData)) {

								$this->is_alpha = true;

								$phpthumbFilters->ApplyMask($gdimg_mask, $this->gdimg_output);

								ImageDestroy($gdimg_mask);

							} else {

								$this->DebugMessage('ImageCreateFromStringReplacement() failed for "'.$mask_filename.'"', __FILE__, __LINE__);

							}

						} else {

							$this->DebugMessage('Cannot open mask file "'.$mask_filename.'"', __FILE__, __LINE__);

						}

						break;



					case 'elip':

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping Elipse() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							return false;

						}

						$this->is_alpha = true;

						$phpthumbFilters->Elipse($this->gdimg_output);

						break;



					case 'ric':

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping RoundedImageCorners() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							return false;

						}

						@list($radius_x, $radius_y) = explode('|', $parameter);

						if (($radius_x < 1) || ($radius_y < 1)) {

							$this->DebugMessage('Skipping RoundedImageCorners('.$radius_x.', '.$radius_y.') because x/y radius is less than 1', __FILE__, __LINE__);

							break;

						}

						$this->is_alpha = true;

						$phpthumbFilters->RoundedImageCorners($this->gdimg_output, $radius_x, $radius_y);

						break;



					case 'crop':

						@list($left, $right, $top, $bottom) = explode('|', $parameter);

						$phpthumbFilters->Crop($this->gdimg_output, $left, $right, $top, $bottom);

						break;



					case 'bord':

						@list($border_width, $radius_x, $radius_y, $hexcolor_border) = explode('|', $parameter);

						$this->is_alpha = true;

						$phpthumbFilters->ImageBorder($this->gdimg_output, $border_width, $radius_x, $radius_y, $hexcolor_border);

						break;



					case 'over':

						@list($filename, $underlay, $margin, $opacity) = explode('|', $parameter);

						$underlay = (bool) ($underlay              ? $underlay : false);

						$margin   =        ((strlen($margin)  > 0) ? $margin   : ($underlay ? 0.1 : 0.0));

						$opacity  =        ((strlen($opacity) > 0) ? $opacity  : 100);

						if (($margin > 0) && ($margin < 1)) {

							$margin = min(0.499, $margin);

						} elseif (($margin > -1) && ($margin < 0)) {

							$margin = max(-0.499, $margin);

						}



						$filename = $this->ResolveFilenameToAbsolute($filename);

						if (@is_readable($filename) && ($fp_watermark = @fopen($filename, 'rb'))) {

							$WatermarkImageData = '';

							do {

								$buffer = fread($fp_watermark, 8192);

								$WatermarkImageData .= $buffer;

							} while (strlen($buffer) > 0);

							fclose($fp_watermark);

							if ($img_watermark = $this->ImageCreateFromStringReplacement($WatermarkImageData)) {

								if ($margin < 1) {

									$resized_x = max(1, ImageSX($this->gdimg_output) - round(2 * (ImageSX($this->gdimg_output) * $margin)));

									$resized_y = max(1, ImageSY($this->gdimg_output) - round(2 * (ImageSY($this->gdimg_output) * $margin)));

								} else {

									$resized_x = max(1, ImageSX($this->gdimg_output) - round(2 * $margin));

									$resized_y = max(1, ImageSY($this->gdimg_output) - round(2 * $margin));

								}



								if ($underlay) {



									if ($img_watermark_resized = phpthumb_functions::ImageCreateFunction(ImageSX($this->gdimg_output), ImageSY($this->gdimg_output))) {

										ImageAlphaBlending($img_watermark_resized, false);

										ImageSaveAlpha($img_watermark_resized, true);

										$this->ImageResizeFunction($img_watermark_resized, $img_watermark, 0, 0, 0, 0, ImageSX($img_watermark_resized), ImageSY($img_watermark_resized), ImageSX($img_watermark), ImageSY($img_watermark));

										if ($img_source_resized = phpthumb_functions::ImageCreateFunction($resized_x, $resized_y)) {

											ImageAlphaBlending($img_source_resized, false);

											ImageSaveAlpha($img_source_resized, true);

											$this->ImageResizeFunction($img_source_resized, $this->gdimg_output, 0, 0, 0, 0, ImageSX($img_source_resized), ImageSY($img_source_resized), ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));

											$phpthumbFilters->WatermarkOverlay($img_watermark_resized, $img_source_resized, 'C', $opacity, $margin);

											ImageCopy($this->gdimg_output, $img_watermark_resized, 0, 0, 0, 0, ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));

										} else {

											$this->DebugMessage('phpthumb_functions::ImageCreateFunction('.$resized_x.', '.$resized_y.')', __FILE__, __LINE__);

										}

										ImageDestroy($img_watermark_resized);

									} else {

										$this->DebugMessage('phpthumb_functions::ImageCreateFunction('.ImageSX($this->gdimg_output).', '.ImageSY($this->gdimg_output).')', __FILE__, __LINE__);

									}



								} else { // overlay



									if ($img_watermark_resized = phpthumb_functions::ImageCreateFunction($resized_x, $resized_y)) {

										ImageAlphaBlending($img_watermark_resized, false);

										ImageSaveAlpha($img_watermark_resized, true);

										$this->ImageResizeFunction($img_watermark_resized, $img_watermark, 0, 0, 0, 0, ImageSX($img_watermark_resized), ImageSY($img_watermark_resized), ImageSX($img_watermark), ImageSY($img_watermark));

										$phpthumbFilters->WatermarkOverlay($this->gdimg_output, $img_watermark_resized, 'C', $opacity, $margin);

										ImageDestroy($img_watermark_resized);

									} else {

										$this->DebugMessage('phpthumb_functions::ImageCreateFunction('.$resized_x.', '.$resized_y.')', __FILE__, __LINE__);

									}



								}

								ImageDestroy($img_watermark);



							} else {

								$this->DebugMessage('ImageCreateFromStringReplacement() failed for "'.$filename.'"', __FILE__, __LINE__);

							}

						} else {

							$this->DebugMessage('Cannot open overlay file "'.$filename.'"', __FILE__, __LINE__);

						}

						break;



					case 'wmi':

						@list($filename, $alignment, $opacity, $margin) = explode('|', $parameter);

						$alignment = ($alignment       ? $alignment : 'BR');

						$opacity   = (strlen($opacity) ? $opacity   : 50);

						$margin    = (strlen($margin)  ? $margin    : 5);



						$filename = $this->ResolveFilenameToAbsolute($filename);

						if (@is_readable($filename)) {

							//if ($img_watermark = $this->ImageCreateFromFilename($filename, $rawImageData)) {

							if ($img_watermark = $this->ImageCreateFromFilename($filename)) {

								// great

								$phpthumbFilters->WatermarkOverlay($this->gdimg_output, $img_watermark, $alignment, $opacity, $margin);

								ImageDestroy($img_watermark);

							} else {

								$this->DebugMessage('ImageCreateFromFilename() failed for "'.$filename.'"', __FILE__, __LINE__);

							}

						} else {

							$this->DebugMessage('!is_readable('.$filename.')', __FILE__, __LINE__);

						}

						break;



					case 'wmt':

						@list($text, $size, $alignment, $hex_color, $ttffont, $opacity, $margin, $angle, $bg_color, $bg_opacity, $fillextend) = explode('|', $parameter);

						$text       = ($text            ? $text       : '');

						$size       = ($size            ? $size       : 3);

						$alignment  = ($alignment       ? $alignment  : 'BR');

						$hex_color  = ($hex_color       ? $hex_color  : '000000');

						$ttffont    = ($ttffont         ? $ttffont    : '');

						$opacity    = (strlen($opacity) ? $opacity    : 50);

						$margin     = (strlen($margin)  ? $margin     : 5);

						$angle      = (strlen($angle)   ? $angle      : 0);

						$bg_color   = ($bg_color        ? $bg_color   : false);

						$bg_opacity = ($bg_opacity      ? $bg_opacity : 0);

						$fillextend = ($fillextend      ? $fillextend : '');



						if (basename($ttffont) == $ttffont) {

							$ttffont = realpath($this->config_ttf_directory.DIRECTORY_SEPARATOR.$ttffont);

						} else {

							$ttffont = $this->ResolveFilenameToAbsolute($ttffont);

						}

						$phpthumbFilters->WatermarkText($this->gdimg_output, $text, $size, $alignment, $hex_color, $ttffont, $opacity, $margin, $angle, $bg_color, $bg_opacity, $fillextend);

						break;



					case 'blur':

						@list($radius) = explode('|', $parameter);

						$radius = ($radius ? $radius : 1);

						if (phpthumb_functions::gd_version() < 2) {

							$this->DebugMessage('Skipping Blur() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							return false;

