/*
  paintbufferreplaywidget.cpp

  This file is part of GammaRay, the Qt application inspection and
  manipulation tool.

  Copyright (C) 2012-2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Author: Volker Krause <volker.krause@kdab.com>

  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, see <http://www.gnu.org/licenses/>.
*/

#include "paintbufferreplaywidget.h"
#include <QPainter>

using namespace GammaRay;

PaintBufferReplayWidget::PaintBufferReplayWidget(QWidget *parent)
  : QWidget(parent),
    m_zoomFactor(1)
{
  setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
}

void PaintBufferReplayWidget::setZoomFactor(int zoom)
{
  m_zoomFactor = zoom;
  resize(sizeHint());
  update();
}

void PaintBufferReplayWidget::setPixmap(const QPixmap &pixmap)
{
  m_pixmap = pixmap;
  resize(sizeHint());
  update();
}

QSize PaintBufferReplayWidget::sizeHint() const
{
  const QSize size = m_pixmap.size();
  return QSize(size.width() * m_zoomFactor,
               size.height() * m_zoomFactor);
}

void PaintBufferReplayWidget::paintEvent(QPaintEvent * /*event*/)
{
  QPainter p(this);
  p.setRenderHint(QPainter::SmoothPixmapTransform, false);
  p.scale(m_zoomFactor, m_zoomFactor);
  p.drawPixmap(QPoint(0, 0), m_pixmap);
}
