File Source for phpthumb.class.php

<?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; // output image 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 $sfn = 0; // Source Frame Number
var $dpi = 150; // Dots Per Inch for vector source formats
var $sia = null; // Save Image As filename
var $file = null; // >>>deprecated, DO NOT USE, will be removed in future versions<<<
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_directory_depth = 0;
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_watermark_src = '';
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 = './fonts';
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_imagemagick_use_thumbnail = 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;
// * HTTP fopen
var $config_http_fopen_timeout = 10;
var $config_http_follow_redirect = true;
// * 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; persistant)
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 = '1.7.8-200709161750';
//////////////////////////////////////////////////////////////////////
// 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');
$this->config_document_root = (@$_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) {
//$this->resetObject();
//$this->rawImageData = null;
$this->sourceFilename = $sourceFilename;
$this->src = $sourceFilename;
if (is_null($this->config_output_format)) {
$sourceFileExtension = strtolower(substr(strrchr($sourceFilename, '.'), 1));
if (ereg('^[a-z]{3,4}$', $sourceFileExtension)) {
$this->config_output_format = $sourceFileExtension;
$this->DebugMessage('setSourceFilename('.$sourceFilename.') set $this->config_output_format to "'.$sourceFileExtension.'"', __FILE__, __LINE__);
} else {
$this->DebugMessage('setSourceFilename('.$sourceFilename.') did NOT set $this->config_output_format to "'.$sourceFileExtension.'" because it did not seem like an appropriate image format', __FILE__, __LINE__);
}
}
$this->DebugMessage('setSourceFilename('.$sourceFilename.') set $this->sourceFilename to "'.$this->sourceFilename.'"', __FILE__, __LINE__);
return true;
}
// public:
function setSourceData($rawImageData, $sourceFilename='') {
//$this->resetObject();
//$this->sourceFilename = null;
$this->rawImageData = $rawImageData;
$this->DebugMessage('setSourceData() setting $this->rawImageData ('.strlen($this->rawImageData).' bytes; magic="'.substr($this->rawImageData, 0, 4).'" ('.phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)).'))', __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->resetObject();
$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->phpThumbDebug('8a');
$this->ResolveSource();
$this->phpThumbDebug('8b');
$this->SetCacheFilename();
$this->phpThumbDebug('8c');
$this->ExtractEXIFgetImageSize();
$this->phpThumbDebug('8d');
if ($this->useRawIMoutput) {
$this->DebugMessage('Skipping rest of GenerateThumbnail() because $this->useRawIMoutput', __FILE__, __LINE__);
return true;
}
$this->phpThumbDebug('8e');
if (!$this->SourceImageToGD()) {
$this->DebugMessage('SourceImageToGD() failed', __FILE__, __LINE__);
return false;
}
$this->phpThumbDebug('8f');
$this->Rotate();
$this->phpThumbDebug('8g');
$this->CreateGDoutput();
$this->phpThumbDebug('8h');
switch ($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->phpThumbDebug('8i');
$this->AntiOffsiteLinking();
$this->phpThumbDebug('8j');
$this->ApplyFilters();
$this->phpThumbDebug('8k');
$this->AlphaChannelFlatten();
$this->phpThumbDebug('8l');
$this->MaxFileSize();
$this->phpThumbDebug('8m');
$this->DebugMessage('GenerateThumbnail() completed successfully', __FILE__, __LINE__);
return true;
}
// public:
function RenderOutput() {
if (!$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;
}
$builtin_formats = array();
if (function_exists('ImageTypes')) {
$imagetypes = ImageTypes();
$builtin_formats['wbmp'] = (bool) ($imagetypes & IMG_WBMP);
$builtin_formats['jpg'] = (bool) ($imagetypes & IMG_JPG);
$builtin_formats['gif'] = (bool) ($imagetypes & IMG_GIF);
$builtin_formats['png'] = (bool) ($imagetypes & IMG_PNG);
}
$this->DebugMessage('RenderOutput() attempting Image'.strtoupper(@$this->thumbnailFormat).'($this->gdimg_output)', __FILE__, __LINE__);
ob_start();
switch ($this->thumbnailFormat) {
case 'wbmp':
if (!@$builtin_formats['wbmp']) {
$this->DebugMessage('GD does not have required built-in support for WBMP output', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ImageJPEG($this->gdimg_output, null, $this->thumbnailQuality);
$this->outputImageData = ob_get_contents();
break;
case 'jpeg':
case 'jpg': // should be "jpeg" not "jpg" but just in case...
if (!@$builtin_formats['jpg']) {
$this->DebugMessage('GD does not have required built-in support for JPEG output', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ImageJPEG($this->gdimg_output, null, $this->thumbnailQuality);
$this->outputImageData = ob_get_contents();
break;
case 'png':
if (!@$builtin_formats['png']) {
$this->DebugMessage('GD does not have required built-in support for PNG output', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ImagePNG($this->gdimg_output);
$this->outputImageData = ob_get_contents();
break;
case 'gif':
if (!@$builtin_formats['gif']) {
$this->DebugMessage('GD does not have required built-in support for GIF output', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ImageGIF($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('RenderOutput 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;
}
// public:
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;
}
$downloadfilename = phpthumb_functions::SanitizeFilename(is_string($this->sia) ? $this->sia : ($this->down ? $this->down : 'phpThumb_generated_thumbnail'.'.'.$this->thumbnailFormat));
$this->DebugMessage('Content-Disposition header filename set to "'.$downloadfilename.'"', __FILE__, __LINE__);
if ($downloadfilename) {
header('Content-Disposition: '.($this->down ? 'attachment' : 'inline').'; 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() {
$this->DebugMessage('skipping CleanUpCacheDirectory() set to purge ('.number_format($this->config_cache_maxage / 86400, 1).' days; '.number_format($this->config_cache_maxsize / 1048576, 2).'MB; '.number_format($this->config_cache_maxfiles).' files)', __FILE__, __LINE__);
if (($this->config_cache_maxage > 0) || ($this->config_cache_maxsize > 0) || ($this->config_cache_maxfiles > 0)) {
$CacheDirOldFilesAge = array();
$CacheDirOldFilesSize = array();
$AllFilesInCacheDirectory = phpthumb_functions::GetAllFilesInSubfolders($this->config_cache_directory);
foreach ($AllFilesInCacheDirectory as $fullfilename) {
if (eregi('^phpThumb_cache_', basename($fullfilename)) && file_exists($fullfilename)) {
$CacheDirOldFilesAge[$fullfilename] = @fileatime($fullfilename);
if ($CacheDirOldFilesAge[$fullfilename] == 0) {
$CacheDirOldFilesAge[$fullfilename] = @filemtime($fullfilename);
}
$CacheDirOldFilesSize[$fullfilename] = @filesize($fullfilename);
}
}
if (empty($CacheDirOldFilesSize)) {
return true;
}
$DeletedKeys['zerobyte'] = array();
foreach ($CacheDirOldFilesSize as $fullfilename => $filesize) {
// purge all zero-size files more than an hour old (to prevent trying to delete just-created and/or in-use files)
$cutofftime = time() - 3600;
if (($filesize == 0) && ($CacheDirOldFilesAge[$fullfilename] < $cutofftime)) {
