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Diffstat (limited to 'src/apps/qcam/viewfinder_qt.h')
-rw-r--r-- | src/apps/qcam/viewfinder_qt.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/apps/qcam/viewfinder_qt.h b/src/apps/qcam/viewfinder_qt.h new file mode 100644 index 00000000..eb3a9988 --- /dev/null +++ b/src/apps/qcam/viewfinder_qt.h @@ -0,0 +1,64 @@ +/* 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_ */ +}; |