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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* viewfinder.h - qcam - Viewfinder
*/
#ifndef __QCAM_VIEWFINDER_H__
#define __QCAM_VIEWFINDER_H__
#include <QMutex>
#include <QWidget>
#include <libcamera/pixelformats.h>
#include "format_converter.h"
class QImage;
class ViewFinder : public QWidget
{
public:
ViewFinder(QWidget *parent);
~ViewFinder();
int setFormat(libcamera::PixelFormat format, unsigned int width,
unsigned int height);
void display(const unsigned char *rgb, size_t size);
QImage getCurrentImage();
protected:
void paintEvent(QPaintEvent *) override;
QSize sizeHint() const override;
private:
libcamera::PixelFormat format_;
unsigned int width_;
unsigned int height_;
FormatConverter converter_;
QImage *image_;
QMutex mutex_; /* Prevent concurrent access to image_ */
};
#endif /* __QCAM_VIEWFINDER__ */
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