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implemented image resizing and conversion to webp

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Chris
2018-12-23 15:35:47 +01:00
parent b6612cd838
commit aa75c56364
5 changed files with 216 additions and 1 deletions
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95
content-controllers/image/image.controller.php
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@@ -69,8 +69,75 @@ class ImageController implements ContentController
public function handleHash($hash,$url)
{
$path = ROOT.DS.'data'.DS.$hash.DS.$hash;
$type = getExtensionOfFilename($hash);
//get all our sub files where all the good functions lie
include_once(dirname(__FILE__).DS.'resize.php');
include_once(dirname(__FILE__).DS.'filters.php');
include_once(dirname(__FILE__).DS.'conversion.php');
//don't do this if it's a gif because PHP can't handle animated gifs
if($type!='gif')
{
foreach($url as $u)
{
if(isSize($u))
$modifiers['size'] = $u;
else if(isRotation($u))
$modifiers['rotation'] = $u;
}
if(in_array('webp',$url) && $type!='webp')
$modifiers['webp'] = true;
if(in_array('forcesize',$url) && $modifiers['size'])
$modifiers['forcesize'] = true;
}
else //gif
{
if(in_array('mp4',$url))
$modifiers['mp4']=true;
}
if($modifiers)
{
//why in gods name would you use http build query here???
//well we want a unique filename for every modied image
//so if we take all parameters in key=>value form and hash it
//we get one nice little hash for every eventuality
$modhash = md5(http_build_query($modifiers,'',','));
$newpath = ROOT.DS.'data'.DS.$hash.DS.$modhash.'_'.$hash;
$im = $this->getObjOfImage($path);
if(!file_exists($newpath))
{
foreach($modifiers as $mod => $val)
{
switch($mod)
{
case 'size':
($modifiers['forcesize']?forceResize($im,$val):resize($im,$val));
break;
case 'rotation':
rotate($im,$val);
break;
case 'webp':
$type = 'webp';
break;
case 'mp4':
break;
}
}
$this->saveObjOfImage($im,$newpath,$type);
}
$path = $newpath;
}
switch($type)
{
case 'jpeg':
@@ -95,4 +162,30 @@ class ImageController implements ContentController
break;
}
}
function getObjOfImage($path)
{
return imagecreatefromstring(file_get_contents($path));
}
function saveObjOfImage($im,$path,$type)
{
switch($type)
{
case 'jpeg':
case 'jpg':
imagejpeg($im,$path,(defined('JPEG_COMPRESSION')?JPEG_COMPRESSION:90));
break;
case 'png':
imagepng($im,$path,(defined('PNG_COMPRESSION')?PNG_COMPRESSION:6));
break;
case 'webp':
imagewebp($im,$path,(defined('WEBP_COMPRESSION')?WEBP_COMPRESSION:80));
break;
}
return $im;
}
}