//
// available at http://phpthumb.sourceforge.net ///
//////////////////////////////////////////////////////////////
/// //
// See: phpthumb.readme.txt for usage instructions //
// ///
//////////////////////////////////////////////////////////////
ob_start();
if (!include_once(dirname(__FILE__).'/phpthumb.functions.php')) {
ob_end_flush();
die('failed to include_once("'.realpath(dirname(__FILE__).'/phpthumb.functions.php').'")');
}
ob_end_clean();
class phpthumb {
// public:
// START PARAMETERS (for object mode and phpThumb.php)
// See phpthumb.readme.txt for descriptions of what each of these values are
var $src = null; // SouRCe filename
var $new = null; // NEW image (phpThumb.php only)
var $w = null; // Width
var $h = null; // Height
var $wp = null; // Width (Portrait Images Only)
var $hp = null; // Height (Portrait Images Only)
var $wl = null; // Width (Landscape Images Only)
var $hl = null; // Height (Landscape Images Only)
var $ws = null; // Width (Square Images Only)
var $hs = null; // Height (Square Images Only)
var $f = null; // Format
var $q = 75; // jpeg output Quality
var $sx = null; // Source crop top-left X position
var $sy = null; // Source crop top-left Y position
var $sw = null; // Source crop Width
var $sh = null; // Source crop Height
var $zc = null; // Zoom Crop
var $bc = null; // Border Color
var $bg = null; // BackGround color
var $fltr = array(); // FiLTeRs
var $goto = null; // GO TO url after processing
var $err = null; // default ERRor image filename
var $xto = null; // extract eXif Thumbnail Only
var $ra = null; // Rotate by Angle
var $ar = null; // Auto Rotate
var $aoe = null; // Allow Output Enlargement
var $far = null; // Fixed Aspect Ratio
var $iar = null; // Ignore Aspect Ratio
var $maxb = null; // MAXimum Bytes
var $down = null; // DOWNload thumbnail filename
var $md5s = null; // MD5 hash of Source image
var $file = null; // >>deprecated, do not use<<
var $phpThumbDebug = null;
// END PARAMETERS
// public:
// START CONFIGURATION OPTIONS (for object mode only)
// See phpThumb.config.php for descriptions of what each of these settings do
// * Directory Configuration
var $config_cache_directory = null;
var $config_cache_disable_warning = true;
var $config_cache_source_enabled = false;
var $config_cache_source_directory = null;
var $config_temp_directory = null;
var $config_document_root = null;
// * Default output configuration:
var $config_output_format = 'jpeg';
var $config_output_maxwidth = 0;
var $config_output_maxheight = 0;
var $config_output_interlace = true;
// * Error message configuration
var $config_error_image_width = 400;
var $config_error_image_height = 100;
var $config_error_message_image_default = '';
var $config_error_bgcolor = 'CCCCFF';
var $config_error_textcolor = 'FF0000';
var $config_error_fontsize = 1;
var $config_error_die_on_error = true;
var $config_error_silent_die_on_error = false;
var $config_error_die_on_source_failure = true;
// * Anti-Hotlink Configuration:
var $config_nohotlink_enabled = true;
var $config_nohotlink_valid_domains = array();
var $config_nohotlink_erase_image = true;
var $config_nohotlink_text_message = 'Off-server thumbnailing is not allowed';
// * Off-server Linking Configuration:
var $config_nooffsitelink_enabled = false;
var $config_nooffsitelink_valid_domains = array();
var $config_nooffsitelink_require_refer = false;
var $config_nooffsitelink_erase_image = true;
var $config_nooffsitelink_text_message = 'Off-server linking is not allowed';
// * Border & Background default colors
var $config_border_hexcolor = '000000';
var $config_background_hexcolor = 'FFFFFF';
// * TrueType Fonts
var $config_ttf_directory = '.';
var $config_max_source_pixels = null;
var $config_use_exif_thumbnail_for_speed = false;
var $config_imagemagick_path = null;
var $config_prefer_imagemagick = true;
var $config_cache_maxage = null;
var $config_cache_maxsize = null;
var $config_cache_maxfiles = null;
var $config_cache_source_filemtime_ignore_local = false;
var $config_cache_source_filemtime_ignore_remote = true;
var $config_cache_default_only_suffix = false;
var $config_cache_force_passthru = true;
var $config_cache_prefix = ''; // default value set in the constructor below
// * MySQL
var $config_mysql_query = null;
var $config_mysql_hostname = null;
var $config_mysql_username = null;
var $config_mysql_password = null;
var $config_mysql_database = null;
// * Security
var $config_high_security_enabled = false;
var $config_config_high_security_password = null;
var $config_disable_debug = false;
var $config_allow_src_above_docroot = false;
var $config_allow_src_above_phpthumb = true;
var $config_allow_parameter_file = false;
var $config_allow_parameter_goto = false;
// * Compatability
var $config_disable_pathinfo_parsing = false;
var $config_disable_imagecopyresampled = false;
var $config_disable_onlycreateable_passthru = false;
var $config_http_user_agent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12) Gecko/20050915 Firefox/1.0.7';
// END CONFIGURATION OPTIONS
// public: error messages (read-only)
var $debugmessages = array();
var $debugtiming = array();
var $fatalerror = null;
// private: (should not be modified directly)
var $thumbnailQuality = 75;
var $thumbnailFormat = null;
var $sourceFilename = null;
var $rawImageData = null;
var $IMresizedData = null;
var $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 $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 = '1.7.0-200602150817';
//////////////////////////////////////////////////////////////////////
// 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
//if (phpthumb_functions::gd_version() < 1) {
// die('No GD support detected');
//}
if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
$this->iswindows = true;
} else {
$this->iswindows = false;
}
if (@$_SERVER['DOCUMENT_ROOT']) {
$this->config_document_root = $_SERVER['DOCUMENT_ROOT'];
}
$this->config_cache_prefix = 'phpThumb_cache_'.@$_SERVER['SERVER_NAME'];
}
// public:
function setSourceFilename($sourceFilename) {
$this->rawImageData = null;
$this->sourceFilename = $sourceFilename;
$this->DebugMessage('setSourceFilename('.$sourceFilename.') set $this->sourceFilename to "'.$this->sourceFilename.'"', __FILE__, __LINE__);
return true;
}
// public:
function setSourceData($rawImageData, $sourceFilename='') {
$this->sourceFilename = null;
$this->rawImageData = $rawImageData;
$this->DebugMessage('setSourceData() setting $this->rawImageData ('.strlen($this->rawImageData).' bytes)', __FILE__, __LINE__);
if ($this->config_cache_source_enabled) {
$sourceFilename = ($sourceFilename ? $sourceFilename : md5($rawImageData));
if (!is_dir($this->config_cache_source_directory)) {
$this->ErrorImage('$this->config_cache_source_directory ('.$this->config_cache_source_directory.') is not a directory');
} elseif (!is_writable($this->config_cache_source_directory)) {
$this->ErrorImage('$this->config_cache_source_directory ('.$this->config_cache_source_directory.') is not writable');
}
$this->DebugMessage('setSourceData() attempting to save source image to "'.$this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename).'"', __FILE__, __LINE__);
if ($fp = @fopen($this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename), 'wb')) {
fwrite($fp, $rawImageData);
fclose($fp);
} elseif (!$this->phpThumbDebug) {
$this->ErrorImage('setSourceData() failed to write to source cache ('.$this->config_cache_source_directory.DIRECTORY_SEPARATOR.urlencode($sourceFilename).')');
}
}
return true;
}
// public:
function setSourceImageResource($gdimg) {
$this->gdimg_source = $gdimg;
return true;
}
// public:
function setParameter($param, $value) {
switch ($param) {
case 'src':
$this->setSourceFilename($this->ResolveFilenameToAbsolute($value));
break;
default:
$this->$param = $value;
break;
}
$this->$param = $value;
return true;
}
// public:
function getParameter($param) {
//if (property_exists('phpThumb', $param)) {
return $this->$param;
//}
//$this->DebugMessage('setParameter() attempting to set non-existant parameter "'.$param.'"', __FILE__, __LINE__);
//return false;
}
// public:
function GenerateThumbnail() {
$this->setOutputFormat();
$this->ResolveSource();
$this->SetCacheFilename();
$this->ExtractEXIFgetImageSize();
if ($this->useRawIMoutput) {
$this->DebugMessage('Skipping rest of GenerateThumbnail() because $this->useRawIMoutput', __FILE__, __LINE__);
return true;
}
if (!$this->SourceImageToGD()) {
$this->DebugMessage('SourceImageToGD() failed', __FILE__, __LINE__);
return false;
}
$this->Rotate();
$this->CreateGDoutput();
switch ($this->far) {
case 'L':
case 'TL':
case 'BL':
$destination_offset_x = 0;
$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);
break;
case 'R':
case 'TR':
case 'BR':
$destination_offset_x = round($this->thumbnail_width - $this->thumbnail_image_width);
$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);
break;
case 'T':
case 'TL':
case 'TR':
$destination_offset_x = round(($this->thumbnail_width - $this->thumbnail_image_width) / 2);
$destination_offset_y = 0;
break;
case 'B':
case 'BL':
case 'BR':
$destination_offset_x = round(($this->thumbnail_width - $this->thumbnail_image_width) / 2);
$destination_offset_y = round($this->thumbnail_height - $this->thumbnail_image_height);
break;
case 'C':
default:
$destination_offset_x = round(($this->thumbnail_width - $this->thumbnail_image_width) / 2);
$destination_offset_y = round(($this->thumbnail_height - $this->thumbnail_image_height) / 2);
}
// copy/resize image to appropriate dimensions
$this->DebugMessage('ImageResizeFunction($o, $s, '.$destination_offset_x.', '.$destination_offset_y.', '.$this->thumbnailCropX.', '.$this->thumbnailCropY.', '.$this->thumbnail_image_width.', '.$this->thumbnail_image_height.', '.$this->thumbnailCropW.', '.$this->thumbnailCropH.')', __FILE__, __LINE__);
$this->ImageResizeFunction(
$this->gdimg_output,
$this->gdimg_source,
$destination_offset_x,
$destination_offset_y,
$this->thumbnailCropX,
$this->thumbnailCropY,
$this->thumbnail_image_width,
$this->thumbnail_image_height,
$this->thumbnailCropW,
$this->thumbnailCropH
);
$this->DebugMessage('memory_get_usage() after copy-resize = '.(function_exists('memory_get_usage') ? @memory_get_usage() : 'n/a'), __FILE__, __LINE__);
ImageDestroy($this->gdimg_source);
$this->DebugMessage('memory_get_usage() after ImageDestroy = '.(function_exists('memory_get_usage') ? @memory_get_usage() : 'n/a'), __FILE__, __LINE__);
$this->AntiOffsiteLinking();
$this->ApplyFilters();
$this->AlphaChannelFlatten();
$this->MaxFileSize();
$this->DebugMessage('GenerateThumbnail() completed successfully', __FILE__, __LINE__);
return true;
}
// public:
function RenderToFile($filename) {
if (!$this->useRawIMoutput && !is_resource($this->gdimg_output)) {
$this->DebugMessage('RenderToFile('.$filename.') failed because !is_resource($this->gdimg_output)', __FILE__, __LINE__);
return false;
}
if (!$this->thumbnailFormat) {
$this->DebugMessage('RenderToFile() failed because $this->thumbnailFormat is empty', __FILE__, __LINE__);
return false;
}
// render thumbnail to this file only, do not cache, do not output to browser
//$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->useRawIMoutput) {
$this->DebugMessage('RenderToFile copying $this->IMresizedData ('.strlen($this->IMresizedData).' bytes) to "'.$renderfilename.'"', __FILE__, __LINE__);
return file_put_contents($renderfilename, $this->IMresizedData);
} else {
$this->DebugMessage('RenderToFile('.$filename.') attempting Image'.strtoupper(@$this->thumbnailFormat).'($this->gdimg_output, '.$renderfilename.')', __FILE__, __LINE__);
ob_start();
switch ($this->thumbnailFormat) {
case 'jpeg':
$ImageOutFunction = 'image'.$this->thumbnailFormat;
$ImageOutFunction($this->gdimg_output, $renderfilename, $this->thumbnailQuality);
