**************************************************************************** */ /***************************************************************************/ // handy bits function debug($message) { echo "$message\n"; } function death($reason) { echo "Error: $reason\n"; exit(255); } function usage() { debug('unzoomify - a tool to stitch back together image tiles made by Zoomify'); debug(''); debug('Usage:'); debug(' php unzoomify.php '); debug('Parameters:'); debug(' path path to the main directory for the image, e.g. ~/images/MyImage/'); debug(' zoomlevel the zoom level for the tiles you want to reassemble, e.g. 4'); } /***************************************************************************/ // initialisation $filename = 'output'; $baseurl = @$argv[1]; $zoomlevel = @$argv[2]; if (!(strlen($baseurl) > 0)) death('you must pass the base file location as the first parameter'); if (!is_numeric($zoomlevel)) death('you must specify the zoom level required as the second parameter'); if (strlen(basename($baseurl)) > 0) { $filename = basename($baseurl); debug("Output filename: $filename.jpg"); }; /***************************************************************************/ // initialisation $tiles = Array(); $x = 0; $y = 0; $maxx = 99; $maxy = 99; function buildurl($baseurl, $zoom, $x, $y) { return "$baseurl/TileGroup0/$zoom-$x-$y.jpg"; } while ($y < $maxy) { $x = 0; while ($x < $maxx) { $url = buildurl($baseurl, $zoomlevel, $x, $y); $im = @imagecreatefromjpeg($url); if ($im) { debug("Opened tile for ($x,$y)"); $tiles[$x][$y] = $im; } else { // not a valid part of it debug("($x,$y) not a valid tile\n"); if ($x > 0) { debug("Determined image is $x tiles wide\n"); $maxx = $x; } else { debug("Determined image is $y tiles tall\n"); $maxy = $y; $x = $maxx; }; }; $x++; } $y++; } debug(""); debug("Got image $maxx by $maxy tiles in size"); /***************************************************************************/ // create overall image $width = 0; $height = 0; // calc width for ($x=0; $x<$maxx; $x++) $width += imagesx($tiles[$x][0]); // calc height for ($y=0; $y<$maxy; $y++) $height += imagesy($tiles[0][$y]); debug("Full image size is $width x $height"); $im = imagecreatetruecolor($width, $height); $py = 0; for ($y=0; $y<$maxy; $y++) { $px = 0; $size_y = 0; for ($x=0; $x<$maxx; $x++) { if ($tiles[$x][$y]) { $size_x = imagesx($tiles[$x][$y]); $size_y = imagesy($tiles[$x][$y]); imagecopy($im, $tiles[$x][$y], $px, $py, 0, 0, $size_x, $size_y); $px += $size_x; }; }; $py += $size_y; } imagejpeg($im, $filename . '.jpg', 80); debug("Done!"); ?>