function renderImage($data)
{
$hash = $data['hash'];
if ($data['changecode']) {
$changecode = $data['changecode'];
unset($data['changecode']);
}
$pm = new PictshareModel();
$base_path = ROOT . DS . 'upload' . DS . $hash . DS;
$path = $base_path . $hash;
$type = $pm->isTypeAllowed($pm->getTypeOfFile($path));
$cached = false;
$cachename = $pm->getCacheName($data);
$cachepath = $base_path . $cachename;
if (file_exists($cachepath)) {
$path = $cachepath;
$cached = true;
} else {
if (MAX_RESIZED_IMAGES > -1 && $pm->countResizedImages($hash) > MAX_RESIZED_IMAGES) {
//if the number of max resized images is reached, just show the real one
$path = ROOT . DS . 'upload' . DS . $hash . DS . $hash;
}
}
switch ($type) {
case 'jpg':
header("Content-type: image/jpeg");
$im = imagecreatefromjpeg($path);
if (!$cached) {
if ($pm->changeCodeExists($changecode)) {
changeImage($im, $data);
imagejpeg($im, $cachepath, 95);
}
}
imagejpeg($im);
break;
case 'png':
header("Content-type: image/png");
$im = imagecreatefrompng($path);
if (!$cached) {
if ($pm->changeCodeExists($changecode)) {
changeImage($im, $data);
imagepng($im, $cachepath, 1);
}
}
imageAlphaBlending($im, true);
imageSaveAlpha($im, true);
imagepng($im);
break;
case 'gif':
if ($data['mp4'] || $data['webm']) {
$gifpath = $path;
$mp4path = $base_path . 'mp4_1.' . $hash;
//workaround.. find a better solution!
$webmpath = $base_path . 'webm_1.' . $hash;
if (!file_exists($mp4path) && !$data['preview']) {
//if mp4 does not exist, create it
$pm->gifToMP4($gifpath, $mp4path);
}
if (!file_exists($webmpath) && $data['webm'] && !$data['preview']) {
$pm->saveAsWebm($gifpath, $webmpath);
}
if ($data['raw']) {
if ($data['webm']) {
serveFile($webmpath, $hash . '.webm', 'video/webm');
} else {
serveFile($mp4path, $hash . '.mp4', 'video/mp4');
}
} else {
if ($data['preview']) {
$file = $mp4path;
if (!file_exists($cachepath)) {
$pm->saveFirstFrameOfMP4($mp4path, $cachepath);
}
header("Content-type: image/jpeg");
readfile($cachepath);
} else {
renderMP4($mp4path, $data);
}
}
} else {
if (!$cached && $data['size']) {
$pm->resizeFFMPEG($data, $cachepath, 'gif');
}
header("Content-type: image/gif");
if (file_exists($cachepath)) {
readfile($cachepath);
} else {
readfile($path);
}
}
break;
case 'mp4':
if (!$cached && !$data['preview']) {
$pm->resizeFFMPEG($data, $cachepath, 'mp4');
$path = $cachepath;
}
if (file_exists($cachepath) && filesize($cachepath) == 0) {
//if there was an error and the file is 0 bytes, use the original
$cachepath = ROOT . DS . 'upload' . DS . $hash . DS . $hash;
}
if ($data['webm']) {
$pm->saveAsWebm(ROOT . DS . 'upload' . DS . $hash . DS . $hash, $cachepath);
}
if ($data['raw']) {
serveFile($cachepath, $hash, 'video/mp4');
} else {
if ($data['preview']) {
if (!file_exists($cachepath)) {
$pm->saveFirstFrameOfMP4($path, $cachepath);
}
header("Content-type: image/jpeg");
readfile($cachepath);
} else {
renderMP4($path, $data);
}
}
break;
}
exit;
}