area.cc

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2003 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// 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; either version 2 of the License, or
// (at your option) any later version.
//
// 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.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

//------------------------------------------------------------------------------

#include "Area.h"

//------------------------------------------------------------------------------

void Area::addBorder(size_t borderSize, 
                     size_t totalWidth,
                     size_t totalHeight)
{
    startX = (startX>borderSize) ? startX - borderSize : 0;
    endX += borderSize; if (endX>=totalWidth) endX = totalWidth - 1;
    startY = (startY>borderSize) ? startY - borderSize : 0;
    endY += borderSize; if (endY>=totalHeight) endY = totalHeight - 1;
}

//------------------------------------------------------------------------------

void Area::merge(const Area& other)
{
    if (other.startX<startX) startX = other.startX;
    if (other.endX>endX) endX = other.endX;
    if (other.startY<startY) startY = other.startY;
    if (other.endY>endY) endY = other.endY;
}

//------------------------------------------------------------------------------