						}

						$phpthumbFilters->Blur($this->gdimg_output, $radius);

						break;



					case 'gblr':

						$phpthumbFilters->BlurGaussian($this->gdimg_output);

						break;



					case 'sblr':

						$phpthumbFilters->BlurSelective($this->gdimg_output);

						break;



					case 'mean':

						$phpthumbFilters->MeanRemoval($this->gdimg_output);

						break;



					case 'smth':

						$phpthumbFilters->Smooth($this->gdimg_output, $parameter);

						break;



					case 'usm':

						@list($amount, $radius, $threshold) = explode('|', $parameter);

						$amount    = ($amount            ? $amount    : 80);

						$radius    = ($radius            ? $radius    : 0.5);

						$threshold = (strlen($threshold) ? $threshold : 3);

						if (phpthumb_functions::gd_version() >= 2.0) {

							ob_start();

							if (!@include_once(dirname(__FILE__).'/phpthumb.unsharp.php')) {

								$include_error = ob_get_contents();

								if ($include_error) {

									$this->DebugMessage('include_once("'.dirname(__FILE__).'/phpthumb.unsharp.php") generated message: "'.$include_error.'"', __FILE__, __LINE__);

								}

								$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.unsharp.php" which is required for unsharp masking', __FILE__, __LINE__);

								ob_end_clean();

								return false;

							}

							ob_end_clean();

							phpUnsharpMask::applyUnsharpMask($this->gdimg_output, $amount, $radius, $threshold);

						} else {

							$this->DebugMessage('Skipping unsharp mask because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

							return false;

						}

						break;

				}

			}

		}

		return true;

	}





	function MaxFileSize() {

		if (phpthumb_functions::gd_version() < 2) {

			$this->DebugMessage('Skipping MaxFileSize() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);

			return false;

		}

		if ($this->maxb > 0) {

			switch ($this->thumbnailFormat) {

				case 'png':

				case 'gif':

					$imgRenderFunction = 'image'.$this->thumbnailFormat;



					ob_start();

					$imgRenderFunction($this->gdimg_output);

					$imgdata = ob_get_contents();

					ob_end_clean();



					if (strlen($imgdata) > $this->maxb) {

						for ($i = 8; $i >= 1; $i--) {

							$tempIMG = ImageCreateTrueColor(ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));

							ImageCopy($tempIMG, $this->gdimg_output, 0, 0, 0, 0, ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));

							ImageTrueColorToPalette($tempIMG, true, pow(2, $i));

							ob_start();

							$imgRenderFunction($tempIMG);

							$imgdata = ob_get_contents();

							ob_end_clean();



							if (strlen($imgdata) <= $this->maxb) {

								ImageTrueColorToPalette($this->gdimg_output, true, pow(2, $i));

								break;

							}

						}

					}

					if (strlen($imgdata) > $this->maxb) {

						ImageTrueColorToPalette($this->gdimg_output, true, pow(2, $i));

						return false;

					}

					break;



				case 'jpeg':

					ob_start();

					ImageJPEG($this->gdimg_output);

					$imgdata = ob_get_contents();

					ob_end_clean();



					$OriginalJPEGquality = $this->thumbnailQuality;

					if (strlen($imgdata) > $this->maxb) {

						for ($i = 3; $i < 20; $i++) {

							$q = round(100 * (1 - log10($i / 2)));

							ob_start();

							ImageJPEG($this->gdimg_output, '', $q);

							$imgdata = ob_get_contents();

							ob_end_clean();



							$this->thumbnailQuality = $q;

							if (strlen($imgdata) <= $this->maxb) {

								break;

							}

						}

					}

					if (strlen($imgdata) > $this->maxb) {

						return false;

					}

					break;



				default:

					return false;

					break;

			}

		}

		return true;

	}





	function CalculateThumbnailDimensions() {

//echo $this->source_width.'x'.$this->source_height.'<hr>';

		$this->thumbnailCropX = ($this->sx ? (($this->sx >= 1) ? $this->sx : round($this->sx * $this->source_width))  : 0);

//echo $this->thumbnailCropX.'<br>';

		$this->thumbnailCropY = ($this->sy ? (($this->sy >= 1) ? $this->sy : round($this->sy * $this->source_height)) : 0);

//echo $this->thumbnailCropY.'<br>';

		$this->thumbnailCropW = ($this->sw ? (($this->sw >= 1) ? $this->sw : round($this->sw * $this->source_width))  : $this->source_width);

//echo $this->thumbnailCropW.'<br>';

		$this->thumbnailCropH = ($this->sh ? (($this->sh >= 1) ? $this->sh : round($this->sh * $this->source_height)) : $this->source_height);

//echo $this->thumbnailCropH.'<hr>';



		// limit source area to original image area

		$this->thumbnailCropW = max(1, min($this->thumbnailCropW, $this->source_width  - $this->thumbnailCropX));

		$this->thumbnailCropH = max(1, min($this->thumbnailCropH, $this->source_height - $this->thumbnailCropY));



		$this->DebugMessage('CalculateThumbnailDimensions() [x,y,w,h] initially set to ['.$this->thumbnailCropX.','.$this->thumbnailCropY.','.$this->thumbnailCropW.','.$this->thumbnailCropH.']', __FILE__, __LINE__);





		if ($this->zc && $this->w && $this->h) {

			// Zoom Crop

			// retain proportional resizing we did above, but crop off larger dimension so smaller

			// dimension fully fits available space



			$scaling_X = $this->source_width  / $this->w;

			$scaling_Y = $this->source_height / $this->h;

			if ($scaling_X > $scaling_Y) {

				// some of the width will need to be cropped

				$allowable_width = $this->source_width / $scaling_X * $scaling_Y;

				$this->thumbnailCropW = round($allowable_width);

				$this->thumbnailCropX = round(($this->source_width - $allowable_width) / 2);



			} elseif ($scaling_Y > $scaling_X) {

				// some of the height will need to be cropped

				$allowable_height = $this->source_height / $scaling_Y * $scaling_X;

				$this->thumbnailCropH = round($allowable_height);

				$this->thumbnailCropY = round(($this->source_height - $allowable_height) / 2);



			} else {

				// image fits perfectly, no cropping needed

			}

			$this->thumbnail_width  = $this->w;

			$this->thumbnail_height = $this->h;

			$this->thumbnail_image_width  = $this->thumbnail_width;

			$this->thumbnail_image_height = $this->thumbnail_height;



		} elseif ($this->iar && $this->w && $this->h) {



			// Ignore Aspect Ratio

			// stretch image to fit exactly 'w' x 'h'

			$this->thumbnail_width  = $this->w;

			$this->thumbnail_height = $this->h;

			$this->thumbnail_image_width  = $this->thumbnail_width;

			$this->thumbnail_image_height = $this->thumbnail_height;



		} else {



			$original_aspect_ratio = $this->thumbnailCropW / $this->thumbnailCropH;

//var_dump($original_aspect_ratio);

//echo '<hr>';

			if ($this->aoe) {

				if ($this->w && $this->h) {

					$maxwidth  = min($this->w, $this->h * $original_aspect_ratio);

					$maxheight = min($this->h, $this->w / $original_aspect_ratio);

				} elseif ($this->w) {

					$maxwidth  = $this->w;

					$maxheight = $this->w / $original_aspect_ratio;

				} elseif ($this->h) {

					$maxwidth  = $this->h * $original_aspect_ratio;

					$maxheight = $this->h;

				} else {

					$maxwidth  = $this->thumbnailCropW;

					$maxheight = $this->thumbnailCropH;

				}

			} else {

				$maxwidth  = phpthumb_functions::nonempty_min($this->w, $this->thumbnailCropW, $this->config_output_maxwidth);

				$maxheight = phpthumb_functions::nonempty_min($this->h, $this->thumbnailCropH, $this->config_output_maxheight);

//echo $maxwidth.'x'.$maxheight.'<br>';

				$maxwidth  = min($maxwidth, $maxheight * $original_aspect_ratio);

				$maxheight = min($maxheight, $maxwidth / $original_aspect_ratio);

//echo $maxwidth.'x'.$maxheight.'<hr>';

			}



			$this->thumbnail_image_width  = $maxwidth;

			$this->thumbnail_image_height = $maxheight;

			$this->thumbnail_width  = $maxwidth;

			$this->thumbnail_height = $maxheight;



			$this->FixedAspectRatio();

		}



		$this->thumbnail_width  = max(1, floor($this->thumbnail_width));

		$this->thumbnail_height = max(1, floor($this->thumbnail_height));

		return true;

	}





	function CreateGDoutput() {

		$this->CalculateThumbnailDimensions();



		// Create the GD image (either true-color or 256-color, depending on GD version)

		$this->gdimg_output = phpthumb_functions::ImageCreateFunction($this->thumbnail_width, $this->thumbnail_height);



		// Images that have transparency must have the background filled with the configured 'bg' color

		// otherwise the transparent color will appear as black

		ImageSaveAlpha($this->gdimg_output, true);

		if ($this->is_alpha && phpthumb_functions::gd_version() >= 2) {



			ImageAlphaBlending($this->gdimg_output, false);

			$output_full_alpha = phpthumb_functions::ImageColorAllocateAlphaSafe($this->gdimg_output, 255, 255, 255, 127);

			ImageFilledRectangle($this->gdimg_output, 0, 0, $this->thumbnail_width, $this->thumbnail_height, $output_full_alpha);



		} else {



			$current_transparent_color = ImageColorTransparent($this->gdimg_source);

			if ($this->bg || (@$current_transparent_color >= 0)) {



				$this->config_background_hexcolor = ($this->bg ? $this->bg : $this->config_background_hexcolor);

				if (!phpthumb_functions::IsHexColor($this->config_background_hexcolor)) {

					return $this->ErrorImage('Invalid hex color string "'.$this->config_background_hexcolor.'" for parameter "bg"');

				}

				$background_color = phpthumb_functions::ImageHexColorAllocate($this->gdimg_output, $this->config_background_hexcolor);

				ImageFilledRectangle($this->gdimg_output, 0, 0, $this->thumbnail_width, $this->thumbnail_height, $background_color);



			}



		}

		$this->DebugMessage('CreateGDoutput() returning canvas "'.$this->thumbnail_width.'x'.$this->thumbnail_height.'"', __FILE__, __LINE__);

		return true;

	}



	function SetOrientationDependantWidthHeight() {

		$this->DebugMessage('SetOrientationDependantWidthHeight() starting with "'.$this->source_width.'"x"'.$this->source_height.'"', __FILE__, __LINE__);

		if ($this->source_height > $this->source_width) {

			// portrait

			$this->w = phpthumb_functions::OneOfThese($this->wp, $this->w, $this->ws, $this->wl);

			$this->h = phpthumb_functions::OneOfThese($this->hp, $this->h, $this->hs, $this->hl);

		} elseif ($this->source_height < $this->source_width) {

			// landscape

			$this->w = phpthumb_functions::OneOfThese($this->wl, $this->w, $this->ws, $this->wp);

			$this->h = phpthumb_functions::OneOfThese($this->hl, $this->h, $this->hs, $this->hp);

		} else {

			// square

			$this->w = phpthumb_functions::OneOfThese($this->ws, $this->w, $this->wl, $this->wp);

			$this->h = phpthumb_functions::OneOfThese($this->hs, $this->h, $this->hl, $this->hp);

		}

		//$this->w = round($this->w ? $this->w : (($this->h && $this->source_height) ? $this->h * $this->source_width  / $this->source_height : $this->w));

		//$this->h = round($this->h ? $this->h : (($this->w && $this->source_width)  ? $this->w * $this->source_height / $this->source_width  : $this->h));

		$this->DebugMessage('SetOrientationDependantWidthHeight() setting w="'.intval($this->w).'", h="'.intval($this->h).'"', __FILE__, __LINE__);

		return true;

	}



	function ExtractEXIFgetImageSize() {

		$this->DebugMessage('starting ExtractEXIFgetImageSize()', __FILE__, __LINE__);



		if (is_resource($this->gdimg_source)) {



			$this->source_width  = ImageSX($this->gdimg_source);

			$this->source_height = ImageSY($this->gdimg_source);



			$this->SetOrientationDependantWidthHeight();



		} elseif ($this->rawImageData && !$this->sourceFilename) {



			$this->DebugMessage('bypassing EXIF and GetImageSize sections because $this->rawImageData is set and $this->sourceFilename is not set', __FILE__, __LINE__);



		}



		if (is_null($this->getimagesizeinfo)) {

			$this->getimagesizeinfo = @GetImageSize($this->sourceFilename);

		}



		if (!empty($this->getimagesizeinfo)) {

			// great

			$this->getimagesizeinfo['filesize'] = @filesize($this->sourceFilename);

		} elseif (!$this->rawImageData) {

			$this->DebugMessage('GetImageSize("'.$this->sourceFilename.'") failed', __FILE__, __LINE__);

		}



		if ($this->config_prefer_imagemagick) {

			if ($this->ImageMagickThumbnailToGD()) {

				return true;

			}

			$this->DebugMessage('ImageMagickThumbnailToGD() failed', __FILE__, __LINE__);

		}



		$this->source_width  = $this->getimagesizeinfo[0];

		$this->source_height = $this->getimagesizeinfo[1];



		$this->SetOrientationDependantWidthHeight();



		if (phpthumb_functions::version_compare_replacement(phpversion(), '4.2.0', '>=') && function_exists('exif_read_data')) {

			$this->exif_raw_data = @exif_read_data($this->sourceFilename, 0, true);

		}

		if (function_exists('exif_thumbnail') && ($this->getimagesizeinfo[2] == 2)) {

			// Extract EXIF info from JPEGs



			$this->exif_thumbnail_width  = '';

			$this->exif_thumbnail_height = '';

			$this->exif_thumbnail_type   = '';



			// The parameters width, height and imagetype are available since PHP v4.3.0

			if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.0', '>=')) {



				$this->exif_thumbnail_data = @exif_thumbnail($this->sourceFilename, $this->exif_thumbnail_width, $this->exif_thumbnail_height, $this->exif_thumbnail_type);



			} else {



				// older versions of exif_thumbnail output an error message but NOT return false on failure

				ob_start();

				$this->exif_thumbnail_data = exif_thumbnail($this->sourceFilename);

				$exit_thumbnail_error = ob_get_contents();

				ob_end_clean();

				if (!$exit_thumbnail_error && $this->exif_thumbnail_data) {



					if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {

						$this->exif_thumbnail_width  = ImageSX($gdimg_exif_temp);

						$this->exif_thumbnail_height = ImageSY($gdimg_exif_temp);

						$this->exif_thumbnail_type   = 2; // (2 == JPEG) before PHP v4.3.0 only JPEG format EXIF thumbnails are returned

						unset($gdimg_exif_temp);

					} else {

						return $this->ErrorImage('Failed - $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data) in '.__FILE__.' on line '.__LINE__);

					}



				}



			}



		} elseif (!function_exists('exif_thumbnail')) {



			$this->DebugMessage('exif_thumbnail() does not exist, cannot extract EXIF thumbnail', __FILE__, __LINE__);

			return false;



		}



		$this->DebugMessage('EXIF thumbnail extraction: (size='.strlen($this->exif_thumbnail_data).'; type="'.$this->exif_thumbnail_type.'"; '.intval($this->exif_thumbnail_width).'x'.intval($this->exif_thumbnail_height).')', __FILE__, __LINE__);



		// see if EXIF thumbnail can be used directly with no processing

		if ($this->config_use_exif_thumbnail_for_speed && $this->exif_thumbnail_data) {

			while (true) {

				if (!$this->xto) {

					$source_ar = $this->source_width / $this->source_height;

					$exif_ar = $this->exif_thumbnail_width / $this->exif_thumbnail_height;

					if (number_format($source_ar, 2) != number_format($exif_ar, 2)) {

						$this->DebugMessage('not using EXIF thumbnail because $source_ar != $exif_ar ('.$source_ar.' != '.$exif_ar.')', __FILE__, __LINE__);

						break;

					}

					if ($this->w && ($this->w != $this->exif_thumbnail_width)) {

						$this->DebugMessage('not using EXIF thumbnail because $this->w != $this->exif_thumbnail_width ('.$this->w.' != '.$this->exif_thumbnail_width.')', __FILE__, __LINE__);

						break;

					}

					if ($this->h && ($this->h != $this->exif_thumbnail_height)) {

						$this->DebugMessage('not using EXIF thumbnail because $this->h != $this->exif_thumbnail_height ('.$this->h.' != '.$this->exif_thumbnail_height.')', __FILE__, __LINE__);

						break;

					}

					$CannotBeSetParameters = array('sx', 'sy', 'sh', 'sw', 'far', 'bg', 'bc', 'fltr', 'phpThumbDebug');

					foreach ($CannotBeSetParameters as $dummy => $parameter) {

						if ($this->$parameter) {

							break 2;

						}

					}

				}



				$this->DebugMessage('setting $this->gdimg_source = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data)', __FILE__, __LINE__);

				$this->gdimg_source = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data);

				$this->source_width  = ImageSX($this->gdimg_source);

				$this->source_height = ImageSY($this->gdimg_source);

				return true;

			}

		}



		if (($this->config_max_source_pixels > 0) && (($this->source_width * $this->source_height) > $this->config_max_source_pixels)) {



			// Source image is larger than would fit in available PHP memory.

