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/*************************************************************************
* Copyright © 2011-2020 Vincent Prat & Simon Nicolas
*
* 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 3 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*************************************************************************/
#ifndef HEADER_IMAGEWINDOW
#define HEADER_IMAGEWINDOW
#include <QLabel>
#include <QMouseEvent>
#include <QKeyEvent>
#include <string>
#include <QSvgRenderer>
/*!
* \brief Window used to display an image
*/
class ImageWindow: public QLabel
{
private:
/*!
* Flag active if the image cannot be loaded
*/
bool bError;
/*!
* Image file name
*/
std::string sImageFileName;
/*!
* Flag active if the image is in the SVG format
*/
bool bSvg;
/*!
* Svg Renderer
*/
QSvgRenderer *renderer;
/*!
* Aspect ratio of the image
*/
double dAspectRatio;
/*!
* Reference pixmap for non-SVG images
*/
QPixmap pix;
protected:
/*!
* \brief Mouse ReleaseEvent handler
* \param e Mouse event raised
*
* Switches between full screen and normal
*/
void mouseReleaseEvent(QMouseEvent *e);
/*!
* \brief Key ReleaseEvent handler
* \param e Key event raised
*/
void keyReleaseEvent(QKeyEvent *e);
/*!
* \brief Resize event handler
* \param e Resize event raised
*/
void resizeEvent(QResizeEvent *e);
public:
/*!
* \brief Constructor of the window
* \param imageFileName Name of the file containing the image to show
* \param parent Parent widget
*/
ImageWindow(const std::string &imageFileName, QWidget *parent=0);
/*!
* \brief Getter for the error flag
* \return True if the image was not loaded correctly
*/
bool error() const;
/*!
* \brief Preferred size of the window
* \return Default size
*/
QSize sizeHint() const override;
};
#endif
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