if (@unlink($fullfilename)) {
$DeletedKeys['zerobyte'][] = $fullfilename;
unset($CacheDirOldFilesSize[$fullfilename]);
unset($CacheDirOldFilesAge[$fullfilename]);
}
}
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.count($DeletedKeys['zerobyte']).' zero-byte files', __FILE__, __LINE__);
asort($CacheDirOldFilesAge);
if ($this->config_cache_maxfiles > 0) {
$TotalCachedFiles = count($CacheDirOldFilesAge);
$DeletedKeys['maxfiles'] = array();
foreach ($CacheDirOldFilesAge as $fullfilename => $filedate) {
if ($TotalCachedFiles > $this->config_cache_maxfiles) {
if (@unlink($fullfilename)) {
$TotalCachedFiles--;
$DeletedKeys['maxfiles'][] = $fullfilename;
}
} else {
// there are few enough files to keep the rest
break;
}
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.count($DeletedKeys['maxfiles']).' files based on (config_cache_maxfiles='.$this->config_cache_maxfiles.')', __FILE__, __LINE__);
foreach ($DeletedKeys['maxfiles'] as $fullfilename) {
unset($CacheDirOldFilesAge[$fullfilename]);
unset($CacheDirOldFilesSize[$fullfilename]);
}
}
if ($this->config_cache_maxage > 0) {
$mindate = time() - $this->config_cache_maxage;
$DeletedKeys['maxage'] = array();
foreach ($CacheDirOldFilesAge as $fullfilename => $filedate) {
if ($filedate > 0) {
if ($filedate < $mindate) {
if (@unlink($fullfilename)) {
$DeletedKeys['maxage'][] = $fullfilename;
}
} else {
// the rest of the files are new enough to keep
break;
}
}
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.count($DeletedKeys['maxage']).' files based on (config_cache_maxage='.$this->config_cache_maxage.')', __FILE__, __LINE__);
foreach ($DeletedKeys['maxage'] as $fullfilename) {
unset($CacheDirOldFilesAge[$fullfilename]);
unset($CacheDirOldFilesSize[$fullfilename]);
}
}
if ($this->config_cache_maxsize > 0) {
$TotalCachedFileSize = array_sum($CacheDirOldFilesSize);
$DeletedKeys['maxsize'] = array();
foreach ($CacheDirOldFilesAge as $fullfilename => $filedate) {
if ($TotalCachedFileSize > $this->config_cache_maxsize) {
if (@unlink($fullfilename)) {
$TotalCachedFileSize -= $CacheDirOldFilesSize[$fullfilename];
$DeletedKeys['maxsize'][] = $fullfilename;
}
} else {
// the total filesizes are small enough to keep the rest of the files
break;
}
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.count($DeletedKeys['maxsize']).' files based on (config_cache_maxsize='.$this->config_cache_maxsize.')', __FILE__, __LINE__);
foreach ($DeletedKeys['maxsize'] as $fullfilename) {
unset($CacheDirOldFilesAge[$fullfilename]);
unset($CacheDirOldFilesSize[$fullfilename]);
}
}
} else {
$this->DebugMessage('skipping CleanUpCacheDirectory() because config set to not use it', __FILE__, __LINE__);
}
$totalpurged = 0;
foreach ($DeletedKeys as $key => $value) {
$totalpurged += count($value);
}
$this->DebugMessage('CleanUpCacheDirectory() purged '.$totalpurged.' files (from '.count($AllFilesInCacheDirectory).') based on config settings', __FILE__, __LINE__);
if ($totalpurged > 0) {
$empty_dirs = array();
foreach ($AllFilesInCacheDirectory as $fullfilename) {
if (is_dir($fullfilename)) {
$empty_dirs[realpath($fullfilename)] = 1;
} else {
unset($empty_dirs[realpath(dirname($fullfilename))]);
}
}
krsort($empty_dirs);
$totalpurgeddirs = 0;
foreach ($empty_dirs as $empty_dir => $dummy) {
if ($empty_dir == $this->config_cache_directory) {
// shouldn't happen, but just in case, don't let it delete actual cache directory
continue;
} elseif (@rmdir($empty_dir)) {
$totalpurgeddirs++;
} else {
$this->DebugMessage('failed to rmdir('.$empty_dir.')', __FILE__, __LINE__);
}
}
$this->DebugMessage('purged '.$totalpurgeddirs.' empty directories', __FILE__, __LINE__);
}
return true;
}
//////////////////////////////////////////////////////////////////////
// private: re-initializator (call between rendering multiple images with one object)
function resetObject() {
$class_vars = get_class_vars(get_class($this));
foreach ($class_vars as $key => $value) {
// do not clobber debug or config info
if (!eregi('^(config_|debug|fatalerror)', $key)) {
$this->$key = $value;
}
}
$this->phpThumb(); // re-initialize some class variables
return true;
}
//////////////////////////////////////////////////////////////////////
function ResolveSource() {
if (is_resource($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 $this->rawImageData is set ('.number_format(strlen($this->rawImageData)).' bytes)', __FILE__, __LINE__);
return true;
}
if ($this->sourceFilename) {
$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->sourceFilename);
$this->DebugMessage('$this->sourceFilename set to "'.$this->sourceFilename.'"', __FILE__, __LINE__);
} elseif ($this->src) {
$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->src);
$this->DebugMessage('$this->sourceFilename set to "'.$this->sourceFilename.'" from $this->src ('.$this->src.')', __FILE__, __LINE__);
} else {
return $this->ErrorImage('$this->sourceFilename and $this->src are both empty');
}
if ($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', 'wbmp');
$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__);
$this->f = ereg_replace('[^a-z]', '', strtolower($this->f));
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__);
}
$this->InitializeTempDirSetting();
if (!@is_dir($this->config_temp_directory) && !@is_writable($this->config_temp_directory) && @is_dir($this->config_cache_directory) && @is_writable($this->config_cache_directory)) {
$this->DebugMessage('setting $this->config_temp_directory = $this->config_cache_directory ('.$this->config_cache_directory.')', __FILE__, __LINE__);
$this->config_temp_directory = $this->config_cache_directory;
}
return true;
}
function ResolveFilenameToAbsolute($filename) {
if (!$filename) {
return false;
}
//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__);
} elseif (is_dir(dirname($AbsoluteFilename))) {
$this->DebugMessage('phpthumb_functions::ApacheLookupURIarray() failed for "'.dirname($filename).'", but the correct directory ('.dirname($AbsoluteFilename).') seems to have been resolved with realpath(.)', __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__);
} elseif (is_dir(dirname($AbsoluteFilename))) {
$this->DebugMessage('phpthumb_functions::ApacheLookupURIarray() failed for "'.dirname(@$_SERVER['PHP_SELF']).'", but the correct directory ('.dirname($AbsoluteFilename).') seems to have been resolved with realpath(.)', __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: [^0-9]*([ 0-9\\.\\:Q/]+) (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__);
}
$this->DebugMessage('ImageMagick convert --version says "'.$matches[0].'"', __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 ImageMagickFormatsList() {
static $IMformatsList = null;
if (is_null($IMformatsList)) {
$IMformatsList = '';
$commandline = $this->ImageMagickCommandlineBase();
if (!is_null($commandline)) {
$commandline = dirname($commandline).DIRECTORY_SEPARATOR.str_replace('convert', 'identify', basename($commandline));
$commandline .= ' -list format';
$IMformatsList = phpthumb_functions::SafeExec($commandline);
}
}
return $IMformatsList;
}
function ImageMagickThumbnailToGD() {
// http://www.imagemagick.org/script/command-line-options.php
$this->useRawIMoutput = true;
if (phpthumb_functions::gd_version()) {
// if GD is not available, must use whatever ImageMagick can output
