resources/rating.php

@@ -0,0 +1,36 @@
+<?php
+    
+    /*
+     *    
+     *    
+     */
+    
+   if( !isset($_GET['r']) || (float)$_GET['r'] < 0.0 || 10.0 < (float)$_GET['r'] ) {
+    	header("HTTP/1.0 500 Illegal Parameter", true, 500);
+    	die();
+	}
+	
+	$rating = (float)$_GET['r'] / 10;
+    
+    // Load in the two images
+    $bg = imagecreatefrompng( "rating_bg.png" );
+    $fg = imagecreatefrompng( "rating_fg.png" );
+    
+    // Find the size of the source images
+    $width = imagesx( $bg );
+    $height = imagesy( $bg );
+    
+    // Modify the width to crop to the required percentage
+    $fgwidth = $rating * $width;
+    
+    // Crop the foreground to the desired width, copying it over the background
+    imagecopyresampled( $bg, $fg, 0, 0, 0, 0, $fgwidth, $height, $fgwidth, $height );
+    
+    // Send the correct image content type header
+    header("Content-Type: image/png");
+    
+    // Send the new combined image
+    imagepng( $bg );
+    
+    
+?>