Hi all, I’m creating a little node.js app (for test) that get image from a
FORM, save it in a directory and create a thumbnail version.
Form and upload works with no problem, but I can not create the thumbnail.
This is my code:
app.post('/upload', function (req, res) {
var tempPath = req.files.file.path,
name = '',
targetPath = '';
fileExist = true;
fileNumber = 0;
var fileType = path.extname(req.files.file.name);
var fileName = path.basename(req.files.file.name,fileType);
while (fileExist) {
fileNumber_str = fileNumber.toString();
var current = fileName + "_" +fileNumber_str + fileType;
console.log("Controllo per "+current);
if (fs.existsSync(__dirname + "/images/orig/" + current)) {
console.log("--> Esiste");
fileNumber++;
} else {
var newPath = __dirname + "/images/orig/" + current;
console.log("nuovo nome : "+newPath);
fs.rename(tempPath, newPath, function(err) {
if (err) throw err;
//Ora creo il thumb
var newPathT = __dirname + "/images/thumb/" + current;
gd.openPng([newPath],function(png,path){
if(png) {
var w = Math.floor(png.width/2), h =
Math.floor(png.height/2);
var target_png = gd.createTrueColor(w, h);
png.copyResampled(target_png,0,0,0,0,w,h,png.width,png.height);
target_png.savePng(newPathT, 1, gd.noop);
}
else {
console.log("no png");
console.log(png);
console.log(path);
}
});
console.log("Upload completed!");
});
break;
}
}
res.redirect("/");
res.end();
});
The function gd.open(…) set always “png” variables to “undefined”. I don’t
understand where is my error.
Thanks in advance and sorry for my bad english.
M.
--
Michel 'ZioBudda' Morelli [email protected]
Sviluppo applicazioni CMS DRUPAL e web dinamiche (LAMP+Ajax)
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