function SourceImageToGD()
{
if (is_resource($this->gdimg_source)) {
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
$this->DebugMessage('skipping SourceImageToGD() because $this->gdimg_source is already a resource (' . $this->source_width . 'x' . $this->source_height . ')', __FILE__, __LINE__);
return true;
}
$this->DebugMessage('starting SourceImageToGD()', __FILE__, __LINE__);
if ($this->config_prefer_imagemagick) {
if (empty($this->sourceFilename) && !empty($this->rawImageData)) {
$this->DebugMessage('Copying raw image data to temp file and trying again with ImageMagick', __FILE__, __LINE__);
if ($tempnam = $this->phpThumb_tempnam()) {
if (file_put_contents($tempnam, $this->rawImageData)) {
$this->sourceFilename = $tempnam;
if ($this->ImageMagickThumbnailToGD()) {
// excellent, we have a thumbnailed source image
$this->DebugMessage('ImageMagickThumbnailToGD() succeeded', __FILE__, __LINE__);
} else {
$this->DebugMessage('ImageMagickThumbnailToGD() failed', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('failed to put $this->rawImageData into temp file "' . $tempnam . '"', __FILE__, __LINE__);
}
} else {
$this->DebugMessage('failed to generate temp file name', __FILE__, __LINE__);
}
}
}
if (!$this->gdimg_source && $this->rawImageData) {
if ($this->SourceImageIsTooLarge($this->source_width, $this->source_height)) {
$memory_get_usage = function_exists('memory_get_usage') ? memory_get_usage() : 0;
return $this->ErrorImage('Source image is too large (' . $this->source_width . 'x' . $this->source_height . ' = ' . number_format($this->source_width * $this->source_height / 1000000, 1) . 'Mpx, max=' . number_format($this->config_max_source_pixels / 1000000, 1) . 'Mpx) for GD creation (either install ImageMagick or increase PHP memory_limit to at least ' . ceil(($memory_get_usage + 5 * $this->source_width * $this->source_height) / 1048576) . 'M).');
}
if ($this->md5s && $this->md5s != md5($this->rawImageData)) {
return $this->ErrorImage('$this->md5s != md5($this->rawImageData)' . "\n" . '"' . $this->md5s . '" != ' . "\n" . '"' . md5($this->rawImageData) . '"');
}
//if ($this->issafemode) {
// return $this->ErrorImage('Cannot generate thumbnails from raw image data when PHP SAFE_MODE enabled');
//}
$this->gdimg_source = $this->ImageCreateFromStringReplacement($this->rawImageData);
if (!$this->gdimg_source) {
if (substr($this->rawImageData, 0, 2) === 'BM') {
$this->getimagesizeinfo[2] = 6;
// BMP
} elseif (substr($this->rawImageData, 0, 4) === 'II' . "*") {
$this->getimagesizeinfo[2] = 7;
// TIFF (littlendian)
} elseif (substr($this->rawImageData, 0, 4) === 'MM' . "*") {
$this->getimagesizeinfo[2] = 8;
// TIFF (bigendian)
}
$this->DebugMessage('SourceImageToGD.ImageCreateFromStringReplacement() failed with unknown image type "' . substr($this->rawImageData, 0, 4) . '" (' . phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)) . ')', __FILE__, __LINE__);
// return $this->ErrorImage('Unknown image type identified by "'.substr($this->rawImageData, 0, 4).'" ('.phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)).') in SourceImageToGD()['.__LINE__.']');
}
} elseif (!$this->gdimg_source && $this->sourceFilename) {
if ($this->md5s && $this->md5s != phpthumb_functions::md5_file_safe($this->sourceFilename)) {
return $this->ErrorImage('$this->md5s != md5(sourceFilename)' . "\n" . '"' . $this->md5s . '" != ' . "\n" . '"' . phpthumb_functions::md5_file_safe($this->sourceFilename) . '"');
}
switch (@$this->getimagesizeinfo[2]) {
case 1:
case 3:
// GIF or PNG input file may have transparency
$this->is_alpha = true;
break;
}
if (!$this->SourceImageIsTooLarge($this->source_width, $this->source_height)) {
$this->gdimg_source = $this->ImageCreateFromFilename($this->sourceFilename);
}
}
while (true) {
if ($this->gdimg_source) {
$this->DebugMessage('Not using EXIF thumbnail data because $this->gdimg_source is already set', __FILE__, __LINE__);
break;
}
if (!$this->exif_thumbnail_data) {
$this->DebugMessage('Not using EXIF thumbnail data because $this->exif_thumbnail_data is empty', __FILE__, __LINE__);
break;
}
if (ini_get('safe_mode')) {
if (!$this->SourceImageIsTooLarge($this->source_width, $this->source_height)) {
$this->DebugMessage('Using EXIF thumbnail data because source image too large and safe_mode enabled', __FILE__, __LINE__);
$this->aoe = true;
} else {
break;
}
} else {
if (!$this->config_use_exif_thumbnail_for_speed) {
$this->DebugMessage('Not using EXIF thumbnail data because $this->config_use_exif_thumbnail_for_speed is FALSE', __FILE__, __LINE__);
break;
}
if ($this->thumbnailCropX != 0 || $this->thumbnailCropY != 0) {
