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/* Copyright (c) 2012 Patrick Ruoff
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* 20130312, WVR: Add 7 lines to resizeGL after resize_frame. This should lower CPU-load.
*/
#include "pt_video_widget.h"
#include <QDebug>
#include <QHBoxLayout>
using namespace cv;
using namespace std;
void PTVideoWidget::update_image(const cv::Mat& frame)
{
QMutexLocker foo(&mtx);
QImage qframe = QImage(frame.cols, frame.rows, QImage::Format_RGB888);
uchar* data = qframe.bits();
const int pitch = qframe.bytesPerLine();
for (int y = 0; y < frame.rows; y++)
for (int x = 0; x < frame.cols; x++)
{
const int pos = 3 * (y*frame.cols + x);
data[y * pitch + x * 3 + 0] = frame.data[pos + 2];
data[y * pitch + x * 3 + 1] = frame.data[pos + 1];
data[y * pitch + x * 3 + 2] = frame.data[pos + 0];
}
qframe = qframe.scaled(size(), Qt::IgnoreAspectRatio, Qt::FastTransformation);
pixmap = QPixmap::fromImage(qframe);
}
// ----------------------------------------------------------------------------
VideoWidgetDialog::VideoWidgetDialog(QWidget *parent, FrameProvider* provider)
: QDialog(parent),
video_widget(NULL)
{
const int VIDEO_FRAME_WIDTH = 640;
const int VIDEO_FRAME_HEIGHT = 480;
video_widget = new PTVideoWidget(this, provider);
QHBoxLayout* layout = new QHBoxLayout();
layout->setContentsMargins(0, 0, 0, 0);
layout->addWidget(video_widget);
if (this->layout()) delete this->layout();
setLayout(layout);
resize(VIDEO_FRAME_WIDTH, VIDEO_FRAME_HEIGHT);
}
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