www/ecrire/action/tester.php

   1 <?php
   2
   3 /***************************************************************************\
   4  *  SPIP, Systeme de publication pour l'internet                           *
   5  *                                                                         *
   6  *  Copyright (c) 2001-2011                                                *
   7  *  Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James  *
   8  *                                                                         *
   9  *  Ce programme est un logiciel libre distribue sous licence GNU/GPL.     *
  10  *  Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne.   *
  11 \***************************************************************************/
  12
  13 if (!defined('_ECRIRE_INC_VERSION')) return;
  14
  15 // Tester nos capacites
  16 // http://doc.spip.org/@action_tester_dist
  17 function action_tester_dist() {
  18         $arg = _request('arg');
  19
  20         // verifier les formats acceptes par GD
  21         if ($arg == "gd1") {
  22                 // Si GD est installe et php >= 4.0.2
  23                 if (function_exists('imagetypes')) {
  24
  25                         if (imagetypes() & IMG_GIF) {
  26                                 $gd_formats[] = "gif";
  27                         } else {
  28                                 # Attention GD sait lire le gif mais pas forcement l'ecrire
  29                                 if (function_exists('ImageCreateFromGIF')) {
  30                                         $srcImage = @ImageCreateFromGIF(_ROOT_IMG_PACK."test.gif");
  31                                         if ($srcImage) {
  32                                                 $gd_formats_read_gif = ",gif";
  33                                                 ImageDestroy( $srcImage );
  34                                         }
  35                                 }
  36                         }
  37
  38                         if (imagetypes() & IMG_JPG)
  39                                 $gd_formats[] = "jpg";
  40                         if (imagetypes() & IMG_PNG)
  41                                 $gd_formats[] = "png";
  42                 }
  43
  44                 else {  # ancienne methode de detection des formats, qui en plus
  45                                 # est bugguee car elle teste les formats en lecture
  46                                 # alors que la valeur deduite sert a identifier
  47                                 # les formats disponibles en ecriture... (cf. inc_logos)
  48
  49                         $gd_formats = Array();
  50                         if (function_exists('ImageCreateFromJPEG')) {
  51                                 $srcImage = @ImageCreateFromJPEG(_ROOT_IMG_PACK."test.jpg");
  52                                 if ($srcImage) {
  53                                         $gd_formats[] = "jpg";
  54                                         ImageDestroy( $srcImage );
  55                                 }
  56                         }
  57                         if (function_exists('ImageCreateFromGIF')) {
  58                                 $srcImage = @ImageCreateFromGIF(_ROOT_IMG_PACK."test.gif");
  59                                 if ($srcImage) {
  60                                         $gd_formats[] = "gif";
  61                                         ImageDestroy( $srcImage );
  62                                 }
  63                         }
  64                         if (function_exists('ImageCreateFromPNG')) {
  65                                 $srcImage = @ImageCreateFromPNG(_ROOT_IMG_PACK."test.png");
  66                                 if ($srcImage) {
  67                                         $gd_formats[] = "png";
  68                                         ImageDestroy( $srcImage );
  69                                 }
  70                         }
  71                 }
  72
  73                 if ($gd_formats) $gd_formats = join(",", $gd_formats);
  74                 ecrire_meta("gd_formats_read", $gd_formats.$gd_formats_read_gif);
  75                 ecrire_meta("gd_formats", $gd_formats);
  76         }
  77
  78         // verifier les formats netpbm
  79         else if ($arg == "netpbm") {
  80                 define('_PNMSCALE_COMMAND', 'pnmscale'); // chemin a changer dans mes_options
  81                 if (_PNMSCALE_COMMAND == '') return;
  82                 $netpbm_formats= Array();
  83
  84                 $jpegtopnm_command = str_replace("pnmscale",
  85                         "jpegtopnm", _PNMSCALE_COMMAND);
  86                 $pnmtojpeg_command = str_replace("pnmscale",
  87                         "pnmtojpeg", _PNMSCALE_COMMAND);
  88
  89                 $vignette = _ROOT_IMG_PACK."test.jpg";
  90                 $dest = _DIR_VAR . "test-jpg.jpg";
  91                 $commande = "$jpegtopnm_command $vignette | "._PNMSCALE_COMMAND." -width 10 | $pnmtojpeg_command > $dest";
  92                 spip_log($commande);
  93                 exec($commande);
  94                 if ($taille = @getimagesize($dest)) {
  95                         if ($taille[1] == 10) $netpbm_formats[] = "jpg";
  96                 }
  97                 $giftopnm_command = str_replace("pnmscale", "giftopnm", _PNMSCALE_COMMAND);
  98                 $pnmtojpeg_command = str_replace("pnmscale", "pnmtojpeg", _PNMSCALE_COMMAND);
  99                 $vignette = _ROOT_IMG_PACK."test.gif";
 100                 $dest = _DIR_VAR . "test-gif.jpg";
 101                 $commande = "$giftopnm_command $vignette | "._PNMSCALE_COMMAND." -width 10 | $pnmtojpeg_command > $dest";
 102                 spip_log($commande);
 103                 exec($commande);
 104                 if ($taille = @getimagesize($dest)) {
 105                         if ($taille[1] == 10) $netpbm_formats[] = "gif";
 106                 }
 107
 108                 $pngtopnm_command = str_replace("pnmscale", "pngtopnm", _PNMSCALE_COMMAND);
 109                 $vignette = _ROOT_IMG_PACK."test.png";
 110                 $dest = _DIR_VAR . "test-gif.jpg";
 111                 $commande = "$pngtopnm_command $vignette | "._PNMSCALE_COMMAND." -width 10 | $pnmtojpeg_command > $dest";
 112                 spip_log($commande);
 113                 exec($commande);
 114                 if ($taille = @getimagesize($dest)) {
 115                         if ($taille[1] == 10) $netpbm_formats[] = "png";
 116                 }
 117
 118
 119                 if ($netpbm_formats)
 120                         $netpbm_formats = join(",", $netpbm_formats);
 121                 else
 122                         $netpbm_formats = '';
 123                 ecrire_meta("netpbm_formats", $netpbm_formats);
 124         }
 125
 126         // et maintenant envoyer la vignette de tests
 127         if (in_array($arg,array("gd1","gd2","imagick","convert","netpbm"))) {
 128                 include_spip('inc/filtres');
 129                 include_spip('inc/filtres_images_mini');
 130                 $taille_preview = 150;
 131                 $image = _image_valeurs_trans(_DIR_IMG_PACK.'test_image.jpg',"reduire-$taille_preview-$taille_preview",'jpg');
 132
 133                 $image['fichier_dest']=_DIR_VAR."test_$arg";
 134                 if ($preview = _image_creer_vignette($image, $taille_preview, $taille_preview, $arg, true)
 135                 AND ($preview['width'] * $preview['height'] > 0))
 136                         redirige_par_entete($preview['fichier']);
 137         }
 138
 139         # image echec
 140         redirige_par_entete(chemin_image('puce-rouge-anim.gif'));
 141 }
 142 ?>