$this->DebugMessage('Not using EXIF thumbnail data because source cropping is enabled (' . $this->thumbnailCropX . ',' . $this->thumbnailCropY . ')', __FILE__, __LINE__);
break;
}
if ($this->w > $this->exif_thumbnail_width || $this->h > $this->exif_thumbnail_height) {
$this->DebugMessage('Not using EXIF thumbnail data because EXIF thumbnail is too small (' . $this->exif_thumbnail_width . 'x' . $this->exif_thumbnail_height . ' vs ' . $this->w . 'x' . $this->h . ')', __FILE__, __LINE__);
break;
}
$source_ar = $this->source_width / $this->source_height;
$exif_ar = $this->exif_thumbnail_width / $this->exif_thumbnail_height;
if (number_format($source_ar, 2) != number_format($exif_ar, 2)) {
$this->DebugMessage('not using EXIF thumbnail because $source_ar != $exif_ar (' . $source_ar . ' != ' . $exif_ar . ')', __FILE__, __LINE__);
break;
}
}
// EXIF thumbnail exists, and is equal to or larger than destination thumbnail, and will be use as source image
$this->DebugMessage('Trying to use EXIF thumbnail as source image', __FILE__, __LINE__);
if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {
$this->DebugMessage('Successfully using EXIF thumbnail as source image', __FILE__, __LINE__);
$this->gdimg_source = $gdimg_exif_temp;
$this->source_width = $this->exif_thumbnail_width;
$this->source_height = $this->exif_thumbnail_height;
$this->thumbnailCropW = $this->source_width;
$this->thumbnailCropH = $this->source_height;
return true;
} else {
$this->DebugMessage('$this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false) failed', __FILE__, __LINE__);
}
break;
}
if (!$this->gdimg_source) {
$this->DebugMessage('$this->gdimg_source is still empty', __FILE__, __LINE__);
$this->DebugMessage('ImageMagickThumbnailToGD() failed', __FILE__, __LINE__);
$imageHeader = '';
$gd_info = gd_info();
$GDreadSupport = false;
switch (@$this->getimagesizeinfo[2]) {
case 1:
$imageHeader = 'Content-Type: image/gif';
$GDreadSupport = (bool) @$gd_info['GIF Read Support'];
break;
case 2:
$imageHeader = 'Content-Type: image/jpeg';
$GDreadSupport = (bool) @$gd_info['JPG Support'];
break;
case 3:
$imageHeader = 'Content-Type: image/png';
$GDreadSupport = (bool) @$gd_info['PNG Support'];
break;
}
if ($imageHeader) {
// cannot create image for whatever reason (maybe ImageCreateFromJPEG et al are not available?)
// and ImageMagick is not available either, no choice but to output original (not resized/modified) data and exit
if ($this->config_error_die_on_source_failure) {
$errormessages = array();
$errormessages[] = 'All attempts to create GD image source failed.';
if ($this->fatalerror) {
$errormessages[] = $this->fatalerror;
}
if ($this->issafemode) {
$errormessages[] = 'Safe Mode enabled, therefore ImageMagick is unavailable. (disable Safe Mode if possible)';
} elseif (!$this->ImageMagickVersion()) {
$errormessages[] = 'ImageMagick is not installed (it is highly recommended that you install it).';
}
if ($this->SourceImageIsTooLarge($this->getimagesizeinfo[0], $this->getimagesizeinfo[1])) {
$memory_get_usage = function_exists('memory_get_usage') ? memory_get_usage() : 0;
$errormessages[] = 'Source image is too large (' . $this->getimagesizeinfo[0] . 'x' . $this->getimagesizeinfo[1] . ' = ' . number_format($this->getimagesizeinfo[0] * $this->getimagesizeinfo[1] / 1000000, 1) . 'Mpx, max=' . number_format($this->config_max_source_pixels / 1000000, 1) . 'Mpx) for GD creation (either install ImageMagick or increase PHP memory_limit to at least ' . ceil(($memory_get_usage + 5 * $this->getimagesizeinfo[0] * $this->getimagesizeinfo[1]) / 1048576) . 'M).';
} elseif (!$GDreadSupport) {
$errormessages[] = 'GD does not have read support for "' . $imageHeader . '".';
} else {
$errormessages[] = 'Source image probably corrupt.';
}
$this->ErrorImage(implode("\n", $errormessages));
} else {
$this->DebugMessage('All attempts to create GD image source failed (' . (ini_get('safe_mode') ? 'Safe Mode enabled, ImageMagick unavailable and source image probably too large for GD' : ($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "' . $imageHeader . '"')) . '), cannot generate thumbnail');
//$this->DebugMessage('All attempts to create GD image source failed ('.($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "'.$imageHeader.'"').'), outputing raw image', __FILE__, __LINE__);
//if (!$this->phpThumbDebug) {
// header($imageHeader);
// echo $this->rawImageData;
// exit;
//}
return false;
}
}
//switch (substr($this->rawImageData, 0, 2)) {
// case 'BM':
switch (@$this->getimagesizeinfo[2]) {
case 6:
ob_start();
if (!@(include_once dirname(__FILE__) . '/phpthumb.bmp.php')) {
ob_end_clean();
return $this->ErrorImage('include_once(' . dirname(__FILE__) . '/phpthumb.bmp.php) failed');
}
ob_end_clean();
if ($fp = @fopen($this->sourceFilename, 'rb')) {
