view base/ZoomLevel.cpp @ 1532:5360f7aba189 zoom

Pull out ZoomLevel, add inexact frame/pixel conversion functions and streaming

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#include "ZoomLevel.h"

std::ostream &operator<<(std::ostream &s, const ZoomLevel &z) {
    if (z.zone == ZoomLevel::PixelsPerFrame) {
        s << "1/" << z.level;
    } else {
        s << z.level;
    }
    return s;
}