Fawkes API
Fawkes Development Version
square_shrinker.cpp
1
2
/***************************************************************************
3
* square_shrinker.cpp - Implementation of SquareShrinker
4
*
5
* Created: Tue Apr 22 2008 20:58:40 (GO2008, day 4)
6
* Copyright 2005-2008 Tim Niemueller [www.niemueller.de]
7
*
8
****************************************************************************/
9
10
/* This program is free software; you can redistribute it and/or modify
11
* it under the terms of the GNU General Public License as published by
12
* the Free Software Foundation; either version 2 of the License, or
13
* (at your option) any later version. A runtime exception applies to
14
* this software (see LICENSE.GPL_WRE file mentioned below for details).
15
*
16
* This program is distributed in the hope that it will be useful,
17
* but WITHOUT ANY WARRANTY; without even the implied warranty of
18
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
* GNU Library General Public License for more details.
20
*
21
* Read the full text in the LICENSE.GPL_WRE file in the doc directory.
22
*/
23
24
#include <fvclassifiers/square_shrinker.h>
25
#include <fvmodels/color/colormodel.h>
26
#include <fvmodels/scanlines/scanlinemodel.h>
27
#include <fvutils/base/roi.h>
28
#include <fvutils/color/colorspaces.h>
29
30
#include <cstddef>
31
32
namespace
firevision {
33
34
/** @class SquareShrinker <fvclassifiers/square_shrinker.h>
35
* Square shrinker.
36
* This shrinker makes sure that a ROI is always squared.
37
* @author Tim Niemueller
38
*/
39
40
/** Constructor. */
41
SquareShrinker::SquareShrinker
() : Shrinker()
42
{
43
}
44
45
/** Shrink!
46
* Do the actual shrinking.
47
* @param roi ROI to shrink
48
*/
49
void
50
SquareShrinker::shrink
(
ROI
*roi)
51
{
52
if
(roi->
width
< roi->
height
) {
53
roi->
start
.
y
+= (roi->
height
- roi->
width
) / 2;
54
roi->
height
= roi->
width
;
55
}
else
if
(roi->
width
> roi->
height
) {
56
roi->
start
.
x
+= (roi->
width
- roi->
height
) / 2;
57
roi->
width
= roi->
height
;
58
}
59
}
60
61
}
// end namespace firevision
firevision::ROI::width
unsigned int width
ROI width.
Definition:
roi.h:123
firevision::ROI
Definition:
roi.h:60
firevision::ROI::height
unsigned int height
ROI height.
Definition:
roi.h:125
firevision::SquareShrinker::SquareShrinker
SquareShrinker()
Constructor.
Definition:
square_shrinker.cpp:47
fawkes::upoint_t::y
unsigned int y
y coordinate
Definition:
types.h:37
firevision::SquareShrinker::shrink
virtual void shrink(ROI *roi)
Shrink! Do the actual shrinking.
Definition:
square_shrinker.cpp:56
firevision::ROI::start
fawkes::upoint_t start
ROI start.
Definition:
roi.h:121
fawkes::upoint_t::x
unsigned int x
x coordinate
Definition:
types.h:36
src
libs
fvclassifiers
square_shrinker.cpp
Generated by
1.8.17