89 lines
1.7 KiB
PHP
89 lines
1.7 KiB
PHP
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<?php
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if(empty($_REQUEST['debug'])){
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error_reporting(1);
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header("Content-Type: image/png");
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}
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require_once("src/image-lib.php");
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$defaults = array(
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"src" => "images/square.png",
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// skew: one of left, right otherwise doesn't skew
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"skew" => "none",
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"reflect" => "1",
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"angle" => 10,
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"spread" => 0.75,
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"decay" => 25,
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"spacing" => 0,
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"refdir" => 1,
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"thumbsize" => 100,
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"greyscale" => 0
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);
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forEach($defaults as $key => $pair){
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$$key = (empty($_REQUEST[$key]) ? $pair : $_REQUEST[$key]);
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}
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$cachefile = "cache/" . md5(
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$src .
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$skew .
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$reflect .
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$angle .
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$spread .
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$decay .
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$spacing .
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$refdir .
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$thumbsize .
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$greyscale
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) . ".png";
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if(file_exists($cachefile)){
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$mod = filemtime($cachefile);
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$cached = !empty($_SERVER['HTTP_IF_MODIFIED_SINCE']);
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$resp = $cached ? 304 : 200;
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header("Last-Modified: " . gmdate('D, d M Y H:i:s', $mod) . "GMT", true, $resp);
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if(!$cached){
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header("Content-Length: " . filesize($cachefile));
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if($fp = fopen($cachefile, "r")){
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while(!feof($fp)){
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print fgets($fp, 2048);
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}
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}
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}
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exit;
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}else{
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$ext = strtolower(substr($src, -3, 3));
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switch($ext){
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case "png" : $image = imagecreatefrompng($src); break;
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case "jpg" : $image = imagecreatefromjpeg($src); break;
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}
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if(!empty($image)){
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$im = imageReflect(imageSquareThumb(($greyscale==1 ? imageGreyscale($image) : $image), $thumbsize), $refdir, $spread, $decay, $spacing);
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$dir = false;
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switch($skew){
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case "left" : $dir = 1; break;
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case "right" : $dir = 2; break;
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}
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if($dir){
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$display = imageSkew($im, $angle, $dir - 1);
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}else{
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$display = $im;
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}
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imagepng($display, $cachefile);
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imagepng($display);
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}
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}
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?>
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