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scale external images

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friendica 2012-02-25 14:22:51 -08:00
parent 579738aff7
commit 2c7da5d0de
4 changed files with 49 additions and 37 deletions
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40
include/network.php
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@ -776,3 +776,43 @@ function add_fcontact($arr,$update = false) {
return $r;
}
function scale_external_images($s,$include_link = true) {
$a = get_app();
$matches = null;
$c = preg_match_all('/\[img\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
if($c) {
require_once('include/Photo.php');
foreach($matches as $mtch) {
logger('scale_external_image: ' . $mtch[1]);
$hostname = str_replace('www.','',substr($a->get_baseurl(),strpos($a->get_baseurl(),'://')+3));
if(stristr($mtch[1],$hostname))
continue;
$i = fetch_url($mtch[1]);
if($i) {
$ph = new Photo($i);
if($ph->is_valid()) {
$orig_width = $ph->getWidth();
$orig_height = $ph->getHeight();
if($orig_width > 640 || $orig_height > 640) {
$ph->scaleImage(640);
$new_width = $ph->getWidth();
$new_height = $ph->getHeight();
logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
$s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $mtch[1] . '[/img]'
. "\n" . (($include_link)
? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n"
: ''),$s);
logger('scale_external_images: new string: ' . $s, LOGGER_DEBUG);
}
}
}
}
}
return $s;
}