			// If ImageMagick is installed, use it to generate the thumbnail.

			// Else, if an EXIF thumbnail is available, use that as the source image.

			// Otherwise, no choice but to fail with an error message

			$this->DebugMessage('image is '.$this->source_width.'x'.$this->source_height.' and therefore contains more pixels ('.($this->source_width * $this->source_height).') than $this->config_max_source_pixels setting ('.$this->config_max_source_pixels.')', __FILE__, __LINE__);

			if (!$this->config_prefer_imagemagick && $this->ImageMagickThumbnailToGD()) {

				// excellent, we have a thumbnailed source image

				return true;

			}



		}

		return true;

	}





	function SetCacheFilename() {

		if (!is_null($this->cache_filename)) {

			$this->DebugMessage('$this->cache_filename already set, skipping SetCacheFilename()', __FILE__, __LINE__);

			return true;

		}

		$this->setOutputFormat();

		$this->setCacheDirectory();

		if (!$this->config_cache_directory) {

			$this->DebugMessage('SetCacheFilename() failed because $this->config_cache_directory is empty', __FILE__, __LINE__);

			return false;

		}



		if (!$this->sourceFilename && !$this->rawImageData && $this->src) {

			$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->src);

		}



		if ($this->config_cache_default_only_suffix && $this->sourceFilename) {

			// simplified cache filenames:

			// only use default parameters in phpThumb.config.php

			// substitute source filename into * in $this->config_cache_default_only_suffix

			// (eg: '*_thumb' becomes 'picture_thumb.jpg')

			if (strpos($this->config_cache_default_only_suffix, '*') === false) {

				$this->DebugMessage('aborting simplified caching filename because no * in "'.$this->config_cache_default_only_suffix.'"', __FILE__, __LINE__);

			} else {

				eregi('(.+)(\.[a-z0-9]+)?$', basename($this->sourceFilename), $matches);

				$this->cache_filename = $this->config_cache_directory.DIRECTORY_SEPARATOR.rawurlencode(str_replace('*', @$matches[1], $this->config_cache_default_only_suffix)).'.'.strtolower($this->thumbnailFormat);

				return true;

			}

		}



		$this->cache_filename = '';

		if ($this->new) {

			$this->cache_filename .= '_new'.strtolower(md5($this->new));

		} elseif ($this->md5s) {

			// source image MD5 hash provided

			$this->DebugMessage('SetCacheFilename() _raw set from $this->md5s = "'.$this->md5s.'"', __FILE__, __LINE__);

			$this->cache_filename .= '_raw'.$this->md5s;

		} elseif (!$this->src && $this->rawImageData) {

			$this->DebugMessage('SetCacheFilename() _raw set from md5($this->rawImageData) = "'.md5($this->rawImageData).'"', __FILE__, __LINE__);

			$this->cache_filename .= '_raw'.strtolower(md5($this->rawImageData));

		} else {

			$this->DebugMessage('SetCacheFilename() _src set from md5($this->sourceFilename) "'.$this->sourceFilename.'" = "'.md5($this->sourceFilename).'"', __FILE__, __LINE__);

			$this->cache_filename .= '_src'.strtolower(md5($this->sourceFilename));

		}

		if (@$_SERVER['HTTP_REFERER'] && $this->config_nooffsitelink_enabled) {

			$parsed_url1 = @parse_url(@$_SERVER['HTTP_REFERER']);

			$parsed_url2 = @parse_url('http://'.@$_SERVER['HTTP_HOST']);

			if (@$parsed_url1['host'] && @$parsed_url2['host'] && ($parsed_url1['host'] != $parsed_url2['host'])) {

				// include "_offsite" only if nooffsitelink_enabled and if referrer doesn't match the domain of the current server

				$this->cache_filename .= '_offsite';

			}

		}



		$ParametersString = '';

		if ($this->fltr && is_array($this->fltr)) {

			$ParametersString .= '_fltr'.implode('_fltr', $this->fltr);

		}

		$FilenameParameters1 = array('ar', 'bg', 'bc', 'far', 'sx', 'sy', 'sw', 'sh', 'zc');

		foreach ($FilenameParameters1 as $dummy => $key) {

			if ($this->$key) {

				$ParametersString .= '_'.$key.$this->$key;

			}

		}

		$FilenameParameters2 = array('h', 'w', 'wl', 'wp', 'ws', 'hp', 'hs', 'xto', 'ra', 'iar', 'aoe', 'maxb');

		foreach ($FilenameParameters2 as $dummy => $key) {

			if ($this->$key) {

				$ParametersString .= '_'.$key.intval($this->$key);

			}

		}

		if ($this->thumbnailFormat == 'jpeg') {

			// only JPEG output has variable quality option

			$ParametersString .= '_q'.intval($this->thumbnailQuality);

		}

		$this->DebugMessage('SetCacheFilename() _par set from md5('.$ParametersString.')', __FILE__, __LINE__);

		$this->cache_filename .= '_par'.strtolower(md5($ParametersString));



		if ($this->md5s) {

			// source image MD5 hash provided

			// do not source image modification date --

			// cached image will be used even if file was modified or removed

		} elseif (!$this->config_cache_source_filemtime_ignore_remote && eregi('^(f|ht)tps?\://', $this->src)) {

			$this->cache_filename .= '_dat'.intval(phpthumb_functions::filedate_remote($this->src));

		} elseif (!$this->config_cache_source_filemtime_ignore_local && $this->src && !$this->rawImageData) {

			$this->cache_filename .= '_dat'.intval(@filemtime($this->sourceFilename));

		}



		$this->cache_filename .= '.'.strtolower($this->thumbnailFormat);



		$this->cache_filename = $this->config_cache_directory.DIRECTORY_SEPARATOR.$this->config_cache_prefix.rawurlencode($this->cache_filename);

		return true;

	}





	function ImageCreateFromFilename($filename) {

		// try to create GD image source directly via GD, if possible,

		// rather than buffering to memory and creating with ImageCreateFromString

		$ImageCreateWasAttempted = false;

		$gd_image = false;



		$this->DebugMessage('starting ImageCreateFromFilename('.$filename.')', __FILE__, __LINE__);



		if ($filename && ($getimagesizeinfo = @GetImageSize($filename))) {

			if ($this->config_max_source_pixels > 0) {

				if (($getimagesizeinfo[0] * $getimagesizeinfo[1]) < $this->config_max_source_pixels) {

					$ImageCreateFromFunction = array(

						1  => 'ImageCreateFromGIF',

						2  => 'ImageCreateFromJPEG',

						3  => 'ImageCreateFromPNG',

						15 => 'ImageCreateFromWBMP',

					);

					$this->DebugMessage('ImageCreateFromFilename found ($getimagesizeinfo[2]=='.@$getimagesizeinfo[2].')', __FILE__, __LINE__);

					switch (@$getimagesizeinfo[2]) {

						case 1:  // GIF

						case 2:  // JPEG

						case 3:  // PNG

						case 15: // WBMP

							$ImageCreateFromFunctionName = $ImageCreateFromFunction[$getimagesizeinfo[2]];

							if (function_exists($ImageCreateFromFunctionName)) {

								$this->DebugMessage('Calling '.$ImageCreateFromFunctionName.'('.$filename.')', __FILE__, __LINE__);

								$ImageCreateWasAttempted = true;

								$gd_image = @$ImageCreateFromFunctionName($filename);

							} else {

								$this->DebugMessage('NOT calling '.$ImageCreateFromFunctionName.'('.$filename.') because !function_exists('.$ImageCreateFromFunctionName.')', __FILE__, __LINE__);

							}

							break;



						case 4:  // SWF

						case 5:  // PSD

						case 6:  // BMP

						case 7:  // TIFF (LE)

						case 8:  // TIFF (BE)

						case 9:  // JPC

						case 10: // JP2

						case 11: // JPX

						case 12: // JB2

						case 13: // SWC

						case 14: // IFF

						case 16: // XBM

							$this->DebugMessage('No built-in image creation function for image type "'.@$getimagesizeinfo[2].'" ($getimagesizeinfo[2])', __FILE__, __LINE__);

							break;



						default:

							$this->DebugMessage('Unknown value for $getimagesizeinfo[2]: "'.@$getimagesizeinfo[2].'"', __FILE__, __LINE__);

							break;

					}

				} else {

					$this->DebugMessage('image is '.$getimagesizeinfo[0].'x'.$getimagesizeinfo[1].' and therefore contains more pixels ('.($getimagesizeinfo[0] * $getimagesizeinfo[1]).') than $this->config_max_source_pixels setting ('.$this->config_max_source_pixels.')', __FILE__, __LINE__);

				}

			}

		} else {

			$this->DebugMessage('empty $filename or GetImageSize('.$filename.') failed', __FILE__, __LINE__);

		}



		if (!$gd_image) {

			// cannot create from filename, attempt to create source image with ImageCreateFromString, if possible

			if ($ImageCreateWasAttempted) {

				$this->DebugMessage(@$ImageCreateFromFunctionName.'() was attempted but FAILED', __FILE__, __LINE__);

			}

			$this->DebugMessage('Populating $rawimagedata', __FILE__, __LINE__);

			$rawimagedata = '';

			if ($fp = @fopen($filename, 'rb')) {

				$filesize = filesize($filename);

				$blocksize = 8192;

				$blockreads = ceil($filesize / $blocksize);

				for ($i = 0; $i < $blockreads; $i++) {

					$rawimagedata .= fread($fp, $blocksize);

				}

				fclose($fp);

			} else {

				$this->DebugMessage('cannot fopen('.$filename.')', __FILE__, __LINE__);

			}

			if ($rawimagedata) {

				$this->DebugMessage('attempting ImageCreateFromStringReplacement($rawimagedata ('.strlen($rawimagedata).' bytes), true)', __FILE__, __LINE__);

				$gd_image = $this->ImageCreateFromStringReplacement($rawimagedata, true);

			}

		}

		return $gd_image;

	}



	function SourceImageToGD() {

		if (is_resource($this->gdimg_source)) {

			$this->source_width  = ImageSX($this->gdimg_source);

			$this->source_height = ImageSY($this->gdimg_source);

			$this->DebugMessage('skipping SourceImageToGD() because $this->gdimg_source is already a resource ('.$this->source_width.'x'.$this->source_height.')', __FILE__, __LINE__);

			return true;

		}

		$this->DebugMessage('starting SourceImageToGD()', __FILE__, __LINE__);

		while (true) {

			if (!$this->exif_thumbnail_data) {

				$this->DebugMessage('Not using EXIF thumbnail data because $this->exif_thumbnail_data is empty', __FILE__, __LINE__);

				break;

			}

			if (ini_get('safe_mode')) {

				if (($this->config_max_source_pixels > 0) && (($this->source_width * $this->source_height) > $this->config_max_source_pixels)) {

					$this->DebugMessage('Using EXIF thumbnail data because source image too large and safe_mode enabled', __FILE__, __LINE__);

					$this->aoe = true;

				} else {

					break;

				}

			} else {

				if (!$this->config_use_exif_thumbnail_for_speed) {

					$this->DebugMessage('Not using EXIF thumbnail data because $this->config_use_exif_thumbnail_for_speed is FALSE', __FILE__, __LINE__);

					break;

				}

				if (($this->thumbnailCropX != 0) || ($this->thumbnailCropY != 0)) {

					$this->DebugMessage('Not using EXIF thumbnail data because source cropping is enabled ('.$this->thumbnailCropX.','.$this->thumbnailCropY.')', __FILE__, __LINE__);

					break;

				}

				if (($this->w > $this->exif_thumbnail_width) || ($this->h > $this->exif_thumbnail_height)) {

					$this->DebugMessage('Not using EXIF thumbnail data because EXIF thumbnail is too small ('.$this->exif_thumbnail_width.'x'.$this->exif_thumbnail_height.' vs '.$this->w.'x'.$this->h.')', __FILE__, __LINE__);

					break;

				}

				$source_ar = $this->source_width / $this->source_height;

				$exif_ar   = $this->exif_thumbnail_width / $this->exif_thumbnail_height;

				if (number_format($source_ar, 2) != number_format($exif_ar, 2)) {

					$this->DebugMessage('not using EXIF thumbnail because $source_ar != $exif_ar ('.$source_ar.' != '.$exif_ar.')', __FILE__, __LINE__);

					break;

				}

			}



			// EXIF thumbnail exists, and is equal to or larger than destination thumbnail, and will be use as source image

			$this->DebugMessage('Trying to use EXIF thumbnail as source image', __FILE__, __LINE__);



			if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {



				$this->DebugMessage('Successfully using EXIF thumbnail as source image', __FILE__, __LINE__);

				$this->gdimg_source   = $gdimg_exif_temp;

				$this->source_width   = $this->exif_thumbnail_width;

				$this->source_height  = $this->exif_thumbnail_height;

				$this->thumbnailCropW = $this->source_width;

				$this->thumbnailCropH = $this->source_height;

				return true;



			} else {

				$this->DebugMessage('$this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false) failed', __FILE__, __LINE__);

			}



			break;

		}

		if (!$this->gdimg_source) {



			if ($this->md5s && ($this->md5s != phpthumb_functions::md5_file_safe($this->sourceFilename))) {

				return $this->ErrorImage('$this->md5s != md5($rawimagedata)'."\n".'"'.$this->md5s.'" != '."\n".'"'.phpthumb_functions::md5_file_safe($this->sourceFilename).'"');

			}

			switch (@$this->getimagesizeinfo[2]) {

				case 1:

				case 3:

					// GIF or PNG input file may have transparency

					$this->is_alpha = true;

					break;

			}



			//$this->gdimg_source = $this->ImageCreateFromFilename($this->sourceFilename, $this->rawImageData);

			$this->gdimg_source = $this->ImageCreateFromFilename($this->sourceFilename);



			//if ($this->md5s && ($this->md5s != md5($this->rawImageData))) {

			//	return $this->ErrorImage('$this->md5s != md5($this->rawImageData)'."\n".'"'.$this->md5s.'" != '."\n".'"'.md5($this->rawImageData).'"');

			//}



			if (!$this->gdimg_source) {

				$this->DebugMessage('$this->gdimg_source is still empty', __FILE__, __LINE__);



				if ($this->ImageMagickThumbnailToGD()) {



					// excellent, we have a thumbnailed source image

					$this->DebugMessage('ImageMagickThumbnailToGD() succeeded', __FILE__, __LINE__);



				} else {



					$this->DebugMessage('ImageMagickThumbnailToGD() failed', __FILE__, __LINE__);



					$imageHeader = '';

					$gd_info = gd_info();

					$GDreadSupport = false;

					//switch (substr($this->rawImageData, 0, 3)) {

					//	case 'GIF':

					//		$imageHeader = 'Content-Type: image/gif';

					//		$GDreadSupport = (bool) @$gd_info['GIF Read Support'];

					//		break;

					//	case "\xFF\xD8\xFF":

					//		$imageHeader = 'Content-Type: image/jpeg';

					//		$GDreadSupport = (bool) @$gd_info['JPG Support'];

					//		break;

					//	case "\x89".'PN':

					//		$imageHeader = 'Content-Type: image/png';

					//		$GDreadSupport = (bool) @$gd_info['PNG Support'];

					//		break;

					//}

					switch (@$this->getimagesizeinfo[2]) {

						case 1:

							$imageHeader = 'Content-Type: image/gif';

							$GDreadSupport = (bool) @$gd_info['GIF Read Support'];

							break;

						case 2:

							$imageHeader = 'Content-Type: image/jpeg';

							$GDreadSupport = (bool) @$gd_info['JPG Support'];

							break;

						case 3:

							$imageHeader = 'Content-Type: image/png';

							$GDreadSupport = (bool) @$gd_info['PNG Support'];

							break;

					}

					if ($imageHeader) {

						// cannot create image for whatever reason (maybe ImageCreateFromJPEG et al are not available?)

