cacert-testmgr/external/ZendFramework-1.9.5/externals/dojo/demos/skew/imageReflect.php

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