version 1.29, 2003/06/09 22:29:45
|
version 1.34, 2003/08/01 15:50:43
|
Line 25
|
Line 25
|
# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
|
# July,August 2003 H. K. Ng |
|
# |
#FIXME LATER assumes multiple possible submissions but only one is possible |
#FIXME LATER assumes multiple possible submissions but only one is possible |
#currently |
#currently |
|
|
package Apache::imageresponse; |
package Apache::imageresponse; |
|
use Apache::randomlylabel; |
use strict; |
use strict; |
use Image::Magick; |
use Image::Magick; |
|
use GD; |
|
|
BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::imageresponse',('imageresponse')); |
&Apache::lonxml::register('Apache::imageresponse',('imageresponse')); |
Line 51 sub start_imageresponse {
|
Line 54 sub start_imageresponse {
|
} |
} |
|
|
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')); |
|
my $result; |
|
if ($target eq 'edit') { $result=&Apache::edit::end_table(); } |
|
return $result; |
} |
} |
|
|
%Apache::response::foilgroup=(); |
%Apache::response::foilgroup=(); |
Line 215 sub end_conceptgroup {
|
Line 221 sub end_conceptgroup {
|
return $result; |
return $result; |
} |
} |
|
|
|
sub insert_foil { |
|
return ' |
|
<foil> |
|
<image></image> |
|
<text></text> |
|
<rectangle></rectangle> |
|
</foil> |
|
'; |
|
} |
|
|
$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 305 sub end_image {
|
Line 321 sub end_image {
|
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"); |
|
my $id=$Apache::inputtags::response['-1']; |
|
my $temp=1; |
|
my $x=$ENV{"form.HWVAL_$id:$temp.x"}; |
|
my $y=$ENV{"form.HWVAL_$id:$temp.y"}; |
|
if (defined ($x) && defined ($y)) { |
|
&Apache::lonxml::debug("x and y defined as $x,$y"); |
|
my $currentImage = &Apache::randomlylabel::get_image('/home/httpd/html'.$image,1); |
|
if (! defined($currentImage)) { |
|
&Apache::lonnet::logthis('Unable to create image object for '.$image); |
|
return ''; |
|
} |
|
my $red; |
|
if (!($red = $currentImage->colorResolve(255,0,0))) { |
|
$red = $currentImage->colorClosestHWB(255,0,0); |
|
} |
|
my $length = 6; |
|
$currentImage->line($x-$length,$y-$length,$x+$length,$y+$length,$red); |
|
$currentImage->line($x-$length,$y+$length,$x+$length,$y-$length,$red); |
|
|
|
my ($nameWOext) = ($image =~ /^.*\/(.*)\..*$/); |
|
&Apache::lonxml::debug("graph name $nameWOext"); |
|
my $webImageName = "/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_". |
|
$nameWOext.'.png'; #needs to be more random or specific |
|
my $newImageName = '/home/httpd'.$webImageName; |
|
|
|
my $imgfh = Apache::File->new('>'.$newImageName); |
|
print $imgfh $currentImage->png; |
|
$image = $webImageName; |
|
} |
|
&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; |