// $UnAllowedParameters contains options that can only be processed in GD, not ImageMagick
// note: 'fltr' *may* need to be processed by GD, but we'll check that in more detail below
$UnAllowedParameters = array('xto', 'ra', 'ar', 'bg', 'bc');
foreach ($UnAllowedParameters as $parameter) {
if (isset($this->$parameter)) {
$this->DebugMessage('$this->useRawIMoutput=false because "'.$parameter.'" is set', __FILE__, __LINE__);
$this->useRawIMoutput = false;
break;
}
}
}
$this->DebugMessage('$this->useRawIMoutput='.($this->useRawIMoutput ? 'true' : 'false').' after checking $UnAllowedParameters', __FILE__, __LINE__);
$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:
$this->DebugMessage('Forcing output to PNG because $this->thumbnailFormat ('.$this->thumbnailFormat.' is not a GD-supported format)', __FILE__, __LINE__);
$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;
$this->useRawIMoutput = false;
}
}
if (!$this->sourceFilename && $this->rawImageData) {
if ($IMtempSourceFilename = $this->phpThumb_tempnam()) {
$IMtempSourceFilename = realpath($IMtempSourceFilename);
$this->sourceFilename = $IMtempSourceFilename;
$this->DebugMessage('ImageMagickThumbnailToGD() setting $this->sourceFilename to "'.$IMtempSourceFilename.'" from $this->rawImageData ('.strlen($this->rawImageData).' bytes)', __FILE__, __LINE__);
}
}
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()) {
$IMtempfilename = realpath($IMtempfilename);
$IMuseExplicitImageOutputDimensions = false;
if ($this->ImageMagickSwitchAvailable('thumbnail') && $this->config_imagemagick_use_thumbnail) {
$IMresizeParameter = 'thumbnail';
} else {
$IMresizeParameter = 'resize';
// some (older? around 2002) versions of IM won't accept "-resize 100x" but require "-resize 100x100"
$commandline_test = $this->ImageMagickCommandlineBase().' logo: -resize 1x "'.$IMtempfilename.'" 2>&1';
$IMresult_test = phpthumb_functions::SafeExec($commandline_test);
$IMuseExplicitImageOutputDimensions = eregi('image dimensions are zero', $IMresult_test);
$this->DebugMessage('IMuseExplicitImageOutputDimensions = '.intval($IMuseExplicitImageOutputDimensions), __FILE__, __LINE__);
if ($fp_im_temp = @fopen($IMtempfilename, 'wb')) {
// erase temp image so ImageMagick logo doesn't get output if other processing fails
fclose($fp_im_temp);
}
}
if (!is_null($this->dpi) && $this->ImageMagickSwitchAvailable('density')) {
// for raster source formats only (WMF, PDF, etc)
$commandline .= ' -density '.$this->dpi;
}
ob_start();
$getimagesize = GetImageSize($this->sourceFilename);
$GetImageSizeError = ob_get_contents();
ob_end_clean();
if (is_array($getimagesize)) {
$this->DebugMessage('GetImageSize('.$this->sourceFilename.') SUCCEEDED: '.serialize($getimagesize), __FILE__, __LINE__);
} else {
$this->DebugMessage('GetImageSize('.$this->sourceFilename.') FAILED with error "'.$GetImageSizeError.'"', __FILE__, __LINE__);
}
if (is_array($getimagesize)) {
$this->DebugMessage('GetImageSize('.$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();
if (!eregi('('.implode('|', $this->AlphaCapableFormats).')', $outputFormat)) {
// not a transparency-capable format
$commandline .= ' -background "#'.($this->bg ? $this->bg : 'FFFFFF').'"';
if ($getimagesize[2] == 1) {
$commandline .= ' -flatten';
}
}
if ($getimagesize[2] == 1) {
$commandline .= ' -coalesce'; // may be needed for animated GIFs
}
if ($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 : 1);
$side = phpthumb_functions::nonempty_min($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));
$thumbnailH = round(max($sideY, ($sideY * $zcAR) / $imAR));
if ($IMuseExplicitImageOutputDimensions) {
$commandline .= ' -'.$IMresizeParameter.' '.$thumbnailH.'x'.$thumbnailH;
} else {
$commandline .= ' -'.$IMresizeParameter.' x'.$thumbnailH;
}
switch (strtoupper($this->zc)) {
case 'T':
$commandline .= ' -gravity north';
break;
case 'B':
$commandline .= ' -gravity south';
break;
case 'L':
$commandline .= ' -gravity west';
break;
case 'R':
$commandline .= ' -gravity east';
break;
case 'TL':
$commandline .= ' -gravity northwest';
break;
case 'TR':
$commandline .= ' -gravity northeast';
break;
case 'BL':
$commandline .= ' -gravity southwest';
break;
case 'BR':
$commandline .= ' -gravity southeast';
break;
case '1':
case 'C':
default:
$commandline .= ' -gravity center';
break;
}
if (($wAll > 0) && ($hAll > 0)) {
$commandline .= ' -crop '.$wAll.'x'.$hAll.'+0+0';
} else {
$commandline .= ' -crop '.$side.'x'.$side.'+0+0';
}
if ($this->ImageMagickSwitchAvailable('repage')) {
$commandline .= ' +repage';
} else {
$this->DebugMessage('Skipping "+repage" because ImageMagick (v'.$this->ImageMagickVersion().') does not support it', __FILE__, __LINE__);
}
} 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 || $this->h) {
if ($this->ImageMagickSwitchAvailable('repage')) {
$commandline .= ' -repage';
} else {
$this->DebugMessage('Skipping "-repage" because ImageMagick (v'.$this->ImageMagickVersion().') does not support it', __FILE__, __LINE__);
}
if ($IMuseExplicitImageOutputDimensions) {
if ($this->w && !$this->h) {
$this->h = ceil($this->w / ($this->source_width / $this->source_height));
} elseif ($this->h && !$this->w) {
$this->w = ceil($this->h * ($this->source_width / $this->source_height));
}
}
$commandline .= ' -'.$IMresizeParameter.' '.$this->w.'x'.$this->h;
}
} else {
if ($this->iar && (intval($this->w) > 0) && (intval($this->h) > 0)) {
$commandline .= ' -'.$IMresizeParameter.' '.$this->w.'x'.$this->h.'!';
} else {
$this->w = ((($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, $getimagesize[1]) : ''));
if ($this->w || $this->h) {
if ($IMuseExplicitImageOutputDimensions) {
if ($this->w && !$this->h) {
$this->h = ceil($this->w / ($this->source_width / $this->source_height));
} elseif ($this->h && !$this->w) {
$this->w = ceil($this->h * ($this->source_width / $this->source_height));
}
}
$commandline .= ' -'.$IMresizeParameter.' '.$this->w.'x'.$this->h;
}
}
}
}
} else {
$this->DebugMessage('GetImageSize('.$this->sourceFilename.') failed', __FILE__, __LINE__);
if ($this->w || $this->h) {
if ($IMuseExplicitImageOutputDimensions) {
// unknown source aspect ration, just put large number and hope IM figures it out
$commandline .= ' -'.$IMresizeParameter.' '.($this->w ? $this->w : '9999').'x'.($this->h ? $this->h : '9999');
} else {
$commandline .= ' -'.$IMresizeParameter.' '.$this->w.'x'.$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')) {
$commandline .= ' -negate';
unset($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[$filterkey]);
}
break;
case 'lvl':
@list($band, $method, $threshold) = explode('|', $parameter);
$band = ($band ? ereg_replace('[^RGBA\\*]', '', strtoupper($band)) : '*');
$method = ((strlen($method) > 0) ? intval($method) : 2);
$threshold = ((strlen($threshold) > 0) ? floatval($threshold) : 0.1);
$band = ereg_replace('[^RGBA\\*]', '', strtoupper($band));
if (($method > 1) && !$this->ImageMagickSwitchAvailable(array('channel', 'contrast-stretch'))) {
// Because ImageMagick processing happens before PHP-GD filters, and because some
// clipping is involved in the "lvl" filter, if "lvl" happens before "wb" then the
// "wb" filter will have (almost) no effect. Therefore, if "wb" is enabled then
// force the "lvl" filter to be processed by GD, not ImageMagick.
