C++ (Cpp) Rect::IsRect Examples

Example #1

File: FourierTransform.cpp Project: aleixpuig/PCL

static void LoadAndTransformImage( GenericImage<P>& transform, const GenericImage<P1>& image, bool parallel, int maxProcessors )
{
   Rect r = image.SelectedRectangle();
   if ( !r.IsRect() )
      return;

   int w = FFTC::OptimizedLength( r.Width() );
   int h = FFTC::OptimizedLength( r.Height() );

   int dw2 = (w - r.Width()) >> 1;
   int dh2 = (h - r.Height()) >> 1;

   transform.AllocateData( w, h, image.NumberOfSelectedChannels(),
                           (image.NumberOfSelectedChannels() < 3 || image.FirstSelectedChannel() != 0) ?
                                 ColorSpace::Gray : image.ColorSpace() );
   transform.Zero().Move( image, Point( dw2, dh2 ) );

   ApplyInPlaceFourierTransform( transform, FFTDirection::Forward, parallel, maxProcessors );
}