version 1.13, 2004/01/09 23:22:19
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version 1.15, 2004/02/11 21:51:15
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Line 36 use Apache::Constants qw(:common);
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Line 36 use Apache::Constants qw(:common);
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use Apache::loncommon(); |
use Apache::loncommon(); |
use GD(); |
use GD(); |
use GD::Polyline(); |
use GD::Polyline(); |
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use LWP::UserAgent(); |
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sub get_image { |
sub get_image { |
my ($imgsrc,$set_trans)=@_; |
my ($imgsrc,$set_trans)=@_; |
my $image; |
my $image; |
if ($imgsrc !~ /\.(png|jpg|jpeg)$/i) { |
&Apache::lonnet::logthis("imagesrc1 is $imgsrc"); |
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if ($imgsrc !~ m|^(/home/)|) { |
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&Apache::lonnet::logthis("imagesrc2 is $imgsrc"); |
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if ($imgsrc !~ /^http:/) { |
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$imgsrc="http://".$ENV{'HTTP_HOST'}.$imgsrc; |
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} |
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&Apache::lonnet::logthis("imagesrc3 is $imgsrc"); |
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&Apache::lonnet::logthis("LWP fetching image $imgsrc"); |
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my $ua=new LWP::UserAgent; |
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my $request=new HTTP::Request('GET',"$imgsrc"); |
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$request->header(Cookie => $ENV{'HTTP_COOKIE'}); |
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my $file="/tmp/imagetmp".$$; |
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my $response=$ua->request($request,$file); |
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&Apache::lonnet::logthis("contetn is ".$response->content_type); |
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&Apache::lonnet::logthis($response->is_success); |
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&Apache::lonnet::logthis($response->status_line); |
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if ($response->is_success) { |
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if ($response->content_type !~ m-/(png|jpg|jpeg)$-i) { |
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my $conv_image = Image::Magick->new; |
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my $current_figure = $conv_image->Read('filename'=>$file); |
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$conv_image->Set('magick'=>'png'); |
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my @blobs=$conv_image->ImageToBlob(); |
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undef $conv_image; |
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$image = GD::Image->new($blobs[0]); |
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} else { |
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GD::Image->trueColor(1); |
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$image = GD::Image->new($file); |
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} |
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} |
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} elsif ($imgsrc !~ /\.(png|jpg|jpeg)$/i) { |
my $conv_image = Image::Magick->new; |
my $conv_image = Image::Magick->new; |
my $current_figure = $conv_image->Read('filename'=>$imgsrc); |
my $current_figure = $conv_image->Read('filename'=>$imgsrc); |
$conv_image->Set('magick'=>'png'); |
$conv_image->Set('magick'=>'png'); |
Line 61 sub get_image {
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Line 91 sub get_image {
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
$r->content_type('image/png'); |
$r->content_type('image/png'); |
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$r->send_http_header; |
my (undef,$id) = split(/=/,$ENV{'QUERY_STRING'}); |
my (undef,$id) = split(/=/,$ENV{'QUERY_STRING'}); |
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&Apache::lonnet::logthis("BGIMG is ".$ENV{"cgi.$id.BGIMG"}); |
my $image=&get_image(&Apache::lonnet::unescape($ENV{"cgi.$id.BGIMG"}),0); |
my $image=&get_image(&Apache::lonnet::unescape($ENV{"cgi.$id.BGIMG"}),0); |
if (! defined($image)) { |
if (! defined($image)) { |
&Apache::lonnet::logthis('Unable to create image object for -'.$id.'-'. |
&Apache::lonnet::logthis('Unable to create image object for -'.$id.'-'. |
Line 131 sub handler {
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Line 163 sub handler {
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my ($x,$y)=($coord=~m/\(([0-9]+),([0-9]+)\)/); |
my ($x,$y)=($coord=~m/\(([0-9]+),([0-9]+)\)/); |
$polygon->addPt($x,$y); |
$polygon->addPt($x,$y); |
} |
} |
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$image->setThickness($width); |
if ($open) { |
if ($open) { |
$image->polydraw($polygon,$imcolor); |
$image->polydraw($polygon,$imcolor); |
} else { |
} else { |