foreach ($this->fltr as $fltr_key => $fltr_value) {
list($fltr_cmd) = explode('|', $fltr_value);
if ($fltr_cmd == 'wb') {
$this->DebugMessage('Setting "lvl" filter method to "0" (from "'.$method.'") because white-balance filter also enabled', __FILE__, __LINE__);
$method = 0;
}
}
}
switch ($method) {
case 0: // internal RGB
case 1: // internal grayscale
break;
case 2: // ImageMagick "contrast-stretch"
if ($this->ImageMagickSwitchAvailable('contrast-stretch')) {
$thiscommand = ' -contrast-stretch '.$threshold.'%';
$commandline .= (($band == '*') ? $thiscommand : ' -channel '.strtoupper($band).$thiscommand.' +channel');
unset($this->fltr[$filterkey]);
}
break;
case 3: // ImageMagick "normalize"
if ($this->ImageMagickSwitchAvailable('normalize')) {
$thiscommand = ' -normalize';
$commandline .= (($band == '*') ? $thiscommand : ' -channel '.strtoupper($band).$thiscommand.' +channel');
unset($this->fltr[$filterkey]);
}
break;
default:
$this->DebugMessage('unsupported method ('.$method.') for "lvl" filter', __FILE__, __LINE__);
break;
}
if (isset($this->fltr[$filterkey]) && ($method > 1)) {
$this->fltr[$filterkey] = $command.'|'.$band.'|0|'.$threshold;
$this->DebugMessage('filter "lvl" remapped from method "'.$method.'" to method "0" because ImageMagick support is missing', __FILE__, __LINE__);
}
break;
case 'wb':
if ($this->ImageMagickSwitchAvailable(array('channel', 'contrast-stretch'))) {
@list($threshold) = explode('|', $parameter);
$threshold = (is_float($threshold) ? $threshold : 0.1);
$commandline .= ' -channel R -contrast-stretch '.$threshold.'%';
$commandline .= ' -channel G -contrast-stretch '.$threshold.'%';
$commandline .= ' -channel B -contrast-stretch '.$threshold.'%';
$commandline .= ' +channel';
unset($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 ', $commandline);
} elseif (ereg(' \-'.$IMresizeParameter.' ([0-9]+)x([0-9]+) ', $commandline, $matches)) {
$commandline = str_replace(' -'.$IMresizeParameter.' '.$matches[1].'x'.$matches[2].' ', ' -'.$IMresizeParameter.' '.($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 'hist':
break;
case 'fram':
break;
case 'drop':
break;
case 'mask':
break;
case 'elip':
break;
case 'ric':
break;
case 'stc':
break;
case 'size':
break;
default:
$this->DebugMessage('Unknown $this->fltr['.$filterkey.'] ('.$filtercommand.') -- deleting filter command', __FILE__, __LINE__);
unset($this->fltr[$filterkey]);
break;
}
if (!isset($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($this->fltr).')', __FILE__, __LINE__);
if (count($this->fltr) > 0) {
$this->useRawIMoutput = false;
}
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') ? '' : '['.intval($this->sfn).']').'"'; // [0] means first frame of (GIF) animation, can be ignored
$commandline .= ' '.$outputFormat.':"'.$IMtempfilename.'"';
if (!$this->iswindows) {
$commandline .= ' 2>&1';
}
$this->DebugMessage('ImageMagick called as ('.$commandline.')', __FILE__, __LINE__);
$IMresult = phpthumb_functions::SafeExec($commandline);
clearstatcache();
if (@$IMtempSourceFilename && file_exists($IMtempSourceFilename)) {
@unlink($IMtempSourceFilename);
}
if (!@file_exists($IMtempfilename) || !@filesize($IMtempfilename)) {
$this->FatalError('ImageMagick failed with message ('.trim($IMresult).')');
$this->DebugMessage('ImageMagick failed with message ('.trim($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);
$getimagesize_imresized = @GetImageSize($IMtempfilename);
$this->DebugMessage('GetImageSize('.$IMtempfilename.') returned [w='.$getimagesize_imresized[0].';h='.$getimagesize_imresized[1].';f='.$getimagesize_imresized[2].']', __FILE__, __LINE__);
if (($this->config_max_source_pixels > 0) && (($getimagesize_imresized[0] * $getimagesize_imresized[1]) > $this->config_max_source_pixels)) {
$this->DebugMessage('skipping ImageMagickThumbnailToGD::'.$ImageCreateFunction.'() because IM output is too large ('.$getimagesize_imresized[0].'x'.$getimagesize_imresized[0].' = '.($getimagesize_imresized[0] * $getimagesize_imresized[1]).' > '.$this->config_max_source_pixels.')', __FILE__, __LINE__);
} elseif (function_exists(@$ImageCreateFunction) && ($this->gdimg_source = @$ImageCreateFunction($IMtempfilename))) {
$this->source_width = ImageSX($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)) {
$rotate_angle = 270;
}
}
if ($rotate_angle % 90) {
$this->is_alpha = true;
}
phpthumb_filters::ImprovedImageRotate($this->gdimg_source, $rotate_angle, $this->config_background_hexcolor, $this->bg);
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
}
return true;
}
function FixedAspectRatio() {
// optional fixed-dimension images (regardless of aspect ratio)
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 >= $this->thumbnail_width) {
if ($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 / $aspectratio);
}
} else {
if ($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 / $aspectratio);
}
}
return true;
}
function OffsiteDomainIsAllowed($hostname, $allowed_domains) {
static $domain_is_allowed = array();
$hostname = strtolower($hostname);
if (!isset($domain_is_allowed[$hostname])) {
$domain_is_allowed[$hostname] = false;
foreach ($allowed_domains as $valid_domain) {
$starpos = strpos($valid_domain, '*');
if ($starpos !== false) {
$valid_domain = substr($valid_domain, $starpos + 1);
if (eregi($valid_domain.'$', $hostname)) {
$domain_is_allowed[$hostname] = true;
break;
}
} else {
if (strtolower($valid_domain) === $hostname) {
$domain_is_allowed[$hostname] = true;
break;
}
}
}
}
return $domain_is_allowed[$hostname];
}
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__);
foreach ($this->config_nooffsitelink_valid_domains as $key => $valid_domain) {
// $_SERVER['HTTP_HOST'] contains the port number, so strip it out here to make default configuration work
list($clean_domain) = explode(':', $valid_domain);
$this->config_nooffsitelink_valid_domains[$key] = $clean_domain;
}
$parsed_url = phpthumb_functions::ParseURLbetter(@$_SERVER['HTTP_REFERER']);
if (!$this->OffsiteDomainIsAllowed(@$parsed_url['host'], $this->config_nooffsitelink_valid_domains)) {
$allow = false;
$erase = $this->config_nooffsitelink_erase_image;
$message = $this->config_nooffsitelink_text_message;
$this->ErrorImage('AntiOffsiteLinking() - "'.@$parsed_url['host'].'" is NOT in $this->config_nooffsitelink_valid_domains ('.implode(';', $this->config_nooffsitelink_valid_domains).')');
exit;
$this->DebugMessage('AntiOffsiteLinking() - "'.@$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)) {
