blitrect.cpp

/*

Pencil - Traditional Animation Software
Copyright (C) 2005-2007 Patrick Corrieri & Pascal Naidon
Copyright (C) 2012-2017 Matthew Chiawen Chang

This program 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; version 2 of the License.

This program 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.

*/

#include <QDebug>

#include "blitrect.h"

BlitRect::BlitRect() :
    QRect()
{
    points = 0;
}

void BlitRect::extend(QPoint p)
{
    if (points == 0) {
        setBottomLeft(p);
        setTopRight(p);
        points = 1;
    } else {
        if (left() > p.x()) {
            setLeft(p.x());
        }
        if (right() < p.x()) {
            setRight(p.x());
        }
        if (top() > p.y()) {
            setTop(p.y());
        }
        if (bottom() < p.y()) {
            setBottom(p.y());
        }
    }
}