version 1.19, 2002/07/23 14:41:06
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version 1.33, 2003/08/01 14:22:07
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
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# July,August 2003 H. K. Ng |
#FIXME assumes multiple possbile submissions but only one is possible currently |
# |
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#FIXME LATER assumes multiple possible submissions but only one is possible |
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#currently |
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package Apache::imageresponse; |
package Apache::imageresponse; |
use strict; |
use strict; |
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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 49 sub start_imageresponse {
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Line 53 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=(); |
sub start_foilgroup { |
sub start_foilgroup { |
%Apache::response::foilgroup={}; |
%Apache::response::foilgroup=(); |
$Apache::imageresponse::conceptgroup=0; |
$Apache::imageresponse::conceptgroup=0; |
&Apache::response::setrandomnumber(); |
&Apache::response::setrandomnumber(); |
return ''; |
return ''; |
Line 84 sub whichfoils {
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Line 91 sub whichfoils {
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if (&Apache::response::showallfoils()) { |
if (&Apache::response::showallfoils()) { |
$aopt=0; |
$aopt=0; |
} else { |
} else { |
$aopt=int(rand($#names+1)); |
$aopt=int(&Math::Random::random_uniform() * ($#names+1)); |
} |
} |
&Apache::lonxml::debug("From $#names elms, picking $aopt"); |
&Apache::lonxml::debug("From $#names elms, picking $aopt"); |
$aopt=splice(@names,$aopt,1); |
$aopt=splice(@names,$aopt,1); |
Line 95 sub whichfoils {
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Line 102 sub whichfoils {
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} |
} |
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sub displayfoils { |
sub displayfoils { |
my (@whichopt) = @_; |
my ($target,@whichopt) = @_; |
my $result =''; |
my $result =''; |
my $name; |
my $name; |
my $temp=1; |
my $temp=1; |
foreach $name (@whichopt) { |
foreach $name (@whichopt) { |
$result.=$Apache::response::foilgroup{"$name.text"}."<br />\n"; |
$result.=$Apache::response::foilgroup{"$name.text"}; |
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&Apache::lonxml::debug("Text is $result"); |
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if ($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"}; |
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&Apache::lonxml::debug("image is $image"); |
if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { |
if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { |
$result.="<img src=\"$image\"/> <br />\n"; |
if ($target eq 'tex') { |
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$result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n"; |
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} else { |
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$result.="<img src=\"$image\"/> <br />\n"; |
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} |
} else { |
} else { |
$result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n"; |
if ($target eq 'tex') { |
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$result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n"; |
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} else { |
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$result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n"; |
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} |
} |
} |
$temp++; |
$temp++; |
} |
} |
Line 114 sub displayfoils {
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Line 132 sub displayfoils {
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sub gradefoils { |
sub gradefoils { |
my (@whichopt) = @_; |
my (@whichopt) = @_; |
my $result=''; |
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my $x; |
my $x; |
my $y; |
my $y; |
my $result; |
my $result; |
Line 124 sub gradefoils {
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Line 141 sub gradefoils {
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$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 $area (@areas) { |
Line 155 sub end_foilgroup {
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Line 173 sub end_foilgroup {
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
my @whichopt; |
my @whichopt; |
if ($target eq 'web' || $target eq 'grade') { |
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') { |
my ($count,$max) = &getfoilcounts($parstack,$safeeval); |
my ($count,$max) = &getfoilcounts($parstack,$safeeval); |
if ($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($max); |
} |
if ($target eq 'web' || $target eq 'tex') { |
if ($target eq 'web') { |
$result=&displayfoils($target,@whichopt); |
$result=&displayfoils(@whichopt); |
} elsif ($target eq 'grade') { |
} |
if ( defined $ENV{'form.submitted'}) { &gradefoils(@whichopt); } |
if ($target eq 'grade') { |
} |
if ( defined $ENV{'form.submitted'}) { |
} elsif ($target eq 'edit') { |
&gradefoils(@whichopt); |
$result=&Apache::edit::end_table(); |
} |
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} |
} |
return $result; |
return $result; |
} |
} |
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sub start_conceptgroup { |
sub start_conceptgroup { |
$Apache::imageresponse::conceptgroup=1; |
$Apache::imageresponse::conceptgroup=1; |
%Apache::response::conceptgroup={}; |
%Apache::response::conceptgroup=(); |
return ''; |
return ''; |
} |
} |
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sub end_conceptgroup { |
sub end_conceptgroup { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
$Apache::imageresponse::conceptgroup=0; |
$Apache::imageresponse::conceptgroup=0; |
if ($target eq 'web' || $target eq 'grade') { |
my $result; |
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if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') { |
if (defined(@{ $Apache::response::conceptgroup{'names'} })) { |
if (defined(@{ $Apache::response::conceptgroup{'names'} })) { |
my @names = @{ $Apache::response::conceptgroup{'names'} }; |
my @names = @{ $Apache::response::conceptgroup{'names'} }; |
my $pick=int(rand($#names+1)); |
my $pick=int(&Math::Random::random_uniform() * ($#names+1)); |
my $name=$names[$pick]; |
my $name=$names[$pick]; |
if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) { |
if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) { |
push @{ $Apache::response::foilgroup{'names'} }, $name; |
push @{ $Apache::response::foilgroup{'names'} }, $name; |
Line 196 sub end_conceptgroup {