$parsed_url = phpthumb_functions::ParseURLbetter($this->src);
//if (!phpthumb_functions::CaseInsensitiveInArray(@$parsed_url['host'], $this->config_nohotlink_valid_domains)) {
if ($this->OffsiteDomainIsAllowed(@$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 {
$this->config_nooffsitelink_watermark_src = $this->ResolveFilenameToAbsolute($this->config_nooffsitelink_watermark_src);
if (is_file($this->config_nooffsitelink_watermark_src)) {
if (!include_once(dirname(__FILE__).'/phpthumb.filters.php')) {
$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.filters.php" which is required for applying watermark', __FILE__, __LINE__);
return false;
}
$watermark_img = $this->ImageCreateFromStringReplacement(file_get_contents($this->config_nooffsitelink_watermark_src));
$phpthumbFilters = new phpthumb_filters();
$phpthumbFilters->phpThumbObject = &$this;
$opacity = 50;
$margin = 5;
$phpthumbFilters->WatermarkOverlay($this->gdimg_output, $watermark_img, '*', $opacity, $margin);
ImageDestroy($watermark_img);
unset($phpthumbFilters);
} 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 $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 $filtercommand) {
@list($command, $parameter) = explode('|', $filtercommand, 2);
$this->DebugMessage('Attempting to process filter command "'.$command.'('.$parameter.')"', __FILE__, __LINE__);
switch ($command) {
case 'brit': // Brightness
$phpthumbFilters->Brightness($this->gdimg_output, $parameter);
break;
case 'cont': // Contrast
$phpthumbFilters->Contrast($this->gdimg_output, $parameter);
break;
case 'ds': // Desaturation
$phpthumbFilters->Desaturate($this->gdimg_output, $parameter, '');
break;
case 'sat': // Saturation
$phpthumbFilters->Saturation($this->gdimg_output, $parameter, '');
break;
case 'gray': // Grayscale
$phpthumbFilters->Grayscale($this->gdimg_output);
break;
case 'clr': // Colorize
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': // Sepia
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': // Gamma correction
$phpthumbFilters->Gamma($this->gdimg_output, $parameter);
break;
case 'neg': // Negative colors
$phpthumbFilters->Negative($this->gdimg_output);
break;
case 'th': // Threshold
$phpthumbFilters->Threshold($this->gdimg_output, $parameter);
break;
case 'rcd': // ReduceColorDepth
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': // Flip
$phpthumbFilters->Flip($this->gdimg_output, (strpos(strtolower($parameter), 'x') !== false), (strpos(strtolower($parameter), 'y') !== false));
break;
case 'edge': // EdgeDetect
$phpthumbFilters->EdgeDetect($this->gdimg_output);
break;
case 'emb': // Emboss
$phpthumbFilters->Emboss($this->gdimg_output);
break;
case 'bvl': // Bevel
@list($width, $color1, $color2) = explode('|', $parameter);
$phpthumbFilters->Bevel($this->gdimg_output, $width, $color1, $color2);
break;
case 'lvl': // autoLevels
@list($band, $method, $threshold) = explode('|', $parameter);
$band = ($band ? ereg_replace('[^RGBA\\*]', '', strtoupper($band)) : '*');
$method = ((strlen($method) > 0) ? intval($method) : 2);
$threshold = ((strlen($threshold) > 0) ? floatval($threshold) : 0.1);
$phpthumbFilters->HistogramStretch($this->gdimg_output, $band, $method, $threshold);
break;
case 'wb': // WhiteBalance
$phpthumbFilters->WhiteBalance($this->gdimg_output, $parameter);
break;
case 'hist': // Histogram overlay
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_x, $margin_y) = 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);
$margin_x = ($margin_x ? $margin_x : 5);
$margin_y = $margin_y; // just to note it wasn't forgotten, but let the value always pass unchanged
$phpthumbFilters->HistogramOverlay($this->gdimg_output, $bands, $colors, $width, $height, $alignment, $opacity, $margin_x, $margin_y);
break;
case 'fram': // Frame
@list($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': // DropShadow
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': // Mask cropping
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': // Elipse cropping
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': // RoundedImageCorners
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, $radius_y);
break;
case 'crop': // Crop
@list($left, $right, $top, $bottom) = explode('|', $parameter);
$phpthumbFilters->Crop($this->gdimg_output, $left, $right, $top, $bottom);
break;
case 'bord': // Border
@list($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, $hexcolor_border);
break;
case 'over': // Overlay
@list($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': // WaterMarkImage
@list($filename, $alignment, $opacity, $margin['x'], $margin['y'], $rotate_angle) = explode('|', $parameter);
// $margin can be pixel margin or percent margin if $alignment is text, or max width/height if $alignment is position like "50x75"
$alignment = ($alignment ? $alignment : 'BR');
$opacity = (strlen($opacity) ? intval($opacity) : 50);
$rotate_angle = (strlen($rotate_angle) ? intval($rotate_angle) : 0);
if (!eregi('^([0-9\\.\\-]*)x([0-9\\.\\-]*)$', $alignment, $matches)) {
$margins = array('x', 'y');
foreach ($margins as $xy) {
$margin[$xy] = (strlen($margin[$xy]) ? $margin[$xy] : 5);
if (($margin[$xy] > 0) && ($margin[$xy] < 1)) {
$margin[$xy] = min(0.499, $margin[$xy]);
} elseif (($margin[$xy] > -1) && ($margin[$xy] < 0)) {
$margin[$xy] = max(-0.499, $margin[$xy]);
}
}
}
$filename = $this->ResolveFilenameToAbsolute($filename);
if (@is_readable($filename)) {
if ($img_watermark = $this->ImageCreateFromFilename($filename)) {
if ($rotate_angle !== 0) {
$phpthumbFilters->ImprovedImageRotate($img_watermark, $rotate_angle);
}
if (eregi('^([0-9\\.\\-]*)x([0-9\\.\\-]*)$', $alignment, $matches)) {
$watermark_max_width = intval($margin['x'] ? $margin['x'] : ImageSX($img_watermark));
$watermark_max_height = intval($margin['y'] ? $margin['y'] : ImageSY($img_watermark));
$scale = phpthumb_functions::ScaleToFitInBox(ImageSX($img_watermark), ImageSY($img_watermark), $watermark_max_width, $watermark_max_height, true, true);
$this->DebugMessage('Scaling watermark by a factor of '.number_format($scale, 4), __FILE__, __LINE__);
if (($scale > 1) || ($scale < 1)) {
if ($img_watermark2 = phpthumb_functions::ImageCreateFunction($scale * ImageSX($img_watermark), $scale * ImageSY($img_watermark))) {
ImageAlphaBlending($img_watermark2, false);
ImageSaveAlpha($img_watermark2, true);
$this->ImageResizeFunction($img_watermark2, $img_watermark, 0, 0, 0, 0, ImageSX($img_watermark2), ImageSY($img_watermark2), ImageSX($img_watermark), ImageSY($img_watermark));
$img_watermark = $img_watermark2;
} else {
$this->DebugMessage('ImageCreateFunction('.($scale * ImageSX($img_watermark)).', '.($scale * ImageSX($img_watermark)).') failed', __FILE__, __LINE__);
}
}
$watermark_dest_x = round($matches[1] - (ImageSX($img_watermark) / 2));
$watermark_dest_y = round($matches[2] - (ImageSY($img_watermark) / 2));
$alignment = $watermark_dest_x.'x'.$watermark_dest_y;
}
$phpthumbFilters->WatermarkOverlay($this->gdimg_output, $img_watermark, $alignment, $opacity, $margin['x'], $margin['y']);
ImageDestroy($img_watermark);
if (isset($img_watermark2) && is_resource($img_watermark2)) {
ImageDestroy($img_watermark2);
}
} else {
$this->DebugMessage('ImageCreateFromFilename() failed for "'.$filename.'"', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('!is_readable('.$filename.')', __FILE__, __LINE__);
}
break;
case 'wmt': // WaterMarkText
@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, $fillextend);
break;
case 'blur': // Blur
@list($radius) = explode('|', $parameter);
$radius = ($radius ? $radius : 1);
if (phpthumb_functions::gd_version() >= 2) {
$phpthumbFilters->Blur($this->gdimg_output, $radius);
} else {
$this->DebugMessage('Skipping Blur() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
//return false;
}
break;
case 'size': // Resize
@list($newwidth, $newheight, $stretch) = explode('|', $parameter);
$newwidth = (!$newwidth ? ImageSX($this->gdimg_output) : ((($newwidth > 0) && ($newwidth < 1)) ? round($newwidth * ImageSX($this->gdimg_output)) : round($newwidth)));
$newheight = (!$newheight ? ImageSY($this->gdimg_output) : ((($newheight > 0) && ($newheight < 1)) ? round($newheight * ImageSY($this->gdimg_output)) : round($newheight)));
$stretch = ($stretch ? true : false);
if ($stretch) {
$scale_x = phpthumb_functions::ScaleToFitInBox(ImageSX($this->gdimg_output), ImageSX($this->gdimg_output), $newwidth, $newwidth, true, true);
$scale_y = phpthumb_functions::ScaleToFitInBox(ImageSY($this->gdimg_output), ImageSY($this->gdimg_output), $newheight, $newheight, true, true);
} else {
$scale_x = phpthumb_functions::ScaleToFitInBox(ImageSX($this->gdimg_output), ImageSY($this->gdimg_output), $newwidth, $newheight, true, true);
$scale_y = $scale_x;
}
$this->DebugMessage('Scaling watermark ('.($stretch ? 'with' : 'without').' stretch) by a factor of "'.number_format($scale_x, 4).' x '.number_format($scale_y, 4).'"', __FILE__, __LINE__);
if (($scale_x > 1) || ($scale_x < 1) || ($scale_y > 1) || ($scale_y < 1)) {
if ($img_temp = phpthumb_functions::ImageCreateFunction(ImageSX($this->gdimg_output), ImageSY($this->gdimg_output))) {
ImageCopy($img_temp, $this->gdimg_output, 0, 0, 0, 0, ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));
//ImageDestroy($this->gdimg_output);
if ($this->gdimg_output = phpthumb_functions::ImageCreateFunction($scale_x * ImageSX($img_temp), $scale_y * ImageSY($img_temp))) {
ImageAlphaBlending($this->gdimg_output, false);
ImageSaveAlpha($this->gdimg_output, true);
$this->ImageResizeFunction($this->gdimg_output, $img_temp, 0, 0, 0, 0, ImageSX($this->gdimg_output), ImageSY($this->gdimg_output), ImageSX($img_temp), ImageSY($img_temp));
} else {
$this->DebugMessage('ImageCreateFunction('.($scale_x * ImageSX($img_temp)).', '.($scale_y * ImageSY($img_temp)).') failed', __FILE__, __LINE__);
}
ImageDestroy($img_temp);
} else {
$this->DebugMessage('ImageCreateFunction('.ImageSX($this->gdimg_output).', '.ImageSY($this->gdimg_output).') failed', __FILE__, __LINE__);
}
}
break;
case 'gblr': // Gaussian Blur
$phpthumbFilters->BlurGaussian($this->gdimg_output);
break;
case 'sblr': // Selective Blur
$phpthumbFilters->BlurSelective($this->gdimg_output);
break;
case 'mean': // MeanRemoval blur
$phpthumbFilters->MeanRemoval($this->gdimg_output);
break;
case 'smth': // Smooth blur
$phpthumbFilters->Smooth($this->gdimg_output, $parameter);
break;
case 'usm': // UnSharpMask sharpening
@list($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 {
$this->DebugMessage('Skipping unsharp mask because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
break;
case 'rot': // ROTate
@list($angle, $bgcolor) = explode('|', $parameter);
$phpthumbFilters->ImprovedImageRotate($this->gdimg_output, $angle, $bgcolor);
break;
case 'stc': // Source Transparent Color
@list($hexcolor, $min_limit, $max_limit) = explode('|', $parameter);
if (!phpthumb_functions::IsHexColor($hexcolor)) {
$this->DebugMessage('Skipping SourceTransparentColor hex color is invalid ('.$hexcolor.')', __FILE__, __LINE__);
return false;
}
$min_limit = (strlen($min_limit) ? $min_limit : 5);
$max_limit = (strlen($max_limit) ? $max_limit : 10);
if ($gdimg_mask = $phpthumbFilters->SourceTransparentColorMask($this->gdimg_output, $hexcolor, $min_limit, $max_limit)) {
$this->is_alpha = true;
$phpthumbFilters->ApplyMask($gdimg_mask, $this->gdimg_output);
ImageDestroy($gdimg_mask);
} else {
$this->DebugMessage('SourceTransparentColorMask() failed for "'.$mask_filename.'"', __FILE__, __LINE__);
}
break;
}
$this->DebugMessage('Finished processing filter command "'.$command.'('.$parameter.')"', __FILE__, __LINE__);
}
}
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.' ';
$this->thumbnailCropY = ($this->sy ? (($this->sy >= 1) ? $this->sy : round($this->sy * $this->source_height)) : 0);
//echo $this->thumbnailCropY.' ';
$this->thumbnailCropW = ($this->sw ? (($this->sw >= 1) ? $this->sw : round($this->sw * $this->source_width)) : $this->source_width);
//echo $this->thumbnailCropW.' ';
$this->thumbnailCropH = ($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 / $this->thumbnailCropH;
if ($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.' ';
$maxwidth = min($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 $parameter) {
if ($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 = '';
$broad_directory_name = '';
if ($this->new) {
$broad_directory_name = strtolower(md5($this->new));
$this->cache_filename .= '_new'.$broad_directory_name;
} elseif ($this->md5s) {
// source image MD5 hash provided
$this->DebugMessage('SetCacheFilename() _raw set from $this->md5s = "'.$this->md5s.'"', __FILE__, __LINE__);
$broad_directory_name = $this->md5s;
$this->cache_filename .= '_raw'.$this->md5s;
} elseif (!$this->src && $this->rawImageData) {
$this->DebugMessage('SetCacheFilename() _raw set from md5($this->rawImageData) = "'.md5($this->rawImageData).'"', __FILE__, __LINE__);