break;
case 'png':
case 'gif':
$ImageOutFunction = 'image'.$this->thumbnailFormat;
$ImageOutFunction($this->gdimg_output, $renderfilename);
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();
$bmp_data = $phpthumb_bmp->GD2BMPstring($this->gdimg_output);
unset($phpthumb_bmp);
if (!$bmp_data) {
$this->DebugMessage('$phpthumb_bmp->GD2BMPstring() failed', __FILE__, __LINE__);
ob_end_clean();
return false;
}
if (!file_put_contents($renderfilename, $bmp_data)) {
$this->DebugMessage('file_put_contents('.$renderfilename.', ['.strlen($bmp_data).' bytes]) failed', __FILE__, __LINE__);
ob_end_clean();
return false;
}
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);
$ico_data = $phpthumb_ico->GD2ICOstring($arrayOfOutputImages);
unset($phpthumb_ico);
if (!$ico_data) {
$this->DebugMessage('$phpthumb_ico->GD2ICOstring() failed', __FILE__, __LINE__);
ob_end_clean();
return false;
}
if (!file_put_contents($renderfilename, $ico_data)) {
$this->DebugMessage('file_put_contents('.$renderfilename.', ['.strlen($ico_data).' bytes]) failed', __FILE__, __LINE__);
ob_end_clean();
return false;
}
break;
default:
$this->DebugMessage('RenderToFile failed because $this->thumbnailFormat "'.$this->thumbnailFormat.'" is not valid', __FILE__, __LINE__);
ob_end_clean();
return false;
}
$errormessage = strip_tags(ob_get_contents());
ob_end_clean();
if ($errormessage) {
$this->DebugMessage('RenderToFile ['.$ImageOutFunction.'('.$renderfilename.')] failed with message "'.$errormessage.'"', __FILE__, __LINE__);
return false;
} elseif (!file_exists($renderfilename)) {
$this->DebugMessage('RenderToFile ['.$ImageOutFunction.'('.$renderfilename.')] did not appear to fail, but the output image does not exist either...', __FILE__, __LINE__);
}
}
return true;
}
// public:
function OutputThumbnail() {
if (!$this->useRawIMoutput && !is_resource($this->gdimg_output)) {
$this->DebugMessage('OutputThumbnail() failed because !is_resource($this->gdimg_output)', __FILE__, __LINE__);
return false;
}
if (headers_sent()) {
return $this->ErrorImage('OutputThumbnail() failed - headers already sent');
exit;
}
if ($this->down) {
$downloadfilename = ereg_replace('[/\\:\*\?"<>|]', '_', $this->down);
if (phpthumb_functions::version_compare_replacement(phpversion(), '4.1.0', '>=')) {
$downloadfilename = trim($downloadfilename, '.');
}
if ($downloadfilename != $this->down) {
$this->DebugMessage('renaming output file for "down" from "'.$this->down.'" to "'.$downloadfilename.'"', __FILE__, __LINE__);
}
if ($downloadfilename) {
header('Content-Disposition: attachment; filename="'.$downloadfilename.'"');
} else {
$this->DebugMessage('failed to send Content-Disposition header because $downloadfilename is empty', __FILE__, __LINE__);
}
}
if ($this->useRawIMoutput) {
header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $this->IMresizedData;
} else {
$this->DebugMessage('ImageInterlace($this->gdimg_output, '.intval($this->config_output_interlace).')', __FILE__, __LINE__);
ImageInterlace($this->gdimg_output, intval($this->config_output_interlace));
switch ($this->thumbnailFormat) {
case 'jpeg':
header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
$ImageOutFunction = 'image'.$this->thumbnailFormat;
@$ImageOutFunction($this->gdimg_output, '', $this->thumbnailQuality);
break;
case 'png':
case 'gif':
header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
$ImageOutFunction = 'image'.$this->thumbnailFormat;
@$ImageOutFunction($this->gdimg_output);
break;
case 'bmp':
if (!@include_once(dirname(__FILE__).'/phpthumb.bmp.php')) {
$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.bmp.php" which is required for BMP format output', __FILE__, __LINE__);
return false;
}
$phpthumb_bmp = new phpthumb_bmp();
if (is_object($phpthumb_bmp)) {
$bmp_data = $phpthumb_bmp->GD2BMPstring($this->gdimg_output);
unset($phpthumb_bmp);
if (!$bmp_data) {
$this->DebugMessage('$phpthumb_bmp->GD2BMPstring() failed', __FILE__, __LINE__);
return false;
}
header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $bmp_data;
} else {
$this->DebugMessage('new phpthumb_bmp() failed', __FILE__, __LINE__);
return false;
}
break;
case 'ico':
if (!@include_once(dirname(__FILE__).'/phpthumb.ico.php')) {
$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.ico.php" which is required for ICO format output', __FILE__, __LINE__);
return false;
}
$phpthumb_ico = new phpthumb_ico();
if (is_object($phpthumb_ico)) {
$arrayOfOutputImages = array($this->gdimg_output);
$ico_data = $phpthumb_ico->GD2ICOstring($arrayOfOutputImages);
unset($phpthumb_ico);
if (!$ico_data) {
$this->DebugMessage('$phpthumb_ico->GD2ICOstring() failed', __FILE__, __LINE__);
return false;
}
header('Content-Type: '.phpthumb_functions::ImageTypeToMIMEtype($this->thumbnailFormat));
echo $ico_data;
} else {
$this->DebugMessage('new phpthumb_ico() failed', __FILE__, __LINE__);
return false;
}
break;
default:
$this->DebugMessage('OutputThumbnail failed because $this->thumbnailFormat "'.$this->thumbnailFormat.'" is not valid', __FILE__, __LINE__);
return false;
break;
}
}
return true;
}
// public:
function CleanUpCacheDirectory() {
if (($this->config_cache_maxage > 0) || ($this->config_cache_maxsize > 0) || ($this->config_cache_maxfiles > 0)) {
$CacheDirOldFilesAge = array();
$CacheDirOldFilesSize = array();
if ($dirhandle = opendir($this->config_cache_directory)) {
while ($oldcachefile = readdir($dirhandle)) {
if (eregi('^phpThumb_cache_', $oldcachefile)) {
$CacheDirOldFilesAge[$oldcachefile] = fileatime($this->config_cache_directory.DIRECTORY_SEPARATOR.$oldcachefile);
if ($CacheDirOldFilesAge[$oldcachefile] == 0) {
$CacheDirOldFilesAge[$oldcachefile] = filemtime($this->config_cache_directory.DIRECTORY_SEPARATOR.$oldcachefile);
}
$CacheDirOldFilesSize[$oldcachefile] = filesize($this->config_cache_directory.DIRECTORY_SEPARATOR.$oldcachefile);
}
}
}
asort($CacheDirOldFilesAge);
if ($this->config_cache_maxfiles > 0) {
$TotalCachedFiles = count($CacheDirOldFilesAge);
$DeletedKeys = array();
foreach ($CacheDirOldFilesAge as $oldcachefile => $filedate) {
if ($TotalCachedFiles > $this->config_cache_maxfiles) {
$TotalCachedFiles--;
if (@unlink($this->config_cache_directory.DIRECTORY_SEPARATOR.$oldcachefile)) {
$DeletedKeys[] = $oldcachefile;
}
} else {
// there are few enough files to keep the rest
break;
}
}
foreach ($DeletedKeys as $dummy => $oldcachefile) {
unset($CacheDirOldFilesAge[$oldcachefile]);
unset($CacheDirOldFilesSize[$oldcachefile]);
}
}
if ($this->config_cache_maxage > 0) {
$mindate = time() - $this->config_cache_maxage;
$DeletedKeys = array();
foreach ($CacheDirOldFilesAge as $oldcachefile => $filedate) {
if ($filedate > 0) {
if ($filedate < $mindate) {
if (@unlink($this->config_cache_directory.DIRECTORY_SEPARATOR.$oldcachefile)) {
$DeletedKeys[] = $oldcachefile;
}
} else {
// the rest of the files are new enough to keep
break;
}
}
}
foreach ($DeletedKeys as $dummy => $oldcachefile) {
unset($CacheDirOldFilesAge[$oldcachefile]);
unset($CacheDirOldFilesSize[$oldcachefile]);
}
}
if ($this->config_cache_maxsize > 0) {
$TotalCachedFileSize = array_sum($CacheDirOldFilesSize);
$DeletedKeys = array();
foreach ($CacheDirOldFilesAge as $oldcachefile => $filedate) {
if ($TotalCachedFileSize > $this->config_cache_maxsize) {
$TotalCachedFileSize -= $CacheDirOldFilesSize[$oldcachefile];
if (@unlink($this->config_cache_directory.DIRECTORY_SEPARATOR.$oldcachefile)) {
$DeletedKeys[] = $oldcachefile;
}
} else {
// the total filesizes are small enough to keep the rest of the files
break;
}
}
foreach ($DeletedKeys as $dummy => $oldcachefile) {
unset($CacheDirOldFilesAge[$oldcachefile]);
unset($CacheDirOldFilesSize[$oldcachefile]);
}
}
}
return true;
}
//////////////////////////////////////////////////////////////////////
function ResolveSource() {
if (is_resource($this->gdimg_source)) {
$this->DebugMessage('ResolveSource() exiting because is_resource($this->gdimg_source)', __FILE__, __LINE__);
return true;
}
if ($this->rawImageData) {
$this->sourceFilename = null;
$this->DebugMessage('ResolveSource() exiting because $this->rawImageData is set', __FILE__, __LINE__);
return true;
}
if ($this->sourceFilename) {
$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->sourceFilename);
$this->DebugMessage('$this->sourceFilename set to "'.$this->sourceFilename.'"', __FILE__, __LINE__);
} else {
$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->src);
$this->DebugMessage('$this->sourceFilename set to "'.$this->sourceFilename.'" from $this->src ('.$this->src.')', __FILE__, __LINE__);
}
if ($this->iswindows && ((substr($this->sourceFilename, 0, 2) == '//') || (substr($this->sourceFilename, 0, 2) == '\\\\'))) {
// Windows \\share\filename.ext
} elseif (eregi('^(f|ht)tps?://', $this->sourceFilename)) {
// URL
if ($this->config_http_user_agent) {
ini_set('user_agent', $this->config_http_user_agent);
}
} elseif (!file_exists($this->sourceFilename)) {
return $this->ErrorImage('"'.$this->sourceFilename.'" does not exist');
} elseif (!is_file($this->sourceFilename)) {
return $this->ErrorImage('"'.$this->sourceFilename.'" is not a file');
}
return true;
}
function setOutputFormat() {
static $alreadyCalled = false;
if ($this->thumbnailFormat && $alreadyCalled) {
return true;
}
$alreadyCalled = true;
$AvailableImageOutputFormats = array();
$AvailableImageOutputFormats[] = 'text';
if (is_readable(dirname(__FILE__).'/phpthumb.ico.php')) {
$AvailableImageOutputFormats[] = 'ico';
}
if (is_readable(dirname(__FILE__).'/phpthumb.bmp.php')) {
$AvailableImageOutputFormats[] = 'bmp';
}
$this->thumbnailFormat = 'ico';
// Set default output format based on what image types are available
if (function_exists('ImageTypes')) {
$imagetypes = ImageTypes();
if ($imagetypes & IMG_WBMP) {
$this->thumbnailFormat = 'wbmp';
$AvailableImageOutputFormats[] = 'wbmp';
}
if ($imagetypes & IMG_GIF) {
$this->thumbnailFormat = 'gif';
$AvailableImageOutputFormats[] = 'gif';
}
if ($imagetypes & IMG_PNG) {
$this->thumbnailFormat = 'png';
$AvailableImageOutputFormats[] = 'png';
}
if ($imagetypes & IMG_JPG) {
$this->thumbnailFormat = 'jpeg';
$AvailableImageOutputFormats[] = 'jpeg';
}
} else {
//return $this->ErrorImage('ImageTypes() does not exist - GD support might not be enabled?');
$this->DebugMessage('ImageTypes() does not exist - GD support might not be enabled?', __FILE__, __LINE__);
}
if ($this->ImageMagickVersion()) {
$IMformats = array('jpeg', 'png', 'gif', 'bmp', 'ico');
$this->DebugMessage('Addding ImageMagick formats to $AvailableImageOutputFormats ('.implode(';', $AvailableImageOutputFormats).')', __FILE__, __LINE__);
foreach ($IMformats as $key => $format) {
$AvailableImageOutputFormats[] = $format;
}
}
$AvailableImageOutputFormats = array_unique($AvailableImageOutputFormats);
$this->DebugMessage('$AvailableImageOutputFormats = array('.implode(';', $AvailableImageOutputFormats).')', __FILE__, __LINE__);
if (strtolower($this->config_output_format) == 'jpg') {
$this->config_output_format = 'jpeg';
}
if (strtolower($this->f) == 'jpg') {
$this->f = 'jpeg';
}
if (in_array(strtolower($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 && (in_array(strtolower($this->f), $AvailableImageOutputFormats))) {
// override output format if $this->f is set and that format is available
$this->DebugMessage('$this->thumbnailFormat set to $this->f "'.strtolower($this->f).'"', __FILE__, __LINE__);
$this->thumbnailFormat = strtolower($this->f);
} elseif ($this->f) {
$this->DebugMessage('$this->thumbnailFormat staying as "'.$this->thumbnailFormat.'" because $this->f ('.strtolower($this->f).') is not in $AvailableImageOutputFormats', __FILE__, __LINE__);
}
// for JPEG images, quality 1 (worst) to 99 (best)
// quality < 25 is nasty, with not much size savings - not recommended
// problems with 100 - invalid JPEG?
