Php > Graphics

Extended EPS Information

Extended EPS Information

<?php

<html>
<head>
<title>EPSInfo</title>
</head>
<body>
<table border="0" width="80%" cellspacing="2" cellpadding="0">
<tr bgcolor="#cccccc">
<th>Name</th><th>Width</th><th>Height</th><th>Resolution</th><th>Mode</th></tr>
<?php

// read EPS data of given filename
function read_eps($img){
	$fp=fopen ($img, "rb");
	$buffer = fread($fp, 4096);												// assume information is in first 4096 bytes
	if (!preg_match("/ImageData:[^\"]*\"/",$buffer ,$imgdataln)) {			// if not, try first 10kbyte
			fclose($fp);
			$fp=fopen ($img, "rb");
			$buffer = fread($fp, 100000);
			if (!preg_match("/ImageData:[^\"]*\"/",$buffer ,$imgdataln)) {	// if still not found, try whole file
				fclose($fp);
				$fp=fopen ($img, "rb");
				$buffer = fread($fp,filesize($img));
				preg_match("/ImageData:[^\"]*\"/",$buffer ,$imgdataln);
			}
	}
	  $imgdata=split(" ", $imgdataln[0]);									// Read image width and height
	if (preg_match("/BoundingBox:[^\"]*\"/",$buffer ,$imgdataln2)) {
	  $imgdata2=split(" ", $imgdataln2[0]);									// Read Bounding data
	}
	if (preg_match("/DocumentProcessColors:[^\"]*\"/",$buffer ,$imgdataln3)) {
	  $imgcolour=split(" ", $imgdataln3[0]);								//Read Color format
	}
	fclose ($fp);

	$imgwidth=$imgdata[1];													// get image width
	$imgheight=$imgdata[2];													// get image height
	if ($imgdata2[3] > 0) {
		$imgres=(72/$imgdata2[3])*$imgdata[1];}								// calculate image resolution in dpi
		if ((290 < $imgres) and ($imgres < 310)) {$imgres=300;}				// make it look like 300 dpi
	if ($imgcolour[1]=="Cyan") {
		$imgcolor = "CMYK";													// make Color look like CMYK
	} else {
		$imgcolor = "no CMYK information found";
	}

	if ($imgwidth[1]=='') {
		$bgcolor='#FFAAAA'; }
	else {
		$bgcolor='#AAFFAA';
	}
    print "<tr bgcolor='$bgcolor'><td>".$img."</td>\n";						// print tablerow
	print "<td align=\"right\">".$imgwidth." px</td>\n";
	print "<td align=\"right\">".$imgheight." px</td>\n";
	print "<td>".round($imgres)." dpi</td>\n";
	print "<td>".$imgcolor."</td>\n";
}

chdir($img_path);															// first move to image path
$fh = opendir(".");															// open filehandle
while (($filen = readdir($fh)) !== false)									// read all files in folder
 {
    if (($filen != ".") && ($filen != ".."))
    {
		read_eps($filen);
	}
 }
closedir($fh);
?>
</table>
</body>
</html>