}
if (!function_exists('imagecreatefrompng')) {
CMS_grandFather::raiseError('Can\'t find imagecreatefrompng, please install GD library.');
$return['error'] = $cms_language->getJsMessage(MESSAGE_PAGE_PNG_SUPPORT);
$view->setContent($return);
$view->show();
}
//Resize image
if (!$image->resize($width, $height, '', true, $autocrop)) {
CMS_grandFather::raiseError('Error during treatment of file ' . $image->getFilename() . ', please check GD library.');
$return['error'] = $cms_language->getJsMessage(MESSAGE_PAGE_LIB_GD_VERIF);
$view->setContent($return);
$view->show();
}
//Crop image if needed
if ($cropTop || $cropBottom || $cropLeft || $cropRight) {
if (!$image->crop($cropTop, $cropBottom, $cropLeft, $cropRight)) {
CMS_grandFather::raiseError('Error during treatment of file ' . $image->getFilename() . ', please check GD library.');
$return['error'] = $cms_language->getJsMessage(MESSAGE_PAGE_LIB_GD_VERIF);
$view->setContent($return);
$view->show();
}
}
$newimage = new CMS_file($image->getFilename());
//set new image infos and return
clearstatcache();
$return['filesize'] = $newimage->getFileSize();
$return['filepath'] = $newimage->getFilePath(CMS_file::WEBROOT);
$return['filename'] = $newimage->getFilename(false);
$view->setContent($return);
$view->show();
/**
* Resize current image to a specified size
*
* @param integer $newSizeX, the new width size for the image in pixels
* @param integer $newSizeY, the new height size for the image in pixels
* @param integer $saveToPathFS, save resized image to given FS path instead of replacing current one
* @param boolean $keepRatio, keep current image ratio (default : true)
* @param boolean $crop, crop image if needed to respect ratio and image dimension queried (default : false)
* @return boolean true on success, false on failure
* @access public
*/
function resize($newSizeX, $newSizeY, $saveToPathFS = '', $keepRatio = true, $crop = false)
{
$imagepathFS = $this->getFilename();
$sizeX = $this->getWidth();
$sizeY = $this->getHeight();
if (!io::isPositiveInteger($sizeX) || !io::isPositiveInteger($sizeY)) {
$this->raiseError('Unkown image size ...');
return false;
}
//if no resize needed
if ($sizeX == $newSizeX && $sizeY == $newSizeY) {
if (!$saveToPathFS) {
return true;
}
return CMS_file::copyTo($imagepathFS, $saveToPathFS);
}
//if we do not have a path to save image, replace current file
if (!$saveToPathFS) {
$this->_height = $this->_width = null;
$saveToPathFS = $imagepathFS;
}
if ($keepRatio) {
//store original queried size
$x = $newSizeX;
$y = $newSizeY;
if (!$crop) {
// set new image dimensions without crop
$newSizeX = $sizeX;
$newSizeY = $sizeY;
if ($x && $newSizeX > $x) {
$newSizeY = round($x * $newSizeY / $newSizeX);
$newSizeX = $x;
}
if ($y && $newSizeY > $y) {
$newSizeX = round($y * $newSizeX / $newSizeY);
$newSizeY = $y;
}
} else {
// set new image dimensions with crop
if ($sizeX == $x || $sizeY == $y) {
$newSizeX = $sizeX;
$newSizeY = $sizeY;
} else {
$newSizeX = $x;
$newSizeY = round($sizeY * $x / $sizeX);
if ($newSizeY < $y) {
$newSizeX = round($sizeX * $y / $sizeY);
$newSizeY = $y;
}
}
}
}
//CMS_grandFather::log("\n".'Image : '.$this->getFilename(false).' -- original : '.$sizeX.' - '.$sizeY." -- ".'queried : '.$x.' - '.$y." -- ".'new : '.$newSizeX.' - '.$newSizeY);
//resize image
if ($newSizeX < $sizeX || $newSizeY < $sizeY) {
//resize image and keep transparency if any
switch ($this->getExtension()) {
case "gif":
$src = imagecreatefromgif($imagepathFS);
$dest = imagecreate($newSizeX, $newSizeY);
$transparent = imagecolortransparent($src);
// If we have a specific transparent color
if ($transparent >= 0) {
$transColor = imagecolorsforindex($src, $transparent);
$transparent = imagecolorallocate($dest, $transColor['red'], $transColor['green'], $transColor['blue']);
imagefill($dest, 0, 0, $transparent);
imagecolortransparent($dest, $transparent);
}
//create new image
imagecopyresampled($dest, $src, 0, 0, 0, 0, $newSizeX, $newSizeY, $sizeX, $sizeY);
imagegif($dest, $saveToPathFS);
//destroy resources
imagedestroy($src);
imagedestroy($dest);
break;
case "jpg":
case "jpeg":
case "jpe":
$src = imagecreatefromjpeg($imagepathFS);
$dest = imagecreatetruecolor($newSizeX, $newSizeY);
//create new image
imagecopyresampled($dest, $src, 0, 0, 0, 0, $newSizeX, $newSizeY, $sizeX, $sizeY);
imagejpeg($dest, $saveToPathFS, self::JPEG_QUALITY);
//destroy resources
imagedestroy($src);
imagedestroy($dest);
break;
case "png":
$src = imagecreatefrompng($imagepathFS);
$dest = imagecreatetruecolor($newSizeX, $newSizeY);
//save alpha channel
imagealphablending($dest, false);
imagesavealpha($dest, true);
$transparent = imagecolorallocatealpha($dest, 255, 255, 255, 127);
imagefilledrectangle($dest, 0, 0, $newSizeX, $newSizeY, $transparent);
//create new image
imagecopyresampled($dest, $src, 0, 0, 0, 0, $newSizeX, $newSizeY, $sizeX, $sizeY);
imagepng($dest, $saveToPathFS, self::PNG_COMPRESSION);
//destroy resources
imagedestroy($src);
imagedestroy($dest);
break;
}
//chmod new file
CMS_file::chmodFile(FILES_CHMOD, $saveToPathFS);
} elseif ($imagepathFS != $saveToPathFS) {
//copy file to new destination if saveToPathFS is not the same as current imagepathFS
CMS_file::copyTo($imagepathFS, $saveToPathFS);
}
//check for crop if needed
if ($keepRatio && $crop && ($newSizeX > $x || $newSizeY > $y)) {
$cropTop = $cropBottom = $cropLeft = $cropRight = 0;
//calculate crop values
if ($newSizeX > $x) {
$cropLeft = ceil(($newSizeX - $x) / 2);
$cropRight = floor(($newSizeX - $x) / 2);
}
if ($newSizeY > $y) {
$cropTop = ceil(($newSizeY - $y) / 2);
$cropBottom = floor(($newSizeY - $y) / 2);
}
$tmpImage = new CMS_image($saveToPathFS);
return $tmpImage->crop($cropTop, $cropBottom, $cropLeft, $cropRight);
}
return true;
}
