/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * viewfinder_qt.h - qcam - QPainter-based ViewFinder */ #pragma once #include <QIcon> #include <QImage> #include <QList> #include <QMutex> #include <QSize> #include <QWidget> #include <libcamera/formats.h> #include <libcamera/framebuffer.h> #include <libcamera/pixel_format.h> #include "format_converter.h" #include "viewfinder.h" class ViewFinderQt : public QWidget, public ViewFinder { Q_OBJECT public: ViewFinderQt(QWidget *parent); ~ViewFinderQt(); const QList<libcamera::PixelFormat> &nativeFormats() const override; int setFormat(const libcamera::PixelFormat &format, const QSize &size, const libcamera::ColorSpace &colorSpace, unsigned int stride) override; void render(libcamera::FrameBuffer *buffer, Image *image) override; void stop() override; QImage getCurrentImage() override; Q_SIGNALS: void renderComplete(libcamera::FrameBuffer *buffer); protected: void paintEvent(QPaintEvent *) override; QSize sizeHint() const override; private: FormatConverter converter_; libcamera::PixelFormat format_; QSize size_; /* Camera stopped icon */ QSize vfSize_; QIcon icon_; QPixmap pixmap_; /* Buffer and render image */ libcamera::FrameBuffer *buffer_; QImage image_; QMutex mutex_; /* Prevent concurrent access to image_ */ };