Show Liu
2daa704c96
Create ViewFinder base class and rename the original ViewFinder as QPainter-based ViewFinder. Signed-off-by: Show Liu <show.liu@linaro.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
65 lines
1.4 KiB
C++
65 lines
1.4 KiB
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_qt.h - qcam - QPainter-based ViewFinder
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*/
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#ifndef __QCAM_VIEWFINDER_QT_H__
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#define __QCAM_VIEWFINDER_QT_H__
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#include <QIcon>
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#include <QImage>
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#include <QList>
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#include <QMutex>
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#include <QSize>
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#include <QWidget>
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#include <libcamera/buffer.h>
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#include <libcamera/formats.h>
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#include <libcamera/pixel_format.h>
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#include "format_converter.h"
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#include "viewfinder.h"
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class ViewFinderQt : public QWidget, public ViewFinder
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{
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Q_OBJECT
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public:
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ViewFinderQt(QWidget *parent);
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~ViewFinderQt();
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const QList<libcamera::PixelFormat> &nativeFormats() const override;
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int setFormat(const libcamera::PixelFormat &format, const QSize &size) override;
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void render(libcamera::FrameBuffer *buffer, MappedBuffer *map) override;
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void stop() override;
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QImage getCurrentImage() override;
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Q_SIGNALS:
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void renderComplete(libcamera::FrameBuffer *buffer);
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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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FormatConverter converter_;
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libcamera::PixelFormat format_;
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QSize size_;
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/* Camera stopped icon */
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QSize vfSize_;
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QIcon icon_;
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QPixmap pixmap_;
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/* Buffer and render image */
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libcamera::FrameBuffer *buffer_;
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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_QT_H__ */
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