From 6e1a6785dd4658939d9380a6c2b092a495009e17 Mon Sep 17 00:00:00 2001
From: Minori Yasumura <minori@witz-inc.co.jp>
Date: Thu, 5 Sep 2019 09:31:48 +0900
Subject: Initial commit of aroundview app exhibited at ALS2019.

Aroundview application is a sample application.

It's a simple application that takes into the camera input
and draws them like all around view using v4l2 technology.

Signed-off-by: Minori Yasumura <minori@witz-inc.co.jp>
Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@denso-ten.com>
Change-Id: I3e59b728a8bb7f197d666b56e7f86f02ddc8ea98
---
 app/camera.cpp | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 app/camera.cpp

(limited to 'app/camera.cpp')

diff --git a/app/camera.cpp b/app/camera.cpp
new file mode 100644
index 0000000..964cc8c
--- /dev/null
+++ b/app/camera.cpp
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2019 DENSO TEN Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "camera.h"
+#include "capturing.h"
+#include <QDebug>
+
+
+
+
+CameraItem::CameraItem(QQuickItem *parent)
+	:	QQuickPaintedItem(parent), _device(-1), _offset(0)
+{
+}
+
+CameraItem::~CameraItem()
+{
+	if(_device != -1) {
+		p_cap_item->close_device();
+	}
+	if(p_cap_item)
+		delete p_cap_item;
+}
+
+
+int CameraItem::init(int device, int offset)
+{
+	p_cap_item = new CapturingItem();
+
+	int ret = p_cap_item->open_device(device);
+
+	if(ret != 0) {
+		qDebug() << "device " << device << " failed to open";
+		return -1;
+	}
+
+	ret = p_cap_item->init_device();
+	if(ret != 0) {
+		qDebug() << "device " << device << " failed to initialize";
+		return -1;
+	}
+	p_cap_item->start_capturing();
+	_device = device;
+	_offset = offset;
+
+	return ret;
+}
+
+void CameraItem::paint(QPainter *painter)
+{
+	if(_device != -1){
+		unsigned char* data = NULL;
+		cv::Mat src(p_cap_item->height(), p_cap_item->width(), CV_8UC4);
+		cv::Mat dst;
+		data = p_cap_item->snap_frame();
+		if(data) {
+			memcpy(src.data, data, src.step * src.rows);
+
+			cv::cvtColor(src, dst, CV_BGRA2RGB);
+
+			QImage output_img(dst.data, dst.cols, dst.rows, QImage::Format_RGB888);
+
+			output_img = output_img.scaled(1080, 911);
+
+			painter->drawImage(0,0,
+								output_img,
+								0,((output_img.size().height() / 2) - (height() / 2) + _offset));
+		}
+		else {
+			qDebug() << "null image";
+		}
+	}
+
+}
+
-- 
cgit 1.2.3-korg