window.cpp Example File

  /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** You may use this file under the terms of the BSD license as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  #include <QColorDialog>
  #include <QFileDialog>
  #include <QPainter>
  #include <QSvgGenerator>
  #include "window.h"
  #include "displaywidget.h"

  Window::Window(QWidget *parent)
      : QWidget(parent)
  {
      setupUi(this);
  }

  void Window::updateBackground(int background)
  {
      displayWidget->setBackground(DisplayWidget::Background(background));
  }

  void Window::updateColor()
  {
      QColor color = QColorDialog::getColor(displayWidget->color());
      if (color.isValid())
          displayWidget->setColor(color);
  }

  void Window::updateShape(int shape)
  {
      displayWidget->setShape(DisplayWidget::Shape(shape));
  }

  void Window::saveSvg()
  {
      QString newPath = QFileDialog::getSaveFileName(this, tr("Save SVG"),
          path, tr("SVG files (*.svg)"));

      if (newPath.isEmpty())
          return;

      path = newPath;

      QSvgGenerator generator;
      generator.setFileName(path);
      generator.setSize(QSize(200, 200));
      generator.setViewBox(QRect(0, 0, 200, 200));
      generator.setTitle(tr("SVG Generator Example Drawing"));
      generator.setDescription(tr("An SVG drawing created by the SVG Generator "
                                  "Example provided with Qt."));
      QPainter painter;
      painter.begin(&generator);
      displayWidget->paint(painter);
      painter.end();
  }