version 1.27, 2003/05/06 11:54:08
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version 1.35, 2003/09/22 20:49:01
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
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# July,August 2003 H. K. Ng |
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# |
#FIXME LATER assumes multiple possible submissions but only one is possible |
#FIXME LATER assumes multiple possible submissions but only one is possible |
#currently |
#currently |
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package Apache::imageresponse; |
package Apache::imageresponse; |
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use Apache::randomlylabel; |
use strict; |
use strict; |
use Image::Magick; |
use Image::Magick; |
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use GD; |
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BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::imageresponse',('imageresponse')); |
&Apache::lonxml::register('Apache::imageresponse',('imageresponse')); |
Line 51 sub start_imageresponse {
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Line 54 sub start_imageresponse {
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} |
} |
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sub end_imageresponse { |
sub end_imageresponse { |
&Apache::response::end_response; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
pop @Apache::lonxml::namespace; |
&Apache::response::end_response; |
&Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup')); |
pop @Apache::lonxml::namespace; |
return ''; |
&Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup')); |
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my $result; |
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if ($target eq 'edit') { $result=&Apache::edit::end_table(); } |
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return $result; |
} |
} |
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%Apache::response::foilgroup=(); |
%Apache::response::foilgroup=(); |
Line 103 sub displayfoils {
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Line 109 sub displayfoils {
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my $temp=1; |
my $temp=1; |
foreach $name (@whichopt) { |
foreach $name (@whichopt) { |
$result.=$Apache::response::foilgroup{"$name.text"}; |
$result.=$Apache::response::foilgroup{"$name.text"}; |
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&Apache::lonxml::debug("Text is $result"); |
if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";} |
if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";} |
my $image=$Apache::response::foilgroup{"$name.image"}; |
my $image=$Apache::response::foilgroup{"$name.image"}; |
if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { |
&Apache::lonxml::debug("image is $image"); |
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if ( &Apache::response::show_answer() ) { |
if ($target eq 'tex') { |
if ($target eq 'tex') { |
$result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n"; |
$result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n"; |
} else { |
} else { |
Line 134 sub gradefoils {
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Line 142 sub gradefoils {
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$x=$ENV{"form.HWVAL_$id:$temp.x"}; |
$x=$ENV{"form.HWVAL_$id:$temp.x"}; |
$y=$ENV{"form.HWVAL_$id:$temp.y"}; |
$y=$ENV{"form.HWVAL_$id:$temp.y"}; |
&Apache::lonxml::debug("Got a x of $x and a y of $y for $name"); |
&Apache::lonxml::debug("Got a x of $x and a y of $y for $name"); |
if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) { |
if (defined($x) && defined($y) && |
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defined(@{ $Apache::response::foilgroup{"$name.area"} })) { |
my @areas = @{ $Apache::response::foilgroup{"$name.area"} }; |
my @areas = @{ $Apache::response::foilgroup{"$name.area"} }; |
my $grade="INCORRECT"; |
my $grade="INCORRECT"; |
foreach my $area (@areas) { |
foreach my $area (@areas) { |
Line 170 sub end_foilgroup {
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Line 179 sub end_foilgroup {
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if ($count>$max) { $count=$max } |
if ($count>$max) { $count=$max } |
&Apache::lonxml::debug("Count is $count from $max"); |
&Apache::lonxml::debug("Count is $count from $max"); |
@whichopt = &whichfoils($max); |
@whichopt = &whichfoils($max); |
} elsif ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web' || $target eq 'tex') { |
$result=&displayfoils($target,@whichopt); |
$result=&displayfoils($target,@whichopt); |
} elsif ($target eq 'grade') { |
} elsif ($target eq 'grade') { |
if ( defined $ENV{'form.submitted'}) { |
if ( defined $ENV{'form.submitted'}) { &gradefoils(@whichopt); } |
&gradefoils(@whichopt); |
} |
} |
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} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
$result=&Apache::edit::end_table(); |
$result=&Apache::edit::end_table(); |
} |
} |
Line 213 sub end_conceptgroup {
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Line 221 sub end_conceptgroup {
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return $result; |
return $result; |
} |
} |
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sub insert_foil { |
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return ' |
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<foil> |
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<image></image> |
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<text></text> |
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<rectangle></rectangle> |
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</foil> |
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'; |
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} |
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$Apache::imageresponse::curname=''; |
$Apache::imageresponse::curname=''; |
sub start_foil { |
sub start_foil { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
Line 303 sub end_image {
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Line 321 sub end_image {
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my $name = $Apache::imageresponse::curname; |
my $name = $Apache::imageresponse::curname; |
if ($target eq 'web') { |
if ($target eq 'web') { |
my $image = &Apache::lonxml::endredirection; |
my $image = &Apache::lonxml::endredirection; |
&Apache::lonxml::debug("out is $image"); |
&Apache::lonxml::debug("original image is $image"); |
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my $id=$Apache::inputtags::response['-1']; |
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my $temp=1; |
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my $x=$ENV{"form.HWVAL_$id:$temp.x"}; |
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my $y=$ENV{"form.HWVAL_$id:$temp.y"}; |
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if (defined ($x) && defined ($y)) { |
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&Apache::lonxml::debug("x and y defined as $x,$y"); |
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my $currentImage = &Apache::randomlylabel::get_image('/home/httpd/html'.$image,1); |
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if (! defined($currentImage)) { |
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&Apache::lonnet::logthis('Unable to create image object for '.$image); |
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return ''; |
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} |
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my $red; |
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if (!($red = $currentImage->colorResolve(255,0,0))) { |
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$red = $currentImage->colorClosestHWB(255,0,0); |
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} |
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my $length = 6; |
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$currentImage->line($x-$length,$y-$length,$x+$length,$y+$length,$red); |
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$currentImage->line($x-$length,$y+$length,$x+$length,$y-$length,$red); |
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my ($nameWOext) = ($image =~ /^.*\/(.*)\..*$/); |
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&Apache::lonxml::debug("graph name $nameWOext"); |
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my $webImageName = "/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_". |
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$nameWOext.'.png'; #needs to be more random or specific |
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my $newImageName = '/home/httpd'.$webImageName; |
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my $imgfh = Apache::File->new('>'.$newImageName); |
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print $imgfh $currentImage->png; |
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$image = $webImageName; |
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} |
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&Apache::lonxml::debug("out image is $image"); |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
&& !&Apache::response::showallfoils()) { |
&& !&Apache::response::showallfoils()) { |
$Apache::response::conceptgroup{"$name.image"} = $image; |
$Apache::response::conceptgroup{"$name.image"} = $image; |