Kód: Vybrať všetko

<?php
error_reporting (E_ALL ^ E_NOTICE);
session_start(); //Do not remove this
$id_hotel = $_GET['id_hotel'];
$action = $_GET['action'];
//Constants
//You can alter these options
switch($action){
		case '1'	:	$upload_dir = "hotel".$id_hotel; 			// The directory for the images to be saved in
						$upload_path = $upload_dir."/";								// The path to where the image will be saved
						$large_image_prefix = "resize_main"; 						// The prefix name to large image
						$middle_image_prefix = "middle_main";						// The prefix name to the thumb image
						$max_width = "800";												// Max width allowed for the large image
						$middle_width = "356";											// Width of middle image
						$middle_height = "234";											// Height of middle image
						/****udaje pre 3 obrazok*****/
						$thumb_width = "136";											// Height of thumbnail image
						/****udaje pre 3 obrazok*****/
}
$large_image_name = $large_image_prefix.".jpg";     // New name of the large image (append the timestamp to the filename)
$middle_image_name = $middle_image_prefix.".jpg";     // New name of the thumbnail image (append the timestamp to the filename)
$max_file = "3"; 							


//Image functions
//You do not need to alter these functions
function resizeImage($image,$width,$height,$scale) {
	$newImageWidth = ceil($width * $scale);
	$newImageHeight = ceil($height * $scale);
	$newImage = imagecreatetruecolor($newImageWidth,$newImageHeight);
	$source = imagecreatefromjpeg($image);
	imagecopyresampled($newImage,$source,0,0,0,0,$newImageWidth,$newImageHeight,$width,$height);
	imagejpeg($newImage,$image,90);
	chmod($image, 0777);
	return $image;
}
//You do not need to alter these functions
function resizeMiddleImage($middle_image_name, $image, $width, $height, $start_width, $start_height, $scale){
	$newImageWidth = ceil($width * $scale);
	$newImageHeight = ceil($height * $scale);
	$newImage = imagecreatetruecolor($newImageWidth,$newImageHeight);
	$source = imagecreatefromjpeg($image);
	imagecopyresampled($newImage,$source,0,0,$start_width,$start_height,$newImageWidth,$newImageHeight,$width,$height);
	imagejpeg($newImage,$middle_image_name,90);
	chmod($middle_image_name, 0777);
	return $middle_image_name;
}
//You do not need to alter these functions
function getHeight($image) {
	$sizes = getimagesize($image);
	$height = $sizes[1];
	return $height;
}
//You do not need to alter these functions
function getWidth($image) {
	$sizes = getimagesize($image);
	$width = $sizes[0];
	return $width;
}

//Image Locations
$large_image_location = $upload_path.$large_image_name;
$middle_image_location = $upload_path.$middle_image_name;

//Create the upload directory with the right permissions if it doesn't exist
if(!is_dir($upload_dir)){
	mkdir($upload_dir, 0777);
	chmod($upload_dir, 0777);
}

//Check to see if any images with the same names already exist
if (file_exists($large_image_location)){
	if(file_exists($middle_image_location)){
		$middle_photo_exists = "<img src=\"".$upload_path.$middle_image_name."\" alt=\"Thumbnail Image\"/>";
	}else{
		$middle_photo_exists = "";
	}
   	$large_photo_exists = "<img src=\"".$upload_path.$large_image_name."\" alt=\"Large Image\"/>";
} else {
   	$large_photo_exists = "";
	$middle_photo_exists = "";
}

if (isset($_POST["upload"])) { 
	//Get the file information
	$userfile_name = $_FILES['image']['name'];
	$userfile_tmp = $_FILES['image']['tmp_name'];
	$userfile_size = $_FILES['image']['size'];
	$filename = basename($_FILES['image']['name']);
	$file_ext = substr($filename, strrpos($filename, '.') + 1);
	