$this->thumbnailQuality = max(1, min(99, ($this->q ? $this->q : 75)));
$this->DebugMessage('$this->thumbnailQuality set to "'.$this->thumbnailQuality.'"', __FILE__, __LINE__);
return true;
}
function setCacheDirectory() {
// resolve cache directory to absolute pathname
$this->DebugMessage('setCacheDirectory() starting with config_cache_directory = "'.$this->config_cache_directory.'"', __FILE__, __LINE__);
if (substr($this->config_cache_directory, 0, 1) == '.') {
if (eregi('^(f|ht)tps?://', $this->src)) {
if (!$this->config_cache_disable_warning) {
$this->ErrorImage('$this->config_cache_directory ('.$this->config_cache_directory.') cannot be used for remote images. Adjust "cache_directory" or "cache_disable_warning" in phpThumb.config.php');
}
} elseif ($this->src) {
// resolve relative cache directory to source image
$this->config_cache_directory = dirname($this->ResolveFilenameToAbsolute($this->src)).DIRECTORY_SEPARATOR.$this->config_cache_directory;
} else {
// $this->new is probably set
}
}
if (substr($this->config_cache_directory, -1) == '/') {
$this->config_cache_directory = substr($this->config_cache_directory, 0, -1);
}
if ($this->iswindows) {
$this->config_cache_directory = str_replace('/', DIRECTORY_SEPARATOR, $this->config_cache_directory);
}
if ($this->config_cache_directory) {
$real_cache_path = realpath($this->config_cache_directory);
if (!$real_cache_path) {
$this->DebugMessage('realpath($this->config_cache_directory) failed for "'.$this->config_cache_directory.'"', __FILE__, __LINE__);
if (!is_dir($this->config_cache_directory)) {
$this->DebugMessage('!is_dir('.$this->config_cache_directory.')', __FILE__, __LINE__);
}
}
if ($real_cache_path) {
$this->DebugMessage('setting config_cache_directory to realpath('.$this->config_cache_directory.') = "'.$real_cache_path.'"', __FILE__, __LINE__);
$this->config_cache_directory = $real_cache_path;
}
}
if (!is_dir($this->config_cache_directory)) {
if (!$this->config_cache_disable_warning) {
$this->ErrorImage('$this->config_cache_directory ('.$this->config_cache_directory.') does not exist. Adjust "cache_directory" or "cache_disable_warning" in phpThumb.config.php');
}
$this->DebugMessage('$this->config_cache_directory ('.$this->config_cache_directory.') is not a directory', __FILE__, __LINE__);
$this->config_cache_directory = null;
} elseif (!is_writable($this->config_cache_directory)) {
$this->DebugMessage('$this->config_cache_directory is not writable ('.$this->config_cache_directory.')', __FILE__, __LINE__);
}
return true;
}
function ResolveFilenameToAbsolute($filename) {
if (eregi('^(f|ht)tps?://', $filename)) {
// URL
//$AbsoluteFilename = $filename;
return $filename;
} elseif ($this->iswindows && ($filename{1} == ':')) {
// absolute pathname (Windows)
$AbsoluteFilename = $filename;
} elseif ($this->iswindows && ((substr($filename, 0, 2) == '//') || (substr($filename, 0, 2) == '\\\\'))) {
// absolute pathname (Windows)
$AbsoluteFilename = $filename;
} elseif ($filename{0} == '/') {
if (@is_readable($filename) && !@is_readable($this->config_document_root.$filename)) {
// absolute filename (*nix)
$AbsoluteFilename = $filename;
} elseif ($filename{1} == '~') {
// /~user/path
if ($ApacheLookupURIarray = phpthumb_functions::ApacheLookupURIarray($filename)) {
$AbsoluteFilename = $ApacheLookupURIarray['filename'];
} else {
$AbsoluteFilename = realpath($filename);
if (@is_readable($AbsoluteFilename)) {
$this->DebugMessage('phpthumb_functions::ApacheLookupURIarray() failed for "'.$filename.'", but the correct filename ('.$AbsoluteFilename.') seems to have been resolved with realpath($filename)', __FILE__, __LINE__);
} else {
return $this->ErrorImage('phpthumb_functions::ApacheLookupURIarray() failed for "'.$filename.'". This has been known to fail on Apache2 - try using the absolute filename for the source image');
}
}
} else {
// relative filename (any OS)
if (ereg('^'.preg_quote($this->config_document_root), $filename)) {
$AbsoluteFilename = $filename;
$this->DebugMessage('ResolveFilenameToAbsolute() NOT prepending $this->config_document_root ('.$this->config_document_root.') to $filename ('.$filename.') resulting in ($AbsoluteFilename = "'.$AbsoluteFilename.'")', __FILE__, __LINE__);
} else {
$AbsoluteFilename = $this->config_document_root.$filename;
$this->DebugMessage('ResolveFilenameToAbsolute() prepending $this->config_document_root ('.$this->config_document_root.') to $filename ('.$filename.') resulting in ($AbsoluteFilename = "'.$AbsoluteFilename.'")', __FILE__, __LINE__);
}
}
} else {
// relative to current directory (any OS)
$AbsoluteFilename = $this->config_document_root.dirname(@$_SERVER['PHP_SELF']).DIRECTORY_SEPARATOR.$filename;
//if (!file_exists($AbsoluteFilename) && file_exists(realpath($this->DotPadRelativeDirectoryPath($filename)))) {
// $AbsoluteFilename = realpath($this->DotPadRelativeDirectoryPath($filename));
//}
if (substr(dirname(@$_SERVER['PHP_SELF']), 0, 2) == '/~') {
if ($ApacheLookupURIarray = phpthumb_functions::ApacheLookupURIarray(dirname(@$_SERVER['PHP_SELF']))) {
$AbsoluteFilename = $ApacheLookupURIarray['filename'].DIRECTORY_SEPARATOR.$filename;
} else {
$AbsoluteFilename = realpath('.').DIRECTORY_SEPARATOR.$filename;
if (@is_readable($AbsoluteFilename)) {
$this->DebugMessage('phpthumb_functions::ApacheLookupURIarray() failed for "'.dirname(@$_SERVER['PHP_SELF']).'", but the correct filename ('.$AbsoluteFilename.') seems to have been resolved with realpath(.)/$filename', __FILE__, __LINE__);
} else {
return $this->ErrorImage('phpthumb_functions::ApacheLookupURIarray() failed for "'.dirname(@$_SERVER['PHP_SELF']).'". This has been known to fail on Apache2 - try using the absolute filename for the source image');
}
}
}
}
if (is_link($AbsoluteFilename)) {
$this->DebugMessage('is_link()==true, changing "'.$AbsoluteFilename.'" to "'.readlink($AbsoluteFilename).'"', __FILE__, __LINE__);
$AbsoluteFilename = readlink($AbsoluteFilename);
}
if (realpath($AbsoluteFilename)) {
$AbsoluteFilename = realpath($AbsoluteFilename);
}
if ($this->iswindows) {
$AbsoluteFilename = eregi_replace('^'.preg_quote(realpath($this->config_document_root)), realpath($this->config_document_root), $AbsoluteFilename);
$AbsoluteFilename = str_replace(DIRECTORY_SEPARATOR, '/', $AbsoluteFilename);
}
if (!$this->config_allow_src_above_docroot && !ereg('^'.preg_quote(str_replace(DIRECTORY_SEPARATOR, '/', realpath($this->config_document_root))), $AbsoluteFilename)) {
$this->DebugMessage('!$this->config_allow_src_above_docroot therefore setting "'.$AbsoluteFilename.'" (outside "'.realpath($this->config_document_root).'") to null', __FILE__, __LINE__);
return false;
}
if (!$this->config_allow_src_above_phpthumb && !ereg('^'.preg_quote(str_replace(DIRECTORY_SEPARATOR, '/', dirname(__FILE__))), $AbsoluteFilename)) {
$this->DebugMessage('!$this->config_allow_src_above_phpthumb therefore setting "'.$AbsoluteFilename.'" (outside "'.dirname(__FILE__).'") to null', __FILE__, __LINE__);
return false;
}
return $AbsoluteFilename;
}
function ImageMagickWhichConvert() {
static $WhichConvert = null;
if (is_null($WhichConvert)) {
if ($this->iswindows) {
$WhichConvert = false;
} else {
$WhichConvert = trim(phpthumb_functions::SafeExec('which convert'));
}
}
return $WhichConvert;
}
function ImageMagickCommandlineBase() {
static $commandline = null;
if (is_null($commandline)) {
$commandline = $this->config_imagemagick_path;
$commandline = (!is_null($commandline) ? $commandline : '');
$which_convert = $this->ImageMagickWhichConvert();
$IMversion = $this->ImageMagickVersion();
if ($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 "'.substr(dirname($this->config_imagemagick_path), 2).'" && '.basename($this->config_imagemagick_path);
} else {
$commandline = '"'.$this->config_imagemagick_path.'"';
}
} elseif ($which_convert && ($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() {
static $versionstring = null;
if (is_null($versionstring)) {
$commandline = $this->ImageMagickCommandlineBase();
$commandline = (!is_null($commandline) ? $commandline : '');
if ($commandline) {
$commandline .= ' -version';
$versionstring = phpthumb_functions::SafeExec($commandline);
if (eregi('^Version: (.*) http', $versionstring, $matches)) {
$versionstring = $matches[1];
} else {
$versionstring = false;
$this->DebugMessage('ImageMagick did not return recognized version string ('.$versionstring.')', __FILE__, __LINE__);
}
}
}
return $versionstring;
}
function ImageMagickThumbnailToGD() {
// http://www.imagemagick.org/script/command-line-options.php
$this->useRawIMoutput = true;
if (phpthumb_functions::gd_version()) {
//$UnAllowedParameters = array('sx', 'sy', 'sw', 'sh', 'xto', 'ra', 'ar', 'bg', 'bc', 'fltr');
$UnAllowedParameters = array('xto', 'ra', 'ar', 'bg', 'bc', 'fltr');
foreach ($UnAllowedParameters as $dummy => $parameter) {
if ($this->$parameter) {
$this->DebugMessage('$this->useRawIMoutput=false because "'.$parameter.'" is set', __FILE__, __LINE__);
$this->useRawIMoutput = false;
break;
}
}
}
$outputFormat = $this->thumbnailFormat;
if (phpthumb_functions::gd_version()) {
if ($this->useRawIMoutput) {
switch ($this->thumbnailFormat) {
case 'gif':
$ImageCreateFunction = 'ImageCreateFromGIF';
$this->is_alpha = true;
break;
case 'png':
$ImageCreateFunction = 'ImageCreateFromPNG';
$this->is_alpha = true;
break;
case 'jpg':
case 'jpeg':
$ImageCreateFunction = 'ImageCreateFromJPEG';
break;
default:
$outputFormat = 'png';
$ImageCreateFunction = 'ImageCreateFromPNG';
$this->is_alpha = true;
$this->useRawIMoutput = false;
break;
}
if (!function_exists(@$ImageCreateFunction)) {
// ImageMagickThumbnailToGD() depends on ImageCreateFromPNG/ImageCreateFromGIF
//$this->DebugMessage('ImageMagickThumbnailToGD() aborting because '.@$ImageCreateFunction.'() is not available', __FILE__, __LINE__);
$this->useRawIMoutput = true;
//return false;
}
} else {
$outputFormat = 'png';
$ImageCreateFunction = 'ImageCreateFromPNG';
$this->is_alpha = true;
$this->useRawIMoutput = false;
}
}
// http://freealter.org/doc_distrib/ImageMagick-5.1.1/www/convert.html
if (!$this->sourceFilename) {
$this->DebugMessage('ImageMagickThumbnailToGD() aborting because $this->sourceFilename is empty', __FILE__, __LINE__);
$this->useRawIMoutput = false;
return false;
}
if (ini_get('safe_mode')) {
$this->DebugMessage('ImageMagickThumbnailToGD() aborting because safe_mode is enabled', __FILE__, __LINE__);
$this->useRawIMoutput = false;
return false;
}
$commandline = $this->ImageMagickCommandlineBase();
if ($commandline) {
if ($IMtempfilename = $this->phpThumb_tempnam()) {
if (!eregi('('.implode('|', $this->AlphaCapableFormats).')', $outputFormat)) {
// not a transparency-capable format
$commandline .= ' -background "#'.($this->bg ? $this->bg : 'FFFFFF').'"';
$commandline .= ' -flatten';
}
$IMtempfilename = realpath($IMtempfilename);
if ($getimagesize = GetImageSize($this->sourceFilename)) {
$this->DebugMessage('GetImageSize('.$this->sourceFilename.') returned [w='.$getimagesize[0].';h='.$getimagesize[1].';f='.$getimagesize[2].']', __FILE__, __LINE__);
$this->source_width = $getimagesize[0];
$this->source_height = $getimagesize[1];
$this->DebugMessage('source dimensions set to '.$this->source_width.'x'.$this->source_height, __FILE__, __LINE__);
$this->SetOrientationDependantWidthHeight();
$commandline .= ' -coalesce'; // may be needed for animated GIFs
if ($this->source_width || $this->source_height) {
if ($this->zc) {
$side = min($this->source_width, $this->source_height, max($this->w, $this->wp, $this->wl, $this->ws, $this->h, $this->hp, $this->hl, $this->hs));
if ($getimagesize[0] > $getimagesize[1]) {
$commandline .= ' -thumbnail x'.$side;
} else {
$commandline .= ' -thumbnail '.$side.'x';
}
$commandline .= ' -gravity center';
$commandline .= ' -crop '.$side.'x'.$side.'+0+0';
$commandline .= ' +repage';
} elseif ($this->sw || $this->sh || $this->sx || $this->sy) {
$commandline .= ' -crop '.($this->sw ? $this->sw : $this->source_width).'x'.($this->sh ? $this->sh : $this->source_height).'+'.$this->sx.'+'.$this->sy;
// this is broken for aoe=1, but unsure how to fix. Send advice to info@silisoftware.com
} else {
$this->w = (($this->aoe && $this->w) ? max($this->w, $getimagesize[0]) : ($this->w ? phpthumb_functions::nonempty_min($this->w, $getimagesize[0]) : ''));
$this->h = (($this->aoe && $this->h) ? max($this->h, $getimagesize[1]) : ($this->h ? phpthumb_functions::nonempty_min($this->h, $getimagesize[1]) : ''));
if ($this->w || $this->h) {
$commandline .= ' -thumbnail '.$this->w.'x'.$this->h;
if ($this->iar && (intval($this->w) > 0) && (intval($this->h) > 0)) {
$commandline .= '!';
}
}
}
}
} else {
$this->DebugMessage('GetImageSize('.$this->sourceFilename.') failed', __FILE__, __LINE__);
$commandline .= ' -thumbnail '.$this->w.'x'.$this->h;
if ($this->iar && (intval($this->w) > 0) && (intval($this->h) > 0)) {
$commandline .= '!';
}
}
foreach ($this->fltr as $filterkey => $filtercommand) {
@list($command, $parameter) = explode('|', $filtercommand, 2);
switch ($command) {
case 'brit':
$commandline .= ' -modulate '.(100 + $parameter).',100,100';
unset($this->fltr[$filterkey]);
break;
case 'cont':
$contDiv10 = round($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[$filterkey]);
break;
case 'ds':
if ($parameter == 100) {
$commandline .= ' -colorspace GRAY -modulate 100,0,100';
} else {
$commandline .= ' -modulate 100,'.(100 - $parameter).',100';
}
unset($this->fltr[$filterkey]);
break;