$this->rawImageData = '';
while (!feof($fp)) {
$this->rawImageData .= fread($fp, 32768);
}
fclose($fp);
}
$phpthumb_bmp = new phpthumb_bmp();
$this->gdimg_source = $phpthumb_bmp->phpthumb_bmp2gd($this->rawImageData, phpthumb_functions::gd_version() >= 2.0);
unset($phpthumb_bmp);
if ($this->gdimg_source) {
$this->DebugMessage('$phpthumb_bmp->phpthumb_bmp2gd() succeeded', __FILE__, __LINE__);
} else {
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on BMP source conversion' : 'phpthumb_bmp2gd() failed');
}
break;
//}
//switch (substr($this->rawImageData, 0, 4)) {
// case 'II'."\x2A\x00":
// case 'MM'."\x00\x2A":
//}
//switch (substr($this->rawImageData, 0, 4)) {
// case 'II'."\x2A\x00":
// case 'MM'."\x00\x2A":
case 7:
case 8:
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on TIFF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support TIFF source images without it');
break;
//case "\xD7\xCD\xC6\x9A":
// return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on WMF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support WMF source images without it');
// break;
}
if (!$this->gdimg_source) {
$HeaderFourBytes = '';
if ($this->rawImageData) {
$HeaderFourBytes = substr($this->rawImageData, 0, 4);
} elseif ($this->sourceFilename) {
if ($fp = @fopen($this->sourceFilename, 'rb')) {
$HeaderFourBytes = fread($fp, 4);
fclose($fp);
} else {
return $this->ErrorImage('failed to open "' . $this->sourceFilename . '" SourceImageToGD() [' . __LINE__ . ']');
}
} else {
return $this->ErrorImage('Unable to create image, neither filename nor image data suppplied in SourceImageToGD() [' . __LINE__ . ']');
}
if (!$this->ImageMagickVersion() && !phpthumb_functions::gd_version()) {
return $this->ErrorImage('Neither GD nor ImageMagick seem to be installed on this server. At least one (preferably GD), or better both, MUST be installed for phpThumb to work.');
} elseif ($HeaderFourBytes == "×ÍÆš") {
// WMF
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on WMF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support WMF source images without it');
} elseif ($HeaderFourBytes == '%PDF') {
// "%PDF"
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick and GhostScript are both required for PDF source images; GhostScript may not be properly configured' : 'ImageMagick and/or GhostScript are unavailable and phpThumb() does not support PDF source images without them');
} elseif (substr($HeaderFourBytes, 0, 3) == "ÿØÿ") {
// JPEG
return $this->ErrorImage('Image (JPEG) is too large for PHP-GD memory_limit, please install ImageMagick or increase php.ini memory_limit setting');
} elseif ($HeaderFourBytes == '%PNG') {
// "%PNG"
return $this->ErrorImage('Image (PNG) is too large for PHP-GD memory_limit, please install ImageMagick or increase php.ini memory_limit setting');
} elseif (substr($HeaderFourBytes, 0, 3) == 'GIF') {
// GIF
return $this->ErrorImage('Image (GIF) is too large for PHP-GD memory_limit, please install ImageMagick or increase php.ini memory_limit setting');
}
return $this->ErrorImage('Unknown image type identified by "' . $HeaderFourBytes . '" (' . phpthumb_functions::HexCharDisplay($HeaderFourBytes) . ') in SourceImageToGD() [' . __LINE__ . ']');
}
}
if (!$this->gdimg_source) {
if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {
$this->DebugMessage('All other attempts failed, but successfully using EXIF thumbnail as source image', __FILE__, __LINE__);
$this->gdimg_source = $gdimg_exif_temp;
// override allow-enlarging setting if EXIF thumbnail is the only source available
// otherwise thumbnails larger than the EXIF thumbnail will be created at EXIF size
$this->aoe = true;
return true;
}
return false;
}
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
return true;
}
function SourceImageToGD()
{
if (is_resource($this->gdimg_source)) {
$this->DebugMessage('skipping SourceImageToGD() because $this->gdimg_source is already a resource', __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) {
// try to create GD image source directly via GD, if possible,
// rather than buffering to memory and creating with ImageCreateFromString
$ImageCreateWasAttempted = false;
$ImageCreateFromFunction = array(1 => 'ImageCreateFromGIF', 2 => 'ImageCreateFromJPEG', 3 => 'ImageCreateFromPNG', 15 => 'ImageCreateFromWBMP');
switch (@$this->getimagesizeinfo[2]) {
case 1:
// GIF
// GIF
case 2:
// JPEG
// JPEG
case 3:
// PNG
// PNG
case 15:
// WBMP
if ($this->md5s && $this->md5s != phpthumb_functions::md5_file_safe($this->sourceFilename)) {
return $this->ErrorImage('$this->md5s != md5($this->rawImageData)' . "\n" . '"' . $this->md5s . '" != ' . "\n" . '"' . phpthumb_functions::md5_file_safe($this->sourceFilename) . '"');
