mirror of
https://github.com/eried/portapack-mayhem.git
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117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __UI_SPECTRUM_H__
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#define __UI_SPECTRUM_H__
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#include "ui.hpp"
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#include "ui_widget.hpp"
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#include "event_m0.hpp"
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#include "message.hpp"
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#include <cstdint>
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#include <cstddef>
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namespace ui {
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namespace spectrum {
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class FrequencyScale : public Widget {
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public:
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void on_show() override;
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void set_spectrum_sampling_rate(const int new_sampling_rate);
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void set_channel_filter(const int pass_frequency, const int stop_frequency);
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void paint(Painter& painter) override;
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private:
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static constexpr int filter_band_height = 4;
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int spectrum_sampling_rate { 0 };
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const int spectrum_bins = std::tuple_size<decltype(ChannelSpectrum::db)>::value;
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int channel_filter_pass_frequency { 0 };
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int channel_filter_stop_frequency { 0 };
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void clear();
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void clear_background(Painter& painter, const Rect r);
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void draw_frequency_ticks(Painter& painter, const Rect r);
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void draw_filter_ranges(Painter& painter, const Rect r);
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};
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class WaterfallView : public Widget {
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public:
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void on_show() override;
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void on_hide() override;
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void paint(Painter& painter) override;
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void on_channel_spectrum(const ChannelSpectrum& spectrum);
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private:
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void clear();
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};
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class WaterfallWidget : public View {
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public:
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WaterfallWidget();
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void on_show() override;
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void on_hide() override;
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void set_parent_rect(const Rect new_parent_rect) override;
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void paint(Painter& painter) override;
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private:
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WaterfallView waterfall_view;
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FrequencyScale frequency_scale;
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ChannelSpectrumFIFO* fifo { nullptr };
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MessageHandlerRegistration message_handler_spectrum_config {
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Message::ID::ChannelSpectrumConfig,
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[this](const Message* const p) {
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const auto message = *reinterpret_cast<const ChannelSpectrumConfigMessage*>(p);
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this->fifo = message.fifo;
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}
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};
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MessageHandlerRegistration message_handler_frame_sync {
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Message::ID::DisplayFrameSync,
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[this](const Message* const) {
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if( this->fifo ) {
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ChannelSpectrum channel_spectrum;
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while( fifo->out(channel_spectrum) ) {
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this->on_channel_spectrum(channel_spectrum);
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}
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}
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}
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};
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void on_channel_spectrum(const ChannelSpectrum& spectrum);
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};
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} /* namespace spectrum */
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} /* namespace ui */
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#endif/*__UI_SPECTRUM_H__*/
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