version 1.40, 2003/11/10 23:29:27
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version 1.42, 2003/11/11 00:39:33
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Line 104 sub whichfoils {
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Line 104 sub whichfoils {
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} |
} |
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sub prep_image { |
sub prep_image { |
my ($image)=@_; |
my ($image,$mode,$name)=@_; |
my $part=$Apache::inputtags::part; |
my $part=$Apache::inputtags::part; |
my $id=$Apache::inputtags::response['-1']; |
my $respid=$Apache::inputtags::response['-1']; |
my $token=$Apache::lonxml::curdepth.'_'.$$; |
my $id=&Apache::loncommon::get_cgi_id(); |
my $args="BGIMG=".$image; |
my %x; |
&Apache::lonxml::debug("args is $args image is $image"); |
$x{"cgi.$id.BGIMG"}=$image; |
my ($x,$y)=split(/:/,$Apache::lonhomework::history{"resource.$part.$id.submission"}); |
my ($x,$y)=split(/:/,$Apache::lonhomework::history{"resource.$part.$respid.submission"}); |
#draws 2 xs on the image at the clicked location |
#draws 2 xs on the image at the clicked location |
#one in white and then one in red on top of the one in white |
#one in white and then one in red on top of the one in white |
if (defined($x) && defined($y)) { |
if (defined($x) && defined($y)) { |
$args.="&LINECOUNT=4"; |
$x{"cgi.$id.LINECOUNT"}=4; |
my $length = 6; |
my $length = 6; |
my $width = 1; |
my $width = 1; |
my $extrawidth = 2; |
my $extrawidth = 2; |
$args.="&LINEW0=".($width+$extrawidth); |
$x{"cgi.$id.LINE0"}= |
$args.="&LINEC0=FFFFFF"; |
join(':',(($x-$length),($y-$length),($x+$length),($y+$length), |
$args.="&LINEX10=".($x-$length)."&LINEY10=".($y-$length); |
"FFFFFF",($width+$extrawidth))); |
$args.="&LINEX20=".($x+$length)."&LINEY20=".($y+$length); |
$x{"cgi.$id.LINE1"}= |
$args.="&LINEW1=".($width+$extrawidth); |
join(':',(($x-$length),($y+$length),($x+$length),($y-$length), |
$args.="&LINEC1=FFFFFF"; |
"FFFFFF",($width+$extrawidth))); |
$args.="&LINEX11=".($x-$length)."&LINEY11=".($y+$length); |
$x{"cgi.$id.LINE2"}= |
$args.="&LINEX21=".($x+$length)."&LINEY21=".($y-$length); |
join(':',(($x-$length),($y-$length),($x+$length),($y+$length), |
$args.="&LINEW2=$width"; |
"FF0000",($width))); |
$args.="&LINEC2=FF0000"; |
$x{"cgi.$id.LINE3"}= |
$args.="&LINEX12=".($x-$length)."&LINEY12=".($y-$length); |
join(':',(($x-$length),($y+$length),($x+$length),($y-$length), |
$args.="&LINEX22=".($x+$length)."&LINEY22=".($y+$length); |
"FF0000",($width))); |
$args.="&LINEW3=$width"; |
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$args.="&LINEC3=FF0000"; |
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$args.="&LINEX13=".($x-$length)."&LINEY13=".($y+$length); |
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$args.="&LINEX23=".($x+$length)."&LINEY23=".($y-$length); |
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} |
} |
&Apache::lonxml::debug("args is $args image is $image"); |
if ($mode eq 'answer') { |
&Apache::lonnet::appenv(("imagerequest.$token"=> |
my $width = 1; |
&Apache::lonnet::escape($args))); |
my $extrawidth = 2; |
return $token; |
my @areas = @{ $Apache::response::foilgroup{"$name.area"} }; |
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foreach my $area (@areas) { |
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my ($x1,$y1,$x2,$y2)= |
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($area=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/); |
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my $i=$x{"cgi.$id.BOXCOUNT"}++; |
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$x{"cgi.$id.BOX$i"}=join(':',($x1,$y1,$x2,$y2,"FFFFFF", |
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($width+$extrawidth))); |
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$i=$x{"cgi.$id.BOXCOUNT"}++; |
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$x{"cgi.$id.BOX$i"}=join(':',($x1,$y1,$x2,$y2,"00FF00",$width)); |
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} |
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} |
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&Apache::lonnet::appenv(%x); |
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return $id; |
} |
} |
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sub displayfoils { |
sub displayfoils { |
Line 163 sub displayfoils {
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Line 171 sub displayfoils {
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if ($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 { |
my $token=&prep_image($image); |
my $token=&prep_image($image,'answer',$name); |
$result.="<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n"; |
$result.="<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n"; |
} |
} |
} else { |
} else { |