version 1.26, 2005/04/07 06:56:22
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version 1.29, 2007/09/25 22:56:48
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#!/usr/bin/perl |
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# randomlabel.png: composite together text and images into 1 image |
# randomlabel.png: composite together text and images into 1 image |
# |
# |
Line 206 use GD;
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Line 205 use GD;
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use GD::Polyline(); |
use GD::Polyline(); |
use LWP::UserAgent(); |
use LWP::UserAgent(); |
use Apache::lonnet; |
use Apache::lonnet; |
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use lib '/home/httpd/lib/perl/'; |
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use LONCAPA; |
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sub get_image { |
sub get_image { |
my ($imgsrc,$set_trans)=@_; |
my ($imgsrc,$set_trans)=@_; |
Line 269 sub handler {
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Line 271 sub handler {
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my $r = shift; |
my $r = shift; |
$r->content_type('image/png'); |
$r->content_type('image/png'); |
$r->send_http_header; |
$r->send_http_header; |
my (undef,$id) = split(/=/,$ENV{'QUERY_STRING'}); |
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my $image; |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); |
my $prefix="cgi.$id."; |
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my $prefix; |
if ($ENV{'QUERY_STRING'}=~/OBJCOUNT\=/) { |
if ($ENV{'QUERY_STRING'}=~/OBJCOUNT\=/) { |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); |
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$prefix='form.'; |
$prefix='form.'; |
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} else { |
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$prefix="cgi.$env{'form.token'}."; |
} |
} |
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my $image; |
if (defined($env{$prefix."BGIMG"})) { |
if (defined($env{$prefix."BGIMG"})) { |
my $bgimg=&Apache::lonnet::unescape($env{$prefix."BGIMG"}); |
my $bgimg=&unescape($env{$prefix."BGIMG"}); |
#&Apache::lonnet::logthis("BGIMG is ".$bgimg); |
#&Apache::lonnet::logthis("BGIMG is ".$bgimg); |
$image=&get_image($bgimg,0); |
$image=&get_image($bgimg,0); |
if (! defined($image)) { |
if (! defined($image)) { |
&Apache::lonnet::logthis('Unable to create image object for -'. |
&Apache::lonnet::logthis('Unable to create image object for -'. |
$id.'-'.$bgimg); |
$env{'form.token'}.'-'.$bgimg); |
return OK; |
return OK; |
} |
} |
} elsif (defined($env{$prefix."SIZE"})) { |
} elsif (defined($env{$prefix."SIZE"})) { |
Line 299 sub handler {
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Line 305 sub handler {
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$image->transparent($bgcolor); |
$image->transparent($bgcolor); |
} |
} |
} else { |
} else { |
&Apache::lonnet::logthis('Unable to create image object, no info'); |
&Apache::lonnet::logthis('Unable to create image object, no info '.$prefix); |
return OK; |
return OK; |
} |
} |
#binmode(STDOUT); |
#binmode(STDOUT); |
Line 372 sub handler {
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Line 378 sub handler {
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} elsif ($type eq 'IMAGE') { |
} elsif ($type eq 'IMAGE') { |
my ($x,$y,$file,$transparent,$srcX,$srcY,$destW,$destH,$srcW, |
my ($x,$y,$file,$transparent,$srcX,$srcY,$destW,$destH,$srcW, |
$srcH)=split(':',$env{$prefix."OBJ$i"}); |
$srcH)=split(':',$env{$prefix."OBJ$i"}); |
$file=&Apache::lonnet::unescape($file); |
$file=&unescape($file); |
if (!defined($transparent)) { $transparent=1; } |
if (!defined($transparent)) { $transparent=1; } |
my $subimage=&get_image($file,$transparent); |
my $subimage=&get_image($file,$transparent); |
if (!defined($subimage)) { |
if (!defined($subimage)) { |
Line 389 sub handler {
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Line 395 sub handler {
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} elsif ($type eq 'LABEL') { |
} elsif ($type eq 'LABEL') { |
my ($x,$y,$text,$font,$color,$direction)= |
my ($x,$y,$text,$font,$color,$direction)= |
split(':',$env{$prefix."OBJ$i"}); |
split(':',$env{$prefix."OBJ$i"}); |
$text=&Apache::lonnet::unescape($text); |
$text=&unescape($text); |
my $imcolor=&get_color_from_hexstring($image,$color); |
my $imcolor=&get_color_from_hexstring($image,$color); |
my $type='normal'; |
my $type='normal'; |
my ($height,$fontref); |
my ($height,$fontref); |