On Wed, 2010-02-03 at 10:49 +0100, Aurelie REYMUND wrote:
> 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@xxxxxxxxxxxxxx>
>
> > From: "Aurelie REYMUND" <aurely001@xxxxxxxxx>
> > Sent: Monday, February 01, 2010 3:37 AM
> > To: <php-general@xxxxxxxxxxxxx>
> > Subject: 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
> >
> >
IE doesn't display SVG natively, and the plugins for it are pants.
However, IE does make use of its own propitiatory vector language called
VML, This is how the Cufon font replacer system works.
Thanks,
Ash
http://www.ashleysheridan.co.uk
