diff options
Diffstat (limited to 'app/camera.cpp')
-rw-r--r-- | app/camera.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
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"; + } + } + +} + |