version 1.5, 2004/03/16 23:08:23
|
version 1.13, 2024/04/05 22:44:19
|
Line 29
|
Line 29
|
package Apache::drawimage; |
package Apache::drawimage; |
use strict; |
use strict; |
use Apache::loncommon; |
use Apache::loncommon; |
|
use Apache::lonnet; |
|
use Apache::lonxml; |
|
use lib '/home/httpd/lib/perl/'; |
|
use Time::HiRes qw(gettimeofday); |
|
use LONCAPA; |
|
|
|
|
my %args; |
my %args; |
my $cgi_id; |
my $cgi_id; |
|
my @cgi_ids; |
BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::drawimage',('drawimage')); |
&Apache::lonxml::register('Apache::drawimage',('drawimage')); |
} |
} |
|
|
sub start_drawimage { |
sub start_drawimage { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
&Apache::lonxml::register('Apache::drawimage',('text','line','rectangle','arc','fill')); |
&Apache::lonxml::register('Apache::drawimage',('text','line','rectangle','arc','fill','polygon','image')); |
if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web' || $target eq 'tex') { |
$cgi_id=&Apache::loncommon::get_cgi_id(); |
my $new_id=&Apache::loncommon::get_cgi_id(); |
%args=(); |
if ($cgi_id) { push(@cgi_ids,$cgi_id); } else { undef(%args); } |
|
$cgi_id=$new_id; |
} |
} |
|
return ''; |
} |
} |
|
|
sub end_drawimage { |
sub end_drawimage { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result; |
my $result; |
|
# need to call rand everytime start_script would evaluate, as the |
|
# safe space rand number generator and the global rand generator |
|
# are not separate |
|
my $randnumber; |
|
if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' || |
|
$target eq 'answer') { |
|
$randnumber=int(rand(1000)); |
|
} |
if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web') { |
my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval); |
my $width = |
my $height =&Apache::lonxml::get_param('height',$parstack,$safeeval); |
&Apache::lonxml::get_param('width',$parstack,$safeeval); |
my $bgcolor =&Apache::lonxml::get_param('bgcolor',$parstack,$safeeval); |
my $height = |
if (!$width) { $width=300; } |
&Apache::lonxml::get_param('height',$parstack,$safeeval); |
if (!$height) { $height=300; } |
my $bgcolor = |
$args{"cgi.$cgi_id.BGCOLOR"}=join(':',($bgcolor)); |
&Apache::lonxml::get_param('bgcolor',$parstack,$safeeval); |
if ($target eq 'tex') { |
if (!$width) { $width=300; } |
my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1); |
if (!$height) { $height=300; } |
if (!$texwidth) { $texwidth='90'; } |
|
$args{"cgi.$cgi_id.SIZE"}=join(':',($width,$height,$texwidth)); |
|
my $tmpdir = LONCAPA::tempdir(); # Where temporary files live: |
|
## Determine filename |
|
my ($seconds, $microseconds) = gettimeofday; |
|
my $filename = $env{'user.name'}.'_'.$env{'user.domain'}. |
|
'_'.$seconds.'_'.$microseconds.'_'.$$.$randnumber.'_drawimage.eps'; |
|
$args{"cgi.$cgi_id.EPSFILE"} = $env{'user.name'}.'_'.$env{'user.domain'}. |
|
'_'.$seconds.'_'.$microseconds.'_'.$$.$randnumber. |
|
'_drawimage.eps'; |
|
$result = "%DYNAMICIMAGE:$width:$height:$texwidth\n"; |
|
$result .= '\graphicspath{{'.$tmpdir.'}}'."\n"; |
|
$result .= '\includegraphics[width='.$texwidth.' mm]{'.$filename.'}'; |
|
&Apache::lonxml::register_ssi('/adm/randomlabel.png?token='.$cgi_id); |
|
} else { |
|
$args{"cgi.$cgi_id.SIZE"}=join(':',($width,$height)); |
$result.="<img width='$width' height='$height' |
$result.="<img width='$width' height='$height' |
src='/adm/randomlabel.png?token=$cgi_id' />\n"; |
src='/adm/randomlabel.png?token=$cgi_id' />\n"; |
$args{"cgi.$cgi_id.SIZE"}=join(':',($width,$height)); |
} |
$args{"cgi.$cgi_id.BGCOLOR"}=join(':',($bgcolor)); |
&Apache::lonnet::appenv(\%args); |
&Apache::lonnet::appenv(%args); |
if (@cgi_ids) { |
} elsif ($target eq 'tex') { |
$cgi_id=pop(@cgi_ids); |
#FIXME generate image some how |
} else { |
#probably Simple::PostScript |
undef($cgi_id); |
} |
} |
|
} elsif ($target eq 'edit') { |
|
} elsif ($target eq 'modified') { |
} |
} |
&Apache::lonxml::deregister('Apache::drawimage',('line','rectangle')); |
|
|
&Apache::lonxml::register('Apache::drawimage', |
|
('text','line','rectangle','arc','fill', |
|
'polygon')); |
return $result; |
return $result; |
} |
} |
|
|
Line 76 sub start_text {
|
Line 113 sub start_text {
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result; |
my $result; |
if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web' || $target eq 'tex') { |
|
&Apache::lonxml::startredirection(); |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_text { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
|
if ($target eq 'web' || $target eq 'tex') { |