}
$ImageCreateFromFunctionName = $ImageCreateFromFunction[$this->getimagesizeinfo[2]];
if (function_exists($ImageCreateFromFunctionName)) {
$this->DebugMessage('Calling ' . $ImageCreateFromFunctionName . '(' . $this->sourceFilename . ')', __FILE__, __LINE__);
$ImageCreateWasAttempted = true;
$this->gdimg_source = @$ImageCreateFromFunctionName($this->sourceFilename);
switch ($this->getimagesizeinfo[2]) {
case 1:
case 3:
// GIF or PNG input file may have transparency
$this->is_alpha = true;
break;
}
} else {
$this->DebugMessage('NOT calling ' . $ImageCreateFromFunctionName . '(' . $this->sourceFilename . ') because !function_exists(' . $ImageCreateFromFunctionName . ')', __FILE__, __LINE__);
}
break;
case 4:
// SWF
// SWF
case 5:
// PSD
// PSD
case 6:
// BMP
// BMP
case 7:
// TIFF (LE)
// TIFF (LE)
case 8:
// TIFF (BE)
// TIFF (BE)
case 9:
// JPC
// JPC
case 10:
// JP2
// JP2
case 11:
// JPX
// JPX
case 12:
// JB2
// JB2
case 13:
// SWC
// SWC
case 14:
// IFF
// IFF
case 16:
// XBM
$this->DebugMessage('No built-in image creation function for image type "' . @$this->getimagesizeinfo[2] . '" ($this->getimagesizeinfo[2])', __FILE__, __LINE__);
break;
case '':
// no source file, source image was probably set by setSourceData()
break;
default:
$this->DebugMessage('Unknown value for $this->getimagesizeinfo[2]: "' . @$this->getimagesizeinfo[2] . '"', __FILE__, __LINE__);
break;
}
if (!$this->gdimg_source) {
// cannot create from filename, attempt to create source image with ImageCreateFromString, if possible
if ($ImageCreateWasAttempted) {
$this->DebugMessage(@$ImageCreateFromFunctionName . '() was attempted but FAILED', __FILE__, __LINE__);
}
if (!$this->rawImageData) {
$this->DebugMessage('Populating $this->rawImageData and attempting ImageCreateFromStringReplacement()', __FILE__, __LINE__);
if ($fp = @fopen($this->sourceFilename, 'rb')) {
$this->rawImageData = '';
$filesize = filesize($this->sourceFilename);
$blocksize = 16384;
$blockreads = ceil($filesize / $blocksize);
for ($i = 0; $i < $blockreads; $i++) {
$this->rawImageData .= fread($fp, $blocksize);
}
fclose($fp);
} else {
return $this->ErrorImage('cannot fopen("' . $this->sourceFilename . '") on line ' . __LINE__ . ' of ' . __FILE__);
}
}
if ($this->md5s && $this->md5s != md5($this->rawImageData)) {
return $this->ErrorImage('$this->md5s != md5($this->rawImageData)' . "\n" . '"' . $this->md5s . '" != ' . "\n" . '"' . md5($this->rawImageData) . '"');
}
$this->gdimg_source = $this->ImageCreateFromStringReplacement($this->rawImageData, true);
}
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 = phpthumb_functions::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 "ÿØÿ":
$imageHeader = 'Content-Type: image/jpeg';
$GDreadSupport = (bool) @$gd_info['JPG Support'];
break;
case "‰" . '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->phpThumbDebug) {
$this->ErrorImage('All attempts to create GD image source failed (' . ($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();
if ($this->phpThumbDebug) {
$this->DebugMessage('include_once(' . dirname(__FILE__) . '/phpthumb.bmp.php) failed', __FILE__, __LINE__);
return false;
}
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;
} elseif ($this->phpThumbDebug) {
$this->DebugMessage('phpthumb_bmp2db failed', __FILE__, __LINE__);
return false;
}
return $this->ErrorImage('ImageMagick is unavailable and phpThumb() does not support BMP source images without it');
break;
}
switch (substr($this->rawImageData, 0, 4)) {
case 'II' . "*":
case 'MM' . "*":
if ($this->phpThumbDebug) {
$this->DebugMessage('ImageMagick is unavailable and phpThumb() does not support TIFF source images without it', __FILE__, __LINE__);
return false;
}
return $this->ErrorImage('ImageMagick is unavailable and phpThumb() does not support TIFF source images without it');
break;
case "×ÍÆš":
if ($this->phpThumbDebug) {
$this->DebugMessage('ImageMagick is unavailable and phpThumb() does not support WMF source images without it', __FILE__, __LINE__);
return false;
}
return $this->ErrorImage('ImageMagick is unavailable and phpThumb() does not support WMF source images without it');
break;
}
if (!$this->gdimg_source) {
if ($this->phpThumbDebug) {
$this->DebugMessage('Unknown image type identified by "' . substr($this->rawImageData, 0, 4) . '" (' . phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)) . ') in SourceImageToGD()', __FILE__, __LINE__);
return false;
}
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 SourceImageToGD()
{
if (is_resource($this->gdimg_source)) {
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
