Resize the image if it size is greater than 500px

classes/imgsize.php

@@ -0,0 +1,91 @@
+<?php
+header ("Content-type: image/jpeg");
+/*
+JPEG / PNG Image Resizer
+Parameters (passed via URL):
+
+img = path / url of jpeg or png image file
+
+percent = if this is defined, image is resized by it's
+          value in percent (i.e. 50 to divide by 50 percent)
+
+w = image width
+
+h = image height
+
+constrain = if this is parameter is passed and w and h are set
+            to a size value then the size of the resulting image
+            is constrained by whichever dimension is smaller
+
+Requires the PHP GD Extension
+
+Outputs the resulting image in JPEG Format
+
+By: Michael John G. Lopez - www.sydel.net
+Filename : imgsize.php
+*/
+
+$img = $_GET['img'];
+$percent = $_GET['percent'];
+$constrain = $_GET['constrain'];
+$w = $_GET['w'];
+$h = $_GET['h'];
+
+// get image size of img
+$x = @getimagesize($img);
+// image width
+$sw = $x[0];
+// image height
+$sh = $x[1];
+
+if ($percent > 0) {
+	// calculate resized height and width if percent is defined
+	$percent = $percent * 0.01;
+	$w = $sw * $percent;
+	$h = $sh * $percent;
+} else {
+	if (isset ($w) AND !isset ($h)) {
+		// autocompute height if only width is set
+		$h = (100 / ($sw / $w)) * .01;
+		$h = @round ($sh * $h);
+	} elseif (isset ($h) AND !isset ($w)) {
+		// autocompute width if only height is set
+		$w = (100 / ($sh / $h)) * .01;
+		$w = @round ($sw * $w);
+	} elseif (isset ($h) AND isset ($w) AND isset ($constrain)) {
+		// get the smaller resulting image dimension if both height
+		// and width are set and $constrain is also set
+		$hx = (100 / ($sw / $w)) * .01;
+		$hx = @round ($sh * $hx);
+
+		$wx = (100 / ($sh / $h)) * .01;
+		$wx = @round ($sw * $wx);
+
+		if ($hx < $h) {
+			$h = (100 / ($sw / $w)) * .01;
+			$h = @round ($sh * $h);
+		} else {
+			$w = (100 / ($sh / $h)) * .01;
+			$w = @round ($sw * $w);
+		}
+	}
+}
+
+$im = @ImageCreateFromJPEG ($img) or // Read JPEG Image
+$im = @ImageCreateFromPNG ($img) or // or PNG Image
+$im = @ImageCreateFromGIF ($img) or // or GIF Image
+$im = false; // If image is not JPEG, PNG, or GIF
+
+if (!$im) {
+	// We get errors from PHP's ImageCreate functions...
+	// So let's echo back the contents of the actual image.
+	readfile ($img);
+} else {
+	// Create the resized image destination
+	$thumb = @ImageCreateTrueColor ($w, $h);
+	// Copy from image source, resize it, and paste to image destination
+	@ImageCopyResampled ($thumb, $im, 0, 0, 0, 0, $w, $h, $sw, $sh);
+	// Output resized image
+	@ImageJPEG ($thumb);
+}
+?>

index.php

@@ -83,8 +83,17 @@
 						$template->mostrarPlantilla();
 						break;
 					case "2":						
+						$fileName = "uploads/".getFileName($register["url"]);
+						
+						$x = @getimagesize($fileName);						
+						if ($x[0] > 500) {							
+							$photoPath = $conf->urlGelato."/classes/imgsize.php?w=500&img=".$register["url"];
+						} else {
+							$photoPath = $register["url"];
+						}
+						
 						$input = array("{Date_Added}", "{Permalink}", "{PhotoURL}", "{PhotoAlt}", "{Caption}", "{URL_Tumble}");
-						$output = array($formatedDate, $permalink, $register["url"], "", $register["description"], $conf->urlGelato);
+						$output = array($formatedDate, $permalink, $photoPath, "", $register["description"], $conf->urlGelato);
 						
 						$template->cargarPlantilla($input, $output, "template_photo");
 						$template->mostrarPlantilla();							   
@@ -147,8 +156,17 @@
 				$template->mostrarPlantilla();
 				break;
 			case "2":
+				$fileName = "uploads/".getFileName($register["url"]);
+						
+				$x = @getimagesize($fileName);						
+				if ($x[0] > 500) {					
+					$photoPath = $conf->urlGelato."/classes/imgsize.php?w=500&img=".$register["url"];
+				} else {
+					$photoPath = $register["url"];
+				}
+				
 				$input = array("{Date_Added}", "{Permalink}", "{PhotoURL}", "{PhotoAlt}", "{Caption}", "{URL_Tumble}");
-				$output = array($formatedDate, $permalink, $register["url"], "", $register["description"], $conf->urlGelato);
+				$output = array($formatedDate, $permalink, $photoPath, "", $register["description"], $conf->urlGelato);
 				
 				$template->cargarPlantilla($input, $output, "template_photo");
 				$template->mostrarPlantilla();