A somewhat updated fork from GraphicsMagick for node
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var fs = require("fs");
module.exports = function (proto) {
proto.avatar = function avatar (name, callback) {
var self = this;
self.size(function (err, size) {
if (err) {
return callback.apply(self, arguments);
}
self.original = self.source;
self.source = '';
self
.in("-size", size.width + "x" + size.height)
.in("xc:#ffffff00")
.drawCircle(size.width / 2, size.height / 2, size.width / 6, size.height / 6)
.write('mask.png', function(err)
{
if (err) {
return callback.apply(self, arguments);
}
self
.subCommand("composite")
.in('-compose', 'In', self.original, 'mask.png')
.write(name, function(err)
{
fs.unlink("mask.png");
if (err) {
return callback.apply(self, arguments);
}
callback.apply(self, arguments);
});
});
});
return self;
};
};