my $x = &Apache::lonxml::get_param('x',$parstack,$safeeval); |
my $x = &Apache::lonxml::get_param('x',$parstack,$safeeval); |
my $y = &Apache::lonxml::get_param('y',$parstack,$safeeval); |
my $y = &Apache::lonxml::get_param('y',$parstack,$safeeval); |
my $font = &Apache::lonxml::get_param('font',$parstack,$safeeval); |
my $font = &Apache::lonxml::get_param('font',$parstack,$safeeval); |
my $color = &Apache::lonxml::get_param('color',$parstack,$safeeval); |
my $color = &Apache::lonxml::get_param('color',$parstack,$safeeval); |
my $direction = &Apache::lonxml::get_param('direction',$parstack,$safeeval); |
my $direction = &Apache::lonxml::get_param('direction',$parstack,$safeeval); |
my $text = &Apache::lonxml::get_all_text("/text",$parser); |
my $rotation = &Apache::lonxml::get_param('rotation',$parstack,$safeeval); |
$text = &Apache::lonnet::escape($text); |
my $text = &Apache::lonxml::endredirection(); |
|
$text = &escape($text); |
$args{"cgi.$cgi_id.OBJTYPE"}.='LABEL:'; |
$args{"cgi.$cgi_id.OBJTYPE"}.='LABEL:'; |
my $i=$args{"cgi.$cgi_id.OBJCOUNT"}++; |
my $i=$args{"cgi.$cgi_id.OBJCOUNT"}++; |
$args{"cgi.$cgi_id.OBJ$i"}=join(':',($x,$y,$text,$font,$color,$direction)); |
$args{"cgi.$cgi_id.OBJ$i"}=join(':',($x,$y,$text,$font,$color,$direction,$rotation)); |
} |
} |
return $result; |
return $result; |
} |
} |
|
|
sub end_text { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
|
return $result; |
|
} |
|
|
|
sub start_line { |
sub start_line { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result; |
my $result; |
Line 194 sub end_fill {
|
Line 235 sub end_fill {
|
return $result; |
return $result; |
} |
} |
|
|
|
my @polygon; |
|
sub start_polygon { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
|
&Apache::lonxml::register('Apache::drawimage',('point')); |
|
if ($target eq 'web' || $target eq 'tex') { |
|
undef(@polygon); |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_polygon { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
|
if ($target eq 'web' || $target eq 'tex') { |
|
my $color=&Apache::lonxml::get_param('color',$parstack,$safeeval); |
|
my $filled=&Apache::lonxml::get_param('filled',$parstack,$safeeval); |
|
my $open=&Apache::lonxml::get_param('open',$parstack,$safeeval); |
|
my $thickness = &Apache::lonxml::get_param('thickness',$parstack, |
|
$safeeval); |
|
my $i=$args{"cgi.$cgi_id.OBJCOUNT"}++; |
|
$args{"cgi.$cgi_id.OBJTYPE"}.='POLYGON:'; |
|
$args{"cgi.$cgi_id.OBJ$i"}=join(':',($color,$thickness,$open,$filled)); |
|
$args{"cgi.$cgi_id.OBJEXTRA$i"}=join('-',@polygon); |
|
} |
|
&Apache::lonxml::deregister('Apache::drawimage',('point')); |
|
return $result; |
|
} |
|
|
|
sub start_point { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
|
if ($target eq 'web' || $target eq 'tex') { |
|
my $x = &Apache::lonxml::get_param('x',$parstack,$safeeval); |
|
my $y = &Apache::lonxml::get_param('y',$parstack,$safeeval); |
|
push (@polygon,"($x,$y)"); |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_point { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
|
return $result; |
|
} |
|
|
|
sub start_image { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
|
if ($target eq 'web' || $target eq 'tex') { |
|
&Apache::lonxml::startredirection(); |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_image { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result; |
|
if ($target eq 'web' || $target eq 'tex') { |
|
my $bgimg=&Apache::lonxml::endredirection(); |
|
my $x = &Apache::lonxml::get_param('x',$parstack,$safeeval); |
|
my $y = &Apache::lonxml::get_param('y',$parstack,$safeeval); |
|
my $clipx = &Apache::lonxml::get_param('clipx',$parstack,$safeeval); |
|
my $clipy = &Apache::lonxml::get_param('clipy',$parstack,$safeeval); |
|
my $clipwidth = |
|
&Apache::lonxml::get_param('clipwidth',$parstack,$safeeval); |
|
my $clipheight = |
|
&Apache::lonxml::get_param('clipheight',$parstack,$safeeval); |
|
my $scaledwidth = |
|
&Apache::lonxml::get_param('scaledwidth',$parstack,$safeeval); |
|
my $scaledheight = |
|
&Apache::lonxml::get_param('scaledheight',$parstack,$safeeval); |
|
my $transparent = |
|
&Apache::lonxml::get_param('transparent',$parstack,$safeeval); |
|
$bgimg=&Apache::imageresponse::clean_up_image($bgimg); |
|
my $i=$args{"cgi.$cgi_id.OBJCOUNT"}++; |
|
$args{"cgi.$cgi_id.OBJTYPE"}.='IMAGE:'; |
|
$args{"cgi.$cgi_id.OBJ$i"} = |
|
join(':',($x,$y,&escape($bgimg),$transparent, |
|
$clipx,$clipy,$scaledwidth,$scaledheight,$clipwidth,$clipheight)); |
|
} |
|
return $result; |
|
} |
1; |
1; |
__END__ |
__END__ |