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Line 214 sub end_conceptgroup {
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&Apache::lonxml::debug("Selecting $name in $concept"); |
&Apache::lonxml::debug("Selecting $name in $concept"); |
} |
} |
} |
} |
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} elsif ($target eq 'edit') { |
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$result=&Apache::edit::end_table(); |
} |
} |
return ''; |
return $result; |
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} |
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sub insert_foil { |
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return ' |
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<foil> |
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<image></image> |
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<text></text> |
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<rectangle></rectangle> |
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</foil> |
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'; |
} |
} |
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$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,$style)=@_; |
if ($target eq 'web' || $target eq 'grade') { |
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') { |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
if ($name eq '') { $name=$Apache::lonxml::curdepth; } |
if ($name eq '') { $name=$Apache::lonxml::curdepth; } |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
Line 218 sub start_foil {
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Line 248 sub start_foil {
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} |
} |
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sub end_foil { |
sub end_foil { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
return ''; |
my $result; |
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if ($target eq 'edit') { |
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$result=&Apache::edit::end_table(); |
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} |
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return $result; |
} |
} |
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sub start_text { |
sub start_text { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web') { &Apache::lonxml::startredirection; } |
my $result=''; |
return ''; |
if ($target eq 'web' || $target eq 'tex') { |
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&Apache::lonxml::startredirection; |
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} elsif ($target eq 'edit') { |
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my $descr=&Apache::lonxml::get_all_text('/text',$parser); |
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$result=&Apache::edit::tag_start($target,$token,'Task Description'). |
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&Apache::edit::editfield($token->[1],$descr,'Text',60,2). |
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&Apache::edit::end_row(); |
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} elsif ($target eq "modified") { |
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my $descr=&Apache::lonxml::get_all_text('/text',$parser); |
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$result=$token->[4].&Apache::edit::modifiedfield($token); |
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&Apache::lonxml::debug($result); |
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} |
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return $result; |
} |
} |
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sub end_text { |
sub end_text { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web') { |
my $result; |
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if ($target eq 'web' || $target eq 'tex') { |
my $name = $Apache::imageresponse::curname; |
my $name = $Apache::imageresponse::curname; |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
&& !&Apache::response::showallfoils() ) { |
&& !&Apache::response::showallfoils() ) { |
Line 238 sub end_text {
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Line 285 sub end_text {
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} else { |
} else { |
$Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection; |
$Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection; |
} |
} |
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} elsif ($target eq 'edit') { |
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$result=&Apache::edit::end_table(); |
} |
} |
return ''; |
return $result; |
} |
} |
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sub start_image { |
sub start_image { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web' || $target eq 'tex') { &Apache::lonxml::startredirection; } |
my $result=''; |
return ''; |
if ($target eq 'web' || $target eq 'tex') { |
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&Apache::lonxml::startredirection; |
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} elsif ($target eq 'edit') { |
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my $bgimg=&Apache::lonxml::get_all_text('/image',$parser); |
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$Apache::edit::bgimgsrc=$bgimg; |
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$Apache::edit::bgimgsrcdepth=$Apache::lonxml::curdepth; |
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$result=&Apache::edit::tag_start($target,$token,'Clickable Image'). |
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&Apache::edit::editline($token->[1],$bgimg,'Image Source File',40); |
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$result.=&Apache::edit::browse(undef,'textnode').' '; |
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$result.=&Apache::edit::search(undef,'textnode'). |
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&Apache::edit::end_row(); |
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} elsif ($target eq "modified") { |
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my $bgimg=&Apache::lonxml::get_all_text('/image',$parser); |
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$result=$token->[4].&Apache::edit::modifiedfield($token); |
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&Apache::lonxml::debug($result); |
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} |
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return $result; |
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} |
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sub get_image { |
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my ($imgsrc,$set_trans)=@_; |
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my $image; |
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if ($imgsrc !~ /\.(png|jpg|jpeg)$/i) { |
