[Sommaire] [Imprimer]

   1  <?php
   2  //
   3  // Definition of eZImageLayer class
   4  //
   5  // Created on: <03-Oct-2002 15:05:09 amos>
   6  //
   7  // SOFTWARE NAME: eZ publish
   8  // SOFTWARE RELEASE: 3.9.0
   9  // BUILD VERSION: 17785
  10  // COPYRIGHT NOTICE: Copyright (C) 1999-2006 eZ systems AS
  11  // SOFTWARE LICENSE: GNU General Public License v2.0
  12  // NOTICE: >
  13  //   This program is free software; you can redistribute it and/or
  14  //   modify it under the terms of version 2.0  of the GNU General
  15  //   Public License as published by the Free Software Foundation.
  16  //
  17  //   This program is distributed in the hope that it will be useful,
  18  //   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  //   GNU General Public License for more details.
  21  //
  22  //   You should have received a copy of version 2.0 of the GNU General
  23  //   Public License along with this program; if not, write to the Free
  24  //   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  25  //   MA 02110-1301, USA.
  26  //
  27  //
  28  
  29  /*! \file ezimagelayer.php
  30  */
  31  
  32  /*!
  33    \class eZImageLayer ezimagelayer.php
  34    \ingroup eZImageObject
  35    \brief Defines a layer in a image object
  36  
  37  */
  38  
  39  include_once ( 'lib/ezimage/classes/ezimageinterface.php' );
  40  
  41  class eZImageLayer extends eZImageInterface
  42  {
  43      /*!
  44       Constructor
  45      */
  46      function eZImageLayer( $imageObjectRef = null, $imageObject = null,
  47                             $width = false, $height = false, $font = false )
  48      {
  49          $this->eZImageInterface( $imageObjectRef, $imageObject, $width, $height );
  50          $this->setFont( $font );
  51          $this->TemplateURI = 'design:image/layer.tpl';
  52      }
  53  
  54      /*!
  55       A definition which tells the template engine which template to use
  56       for displaying the image.
  57      */
  58      function templateData()
  59      {
  60          return array( 'type' => 'template',
  61                        'template_variable_name' => 'layer',
  62                        'uri' => $this->TemplateURI );
  63      }
  64  
  65      /*!
  66       Sets the URI of the template to use for displaying it using the template engine to \a $uri.
  67      */
  68      function setTemplateURI( $uri )
  69      {
  70          $this->TemplateURI = $uri;
  71      }
  72  
  73      /*!
  74       \virtual
  75       Tries to merge the current layer with the layer \a $lastLayerData
  76       onto the image object \a $image.
  77       Different kinds of layer classes will merge layers differently.
  78      */
  79      function mergeLayer( &$image, &$layerData, &$lastLayerData )
  80      {
  81          $position = $image->calculatePosition( $layerData['parameters'], $this->width(), $this->height() );
  82          $x = $position['x'];
  83          $y = $position['y'];
  84          $imageObject = $this->imageObject();
  85          if ( $lastLayerData === null )
  86          {
  87              $destinationImageObject = $image->imageObjectInternal( false );
  88              if ( $destinationImageObject === null )
  89              {
  90                  $image->clone( $this );
  91              }
  92              else
  93              {
  94                  $image->mergeImage( $destinationImageObject, $imageObject,
  95                                      $x, $y,
  96                                      $this->width(), $this->height(), 0, 0,
  97                                      $image->getTransparencyPercent( $layerData['parameters'] ) );
  98              }
  99          }
 100          else
 101          {
 102              $destinationImageObject = $image->imageObjectInternal();
 103              $image->mergeImage( $destinationImageObject, $imageObject,
 104                                  $x, $y,
 105                                  $this->width(), $this->height(), 0, 0,
 106                                  $image->getTransparencyPercent( $layerData['parameters'] ) );
 107          }
 108      }
 109  
 110      /*!
 111       Creates a new file layer for the file \a $fileName in path \a $filePath.
 112      */
 113      function &createForFile( $fileName, $filePath, $fileType = false )
 114      {
 115          $layer = new eZImageLayer();
 116          $layer->setStoredFile( $fileName, $filePath, $fileType );
 117          $layer->process();
 118          return $layer;
 119      }
 120  
 121      /// \privatesection
 122      var $TemplateURI;
 123  }
 124  
 125  ?>