Fawkes API  Fawkes Development Version
or.cpp
1 
2 /***************************************************************************
3  * or.cpp - Implementation for "or'ing" images together
4  *
5  * Created: Fri May 13 14:57:10 2005
6  * Copyright 2005-2012 Tim Niemueller [www.niemueller.de]
7  ****************************************************************************/
8 
9 /* This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version. A runtime exception applies to
13  * this software (see LICENSE.GPL_WRE file mentioned below for details).
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU Library General Public License for more details.
19  *
20  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
21  */
22 
23 #include <fvfilters/or.h>
24 
25 #include <core/exception.h>
26 
27 #include <cstddef>
28 
29 #ifdef HAVE_IPP
30 # include <ippi.h>
31 #elif defined(HAVE_OPENCV)
32 # if CV_MAJOR_VERSION < 2 || (CV_MAJOR_VERSION == 2 && CV_MINOR_VERSION < 4)
33 # include <opencv/cv.h>
34 # endif
35 # include <opencv/cv.hpp>
36 #else
37 # error "Neither IPP nor OpenCV available"
38 #endif
39 
40 namespace firevision {
41 #if 0 /* just to make Emacs auto-indent happy */
42 }
43 #endif
44 
45 /** @class FilterOr <fvfilters/or.h>
46  * Or filter.
47  * @author Tim Niemueller
48  */
49 
50 /** Constructor. */
52  : Filter("FilterOr", 2)
53 {
54 }
55 
56 
57 void
59 {
60 #ifdef HAVE_IPP
61  IppiSize size;
62  size.width = src_roi[0]->width;
63  size.height = src_roi[0]->height;
64 
65  IppStatus status;
66 
67  if ( (dst == NULL) || (dst == src[1]) ) {
68  // In-place
69  status = ippiOr_8u_C1IR(src[0] + (src_roi[0]->start.y * src_roi[0]->line_step) + (src_roi[0]->start.x * src_roi[0]->pixel_step),
70  src_roi[0]->line_step,
71  src[1] + (src_roi[1]->start.y * src_roi[1]->line_step) + (src_roi[1]->start.x * src_roi[1]->pixel_step),
72  src_roi[1]->line_step,
73  size);
74 
75  } else {
76  status = ippiOr_8u_C1R(src[0] + (src_roi[0]->start.y * src_roi[0]->line_step) + (src_roi[0]->start.x * src_roi[0]->pixel_step),
77  src_roi[0]->line_step,
78  src[1] + (src_roi[1]->start.y * src_roi[1]->line_step) + (src_roi[1]->start.x * src_roi[1]->pixel_step),
79  src_roi[1]->line_step,
82  size);
83  }
84 
85  if ( status != ippStsNoErr ) {
86  throw fawkes::Exception("Or filter failed with %i\n", status);
87  }
88 #elif defined(HAVE_OPENCV)
89 
90  if ((dst == NULL) || (dst == src[0])) {
91  throw fawkes::Exception("OpenCV-based OR filter cannot be in-place");
92  }
93 
94  cv::Mat srcm_0(src_roi[0]->height, src_roi[0]->width, CV_8UC1,
95  src[0] +
96  (src_roi[0]->start.y * src_roi[0]->line_step) +
97  (src_roi[0]->start.x * src_roi[0]->pixel_step),
98  src_roi[0]->line_step);
99 
100  cv::Mat srcm_1(src_roi[1]->height, src_roi[1]->width, CV_8UC1,
101  src[1] +
102  (src_roi[1]->start.y * src_roi[1]->line_step) +
103  (src_roi[1]->start.x * src_roi[1]->pixel_step),
104  src_roi[1]->line_step);
105 
106  cv::Mat dstm(dst_roi->height, dst_roi->width, CV_8UC1,
107  dst +
110  dst_roi->line_step);
111 
112  cv::bitwise_or(srcm_0, srcm_1, dstm);
113 
114 #endif
115 }
116 
117 } // end namespace firevision
virtual void apply()
Apply the filter.
Definition: or.cpp:58
fawkes::upoint_t start
ROI start.
Definition: roi.h:119
unsigned int y
y coordinate
Definition: types.h:36
unsigned int x
x coordinate
Definition: types.h:35
unsigned int width
ROI width.
Definition: roi.h:121
unsigned char ** src
Source buffers, dynamically allocated by Filter ctor.
Definition: filter.h:65
Base class for exceptions in Fawkes.
Definition: exception.h:36
Filter interface.
Definition: filter.h:35
ROI ** src_roi
Source ROIs, dynamically allocated by Filter ctor.
Definition: filter.h:70
unsigned int height
ROI height.
Definition: roi.h:123
unsigned int line_step
line step
Definition: roi.h:129
FilterOr()
Constructor.
Definition: or.cpp:51
unsigned char * dst
Destination buffer.
Definition: filter.h:67
unsigned int pixel_step
pixel step
Definition: roi.h:131
ROI * dst_roi
Destination ROI.
Definition: filter.h:72