case 'sat':
if ($parameter == -100) {
$commandline .= ' -colorspace GRAY -modulate 100,0,100';
} else {
$commandline .= ' -modulate 100,'.(100 + $parameter).',100';
}
unset($this->fltr[$filterkey]);
break;
case 'gray':
$commandline .= ' -colorspace GRAY -modulate 100,0,100';
//$commandline .= ' -colorspace GRAY';
unset($this->fltr[$filterkey]);
break;
case 'clr':
@list($amount, $color) = explode('|', $parameter);
$commandline .= ' -fill #'.$color.' -colorize '.$amount;
break;
case 'sep':
@list($amount, $color) = explode('|', $parameter);
$amount = ($amount ? $amount : 80);
if (!$color) {
$commandline .= ' -sepia-tone '.$amount.'%';
unset($this->fltr[$filterkey]);
}
break;
case 'gam':
$commandline .= ' -gamma '.$parameter;
unset($this->fltr[$filterkey]);
break;
case 'neg':
$commandline .= ' -negate';
unset($this->fltr[$filterkey]);
break;
case 'th':
$commandline .= ' -threshold '.round($parameter / 2.55).'% -dither -monochrome';
unset($this->fltr[$filterkey]);
break;
case 'rcd':
@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 (strpos(strtolower($parameter), 'x') !== false) {
$commandline .= ' -flop';
}
if (strpos(strtolower($parameter), 'y') !== false) {
$commandline .= ' -flip';
}
unset($this->fltr[$filterkey]);
break;
case 'edge':
$parameter = ($parameter ? $parameter : 2);
$commandline .= ' -edge '.($parameter ? $parameter : 1);
unset($this->fltr[$filterkey]);
break;
case 'emb':
$parameter = ($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, $min, $max) = explode('|', $parameter);
$band = ($band ? $band : '*');
$min = ((strlen($min) > 0) ? $min : '-1');
$max = ((strlen($max) > 0) ? $max : '-1');
if ($band == '*') {
if (($min == -1) && ($max == -1)) {
$commandline .= ' -normalize';
unset($this->fltr[$filterkey]);
} elseif (($min == -1) || ($max == -1)) {
//
} else {
$commandline .= ' -level '.$min.'%,'.$max.'%';
unset($this->fltr[$filterkey]);
}
}
break;
case 'blur':
@list($radius) = explode('|', $parameter);
$radius = ($radius ? $radius : 1);
$commandline .= ' -blur '.$radius;
unset($this->fltr[$filterkey]);
break;
case 'gblr':
@list($radius) = explode('|', $parameter);
$radius = ($radius ? $radius : 1);
$commandline .= ' -gaussian '.$radius;
unset($this->fltr[$filterkey]);
break;
case 'usm':
@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 'sblr':
break;
case 'mean':
break;
case 'smth':
break;
case 'bvl':
break;
case 'wmi':
break;
case 'wmt':
break;
case 'over':
break;
case 'wb':
break;
case 'hist':
break;
case 'fram':
break;
case 'drop':
break;
case 'mask':
break;
case 'elip':
break;
case 'ric':
break;
case 'bord':
break;
}
if (!isset($this->fltr[$filterkey])) {
$this->DebugMessage('Processed $this->fltr['.$filterkey.'] ('.$filtercommand.') with ImageMagick', __FILE__, __LINE__);
} else {
$this->DebugMessage('Skipping $this->fltr['.$filterkey.'] ('.$filtercommand.') with ImageMagick', __FILE__, __LINE__);
}
}
$this->DebugMessage('Remaining $this->fltr after ImageMagick: ('.$this->phpThumbDebugVarDump($this->fltr).')', __FILE__, __LINE__);
if (eregi('jpe?g', $outputFormat) && $this->q) {
$commandline .= ' -quality '.$this->thumbnailQuality;
if ($this->config_output_interlace) {
// causes weird things with animated GIF... leave for JPEG only
$commandline .= ' -interlace line '; // Use Line or Plane to create an interlaced PNG or GIF or progressive JPEG image
}
}
$commandline .= ' "'.str_replace('/', DIRECTORY_SEPARATOR, $this->sourceFilename).(($outputFormat == 'gif') ? '' : '[0]').'"'; // [0] means first frame of (GIF) animation, can be ignored
$commandline .= ' '.$outputFormat.':"'.$IMtempfilename.'"';
$commandline .= ' 2>&1';
$this->DebugMessage('ImageMagick called as ('.$commandline.')', __FILE__, __LINE__);
$IMresult = phpthumb_functions::SafeExec($commandline);
//var_Dump($commandline);
//var_dump($ImageCreateFunction);
//exit;
clearstatcache();
if (!file_exists($IMtempfilename) || !filesize($IMtempfilename)) {
$this->DebugMessage('ImageMagick failed with message ('.$IMresult.')', __FILE__, __LINE__);
} else {
$this->IMresizedData = file_get_contents($IMtempfilename);
if (function_exists(@$ImageCreateFunction) && ($this->gdimg_source = @$ImageCreateFunction($IMtempfilename))) {
//header('Content-Type: image/png');
//phpthumb_functions::gd_ImageSaveAlpha($this->gdimg_source, true);
//ImagePNG($this->gdimg_source);
//exit;
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
$this->DebugMessage('ImageMagickThumbnailToGD::'.$ImageCreateFunction.'() succeeded, $this->gdimg_source is now ('.$this->source_width.'x'.$this->source_height.')', __FILE__, __LINE__);
$this->DebugMessage('ImageMagickThumbnailToGD() returning $IMresizedData ('.strlen($this->IMresizedData).' bytes)', __FILE__, __LINE__);
} else {
$this->useRawIMoutput = true;
$this->DebugMessage('$this->useRawIMoutput set to TRUE because '.@$ImageCreateFunction.'('.$IMtempfilename.') failed', __FILE__, __LINE__);
}
@unlink($IMtempfilename);
return true;
}
unlink($IMtempfilename);
} else {
$this->DebugMessage('ImageMagickThumbnailToGD() aborting, phpThumb_tempnam() failed', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('ImageMagickThumbnailToGD() aborting because ImageMagickCommandlineBase() failed', __FILE__, __LINE__);
}
$this->useRawIMoutput = false;
return false;
}
function Rotate() {
if ($this->ra || $this->ar) {
if (!function_exists('ImageRotate')) {
$this->DebugMessage('!function_exists(ImageRotate)', __FILE__, __LINE__);
return false;
}
if (!include_once(dirname(__FILE__).'/phpthumb.filters.php')) {
$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.filters.php" which is required for applying filters ('.implode(';', $this->fltr).')', __FILE__, __LINE__);
return false;
}
$this->config_background_hexcolor = ($this->bg ? $this->bg : $this->config_background_hexcolor);
if (!phpthumb_functions::IsHexColor($this->config_background_hexcolor)) {
return $this->ErrorImage('Invalid hex color string "'.$this->config_background_hexcolor.'" for parameter "bg"');
}
$rotate_angle = 0;
if ($this->ra) {
$rotate_angle = floatval($this->ra);
} else {
if ($this->ar == 'x') {
if (phpthumb_functions::version_compare_replacement(phpversion(), '4.2.0', '>=')) {
if ($this->sourceFilename) {
if (function_exists('exif_read_data')) {
if ($exif_data = @exif_read_data($this->sourceFilename, 'IFD0')) {
// http://sylvana.net/jpegcrop/exif_orientation.html
switch (@$exif_data['Orientation']) {
case 1:
$rotate_angle = 0;
break;
case 3:
$rotate_angle = 180;
break;
case 6:
$rotate_angle = 270;
break;
case 8:
$rotate_angle = 90;
break;
default:
$this->DebugMessage('EXIF auto-rotate failed because unknown $exif_data[Orientation] "'.@$exif_data['Orientation'].'"', __FILE__, __LINE__);
return false;
break;
}
$this->DebugMessage('EXIF auto-rotate set to '.$rotate_angle.' degrees ($exif_data[Orientation] = "'.@$exif_data['Orientation'].'")', __FILE__, __LINE__);
} else {
$this->DebugMessage('failed: exif_read_data('.$this->sourceFilename.')', __FILE__, __LINE__);
return false;
}
} else {
$this->DebugMessage('!function_exists(exif_read_data)', __FILE__, __LINE__);
return false;
}
} else {
$this->DebugMessage('Cannot auto-rotate from EXIF data because $this->sourceFilename is empty', __FILE__, __LINE__);
return false;
}
} else {
$this->DebugMessage('Cannot auto-rotate from EXIF data because PHP is less than v4.2.0 ('.phpversion().')', __FILE__, __LINE__);
return false;
}
} elseif (($this->ar == 'l') && ($this->source_height > $this->source_width)) {
$rotate_angle = 270;
} elseif (($this->ar == 'L') && ($this->source_height > $this->source_width)) {
$rotate_angle = 90;
} elseif (($this->ar == 'p') && ($this->source_width > $this->source_height)) {
$rotate_angle = 90;
} elseif (($this->ar == 'P') && ($this->source_width > $this->source_height)) {
$rotate_angle = 270;
}
}
while ($rotate_angle < 0) {
$rotate_angle += 360;
}
$rotate_angle = $rotate_angle % 360;
if ($rotate_angle != 0) {
if ($rotate_angle % 90) {
$this->is_alpha = true;
}
$background_color = phpthumb_functions::ImageHexColorAllocate($this->gdimg_source, $this->config_background_hexcolor);
//if ((phpthumb_functions::gd_version() >= 2) && in_array($this->thumbnailFormat, $this->AlphaCapableFormats) && !$this->bg && ($rotate_angle % 90)) {
if ((phpthumb_functions::gd_version() >= 2) && !$this->bg && ($rotate_angle % 90)) {
$this->DebugMessage('Using alpha rotate', __FILE__, __LINE__);
if ($gdimg_rotate_mask = phpthumb_functions::ImageCreateFunction(ImageSX($this->gdimg_source), ImageSY($this->gdimg_source))) {
for ($i = 0; $i <= 255; $i++) {
$color_mask[$i] = ImageColorAllocate($gdimg_rotate_mask, $i, $i, $i);
}
ImageFilledRectangle($gdimg_rotate_mask, 0, 0, ImageSX($gdimg_rotate_mask), ImageSY($gdimg_rotate_mask), $color_mask[255]);
$imageX = ImageSX($this->gdimg_source);
$imageY = ImageSY($this->gdimg_source);
for ($x = 0; $x < $imageX; $x++) {
for ($y = 0; $y < $imageY; $y++) {
$pixelcolor = phpthumb_functions::GetPixelColor($this->gdimg_source, $x, $y);
ImageSetPixel($gdimg_rotate_mask, $x, $y, $color_mask[255 - round($pixelcolor['alpha'] * 255 / 127)]);
}
}
$gdimg_rotate_mask = ImageRotate($gdimg_rotate_mask, $rotate_angle, $color_mask[0]);
$this->gdimg_source = ImageRotate($this->gdimg_source, $rotate_angle, $background_color);
ImageAlphaBlending($this->gdimg_source, false);
phpthumb_functions::gd_ImageSaveAlpha($this->gdimg_source, true);
$this->is_alpha = true;
$phpThumbFilters = new phpthumb_filters();
$phpThumbFilters->phpThumbObject = $this;
$phpThumbFilters->ApplyMask($gdimg_rotate_mask, $this->gdimg_source);
ImageDestroy($gdimg_rotate_mask);
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
} else {
$this->DebugMessage('ImageCreateFunction() failed', __FILE__, __LINE__);
}
} else {
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Using non-alpha rotate because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
} elseif ($this->bg) {
$this->DebugMessage('Using non-alpha rotate because $this->bg is "'.$this->bg.'"', __FILE__, __LINE__);
} elseif ($this->bg) {
$this->DebugMessage('Using non-alpha rotate because ($rotate_angle % 90) = "'.($rotate_angle % 90).'"', __FILE__, __LINE__);
} else {
$this->DebugMessage('Using non-alpha rotate because $this->thumbnailFormat is "'.$this->thumbnailFormat.'"', __FILE__, __LINE__);
}
if (ImageColorTransparent($this->gdimg_source) >= 0) {
// ImageRotate() forgets all about an image's transparency and sets the transparent color to black
// To compensate, flood-fill the transparent color of the source image with the specified background color first
// then rotate and the colors should match
if (!function_exists('ImageIsTrueColor') || !ImageIsTrueColor($this->gdimg_source)) {
// convert paletted image to true-color before rotating to prevent nasty aliasing artifacts
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
$gdimg_newsrc = phpthumb_functions::ImageCreateFunction($this->source_width, $this->source_height);
$background_color = phpthumb_functions::ImageHexColorAllocate($gdimg_newsrc, $this->config_background_hexcolor);
ImageFilledRectangle($gdimg_newsrc, 0, 0, $this->source_width, $this->source_height, phpthumb_functions::ImageHexColorAllocate($gdimg_newsrc, $this->config_background_hexcolor));
ImageCopy($gdimg_newsrc, $this->gdimg_source, 0, 0, 0, 0, $this->source_width, $this->source_height);
ImageDestroy($this->gdimg_source);
unset($this->gdimg_source);
$this->gdimg_source = $gdimg_newsrc;
unset($gdimg_newsrc);
} else {
ImageColorSet(
$this->gdimg_source,
ImageColorTransparent($this->gdimg_source),
hexdec(substr($this->config_background_hexcolor, 0, 2)),
hexdec(substr($this->config_background_hexcolor, 2, 2)),
hexdec(substr($this->config_background_hexcolor, 4, 2)));
ImageColorTransparent($this->gdimg_source, -1);
}
}
$this->gdimg_source = ImageRotate($this->gdimg_source, $rotate_angle, $background_color);
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
}
}
}
return true;
}
function FixedAspectRatio() {
// optional fixed-dimension images (regardless of aspect ratio)
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 * $aspectratio);
if (!$this->h) {
$this->thumbnail_height = $this->thumbnail_image_height;
}
} elseif ($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 AntiOffsiteLinking() {
// Optional anti-offsite hijacking of the thumbnail script
$allow = true;
if ($allow && $this->config_nooffsitelink_enabled && (@$_SERVER['HTTP_REFERER'] || $this->config_nooffsitelink_require_refer)) {
$this->DebugMessage('AntiOffsiteLinking() checking $_SERVER[HTTP_REFERER] "'.@$_SERVER['HTTP_REFERER'].'"', __FILE__, __LINE__);
$parsed_url = parse_url(@$_SERVER['HTTP_REFERER']);
if (!in_array(@$parsed_url['host'], $this->config_nooffsitelink_valid_domains)) {
$allow = false;
$erase = $this->config_nooffsitelink_erase_image;
$message = $this->config_nooffsitelink_text_message;
$this->DebugMessage('AntiOffsiteLinking() - "'.@$parsed_url['host'].'" is NOT in $this->config_nooffsitelink_valid_domains ('.implode(';', $this->config_nooffsitelink_valid_domains).')', __FILE__, __LINE__);
} else {
$this->DebugMessage('AntiOffsiteLinking() - "'.@$parsed_url['host'].'" is in $this->config_nooffsitelink_valid_domains ('.implode(';', $this->config_nooffsitelink_valid_domains).')', __FILE__, __LINE__);
}
}
if ($allow && $this->config_nohotlink_enabled && eregi('^(f|ht)tps?://', $this->src)) {
$parsed_url = parse_url($this->src);
if (!in_array(@$parsed_url['host'], $this->config_nohotlink_valid_domains)) {
