/*! \brief Set new FFT size. */
void rx_fft_c::set_fft_size(unsigned int fftsize)
{
if (fftsize != d_fftsize)
{
boost::mutex::scoped_lock lock(d_mutex);
d_fftsize = fftsize;
fftcounter = averagecount = 0;
delete averager;
//averager = new gr_complex[d_fftsize];
averager = new float[d_fftsize];
for(unsigned int s=0; s < d_fftsize; s++)
averager[s] = 0;
/* clear and resize circular buffer */
d_cbuf.clear();
d_cbuf.set_capacity(d_fftsize);
/* reset window */
int wintype = d_wintype; // FIXME: would be nicer with a window_reset()
d_wintype = -1;
set_window_type(wintype);
/* reset FFT object (also reset FFTW plan) */
delete d_fft;
d_fft = new gr::fft::fft_complex (d_fftsize, true);
}
}
ClassicBackgroundRender::ClassicBackgroundRender(const QRectF &rect,
widget *parent,
const QImage &background_image)
: cherry_kit::window(parent) {
setFlag(QGraphicsItem::ItemIsMovable, false);
setFlag(QGraphicsItem::ItemIsFocusable, true);
mBackgroundImage = background_image;
mScalingMode = None;
mSeamLessMode = false;
set_window_type(cherry_kit::window::kFramelessWindow);
enable_window_background(false);
}
/*! \brief Create receiver FFT object.
* \param fftsize The FFT size.
* \param wintype The window type (see gr::filter::firdes::win_type).
*
*/
rx_fft_f::rx_fft_f(unsigned int fftsize, int wintype)
: gr::sync_block ("rx_fft_f",
gr::io_signature::make(1, 1, sizeof(float)),
gr::io_signature::make(0, 0, 0)),
d_fftsize(fftsize),
d_wintype(-1)
{
/* create FFT object */
d_fft = new gr::fft::fft_complex(d_fftsize, true);
/* allocate circular buffer */
d_cbuf.set_capacity(d_fftsize);
/* create FFT window */
set_window_type(wintype);
}
/*! \brief Set new FFT size. */
void rx_fft_f::set_fft_size(unsigned int fftsize)
{
if (fftsize != d_fftsize)
{
boost::mutex::scoped_lock lock(d_mutex);
d_fftsize = fftsize;
/* clear and resize circular buffer */
d_cbuf.clear();
d_cbuf.set_capacity(d_fftsize);
/* reset window */
int wintype = d_wintype; // FIXME: would be nicer with a window_reset()
d_wintype = -1;
set_window_type(wintype);
/* reset FFT object (also reset FFTW plan) */
delete d_fft;
d_fft = new gr::fft::fft_complex(d_fftsize, true);
}
}
/*! \brief Create receiver FFT object.
* \param fftsize The FFT size.
* \param wintype The window type (see gr::filter::firdes::win_type).
*
*/
rx_fft_c::rx_fft_c(unsigned int fftsize, int wintype)
: gr::sync_block ("rx_fft_c",
gr::io_signature::make(1, 1, sizeof(gr_complex)),
gr::io_signature::make(0, 0, 0)),
d_fftsize(fftsize),
d_wintype(-1)
{
d_fftmode = 1;
fftcounter = averagecount = 0;
//averager = new gr_complex[d_fftsize];
averager = new float[d_fftsize];
for(unsigned int s=0; s < d_fftsize; s++)
averager[s] = 0;
/* create FFT object */
d_fft = new gr::fft::fft_complex(d_fftsize, true);
/* allocate circular buffer */
d_cbuf.set_capacity(d_fftsize);
/* create FFT window */
set_window_type(wintype);
}
