/**
* Create thumbnail
*
* @param string $sourceFile
* @param string $targetFile
* @param int $maxWidth
* @param int $maxHeight
* @param boolean $preserverAspectRatio
* @param boolean $bmpSupported
* @return boolean
* @static
* @access public
*/
public static function createThumb($sourceFile, $targetFile, $maxWidth, $maxHeight, $quality, $preserverAspectRatio, $bmpSupported = false)
{
$sourceImageAttr = @getimagesize($sourceFile);
if ($sourceImageAttr === false) {
return false;
}
$sourceImageWidth = isset($sourceImageAttr[0]) ? $sourceImageAttr[0] : 0;
$sourceImageHeight = isset($sourceImageAttr[1]) ? $sourceImageAttr[1] : 0;
$sourceImageMime = isset($sourceImageAttr["mime"]) ? $sourceImageAttr["mime"] : "";
$sourceImageBits = isset($sourceImageAttr["bits"]) ? $sourceImageAttr["bits"] : 8;
$sourceImageChannels = isset($sourceImageAttr["channels"]) ? $sourceImageAttr["channels"] : 3;
if (!$sourceImageWidth || !$sourceImageHeight || !$sourceImageMime) {
return false;
}
$iFinalWidth = $maxWidth == 0 ? $sourceImageWidth : $maxWidth;
$iFinalHeight = $maxHeight == 0 ? $sourceImageHeight : $maxHeight;
if ($sourceImageWidth <= $iFinalWidth && $sourceImageHeight <= $iFinalHeight) {
if ($sourceFile != $targetFile) {
copy($sourceFile, $targetFile);
}
return true;
}
if ($preserverAspectRatio) {
// Gets the best size for aspect ratio resampling
$oSize = CKFinder_Connector_CommandHandler_Thumbnail::GetAspectRatioSize($iFinalWidth, $iFinalHeight, $sourceImageWidth, $sourceImageHeight);
} else {
$oSize = array('Width' => $iFinalWidth, 'Height' => $iFinalHeight);
}
CKFinder_Connector_Utils_Misc::setMemoryForImage($sourceImageWidth, $sourceImageHeight, $sourceImageBits, $sourceImageChannels);
switch ($sourceImageAttr['mime']) {
case 'image/gif':
if (@imagetypes() & IMG_GIF) {
$oImage = @imagecreatefromgif($sourceFile);
} else {
$ermsg = 'GIF images are not supported';
}
break;
case 'image/jpeg':
if (@imagetypes() & IMG_JPG) {
$oImage = @imagecreatefromjpeg($sourceFile);
} else {
$ermsg = 'JPEG images are not supported';
}
break;
case 'image/png':
if (@imagetypes() & IMG_PNG) {
$oImage = @imagecreatefrompng($sourceFile);
} else {
$ermsg = 'PNG images are not supported';
}
break;
case 'image/wbmp':
if (@imagetypes() & IMG_WBMP) {
$oImage = @imagecreatefromwbmp($sourceFile);
} else {
$ermsg = 'WBMP images are not supported';
}
break;
case 'image/bmp':
/*
* This is sad that PHP doesn't support bitmaps.
* Anyway, we will use our custom function at least to display thumbnails.
* We'll not resize images this way (if $sourceFile === $targetFile),
* because user defined imagecreatefrombmp and imagecreatebmp are horribly slow
*/
if ($bmpSupported && @imagetypes() & IMG_JPG && $sourceFile != $targetFile) {
$oImage = CKFinder_Connector_Utils_Misc::imageCreateFromBmp($sourceFile);
} else {
$ermsg = 'BMP/JPG images are not supported';
}
break;
default:
$ermsg = $sourceImageAttr['mime'] . ' images are not supported';
break;
}
if (isset($ermsg) || false === $oImage) {
return false;
}
$oThumbImage = imagecreatetruecolor($oSize["Width"], $oSize["Height"]);
if ($sourceImageAttr['mime'] == 'image/png') {
$bg = imagecolorallocatealpha($oThumbImage, 255, 255, 255, 127);
// (PHP 4 >= 4.3.2, PHP 5)
imagefill($oThumbImage, 0, 0, $bg);
imagealphablending($oThumbImage, false);
imagesavealpha($oThumbImage, true);
}
//imagecopyresampled($oThumbImage, $oImage, 0, 0, 0, 0, $oSize["Width"], $oSize["Height"], $sourceImageWidth, $sourceImageHeight);
CKFinder_Connector_Utils_Misc::fastImageCopyResampled($oThumbImage, $oImage, 0, 0, 0, 0, $oSize["Width"], $oSize["Height"], $sourceImageWidth, $sourceImageHeight, (int) max(floor($quality / 20), 6));
switch ($sourceImageAttr['mime']) {
case 'image/gif':
imagegif($oThumbImage, $targetFile);
break;
case 'image/jpeg':
case 'image/bmp':
imagejpeg($oThumbImage, $targetFile, $quality);