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my $conv_image = Image::Magick->new; |
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my $current_figure = $conv_image->Read('filename'=>$imgsrc); |
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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($imgsrc); |
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} |
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if ($set_trans && defined($image)) { |
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my $white=$image->colorExact(255,255,255); |
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if ($white != -1) { $image->transparent($white); } |
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} |
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return $image; |
} |
} |
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sub end_image { |
sub end_image { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $currentstring = ''; |
my $result; |
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my $name = $Apache::imageresponse::curname; |
if ($target eq 'web') { |
if ($target eq 'web') { |
my $name = $Apache::imageresponse::curname; |
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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 $currentImage = &get_image('/home/httpd/html'.$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; |
} else { |
} else { |
$Apache::response::foilgroup{"$name.image"} = $image; |
$Apache::response::foilgroup{"$name.image"} = $image; |
} |
} |
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} elsif ($target eq 'edit') { |
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$result=&Apache::edit::end_table(); |
} elsif ($target eq 'tex') { |
} elsif ($target eq 'tex') { |
my $src = &Apache::lonxml::endredirection; |
my $src = &Apache::lonxml::endredirection; |
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); |
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); |
Line 308 sub end_image {
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Line 427 sub end_image {
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$path = $1.'/'; |
$path = $1.'/'; |
} |
} |
my $newsrc = $src; |
my $newsrc = $src; |
$newsrc =~ s/(\.gif|\.jpg)$/\.eps/i; |
$newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i; |
$file=~s/(\.gif|\.jpg)$/\.eps/i; |
$file=~s/(\.gif|\.jpg|\.jpeg)$/\.eps/i; |
#do we have any specified size of the picture? |
#do we have any specified size of the picture? |
my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); |
my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); |
my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); |
my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); |
Line 324 sub end_image {
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Line 443 sub end_image {
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#where can we find the picture? |
#where can we find the picture? |
if (-e $newsrc) { |
if (-e $newsrc) { |
if ($path) { |
if ($path) { |
$currentstring .= '\vskip 0 mm \noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} '; |
$Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; |
} |
} |
} else { |
} else { |
my $temp_file; |
my $temp_file; |
my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat"; |
my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat"; |
$temp_file = Apache::File->new('>>'.$filename); |
$temp_file = Apache::File->new('>>'.$filename); |
print $temp_file "$src\n"; |
print $temp_file "$src\n"; |
$currentstring .= '\vskip 0 mm \graphicspath{{/home/httpd/prtspool/}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} '; |
$Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; |
} |
} |
} |
} |
return $currentstring; |
return $result; |
} |
} |
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sub start_rectangle { |
sub start_rectangle { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web' || $target eq 'grade') { &Apache::lonxml::startredirection; } |
my $result=''; |
return ''; |
if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') { |
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&Apache::lonxml::startredirection; |
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} elsif ($target eq 'edit') { |
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my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser); |
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$result=&Apache::edit::tag_start($target,$token,'Rectangle'). |
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&Apache::edit::editline($token->[1],$coords,'Coordinate Pairs',40). |
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&Apache::edit::entercoordpair(undef,'textnode'). |
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&Apache::edit::end_row(); |
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} elsif ($target eq "modified") { |
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my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser); |
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$result=$token->[4].&Apache::edit::modifiedfield($token); |
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&Apache::lonxml::debug($result); |
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} |
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return $result; |
} |
} |
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sub grade_rectangle { |
sub grade_rectangle { |
Line 362 sub grade_rectangle {
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Line 494 sub grade_rectangle {
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sub end_rectangle { |
sub end_rectangle { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
if ($target eq 'web' || $target eq 'grade') { |
my $result; |
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if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') { |
my $name = $Apache::imageresponse::curname; |
my $name = $Apache::imageresponse::curname; |
my $area = &Apache::lonxml::endredirection; |
my $area = &Apache::lonxml::endredirection; |
&Apache::lonxml::debug("out is $area for $name"); |
&Apache::lonxml::debug("out is $area for $name"); |
Line 372 sub end_rectangle {
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Line 505 sub end_rectangle {
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} else { |
} else { |
push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area"; |
push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area"; |
} |
} |
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} elsif ($target eq 'edit') { |
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$result=&Apache::edit::end_table(); |
} |
} |
return ''; |
return $result; |
} |
} |
1; |
1; |
__END__ |
__END__ |