/**
* Gets the jpeg contents of the resized version of an already uploaded image
* (Returns false if the file was not an image)
*
* @param string $input_name The name of the file on the disk
* @param int $maxwidth The desired width of the resized image
* @param int $maxheight The desired height of the resized image
* @param bool $square If set to true, takes the smallest of maxwidth and
* maxheight and use it to set the dimensions on the new image.
* If no crop parameters are set, the largest square that fits
* in the image centered will be used for the resize. If square,
* the crop must be a square region.
* @param int $x1 x coordinate for top, left corner
* @param int $y1 y coordinate for top, left corner
* @param int $x2 x coordinate for bottom, right corner
* @param int $y2 y coordinate for bottom, right corner
* @param bool $upscale Resize images smaller than $maxwidth x $maxheight?
*
* @return false|mixed The contents of the resized image, or false on failure
* @deprecated 2.3
*/
function get_resized_image_from_existing_file($input_name, $maxwidth, $maxheight, $square = false, $x1 = 0, $y1 = 0, $x2 = 0, $y2 = 0, $upscale = false)
{
elgg_deprecated_notice(__FUNCTION__ . ' has been deprecated. Use elgg_save_resized_image()', '2.3');
if (!is_readable($input_name)) {
return false;
}
// we will write resized image to a temporary file and then delete it
$tmp_filename = time() . pathinfo($input_name, PATHINFO_BASENAME);
$tmp = new ElggFile();
$tmp->setFilename("tmp/{$tmp_filename}");
$tmp->open('write');
$tmp->close();
$params = ['w' => $maxwidth, 'h' => $maxheight, 'x1' => $x1, 'y1' => $y1, 'x2' => $x2, 'y2' => $y2, 'square' => $square, 'upscale' => $upscale];
$destination = $tmp->getFilenameOnFilestore();
$image_bytes = false;
if (elgg_save_resized_image($input_name, $destination, $params)) {
$tmp->open('read');
$image_bytes = $tmp->grabFile();
$tmp->close();
}
$tmp->delete();
return $image_bytes;
}
/**
* Saves an image on Elgg's filestore
*
* @param string $url URL of the image
* @return \ElggFile|false
*/
public function saveImageFromUrl($url)
{
$mime = $this->parser->getContentType($url);
switch ($mime) {
case 'image/jpeg':
case 'image/jpg':
$ext = 'jpg';
break;
case 'image/gif':
$ext = 'gif';
break;
case 'image/png':
$ext = 'png';
break;
default:
return false;
}
$basename = sha1($url);
$this->parser;
$raw_bytes = $this->parser->read($url);
if (empty($raw_bytes)) {
return;
}
$site = elgg_get_site_entity();
$tmp = new \ElggFile();
$tmp->owner_guid = $site->guid;
$tmp->setFilename("scraper_cache/tmp/{$basename}.{$ext}");
$tmp->open('write');
$tmp->write($raw_bytes);
$tmp->close();
unset($raw_bytes);
$threshold = elgg_get_plugin_setting('cache_thumb_size_lower_threshold', 'hypeScraper', 100);
$imagesize = getimagesize($tmp->getFilenameOnFilestore());
if (!$imagesize || $imagesize[0] < $threshold) {
$tmp->delete();
return false;
}
$image = new \ElggFile();
$image->owner_guid = $site->guid;
$image->setFilename("scraper_cache/thumbs/{$basename}.jpg");
$image->natural_width = $imagesize[0];
$image->natural_height = $imagesize[1];
$image->open('write');
$image->close();
$size = elgg_get_plugin_setting('cache_thumb_size', 'hypeScraper', 500);
$thumb = elgg_save_resized_image($tmp->getFilenameOnFilestore(), $image->getFilenameOnFilestore(), ['w' => $size, 'h' => $size, 'upscale' => false, 'square' => false]);
unset($thumb);
$tmp->delete();
return $image;
}
