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added support for dynamic content controllers

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Also implemented a placeholder generator to showcase it
This commit is contained in:
Chris
2023-08-26 22:39:08 +02:00
parent c90a716d45
commit 19d7cb060e
10 changed files with 346 additions and 3 deletions
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52
content-controllers/placeholder/placeholder.controller.php Normal file
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@@ -0,0 +1,52 @@
<?php
class PlaceholderController implements ContentController
{
public const ctype = 'dynamic';
//returns all extensions registered by this type of content
public function getRegisteredExtensions(){return array('placeholder');}
public function handleHash($hash,$url)
{
$path = ROOT.DS.'data'.DS.$hash.DS.$hash;
include_once(dirname(__FILE__).DS.'placeholdergenerator.php');
$pg = new PlaceholderGenerator();
foreach($url as $u)
{
if(isSize($u))
$modifiers['size'] = $u;
if(startsWith($u,'color-'))
{
$u = substr($u,6);
$colors = explode('-',$u);
foreach($colors as $c)
if(isColor($c))
$modifiers['colors'][] = (ctype_xdigit($c)?$c:color_name_to_hex($c));
if(count($modifiers['colors'])>4)
$modifiers['colors'] = array_slice($modifiers['colors'],0,4);
}
}
$img = $pg->generateImage($modifiers);
$img = $pg->gradient($img, $modifiers['colors']);
$img = $pg->addSizeText($img,$modifiers);
header ("Content-type: image/jpeg");
header ("ETag: $hash");
header('Cache-control: public, max-age=31536000');
imagejpeg($img,null,(defined('JPEG_COMPRESSION')?JPEG_COMPRESSION:90));
}
public function handleUpload($tmpfile,$hash=false)
{
return array('status'=>'err','hash'=>$hash,'reason'=>'Cannot upload to placeholder image');
}
}