	//Only process if the file is a JPG and below the allowed limit
	if((!empty($_FILES["image"])) && ($_FILES['image']['error'] == 0)) {
		if (($file_ext!="jpg") || ($userfile_size > ($max_file*1048576))) { // UPDATED ERROR CHECK
			$error= "Iba jpeg súbory s veľkosťou menšou ako ".$max_file."MB su povolené";
		}
	}else{
		$error= "Vyberte obrázok typu jpeg(jpg) pre nahratie";
	}
	//Everything is ok, so we can upload the image.
	if (strlen($error)==0){
		
		if (isset($_FILES['image']['name'])){
			
			move_uploaded_file($userfile_tmp, $large_image_location);
			chmod($large_image_location, 0777);
			
			$width = getWidth($large_image_location);
			$height = getHeight($large_image_location);
			//Scale the image if it is greater than the width set above
			if ($width > $max_width){
				$scale = $max_width/$width;
				$uploaded = resizeImage($large_image_location,$width,$height,$scale);
			}else{
				$scale = 1;
				$uploaded = resizeImage($large_image_location,$width,$height,$scale);
			}
			//Delete the thumbnail file so the user can create a new one
			if (file_exists($middle_image_location)) {
				unlink($middle_image_location);
			}
		}
		//Refresh the page to show the new uploaded image
		header("location:".$_SERVER["PHP_SELF"]."?id_hotel=".$id_hotel."&action=".$action);
		exit();
	}
}

if (isset($_POST["upload_middle"]) && strlen($large_photo_exists)>0) {
	//Get the new coordinates to crop the image.
	$x1 = $_POST["x1"];
	$y1 = $_POST["y1"];
	$x2 = $_POST["x2"];
	$y2 = $_POST["y2"];
	$w = $_POST["w"];
	$h = $_POST["h"];
	//Scale the image to the thumb_width set above
	$scale = $middle_width/$w;
	$cropped = resizeMiddleImage($middle_image_location, $large_image_location,$w,$h,$x1,$y1,$scale);
	//Reload the page again to view the thumbnail
	header("location:".$_SERVER["PHP_SELF"]."?id_hotel=".$id_hotel."&action=".$action);
	exit();
}


if ($_GET['a']=="delete"){
//get the file locations 
	$large_image_location = $upload_path.$large_image_prefix.".jpg";
	$middle_image_location = $upload_path.$middle_image_prefix.".jpg";
	if (file_exists($large_image_location)) {
		unlink($large_image_location);
	}
	if (file_exists($middle_image_location)) {
		unlink($middle_image_location);
	}
	header("location:".$_SERVER["PHP_SELF"]."?id_hotel=".$id_hotel."&action=".$action);
	exit(); 
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<script type="text/javascript" src="js/jquery-1.4.min.js"></script>
	<script type="text/javascript" src="js/jquery.imgareaselect.min.js"></script>
	<script >
	function showInfo(){
		img = '<img src="subory/images/loading_upload.gif" border="0">';
		document.getElementById("showInfoDiv").innerHTML = img + "vydžte prosím, obrázok sa pripravuje k dalšiemu použitiu";
	}
	</script>
</head>
<body>
<?php
//Only display the javacript if an image has been uploaded
if(strlen($large_photo_exists)>0){
	$current_large_image_width = getWidth($large_image_location);
	$current_large_image_height = getHeight($large_image_location);?>
<script type="text/javascript">
function preview(img, selection) { 
	var scaleX = <?php echo $middle_width;?> / selection.width; 
	var scaleY = <?php echo $middle_height;?> / selection.height; 
	
	$('#middle + div > img').css({ 
		width: Math.round(scaleX * <?php echo $current_large_image_width;?>) + 'px', 
		height: Math.round(scaleY * <?php echo $current_large_image_height;?>) + 'px',
		marginLeft: '-' + Math.round(scaleX * selection.x1) + 'px', 
		marginTop: '-' + Math.round(scaleY * selection.y1) + 'px' 
	});
	$('#x1').val(selection.x1);
	$('#y1').val(selection.y1);
	$('#x2').val(selection.x2);
	$('#y2').val(selection.y2);
	$('#w').val(selection.width);
	$('#h').val(selection.height);
} 

