--- loncom/homework/randomlylabel.pm 2004/02/23 22:52:30 1.16 +++ loncom/homework/randomlylabel.pm 2004/02/23 23:24:50 1.17 @@ -2,7 +2,7 @@ # The LearningOnline Network with CAPA # randomlabel.png: composite together text and images into 1 image # -# $Id: randomlylabel.pm,v 1.16 2004/02/23 22:52:30 albertel Exp $ +# $Id: randomlylabel.pm,v 1.17 2004/02/23 23:24:50 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -34,7 +34,7 @@ use strict; use Image::Magick; use Apache::Constants qw(:common); use Apache::loncommon(); -use GD(); +use GD; use GD::Polyline(); use LWP::UserAgent(); @@ -54,7 +54,7 @@ sub get_image { $request->header(Cookie => $ENV{'HTTP_COOKIE'}); my $file="/tmp/imagetmp".$$; my $response=$ua->request($request,$file); - &Apache::lonnet::logthis("contetn is ".$response->content_type); + &Apache::lonnet::logthis("content is ".$response->content_type); &Apache::lonnet::logthis($response->is_success); &Apache::lonnet::logthis($response->status_line); if ($response->is_success) { @@ -73,13 +73,19 @@ sub get_image { } elsif ($imgsrc !~ /\.(png|jpg|jpeg)$/i) { my $conv_image = Image::Magick->new; my $current_figure = $conv_image->Read('filename'=>$imgsrc); + &Apache::lonnet::logthis("Read said $current_figure"); $conv_image->Set('magick'=>'png'); my @blobs=$conv_image->ImageToBlob(); undef $conv_image; $image = GD::Image->new($blobs[0]); } else { - GD::Image->trueColor(1); + $image = GD::Image->trueColor(1); $image = GD::Image->new($imgsrc); + if (!defined($image)) { + &Apache::lonnet::logthis("Read said bluh"); + } else { + &Apache::lonnet::logthis("looks good"); + } } if ($set_trans && defined($image)) { my $white=$image->colorExact(255,255,255); @@ -105,12 +111,16 @@ sub handler { $r->content_type('image/png'); $r->send_http_header; my (undef,$id) = split(/=/,$ENV{'QUERY_STRING'}); - &Apache::lonnet::logthis("BGIMG is ".$ENV{"cgi.$id.BGIMG"}); - my $image=&get_image(&Apache::lonnet::unescape($ENV{"cgi.$id.BGIMG"}),0); - if (! defined($image)) { - &Apache::lonnet::logthis('Unable to create image object for -'.$id.'-'. - $ENV{"cgi.$id.BGIMG"}); - return OK; + my $image; + if (defined($ENV{"cgi.$id.BGIMG"})) { + my $bgimg=&Apache::lonnet::unescape($ENV{"cgi.$id.BGIMG"}); + &Apache::lonnet::logthis("BGIMG is ".$bgimg); + $image=&get_image($bgimg,0); + if (! defined($image)) { + &Apache::lonnet::logthis('Unable to create image object for -'. + $id.'-'.$bgimg); + return OK; + } } elsif (defined($ENV{"cgi.$id.SIZE"})) { my ($width,$height)=split(':',$ENV{"cgi.$id.SIZE"}); $image = new GD::Image($width,$height,1); @@ -204,9 +214,7 @@ sub handler { $text=&Apache::lonnet::unescape($text); my $imcolor=&get_color_from_hexstring($image,$color); my $height=GD::Font->Giant->height; - for(my $i=0;$i<$ENV{"cgi.$id.COUNT"};$i++) { - $image->string(GD::gdGiantFont,$x,$y-$height,$text,$black); - } + $image->string(GD::gdGiantFont,$x,$y-$height,$text,$imcolor); } } $image->setThickness(1);