Fawkes API
Fawkes Development Version
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00001 00002 /*************************************************************************** 00003 * hipass.cpp - Implementation of a generic hipass filter 00004 * 00005 * Created: Thu Jun 16 17:12:16 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/hipass.h> 00025 #include <core/exception.h> 00026 00027 #include <ippi.h> 00028 00029 namespace firevision { 00030 #if 0 /* just to make Emacs auto-indent happy */ 00031 } 00032 #endif 00033 00034 /** @class FilterHipass <filters/hipass.h> 00035 * Hipass filter. 00036 */ 00037 00038 /** Constructor. */ 00039 FilterHipass::FilterHipass() 00040 : Filter("FilterHipass") 00041 { 00042 } 00043 00044 00045 void 00046 FilterHipass::apply() 00047 { 00048 IppiSize size; 00049 size.width = src_roi[0]->width; 00050 size.height = src_roi[0]->height; 00051 00052 IppStatus status; 00053 00054 // base + number of bytes to line y + pixel bytes 00055 status = ippiFilterHipass_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, 00056 dst + (dst_roi->start.y * dst_roi->line_step) + (dst_roi->start.x * dst_roi->pixel_step), dst_roi->line_step, 00057 size, ippMskSize3x3 ); 00058 00059 if ( status != ippStsNoErr ) { 00060 throw fawkes::Exception("Hipass filter failed with %i\n", status); 00061 } 00062 } 00063 00064 } // end namespace firevision