Line data    Source code

       1              : /*
       2              :  * SPDX-License-Identifier: GPL-3.0-only
       3              :  * MuseScore-Studio-CLA-applies
       4              :  *
       5              :  * MuseScore Studio
       6              :  * Music Composition & Notation
       7              :  *
       8              :  * Copyright (C) 2026 MuseScore Limited and others
       9              :  *
      10              :  * This program is free software: you can redistribute it and/or modify
      11              :  * it under the terms of the GNU General Public License version 3 as
      12              :  * published by the Free Software Foundation.
      13              :  *
      14              :  * This program is distributed in the hope that it will be useful,
      15              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17              :  * GNU General Public License for more details.
      18              :  *
      19              :  * You should have received a copy of the GNU General Public License
      20              :  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
      21              :  */
      22              : 
      23              : #pragma once
      24              : 
      25              : #include "draw/types/geometry.h"
      26              : 
      27              : namespace mu::notation {
      28              : class OffsetUtils
      29              : {
      30              : public:
      31              :     /**
      32              :      * Converts a vertical offset between the internal convention (negative = up, positive = down)
      33              :      * and the displayed one (positive = up, negative = down).
      34              :      */
      35            0 :     static double flipSign(double v)
      36              :     {
      37              :         // Uses 0.0 - v rather than -v so that zero doesn't become -0
      38            0 :         return 0.0 - v;
      39              :     }
      40              : 
      41            0 :     static muse::PointF flipYSign(const muse::PointF& p)
      42              :     {
      43            0 :         return muse::PointF(p.x(), flipSign(p.y()));
      44              :     }
      45              : };
      46              : }