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authorMinori Yasumura <minori@witz-inc.co.jp>2019-09-05 09:31:48 +0900
committerMinori Yasumura <minori@witz-inc.co.jp>2019-09-11 10:07:21 +0900
commit6e1a6785dd4658939d9380a6c2b092a495009e17 (patch)
tree49cbb889392a24859afa1bb5a405d5f0f0024b4c /app/camera.cpp
parent706ad73eb02caf8532deaf5d38995bd258725cb8 (diff)
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
Diffstat (limited to 'app/camera.cpp')
-rw-r--r--app/camera.cpp88
1 files changed, 88 insertions, 0 deletions
diff --git a/app/camera.cpp b/app/camera.cpp
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index 0000000..964cc8c
--- /dev/null
+++ b/app/camera.cpp
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+/*
+ * 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";
+ }
+ }
+
+}
+