imageitem.cpp

学习 open inventor 的例子

/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  ("GPL") version 2 as published by the Free Software Foundation.
 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
 *
 *  For using Coin with software that can not be combined with the GNU
 *  GPL, and for taking advantage of the additional benefits of our
 *  support services, please contact Systems in Motion about acquiring
 *  a Coin Professional Edition License.
 *
 *  See <URL:http://www.coin3d.org> for more information.
 *
 *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
 *  <URL:http://www.sim.no>.
 *
\**************************************************************************/

#include "ImageItem.h"
#include <qpainter.h>

ImageItem::ImageItem(QCanvas *canvas)
: QCanvasRectangle(canvas)
{
  this->setSize(canvas->width(), canvas->height());
}

void 
ImageItem::setImage(QImage image)
{
  if (!image.isNull()) {
    this->setSize(image.width(), image.height());
    this->pixmap.convertFromImage(image, Qt::OrderedAlphaDither);
  }
}

void 
ImageItem::drawShape(QPainter &p)
{
  p.drawPixmap(int(this->x()), int(this->y()), this->pixmap);
}