Changeset 12775 for extensions/derivatives/include/derivative.inc.php

Timestamp:

Dec 21, 2011, 2:51:44 PM (12 years ago)

Author:

rvelices

Message:

derivatives - can display several sizes on picture page

File:

• extensions/derivatives/include/derivative.inc.php (modified) (8 diffs)

extensions/derivatives/include/derivative.inc.php

@@ -4 +4 @@
 {
   public $rel_path;
+  
   public $coi=null;
   private $size=null;
-  
+
   function __construct($infos)
   {
@@ -27 +28 @@
       $this->rel_path = get_themeconf('mime_icon_dir').strtolower($ext).'.png';
     }
-    
+
     $this->coi = @$infos['coi'];
     if (isset($infos['width']) && isset($infos['height']))
@@ -34 +35 @@
     }
   }
-  
+
+  function has_size()
+  {
+    return $this->size != null;
+  }
+
   function get_size()
   {
@@ -43 +49 @@
 }
 
+
+
 final class DerivativeImage
 {
+  const SAME_AS_SRC = 0x10;
+
   public $src_image;
+
+  private $requested_type;
+
+  private $flags = 0;
   private $params;
   private $rel_path, $rel_url;
-  
-  function __construct($type, $infos)
-  {
-    $this->src_image = new SrcImage($infos);
-    self::build($type, $src_image, $this->rel_path, $this->rel_url, $this->params);
-  }
-  
+
+  function __construct($type, $src_image)
+  {
+    $this->src_image = $src_image;
+    if (is_string($type))
+    {
+      $this->requested_type = $type;
+      $this->params = ImageStdParams::get_by_type($type);
+    }
+    else
+    {
+      $this->requested_type = IMG_CUSTOM;
+      $this->params = $type;
+    }
+
+    self::build($src_image, $this->params, $this->rel_path, $this->rel_url, $this->flags);
+  }
+
   static function thumb_url($infos)
   {
     $src_image = new SrcImage($infos);
-    self::build(IMG_THUMB, $src_image, $rel_path, $rel_url);
-    //die($rel_url);
+    self::build($src_image, ImageStdParams::get_by_type(IMG_THUMB), $rel_path, $rel_url);
     return get_root_url().$rel_url;
   }
@@ -66 +90 @@
   {
     $src_image = new SrcImage($infos);
-    self::build($type, $src_image, $rel_path, $rel_url);
+    $params = is_string($type) ? ImageStdParams::get_by_type($type) : $type;
+    self::build($src_image, $params, $rel_path, $rel_url);
     return get_root_url().$rel_url;
   }
-  
-  private static function build($type, $src, &$rel_path, &$rel_url, &$params = null)
-  {
-    if (is_string($type))
-    {
-      $params = ImageStdParams::get_by_type($type);
-    }
-    else
-    {
-      $type = IMG_CUSTOM;
+
+  static function get_all($infos)
+  {
+    $src_image = new SrcImage($infos);
+    $ret = array();
+    foreach (ImageStdParams::get_defined_type_map() as $type => $params)
+    {
+      $derivative = new DerivativeImage($params, $src_image);
+      $ret[$type] = $derivative;
+    }
+    foreach (ImageStdParams::get_undefined_type_map() as $type => $type2)
+    {
+      $ret[$type] = $ret[$type2];
     }
     
-    // todo check if we should not downgrade to a different type because 
-    // original file is too small ...
-    // we are using a mime type icon ...
-    // etc...
-    
+    return $ret;
+  }
+
+  private static function build($src, &$params, &$rel_path, &$rel_url, &$flags = null)
+  {
+    if ( $src->has_size() && $params->is_identity( $src->get_size() ) )
+    {
+      // todo - what if we have a watermark maybe return a smaller size?
+      $flags |= self::SAME_AS_SRC;
+      $params = null;
+      $rel_path = $rel_url = $src->rel_path;
+      return;
+    }
+
     $tokens=array();
-    $tokens[] = substr($type,0,2);
-    
+    $tokens[] = substr($params->type,0,2);
+
     if (!empty($src->coi))
     {
       $tokens[] = 'ci'.$src->coi;
     }
-    
-    if ($type==IMG_CUSTOM)
+
+    if ($params->type==IMG_CUSTOM)
     {
       $params->add_url_tokens($tokens);
     }
-    
+
     $loc = $src->rel_path;
     if (substr_compare($loc, '../', 0, 3)==0)
@@ -107 +144 @@
 
     $rel_path = PWG_DERIVATIVE_DIR.$loc;
-    
+
     global $conf;
     $url_style=$conf['derivative_url_style'];
@@ -122 +159 @@
       }
     }
-    
+
     if ($url_style == 2)
     {
@@ -136 +173 @@
   }
 
+  function get_url()
+  {
+    return get_root_url().$this->rel_url;
+  }
+
+  function same_as_source()
+  {
+    return $this->flags & self::SAME_AS_SRC;
+  }
+
+
   /* returns the size of the derivative image*/
   function get_size()
   {
+    if ($this->flags & self::SAME_AS_SRC)
+    {
+      return $this->src_image->get_size();
+    }
     return $this->params->compute_final_size($this->src_image->get_size(), $this->src_image->coi);
   }
+
+  function get_size_htm()
+  {
+    $size = $this->get_size();
+    if ($size)
+    {
+      return 'width="'.$size[0].'" height="'.$size[1].'"';
+    }
+  }
+
+  function get_size_hr()
+  {
+    $size = $this->get_size();
+    if ($size)
+    {
+      return $size[0].' x '.$size[1];
+    }
+  }
+
 }