$this->DebugMessage('skipping SourceImageToGD() because $this->gdimg_source is already a resource (' . $this->source_width . 'x' . $this->source_height . ')', __FILE__, __LINE__);
return true;
}
$this->DebugMessage('starting SourceImageToGD()', __FILE__, __LINE__);
while (true) {
if (!$this->exif_thumbnail_data) {
$this->DebugMessage('Not using EXIF thumbnail data because $this->exif_thumbnail_data is empty', __FILE__, __LINE__);
break;
}
if (ini_get('safe_mode')) {
if ($this->config_max_source_pixels > 0 && $this->source_width * $this->source_height > $this->config_max_source_pixels) {
$this->DebugMessage('Using EXIF thumbnail data because source image too large and safe_mode enabled', __FILE__, __LINE__);
$this->aoe = true;
} else {
break;
}
} else {
if (!$this->config_use_exif_thumbnail_for_speed) {
$this->DebugMessage('Not using EXIF thumbnail data because $this->config_use_exif_thumbnail_for_speed is FALSE', __FILE__, __LINE__);
break;
}
if ($this->thumbnailCropX != 0 || $this->thumbnailCropY != 0) {
$this->DebugMessage('Not using EXIF thumbnail data because source cropping is enabled (' . $this->thumbnailCropX . ',' . $this->thumbnailCropY . ')', __FILE__, __LINE__);
break;
}
if ($this->w > $this->exif_thumbnail_width || $this->h > $this->exif_thumbnail_height) {
$this->DebugMessage('Not using EXIF thumbnail data because EXIF thumbnail is too small (' . $this->exif_thumbnail_width . 'x' . $this->exif_thumbnail_height . ' vs ' . $this->w . 'x' . $this->h . ')', __FILE__, __LINE__);
break;
}
$source_ar = $this->source_width / $this->source_height;
$exif_ar = $this->exif_thumbnail_width / $this->exif_thumbnail_height;
if (number_format($source_ar, 2) != number_format($exif_ar, 2)) {
$this->DebugMessage('not using EXIF thumbnail because $source_ar != $exif_ar (' . $source_ar . ' != ' . $exif_ar . ')', __FILE__, __LINE__);
break;
}
}
// EXIF thumbnail exists, and is equal to or larger than destination thumbnail, and will be use as source image
$this->DebugMessage('Trying to use EXIF thumbnail as source image', __FILE__, __LINE__);
if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {
$this->DebugMessage('Successfully using EXIF thumbnail as source image', __FILE__, __LINE__);
$this->gdimg_source = $gdimg_exif_temp;
$this->source_width = $this->exif_thumbnail_width;
$this->source_height = $this->exif_thumbnail_height;
$this->thumbnailCropW = $this->source_width;
$this->thumbnailCropH = $this->source_height;
return true;
} else {
$this->DebugMessage('$this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false) failed', __FILE__, __LINE__);
}
break;
}
if (!$this->gdimg_source) {
if ($this->md5s && $this->md5s != phpthumb_functions::md5_file_safe($this->sourceFilename)) {
return $this->ErrorImage('$this->md5s != md5($rawimagedata)' . "\n" . '"' . $this->md5s . '" != ' . "\n" . '"' . phpthumb_functions::md5_file_safe($this->sourceFilename) . '"');
}
switch (@$this->getimagesizeinfo[2]) {
case 1:
case 3:
// GIF or PNG input file may have transparency
$this->is_alpha = true;
break;
}
//$this->gdimg_source = $this->ImageCreateFromFilename($this->sourceFilename, $this->rawImageData);
$this->gdimg_source = $this->ImageCreateFromFilename($this->sourceFilename);
//if ($this->md5s && ($this->md5s != md5($this->rawImageData))) {
// return $this->ErrorImage('$this->md5s != md5($this->rawImageData)'."\n".'"'.$this->md5s.'" != '."\n".'"'.md5($this->rawImageData).'"');
//}
if (!$this->gdimg_source) {
$this->DebugMessage('$this->gdimg_source is still empty', __FILE__, __LINE__);
if ($this->ImageMagickThumbnailToGD()) {
// excellent, we have a thumbnailed source image
$this->DebugMessage('ImageMagickThumbnailToGD() succeeded', __FILE__, __LINE__);
} else {
$this->DebugMessage('ImageMagickThumbnailToGD() failed', __FILE__, __LINE__);
$imageHeader = '';
$gd_info = gd_info();
$GDreadSupport = false;
//switch (substr($this->rawImageData, 0, 3)) {
// case 'GIF':
// $imageHeader = 'Content-Type: image/gif';
// $GDreadSupport = (bool) @$gd_info['GIF Read Support'];
// break;
// case "\xFF\xD8\xFF":
// $imageHeader = 'Content-Type: image/jpeg';
// $GDreadSupport = (bool) @$gd_info['JPG Support'];
// break;
// case "\x89".'PN':
// $imageHeader = 'Content-Type: image/png';
// $GDreadSupport = (bool) @$gd_info['PNG Support'];
// break;
//}
switch (@$this->getimagesizeinfo[2]) {
case 1:
$imageHeader = 'Content-Type: image/gif';
$GDreadSupport = (bool) @$gd_info['GIF Read Support'];
break;
case 2:
$imageHeader = 'Content-Type: image/jpeg';
$GDreadSupport = (bool) @$gd_info['JPG Support'];
break;
case 3:
$imageHeader = 'Content-Type: image/png';
$GDreadSupport = (bool) @$gd_info['PNG Support'];
break;
}
if ($imageHeader) {
// cannot create image for whatever reason (maybe ImageCreateFromJPEG et al are not available?)
