mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 16:07:47 +00:00
Applications: Move to Userland/Applications/
This commit is contained in:
parent
aa939c4b4b
commit
dc28c07fa5
287 changed files with 1 additions and 1 deletions
130
Userland/Applications/Piano/SamplerWidget.cpp
Normal file
130
Userland/Applications/Piano/SamplerWidget.cpp
Normal file
|
@ -0,0 +1,130 @@
|
|||
/*
|
||||
* Copyright (c) 2020, William McPherson <willmcpherson2@gmail.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.
|
||||
*/
|
||||
|
||||
#include "SamplerWidget.h"
|
||||
#include "TrackManager.h"
|
||||
#include <LibGUI/BoxLayout.h>
|
||||
#include <LibGUI/Button.h>
|
||||
#include <LibGUI/FilePicker.h>
|
||||
#include <LibGUI/Label.h>
|
||||
#include <LibGUI/MessageBox.h>
|
||||
#include <LibGUI/Painter.h>
|
||||
|
||||
WaveEditor::WaveEditor(TrackManager& track_manager)
|
||||
: m_track_manager(track_manager)
|
||||
{
|
||||
}
|
||||
|
||||
WaveEditor::~WaveEditor()
|
||||
{
|
||||
}
|
||||
|
||||
int WaveEditor::sample_to_y(double percentage) const
|
||||
{
|
||||
double portion_of_half_height = percentage * ((frame_inner_rect().height() - 1) / 2.0);
|
||||
double y = (frame_inner_rect().height() / 2.0) + portion_of_half_height;
|
||||
return y;
|
||||
}
|
||||
|
||||
void WaveEditor::paint_event(GUI::PaintEvent& event)
|
||||
{
|
||||
GUI::Frame::paint_event(event);
|
||||
|
||||
GUI::Painter painter(*this);
|
||||
painter.fill_rect(frame_inner_rect(), Color::Black);
|
||||
|
||||
auto recorded_sample = m_track_manager.current_track().recorded_sample();
|
||||
if (recorded_sample.is_empty())
|
||||
return;
|
||||
|
||||
double width_scale = static_cast<double>(frame_inner_rect().width()) / recorded_sample.size();
|
||||
|
||||
painter.translate(frame_thickness(), frame_thickness());
|
||||
|
||||
int prev_x = 0;
|
||||
int left_prev_y = sample_to_y(recorded_sample[0].left);
|
||||
int right_prev_y = sample_to_y(recorded_sample[0].right);
|
||||
painter.set_pixel({ prev_x, left_prev_y }, left_wave_colors[RecordedSample]);
|
||||
painter.set_pixel({ prev_x, right_prev_y }, right_wave_colors[RecordedSample]);
|
||||
|
||||
for (size_t x = 1; x < recorded_sample.size(); ++x) {
|
||||
int left_y = sample_to_y(recorded_sample[x].left);
|
||||
int right_y = sample_to_y(recorded_sample[x].right);
|
||||
|
||||
Gfx::IntPoint left_point1(prev_x * width_scale, left_prev_y);
|
||||
Gfx::IntPoint left_point2(x * width_scale, left_y);
|
||||
painter.draw_line(left_point1, left_point2, left_wave_colors[RecordedSample]);
|
||||
|
||||
Gfx::IntPoint right_point1(prev_x * width_scale, right_prev_y);
|
||||
Gfx::IntPoint right_point2(x * width_scale, right_y);
|
||||
painter.draw_line(right_point1, right_point2, right_wave_colors[RecordedSample]);
|
||||
|
||||
prev_x = x;
|
||||
left_prev_y = left_y;
|
||||
right_prev_y = right_y;
|
||||
}
|
||||
}
|
||||
|
||||
SamplerWidget::SamplerWidget(TrackManager& track_manager)
|
||||
: m_track_manager(track_manager)
|
||||
{
|
||||
set_layout<GUI::VerticalBoxLayout>();
|
||||
layout()->set_margins({ 10, 10, 10, 10 });
|
||||
layout()->set_spacing(10);
|
||||
set_fill_with_background_color(true);
|
||||
|
||||
m_open_button_and_recorded_sample_name_container = add<GUI::Widget>();
|
||||
m_open_button_and_recorded_sample_name_container->set_layout<GUI::HorizontalBoxLayout>();
|
||||
m_open_button_and_recorded_sample_name_container->layout()->set_spacing(10);
|
||||
m_open_button_and_recorded_sample_name_container->set_fixed_height(24);
|
||||
|
||||
m_open_button = m_open_button_and_recorded_sample_name_container->add<GUI::Button>();
|
||||
m_open_button->set_fixed_size(24, 24);
|
||||
m_open_button->set_focus_policy(GUI::FocusPolicy::TabFocus);
|
||||
m_open_button->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/open.png"));
|
||||
m_open_button->on_click = [this](auto) {
|
||||
Optional<String> open_path = GUI::FilePicker::get_open_filepath(window());
|
||||
if (!open_path.has_value())
|
||||
return;
|
||||
String error_string = m_track_manager.current_track().set_recorded_sample(open_path.value());
|
||||
if (!error_string.is_empty()) {
|
||||
GUI::MessageBox::show(window(), String::formatted("Failed to load WAV file: {}", error_string.characters()), "Error", GUI::MessageBox::Type::Error);
|
||||
return;
|
||||
}
|
||||
m_recorded_sample_name->set_text(open_path.value());
|
||||
m_wave_editor->update();
|
||||
};
|
||||
|
||||
m_recorded_sample_name = m_open_button_and_recorded_sample_name_container->add<GUI::Label>("No sample loaded");
|
||||
m_recorded_sample_name->set_text_alignment(Gfx::TextAlignment::CenterLeft);
|
||||
|
||||
m_wave_editor = add<WaveEditor>(m_track_manager);
|
||||
m_wave_editor->set_fixed_height(100);
|
||||
}
|
||||
|
||||
SamplerWidget::~SamplerWidget()
|
||||
{
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue