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/* -*- Mode: c++ -*- */
/***************************************************************************
* humaniservisualiser.cc
*
* Fri Jun 15 19:09:18 CEST 2018
* Copyright 2018 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "humaniservisualiser.h"
#include "painter.h"
#include <notifier.h>
#include <settings.h>
#include <hugin.hpp>
HumaniserVisualiser::HumaniserVisualiser(GUI::Widget* parent,
Settings& settings,
SettingsNotifier& settings_notifier)
: GUI::Widget(parent)
, canvas(this, settings, settings_notifier)
{
canvas.move(7, 7);
}
void HumaniserVisualiser::repaintEvent(GUI::RepaintEvent *repaintEvent)
{
GUI::Painter p(*this);
box.setSize(width(), height());
p.drawImage(0, 0, box);
}
void HumaniserVisualiser::resize(std::size_t width, std::size_t height)
{
Widget::resize(width, height);
if(width < 14 || height < 14)
{
canvas.resize(1, 1);
return;
}
canvas.resize(width - 14, height - 14);
}
HumaniserVisualiser::Canvas::Canvas(GUI::Widget* parent,
Settings& settings,
SettingsNotifier& settings_notifier)
: GUI::Widget(parent)
, settings_notifier(settings_notifier)
, latency_max_samples(settings.latency_max_ms.load() *
settings.samplerate.load() / 1000)
, settings(settings)
{
CONNECT(this, settings_notifier.enable_latency_modifier,
this, &HumaniserVisualiser::Canvas::latencyEnabledChanged);
CONNECT(this, settings_notifier.enable_velocity_modifier,
this, &HumaniserVisualiser::Canvas::velocityEnabledChanged);
CONNECT(this, settings_notifier.latency_current,
this, &HumaniserVisualiser::Canvas::latencyOffsetChanged);
CONNECT(this, settings_notifier.velocity_modifier_current,
this, &HumaniserVisualiser::Canvas::velocityOffsetChanged);
CONNECT(this, settings_notifier.latency_stddev,
this, &HumaniserVisualiser::Canvas::latencyStddevChanged);
CONNECT(this, settings_notifier.latency_laid_back_ms,
this, &HumaniserVisualiser::Canvas::latencyLaidbackChanged);
CONNECT(this, settings_notifier.velocity_stddev,
this, &HumaniserVisualiser::Canvas::velocityStddevChanged);
}
void HumaniserVisualiser::Canvas::repaintEvent(GUI::RepaintEvent *repaintEvent)
{
if(width() < 1 || height() < 1)
{
return;
}
GUI::Painter p(*this);
p.clear();
const int spx = latency_max_samples * 2 / width(); // samples pr. pixel
int x = latency_offset / spx + width() / 2;
float v = (-1.0f * velocity_offset + 1.0f) * 0.8;
int y = height() * 0.2 + v * height();
y = std::max(0, y);
int w = latency_stddev / spx * 3 * 2; // stddev is ~ +/- 3 span
int h = velocity_stddev * height() / 4;
DEBUG(vis, "max: %d, spx: %d, x: %d, w: %d", latency_max_samples, spx, x, w);
// Stddev squares
if(latency_enabled)
{
p.drawImageStretched(x - w / 2, 0, stddev_h, w, height());
}
else
{
p.drawImageStretched(x - w / 2, 0, stddev_h_disabled, w, height());
}
if(velocity_enabled)
{
p.drawImageStretched(0, y - h / 2, stddev_v, width(), h);
}
else
{
p.drawImageStretched(0, y - h / 2, stddev_v_disabled, width(), h);
}
// Lines
if(velocity_enabled)
{
p.setColour(GUI::Colour(0.0f, 1.0f, 1.0f));
}
else
{
p.setColour(GUI::Colour(0.4f, 0.4f, 0.4f));
}
p.drawLine(0, y, width(), y);
if(latency_enabled)
{
p.setColour(GUI::Colour(0.0f, 1.0f, 1.0f));
}
else
{
p.setColour(GUI::Colour(0.4f, 0.4f, 0.4f));
}
p.drawLine(x, 0, x, height());
// Zero-lines
p.setColour(GUI::Colour(0.0f, 1.0f, 0.0f, 0.9f));
p.drawLine(0, height() * 0.2f, width(), height() * 0.2f);
p.drawLine(width() / 2, 0, width() / 2, height());
}
void HumaniserVisualiser::Canvas::latencyEnabledChanged(bool enabled)
{
latency_enabled = enabled;
redraw();
}
void HumaniserVisualiser::Canvas::velocityEnabledChanged(bool enabled)
{
velocity_enabled = enabled;
redraw();
}
void HumaniserVisualiser::Canvas::latencyOffsetChanged(int offset)
{
latency_offset = offset;
redraw();
}
void HumaniserVisualiser::Canvas::velocityOffsetChanged(float offset)
{
velocity_offset = offset;
redraw();
}
void HumaniserVisualiser::Canvas::latencyStddevChanged(float stddev)
{
latency_stddev = stddev;
redraw();
}
void HumaniserVisualiser::Canvas::latencyLaidbackChanged(float laidback_ms)
{
this->laidback = laidback_ms * settings.samplerate.load() / 1000;
redraw();
}
void HumaniserVisualiser::Canvas::velocityStddevChanged(float stddev)
{
velocity_stddev = stddev;
redraw();
}
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