						// and ImageMagick is not available either, no choice but to output original (not resized/modified) data and exit

						if ($this->config_error_die_on_source_failure) {

							$this->ErrorImage('All attempts to create GD image source failed ('.(ini_get('safe_mode') ? 'Safe Mode enabled, ImageMagick unavailable and source image probably too large for GD': ($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "'.$imageHeader.'"')).'), cannot generate thumbnail');

						} else {

							//$this->DebugMessage('All attempts to create GD image source failed ('.($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "'.$imageHeader.'"').'), outputing raw image', __FILE__, __LINE__);

							//if (!$this->phpThumbDebug) {

							//	header($imageHeader);

							//	echo $this->rawImageData;

							//	exit;

							//}

							return false;

						}

					}



					//switch (substr($this->rawImageData, 0, 2)) {

					//	case 'BM':

					switch (@$this->getimagesizeinfo[2]) {

						case 6:

							ob_start();

							if (!@include_once(dirname(__FILE__).'/phpthumb.bmp.php')) {

								ob_end_clean();

								return $this->ErrorImage('include_once('.dirname(__FILE__).'/phpthumb.bmp.php) failed');

							}

							ob_end_clean();

							if ($fp = @fopen($this->sourceFilename, 'rb')) {

								$this->rawImageData = '';

								while (!feof($fp)) {

									$this->rawImageData .= fread($fp, 32768);

								}

								fclose($fp);

							}

							$phpthumb_bmp = new phpthumb_bmp();

							if ($this->gdimg_source = $phpthumb_bmp->phpthumb_bmp2gd($this->rawImageData, (phpthumb_functions::gd_version() >= 2.0))) {

								$this->DebugMessage('$phpthumb_bmp->phpthumb_bmp2gd() succeeded', __FILE__, __LINE__);

								break;

							}

							return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on BMP source conversion' : 'phpthumb_bmp2gd() failed');

							break;

					//}

					//switch (substr($this->rawImageData, 0, 4)) {

					//	case 'II'."\x2A\x00":

					//	case 'MM'."\x00\x2A":

						case 7:

						case 8:

							return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on TIFF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support TIFF source images without it');

							break;



						//case "\xD7\xCD\xC6\x9A":

						//	return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on WMF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support WMF source images without it');

						//	break;

					}



					if (!$this->gdimg_source) {

						$HeaderFourBytes = '';

						if ($fp = @fopen($this->sourceFilename, 'rb')) {

							$HeaderFourBytes = fread($fp, 4);

							fclose($fp);

						}

						if ($HeaderFourBytes == "\xD7\xCD\xC6\x9A") {

							return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on WMF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support WMF source images without it');

						}

						return $this->ErrorImage('Unknown image type identified by "'.substr($HeaderFourBytes, 0, 4).'" ('.phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)).') in SourceImageToGD()');

					}



				}

			}

		}

		if (!$this->gdimg_source) {

			if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {

				$this->DebugMessage('All other attempts failed, but successfully using EXIF thumbnail as source image', __FILE__, __LINE__);

				$this->gdimg_source   = $gdimg_exif_temp;

				// override allow-enlarging setting if EXIF thumbnail is the only source available

				// otherwise thumbnails larger than the EXIF thumbnail will be created at EXIF size

				$this->aoe = true;

				return true;

			}

			return false;

		}

		$this->source_width  = ImageSX($this->gdimg_source);

		$this->source_height = ImageSY($this->gdimg_source);

		return true;

	}





	function phpThumbDebugVarDump($var) {

		if (is_null($var)) {

			return 'NULL';

		} elseif (is_bool($var)) {

			return ($var ? 'TRUE' : 'FALSE');

		} elseif (is_string($var)) {

			return 'string('.strlen($var).')'.str_repeat(' ', max(0, 3 - strlen(strlen($var)))).' "'.$var.'"';

		} elseif (is_int($var)) {

			return 'integer     '.$var;

		} elseif (is_float($var)) {

			return 'float       '.$var;

		} elseif (is_array($var)) {

			ob_start();

			var_dump($var);

			$vardumpoutput = ob_get_contents();

			ob_end_clean();

			return strtr($vardumpoutput, "\n\r\t", '   ');

		}

		return gettype($var);

	}



	function phpThumbDebug() {

		if ($this->config_disable_debug) {

			return $this->ErrorImage('phpThumbDebug disabled');

		}



		$FunctionsExistance  = array('exif_thumbnail', 'gd_info', 'image_type_to_mime_type', 'ImageCopyResampled', 'ImageCopyResized', 'ImageCreate', 'ImageCreateFromString', 'ImageCreateTrueColor', 'ImageIsTrueColor', 'ImageRotate', 'ImageTypes', 'version_compare', 'ImageCreateFromGIF', 'ImageCreateFromJPEG', 'ImageCreateFromPNG', 'ImageCreateFromWBMP', 'ImageCreateFromXBM', 'ImageCreateFromXPM', 'ImageCreateFromString', 'ImageCreateFromGD', 'ImageCreateFromGD2', 'ImageCreateFromGD2Part', 'ImageJPEG', 'ImageGIF', 'ImagePNG', 'ImageWBMP');

		$ParameterNames      = array('src', 'new', 'w', 'h', 'f', 'q', 'sx', 'sy', 'sw', 'sh', 'far', 'bg', 'bc', 'file', 'goto', 'err', 'xto', 'ra', 'ar', 'aoe', 'iar', 'maxb');

		$ConfigVariableNames = array('document_root', 'temp_directory', 'output_format', 'output_maxwidth', 'output_maxheight', 'error_message_image_default', 'error_bgcolor', 'error_textcolor', 'error_fontsize', 'error_die_on_error', 'error_silent_die_on_error', 'error_die_on_source_failure', 'nohotlink_enabled', 'nohotlink_valid_domains', 'nohotlink_erase_image', 'nohotlink_text_message', 'nooffsitelink_enabled', 'nooffsitelink_valid_domains', 'nooffsitelink_require_refer', 'nooffsitelink_erase_image', 'nooffsitelink_text_message', 'high_security_enabled', 'allow_src_above_docroot', 'allow_src_above_phpthumb', 'allow_parameter_file', 'allow_parameter_goto', 'max_source_pixels', 'use_exif_thumbnail_for_speed', 'border_hexcolor', 'background_hexcolor', 'ttf_directory', 'disable_pathinfo_parsing', 'disable_imagecopyresampled');

		$OtherVariableNames  = array('phpThumbDebug', 'thumbnailQuality', 'thumbnailFormat', 'gdimg_output', 'gdimg_source', 'sourceFilename', 'source_width', 'source_height', 'thumbnailCropX', 'thumbnailCropY', 'thumbnailCropW', 'thumbnailCropH', 'exif_thumbnail_width', 'exif_thumbnail_height', 'exif_thumbnail_type', 'thumbnail_width', 'thumbnail_height', 'thumbnail_image_width', 'thumbnail_image_height');



		$DebugOutput = array();

		$DebugOutput[] = 'phpThumb() version          = '.$this->phpthumb_version;

		$DebugOutput[] = 'phpversion()                = '.@phpversion();

		$DebugOutput[] = 'PHP_OS                      = '.PHP_OS;

		$DebugOutput[] = '__FILE__                    = '.__FILE__;

		$DebugOutput[] = 'realpath(.)                 = '.@realpath('.');

		$DebugOutput[] = '$_SERVER[PHP_SELF]          = '.@$_SERVER['PHP_SELF'];

		$DebugOutput[] = '$_SERVER[HOST_NAME]         = '.@$_SERVER['HOST_NAME'];

		$DebugOutput[] = '$_SERVER[HTTP_REFERER]      = '.@$_SERVER['HTTP_REFERER'];

		$DebugOutput[] = '$_SERVER[QUERY_STRING]      = '.@$_SERVER['QUERY_STRING'];

		$DebugOutput[] = '$_SERVER[PATH_INFO]         = '.@$_SERVER['PATH_INFO'];

		$DebugOutput[] = '$_SERVER[DOCUMENT_ROOT]     = '.@$_SERVER['DOCUMENT_ROOT'];

		$DebugOutput[] = 'getenv(DOCUMENT_ROOT)       = '.@getenv('DOCUMENT_ROOT');

		$DebugOutput[] = '';



		$DebugOutput[] = 'get_magic_quotes_gpc()      = '.$this->phpThumbDebugVarDump(@get_magic_quotes_gpc());

		$DebugOutput[] = 'get_magic_quotes_runtime()  = '.$this->phpThumbDebugVarDump(@get_magic_quotes_runtime());

		$DebugOutput[] = 'error_reporting()           = '.$this->phpThumbDebugVarDump(error_reporting());

		$DebugOutput[] = 'ini_get(error_reporting)    = '.$this->phpThumbDebugVarDump(@ini_get('error_reporting'));

		$DebugOutput[] = 'ini_get(display_errors)     = '.$this->phpThumbDebugVarDump(@ini_get('display_errors'));

		$DebugOutput[] = 'ini_get(allow_url_fopen)    = '.$this->phpThumbDebugVarDump(@ini_get('allow_url_fopen'));

		$DebugOutput[] = 'ini_get(disable_functions)  = '.$this->phpThumbDebugVarDump(@ini_get('disable_functions'));

		$DebugOutput[] = 'ini_get(safe_mode)          = '.$this->phpThumbDebugVarDump(@ini_get('safe_mode'));

		$DebugOutput[] = 'ini_get(open_basedir)       = '.$this->phpThumbDebugVarDump(@ini_get('open_basedir'));

		$DebugOutput[] = 'ini_get(memory_limit)       = '.$this->phpThumbDebugVarDump(@ini_get('memory_limit'));

		$DebugOutput[] = 'ini_get(max_execution_time) = '.$this->phpThumbDebugVarDump(@ini_get('max_execution_time'));