// This domain is not allowed
$allow = false;
$erase = $this->config_nohotlink_erase_image;
$message = $this->config_nohotlink_text_message;
$this->DebugMessage('AntiOffsiteLinking() - "'.$parsed_url['host'].'" is NOT in $this->config_nohotlink_valid_domains ('.implode(';', $this->config_nohotlink_valid_domains).')', __FILE__, __LINE__);
} else {
$this->DebugMessage('AntiOffsiteLinking() - "'.$parsed_url['host'].'" is in $this->config_nohotlink_valid_domains ('.implode(';', $this->config_nohotlink_valid_domains).')', __FILE__, __LINE__);
}
}
if ($allow) {
$this->DebugMessage('AntiOffsiteLinking() says this is allowed', __FILE__, __LINE__);
return true;
}
if (!phpthumb_functions::IsHexColor($this->config_error_bgcolor)) {
return $this->ErrorImage('Invalid hex color string "'.$this->config_error_bgcolor.'" for $this->config_error_bgcolor');
}
if (!phpthumb_functions::IsHexColor($this->config_error_textcolor)) {
return $this->ErrorImage('Invalid hex color string "'.$this->config_error_textcolor.'" for $this->config_error_textcolor');
}
if ($erase) {
return $this->ErrorImage($message, $this->thumbnail_width, $this->thumbnail_height, $this->config_error_bgcolor, $this->config_error_textcolor, $this->config_error_fontsize);
} else {
$nohotlink_text_array = explode("\n", wordwrap($message, floor($this->thumbnail_width / ImageFontWidth($this->config_error_fontsize)), "\n"));
$nohotlink_text_color = phpthumb_functions::ImageHexColorAllocate($this->gdimg_output, $this->config_error_textcolor);
$topoffset = round(($this->thumbnail_height - (count($nohotlink_text_array) * ImageFontHeight($this->config_error_fontsize))) / 2);
$rowcounter = 0;
$this->DebugMessage('AntiOffsiteLinking() writing '.count($nohotlink_text_array).' lines of text "'.$message.'" (in #'.$this->config_error_textcolor.') on top of image', __FILE__, __LINE__);
foreach ($nohotlink_text_array as $dummy => $textline) {
$leftoffset = max(0, round(($this->thumbnail_width - (strlen($textline) * ImageFontWidth($this->config_error_fontsize))) / 2));
ImageString($this->gdimg_output, $this->config_error_fontsize, $leftoffset, $topoffset + ($rowcounter++ * ImageFontHeight($this->config_error_fontsize)), $textline, $nohotlink_text_color);
}
}
return true;
}
function AlphaChannelFlatten() {
if (!$this->is_alpha) {
// image doesn't have alpha transparency, no need to flatten
$this->DebugMessage('skipping AlphaChannelFlatten() because !$this->is_alpha', __FILE__, __LINE__);
return false;
}
switch ($this->thumbnailFormat) {
case 'png':
case 'ico':
// image has alpha transparency, but output as PNG or ICO which can handle it
$this->DebugMessage('skipping AlphaChannelFlatten() because ($this->thumbnailFormat == "'.$this->thumbnailFormat.'")', __FILE__, __LINE__);
return false;
break;
case 'gif':
// image has alpha transparency, but output as GIF which can handle only single-color transparency
$CurrentImageColorTransparent = ImageColorTransparent($this->gdimg_output);
if ($CurrentImageColorTransparent == -1) {
// no transparent color defined
if (phpthumb_functions::gd_version() < 2.0) {
$this->DebugMessage('AlphaChannelFlatten() failed because GD version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
if ($img_alpha_mixdown_dither = @ImageCreateTrueColor(ImageSX($this->gdimg_output), ImageSY($this->gdimg_output))) {
for ($i = 0; $i <= 255; $i++) {
$dither_color[$i] = ImageColorAllocate($img_alpha_mixdown_dither, $i, $i, $i);
}
// scan through current truecolor image copy alpha channel to temp image as grayscale
for ($x = 0; $x < $this->thumbnail_width; $x++) {
for ($y = 0; $y < $this->thumbnail_height; $y++) {
$PixelColor = phpthumb_functions::GetPixelColor($this->gdimg_output, $x, $y);
ImageSetPixel($img_alpha_mixdown_dither, $x, $y, $dither_color[($PixelColor['alpha'] * 2)]);
}
}
// dither alpha channel grayscale version down to 2 colors
ImageTrueColorToPalette($img_alpha_mixdown_dither, true, 2);
// reduce color palette to 256-1 colors (leave one palette position for transparent color)
ImageTrueColorToPalette($this->gdimg_output, true, 255);
// allocate a new color for transparent color index
$TransparentColor = ImageColorAllocate($this->gdimg_output, 1, 254, 253);
ImageColorTransparent($this->gdimg_output, $TransparentColor);
// scan through alpha channel image and note pixels with >50% transparency
$TransparentPixels = array();
for ($x = 0; $x < $this->thumbnail_width; $x++) {
for ($y = 0; $y < $this->thumbnail_height; $y++) {
$AlphaChannelPixel = phpthumb_functions::GetPixelColor($img_alpha_mixdown_dither, $x, $y);
if ($AlphaChannelPixel['red'] > 127) {
ImageSetPixel($this->gdimg_output, $x, $y, $TransparentColor);
}
}
}
ImageDestroy($img_alpha_mixdown_dither);
$this->DebugMessage('AlphaChannelFlatten() set image to 255+1 colors with transparency for GIF output', __FILE__, __LINE__);
return true;
} else {
$this->DebugMessage('AlphaChannelFlatten() failed ImageCreate('.ImageSX($this->gdimg_output).', '.ImageSY($this->gdimg_output).')', __FILE__, __LINE__);
return false;
}
} else {
// a single transparent color already defined, leave as-is
$this->DebugMessage('skipping AlphaChannelFlatten() because ($this->thumbnailFormat == "'.$this->thumbnailFormat.'") and ImageColorTransparent returned "'.$CurrentImageColorTransparent.'"', __FILE__, __LINE__);
return true;
}
break;
}
$this->DebugMessage('continuing AlphaChannelFlatten() for output format "'.$this->thumbnailFormat.'"', __FILE__, __LINE__);
// image has alpha transparency, and is being output in a format that doesn't support it -- flatten
if ($gdimg_flatten_temp = phpthumb_functions::ImageCreateFunction($this->thumbnail_width, $this->thumbnail_height)) {
$this->config_background_hexcolor = ($this->bg ? $this->bg : $this->config_background_hexcolor);
if (!phpthumb_functions::IsHexColor($this->config_background_hexcolor)) {
return $this->ErrorImage('Invalid hex color string "'.$this->config_background_hexcolor.'" for parameter "bg"');
}
$background_color = phpthumb_functions::ImageHexColorAllocate($this->gdimg_output, $this->config_background_hexcolor);
ImageFilledRectangle($gdimg_flatten_temp, 0, 0, $this->thumbnail_width, $this->thumbnail_height, $background_color);
ImageCopy($gdimg_flatten_temp, $this->gdimg_output, 0, 0, 0, 0, $this->thumbnail_width, $this->thumbnail_height);
ImageAlphaBlending($this->gdimg_output, true);
phpthumb_functions::gd_ImageSaveAlpha($this->gdimg_output, false);
ImageColorTransparent($this->gdimg_output, -1);
ImageCopy($this->gdimg_output, $gdimg_flatten_temp, 0, 0, 0, 0, $this->thumbnail_width, $this->thumbnail_height);
ImageDestroy($gdimg_flatten_temp);
return true;
} else {
$this->DebugMessage('ImageCreateFunction() failed', __FILE__, __LINE__);
}
return false;
}
function ApplyFilters() {
if ($this->fltr && is_array($this->fltr)) {
if (!include_once(dirname(__FILE__).'/phpthumb.filters.php')) {
$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.filters.php" which is required for applying filters ('.implode(';', $this->fltr).')', __FILE__, __LINE__);
return false;
}
$phpthumbFilters = new phpthumb_filters();
$phpthumbFilters->phpThumbObject = $this;
foreach ($this->fltr as $dummy => $filtercommand) {
@list($command, $parameter) = explode('|', $filtercommand, 2);
$this->DebugMessage('Attempting to process filter command "'.$command.'('.$parameter.')"', __FILE__, __LINE__);
switch ($command) {
case 'brit':
$phpthumbFilters->Brightness($this->gdimg_output, $parameter);
break;
case 'cont':
$phpthumbFilters->Contrast($this->gdimg_output, $parameter);
break;
case 'ds':
$phpthumbFilters->Desaturate($this->gdimg_output, $parameter, '');
break;
case 'sat':
$phpthumbFilters->Saturation($this->gdimg_output, $parameter, '');
break;
case 'gray':
$phpthumbFilters->Grayscale($this->gdimg_output);
break;
case 'clr':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Colorize() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
break;
}
@list($amount, $color) = explode('|', $parameter);
$phpthumbFilters->Colorize($this->gdimg_output, $amount, $color);
break;
case 'sep':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Sepia() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
break;
}
@list($amount, $color) = explode('|', $parameter);
$phpthumbFilters->Sepia($this->gdimg_output, $amount, $color);
break;
case 'gam':
$phpthumbFilters->Gamma($this->gdimg_output, $parameter);
break;
case 'neg':
$phpthumbFilters->Negative($this->gdimg_output);
break;
case 'th':
$phpthumbFilters->Threshold($this->gdimg_output, $parameter);
break;
case 'rcd':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping ReduceColorDepth() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
break;
}
@list($colors, $dither) = explode('|', $parameter);
$colors = ($colors ? (int) $colors : 256);
$dither = ((strlen($dither) > 0) ? (bool) $dither : true);
$phpthumbFilters->ReduceColorDepth($this->gdimg_output, $colors, $dither);
break;
case 'flip':
$phpthumbFilters->Flip($this->gdimg_output, (strpos(strtolower($parameter), 'x') !== false), (strpos(strtolower($parameter), 'y') !== false));
break;
case 'edge':
$phpthumbFilters->EdgeDetect($this->gdimg_output);
break;
case 'emb':
$phpthumbFilters->Emboss($this->gdimg_output);
break;
case 'bvl':
@list($width, $color1, $color2) = explode('|', $parameter);
$phpthumbFilters->Bevel($this->gdimg_output, $width, $color1, $color2);
break;
case 'lvl':
@list($band, $min, $max) = explode('|', $parameter);
$band = ($band ? $band : '*');
$min = ((strlen($min) > 0) ? $min : '-1');
$max = ((strlen($max) > 0) ? $max : '-1');
$phpthumbFilters->HistogramStretch($this->gdimg_output, $band, $min, $max);
break;
case 'wb':
$phpthumbFilters->WhiteBalance($this->gdimg_output, $parameter);
break;
case 'hist':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping HistogramOverlay() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
break;
}
@list($bands, $colors, $width, $height, $alignment, $opacity, $margin) = explode('|', $parameter);
$bands = ($bands ? $bands : '*');
$colors = ($colors ? $colors : '');
$width = ($width ? $width : 0.25);
$height = ($height ? $height : 0.25);
$alignment = ($alignment ? $alignment : 'BR');
$opacity = ($opacity ? $opacity : 50);
$margin = ($margin ? $margin : 5);
$phpthumbFilters->HistogramOverlay($this->gdimg_output, $bands, $colors, $width, $height, $alignment, $opacity, $margin);
break;
case 'fram':
@list($frame_width, $edge_width, $color_frame, $color1, $color2) = explode('|', $parameter);
$phpthumbFilters->Frame($this->gdimg_output, $frame_width, $edge_width, $color_frame, $color1, $color2);
break;
case 'drop':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping DropShadow() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
$this->is_alpha = true;
@list($distance, $width, $color, $angle, $fade) = explode('|', $parameter);
$phpthumbFilters->DropShadow($this->gdimg_output, $distance, $width, $color, $angle, $fade);
break;
case 'mask':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Mask() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
$mask_filename = $this->ResolveFilenameToAbsolute($parameter);
if (@is_readable($mask_filename) && ($fp_mask = @fopen($mask_filename, 'rb'))) {
$MaskImageData = fread($fp_mask, filesize($mask_filename));
fclose($fp_mask);
if ($gdimg_mask = $this->ImageCreateFromStringReplacement($MaskImageData)) {
$this->is_alpha = true;
$phpthumbFilters->ApplyMask($gdimg_mask, $this->gdimg_output);
ImageDestroy($gdimg_mask);
} else {
$this->DebugMessage('ImageCreateFromStringReplacement() failed for "'.$mask_filename.'"', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('Cannot open mask file "'.$mask_filename.'"', __FILE__, __LINE__);
}
break;
case 'elip':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Elipse() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
$this->is_alpha = true;
$phpthumbFilters->Elipse($this->gdimg_output);
break;
case 'ric':
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping RoundedImageCorners() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
@list($radius_x, $radius_y) = explode('|', $parameter);
if (($radius_x < 1) || ($radius_y < 1)) {
$this->DebugMessage('Skipping RoundedImageCorners('.$radius_x.', '.$radius_y.') because x/y radius is less than 1', __FILE__, __LINE__);
break;
}
$this->is_alpha = true;
$phpthumbFilters->RoundedImageCorners($this->gdimg_output, $radius_x, $radius_y);
break;
case 'bord':
@list($border_width, $radius_x, $radius_y, $hexcolor_border) = explode('|', $parameter);
$this->is_alpha = true;
$phpthumbFilters->ImageBorder($this->gdimg_output, $border_width, $radius_x, $radius_y, $hexcolor_border);
break;
case 'over':
@list($filename, $underlay, $margin, $opacity) = explode('|', $parameter);
$underlay = (bool) ($underlay ? $underlay : false);
$margin = ((strlen($margin) > 0) ? $margin : ($underlay ? 0.1 : 0.0));
$opacity = ((strlen($opacity) > 0) ? $opacity : 100);
if (($margin > 0) && ($margin < 1)) {
$margin = min(0.499, $margin);
} elseif (($margin > -1) && ($margin < 0)) {
$margin = max(-0.499, $margin);
}
$filename = $this->ResolveFilenameToAbsolute($filename);
if (@is_readable($filename) && ($fp_watermark = @fopen($filename, 'rb'))) {
$WatermarkImageData = fread($fp_watermark, filesize($filename));
fclose($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);
phpthumb_functions::gd_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);
phpthumb_functions::gd_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);
phpthumb_functions::gd_ImageSaveAlpha($img_watermark_resized, true);
$this->ImageResizeFunction($img_watermark_resized, $img_watermark, 0, 0, 0, 0, ImageSX($img_watermark_resized), ImageSY($img_watermark_resized), ImageSX($img_watermark), ImageSY($img_watermark));
$phpthumbFilters->WatermarkOverlay($this->gdimg_output, $img_watermark_resized, 'C', $opacity, $margin);
ImageDestroy($img_watermark_resized);
} else {
$this->DebugMessage('phpthumb_functions::ImageCreateFunction('.$resized_x.', '.$resized_y.')', __FILE__, __LINE__);
}
}
ImageDestroy($img_watermark);
} else {
$this->DebugMessage('ImageCreateFromStringReplacement() failed for "'.$filename.'"', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('Cannot open overlay file "'.$filename.'"', __FILE__, __LINE__);
}
break;
case 'wmi':
@list($filename, $alignment, $opacity, $margin) = explode('|', $parameter);
$alignment = ($alignment ? $alignment : 'BR');
$opacity = (strlen($opacity) ? $opacity : 50);
$margin = (strlen($margin) ? $margin : 5);
$filename = $this->ResolveFilenameToAbsolute($filename);
if (@is_readable($filename)) {
if ($img_watermark = $this->ImageCreateFromFilename($filename, $rawImageData)) {
// great
$phpthumbFilters->WatermarkOverlay($this->gdimg_output, $img_watermark, $alignment, $opacity, $margin);
ImageDestroy($img_watermark);
} else {
$this->DebugMessage('ImageCreateFromFilename() failed for "'.$filename.'"', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('!is_readable('.$filename.')', __FILE__, __LINE__);
}
break;
case 'wmt':
@list($text, $size, $alignment, $hex_color, $ttffont, $opacity, $margin, $angle, $bg_color, $bg_opacity, $fillextend) = explode('|', $parameter);
$text = ($text ? $text : '');
$size = ($size ? $size : 3);
$alignment = ($alignment ? $alignment : 'BR');
$hex_color = ($hex_color ? $hex_color : '000000');
$ttffont = ($ttffont ? $ttffont : '');
$opacity = (strlen($opacity) ? $opacity : 50);
$margin = (strlen($margin) ? $margin : 5);
$angle = (strlen($angle) ? $angle : 0);
$bg_color = ($bg_color ? $bg_color : false);
$bg_opacity = ($bg_opacity ? $bg_opacity : 0);
$fillextend = ($fillextend ? $fillextend : '');
if (basename($ttffont) == $ttffont) {
$ttffont = realpath($this->config_ttf_directory.DIRECTORY_SEPARATOR.$ttffont);
} else {
$ttffont = $this->ResolveFilenameToAbsolute($ttffont);
}
$phpthumbFilters->WatermarkText($this->gdimg_output, $text, $size, $alignment, $hex_color, $ttffont, $opacity, $margin, $angle, $bg_color, $bg_opacity, $fillextend);
break;
case 'blur':
@list($radius) = explode('|', $parameter);
$radius = ($radius ? $radius : 1);
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping Blur() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
$phpthumbFilters->Blur($this->gdimg_output, $radius);
break;
case 'gblr':
$phpthumbFilters->BlurGaussian($this->gdimg_output);
break;
case 'sblr':
$phpthumbFilters->BlurSelective($this->gdimg_output);
break;
case 'mean':
$phpthumbFilters->MeanRemoval($this->gdimg_output);
break;
case 'smth':
$phpthumbFilters->Smooth($this->gdimg_output, $parameter);
break;
case 'usm':
@list($amount, $radius, $threshold) = explode('|', $parameter);
$amount = ($amount ? $amount : 80);
$radius = ($radius ? $radius : 0.5);
$threshold = (strlen($threshold) ? $threshold : 3);
if (phpthumb_functions::gd_version() >= 2.0) {
ob_start();
if (!@include_once(dirname(__FILE__).'/phpthumb.unsharp.php')) {
$include_error = ob_get_contents();
if ($include_error) {
$this->DebugMessage('include_once("'.dirname(__FILE__).'/phpthumb.unsharp.php") generated message: "'.$include_error.'"', __FILE__, __LINE__);
}
$this->DebugMessage('Error including "'.dirname(__FILE__).'/phpthumb.unsharp.php" which is required for unsharp masking', __FILE__, __LINE__);
ob_end_clean();
return false;
}
ob_end_clean();
phpUnsharpMask::applyUnsharpMask($this->gdimg_output, $amount, $radius, $threshold);
} else {
$this->DebugMessage('Skipping unsharp mask because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
break;
}
}
}
return true;
}
function MaxFileSize() {
if (phpthumb_functions::gd_version() < 2) {
$this->DebugMessage('Skipping MaxFileSize() because gd_version is "'.phpthumb_functions::gd_version().'"', __FILE__, __LINE__);
return false;
}
if ($this->maxb > 0) {
switch ($this->thumbnailFormat) {
case 'png':
case 'gif':
$imgRenderFunction = 'image'.$this->thumbnailFormat;
ob_start();
$imgRenderFunction($this->gdimg_output);
$imgdata = ob_get_contents();
ob_end_clean();
if (strlen($imgdata) > $this->maxb) {
for ($i = 8; $i >= 1; $i--) {
$tempIMG = ImageCreateTrueColor(ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));
ImageCopy($tempIMG, $this->gdimg_output, 0, 0, 0, 0, ImageSX($this->gdimg_output), ImageSY($this->gdimg_output));
ImageTrueColorToPalette($tempIMG, true, pow(2, $i));
ob_start();
$imgRenderFunction($tempIMG);
$imgdata = ob_get_contents();
ob_end_clean();
if (strlen($imgdata) <= $this->maxb) {
ImageTrueColorToPalette($this->gdimg_output, true, pow(2, $i));
break;
}
}
}
if (strlen($imgdata) > $this->maxb) {
ImageTrueColorToPalette($this->gdimg_output, true, pow(2, $i));
return false;
}
break;
case 'jpeg':
ob_start();
ImageJPEG($this->gdimg_output);
$imgdata = ob_get_contents();
ob_end_clean();
$OriginalJPEGquality = $this->thumbnailQuality;
if (strlen($imgdata) > $this->maxb) {
for ($i = 3; $i < 20; $i++) {
$q = round(100 * (1 - log10($i / 2)));
ob_start();
ImageJPEG($this->gdimg_output, '', $q);
$imgdata = ob_get_contents();
ob_end_clean();
$this->thumbnailQuality = $q;
if (strlen($imgdata) <= $this->maxb) {
break;
}
}
}
if (strlen($imgdata) > $this->maxb) {
return false;
}
break;
default:
return false;
break;
}
}
return true;
}
function CalculateThumbnailDimensions() {
$this->thumbnailCropX = ($this->sx ? (($this->sx >= 1) ? $this->sx : round($this->sx * $this->source_width)) : 0);
$this->thumbnailCropY = ($this->sy ? (($this->sy >= 1) ? $this->sy : round($this->sy * $this->source_height)) : 0);
$this->thumbnailCropW = ($this->sw ? (($this->sw >= 1) ? $this->sw : round($this->sw * $this->source_width)) : $this->source_width);
$this->thumbnailCropH = ($this->sh ? (($this->sh >= 1) ? $this->sh : round($this->sh * $this->source_height)) : $this->source_height);
// 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) {
$maxwidth = max($this->w, $this->thumbnailCropW);
$maxheight = max($this->h, $this->thumbnailCropH);
$maxwidth = max($maxwidth, $maxheight * $original_aspect_ratio);
$maxheight = max($maxheight, $maxwidth / $original_aspect_ratio);
} 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);
$maxwidth = min($maxwidth, $maxheight * $original_aspect_ratio);
$maxheight = min($maxheight, $maxwidth / $original_aspect_ratio);
}
$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, $this->thumbnail_height);
// Images that have transparency must have the background filled with the configured 'bg' color
// otherwise the transparent color will appear as black
phpthumb_functions::gd_ImageSaveAlpha($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);
}
}
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];
$this->SetOrientationDependantWidthHeight();
if (function_exists('exif_thumbnail') && ($this->getimagesizeinfo[2] == 2)) {
// Extract EXIF info from JPEGs
$this->exif_thumbnail_width = '';
$this->exif_thumbnail_height = '';
$this->exif_thumbnail_type = '';
// The parameters width, height and imagetype are available since PHP v4.3.0
if (phpthumb_functions::version_compare_replacement(phpversion(), '4.3.0', '>=')) {
$this->exif_thumbnail_data = @exif_thumbnail($this->sourceFilename, $this->exif_thumbnail_width, $this->exif_thumbnail_height, $this->exif_thumbnail_type);
} else {
// older versions of exif_thumbnail output an error message but NOT return false on failure
ob_start();
$this->exif_thumbnail_data = exif_thumbnail($this->sourceFilename);
$exit_thumbnail_error = ob_get_contents();
ob_end_clean();
if (!$exit_thumbnail_error && $this->exif_thumbnail_data) {
if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {
$this->exif_thumbnail_width = ImageSX($gdimg_exif_temp);
$this->exif_thumbnail_height = ImageSY($gdimg_exif_temp);
$this->exif_thumbnail_type = 2; // (2 == JPEG) before PHP v4.3.0 only JPEG format EXIF thumbnails are returned
unset($gdimg_exif_temp);
} else {
return $this->ErrorImage('Failed - $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data) in '.__FILE__.' on line '.__LINE__);
}
}
}
} elseif (!function_exists('exif_thumbnail')) {
$this->DebugMessage('exif_thumbnail() does not exist, cannot extract EXIF thumbnail', __FILE__, __LINE__);
return false;
}
$this->DebugMessage('EXIF thumbnail extraction: (size='.strlen($this->exif_thumbnail_data).'; type="'.$this->exif_thumbnail_type.'"; '.intval($this->exif_thumbnail_width).'x'.intval($this->exif_thumbnail_height).')', __FILE__, __LINE__);
// see if EXIF thumbnail can be used directly with no processing
if ($this->config_use_exif_thumbnail_for_speed && $this->exif_thumbnail_data) {
while (true) {
if (!$this->xto) {
$source_ar = $this->source_width / $this->source_height;
$exif_ar = $this->exif_thumbnail_width / $this->exif_thumbnail_height;
if (number_format($source_ar, 2) != number_format($exif_ar, 2)) {
$this->DebugMessage('not using EXIF thumbnail because $source_ar != $exif_ar ('.$source_ar.' != '.$exif_ar.')', __FILE__, __LINE__);
break;
}
if ($this->w && ($this->w != $this->exif_thumbnail_width)) {
$this->DebugMessage('not using EXIF thumbnail because $this->w != $this->exif_thumbnail_width ('.$this->w.' != '.$this->exif_thumbnail_width.')', __FILE__, __LINE__);
break;
}
if ($this->h && ($this->h != $this->exif_thumbnail_height)) {
$this->DebugMessage('not using EXIF thumbnail because $this->h != $this->exif_thumbnail_height ('.$this->h.' != '.$this->exif_thumbnail_height.')', __FILE__, __LINE__);
break;
}
$CannotBeSetParameters = array('sx', 'sy', 'sh', 'sw', 'far', 'bg', 'bc', 'fltr', 'phpThumbDebug');
foreach ($CannotBeSetParameters as $dummy => $parameter) {
if ($this->$parameter) {
break 2;
}
}
}
$this->DebugMessage('setting $this->gdimg_source = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data)', __FILE__, __LINE__);
$this->gdimg_source = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data);
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
return true;
}
}
if (($this->config_max_source_pixels > 0) && (($this->source_width * $this->source_height) > $this->config_max_source_pixels)) {
// Source image is larger than would fit in available PHP memory.
// If ImageMagick is installed, use it to generate the thumbnail.
// Else, if an EXIF thumbnail is available, use that as the source image.
// Otherwise, no choice but to fail with an error message
$this->DebugMessage('image is '.$this->source_width.'x'.$this->source_height.' and therefore contains more pixels ('.($this->source_width * $this->source_height).') than $this->config_max_source_pixels setting ('.$this->config_max_source_pixels.')', __FILE__, __LINE__);
if (!$this->config_prefer_imagemagick && $this->ImageMagickThumbnailToGD()) {
// excellent, we have a thumbnailed source image
return true;
}
}
return true;
}
function SetCacheFilename() {
if (!is_null($this->cache_filename)) {
$this->DebugMessage('$this->cache_filename already set, skipping SetCacheFilename()', __FILE__, __LINE__);
return true;
}
$this->setOutputFormat();
$this->setCacheDirectory();
if (!$this->config_cache_directory) {
$this->DebugMessage('SetCacheFilename() failed because $this->config_cache_directory is empty', __FILE__, __LINE__);
return false;
}
if (!$this->sourceFilename && !$this->rawImageData && $this->src) {
$this->sourceFilename = $this->ResolveFilenameToAbsolute($this->src);
}
if ($this->config_cache_default_only_suffix && $this->sourceFilename) {
// simplified cache filenames:
// only use default parameters in phpThumb.config.php
// substitute source filename into * in $this->config_cache_default_only_suffix
// (eg: '*_thumb' becomes 'picture_thumb.jpg')
if (strpos($this->config_cache_default_only_suffix, '*') === false) {
$this->DebugMessage('aborting simplified caching filename because no * in "'.$this->config_cache_default_only_suffix.'"', __FILE__, __LINE__);
} else {
preg_match('/(.+)(\.[a-z0-9]+)?$/iU', basename($this->sourceFilename), $matches);
$this->cache_filename = $this->config_cache_directory.DIRECTORY_SEPARATOR.str_replace('*', $matches[1], $this->config_cache_default_only_suffix).'.'.strtolower($this->thumbnailFormat);
return true;
}
}
$this->cache_filename = $this->config_cache_directory.DIRECTORY_SEPARATOR.$this->config_cache_prefix;
if ($this->new) {
$this->cache_filename .= '_new'.strtolower(md5($this->new));
} elseif ($this->md5s) {
// source image MD5 hash provided
$this->DebugMessage('SetCacheFilename() _raw set from $this->md5s = "'.$this->md5s.'"', __FILE__, __LINE__);
$this->cache_filename .= '_raw'.$this->md5s;
} elseif (!$this->src && $this->rawImageData) {
$this->DebugMessage('SetCacheFilename() _raw set from md5($this->rawImageData) = "'.md5($this->rawImageData).'"', __FILE__, __LINE__);
$this->cache_filename .= '_raw'.strtolower(md5($this->rawImageData));
} else {
$this->DebugMessage('SetCacheFilename() _src set from md5($this->sourceFilename) "'.$this->sourceFilename.'" = "'.md5($this->sourceFilename).'"', __FILE__, __LINE__);
$this->cache_filename .= '_src'.strtolower(md5($this->sourceFilename));
}
