OE_subcurve.cpp

/*
 * Copyright (c) 2015 Tricoire Sebastien 3dsman@free.fr
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 *
 */

#include "curves/OE_subcurve.h"
#include "Archive.h"
#include <iostream>

#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <algorithm>

OE_subcurve::OE_subcurve() : curve(nullptr), start(0), end(0), reverse(false)
{
}

OE_subcurve::OE_subcurve(OE_curve* curve, float curveStart, float curveEnd, bool reverse)
{
	this->curve = curve;
	curve->addDependency(this);
	start = curveStart;
	end = curveEnd;
    this->reverse = reverse;
    //refresh();
}


OE_subcurve::~OE_subcurve()
{
    curve->removeDependency(this);
}

void OE_subcurve::persist(Pakal::Archive* archive)
{
	archive->refer("curve", curve);
	archive->value("start", start);
	archive->value("end", end);
	archive->value("reverse", reverse);
}

/** \brief check if the curve is valid.	 */
bool OE_subcurve::check()
{
    return curve != 0;
}
		
/** \brief refresh the discPts array.	 */
void OE_subcurve::refresh(float dpi, bool force)
{	
	if (!check()||!(needRefresh||force)) return;

	curve->refresh(dpi, force);

	float tmpStart = start;
	float tmpEnd = end;
	if (start == -1) tmpStart= 0;
	if (end == -1) tmpEnd=(curve->getNpts()-1)/3;

	pts.clear();
	pts = curve->subCurve(tmpStart, tmpEnd, reverse);
	OE_curve::refresh( dpi);

}

void OE_subcurve::delDependency(OE_base * object)
{
	if (curve == object) curve = 0;
}

void OE_subcurve::refreshDependency()
{
    if(curve)
	{
		curve->refreshDependency();
        curve->addDependency(this);
	}
};

bool OE_subcurve::setStart(float curveStart)
{
    start = curveStart;
    setNeedRefresh();
	return true;
}

bool OE_subcurve::setEnd(float curveEnd)
{
    end = curveEnd;
    setNeedRefresh();
	return true;
}

bool OE_subcurve::setReverse(bool curveReverse)
{
    reverse = curveReverse;
    setNeedRefresh();
    return true;
}

OE_curve* OE_subcurve::getCurve()
{
    return curve;
}

float OE_subcurve::getStart(){return start;};
float OE_subcurve::getEnd(){return end;};
bool OE_subcurve::getReverse(){return reverse;};