PoC for humanisation visualiser.

1 files changed, 124 insertions, 0 deletions

diff --git a/plugingui/humaniservisualiser.cc b/plugingui/humaniservisualiser.cc
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+++ b/plugingui/humaniservisualiser.cc
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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 <iostream>
+
+HumaniserVisualiser::HumaniserVisualiser(GUI::Widget* parent,
+                                         SettingsNotifier& settings_notifier)
+	: GUI::Widget(parent)
+	, settings_notifier(settings_notifier)
+{
+	CONNECT(this, settings_notifier.latency_current,
+	        this, &HumaniserVisualiser::latencyOffsetChanged);
+	CONNECT(this, settings_notifier.velocity_modifier_current,
+	        this, &HumaniserVisualiser::velocityOffsetChanged);
+
+	CONNECT(this, settings_notifier.latency_stddev,
+	        this, &HumaniserVisualiser::latencyStddevChanged);
+	CONNECT(this, settings_notifier.latency_laid_back,
+	        this, &HumaniserVisualiser::latencyLaidbackChanged);
+	CONNECT(this, settings_notifier.velocity_stddev,
+	        this, &HumaniserVisualiser::velocityStddevChanged);
+}
+
+void HumaniserVisualiser::repaintEvent(GUI::RepaintEvent *repaintEvent)
+{
+	GUI::Painter p(*this);
+
+	// Background
+	p.setColour(GUI::Colour(0, 0, 1));
+	p.drawFilledRectangle(0, 0, width(), height());
+
+	int x = latency_offset / 2000.0 * width() / 2 + width() / 2;
+	int y = velocity_offset * height();
+	int w = latency_stddev / 10;
+	int h = velocity_stddev * 10;
+
+	// Stddev squares
+	float v = w;
+	while(v > 1)
+	{
+		float a = 1.0f - v / (float)w;
+		a = a * a * a;
+		p.setColour(GUI::Colour(1.0f, 0.0f, 1.0f, a));
+		p.drawFilledRectangle(x - v / 2, 0,
+		                      x + v / 2, height());
+		v -= 1.0f;
+	}
+
+	v = h;
+	while(v > 1)
+	{
+		float a = 1.0f - v / (float)h;
+		a = a * a * a;
+		p.setColour(GUI::Colour(1.0f, 0.0f, 1.0f, a));
+		p.drawFilledRectangle(0, y - v / 2,
+		                      width(), y + v / 2);
+		v -= 1.0f;
+	}
+
+	// Lines
+	p.setColour(GUI::Colour(0, 1, 1));
+	p.drawLine(0, y, width(), y);
+	p.drawLine(x, 0, x, height());
+}
+
+void HumaniserVisualiser::latencyOffsetChanged(int offset)
+{
+	latency_offset = offset;
+	redraw();
+}
+
+void HumaniserVisualiser::velocityOffsetChanged(float offset)
+{
+	velocity_offset = -1 * offset + 1;
+	redraw();
+}
+
+void HumaniserVisualiser::latencyStddevChanged(float stddev)
+{
+	latency_stddev = stddev;
+	redraw();
+}
+
+void HumaniserVisualiser::latencyLaidbackChanged(int laidback)
+{
+	this->laidback = laidback;
+	redraw();
+}
+
+void HumaniserVisualiser::velocityStddevChanged(float stddev)
+{
+	velocity_stddev = stddev;
+	redraw();
+}