if (@$_SERVER['HTTP_REFERER'] && $this->config_nooffsitelink_enabled) {
$parsed_url1 = @parse_url(@$_SERVER['HTTP_REFERER']);
$parsed_url2 = @parse_url('http://'.@$_SERVER['HTTP_HOST']);
if (@$parsed_url1['host'] && @$parsed_url2['host'] && ($parsed_url1['host'] != $parsed_url2['host'])) {
// include "_offsite" only if nooffsitelink_enabled and if referrer doesn't match the domain of the current server
$this->cache_filename .= '_offsite';
}
}
$ParametersString = '';
if ($this->fltr && is_array($this->fltr)) {
$ParametersString .= '_fltr'.implode('_fltr', $this->fltr);
}
$FilenameParameters1 = array('ar', 'bg', 'bc', 'far');
foreach ($FilenameParameters1 as $dummy => $key) {
if ($this->$key) {
$ParametersString .= '_'.$key.$this->$key;
}
}
$FilenameParameters2 = array('h', 'w', 'wl', 'wp', 'ws', 'hp', 'hs', 'sx', 'sy', 'sw', 'sh', 'xto', 'ra', 'iar', 'aoe', 'maxb');
foreach ($FilenameParameters2 as $dummy => $key) {
if ($this->$key) {
$ParametersString .= '_'.$key.intval($this->$key);
}
}
if ($this->thumbnailFormat == 'jpeg') {
// only JPEG output has variable quality option
$ParametersString .= '_q'.intval($this->thumbnailQuality);
}
$this->DebugMessage('SetCacheFilename() _par set from md5('.$ParametersString.')', __FILE__, __LINE__);
$this->cache_filename .= '_par'.strtolower(md5($ParametersString));
if ($this->md5s) {
// source image MD5 hash provided
// do not source image modification date --
// cached image will be used even if file was modified or removed
} elseif (!$this->config_cache_source_filemtime_ignore_remote && eregi('^(f|ht)tps?://', $this->src)) {
$this->cache_filename .= '_dat'.intval(phpthumb_functions::filedate_remote($this->src));
} elseif (!$this->config_cache_source_filemtime_ignore_local && $this->src && !$this->rawImageData) {
$this->cache_filename .= '_dat'.intval(@filemtime($this->sourceFilename));
}
$this->cache_filename .= '.'.strtolower($this->thumbnailFormat);
return true;
}
function ImageCreateFromFilename($filename, &$rawimagedata) {
// 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.', ['.strlen($rawimagedata).' bytes])', __FILE__, __LINE__);
if ($filename && ($getimagesizeinfo = @GetImageSize($filename))) {
if (($this->config_max_source_pixels > 0) && (($getimagesizeinfo[0] * $getimagesizeinfo[1]) > $this->config_max_source_pixels)) {
$ImageCreateFromFunction = array(
1 => 'ImageCreateFromGIF',
2 => 'ImageCreateFromJPEG',
3 => 'ImageCreateFromPNG',
15 => 'ImageCreateFromWBMP',
);
$this->DebugMessage('ImageCreateFromFilename found ($getimagesizeinfo[2]=='.@$getimagesizeinfo[2].')', __FILE__, __LINE__);
switch (@$getimagesizeinfo[2]) {
case 1: // GIF
case 2: // JPEG
case 3: // PNG
case 15: // WBMP
$ImageCreateFromFunctionName = $ImageCreateFromFunction[$getimagesizeinfo[2]];
if (function_exists($ImageCreateFromFunctionName)) {
$this->DebugMessage('Calling '.$ImageCreateFromFunctionName.'('.$filename.')', __FILE__, __LINE__);
$ImageCreateWasAttempted = true;
$gd_image = @$ImageCreateFromFunctionName($filename);
} else {
$this->DebugMessage('NOT calling '.$ImageCreateFromFunctionName.'('.$filename.') because !function_exists('.$ImageCreateFromFunctionName.')', __FILE__, __LINE__);
}
break;
case 4: // SWF
case 5: // PSD
case 6: // BMP
case 7: // TIFF (LE)
case 8: // TIFF (BE)
case 9: // JPC
case 10: // JP2
case 11: // JPX
case 12: // JB2
case 13: // SWC
case 14: // IFF
case 16: // XBM
$this->DebugMessage('No built-in image creation function for image type "'.@$getimagesizeinfo[2].'" ($getimagesizeinfo[2])', __FILE__, __LINE__);
break;
default:
$this->DebugMessage('Unknown value for $getimagesizeinfo[2]: "'.@$getimagesizeinfo[2].'"', __FILE__, __LINE__);
break;
}
} else {
$this->DebugMessage('image is '.$getimagesizeinfo[0].'x'.$getimagesizeinfo[1].' and therefore contains more pixels ('.($getimagesizeinfo[0] * $getimagesizeinfo[1]).') than $this->config_max_source_pixels setting ('.$this->config_max_source_pixels.')', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('empty $filename or GetImageSize('.$filename.') failed', __FILE__, __LINE__);
}
if (!$gd_image) {
// cannot create from filename, attempt to create source image with ImageCreateFromString, if possible
if ($ImageCreateWasAttempted) {
$this->DebugMessage(@$ImageCreateFromFunctionName.'() was attempted but FAILED', __FILE__, __LINE__);
}
if (!$rawimagedata) {
$this->DebugMessage('Populating $rawimagedata', __FILE__, __LINE__);
if ($fp = @fopen($filename, 'rb')) {
$rawimagedata = '';
$filesize = filesize($filename);
$blocksize = 32768;
$blockreads = ceil($filesize / $blocksize);
for ($i = 0; $i < $blockreads; $i++) {
$rawimagedata .= fread($fp, $blocksize);
}
fclose($fp);
} else {
$this->DebugMessage('cannot fopen('.$filename.')', __FILE__, __LINE__);
}
}
if ($rawimagedata) {
$this->DebugMessage('attempting ImageCreateFromStringReplacement($rawimagedata ('.strlen($rawimagedata).' bytes), true)', __FILE__, __LINE__);
$gd_image = $this->ImageCreateFromStringReplacement($rawimagedata, true);
}
}
return $gd_image;
}
function SourceImageToGD() {
if (is_resource($this->gdimg_source)) {
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
$this->DebugMessage('skipping SourceImageToGD() because $this->gdimg_source is already a resource ('.$this->source_width.'x'.$this->source_height.')', __FILE__, __LINE__);
return true;
}
$this->DebugMessage('starting SourceImageToGD()', __FILE__, __LINE__);
while (true) {
if (!$this->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->exif_thumbnail_data) {
$this->DebugMessage('Not using EXIF thumbnail data because $this->exif_thumbnail_data is empty', __FILE__, __LINE__);
break;
}
if (($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__);
}
// EXIF thumbnail exists, and is equal to or larger than destination thumbnail, and will be use as source image
$this->DebugMessage('Trying to use EXIF thumbnail as source image', __FILE__, __LINE__);
if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {
$this->DebugMessage('Successfully using EXIF thumbnail as source image', __FILE__, __LINE__);
$this->gdimg_source = $gdimg_exif_temp;
$this->source_width = $this->exif_thumbnail_width;
$this->source_height = $this->exif_thumbnail_height;
$this->thumbnailCropW = $this->source_width;
$this->thumbnailCropH = $this->source_height;
return true;
} else {
$this->DebugMessage('$this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false) failed', __FILE__, __LINE__);
}
break;
}
if (!$this->gdimg_source) {
if ($this->md5s && ($this->md5s != phpthumb_functions::md5_file_safe($this->sourceFilename))) {
return $this->ErrorImage('$this->md5s != md5($rawimagedata)'."\n".'"'.$this->md5s.'" != '."\n".'"'.phpthumb_functions::md5_file_safe($this->sourceFilename).'"');
}
switch (@$this->getimagesizeinfo[2]) {
case 1:
case 3:
// GIF or PNG input file may have transparency
$this->is_alpha = true;
break;
}
$this->gdimg_source = $this->ImageCreateFromFilename($this->sourceFilename, $this->rawImageData);
if ($this->md5s && ($this->md5s != md5($this->rawImageData))) {
return $this->ErrorImage('$this->md5s != md5($this->rawImageData)'."\n".'"'.$this->md5s.'" != '."\n".'"'.md5($this->rawImageData).'"');
}
if (!$this->gdimg_source) {
$this->DebugMessage('$this->gdimg_source is still empty', __FILE__, __LINE__);
if ($this->ImageMagickThumbnailToGD()) {
// excellent, we have a thumbnailed source image
$this->DebugMessage('ImageMagickThumbnailToGD() succeeded', __FILE__, __LINE__);
} else {
$this->DebugMessage('ImageMagickThumbnailToGD() failed', __FILE__, __LINE__);
$imageHeader = '';
$gd_info = gd_info();
$GDreadSupport = false;
switch (substr($this->rawImageData, 0, 3)) {
case 'GIF':
$imageHeader = 'Content-Type: image/gif';
$GDreadSupport = (bool) @$gd_info['GIF Read Support'];
break;
case "\xFF\xD8\xFF":
$imageHeader = 'Content-Type: image/jpeg';
$GDreadSupport = (bool) @$gd_info['JPG Support'];
break;
case "\x89".'PN':
$imageHeader = 'Content-Type: image/png';
$GDreadSupport = (bool) @$gd_info['PNG Support'];
break;
}
if ($imageHeader) {
// cannot create image for whatever reason (maybe ImageCreateFromJPEG et al are not available?)
// and ImageMagick is not available either, no choice but to output original (not resized/modified) data and exit
if ($this->config_error_die_on_source_failure) {
$this->ErrorImage('All attempts to create GD image source failed ('.($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "'.$imageHeader.'"').'), cannot generate thumbnail');
} else {
//$this->DebugMessage('All attempts to create GD image source failed ('.($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "'.$imageHeader.'"').'), outputing raw image', __FILE__, __LINE__);
//if (!$this->phpThumbDebug) {
// header($imageHeader);
// echo $this->rawImageData;
// exit;
//}
return false;
}
}
switch (substr($this->rawImageData, 0, 2)) {
case 'BM':
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();
$phpthumb_bmp = new phpthumb_bmp();
if ($this->gdimg_source = $phpthumb_bmp->phpthumb_bmp2gd($this->rawImageData, (phpthumb_functions::gd_version() >= 2.0))) {
$this->DebugMessage('$phpthumb_bmp->phpthumb_bmp2gd() succeeded', __FILE__, __LINE__);
break;
}
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on BMP source conversion' : 'phpthumb_bmp2gd() failed');
break;
}
switch (substr($this->rawImageData, 0, 4)) {
case 'II'."\x2A\x00":
case 'MM'."\x00\x2A":
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) {
return $this->ErrorImage('Unknown image type identified by "'.substr($this->rawImageData, 0, 4).'" ('.phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)).') in SourceImageToGD()');
}
}
}
}
if (!$this->gdimg_source) {
if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {
$this->DebugMessage('All other attempts failed, but successfully using EXIF thumbnail as source image', __FILE__, __LINE__);
$this->gdimg_source = $gdimg_exif_temp;
// override allow-enlarging setting if EXIF thumbnail is the only source available
// otherwise thumbnails larger than the EXIF thumbnail will be created at EXIF size
$this->aoe = true;
return true;
}
return false;
}
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
return true;
}
function phpThumbDebugVarDump($var) {
if (is_null($var)) {
return 'NULL';
} elseif (is_bool($var)) {
return ($var ? 'TRUE' : 'FALSE');
} elseif (is_string($var)) {
return 'string('.strlen($var).')'.str_repeat(' ', max(0, 3 - strlen(strlen($var)))).' "'.$var.'"';
} elseif (is_int($var)) {
return 'integer '.$var;
} elseif (is_float($var)) {
return 'float '.$var;
} elseif (is_array($var)) {
ob_start();
var_dump($var);
$vardumpoutput = ob_get_contents();
ob_end_clean();
return strtr($vardumpoutput, "\n\r\t", ' ');
}
return gettype($var);
}
function phpThumbDebug() {
if ($this->config_disable_debug) {
return $this->ErrorImage('phpThumbDebug disabled');
}
$FunctionsExistance = array('exif_thumbnail', 'gd_info', 'image_type_to_mime_type', 'ImageCopyResampled', 'ImageCopyResized', 'ImageCreate', 'ImageCreateFromString', 'ImageCreateTrueColor', 'ImageIsTrueColor', 'ImageRotate', 'ImageTypes', 'version_compare', 'ImageCreateFromGIF', 'ImageCreateFromJPEG', 'ImageCreateFromPNG', 'ImageCreateFromWBMP', 'ImageCreateFromXBM', 'ImageCreateFromXPM', 'ImageCreateFromString', 'ImageCreateFromGD', 'ImageCreateFromGD2', 'ImageCreateFromGD2Part', 'ImageJPEG', 'ImageGIF', 'ImagePNG', 'ImageWBMP');
$ParameterNames = array('src', 'new', 'w', 'h', 'f', 'q', 'sx', 'sy', 'sw', 'sh', 'far', 'bg', 'bc', 'file', 'goto', 'err', 'xto', 'ra', 'ar', 'aoe', 'iar', 'maxb');
$ConfigVariableNames = array('document_root', 'temp_directory', 'output_format', 'output_maxwidth', 'output_maxheight', 'error_message_image_default', 'error_bgcolor', 'error_textcolor', 'error_fontsize', 'error_die_on_error', 'error_silent_die_on_error', 'error_die_on_source_failure', 'nohotlink_enabled', 'nohotlink_valid_domains', 'nohotlink_erase_image', 'nohotlink_text_message', 'nooffsitelink_enabled', 'nooffsitelink_valid_domains', 'nooffsitelink_require_refer', 'nooffsitelink_erase_image', 'nooffsitelink_text_message', 'high_security_enabled', 'allow_src_above_docroot', 'allow_src_above_phpthumb', 'allow_parameter_file', 'allow_parameter_goto', 'max_source_pixels', 'use_exif_thumbnail_for_speed', 'border_hexcolor', 'background_hexcolor', 'ttf_directory', 'disable_pathinfo_parsing', 'disable_imagecopyresampled');
$OtherVariableNames = array('phpThumbDebug', 'thumbnailQuality', 'thumbnailFormat', 'gdimg_output', 'gdimg_source', 'sourceFilename', 'source_width', 'source_height', 'thumbnailCropX', 'thumbnailCropY', 'thumbnailCropW', 'thumbnailCropH', 'exif_thumbnail_width', 'exif_thumbnail_height', 'exif_thumbnail_type', 'thumbnail_width', 'thumbnail_height', 'thumbnail_image_width', 'thumbnail_image_height');
$DebugOutput = array();
$DebugOutput[] = 'phpThumb() version = '.$this->phpthumb_version;
$DebugOutput[] = 'phpversion() = '.@phpversion();
$DebugOutput[] = 'PHP_OS = '.PHP_OS;
$DebugOutput[] = '__FILE__ = '.__FILE__;
$DebugOutput[] = 'realpath(.) = '.@realpath('.');
$DebugOutput[] = '$_SERVER[PHP_SELF] = '.@$_SERVER['PHP_SELF'];
$DebugOutput[] = '$_SERVER[HTTP_REFERER] = '.@$_SERVER['HTTP_REFERER'];
$DebugOutput[] = '$_SERVER[QUERY_STRING] = '.@$_SERVER['QUERY_STRING'];
$DebugOutput[] = '$_SERVER[PATH_INFO] = '.@$_SERVER['PATH_INFO'];
$DebugOutput[] = '$_SERVER[DOCUMENT_ROOT] = '.@$_SERVER['DOCUMENT_ROOT'];
$DebugOutput[] = 'getenv(DOCUMENT_ROOT) = '.@getenv('DOCUMENT_ROOT');
$DebugOutput[] = '';