// and ImageMagick is not available either, no choice but to output original (not resized/modified) data and exit
if ($this->config_error_die_on_source_failure) {
$this->ErrorImage('All attempts to create GD image source failed (' . (ini_get('safe_mode') ? 'Safe Mode enabled, ImageMagick unavailable and source image probably too large for GD' : ($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "' . $imageHeader . '"')) . '), cannot generate thumbnail');
} else {
//$this->DebugMessage('All attempts to create GD image source failed ('.($GDreadSupport ? 'source image probably corrupt' : 'GD does not have read support for "'.$imageHeader.'"').'), outputing raw image', __FILE__, __LINE__);
//if (!$this->phpThumbDebug) {
// header($imageHeader);
// echo $this->rawImageData;
// exit;
//}
return false;
}
}
//switch (substr($this->rawImageData, 0, 2)) {
// case 'BM':
switch (@$this->getimagesizeinfo[2]) {
case 6:
ob_start();
if (!@(include_once dirname(__FILE__) . '/phpthumb.bmp.php')) {
ob_end_clean();
return $this->ErrorImage('include_once(' . dirname(__FILE__) . '/phpthumb.bmp.php) failed');
}
ob_end_clean();
if ($fp = @fopen($this->sourceFilename, 'rb')) {
$this->rawImageData = '';
while (!feof($fp)) {
$this->rawImageData .= fread($fp, 32768);
}
fclose($fp);
}
$phpthumb_bmp = new phpthumb_bmp();
if ($this->gdimg_source = $phpthumb_bmp->phpthumb_bmp2gd($this->rawImageData, phpthumb_functions::gd_version() >= 2.0)) {
$this->DebugMessage('$phpthumb_bmp->phpthumb_bmp2gd() succeeded', __FILE__, __LINE__);
break;
}
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on BMP source conversion' : 'phpthumb_bmp2gd() failed');
break;
//}
//switch (substr($this->rawImageData, 0, 4)) {
// case 'II'."\x2A\x00":
// case 'MM'."\x00\x2A":
//}
//switch (substr($this->rawImageData, 0, 4)) {
// case 'II'."\x2A\x00":
// case 'MM'."\x00\x2A":
case 7:
case 8:
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on TIFF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support TIFF source images without it');
break;
//case "\xD7\xCD\xC6\x9A":
// return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on WMF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support WMF source images without it');
// break;
}
if (!$this->gdimg_source) {
$HeaderFourBytes = '';
if ($fp = @fopen($this->sourceFilename, 'rb')) {
$HeaderFourBytes = fread($fp, 4);
fclose($fp);
}
if ($HeaderFourBytes == "×ÍÆš") {
return $this->ErrorImage($this->ImageMagickVersion() ? 'ImageMagick failed on WMF source conversion' : 'ImageMagick is unavailable and phpThumb() does not support WMF source images without it');
}
return $this->ErrorImage('Unknown image type identified by "' . substr($HeaderFourBytes, 0, 4) . '" (' . phpthumb_functions::HexCharDisplay(substr($this->rawImageData, 0, 4)) . ') in SourceImageToGD()');
}
}
}
}
if (!$this->gdimg_source) {
if ($gdimg_exif_temp = $this->ImageCreateFromStringReplacement($this->exif_thumbnail_data, false)) {
$this->DebugMessage('All other attempts failed, but successfully using EXIF thumbnail as source image', __FILE__, __LINE__);
$this->gdimg_source = $gdimg_exif_temp;
// override allow-enlarging setting if EXIF thumbnail is the only source available
// otherwise thumbnails larger than the EXIF thumbnail will be created at EXIF size
$this->aoe = true;
return true;
}
return false;
}
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
return true;
}
static function CreateThumbnail($src_img, $max_size)
{
$ext = trim(strtolower(strrchr($src_img, '.')), '.');
$extras_dir = WPFB_PLUGIN_ROOT . 'extras/';
$tmp_img = $src_img . '_thumb.jpg';
$tmp_del = true;
switch ($ext) {
case 'bmp':
if (@file_exists($extras_dir . 'phpthumb.functions.php') && @file_exists($extras_dir . 'phpthumb.bmp.php')) {
@(include_once $extras_dir . 'phpthumb.functions.php');
@(include_once $extras_dir . 'phpthumb.bmp.php');
if (class_exists('phpthumb_functions') && class_exists('phpthumb_bmp')) {
$phpthumb_bmp = new phpthumb_bmp();
$im = $phpthumb_bmp->phpthumb_bmpfile2gd($src_img);
if ($im) {
@imagejpeg($im, $tmp_img, 100);
} else {
return false;
}
}
}
break;
default:
$tmp_img = $src_img;
$tmp_del = false;
break;
}
$tmp_size = array();
if (!@file_exists($tmp_img) || @filesize($tmp_img) == 0 || !WPFB_FileUtils::IsValidImage($tmp_img, $tmp_size)) {
if ($tmp_del && is_file($tmp_img)) {
@unlink($tmp_img);
}
return false;
}
if (!function_exists('image_make_intermediate_size')) {
require_once ABSPATH . 'wp-includes/media.php';
if (!function_exists('image_make_intermediate_size')) {
if ($tmp_del && is_file($tmp_img)) {
@unlink($tmp_img);
}
wp_die('Function image_make_intermediate_size does not exist!');
return false;
}
}
$dir = dirname($src_img) . '/';
$thumb = @image_make_intermediate_size($tmp_img, $max_size, $max_size);
if ((!$thumb || is_wp_error($thumb)) && !empty($tmp_size) && max($tmp_size) <= $max_size) {
// error occurs when image is smaller than thumb_size. in this case, just copy original
$name = wp_basename($src_img, ".{$ext}");
$new_thumb = "{$name}-{$tmp_size[0]}x{$tmp_size[1]}" . strtolower(strrchr($tmp_img, '.'));
