version 1.35, 2024/04/05 02:43:25
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version 1.37.2.1, 2024/07/04 17:55:04
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Line 94 The argumants for the possible object ty
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Line 94 The argumants for the possible object ty
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x1:y1:x2:y2:color:thickness |
x1:y1:x2:y2:color:thickness |
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=item RECTANGLE |
=item RECTANGLE |
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x1:y1:x2:y2:color:thickness:filled |
x1:y1:x2:y2:color:thickness:filled |
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Line 120 x:y:file:transparent:srcX:srcY:destW:des
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Line 120 x:y:file:transparent:srcX:srcY:destW:des
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=over 4 |
=over 4 |
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=item srcX,srcY,srcW,srcH |
=item srcX,srcY,srcW,srcH |
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the start and extant of the region in file to copy to x,y with width/height |
the start and extant of the region in file to copy to x,y with width/height |
destW destH |
destW destH |
Line 158 and in that case, if set to a valid valu
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Line 158 and in that case, if set to a valid valu
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color:width:open:filled |
color:width:open:filled |
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=over 4 |
=over 4 |
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=item open |
=item open |
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Line 177 The possible values for this for the dif
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Line 177 The possible values for this for the dif
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=over 4 |
=over 4 |
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=item POLYGON |
=item POLYGON |
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a list of coords in the form |
a list of coords in the form |
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Line 210 use Apache::loncommon();
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Line 210 use Apache::loncommon();
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use Math::Trig(); |
use Math::Trig(); |
use GD; |
use GD; |
use GD::Polyline(); |
use GD::Polyline(); |
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use LWP::UserAgent(); |
use Apache::lonnet; |
use Apache::lonnet; |
use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
use LONCAPA; |
use LONCAPA; |
use LONCAPA::LWPReq; |
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# |
# |
# Note: Math::Trig is included in the standard perl package for many distros. |
# Note: Math::Trig is included in the standard perl package for many distros. |
Line 232 sub get_image {
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Line 232 sub get_image {
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if ($imgsrc !~ /^https?\:/) { |
if ($imgsrc !~ /^https?\:/) { |
$imgsrc=&Apache::lonnet::absolute_url($ENV{'HTTP_HOST'}).$imgsrc; |
$imgsrc=&Apache::lonnet::absolute_url($ENV{'HTTP_HOST'}).$imgsrc; |
} |
} |
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my $ua=new LWP::UserAgent; |
my $request=new HTTP::Request('GET',"$imgsrc"); |
my $request=new HTTP::Request('GET',"$imgsrc"); |
$request->header(Cookie => $ENV{'HTTP_COOKIE'}); |
$request->header(Cookie => $ENV{'HTTP_COOKIE'}); |
my $file="/tmp/imagetmp".$$; |
my $file="/tmp/imagetmp".$$; |
my $lonhost = $Apache::lonnet::perlvar{'lonHostID'}; |
my $response=$ua->request($request,$file); |
my $response=&LONCAPA::LWPReq::makerequest($lonhost,$request,$file,'','','',1); |
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if ($response->is_success) { |
if ($response->is_success) { |
if ($response->content_type !~ m-/(png|jpg|jpeg)$-i) { |
if ($response->content_type !~ m-/(png|jpg|jpeg)$-i) { |
my $conv_image = Image::Magick->new; |
my $conv_image = Image::Magick->new; |
Line 302 sub add_click {
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Line 302 sub add_click {
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
$r->content_type('image/png'); |
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$r->send_http_header; |
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&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); |
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Line 313 sub handler {
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Line 311 sub handler {
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} else { |
} else { |
$prefix="cgi.$env{'form.token'}."; |
$prefix="cgi.$env{'form.token'}."; |
} |
} |
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my $epsfile; |
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if (defined($env{$prefix."EPSFILE"})) { |
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my $user = $env{'user.name'}.'_'.$env{'user.domain'}; |
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if ($env{$prefix."EPSFILE"} =~ /^\Q$user\E_\d+_\d+_\d+_drawimage\.eps$/) { |
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$epsfile = $Apache::lonnet::perlvar{'lonPrtDir'}.'/'.$env{$prefix."EPSFILE"}; |
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} else { |
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&Apache::lonnet::logthis('Unable to create eps file for image object for -'. |
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$env{'form.token'}.'- for '.$user.' as EPSFILE has '. |
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'unexpected value'); |
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return OK; |
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} |
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} |
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unless ($epsfile) { |
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$r->content_type('image/png'); |
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$r->send_http_header; |
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} |
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my $image; |
my $image; |
if (defined($env{$prefix."BGIMG"})) { |
if (defined($env{$prefix."BGIMG"})) { |
Line 378 sub handler {
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Line 392 sub handler {
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$polygon->addPt($x,$y); |
$polygon->addPt($x,$y); |
$added++; |
$added++; |
} |
} |
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$image->setThickness($width); |
$image->setThickness($width); |
if ($added) { |
if ($added) { |
if ($open && lc($open) ne 'no') { |
if ($open && lc($open) ne 'no') { |
Line 472 sub handler {
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Line 485 sub handler {
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} |
} |
if (exists($env{'form.clickdata'})) { &add_click($image); } |
if (exists($env{'form.clickdata'})) { &add_click($image); } |
$image->setThickness(1); |
$image->setThickness(1); |
$r->print($image->png); |
if ($epsfile) { |
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if (open(my $pipe, "| convert png:- $epsfile")) { |
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print $pipe $image->png; |
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close($pipe); |
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} else { |
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&Apache::lonnet::logthis("randomlylabel unable to open pipe to convert png to eps"); |
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} |
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} else { |
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$r->print($image->png); |
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} |
return OK; |
return OK; |
} |
} |
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