keyindexscaledraw.cpp

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/*****************************************************************************
 * Copyright 2015 Haye Hinrichsen, Christoph Wick
 *
 * This file is part of Entropy Piano Tuner.
 *
 * Entropy Piano Tuner 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 3 of the License, or (at your
 * option) any later version.
 *
 * Entropy Piano Tuner 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * Entropy Piano Tuner. If not, see http://www.gnu.org/licenses/.
 *****************************************************************************/

#include "keyindexscaledraw.h"
#include <QPainter>

KeyIndexScaleDraw::KeyIndexScaleDraw()
{

}

void KeyIndexScaleDraw::drawLabel(QPainter *p, double val) const {
    int index = static_cast<int>(val + 0.5);

    p->translate(-mKeyWidth / 2, 0);

    if ((index - 1) % 12 == 0) {
        QwtScaleDraw::drawLabel(p, val);
    }

    p->translate(mKeyWidth / 2, 0);
}