if ($tmp_del) {
rename($tmp_img, $dir . $new_thumb);
} else {
copy($tmp_img, $dir . $new_thumb);
}
$thumb = array('file' => $new_thumb);
}
if ($tmp_del && is_file($tmp_img)) {
unlink($tmp_img);
}
if (!$thumb) {
return false;
}
rename($dir . $thumb['file'], $fn = $dir . str_ireplace(array('.pdf_thumb', '.tiff_thumb', '.tif_thumb', '.bmp_thumb'), '', $thumb['file']));
return $fn;
}
static function CreateThumbnail($src_img, $max_size)
{
$ext = trim(strtolower(strrchr($src_img, '.')), '.');
$extras_dir = WPFB_PLUGIN_ROOT . 'extras/';
$tmp_img = $src_img . '_thumb.jpg';
$tmp_del = true;
switch ($ext) {
case 'bmp':
if (@file_exists($extras_dir . 'phpthumb.functions.php') && @file_exists($extras_dir . 'phpthumb.bmp.php')) {
@(include_once $extras_dir . 'phpthumb.functions.php');
@(include_once $extras_dir . 'phpthumb.bmp.php');
if (class_exists('phpthumb_functions') && class_exists('phpthumb_bmp')) {
$phpthumb_bmp = new phpthumb_bmp();
$im = $phpthumb_bmp->phpthumb_bmpfile2gd($src_img);
if ($im) {
@imagejpeg($im, $tmp_img, 100);
} else {
return false;
}
}
}
break;
default:
$tmp_img = $src_img;
$tmp_del = false;
break;
}
$tmp_size = array();
if (!@file_exists($tmp_img) || @filesize($tmp_img) == 0 || !WPFB_FileUtils::IsValidImage($tmp_img, $tmp_size)) {
return $tmp_del && is_file($tmp_img) && @unlink($tmp_img) && false;
}
if (!function_exists('wp_get_image_editor') && !(include_once ABSPATH . 'wp-includes/media.php') && !function_exists('wp_get_image_editor')) {
return $tmp_del && is_file($tmp_img) && @unlink($tmp_img) && false;
}
// load image
$editor = wp_get_image_editor($tmp_img);
if (is_wp_error($editor)) {
return $tmp_del && is_file($tmp_img) && @unlink($tmp_img) && false;
}
// "trim" image whitespaces
$boundary = self::GetImageBoundary($tmp_img);
if (array_sum($boundary) > 0 && is_wp_error($editor->crop($boundary[0], $boundary[1], $boundary[2], $boundary[3]))) {
return $tmp_del && is_file($tmp_img) && @unlink($tmp_img) && false;
}
// resize to max thumb size
if (is_wp_error($editor->resize($max_size, $max_size))) {
return $tmp_del && is_file($tmp_img) && @unlink($tmp_img) && false;
}
// save
$thumb = $editor->save();
$dir = dirname($src_img) . '/';
// error occurs when image is smaller than thumb_size. in this case, just copy original
if (is_wp_error($thumb) && !empty($tmp_size) && max($tmp_size) <= $max_size) {
$name = wp_basename($src_img, ".{$ext}");
$new_thumb = "{$name}-{$tmp_size[0]}x{$tmp_size[1]}" . strtolower(strrchr($tmp_img, '.'));
if ($tmp_del) {
rename($tmp_img, $dir . $new_thumb);
} else {
copy($tmp_img, $dir . $new_thumb);
}
$thumb = array('file' => $new_thumb);
}
$tmp_del && is_file($tmp_img) && unlink($tmp_img);
if (!$thumb) {
return false;
}
$fn = $dir . str_ireplace(array('.pdf_thumb', '.jpg_thumb', '.tiff_thumb', '.tif_thumb', '.bmp_thumb'), '', $thumb['file']);
// make sure we have a thumb file name like `._[KK..K].thumb.(jpg|png)$`
$thumb_suffix = '.thumb';
$lts = strlen($thumb_suffix);
$p = strrpos($fn, '.');
if ($p <= $lts || strcmp($thumb_suffix, substr($fn, $p - $lts, $lts)) != 0) {
// add token to make thumbnail url non-guessable
$token = '._' . wp_generate_password(12, false, false);
$fn = substr($fn, 0, $p) . $token . $thumb_suffix . substr($fn, $p);
}
rename($dir . $thumb['file'], $fn);
return $fn;
}
function SourceImageToGD()
{
if (is_resource($this->gdimg_source)) {
$this->DebugMessage('skipping SourceImageToGD() because $this->gdimg_source is already a resource', __FILE__, __LINE__);
return true;
}
$this->DebugMessage('starting SourceImageToGD()', __FILE__, __LINE__);
if ($this->config_use_exif_thumbnail_for_speed && !empty($this->exif_thumbnail_data)) {
if ($this->exif_thumbnail_width >= $this->thumbnail_image_width && $this->exif_thumbnail_height >= $this->thumbnail_image_height && $this->thumbnailCropX == 0 && $this->thumbnailCropY == 0 && $this->thumbnailCropW > 0 && $this->thumbnailCropH > 0 && $this->source_width >= $this->thumbnailCropW && $this->source_height >= $this->thumbnailCropH) {
// EXIF thumbnail exists, and is equal to or larger than destination thumbnail, and will be use as source image
// Only benefit here is greater speed, not lower memory usage
$this->DebugMessage('Trying to use EXIF thumbnail as source image', __FILE__, __LINE__);
if ($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__);
}
} else {
$this->DebugMessage('Not using EXIF thumbnail data because EXIF thumbnail is too small', __FILE__, __LINE__);
}
} else {
if (!$this->config_use_exif_thumbnail_for_speed) {
$this->DebugMessage('Not using EXIF thumbnail data because $this->config_use_exif_thumbnail_for_speed is FALSE', __FILE__, __LINE__);
} elseif ($this->getimagesizeinfo[2] == 2) {
$this->DebugMessage('Not using EXIF thumbnail data because EXIF thumbnail is unavailable', __FILE__, __LINE__);
} elseif (is_array($this->getimagesizeinfo)) {
$this->DebugMessage('Not using EXIF thumbnail data because source image is not JPEG, therefore no EXIF thumbnail available', __FILE__, __LINE__);
//} else {
