projects.mako.cc - editimage_extension/blob - EditImage_body.php

   1 <?php
   2 function efRunEditImage( $par ) {
   3     EditImage::run( $par );
   4 }
   5
   6 function resizeImage ( $srcpath, $x1, $y1, $x2, $y2) {
   7     global $wgUseImageMagick, $wgImageMagickConvertCommand;
   8     global $wgCustomConvertCommand;
   9     global $wgTmpDirectory;
  10
  11     # generate width and height
  12     $w = abs($x2 - $x1);
  13     $h = abs($y2 - $y1);
  14
  15     # create temporary destination file location
  16     $dstpath = tempnam($wgTmpDirectory, "EditImage");
  17
  18     # specify white background color, will be used for transparent images
  19     # in internet explorer/windows instead of default black.
  20     $cmd  =  wfescapeshellarg($wgImageMagickConvertCommand) .
  21         " -background white ".
  22         wfescapeshellarg($srcpath) .
  23         // coalesce is needed to scale animated gifs properly (bug 1017).
  24         ' -coalesce ' .
  25         " -crop {$w}x{$h}+$x1+$y1! " .
  26         wfescapeshellarg($dstpath) . " 2>&1";
  27     global $wgOut;
  28     $wgOut->addHTML($cmd);
  29     wfDebug( __METHOD__.": running ImageMagick: $cmd\n");
  30     wfProfileIn( 'convert' );
  31     $err = wfShellExec( $cmd, $retval );
  32     wfProfileOut( 'convert' );
  33     return($dstpath);
  34 }
  35
  36 function uploadNewFile ($old_file, $new_filename) {
  37     global $wgRequest;
  38     $form = new UploadForm($wgRequest);
  39
  40     $form->mTempPath       = $new_filename;
  41     $form->mSrcName        = $old_file->getName();
  42     $form->mFileSize = filesize($new_filename);
  43     $form->mSessionKey     = false;
  44     $form->mStashed        = false;
  45     $form->mUploadClicked  = true;
  46     //$form->mReUpload       = true;
  47
  48     // PHP won't auto-cleanup the file
  49     $form->mRemoveTempFile = file_exists( $local_file);
  50     $form->execute();
  51 }
  52
  53 class EditImage extends SpecialPage {
  54     function EditImage() {
  55         SpecialPage::SpecialPage("EditImage", '', true, 'efRunEditImage');
  56         wfLoadExtensionMessages('EditImage');
  57     }
  58
  59     function run( $par ) {
  60         global $wgRequest, $wgOut;
  61
  62         global $wgContLang;
  63         global $wgUser;
  64         # add the javascript
  65         global $wgJsMimeType, $wgScriptPath ;
  66         $wgOut->addScript( "<script type=\"{$wgJsMimeType}\" src=\"$wgScriptPath/extensions/EditImage/lib/prototype.js\"></script>\n");
  67         $wgOut->addScript( "<script type=\"{$wgJsMimeType}\" src=\"$wgScriptPath/extensions/EditImage/lib/scriptaculous.js\"></script>\n");
  68         $wgOut->addScript( "<script type=\"{$wgJsMimeType}\" src=\"$wgScriptPath/extensions/EditImage/cropper.js\"></script>\n");
  69         $wgOut->addScript( "<script type=\"{$wgJsMimeType}\" src=\"$wgScriptPath/extensions/EditImage/EditImage.js\"></script>\n");
  70
  71         # try to find the image that the user entered
  72         $image = $wgRequest->getText('image');
  73         $title = Title::newFromText( $image, NS_IMAGE );
  74         $file = wfFindFile( $title );
  75
  76         if ( ! $title instanceof Title || $title->getNamespace() != NS_IMAGE ) {
  77             $wgOut->addWikiText("Sorry, can't find that image!");
  78         } else {
  79             # see if we're passed editing information
  80             if ($wgRequest->wasPosted()) {
  81                 $x1 = $wgRequest->getInt(x1);
  82                 $x2 = $wgRequest->getInt(x2);
  83                 $y1 = $wgRequest->getInt(y1);
  84                 $y2 = $wgRequest->getInt(y2);
  85
  86                 $resized_fn = resizeImage($file->getFullPath(), $x1, $y1, $x2, $y2);
  87                 uploadNewFile($file, $resized_fn);
  88
  89             } else {
  90
  91                 if ( $file && $file->exists() ) {
  92                     $wgOut->addHTML("<p>Use your mouse to select the new area on the image below. When you are done, press crop.</p>\n");
  93
  94                     # add image
  95                     $wgOut->addHTML("<div><img src=\"{$file->getUrl()}\" alt=\"source image\" id=\"sourceImage\" /></div>\n");
  96
  97                     # add bottom of the template
  98                     $encComment = htmlspecialchars($wgRequest->getText('wpUploadDescription'));
  99                     $align1 = $wgContLang->isRTL() ? 'left' : 'right';
 100                     $align2 = $wgContLang->isRTL() ? 'right' : 'left';
 101                     $cols = intval($wgUser->getOption('cols'));
 102                     if( $wgUser->getOption( 'editwidth' ) ) {
 103                         $width = " style=\"width:100%\"";
 104                     } else {
 105                         $width = '';
 106                     }
 107                     $summary = wfMsgExt( 'fileuploadsummary', 'parseinline' );
 108
 109                     $wgOut->addHTML("<form action=\"\" method=\"POST\">
 110                                      <input type=\"hidden\" name=\"image\" value=\"{$image}\" />
 111                                      <input type=\"hidden\" name=\"x1\" id=\"x1\" />
 112                                      <input type=\"hidden\" name=\"y1\" id=\"y1\" />
 113                                      <input type=\"hidden\" name=\"x2\" id=\"x2\" />
 114                                      <input type=\"hidden\" name=\"y2\" id=\"y2\" />
 115                                      <input type=\"hidden\" name=\"width\" id=\"width\" />
 116                                      <input type=\"hidden\" name=\"height\" id=\"height\" />
 117                                      <table border='0'><tr>
 118                                        <td align='$align1'><label for='wpUploadDescription'>{$summary}</label></td>
 119                                        <td align='$align2'>
 120                                          <textarea tabindex='3' name='wpUploadDescription' id='wpUploadDescription' rows='6' cols='{$cols}'{$width}>$encComment</textarea>
 121                                        </td>
 122                                      </tr><table>
 123
 124                                      <p><input type=\"submit\" value=\"Crop Image\" /></p>
 125                                      </form>");
 126
 127                 } else {
 128                     $wgOut->setStatusCode( 404 );
 129                 }
 130             }
 131
 132         }
 133
 134     }
 135
 136 }
 137
 138 ?>