convert: function()
{
var convertParams = ['-size', '', 'xc:' + this.options.background, '-strip'];
var size = this.size = { w: 0, h: 0 };
var block;
var outputFile = this.options.outfile;
for(var i = 0 ; i < this.blocks.length ; i++)
{
block = this.blocks[i];
if(block.fit)
{
if(block.fit.x + block.w > size.w) size.w = block.fit.x + block.w;
if(block.fit.y + block.h > size.h) size.h = block.fit.y + block.h;
convertParams.push(block.filePath);
convertParams.push('-geometry');
convertParams.push('+' + (block.fit.x + this.options.padding) + '+' + (block.fit.y + this.options.padding));
convertParams.push('-composite');
}
}
convertParams[1] = size.w + 'x' + size.h;
if('quality' in this.options)
{
convertParams.push('-quality');
convertParams.push(this.options.quality);
}
convertParams.push(this.options.format + ':' + outputFile);
im.convert(convertParams, this.convertDone.bind(this));
},
}, function (err, stdout, stderr) {
if (err) {
winston.err(err);
res.send({
error: 'Invalid image file!'
});
return;
}
var imageUrl = nconf.get('upload_url') + filename;
user.setUserField(uid, 'uploadedpicture', imageUrl);
user.setUserField(uid, 'picture', imageUrl);
if (convertToPNG) {
im.convert([uploadPath, 'png:-'],
function(err, stdout){
if (err) {
winston.err(err);
res.send({
error: 'Unable to convert image to PNG.'
});
return;
}
fs.writeFileSync(uploadPath, stdout, 'binary');
});
}
res.json({
path: imageUrl
});
});
is.on('end', function () {
fs.unlinkSync(tempPath);
function done(err) {
if (err) {
winston.err(err);
res.send({
error: 'Invalid image file!'
});
return;
}
var imageUrl = nconf.get('upload_url') + filename;
user.setUserField(uid, 'uploadedpicture', imageUrl);
user.setUserField(uid, 'picture', imageUrl);
if (convertToPNG && extension !== '.png') {
im.convert([uploadPath, 'png:-'], function(err, stdout) {
if (err) {
winston.err(err);
res.send({
error: 'Unable to convert image to PNG.'
});
return;
}
fs.writeFileSync(uploadPath, stdout, 'binary');
res.json({
path: imageUrl
});
});
} else {
res.json({
path: imageUrl
});
}
}
if(extension === '.gif') {
im.convert([uploadPath, '-coalesce', '-repage', '0x0', '-crop', '128x128+0+0', '+repage', 'uploadPath'], function(err, stdout) {
done(err);
});
} else {
im.crop({
srcPath: uploadPath,
dstPath: uploadPath,
width: 128,
height: 128
}, function (err, stdout, stderr) {
done(err);
});
}
});