break;
case 'image/png':
imagepng($oThumbImage, $targetFile);
break;
case 'image/wbmp':
imagewbmp($oThumbImage, $targetFile);
break;
}
$_config =& CKFinder_Connector_Core_Factory::getInstance("Core_Config");
if (file_exists($targetFile) && ($perms = $_config->getChmodFiles())) {
$oldUmask = umask(0);
chmod($targetFile, $perms);
umask($oldUmask);
}
imageDestroy($oImage);
imageDestroy($oThumbImage);
return true;
}
/**
* Create thumbnail
*
* @param string $sourceFile
* @param string $targetFile
* @param int $maxWidth
* @param int $maxHeight
* @param boolean $preserverAspectRatio
* @return boolean
* @static
* @access public
*/
public static function createThumb($sourceFile, $targetFile, $maxWidth, $maxHeight, $quality, $preserverAspectRatio)
{
$sourceImageAttr = @getimagesize($sourceFile);
if ($sourceImageAttr === false) {
return false;
}
$sourceImageWidth = isset($sourceImageAttr[0]) ? $sourceImageAttr[0] : 0;
$sourceImageHeight = isset($sourceImageAttr[1]) ? $sourceImageAttr[1] : 0;
$sourceImageMime = isset($sourceImageAttr["mime"]) ? $sourceImageAttr["mime"] : "";
$sourceImageBits = isset($sourceImageAttr["bits"]) ? $sourceImageAttr["bits"] : 8;
$sourceImageChannels = isset($sourceImageAttr["channels"]) ? $sourceImageAttr["channels"] : 3;
if (!$sourceImageWidth || !$sourceImageHeight || !$sourceImageMime) {
return false;
}
$iFinalWidth = $maxWidth == 0 ? $sourceImageWidth : $maxWidth;
$iFinalHeight = $maxHeight == 0 ? $sourceImageHeight : $maxHeight;
if ($sourceImageWidth <= $iFinalWidth && $sourceImageHeight <= $iFinalHeight) {
if ($sourceFile != $targetFile) {
copy($sourceFile, $targetFile);
}
return true;
}
if ($preserverAspectRatio) {
// Gets the best size for aspect ratio resampling
$oSize = CKFinder_Connector_CommandHandler_Thumbnail::GetAspectRatioSize($iFinalWidth, $iFinalHeight, $sourceImageWidth, $sourceImageHeight);
} else {
$oSize = array($iFinalWidth, $iFinalHeight);
}
CKFinder_Connector_Utils_Misc::setMemoryForImage($sourceImageWidth, $sourceImageHeight, $sourceImageBits, $sourceImageChannels);
switch ($sourceImageAttr['mime']) {
case 'image/gif':
if (@imagetypes() & IMG_GIF) {
$oImage = @imagecreatefromgif($sourceFile);
} else {
$ermsg = 'GIF images are not supported';
}
break;
case 'image/jpeg':
if (@imagetypes() & IMG_JPG) {
$oImage = @imagecreatefromjpeg($sourceFile);
} else {
$ermsg = 'JPEG images are not supported';
}
break;
case 'image/png':
if (@imagetypes() & IMG_PNG) {
$oImage = @imagecreatefrompng($sourceFile);
} else {
$ermsg = 'PNG images are not supported';
}
break;
case 'image/wbmp':
if (@imagetypes() & IMG_WBMP) {
$oImage = @imagecreatefromwbmp($sourceFile);
} else {
$ermsg = 'WBMP images are not supported';
}
break;
default:
$ermsg = $sourceImageAttr['mime'] . ' images are not supported';
break;
}
if (isset($ermsg) || false === $oImage) {
return false;
}
$oThumbImage = imagecreatetruecolor($oSize["Width"], $oSize["Height"]);
//imagecopyresampled($oThumbImage, $oImage, 0, 0, 0, 0, $oSize["Width"], $oSize["Height"], $sourceImageWidth, $sourceImageHeight);
CKFinder_Connector_Utils_Misc::fastImageCopyResampled($oThumbImage, $oImage, 0, 0, 0, 0, $oSize["Width"], $oSize["Height"], $sourceImageWidth, $sourceImageHeight, (int) max(floor($quality / 20), 1));
switch ($sourceImageAttr['mime']) {
case 'image/gif':
imagegif($oThumbImage, $targetFile);
break;
case 'image/jpeg':
imagejpeg($oThumbImage, $targetFile, $quality);
break;
case 'image/png':
imagepng($oThumbImage, $targetFile);
break;
case 'image/wbmp':
imagewbmp($oThumbImage, $targetFile);
break;
}
$_config =& CKFinder_Connector_Core_Factory::getInstance("Core_Config");
if (file_exists($targetFile) && ($perms = $_config->getChmodFiles())) {
$oldUmask = umask(0);
chmod($targetFile, $perms);
umask($oldUmask);
}
imageDestroy($oImage);
imageDestroy($oThumbImage);
return true;
}