$DebugOutput[] = 'get_magic_quotes_gpc() = '.$this->phpThumbDebugVarDump(@get_magic_quotes_gpc());
$DebugOutput[] = 'get_magic_quotes_runtime() = '.$this->phpThumbDebugVarDump(@get_magic_quotes_runtime());
$DebugOutput[] = 'error_reporting() = '.$this->phpThumbDebugVarDump(error_reporting());
$DebugOutput[] = 'ini_get(error_reporting) = '.$this->phpThumbDebugVarDump(@ini_get('error_reporting'));
$DebugOutput[] = 'ini_get(display_errors) = '.$this->phpThumbDebugVarDump(@ini_get('display_errors'));
$DebugOutput[] = 'ini_get(allow_url_fopen) = '.$this->phpThumbDebugVarDump(@ini_get('allow_url_fopen'));
$DebugOutput[] = 'ini_get(disable_functions) = '.$this->phpThumbDebugVarDump(@ini_get('disable_functions'));
$DebugOutput[] = 'ini_get(safe_mode) = '.$this->phpThumbDebugVarDump(@ini_get('safe_mode'));
$DebugOutput[] = 'ini_get(open_basedir) = '.$this->phpThumbDebugVarDump(@ini_get('open_basedir'));
$DebugOutput[] = 'ini_get(memory_limit) = '.$this->phpThumbDebugVarDump(@ini_get('memory_limit'));
$DebugOutput[] = 'ini_get(max_execution_time) = '.$this->phpThumbDebugVarDump(@ini_get('max_execution_time'));
$DebugOutput[] = 'get_cfg_var(memory_limit) = '.$this->phpThumbDebugVarDump(@get_cfg_var('memory_limit'));
$DebugOutput[] = 'memory_get_usage() = '.(function_exists('memory_get_usage') ? $this->phpThumbDebugVarDump(@memory_get_usage()) : 'n/a');
$DebugOutput[] = '';
$DebugOutput[] = '$this->config_prefer_imagemagick = '.$this->phpThumbDebugVarDump($this->config_prefer_imagemagick);
$DebugOutput[] = '$this->config_imagemagick_path = '.$this->phpThumbDebugVarDump($this->config_imagemagick_path);
$DebugOutput[] = '$this->ImageMagickWhichConvert() = '.$this->ImageMagickWhichConvert();
$IMpathUsed = ($this->config_imagemagick_path ? $this->config_imagemagick_path : $this->ImageMagickWhichConvert());
$DebugOutput[] = '[actual ImageMagick path used] = '.$this->phpThumbDebugVarDump($IMpathUsed);
$DebugOutput[] = 'file_exists([actual ImageMagick path used]) = '.$this->phpThumbDebugVarDump(@file_exists($IMpathUsed));
$DebugOutput[] = 'ImageMagickVersion() = '.$this->ImageMagickVersion();
$DebugOutput[] = '';
$DebugOutput[] = '$this->config_cache_directory = '.$this->phpThumbDebugVarDump($this->config_cache_directory);
$DebugOutput[] = '$this->config_cache_disable_warning = '.$this->phpThumbDebugVarDump($this->config_cache_disable_warning);
$DebugOutput[] = '$this->config_cache_maxage = '.$this->phpThumbDebugVarDump($this->config_cache_maxage);
$DebugOutput[] = '$this->config_cache_maxsize = '.$this->phpThumbDebugVarDump($this->config_cache_maxsize);
$DebugOutput[] = '$this->config_cache_maxfiles = '.$this->phpThumbDebugVarDump($this->config_cache_maxfiles);
$DebugOutput[] = '$this->config_cache_force_passthru = '.$this->phpThumbDebugVarDump($this->config_cache_force_passthru);
$DebugOutput[] = '$this->cache_filename = '.$this->phpThumbDebugVarDump($this->cache_filename);
$DebugOutput[] = 'is_readable($this->config_cache_directory) = '.$this->phpThumbDebugVarDump(is_readable($this->config_cache_directory));
$DebugOutput[] = 'is_writable($this->config_cache_directory) = '.$this->phpThumbDebugVarDump(is_writable($this->config_cache_directory));
$DebugOutput[] = 'is_readable($this->cache_filename) = '.$this->phpThumbDebugVarDump(is_readable($this->cache_filename));
$DebugOutput[] = 'is_writable($this->cache_filename) = '.(file_exists($this->cache_filename) ? $this->phpThumbDebugVarDump(is_writable($this->cache_filename)) : 'n/a');
$DebugOutput[] = '';
foreach ($ConfigVariableNames as $dummy => $varname) {
$varname = 'config_'.$varname;
$value = $this->$varname;
$DebugOutput[] = '$this->'.str_pad($varname, 37, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);
}
$DebugOutput[] = '';
foreach ($OtherVariableNames as $dummy => $varname) {
$value = $this->$varname;
$DebugOutput[] = '$this->'.str_pad($varname, 27, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);
}
$DebugOutput[] = 'strlen($this->rawImageData) = '.strlen(@$this->rawImageData);
$DebugOutput[] = 'strlen($this->exif_thumbnail_data) = '.strlen(@$this->exif_thumbnail_data);
$DebugOutput[] = '';
foreach ($ParameterNames as $dummy => $varname) {
$value = $this->$varname;
$DebugOutput[] = '$this->'.str_pad($varname, 4, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);
}
$DebugOutput[] = '';
foreach ($FunctionsExistance as $dummy => $functionname) {
$DebugOutput[] = 'builtin_function_exists('.$functionname.')'.str_repeat(' ', 23 - strlen($functionname)).' = '.$this->phpThumbDebugVarDump(phpthumb_functions::builtin_function_exists($functionname));
}
$DebugOutput[] = '';
$gd_info = gd_info();
foreach ($gd_info as $key => $value) {
$DebugOutput[] = 'gd_info.'.str_pad($key, 34, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);
}
$DebugOutput[] = '';
$exif_info = phpthumb_functions::exif_info();
foreach ($exif_info as $key => $value) {
$DebugOutput[] = 'exif_info.'.str_pad($key, 26, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);
}
$DebugOutput[] = '';
if ($ApacheLookupURIarray = phpthumb_functions::ApacheLookupURIarray(dirname(@$_SERVER['PHP_SELF']))) {
foreach ($ApacheLookupURIarray as $key => $value) {
$DebugOutput[] = 'ApacheLookupURIarray.'.str_pad($key, 15, ' ', STR_PAD_RIGHT).' = '.$this->phpThumbDebugVarDump($value);
}
} else {
$DebugOutput[] = 'ApacheLookupURIarray() -- FAILED';
}
$DebugOutput[] = '';
if (isset($_GET) && is_array($_GET)) {
foreach ($_GET as $key => $value) {
$DebugOutput[] = '$_GET['.$key.']'.str_repeat(' ', 30 - strlen($key)).'= '.$this->phpThumbDebugVarDump($value);
}
}
if (isset($_POST) && is_array($_POST)) {
foreach ($_POST as $key => $value) {
$DebugOutput[] = '$_POST['.$key.']'.str_repeat(' ', 29 - strlen($key)).'= '.$this->phpThumbDebugVarDump($value);
}
}
$DebugOutput[] = '';
$DebugOutput[] = '$this->debugmessages:';
foreach ($this->debugmessages as $dummy => $errorstring) {
$DebugOutput[] = ' * '.$errorstring;
}
$DebugOutput[] = '';
$DebugOutput[] = '$this->debugtiming:';
foreach ($this->debugtiming as $timestamp => $timingstring) {
$DebugOutput[] = ' * '.$timestamp.' '.$timingstring;
}
$DebugOutput[] = ' * Total processing time: '.number_format(max(array_keys($this->debugtiming)) - min(array_keys($this->debugtiming)), 6);
return $this->ErrorImage(implode("\n", $DebugOutput), 700, 500, true);
}
function ErrorImage($text, $width=0, $height=0, $forcedisplay=false) {
$width = ($width ? $width : $this->config_error_image_width);
$height = ($height ? $height : $this->config_error_image_height);
$text = 'phpThumb() v'.$this->phpthumb_version."\n\n".$text;
if ($this->config_disable_debug) {
$text = 'Error messages disabled';
}
$this->DebugMessage($text, __FILE__, __LINE__);
if ($this->phpThumbDebug && !$forcedisplay) {
return false;
}
if (!$this->config_error_die_on_error && !$forcedisplay) {
$this->fatalerror = $text;
return false;
}
if ($this->config_error_silent_die_on_error) {
exit;
}
if ($this->err || $this->config_error_message_image_default) {
// Show generic custom error image instead of error message
// for use on production sites where you don't want debug messages
if ($this->err == 'showerror') {
// fall through and actually show error message even if default error image is set
} else {
header('Location: '.($this->err ? $this->err : $this->config_error_message_image_default));
exit;
}
}
if (!$this->thumbnailFormat || (phpthumb_functions::gd_version() < 1)) {
$this->thumbnailFormat = 'text';
}
if (@$this->thumbnailFormat == 'text') {
// bypass all GD functions and output text error message
die(''.$text.'
');
}
$FontWidth = ImageFontWidth($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 "'.$headers_line.'", dumping error message as text:**
'."\n\n".$text."\n".'
';
} elseif (headers_sent()) {
echo "\n".'**Headers already sent, dumping error message as text:**
'."\n\n".$text."\n".'
';
} elseif ($gdimg_error = ImageCreate($width, $height)) {
$background_color = phpthumb_functions::ImageHexColorAllocate($gdimg_error, $this->config_error_bgcolor, true);
$text_color = phpthumb_functions::ImageHexColorAllocate($gdimg_error, $this->config_error_textcolor, true);
ImageFilledRectangle($gdimg_error, 0, 0, $width, $height, $background_color);
$lineYoffset = 0;
foreach ($LinesOfText as $dummy => $line) {
ImageString($gdimg_error, $this->config_error_fontsize, 2, $lineYoffset, $line, $text_color);
$lineYoffset += $FontHeight;
}
if (function_exists('ImageTypes')) {
$imagetypes = ImageTypes();
if ($imagetypes & IMG_PNG) {
header('Content-Type: image/png');
ImagePNG($gdimg_error);
} elseif ($imagetypes & IMG_GIF) {
header('Content-Type: image/gif');
ImageGIF($gdimg_error);
} elseif ($imagetypes & IMG_JPG) {
header('Content-Type: image/jpeg');
ImageJPEG($gdimg_error);
} elseif ($imagetypes & IMG_WBMP) {
header('Content-Type: image/wbmp');
ImageWBMP($gdimg_error);
}
}
ImageDestroy($gdimg_error);
}
if (!headers_sent()) {
echo "\n".'**Failed to send graphical error image, dumping error message as text:**
'."\n\n".$text;
}
exit;
return true;
}
function ImageCreateFromStringReplacement(&$RawImageData, $DieOnErrors=false) {
// there are serious bugs in the non-bundled versions of GD which may cause
// PHP to segfault when calling ImageCreateFromString() - avoid if at all possible
// when not using a bundled version of GD2
if (phpthumb_functions::gd_is_bundled()) {
return @ImageCreateFromString($RawImageData);
}
if (ini_get('safe_mode')) {
$this->DebugMessage('ImageCreateFromStringReplacement() failed: cannot create temp file in SAFE_MODE', __FILE__, __LINE__);
return false;
}
switch (substr($RawImageData, 0, 3)) {
case 'GIF':
$ICFSreplacementFunctionName = 'ImageCreateFromGIF';
break;
case "\xFF\xD8\xFF":
$ICFSreplacementFunctionName = 'ImageCreateFromJPEG';
break;
case "\x89".'PN':
$ICFSreplacementFunctionName = 'ImageCreateFromPNG';
break;
default:
$this->DebugMessage('ImageCreateFromStringReplacement() failed: unknown fileformat signature "'.phpthumb_functions::HexCharDisplay(substr($RawImageData, 0, 3)).'"', __FILE__, __LINE__);
return false;
break;
}
if ($tempnam = $this->phpThumb_tempnam()) {
if ($fp_tempnam = @fopen($tempnam, 'wb')) {
fwrite($fp_tempnam, $RawImageData);
fclose($fp_tempnam);
if (($ICFSreplacementFunctionName == 'ImageCreateFromGIF') && !function_exists($ICFSreplacementFunctionName)) {
// Need to create from GIF file, but ImageCreateFromGIF does not exist
ob_start();
if (!@include_once(dirname(__FILE__).'/phpthumb.gif.php')) {
$ErrorMessage = 'Failed to include required file "'.dirname(__FILE__).'/phpthumb.gif.php" in '.__FILE__.' on line '.__LINE__;
$this->DebugMessage($ErrorMessage, __FILE__, __LINE__);
}
ob_end_clean();
// gif_loadFileToGDimageResource() cannot read from raw data, write to file first
if ($tempfilename = $this->phpThumb_tempnam()) {
if ($fp_tempfile = @fopen($tempfilename, 'wb')) {
fwrite($fp_tempfile, $RawImageData);
fclose($fp_tempfile);
$gdimg_source = gif_loadFileToGDimageResource($tempfilename);
unlink($tempfilename);
return $gdimg_source;
break;
} else {
$ErrorMessage = 'Failed to open tempfile in '.__FILE__.' on line '.__LINE__;
$this->DebugMessage($ErrorMessage, __FILE__, __LINE__);
}
} else {
$ErrorMessage = 'Failed to open generate tempfile name in '.__FILE__.' on line '.__LINE__;
$this->DebugMessage($ErrorMessage, __FILE__, __LINE__);
}
} elseif (function_exists($ICFSreplacementFunctionName) && ($gdimg_source = @$ICFSreplacementFunctionName($tempnam))) {
// great
unlink($tempnam);
return $gdimg_source;
} else { // GD functions not available
if (!headers_sent()) {
// base64-encoded error image in GIF format
$ERROR_NOGD = 'R0lGODlhIAAgALMAAAAAABQUFCQkJDY2NkZGRldXV2ZmZnJycoaGhpSUlKWlpbe3t8XFxdXV1eTk5P7+/iwAAAAAIAAgAAAE/vDJSau9WILtTAACUinDNijZtAHfCojS4W5H+qxD8xibIDE9h0OwWaRWDIljJSkUJYsN4bihMB8th3IToAKs1VtYM75cyV8sZ8vygtOE5yMKmGbO4jRdICQCjHdlZzwzNW4qZSQmKDaNjhUMBX4BBAlmMywFSRWEmAI6b5gAlhNxokGhooAIK5o/pi9vEw4Lfj4OLTAUpj6IabMtCwlSFw0DCKBoFqwAB04AjI54PyZ+yY3TD0ss2YcVmN/gvpcu4TOyFivWqYJlbAHPpOntvxNAACcmGHjZzAZqzSzcq5fNjxFmAFw9iFRunD1epU6tsIPmFCAJnWYE0FURk7wJDA0MTKpEzoWAAskiAAA7';
header('Content-Type: image/gif');
echo base64_decode($ERROR_NOGD);
} else {
echo '*** ERROR: No PHP-GD support available ***';
}
exit;
}
} else {
$ErrorMessage = 'Failed to fopen('.$tempnam.', "wb") in '.__FILE__.' on line '.__LINE__."\n".'You may need to set $PHPTHUMB_CONFIG[temp_directory] in phpThumb.config.php';
$this->DebugMessage($ErrorMessage, __FILE__, __LINE__);
}
@unlink($tempnam);
} else {
$ErrorMessage = 'Failed to generate phpThumb_tempnam() in '.__FILE__.' on line '.__LINE__."\n".'You may need to set $PHPTHUMB_CONFIG[temp_directory] in phpThumb.config.php';
}
if ($DieOnErrors && $ErrorMessage) {
return $this->ErrorImage($ErrorMessage);
}
return false;
}
function ImageResizeFunction(&$dst_im, &$src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH) {
if (phpthumb_functions::gd_version() >= 2.0) {
if ($this->config_disable_imagecopyresampled) {
return phpthumb_functions::ImageCopyResampleBicubic($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);
}
return ImageCopyResampled($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);
}
return ImageCopyResized($dst_im, $src_im, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);
}
function phpThumb_tempnam() {
if (!$this->config_temp_directory) {
$this->config_temp_directory = (getenv('TMPDIR') ? getenv('TMPDIR') : getenv('TMP'));
}
$tempnam = realpath(tempnam($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;
}
}
?>