$broad_directory_name = strtolower(md5($this->rawImageData));
$this->cache_filename .= '_raw'.$broad_directory_name;
} else {
$this->DebugMessage('SetCacheFilename() _src set from md5($this->sourceFilename) "'.$this->sourceFilename.'" = "'.md5($this->sourceFilename).'"', __FILE__, __LINE__);
$broad_directory_name = strtolower(md5($this->sourceFilename));
$this->cache_filename .= '_src'.$broad_directory_name;
}
if (@$_SERVER['HTTP_REFERER'] && $this->config_nooffsitelink_enabled) {
$parsed_url1 = @phpthumb_functions::ParseURLbetter(@$_SERVER['HTTP_REFERER']);
$parsed_url2 = @phpthumb_functions::ParseURLbetter('http://'.@$_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 $key) {
if ($this->$key) {
$ParametersString .= '_'.$key.$this->$key;
}
}
$FilenameParameters2 = array('h', 'w', 'wl', 'wp', 'ws', 'hp', 'hs', 'xto', 'ra', 'iar', 'aoe', 'maxb', 'sfn', 'dpi');
foreach ($FilenameParameters2 as $key) {
if ($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);
$broad_directories = '';
for ($i = 0; $i < $this->config_cache_directory_depth; $i++) {
$broad_directories .= DIRECTORY_SEPARATOR.substr($broad_directory_name, 0, $i + 1);
}
$this->cache_filename = $this->config_cache_directory.$broad_directories.DIRECTORY_SEPARATOR.$this->config_cache_prefix.rawurlencode($this->cache_filename);
return true;
}
function SourceImageIsTooLarge($width, $height) {
if (!$this->config_max_source_pixels) {
return false;
}
if (function_exists('memory_get_usage')) {
$available_memory = max(intval(ini_get('memory_limit')), intval(get_cfg_var('memory_limit'))) * 1048576;
$available_memory -= memory_get_usage();
return (bool) (($width * $height * 5) > $available_memory);
}
return (bool) (($width * $height) > $this->config_max_source_pixels);
}
function ImageCreateFromFilename($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->SourceImageIsTooLarge($getimagesizeinfo[0], $getimagesizeinfo[1])) {
$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__);
return false;
}
} 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;
}
$this->DebugMessage('starting SourceImageToGD()', __FILE__, __LINE__);
if ($this->ImageMagickThumbnailToGD()) {
// excellent, we have a thumbnailed source image
$this->DebugMessage('ImageMagickThumbnailToGD() succeeded', __FILE__, __LINE__);
} elseif (!$this->gdimg_source && $this->rawImageData) {
if ($this->md5s && ($this->md5s != md5($this->rawImageData))) {
return $this->ErrorImage('$this->md5s != md5($this->rawImageData)'."\n".'"'.$this->md5s.'" != '."\n".'"'.md5($this->rawImageData).'"');
}
$this->gdimg_source = $this->ImageCreateFromStringReplacement($this->rawImageData);
if (!$this->gdimg_source) {
if (substr($this->rawImageData, 0, 2) === 'BM') {
$this->getimagesizeinfo[2] = 6; // BMP
} elseif (substr($this->rawImageData, 0, 4) === 'II'."\x2A\x00") {
$this->getimagesizeinfo[2] = 7; // TIFF (littlendian)
} elseif (substr($this->rawImageData, 0, 4) === 'MM'."\x00\x2A") {
$this->getimagesizeinfo[2] = 8; // TIFF (bigendian)
}
$this->DebugMessage('SourceImageToGD.ImageCreateFromStringReplacement() failed with unknown image type "'.substr($this->rawImageData, 0, 4).'" ('.phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)).')', __FILE__, __LINE__);
// return $this->ErrorImage('Unknown image type identified by "'.substr($this->rawImageData, 0, 4).'" ('.phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)).') in SourceImageToGD()['.__LINE__.']');
}
} elseif (!$this->gdimg_source && $this->sourceFilename) {
if ($this->md5s && ($this->md5s != phpthumb_functions::md5_file_safe($this->sourceFilename))) {
return $this->ErrorImage('$this->md5s != md5(sourceFilename)'."\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
$this->is_alpha = true;
break;
}
if (!$this->SourceImageIsTooLarge($this->source_width, $this->source_height)) {
$this->gdimg_source = $this->ImageCreateFromFilename($this->sourceFilename);
}
}
while (true) {
if ($this->gdimg_source) {
$this->DebugMessage('Not using EXIF thumbnail data because $this->gdimg_source is already set', __FILE__, __LINE__);
break;
}
if (!$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->SourceImageIsTooLarge($this->source_width, $this->source_height)) {
$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) {
$this->DebugMessage('$this->gdimg_source is still empty', __FILE__, __LINE__);
$this->DebugMessage('ImageMagickThumbnailToGD() failed', __FILE__, __LINE__);
$imageHeader = '';
$gd_info = gd_info();
$GDreadSupport = false;
switch (@$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) {
$errormessages = array();
$errormessages[] = 'All attempts to create GD image source failed.';
if ($this->fatalerror) {
$errormessages[] = $this->fatalerror;
}
if (ini_get('safe_mode')) {
$errormessages[] = 'Safe Mode enabled, therefore ImageMagick is unavailable. (disable Safe Mode if possible)';
} elseif (!$this->ImageMagickVersion()) {
$errormessages[] = 'ImageMagick is not installed (it is highly recommended that you install it).';
}
if ($this->SourceImageIsTooLarge($this->getimagesizeinfo[0], $this->getimagesizeinfo[1])) {
$memory_get_usage = (function_exists('memory_get_usage') ? memory_get_usage() : 0);
$errormessages[] = 'Source image is too large ('.$this->getimagesizeinfo[0].'x'.$this->getimagesizeinfo[1].' = '.number_format($this->getimagesizeinfo[0] * $this->getimagesizeinfo[1] / 1000000, 1).'Mpx, max='.number_format($this->config_max_source_pixels / 1000000, 1).'Mpx) for GD creation (either install ImageMagick or increase PHP memory_limit to at least '.ceil(($memory_get_usage + (5 * $this->getimagesizeinfo[0] * $this->getimagesizeinfo[1])) / 1000000).'M).';
} elseif (!$GDreadSupport) {
$errormessages[] = 'GD does not have read support for "'.$imageHeader.'".';
} else {
$errormessages[] = 'Source image probably corrupt.';
}
$this->ErrorImage(implode("\n", $errormessages));
} else {
$this->DebugMessage('All attempts to create GD image source failed ('.(ini_get('safe_mode') ? 'Safe Mode enabled, ImageMagick unavailable and source image probably too large for GD': ($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "'.$imageHeader.'"')).'), cannot generate thumbnail');
//$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();
$this->gdimg_source = $phpthumb_bmp->phpthumb_bmp2gd($this->rawImageData, (phpthumb_functions::gd_version() >= 2.0));
unset($phpthumb_bmp);
if ($this->gdimg_source) {
$this->DebugMessage('$phpthumb_bmp->phpthumb_bmp2gd() succeeded', __FILE__, __LINE__);
} else {