		$DebugOutput[] = 'get_cfg_var(memory_limit)   = '.$this->phpThumbDebugVarDump(@get_cfg_var('memory_limit'));

		$DebugOutput[] = 'memory_get_usage()          = '.(function_exists('memory_get_usage') ? $this->phpThumbDebugVarDump(@memory_get_usage()) : 'n/a');

		$DebugOutput[] = '';



		$DebugOutput[] = '$this->config_prefer_imagemagick            = '.$this->phpThumbDebugVarDump($this->config_prefer_imagemagick);

		$DebugOutput[] = '$this->config_imagemagick_path              = '.$this->phpThumbDebugVarDump($this->config_imagemagick_path);

		$DebugOutput[] = '$this->ImageMagickWhichConvert()            = '.$this->ImageMagickWhichConvert();

		$IMpathUsed = ($this->config_imagemagick_path ? $this->config_imagemagick_path : $this->ImageMagickWhichConvert());

		$DebugOutput[] = '[actual ImageMagick path used]              = '.$this->phpThumbDebugVarDump($IMpathUsed);

		$DebugOutput[] = 'file_exists([actual ImageMagick path used]) = '.$this->phpThumbDebugVarDump(@file_exists($IMpathUsed));

		$DebugOutput[] = 'ImageMagickVersion(false)                   = '.$this->ImageMagickVersion(false);

		$DebugOutput[] = 'ImageMagickVersion(true)                    = '.$this->ImageMagickVersion(true);

		$DebugOutput[] = '';



		$DebugOutput[] = '$this->config_cache_directory               = '.$this->phpThumbDebugVarDump($this->config_cache_directory);

		$DebugOutput[] = '$this->config_cache_disable_warning         = '.$this->phpThumbDebugVarDump($this->config_cache_disable_warning);

		$DebugOutput[] = '$this->config_cache_maxage                  = '.$this->phpThumbDebugVarDump($this->config_cache_maxage);

		$DebugOutput[] = '$this->config_cache_maxsize                 = '.$this->phpThumbDebugVarDump($this->config_cache_maxsize);

		$DebugOutput[] = '$this->config_cache_maxfiles                = '.$this->phpThumbDebugVarDump($this->config_cache_maxfiles);

		$DebugOutput[] = '$this->config_cache_force_passthru          = '.$this->phpThumbDebugVarDump($this->config_cache_force_passthru);

		$DebugOutput[] = '$this->cache_filename                       = '.$this->phpThumbDebugVarDump($this->cache_filename);

		$DebugOutput[] = 'is_readable($this->config_cache_directory)  = '.$this->phpThumbDebugVarDump(@is_readable($this->config_cache_directory));

		$DebugOutput[] = 'is_writable($this->config_cache_directory)  = '.$this->phpThumbDebugVarDump(@is_writable($this->config_cache_directory));

		$DebugOutput[] = 'is_readable($this->cache_filename)          = '.$this->phpThumbDebugVarDump(@is_readable($this->cache_filename));

		$DebugOutput[] = 'is_writable($this->cache_filename)          = '.(@file_exists($this->cache_filename) ? $this->phpThumbDebugVarDump(@is_writable($this->cache_filename)) : 'n/a');

		$DebugOutput[] = '';



		foreach ($ConfigVariableNames as $dummy => $varname) {

			$varname = 'config_'.$varname;

			$value = $this->$varname;

			$DebugOutput[] = '$this->'.str_pad($varname, 37, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);

		}

		$DebugOutput[] = '';

		foreach ($OtherVariableNames as $dummy => $varname) {

			$value = $this->$varname;

			$DebugOutput[] = '$this->'.str_pad($varname, 27, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);

		}

		$DebugOutput[] = 'strlen($this->rawImageData)        = '.strlen(@$this->rawImageData);

		$DebugOutput[] = 'strlen($this->exif_thumbnail_data) = '.strlen(@$this->exif_thumbnail_data);

		$DebugOutput[] = '';



		foreach ($ParameterNames as $dummy => $varname) {

			$value = $this->$varname;

			$DebugOutput[] = '$this->'.str_pad($varname, 4, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);

		}

		$DebugOutput[] = '';



		foreach ($FunctionsExistance as $dummy => $functionname) {

			$DebugOutput[] = 'builtin_function_exists('.$functionname.')'.str_repeat(' ', 23 - strlen($functionname)).' = '.$this->phpThumbDebugVarDump(phpthumb_functions::builtin_function_exists($functionname));

		}

		$DebugOutput[] = '';



		$gd_info = gd_info();

		foreach ($gd_info as $key => $value) {

			$DebugOutput[] = 'gd_info.'.str_pad($key, 34, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);

		}

		$DebugOutput[] = '';



		$exif_info = phpthumb_functions::exif_info();

		foreach ($exif_info as $key => $value) {

			$DebugOutput[] = 'exif_info.'.str_pad($key, 26, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);

		}

		$DebugOutput[] = '';



		if ($ApacheLookupURIarray = phpthumb_functions::ApacheLookupURIarray(dirname(@$_SERVER['PHP_SELF']))) {

			foreach ($ApacheLookupURIarray as $key => $value) {

				$DebugOutput[] = 'ApacheLookupURIarray.'.str_pad($key, 15, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);

			}

		} else {

				$DebugOutput[] = 'ApacheLookupURIarray() -- FAILED';

		}

		$DebugOutput[] = '';



		if (isset($_GET) && is_array($_GET)) {

			foreach ($_GET as $key => $value) {

				$DebugOutput[] = '$_GET['.$key.']'.str_repeat(' ', 30 - strlen($key)).'= '.$this->phpThumbDebugVarDump($value);

			}

		}

		if (isset($_POST) && is_array($_POST)) {

			foreach ($_POST as $key => $value) {

				$DebugOutput[] = '$_POST['.$key.']'.str_repeat(' ', 29 - strlen($key)).'= '.$this->phpThumbDebugVarDump($value);

			}

		}

		$DebugOutput[] = '';



		$DebugOutput[] = '$this->debugmessages:';

		foreach ($this->debugmessages as $dummy => $errorstring) {

			$DebugOutput[] = '  * '.$errorstring;

		}

		$DebugOutput[] = '';



		$DebugOutput[] = '$this->debugtiming:';

		foreach ($this->debugtiming as $timestamp => $timingstring) {

			$DebugOutput[] = '  * '.$timestamp.' '.$timingstring;

		}

		$DebugOutput[] = '  * Total processing time: '.number_format(max(array_keys($this->debugtiming)) - min(array_keys($this->debugtiming)), 6);



		return $this->ErrorImage(implode("\n", $DebugOutput), 700, 500, true);

	}



	function ErrorImage($text, $width=0, $height=0, $forcedisplay=false) {

		$width  = ($width  ? $width  : $this->config_error_image_width);

		$height = ($height ? $height : $this->config_error_image_height);



		$text = 'phpThumb() v'.$this->phpthumb_version."\n\n".$text;

		if ($this->config_disable_debug) {

			$text = 'Error messages disabled';

		}



		$this->DebugMessage($text, __FILE__, __LINE__);

		if ($this->phpThumbDebug && !$forcedisplay) {

			return false;

		}

		if (!$this->config_error_die_on_error && !$forcedisplay) {

			$this->fatalerror = $text;

			return false;

		}

		if ($this->config_error_silent_die_on_error) {

			exit;

		}

		if ($this->err || $this->config_error_message_image_default) {

			// Show generic custom error image instead of error message

			// for use on production sites where you don't want debug messages

			if ($this->err == 'showerror') {

				// fall through and actually show error message even if default error image is set

			} else {

				header('Location: '.($this->err ? $this->err : $this->config_error_message_image_default));

				exit;

			}

		}

		$this->setOutputFormat();

		if (!$this->thumbnailFormat || (phpthumb_functions::gd_version() < 1)) {

			$this->thumbnailFormat = 'text';

		}

		if (@$this->thumbnailFormat == 'text') {

			// bypass all GD functions and output text error message

			die('<pre>'.$text.'</pre>');

		}



		$FontWidth  = ImageFontWidth($this->config_error_fontsize);

		$FontHeight = ImageFontHeight($this->config_error_fontsize);



		$LinesOfText = explode("\n", @wordwrap($text, floor($width / $FontWidth), "\n", true));

		$height = max($height, count($LinesOfText) * $FontHeight);



		$headers_file = '';

		$headers_line = '';

		if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.0', '>=') && headers_sent($headers_file, $headers_line)) {



			echo "\n".'**Headers already sent in file "'.$headers_file.'" on line "'.$headers_line.'", dumping error message as text:**<br><pre>'."\n\n".$text."\n".'</pre>';



