From 97e8b3a2eb321884fe1e15fb584f41a38cc33d51 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sat, 23 Mar 2019 03:24:25 +0200 Subject: qcam: Add Qt-based GUI application qcam is a sample camera GUI application based on Qt. It demonstrates integration of the Qt event loop with libcamera. The application lets the user select a camera through the GUI, and then captures a single stream from the camera and displays it in a window. Only streams in YUYV formats are supported for now. Signed-off-by: Laurent Pinchart Acked-by: Kieran Bingham Tested-by: Kieran Bingham --- src/qcam/viewfinder.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 src/qcam/viewfinder.cpp (limited to 'src/qcam/viewfinder.cpp') diff --git a/src/qcam/viewfinder.cpp b/src/qcam/viewfinder.cpp new file mode 100644 index 00000000..5841dc03 --- /dev/null +++ b/src/qcam/viewfinder.cpp @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2019, Google Inc. + * + * viewfinder.cpp - qcam - Viewfinder + */ + +#include +#include + +#include "format_converter.h" +#include "viewfinder.h" + +ViewFinder::ViewFinder(QWidget *parent) + : QLabel(parent), format_(0), width_(0), height_(0), image_(nullptr) +{ +} + +void ViewFinder::display(const unsigned char *raw) +{ + converter_.convert(raw, image_->bits()); + + QPixmap pixmap = QPixmap::fromImage(*image_); + setPixmap(pixmap); +} + +int ViewFinder::setFormat(unsigned int format, unsigned int width, + unsigned int height) +{ + int ret; + + ret = converter_.configure(format, width, height); + if (ret < 0) + return ret; + + format_ = format; + width_ = width; + height_ = height; + + setFixedSize(width, height); + + delete image_; + image_ = new QImage(width, height, QImage::Format_RGB32); + + return 0; +} -- cgit v1.2.1