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") { // WMF
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on WMF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support WMF source images without it');
} elseif ($HeaderFourBytes == '%PDF') { // "%PDF"
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick and GhostScript are both required for PDF source images; GhostScript may not be properly configured' : 'ImageMagick and/or GhostScript are unavailable and phpThumb() does not support PDF source images without them');
} elseif (substr($HeaderFourBytes, 0, 3) == "\xFF\xD8\xFF") { // JPEG
return $this->ErrorImage('Image is too large for PHP-GD memory_limit, please install ImageMagick or increase php.ini memory_limit setting');
} elseif ($HeaderFourBytes == '%PNG') { // "%PNG"
return $this->ErrorImage('Image is too large for PHP-GD memory_limit, please install ImageMagick or increase php.ini memory_limit setting');
} elseif (substr($HeaderFourBytes, 0, 3) == 'GIF') { // GIF
return $this->ErrorImage('Image is too large for PHP-GD memory_limit, please install ImageMagick or increase php.ini memory_limit setting');
}
return $this->ErrorImage('Unknown image type identified by "'.substr($HeaderFourBytes, 0, 4).'" ('.phpthumb_functions::HexCharDisplay(substr($HeaderFourBytes, 0, 4)).') in SourceImageToGD()['.__LINE__.']');
}
}
if (!$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($var);
}
function phpThumbDebug($level='') {
if ($level && ($this->phpThumbDebug !== $level)) {
return true;
}
if ($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'));
$DebugOutput[] = 'get_cfg_var(disable_functions) = '.$this->phpThumbDebugVarDump(@get_cfg_var('disable_functions'));
$DebugOutput[] = 'ini_get(safe_mode) = '.$this->phpThumbDebugVarDump(@ini_get('safe_mode'));
$DebugOutput[] = 'ini_get(open_basedir) = '.$this->phpThumbDebugVarDump(@ini_get('open_basedir'));
$DebugOutput[] = 'ini_get(max_execution_time) = '.$this->phpThumbDebugVarDump(@ini_get('max_execution_time'));
$DebugOutput[] = 'ini_get(memory_limit) = '.$this->phpThumbDebugVarDump(@ini_get('memory_limit'));
$DebugOutput[] = 'get_cfg_var(memory_limit) = '.$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_directory_depth = '.$this->phpThumbDebugVarDump($this->config_cache_directory_depth);
$DebugOutput[] = '$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 $varname) {
$varname = 'config_'.$varname;
$value = $this->$varname;
$DebugOutput[] = '$this->'.str_pad($varname, 37, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);
}
$DebugOutput[] = '';
foreach ($OtherVariableNames as $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 $varname) {
$value = $this->$varname;
$DebugOutput[] = '$this->'.str_pad($varname, 4, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);
}
$DebugOutput[] = '';
foreach ($FunctionsExistance as $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 $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);
$this->f = (isset($_GET['f']) ? $_GET['f'] : $this->f); // debug modes 0-2 don't recognize text mode otherwise
return $this->ErrorImage(implode("\n", $DebugOutput), 700, 500, true);
}
function FatalError($text) {
if (is_null($this->fatalerror)) {
$this->fatalerror = $text;
}
return true;
}
function ErrorImage($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';
}
$this->FatalError($text);
$this->DebugMessage($text, __FILE__, __LINE__);
if ($this->phpThumbDebug && !$forcedisplay) {
return false;
}
if (!$this->config_error_die_on_error && !$forcedisplay) {
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
if (!headers_sent()) {
header('Content-type: text/plain');
echo $text;
} else {
echo '<pre>'.htmlspecialchars($text).'</pre>';
}
exit;
}
$FontWidth = ImageFontWidth($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 "'.$headers_line.'", dumping error message as text:** <pre>'."\n\n".$text."\n".'</pre>';
} elseif (headers_sent()) {
echo "\n".'**Headers already sent, dumping error message as text:** <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 $line) {
ImageString($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/vnd.wap.wbmp');
ImageWBMP($gdimg_error);
}
}
ImageDestroy($gdimg_error);
}
if (!headers_sent()) {
echo "\n".'**Failed to send graphical error image, dumping error message as text:** '."\n\n".$text;
}
exit;
return true;
}
function ImageCreateFromStringReplacement(&$RawImageData, $DieOnErrors=false) {
// there are serious bugs in the non-bundled versions of GD which may cause
// PHP to segfault when calling ImageCreateFromString() - avoid if at all possible
// when not using a bundled version of GD2
if (!phpthumb_functions::gd_version()) {
if ($DieOnErrors) {
if (!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 {
$this->DebugMessage('ImageCreateFromStringReplacement() failed: gd_version says "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
}
if (phpthumb_functions::gd_is_bundled()) {
$this->DebugMessage('ImageCreateFromStringReplacement() calling built-in ImageCreateFromString()', __FILE__, __LINE__);
return @ImageCreateFromString($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);
$this->DebugMessage('gif_loadFileToGDimageResource('.$tempfilename.') completed', __FILE__, __LINE__);
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
$this->DebugMessage($ICFSreplacementFunctionName.'('.$tempnam.') succeeded', __FILE__, __LINE__);
unlink($tempnam);
return $gdimg_source;
} else {
// GD functions not available, or failed to create image
$this->DebugMessage($ICFSreplacementFunctionName.'('.$tempnam.') '.(function_exists($ICFSreplacementFunctionName) ? 'failed' : 'does not exist'), __FILE__, __LINE__);
if (isset($_GET['phpThumbDebug'])) {
$this->phpThumbDebug();
}
}
} 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.', '.$srcH.')', __FILE__, __LINE__);
if (($dstW == $srcW) && ($dstH == $srcH)) {
return ImageCopy($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $srcW, $srcH);
}
if (phpthumb_functions::gd_version() >= 2.0) {
if ($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 InitializeTempDirSetting() {
$this->config_temp_directory = realpath($this->config_temp_directory ? $this->config_temp_directory : (getenv('TMPDIR') ? getenv('TMPDIR') : getenv('TMP')));
return true;
}
function phpThumb_tempnam() {
$this->InitializeTempDirSetting();
$tempnam = realpath(tempnam($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;
}
}
?>

Source for file phpthumb.class.php