public static function &get_uploader($prefix = '', $destdir = '')
{
$mod = cge_utils::get_cge();
$obj = new cge_uploader($prefix, $destdir);
$obj->set_accepted_filetypes($mod->GetPreference('alloweduploadfiles'));
$obj->set_accepted_imagetypes($mod->GetPreference('imageextensions'));
$obj->set_preview($mod->GetPreference('allow_resizing', 0));
$obj->set_preview_size($mod->GetPreference('resizeimage', 0));
$obj->set_watermark($mod->GetPreference('allow_watermarking', 0));
$obj->set_thumbnail($mod->GetPreference('allow_thumbnailing', 0));
$obj->set_thumbnail_size($mod->GetPreference('thumbnailsize'));
$obj->set_delete_orig($mod->GetPreference('delete_orig_image'));
return $obj;
}
public static function transform_image($srcSpec, $destSpec, $size = '')
{
$config = cmsms()->GetConfig();
require_once $config['root_path'] . '/lib/filemanager/ImageManager/Classes/Transform.php';
if ($size == '') {
$cge = cge_utils::get_cge();
$size = $cge->GetPreference('thumbnailsize');
}
$it = new Image_Transform();
$img = $it->factory($config['image_manipulation_prog']);
$img->load($srcSpec);
if ($img->img_x < $img->img_y) {
$long_axis = $img->img_y;
} else {
$long_axis = $img->img_x;
}
if ($long_axis > $size) {
$img->scaleByLength($size);
$img->save($destSpec, 'jpeg');
} else {
$img->save($destSpec, 'jpeg');
}
$img->free();
}
/**
* Resize an image to have the specifified number of pixels in the logest dimension while retaining aspect ratio.
*
* @param string $srcSpec The complete path to the input file.
* @param string $destSpec The complete path to the output file.
* @param int $size The maximum size of the longest dimension of the image (in pixels).
*/
public static function transform_image($srcSpec, $destSpec, $size = null)
{
if (!file_exists($srcSpec)) {
throw new \CmsInvalidDataException('File ' . $srcSpec . ' not found');
}
if (!is_readable($srcSpec)) {
throw new \CmsInvalidDataException('File ' . $srcSpec . ' is not readable');
}
$destdir = dirname($destSpec);
if (!is_writable($destdir)) {
throw new \CmsInvalidDataException($destdir . ' is not writable');
}
if (file_exists($destSpec) && !is_writable($destSpec)) {
throw new \CmsInvalidDataException($destSpec . ' exists, but cannot be overwritten.');
}
$imginfo = getimagesize($srcSpec);
if ($imginfo === FALSE) {
throw new \RuntimeException($srcSpec . ' is not a valid image file (could not get dimensions)');
}
if ($size < 1) {
// get a default thumbnail size.
$cge = cge_utils::get_cge();
$size = (int) $cge->GetPreference('thumbnailsize');
}
// calculate new sizes.
$new_w = $new_h = 0;
if ($imginfo[0] >= $imginfo[1]) {
// image is taller than wide
$new_w = $size;
$new_h = round($new_w / $imginfo[0] * $imginfo[1], 0);
} else {
$new_h = $size;
$new_w = round($new_h / $imginfo[1] * $imginfo[0], 0);
}
self::resize($srcSpec, $destSpec, $new_w, $new_h);
}
/**
* Geerate tags (such as stylesheet tags) that are required for the HEAD portion of the HTML output.
*
* @return string The HTML tags to go into the HEAD portion.
*/
protected function get_head_contents()
{
$out = '';
if (count($this->_stylesheets)) {
$mod = \cge_utils::get_cge();
foreach ($this->_stylesheets as $one) {
if (!file_exists($one)) {
continue;
}
$url = \cge_utils::file_to_url($one);
if (!$url) {
continue;
}
$out .= '<link rel="stylesheet" type="text/css" href="' . $url . '">';
}
}
return $out;
}
/**
* Preprocess the uploaded image file. If the file is in the accepted image types.
* by default this method will generate a preview image (if enabled), and then optionally watermark it.
*
* @param array $fileinfo The fileinfo array passed from the $_FILES upload global.
* @return string The path and filename of the destination file.
*/
protected function preprocess_upload($fileinfo)
{
$srcname = $fileinfo['tmp_name'];
if (!$this->is_accepted_imagefile($fileinfo['name'])) {
return $srcname;
}
if ($this->_do_preview && $this->_preview_size > 0) {
// I guess we're resizing the master image.
$destdir = dirname($srcname);
$destname = 'rs_' . basename($srcname);
$tmpname = $destdir . '/' . $destname;
cge_image::transform_image($srcname, $tmpname, $this->_preview_size);
if (!file_exists($tmpname)) {
$mod = cge_utils::get_cge();
$this->set_error($mod->Lang('error_image_transform'));
return FALSE;
} else {
if ($this->_delete_orig) {
@unlink($srcname);
@rename($tmpname, $srcname);
} else {
$srcname = $tmpname;
}
}
}
if ($this->_do_watermark) {
// I guess we're creating a watermark image.
$destdir = dirname($srcname);
$destname = 'wm_' . basename($srcname);
$tmpname = $destdir . '/' . $destname;
$obj = $this->get_watermark_obj();
try {
$res = $obj->create_watermarked_image($srcname, $tmpname);
@unlink($srcname);
$srcname = $tmpname;
} catch (\Exception $e) {
$this->set_error('WATERMARKING: ' . $e->GetMessage());
}
}
return $srcname;
}