$(document).ready(function () { 
	$('#save_middle').click(function() {
		var x1 = $('#x1').val();
		var y1 = $('#y1').val();
		var x2 = $('#x2').val();
		var y2 = $('#y2').val();
		var w = $('#w').val();
		var h = $('#h').val();
		if(x1=="" || y1=="" || x2=="" || y2=="" || w=="" || h==""){
			alert("You must make a selection first");
			return false;
		}else{
			return true;
		}
	});
}); 

$(window).load(function () { 
	$('#middle').imgAreaSelect({ aspectRatio: '1:<?php echo $middle_height/$middle_width;?>', onSelectChange: preview }); 
});

</script>
<?php }?>
<h1>Photo Upload and Crop</h1>
<?php
//Display error message if there are any
if(strlen($error)>0){
	echo "<ul><li><strong>Error!</strong></li><li>".$error."</li></ul>";
}
if(strlen($large_photo_exists)>0 && strlen($middle_photo_exists)>0){
	echo $large_photo_exists."&nbsp;".$middle_photo_exists;
	echo "<p><a href=\"".$_SERVER["PHP_SELF"]."?id_hotel=".$id_hotel."&action=".$action."&a=delete\">Odstrániť / nahrať iný</a></p>";
}else{
		if(strlen($large_photo_exists)>0){?>
		<h2>Create Thumbnail</h2>
		<div align="center">
			<img src="<?php echo $upload_path.$large_image_name;?>" style="float: left; margin-right: 10px;" id="middle" alt="Create Thumbnail" />
			<div style="float:left; position:relative; overflow:hidden; width:<?php echo $middle_width;?>px; height:<?php echo $middle_height;?>px;">
				<img src="<?php echo $upload_path.$large_image_name;?>" style="position: relative;" alt="Thumbnail Preview" />
			</div>
			<br style="clear:both;"/>
			<form name="middle" action="<?php echo $_SERVER["PHP_SELF"]."?id_hotel=".$id_hotel."&action=".$action;?>" method="post">
				<input type="hidden" name="x1" value="" id="x1" />
				<input type="hidden" name="y1" value="" id="y1" />
				<input type="hidden" name="x2" value="" id="x2" />
				<input type="hidden" name="y2" value="" id="y2" />
				<input type="hidden" name="w" value="" id="w" />
				<input type="hidden" name="h" value="" id="h" />
				<input type="submit" name="upload_middle" value="Uložiť náhľad" id="save_middle" />
			</form>
		</div>
	<hr />
	<?php 	} 
	if(strlen($large_photo_exists)>0){
		echo "<h2>Nahrať iný obrázok</h2>";
	}
	else{
		echo "<h2>Nahrať obrázok</h2>";
	}
?>
	
	<form name="photo" enctype="multipart/form-data" action="<?php echo $_SERVER["PHP_SELF"]."?id_hotel=".$id_hotel."&action=".$action;?>" method="post">
	obrázok <input type="file" name="image" size="30" /> <input type="submit" name="upload" value="Nahrať obrázok" onclick="showInfo()"/>
	</form>
	<?php echo '<div id="showInfoDiv"></div>';?>
<?php } ?><br>
<a href="registracia_hotel.php?id_hotel=<?php echo $id_hotel?>">späť do profilu</a>
</body>
</html>

Kód: Vybrať všetko

	$filename = $middle_image_location;
	$percent = $thumb_width/$middle_width;

	list($widtht, $heightt) = getimagesize($filename);
	$new_widtht = $thumb_width;
	$new_heightt = $middle_height * $percent;

	$image_p = imagecreatetruecolor($new_widtht, $new_heightt);
	$image = imagecreatefromjpeg($filename);
	imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_widtht, $new_heightt, $widtht, $heightt);

	imagejpeg($image_p, $thumb_image_location, 100);