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 /** @class FilterGauss <filters/gauss.h>
00030  * Gaussian filter.
00031  * Applies Gaussian linear filter to image (blur effect).
00032  */
00033 
00034 /** Constructor. */
00035 FilterGauss::FilterGauss()
00036   : Filter("FilterGauss")
00037 {
00038 }
00039
00040
00041 void
00042 FilterGauss::apply()
00043 {
00044   IppiSize size;
00045   size.width = src_roi[0]->width;
00046   size.height = src_roi[0]->height;
00047
00048   /* 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,
00049                                                    dst + (dst_roi->start.y * dst_roi->line_step) + (dst_roi->start.x * dst_roi->pixel_step), dst_roi->line_step,
00050                                                    size,
00051                                                    ippMskSize5x5 );
00052
00053   /*
00054   cout << "FilterGauss: ippiFilterGauss exit code: " << flush;
00055   switch (status) {
00056   case ippStsNoErr:
00057     cout << "ippStsNoErr";
00058     break;
00059   case ippStsNullPtrErr:
00060     cout << "ippStsNullPtrErr";
00061     break;
00062   case ippStsSizeErr:
00063     cout << "ippStsSizeErr";
00064     break;
00065   case ippStsStepErr:
00066     cout << "ippStsStepErr";
00067     break;
00068   case ippStsMaskSizeErr:
00069     cout << "ippStsMaskSizeErr";
00070     break;
00071   default:
00072     cout << "Unknown status";
00073   }
00074   cout << endl;
00075   */
00076 }