		} elseif (headers_sent()) {



			echo "\n".'**Headers already sent, dumping error message as text:**<br><pre>'."\n\n".$text."\n".'</pre>';



		} elseif ($gdimg_error = ImageCreate($width, $height)) {



			$background_color = phpthumb_functions::ImageHexColorAllocate($gdimg_error, $this->config_error_bgcolor,   true);

			$text_color       = phpthumb_functions::ImageHexColorAllocate($gdimg_error, $this->config_error_textcolor, true);

			ImageFilledRectangle($gdimg_error, 0, 0, $width, $height, $background_color);

			$lineYoffset = 0;

			foreach ($LinesOfText as $dummy => $line) {

				ImageString($gdimg_error, $this->config_error_fontsize, 2, $lineYoffset, $line, $text_color);

				$lineYoffset += $FontHeight;

			}

			if (function_exists('ImageTypes')) {

				$imagetypes = ImageTypes();

				if ($imagetypes & IMG_PNG) {

					header('Content-Type: image/png');

					ImagePNG($gdimg_error);

				} elseif ($imagetypes & IMG_GIF) {

					header('Content-Type: image/gif');

					ImageGIF($gdimg_error);

				} elseif ($imagetypes & IMG_JPG) {

					header('Content-Type: image/jpeg');

					ImageJPEG($gdimg_error);

				} elseif ($imagetypes & IMG_WBMP) {

					header('Content-Type: image/wbmp');

					ImageWBMP($gdimg_error);

				}

			}

			ImageDestroy($gdimg_error);



		}

		if (!headers_sent()) {

			echo "\n".'**Failed to send graphical error image, dumping error message as text:**<br>'."\n\n".$text;

		}

		exit;

		return true;

	}



	function ImageCreateFromStringReplacement(&$RawImageData, $DieOnErrors=false) {

		// there are serious bugs in the non-bundled versions of GD which may cause

		// PHP to segfault when calling ImageCreateFromString() - avoid if at all possible

		// when not using a bundled version of GD2

		if (phpthumb_functions::gd_is_bundled()) {

			return @ImageCreateFromString($RawImageData);

		}

		if (ini_get('safe_mode')) {

			$this->DebugMessage('ImageCreateFromStringReplacement() failed: cannot create temp file in SAFE_MODE', __FILE__, __LINE__);

			return false;

		}



		switch (substr($RawImageData, 0, 3)) {

			case 'GIF':

				$ICFSreplacementFunctionName = 'ImageCreateFromGIF';

				break;

			case "\xFF\xD8\xFF":

				$ICFSreplacementFunctionName = 'ImageCreateFromJPEG';

				break;

			case "\x89".'PN':

				$ICFSreplacementFunctionName = 'ImageCreateFromPNG';

				break;

			default:

				$this->DebugMessage('ImageCreateFromStringReplacement() failed: unknown fileformat signature "'.phpthumb_functions::HexCharDisplay(substr($RawImageData, 0, 3)).'"', __FILE__, __LINE__);

				return false;

				break;

		}

		if ($tempnam = $this->phpThumb_tempnam()) {

			if ($fp_tempnam = @fopen($tempnam, 'wb')) {

				fwrite($fp_tempnam, $RawImageData);

				fclose($fp_tempnam);

				if (($ICFSreplacementFunctionName == 'ImageCreateFromGIF') && !function_exists($ICFSreplacementFunctionName)) {



					// Need to create from GIF file, but ImageCreateFromGIF does not exist

					ob_start();

					if (!@include_once(dirname(__FILE__).'/phpthumb.gif.php')) {

						$ErrorMessage = 'Failed to include required file "'.dirname(__FILE__).'/phpthumb.gif.php" in '.__FILE__.' on line '.__LINE__;

						$this->DebugMessage($ErrorMessage, __FILE__, __LINE__);

					}

					ob_end_clean();

					// gif_loadFileToGDimageResource() cannot read from raw data, write to file first

					if ($tempfilename = $this->phpThumb_tempnam()) {

						if ($fp_tempfile = @fopen($tempfilename, 'wb')) {

							fwrite($fp_tempfile, $RawImageData);

							fclose($fp_tempfile);

							$gdimg_source = gif_loadFileToGDimageResource($tempfilename);

							unlink($tempfilename);

							return $gdimg_source;

							break;

						} else {

							$ErrorMessage = 'Failed to open tempfile in '.__FILE__.' on line '.__LINE__;

							$this->DebugMessage($ErrorMessage, __FILE__, __LINE__);

						}

					} else {

						$ErrorMessage = 'Failed to open generate tempfile name in '.__FILE__.' on line '.__LINE__;

						$this->DebugMessage($ErrorMessage, __FILE__, __LINE__);

					}



				} elseif (function_exists($ICFSreplacementFunctionName) && ($gdimg_source = @$ICFSreplacementFunctionName($tempnam))) {



					// great

					unlink($tempnam);

					return $gdimg_source;



				} else { // GD functions not available



					if (isset($_GET['phpThumbDebug'])) {

						$this->phpThumbDebug();

					} elseif (!headers_sent()) {

						// base64-encoded error image in GIF format

						$ERROR_NOGD = 'R0lGODlhIAAgALMAAAAAABQUFCQkJDY2NkZGRldXV2ZmZnJycoaGhpSUlKWlpbe3t8XFxdXV1eTk5P7+/iwAAAAAIAAgAAAE/vDJSau9WILtTAACUinDNijZtAHfCojS4W5H+qxD8xibIDE9h0OwWaRWDIljJSkUJYsN4bihMB8th3IToAKs1VtYM75cyV8sZ8vygtOE5yMKmGbO4jRdICQCjHdlZzwzNW4qZSQmKDaNjhUMBX4BBAlmMywFSRWEmAI6b5gAlhNxokGhooAIK5o/pi9vEw4Lfj4OLTAUpj6IabMtCwlSFw0DCKBoFqwAB04AjI54PyZ+yY3TD0ss2YcVmN/gvpcu4TOyFivWqYJlbAHPpOntvxNAACcmGHjZzAZqzSzcq5fNjxFmAFw9iFRunD1epU6tsIPmFCAJnWYE0FURk7wJDA0MTKpEzoWAAskiAAA7';

						header('Content-Type: image/gif');

						echo base64_decode($ERROR_NOGD);

					} else {

						echo '*** ERROR: No PHP-GD support available ***';

					}

					exit;



				}

			} else {

				$ErrorMessage = 'Failed to fopen('.$tempnam.', "wb") in '.__FILE__.' on line '.__LINE__."\n".'You may need to set $PHPTHUMB_CONFIG[temp_directory] in phpThumb.config.php';

				$this->DebugMessage($ErrorMessage, __FILE__, __LINE__);

			}

			@unlink($tempnam);

		} else {

			$ErrorMessage = 'Failed to generate phpThumb_tempnam() in '.__FILE__.' on line '.__LINE__."\n".'You may need to set $PHPTHUMB_CONFIG[temp_directory] in phpThumb.config.php';

		}

		if ($DieOnErrors && $ErrorMessage) {

			return $this->ErrorImage($ErrorMessage);

		}

		return false;

	}



	function ImageResizeFunction(&$dst_im, &$src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH) {

		$this->DebugMessage('ImageResizeFunction($o, $s, '.$dstX.', '.$dstY.', '.$srcX.', '.$srcY.', '.$dstW.', '.$dstH.', '.$srcW.', '.$srcH.')', __FILE__, __LINE__);

		if (phpthumb_functions::gd_version() >= 2.0) {

			if ($this->config_disable_imagecopyresampled) {

				return phpthumb_functions::ImageCopyResampleBicubic($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);

			}

			return ImageCopyResampled($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);

		}

		return ImageCopyResized($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);

	}



	function phpThumb_tempnam() {

		$tempnam = realpath(tempnam($this->config_temp_directory, 'pThumb'));

		$this->DebugMessage('phpThumb_tempnam() returning "'.$tempnam.'"', __FILE__, __LINE__);

		return $tempnam;

	}



	function DebugMessage($message, $file='', $line='') {

		$this->debugmessages[] = $message.($file ? ' in file "'.(basename($file) ? basename($file) : $file).'"' : '').($line ? ' on line '.$line : '');

		return true;

	}



	function DebugTimingMessage($message, $file='', $line='', $timestamp=0) {

		if (!$timestamp) {

			$timestamp = array_sum(explode(' ', microtime()));

		}

		$this->debugtiming[number_format($timestamp, 6, '.', '')] = ': '.$message.($file ? ' in file "'.(basename($file) ? basename($file) : $file).'"' : '').($line ? ' on line '.$line : '');

		return true;

	}



}



?>