codice:
$(document).ready(function() {
$("input[name='ImageFile']").change(function(){
$('#UploadForm').submit();
});
//elements
var progressbox = $('#progressbox');
var progressbar = $('#progressbar');
var statustxt = $('#statustxt');
var myform = $("#UploadForm");
var output = $("#output");
var completed = '0%';
$(myform).ajaxForm({
beforeSend: function() { //brfore sending form
statustxt.empty();
progressbox.show(); //show progressbar
progressbar.width(completed); //initial value 0% of progressbar
},
uploadProgress: function(event, position, total, percentComplete) { //on progress
progressbar.width(percentComplete + '%') //update progressbar percent complete
},
complete: function(response) { // on complete
output.html(response.responseText); //update element with received data
myform.resetForm(); // reset form
progressbox.hide(); // hide progressbar
statustxt.html('Select photo'); //set status text
var lacacca = output.find('img').attr('src');
$('#mask-a').attr('onclick', 'closeEverything("' + lacacca + '");');
$('#postit').attr('action', 'photo.php?url=' + lacacca);
setTimeout(function() {
$('#wrap').masonry( 'reload');
}, 500);
}
});
return false;
});
questa la pagina dove si esegue l'upload
Codice PHP:
<noscript>
<div align="center">[url="index.php"]Go Back To Upload Form[/url]</div>
</noscript>
<?php
if(isset($_POST))
{
//settaggi
$ThumbSquareSize = 600;
$BigImageMaxSize = 640;
$ThumbPrefix = "temp_";
$DestinationDirectory = 'file_temp/';
$Quality = 90;
if(!isset($_FILES['ImageFile']) || !is_uploaded_file($_FILES['ImageFile']['tmp_name']))
{
die('Something went wrong with Upload!');
}
//verifico formato
$RandomNumber = rand(0, 9999999999);
$ImageName = str_replace(' ','-',strtolower($_FILES['ImageFile']['name']));
$ImageSize = $_FILES['ImageFile']['size'];
$TempSrc = $_FILES['ImageFile']['tmp_name'];
$ImageType = $_FILES['ImageFile']['type'];
switch(strtolower($ImageType))
{
case 'image/png':
$CreatedImage = imagecreatefrompng($_FILES['ImageFile']['tmp_name']);
break;
case 'image/gif':
$CreatedImage = imagecreatefromgif($_FILES['ImageFile']['tmp_name']);
break;
case 'image/jpeg':
case 'image/pjpeg':
$CreatedImage = imagecreatefromjpeg($_FILES['ImageFile']['tmp_name']);
break;
default:
die('Unsupported File!');
}
//recupero informazioni
list($CurWidth,$CurHeight)=getimagesize($TempSrc);
$ImageExt = substr($ImageName, strrpos($ImageName, '.'));
$ImageExt = str_replace('.','',$ImageExt);
$ImageName = preg_replace("/\\.[^.\\s]{3,4}$/", "", $ImageName);
$NewImageName = $RandomNumber.'.'.$ImageExt;
$thumb_DestRandImageName = $DestinationDirectory.$ThumbPrefix.$NewImageName;
$DestRandImageName = $DestinationDirectory.$NewImageName;
//creo immagine
if(resizeImage($CurWidth,$CurHeight,$BigImageMaxSize,$DestRandImageName,$CreatedImage,$Quality,$ImageType))
{
if(!cropImage($CurWidth,$CurHeight,$ThumbSquareSize,$thumb_DestRandImageName,$CreatedImage,$Quality,$ImageType))
{
echo 'Error Creating thumbnail';
}
list($ResizedWidth,$ResizedHeight)=getimagesize($DestRandImageName); ?>
<div class="thumbphoto" onclick="stampa('<? echo $DestRandImageName ?>');">
[img]file_temp/<? echo $ThumbPrefix.$NewImageName ?>[/img]
</div>
<?
}else{
die('Resize Error');
}
}
//resize
function resizeImage($CurWidth,$CurHeight,$MaxSize,$DestFolder,$SrcImage,$Quality,$ImageType)
{
if($CurWidth <= 0 || $CurHeight <= 0)
{
return false;
}
$ImageScale = min($MaxSize/$CurWidth, $MaxSize/$CurHeight);
$NewWidth = ceil($ImageScale*$CurWidth);
$NewHeight = ceil($ImageScale*$CurHeight);
if($CurWidth < $NewWidth || $CurHeight < $NewHeight)
{
$NewWidth = $CurWidth;
$NewHeight = $CurHeight;
}
$NewCanves = imagecreatetruecolor($NewWidth, $NewHeight);
if(imagecopyresampled($NewCanves, $SrcImage,0, 0, 0, 0, $NewWidth, $NewHeight, $CurWidth, $CurHeight))
{
switch(strtolower($ImageType))
{
case 'image/png':
imagepng($NewCanves,$DestFolder);
break;
case 'image/gif':
imagegif($NewCanves,$DestFolder);
break;
case 'image/jpeg':
case 'image/pjpeg':
imagejpeg($NewCanves,$DestFolder,$Quality);
break;
default:
return false;
}
if(is_resource($NewCanves)) {imagedestroy($NewCanves);}
return true;
}
}
//crop
function cropImage($CurWidth,$CurHeight,$iSize,$DestFolder,$SrcImage,$Quality,$ImageType)
{
if($CurWidth <= 0 || $CurHeight <= 0)
{
return false;
}
if($CurWidth>$CurHeight)
{
$y_offset = 0;
$x_offset = ($CurWidth - $CurHeight) / 2;
$square_size = $CurWidth - ($x_offset * 2);
}else{
$x_offset = 0;
$y_offset = ($CurHeight - $CurWidth) / 2;
$square_size = $CurHeight - ($y_offset * 2);
}
$NewCanves = imagecreatetruecolor($iSize, $iSize);
if(imagecopyresampled($NewCanves, $SrcImage,0, 0, $x_offset, $y_offset, $iSize, $iSize, $square_size, $square_size))
{
switch(strtolower($ImageType))
{
case 'image/png':
imagepng($NewCanves,$DestFolder);
break;
case 'image/gif':
imagegif($NewCanves,$DestFolder);
break;
case 'image/jpeg':
case 'image/pjpeg':
imagejpeg($NewCanves,$DestFolder,$Quality);
break;
default:
return false;
}
if(is_resource($NewCanves)) {imagedestroy($NewCanves);}
return true;
}
}
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