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     wfDebug( __METHOD__.": running ImageMagick: $cmd\n");
  28     wfProfileIn( 'convert' );
  29     $err = wfShellExec( $cmd, $retval );
  30     wfProfileOut( 'convert' );
  31     return($dstpath);
  32 }
  33
  34 function uploadNewFile ($old_file, $new_filename) {
  35     global $wgRequest;
  36     $form = new UploadForm($wgRequest);
  37
  38     $form->mTempPath       = $new_filename;
  39     $form->mSrcName        = $old_file->getName();
  40     $form->mFileSize = filesize($new_filename);
  41     $form->mSessionKey     = false;
  42     $form->mStashed        = false;
  43     $form->mUploadClicked  = true;
  44
  45     $form->execute();
  46 }
  47
  48 class EditImage extends SpecialPage {
  49     function EditImage() {
  50         SpecialPage::SpecialPage("EditImage", '', true, 'efRunEditImage');
  51         wfLoadExtensionMessages('EditImage');
  52     }
  53
  54     function run( $par ) {
  55         global $wgRequest, $wgOut;
  56
  57         global $wgContLang;
  58         global $wgUser;
  59         # globals for javascript
  60         global $wgJsMimeType, $wgScriptPath;
  61
  62         # try to find the image that the user entered
  63         $image = $wgRequest->getText('image');
  64         $title = Title::newFromText( $image, NS_IMAGE );
  65         $file = wfFindFile( $title );
  66
  67         if ( ! $title instanceof Title || $title->getNamespace() != NS_IMAGE ) {
  68             $wgOut->addWikiText("Sorry, can't find that image!");
  69         } else {
  70             # see if we're passed editing information
  71             if ($wgRequest->wasPosted()) {
  72                 $x1 = $wgRequest->getInt(x1);
  73                 $x2 = $wgRequest->getInt(x2);
  74                 $y1 = $wgRequest->getInt(y1);
  75                 $y2 = $wgRequest->getInt(y2);
  76
  77                 $resized_fn = resizeImage($file->getFullPath(), $x1, $y1, $x2, $y2);
  78                 uploadNewFile($file, $resized_fn);
  79
  80                 # delete the file if it still exists
  81                 if (file_exists($resized_fn)) { unlink($resized_fn); }
  82
  83             } else {
  84
  85                 if ( $file && $file->exists() ) {
  86                     # add the javascript
  87                     $wgOut->addScript( "<script type=\"{$wgJsMimeType}\" src=\"$wgScriptPath/extensions/EditImage/lib/prototype.js\"></script>\n");
  88                     $wgOut->addScript( "<script type=\"{$wgJsMimeType}\" src=\"$wgScriptPath/extensions/EditImage/lib/scriptaculous.js\"></script>\n");
  89                     $wgOut->addScript( "<script type=\"{$wgJsMimeType}\" src=\"$wgScriptPath/extensions/EditImage/cropper.js\"></script>\n");
  90                     $wgOut->addScript( "<script type=\"{$wgJsMimeType}\" src=\"$wgScriptPath/extensions/EditImage/EditImage.js\"></script>\n");
  91
  92                     $instructions = wfMsg('editimage-instructions');
  93                     $crop_text = wfMsg('cropimage');
  94                     $wgOut->addHTML("<p>{$instructions}</p>\n");
  95
  96                     # add image
  97                     $wgOut->addHTML("<div><img src=\"{$file->getUrl()}\" alt=\"source image\" id=\"sourceImage\" /></div>\n");
  98
  99                     # add bottom of the template
 100                     $encComment = htmlspecialchars($wgRequest->getText('wpUploadDescription'));
 101                     $align1 = $wgContLang->isRTL() ? 'left' : 'right';
 102                     $align2 = $wgContLang->isRTL() ? 'right' : 'left';
 103                     $cols = intval($wgUser->getOption('cols'));
 104                     if( $wgUser->getOption( 'editwidth' ) ) {
 105                         $width = " style=\"width:100%\"";
 106                     } else {
 107                         $width = '';
 108                     }
 109                     $summary = wfMsgExt( 'fileuploadsummary', 'parseinline' );
 110
 111                     $wgOut->addHTML("<form action=\"\" method=\"POST\">
 112                                      <input type=\"hidden\" name=\"image\" value=\"{$image}\" />
 113                                      <input type=\"hidden\" name=\"x1\" id=\"x1\" />
 114                                      <input type=\"hidden\" name=\"y1\" id=\"y1\" />
 115                                      <input type=\"hidden\" name=\"x2\" id=\"x2\" />
 116                                      <input type=\"hidden\" name=\"y2\" id=\"y2\" />
 117                                      <input type=\"hidden\" name=\"width\" id=\"width\" />
 118                                      <input type=\"hidden\" name=\"height\" id=\"height\" />
 119                                      <table border='0'><tr>
 120                                        <td align='$align1'><label for='wpUploadDescription'>{$summary}</label></td>
 121                                        <td align='$align2'>
 122                                          <textarea tabindex='3' name='wpUploadDescription' id='wpUploadDescription' rows='6' cols='{$cols}'{$width}>$encComment</textarea>
 123                                        </td>
 124                                      </tr><table>
 125
 126                                      <p><input type=\"submit\" value=\"{$crop_text}\" /></p>
 127                                      </form>");
 128
 129                 } else {
 130                     $wgOut->setStatusCode( 404 );
 131                 }
 132             }
 133         }
 134     }
 135 }
 136
 137 ?>