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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.
*/
#include "video_widget.h"
#include <QDebug>
using namespace cv;
using namespace std;
void VideoWidget::update_image(Mat frame, std::auto_ptr< vector<Vec2f> >)
{
QMutexLocker foo(&mtx);
if (frame.channels() != 3 && frame.channels() != 1)
return;
int width = frame.cols, height = frame.rows;
unsigned char* src = frame.data;
QImage qframe(width, height, QImage::Format_RGB888);
if (frame.channels() == 3)
{
uchar* data = qframe.bits();
const int pitch = qframe.bytesPerLine();
for (int y = 0; y < height; y++)
for (int x = 0; x < width; x++)
{
const int pos = 3 * (y*width + x);
data[y * pitch + x * 3 + 0] = src[pos + 2];
data[y * pitch + x * 3 + 1] = src[pos + 1];
data[y * pitch + x * 3 + 2] = src[pos + 0];
}
} else {
uchar* data = qframe.bits();
const int pitch = qframe.bytesPerLine();
for (int y = 0; y < height; y++)
for (int x = 0; x < width; x++)
{
const int pos = (y*width + x);
data[y * pitch + x * 3 + 0] = src[pos];
data[y * pitch + x * 3 + 1] = src[pos];
data[y * pitch + x * 3 + 2] = src[pos];
}
}
qframe = qframe.scaled(size(), Qt::IgnoreAspectRatio, Qt::FastTransformation);
pixmap = QPixmap::fromImage(qframe);
}
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