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SoundPlayer: Add a 'Bars' audio visualization

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Cesar Torres 2021-03-21 12:50:58 +01:00 • committed by Andreas Kling
parent b02f01843a
commit f6f2f67c56
2 changed files with 203 additions and 0 deletions
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Userland/Applications/SoundPlayer/BarsVisualizationWidget.h Normal file
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/*
* Copyright (c) 2021, Cesar Torres <shortanemoia@protonmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "VisualizationBase.h"
#include <AK/Complex.h>
#include <LibAudio/Buffer.h>
#include <LibGUI/Frame.h>
class BarsVisualizationWidget final : public GUI::Frame
, public Visualization {
C_OBJECT(BarsVisualizationWidget)
public:
~BarsVisualizationWidget() override;
void set_buffer(RefPtr<Audio::Buffer> buffer) override;
private:
void set_buffer(RefPtr<Audio::Buffer> buffer, int samples_to_use);
BarsVisualizationWidget();
void paint_event(GUI::PaintEvent&) override;
void mousedown_event(GUI::MouseEvent& event) override;
Vector<Complex<double>> m_sample_buffer;
Vector<int> m_gfx_falling_bars;
int m_last_id;
int m_sample_count;
bool m_is_using_last;
bool m_adjust_frequencies;
RefPtr<GUI::Menu> m_context_menu;
};