Clone in a terminal:
ZoomView.vala
/*
	Copyright (C) 2012 Johan Mattsson

	This library is free software; you can redistribute it and/or modify 
	it under the terms of the GNU Lesser General Public License as 
	published by the Free Software Foundation; either version 3 of the 
	License, or (at your option) any later version.

	This library is distributed in the hope that it will be useful, but 
	WITHOUT ANY WARRANTY; without even the implied warranty of 
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
	Lesser General Public License for more details.
*/

namespace BirdFont {

class ZoomView : GLib.Object {
	public double x;
	public double y;
	public double zoom;
	public WidgetAllocation allocation;
	
	public ZoomView (double x, double y, double zoom, WidgetAllocation allocation) {
		this.x = x;
		this.y = y;
		this.zoom = zoom;
		this.allocation = allocation;
	}
}

}

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Email: johan.mattsson.m@gmail.com
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