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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.1050 and 1.1051

version 1.1050, 2010/02/21 02:38:31 version 1.1051, 2010/02/21 06:21:57
Line 99  use LONCAPA::Configuration; Line 99  use LONCAPA::Configuration;
 my $readit;  my $readit;
 my $max_connection_retries = 10;     # Or some such value.  my $max_connection_retries = 10;     # Or some such value.
   
 my $upload_photo_form = 0; #Variable to check  when user upload a photo 0=not 1=true  
   
 require Exporter;  require Exporter;
   
 our @ISA = qw (Exporter);  our @ISA = qw (Exporter);
Line 2156  sub clean_filename { Line 2154  sub clean_filename {
     $fname=~s/\.(\d+)(?=\.)/_$1/g;      $fname=~s/\.(\d+)(?=\.)/_$1/g;
     return $fname;      return $fname;
 }  }
 #This Function check if a Image max 400px width and height 500px. If not then scale the image down  # This Function checks if an Image's dimensions exceed either $resizewidth (width) 
   # or $resizeheight (height) - both pixels. If so, the image is scaled to produce an 
   # image with the same aspect ratio as the original, but with dimensions which do 
   # not exceed $resizewidth and $resizeheight.
    
 sub resizeImage {  sub resizeImage {
  my($img_url) = @_;      my ($img_path,$resizewidth,$resizeheight) = @_;
  my $ima = Image::Magick->new;                             my $ima = Image::Magick->new;
         $ima->Read($img_url);      my $resized;
  if($ima->Get('width') > 400)      if (-e $img_path) {
  {          $ima->Read($img_path);
  my $factor = $ima->Get('width')/400;          if (($resizewidth =~ /^\d+$/) && ($resizeheight > 0)) {
               $ima->Scale( width=>400, height=>$ima->Get('height')/$factor );              my $width = $ima->Get('width');
  }              my $height = $ima->Get('height');
  if($ima->Get('height') > 500)              if ($width > $resizewidth) {
         {          my $factor = $width/$resizewidth;
         my $factor = $ima->Get('height')/500;                  my $newheight = $height/$factor;
                 $ima->Scale( width=>$ima->Get('width')/$factor, height=>500);                  $ima->Scale(width=>$resizewidth,height=>$newheight);
         }                   $resized = 1;
               }
  $ima->Write($img_url);          }
 }          if (($resizeheight =~ /^\d+$/) && ($resizeheight > 0)) {
               my $width = $ima->Get('width');
 #Wrapper function for userphotoupload              my $height = $ima->Get('height');
 sub userphotoupload              if ($height > $resizeheight) {
 {                  my $factor = $height/$resizeheight;
  my($formname,$subdir) = @_;                  my $newwidth = $width/$factor;
  $upload_photo_form = 1;                  $ima->Scale(width=>$newwidth,height=>$resizeheight);
  return &userfileupload($formname,undef,$subdir);                  $resized = 1;
               }
           }
           if ($resized) {
               $ima->Write($img_path);
           }
       }
       return;
 }  }
   
 # --------------- Take an uploaded file and put it into the userfiles directory  # --------------- Take an uploaded file and put it into the userfiles directory
Line 2196  sub userphotoupload Line 2205  sub userphotoupload
 #        $dsetudom - domain for permanaent storage of uploaded file  #        $dsetudom - domain for permanaent storage of uploaded file
 #        $thumbwidth - width (pixels) of thumbnail to make for uploaded image   #        $thumbwidth - width (pixels) of thumbnail to make for uploaded image 
 #        $thumbheight - height (pixels) of thumbnail to make for uploaded image  #        $thumbheight - height (pixels) of thumbnail to make for uploaded image
   #        $resizewidth - width (pixels) to which to resize uploaded image
   #        $resizeheight - height (pixels) to which to resize uploaded image
 #   # 
 # output: url of file in userspace, or error: <message>   # output: url of file in userspace, or error: <message> 
 #             or /adm/notfound.html if failure to upload occurse  #             or /adm/notfound.html if failure to upload occurse
   
   
 sub userfileupload {  sub userfileupload {
     my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,      my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,
         $destudom,$thumbwidth,$thumbheight)=@_;          $destudom,$thumbwidth,$thumbheight,$resizewidth,$resizeheight)=@_;
     if (!defined($subdir)) { $subdir='unknown'; }      if (!defined($subdir)) { $subdir='unknown'; }
     my $fname=$env{'form.'.$formname.'.filename'};      my $fname=$env{'form.'.$formname.'.filename'};
     $fname=&clean_filename($fname);      $fname=&clean_filename($fname);
Line 2253  sub userfileupload { Line 2263  sub userfileupload {
         if ($env{'form.folder'} =~ m/^(default|supplemental)/) {          if ($env{'form.folder'} =~ m/^(default|supplemental)/) {
             return &finishuserfileupload($docuname,$docudom,              return &finishuserfileupload($docuname,$docudom,
  $formname,$fname,$parser,$allfiles,   $formname,$fname,$parser,$allfiles,
  $codebase,$thumbwidth,$thumbheight);   $codebase,$thumbwidth,$thumbheight,
                                            $resizewidth,$resizeheight);
         } else {          } else {
             $fname=$env{'form.folder'}.'/'.$fname;              $fname=$env{'form.folder'}.'/'.$fname;
             return &process_coursefile('uploaddoc',$docuname,$docudom,              return &process_coursefile('uploaddoc',$docuname,$docudom,
Line 2265  sub userfileupload { Line 2276  sub userfileupload {
         my $docudom=$destudom;          my $docudom=$destudom;
  return &finishuserfileupload($docuname,$docudom,$formname,$fname,   return &finishuserfileupload($docuname,$docudom,$formname,$fname,
      $parser,$allfiles,$codebase,       $parser,$allfiles,$codebase,
                                      $thumbwidth,$thumbheight);                                       $thumbwidth,$thumbheight,
                                        $resizewidth,$resizeheight);
                   
     } else {      } else {
         my $docuname=$env{'user.name'};          my $docuname=$env{'user.name'};
Line 2276  sub userfileupload { Line 2288  sub userfileupload {
         }          }
  return &finishuserfileupload($docuname,$docudom,$formname,$fname,   return &finishuserfileupload($docuname,$docudom,$formname,$fname,
      $parser,$allfiles,$codebase,       $parser,$allfiles,$codebase,
                                      $thumbwidth,$thumbheight);                                       $thumbwidth,$thumbheight,
                                        $resizewidth,$resizeheight);
     }      }
 }  }
   
 sub finishuserfileupload {  sub finishuserfileupload {
     my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase,      my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase,
         $thumbwidth,$thumbheight) = @_;          $thumbwidth,$thumbheight,$resizewidth,$resizeheight) = @_;
     my $path=$docudom.'/'.$docuname.'/';      my $path=$docudom.'/'.$docuname.'/';
     my $filepath=$perlvar{'lonDocRoot'};      my $filepath=$perlvar{'lonDocRoot'};
       
Line 2314  sub finishuserfileupload { Line 2327  sub finishuserfileupload {
     return '/adm/notfound.html';      return '/adm/notfound.html';
  }   }
  close(FH);   close(FH);
  if($upload_photo_form==1)          if ($resizewidth && $resizeheight) {
  {              my $mm = new File::MMagic;
  resizeImage($filepath.'/'.$file);              my $mime_type = $mm->checktype_filename($filepath.'/'.$file);
  $upload_photo_form = 0;              if ($mime_type =~ m{^image/}) {
           &resizeImage($filepath.'/'.$file,$resizewidth,$resizeheight);
               }  
  }   }
     }      }
     if ($parser eq 'parse') {      if ($parser eq 'parse') {
Removed from v.1.1050  
changed lines
  Added in v.1.1051

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