generic file handler support :)

git-svn-id: file:///home/shish/svn/shimmie2/trunk@623 7f39781d-f577-437e-ae19-be835c7a54ca
This commit is contained in:
shish
2007-12-06 02:26:34 +00:00
parent 0d126084ce
commit a5a6f4781c
12 changed files with 259 additions and 315 deletions

View File

@ -33,7 +33,7 @@ class ImageIO extends Extension {
}
}
if(is_a($event, 'UploadingImageEvent')) {
if(is_a($event, 'ImageAdditionEvent')) {
$error = $this->add_image($event->image);
if(!empty($error)) $event->veto($error);
}
@ -87,80 +87,6 @@ class ImageIO extends Extension {
return $data;
}
private function make_thumb($inname, $outname) {
global $config;
$ok = false;
switch($config->get_string("thumb_engine")) {
default:
case 'gd':
$ok = $this->make_thumb_gd($inname, $outname);
break;
case 'convert':
$ok = $this->make_thumb_convert($inname, $outname);
break;
}
return $ok;
}
// IM thumber {{{
private function make_thumb_convert($inname, $outname) {
global $config;
$w = $config->get_int("thumb_width");
$h = $config->get_int("thumb_height");
$q = $config->get_int("thumb_quality");
$mem = $config->get_int("thumb_max_memory") / 1024 / 1024; // IM takes memory in MB
// "-limit memory $mem" broken?
exec("convert {$inname}[0] -geometry {$w}x{$h} -quality {$q} jpg:$outname");
return true;
}
// }}}
// GD thumber {{{
private function make_thumb_gd($inname, $outname) {
global $config;
$thumb = $this->get_thumb($inname);
return imagejpeg($thumb, $outname, $config->get_int('thumb_quality'));
}
private function get_thumb($tmpname) {
global $config;
$info = getimagesize($tmpname);
$width = $info[0];
$height = $info[1];
$memory_use = (filesize($tmpname)*2) + ($width*$height*4) + (4*1024*1024);
$memory_limit = get_memory_limit();
if($memory_use > $memory_limit) {
$w = $config->get_int('thumb_width');
$h = $config->get_int('thumb_height');
$thumb = imagecreatetruecolor($w, min($h, 64));
$white = imagecolorallocate($thumb, 255, 255, 255);
$black = imagecolorallocate($thumb, 0, 0, 0);
imagefill($thumb, 0, 0, $white);
imagestring($thumb, 5, 10, 24, "Image Too Large :(", $black);
return $thumb;
}
else {
$image = imagecreatefromstring($this->read_file($tmpname));
$tsize = get_thumbnail_size($width, $height);
$thumb = imagecreatetruecolor($tsize[0], $tsize[1]);
imagecopyresampled(
$thumb, $image, 0, 0, 0, 0,
$tsize[0], $tsize[1], $width, $height
);
return $thumb;
}
}
// }}}
private function add_image($image) {
global $page;
global $user;
@ -200,28 +126,6 @@ class ImageIO extends Extension {
$image->hash, $image->ext, $image->width, $image->height, $image->source));
$image->id = $database->db->Insert_ID();
/*
* If no errors: move the file from the temporary upload
* area to the main file store, create a thumbnail, and
* insert the image info into the database
*/
if(!copy($image->temp_filename, $image->get_image_filename())) {
send_event(new ImageDeletionEvent($image->id));
$error = "The image couldn't be moved from the temporary area to the
main data store -- is the web server allowed to write to '".
($image->get_image_filename())."'?";
return $error;
}
chmod($image->get_image_filename(), 0644);
if(!$this->make_thumb($image->get_image_filename(), $image->get_thumb_filename())) {
send_event(new ImageDeletionEvent($image->id));
$error="The image thumbnail couldn't be generated -- is the web
server allowed to write to '".($image->get_thumb_filename())."'?";
return $error;
}
chmod($image->get_thumb_filename(), 0644);
send_event(new TagSetEvent($image->id, $image->get_tag_array()));
return null;