/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
 *            outputwindow.h
 *
 *  Sat Aug  4 13:44:40 CEST 2012
 *  Copyright 2012 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of Kaiman.
 *
 *  Kaiman is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  Kaiman 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Kaiman; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#pragma once

#include <QGLWidget>
#include <QTimer>
#include <QImage>
#include <QVector>
#include <QPoint>
#include <QSemaphore>

class OutputWindow
	: public QGLWidget
{
	Q_OBJECT
public:
	OutputWindow();

	void forward(double x);
	void turn(double x);

	void stopScript();

	void setSpeed(int s);

	void setScale(double s);
	double getScale() const;

	void setColour(int r, int g, int b, int a);

	void loadPen(QString file);

	double coordX();
	double coordY();

	QImage acquire(bool includePen);

public slots:
	void timeout();
	void reset();

protected:
	void mouseMoveEvent(QMouseEvent* event);
	void mousePressEvent(QMouseEvent* event);
	void mouseReleaseEvent(QMouseEvent* event);
	void wheelEvent(QWheelEvent* event);
	void paintEvent(QPaintEvent* event);

private:
	void paint(QPainter& p, const QPointF& offset, bool includePen, double scale);

	class ColLine
	{
	public:
		QColor colour;
		QLine line;
	};
	QImage kaiman;
	double x, y, r;
	QTimer timer;
	QSemaphore sem;
	QVector<ColLine> lines;
	QVector<QPointF> current_points;
	QColor colour;
	volatile bool stop;

	volatile int speed;

	volatile bool loadpen;
	QString penfile;

	volatile float scale{2.0f};

	bool dragging{false};
	QPoint dragOffsetOrigo{0, 0};
	QPoint dragOffset{0, 0};
	QPointF offset{0.0, 0.0};
};