mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-23 08:27:44 +00:00
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*
|
|
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* 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, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program 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 this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "ui_channel.hpp"
|
|
|
|
#include "utility.hpp"
|
|
|
|
#include <algorithm>
|
|
|
|
namespace ui {
|
|
|
|
void Channel::paint(Painter& painter) {
|
|
const auto r = screen_rect();
|
|
|
|
constexpr int db_min = -96;
|
|
constexpr int db_max = 0;
|
|
constexpr int db_delta = db_max - db_min;
|
|
const range_t<int> x_max_range { 0, r.width() - 1 };
|
|
const auto x_max = x_max_range.clip((max_db_ - db_min) * r.width() / db_delta);
|
|
|
|
const Rect r0 { r.left(), r.top(), x_max, r.height() };
|
|
painter.fill_rectangle(
|
|
r0,
|
|
Color::blue()
|
|
);
|
|
|
|
const Rect r1 { r.left() + x_max, r.top(), 1, r.height() };
|
|
painter.fill_rectangle(
|
|
r1,
|
|
Color::white()
|
|
);
|
|
|
|
const Rect r2 { r.left() + x_max + 1, r.top(), r.width() - (x_max + 1), r.height() };
|
|
painter.fill_rectangle(
|
|
r2,
|
|
Color::black()
|
|
);
|
|
}
|
|
|
|
void Channel::on_statistics_update(const ChannelStatistics& statistics) {
|
|
max_db_ = statistics.max_db;
|
|
set_dirty();
|
|
}
|
|
|
|
} /* namespace ui */
|