SoundPlayer: Add a 'Bars' audio visualization

1 files changed, 55 insertions, 0 deletions

diff --git a/Userland/Applications/SoundPlayer/BarsVisualizationWidget.h b/Userland/Applications/SoundPlayer/BarsVisualizationWidget.h
new file mode 100644
index 0000000000..914c2a115c
--- /dev/null
+++ b/Userland/Applications/SoundPlayer/BarsVisualizationWidget.h
@@ -0,0 +1,55 @@
+/*
+ * 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;
+};