// $this->DebugMessage('Not using EXIF thumbnail data because GetImageSize failed on source image', __FILE__, __LINE__);
}
}
if (empty($this->gdimg_source)) {
// try to create GD image source directly via GD, if possible,
// rather than buffering to memory and creating with ImageCreateFromString
$ImageCreateWasAttempted = false;
if (!empty($this->rawImageData)) {
// fine
} elseif ($this->iswindows && (substr($this->sourceFilename, 0, 2) == '//' || substr($this->sourceFilename, 0, 2) == '\\\\')) {
// Windows \\share\filename.ext
} elseif (eregi('^(f|ht)tp[s]?://', $this->sourceFilename)) {
// URL
} elseif (!file_exists($this->sourceFilename)) {
return $this->ErrorImage('"' . $this->sourceFilename . '" does not exist');
} elseif (!is_file($this->sourceFilename)) {
return $this->ErrorImage('"' . $this->sourceFilename . '" is not a file');
}
$ImageCreateFromFunction = array(1 => 'ImageCreateFromGIF', 2 => 'ImageCreateFromJPEG', 3 => 'ImageCreateFromPNG', 15 => 'ImageCreateFromWBMP');
switch (@$this->getimagesizeinfo[2]) {
case 1:
// GIF
// GIF
case 2:
// JPEG
// JPEG
case 3:
// PNG
// PNG
case 15:
// WBMP
$ImageCreateFromFunctionName = $ImageCreateFromFunction[$this->getimagesizeinfo[2]];
if (function_exists($ImageCreateFromFunctionName)) {
$this->DebugMessage('Calling ' . $ImageCreateFromFunctionName . '(' . $this->sourceFilename . ')', __FILE__, __LINE__);
$ImageCreateWasAttempted = true;
$this->gdimg_source = @$ImageCreateFromFunctionName($this->sourceFilename);
switch ($this->getimagesizeinfo[2]) {
case 1:
case 3:
// GIF or PNG input file may have transparency
$this->is_alpha = true;
break;
}
} else {
$this->DebugMessage('NOT calling ' . $ImageCreateFromFunctionName . '(' . $this->sourceFilename . ') because !function_exists(' . $ImageCreateFromFunctionName . ')', __FILE__, __LINE__);
}
break;
case 4:
// SWF
// SWF
case 5:
// PSD
// PSD
case 6:
// BMP
// BMP
case 7:
// TIFF (LE)
// TIFF (LE)
case 8:
// TIFF (BE)
// TIFF (BE)
case 9:
// JPC
// JPC
case 10:
// JP2
// JP2
case 11:
// JPX
// JPX
case 12:
// JB2
// JB2
case 13:
// SWC
// SWC
case 14:
// IFF
// IFF
case 16:
// XBM
$this->DebugMessage('No built-in image creation function for image type "' . @$this->getimagesizeinfo[2] . '" ($this->getimagesizeinfo[2])', __FILE__, __LINE__);
break;
case '':
// no source file, source image was probably set by setSourceData()
break;
default:
$this->DebugMessage('Unknown value for $this->getimagesizeinfo[2]: "' . @$this->getimagesizeinfo[2] . '"', __FILE__, __LINE__);
break;
}
if (empty($this->gdimg_source)) {
// cannot create from filename, attempt to create source image with ImageCreateFromString, if possible
if ($ImageCreateWasAttempted) {
$this->DebugMessage(@$ImageCreateFromFunctionName . '() was attempted but FAILED', __FILE__, __LINE__);
}
if (empty($this->rawImageData)) {
$this->DebugMessage('Populating $this->rawImageData and attempting ImageCreateFromStringReplacement()', __FILE__, __LINE__);
if ($fp = @fopen($this->sourceFilename, 'rb')) {
$this->rawImageData = '';
$filesize = filesize($this->sourceFilename);
$blocksize = 16384;
$blockreads = ceil($filesize / $blocksize);
for ($i = 0; $i < $blockreads; $i++) {
$this->rawImageData .= fread($fp, $blocksize);
}
fclose($fp);
} else {
return $this->ErrorImage('cannot fopen("' . $this->sourceFilename . '") on line ' . __LINE__ . ' of ' . __FILE__);
}
}
$this->gdimg_source = $this->ImageCreateFromStringReplacement($this->rawImageData, true);
}
if (empty($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__);
$imageHeader = '';
switch (substr($this->rawImageData, 0, 3)) {
case 'GIF':
$imageHeader = 'Content-type: image/gif';
break;
case "ÿØÿ":
$imageHeader = 'Content-type: image/jpeg';
break;
case "‰" . 'PN':
$imageHeader = 'Content-type: image/png';
break;
}
if ($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 (source image probably corrupt), cannot generate thumbnail');
} else {
$this->DebugMessage('All attempts to create GD image source failed, outputing raw image', __FILE__, __LINE__);
header($imageHeader);
echo $this->rawImageData;
exit;
}
}
switch (substr($this->rawImageData, 0, 2)) {
case 'BM':
if (@(include_once 'phpthumb.bmp.php')) {
$phpthumb_bmp = new phpthumb_bmp();
if ($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;
} else {
return $this->ErrorImage('phpthumb_bmp2db failed');
}
} else {
return $this->ErrorImage('include_once(phpthumb.bmp.php) failed');
}
return $this->ErrorImage('ImageMagick is unavailable and phpThumb() does not support BMP source images without it');
break;
}
switch (substr($this->rawImageData, 0, 4)) {
case 'II' . "*":
case 'MM' . "*":
return $this->ErrorImage('ImageMagick is unavailable and phpThumb() does not support TIFF source images without it');
break;
case "×ÍÆš":
return $this->ErrorImage('ImageMagick is unavailable and phpThumb() does not support WMF source images without it');
break;
}
if (empty($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()');
}
}
}
}
$this->source_width = ImageSX($this->gdimg_source);
$this->source_height = ImageSY($this->gdimg_source);
return true;
}
