imageviewer.h
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright 2012 The MITRE Corporation *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef __IMAGEVIEWER_H
#define __IMAGEVIEWER_H
#include <QImage>
#include <QKeyEvent>
#include <QLabel>
#include <QMouseEvent>
#include <QPixmap>
#include <QResizeEvent>
#include <QString>
#include <QWidget>
#include <openbr_export.h>
namespace br
{
class BR_EXPORT_GUI ImageViewer : public QLabel
{
Q_OBJECT
QString defaultText;
QImage src;
public:
explicit ImageViewer(QWidget *parent = 0);
void setDefaultText(const QString &text, bool async = false);
void setImage(const QString &file, bool async = false);
void setImage(const QImage &image, bool async = false);
void setImage(const QPixmap &pixmap, bool async = false);
bool isNull() const { return src.isNull(); }
int imageWidth() const { return src.width(); }
int imageHeight() const { return src.height(); }
protected slots:
void keyPressEvent(QKeyEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void resizeEvent(QResizeEvent *event);
private slots:
void updatePixmap(bool async = false);
};
} // namespace br
#endif // __IMAGEVIEWER_H