Kieran Bingham
0f292e7821
Implement a save image button on the toolbar which will take a current viewfinder image and present the user with a QFileDialog to allow them to choose where to save the image. Utilise the QImageWriter to perform the output task. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
45 lines
842 B
C++
45 lines
842 B
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* viewfinder.h - qcam - Viewfinder
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*/
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#ifndef __QCAM_VIEWFINDER_H__
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#define __QCAM_VIEWFINDER_H__
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#include <QMutex>
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#include <QWidget>
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#include "format_converter.h"
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class QImage;
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class ViewFinder : public QWidget
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{
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public:
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ViewFinder(QWidget *parent);
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~ViewFinder();
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int setFormat(unsigned int format, unsigned int width,
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unsigned int height);
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void display(const unsigned char *rgb, size_t size);
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QImage getCurrentImage();
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protected:
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void paintEvent(QPaintEvent *) override;
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QSize sizeHint() const override;
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private:
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unsigned int format_;
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unsigned int width_;
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unsigned int height_;
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FormatConverter converter_;
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QImage *image_;
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QMutex mutex_; /* Prevent concurrent access to image_ */
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};
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#endif /* __QCAM_VIEWFINDER__ */
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