Fawkes API  Fawkes Development Version
gauss.cpp
00001 
00002 /***************************************************************************
00003  *  gauss.cpp - Implementation of a Gauss filter
00004  *
00005  *  Created: Thu May 12 09:33:55 2005
00006  *  Copyright  2005-2007  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #include "filters/gauss.h"
00025 
00026 #include <cstddef>
00027 #include <ippi.h>
00028 
00029 namespace firevision {
00030 #if 0 /* just to make Emacs auto-indent happy */
00031 }
00032 #endif
00033 
00034 /** @class FilterGauss <filters/gauss.h>
00035  * Gaussian filter.
00036  * Applies Gaussian linear filter to image (blur effect).
00037  */
00038 
00039 /** Constructor. */
00040 FilterGauss::FilterGauss()
00041   : Filter("FilterGauss")
00042 {
00043 }
00044 
00045 
00046 void
00047 FilterGauss::apply()
00048 {
00049   IppiSize size;
00050   size.width = src_roi[0]->width;
00051   size.height = src_roi[0]->height;
00052 
00053   /* IppStatus status = */ ippiFilterGauss_8u_C1R( src[0] + (src_roi[0]->start.y * src_roi[0]->line_step) + (src_roi[0]->start.x * src_roi[0]->pixel_step), src_roi[0]->line_step,
00054                                                    dst + (dst_roi->start.y * dst_roi->line_step) + (dst_roi->start.x * dst_roi->pixel_step), dst_roi->line_step,
00055                                                    size,
00056                                                    ippMskSize5x5 );
00057 
00058   /*
00059   cout << "FilterGauss: ippiFilterGauss exit code: " << flush;
00060   switch (status) {
00061   case ippStsNoErr:
00062     cout << "ippStsNoErr";
00063     break;
00064   case ippStsNullPtrErr:
00065     cout << "ippStsNullPtrErr";
00066     break;
00067   case ippStsSizeErr:
00068     cout << "ippStsSizeErr";
00069     break;
00070   case ippStsStepErr:
00071     cout << "ippStsStepErr";
00072     break;
00073   case ippStsMaskSizeErr:
00074     cout << "ippStsMaskSizeErr";
00075     break;
00076   default:
00077     cout << "Unknown status";
00078   }
00079   cout << endl;
00080   */
00081 }
00082 
00083 } // end namespace firevision