Re: session variables and SVG documents

Hello, unfortunately, it does not suite my needs. The image must be clickable. The application I'm developping reads data from a database and display the information graphically. The user must be able to click on some elements of the picture, and I have to store the information the user clicked on (session vars). I cannot tell the user not to use IE, so I have to find another solution... Regards, Aurelie 2010/2/1 Ray Solomon <ray@bigdoghost.com> > From: "Aurelie REYMUND" <aurely001@gmail.com> > Sent: Monday, February 01, 2010 3:37 AM > To: <php-general@lists.php.net> > Subject: [PHP] session variables and SVG documents > > > Hello, >> >> I have the following problem with the Adobe SVG viewer: >> I try to generate a SVG document using PHP. the following code is working >> well under Firefox, as well as IE with ASV: >> >> <?php >> >> header("Content-type: image/svg+xml"); >> >> $graph_title = 'title'; >> >> >> print('<?xml version="1.0" encoding="iso-8859-1" >> standalone="no"?>'); >> $svgwidth=500; >> $svgheight=400; >> ?> >> >> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" " >> http://www.w3.org/TR/SVG/DTD/svg10.dtd"> >> <svg width="<?php echo $svgwidth; ?>px" height="<?php echo >> $svgheight; >> ?>px" >> xmlns="http://www.w3.org/2000/svg"> >> <desc>This is a php-random rectangle test</desc> >> <?php >> srand((double) microtime() * 1000000); //initalizing random generator >> for ($i = 0; $i < 20; $i+=1) { >> $x = floor(rand(0,$svgwidth-1)); //avoid getting a range 0..0 for rand >> function >> $y = floor(rand(0,$svgheight-1)); >> $width = floor(rand(0,$svgwidth-$x)); //avoid getting rect outside of >> viewbox >> $height = floor(rand(0,$svgheight-$y)); >> $red = floor(rand(0,255)); >> $blue = floor(rand(0,255)); >> $green = floor(rand(0,255)); >> $color = "rgb(".$red.",".$green.",".$ >> blue.")"; >> print "\t<rect x=\"$x\" y=\"$y\" width=\"$width\" >> height=\"$height\" >> style=\"fill:$color;\"/>\n"; >> } >> ?> >> <text x="<?php echo $svgwidth/2;?>px" y="300" >> style="font-size:15;" >> text-anchor="middle">The servers Date and Time is: <?php print >> (strftime("%Y-%m-%d, %H:%M:%S")); ?></text> >> <text x="<?php echo $svgwidth/2;?>px" y="340" >> style="font-size:15;" >> text-anchor="middle">You are running:</text> >> <text x="<?php echo $svgwidth/2;?>px" y="360" >> style="font-size:15;" >> text-anchor="middle"><?php print $HTTP_USER_AGENT; ?></text> >> </svg> >> >> If now I want to include the session_start() at the beginning of the code, >> in IE I got a pop-up dialog called "download file" >> >> What am I doing wrong ? >> >> Regards, >> Aurelie >> >> > > It appears IE does not support svg yet and you need a plugin for it. > > However, you could also design your code differently by using Imagemagick > to convert the svg to png. > If that suits your needs, then use the modified code below: > > > <?php > > header("Content-type: image/png"); > > $graph_title = 'title'; > > $svgwidth=500; > $svgheight=400; > > $svg = '<?xml version="1.0" encoding="iso-8859-1" > standalone="no"?> > <svg width="'.$svgwidth.'px" > height="'.$svgheight.'px" xmlns=" > http://www.w3.org/2000/svg"> > <desc>This is a php-random rectangle test</desc>'; > > > for ($i = 0; $i < 20; $i++) { > > $x = floor(rand(0,$svgwidth-1)); > $y = floor(rand(0,$svgheight-1)); > $width = floor(rand(0,$svgwidth-$x)); > $height = floor(rand(0,$svgheight-$y)); > $red = floor(rand(0,255)); > $blue = floor(rand(0,255)); > $green = floor(rand(0,255)); > $color = "rgb(".$red.",".$green.",".$blue.")"; > $svg .= "\t<rect x=\"$x\" y=\"$y\" > width=\"$width\" > height=\"$height\" style=\"fill:$color;\"/>\n"; > } > > $svg .= '<text x="'.($svgwidth/2).'px" y="300" > style="font-size:15;" > text-anchor="middle">The servers Date and Time is: '.date("Y-m-d, > H:m:s").'</text> > <text x="'.($svgwidth/2).'px" y="340" > style="font-size:15;" > text-anchor="middle">You are running:</text> > <text x="'.($svgwidth/2).'px" y="360" > style="font-size:15;" > text-anchor="middle">'.$HTTP_USER_AGENT.'</text> > </svg>'; > > > file_put_contents('/tmp/image.svg', $svg); > > exec("/usr/bin/rsvg /tmp/image.svg /tmp/image.png"); > > echo file_get_contents('/tmp/image.png'); > ?> > > -Ray Solomon > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >