/**
* @param FileTool $tool
* @return bool
*/
public function isValid(FileTool $tool)
{
$toolName = $tool->getName();
if (null !== $this->exclude and in_array($toolName, $this->exclude)) {
return false;
}
if (null !== $this->include and !in_array($toolName, $this->include)) {
return false;
}
return true;
}
public static function createThumbnail($picture_path, $thumbnail_path, $options = array())
{
$default_options = ['max_width' => null, 'max_height' => null, 'mimetype' => null, 'copy_if_smaller' => true, 'force_creation' => false];
$options = array_merge($default_options, $options);
if (is_readable($picture_path) && (isset($options['max_width']) || isset($options['max_height']) || isset($options['force_creation']) && $options['force_creation'])) {
if (!isset($options['mimetype'])) {
$mimetype = FileTool::getMimetype($picture_path);
} else {
$mimetype = $options['mimetype'];
}
switch ($mimetype) {
case 'image/jpeg':
/*
* On some PHP + GD config, some warnings about image may prevent to create an image from file
* -> disable warnings
*/
ini_set('gd.jpeg_ignore_warning', 1);
$img = imagecreatefromjpeg($picture_path);
break;
case 'image/png':
$img = imagecreatefrompng($picture_path);
break;
case 'image/gif':
$img = imagecreatefromgif($picture_path);
break;
case 'image/x-ms-bmp':
//Windows bitmaps can not be resized with GD library
//Windows bitmaps can not be resized with GD library
default:
return false;
}
if (isset($img) && $img !== false) {
$x = imagesx($img);
$y = imagesy($img);
$max_width = isset($options['max_width']) ? $options['max_width'] : $x;
$max_height = isset($options['max_height']) ? $options['max_height'] : $y;
/* small thumbnails *****************/
if ($x > $max_width || $y > $max_height) {
if ($x > $y) {
$nx = $max_width;
$ny = $nx / $x * $y;
if ($ny > $max_height) {
$ny = $max_height;
$nx = $ny / $y * $x;
}
} else {
$ny = $max_height;
$nx = $ny / $y * $x;
if ($nx > $max_width) {
$nx = $max_width;
$ny = $nx / $x * $y;
}
}
} elseif (isset($options['copy_if_smaller']) && $options['copy_if_smaller']) {
copy($picture_path, $thumbnail_path);
chmod($thumbnail_path, 0777);
return true;
} elseif (isset($options['force_creation']) && $options['force_creation']) {
$nx = $x;
$ny = $y;
}
if (isset($nx) && isset($ny)) {
$nimg = imagecreatetruecolor($nx, $ny);
/*
* preserve transparency
*/
if ($mimetype == "image/gif" or $mimetype == "image/png") {
imagecolortransparent($nimg, imagecolorallocatealpha($nimg, 0, 0, 0, 127));
imagealphablending($nimg, false);
imagesavealpha($nimg, true);
}
imagecopyresampled($nimg, $img, 0, 0, 0, 0, $nx, $ny, $x, $y);
switch ($mimetype) {
case 'image/jpeg':
imagejpeg($nimg, $thumbnail_path);
break;
case 'image/png':
imagepng($nimg, $thumbnail_path);
break;
case 'image/gif':
imagegif($nimg, $thumbnail_path);
break;
case 'image/x-ms-bmp':
//Windows bitmaps can not be resized with GD library
//Windows bitmaps can not be resized with GD library
default:
break;
}
@chmod($thumbnail_path, 0777);
return true;
}
}
}
return false;
}
