1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file blender/freestyle/intern/stroke/AdvancedFunctions0D.cpp
* \ingroup freestyle
* \brief Functions taking 0D input
*/
#include "AdvancedFunctions0D.h"
#include "Canvas.h"
#include "../view_map/Functions0D.h"
#include "../view_map/SteerableViewMap.h"
namespace Freestyle {
namespace Functions0D {
int DensityF0D::operator()(Interface0DIterator& iter)
{
Canvas *canvas = Canvas::getInstance();
int bound = _filter.getBound();
if ((iter->getProjectedX() - bound < 0) || (iter->getProjectedX() + bound>canvas->width()) ||
(iter->getProjectedY() - bound < 0) || (iter->getProjectedY() + bound>canvas->height()))
{
result = 0.0;
return 0;
}
RGBImage image;
canvas->readColorPixels((int)iter->getProjectedX() - bound, (int)iter->getProjectedY() - bound,
_filter.maskSize(), _filter.maskSize(), image);
result = _filter.getSmoothedPixel<RGBImage>(&image, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int LocalAverageDepthF0D::operator()(Interface0DIterator& iter)
{
Canvas *iViewer = Canvas::getInstance();
int bound = _filter.getBound();
if ((iter->getProjectedX() - bound < 0) || (iter->getProjectedX() + bound>iViewer->width()) ||
(iter->getProjectedY() - bound < 0) || (iter->getProjectedY() + bound>iViewer->height()))
{
result = 0.0;
return 0;
}
GrayImage image;
iViewer->readDepthPixels((int)iter->getProjectedX() - bound, (int)iter->getProjectedY() - bound,
_filter.maskSize(), _filter.maskSize(), image);
result = _filter.getSmoothedPixel(&image, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int ReadMapPixelF0D::operator()(Interface0DIterator& iter)
{
Canvas *canvas = Canvas::getInstance();
result = canvas->readMapPixel(_mapName, _level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int ReadSteerableViewMapPixelF0D::operator()(Interface0DIterator& iter)
{
SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
result = svm->readSteerableViewMapPixel(_orientation, _level, (int)iter->getProjectedX(),
(int)iter->getProjectedY());
return 0;
}
int ReadCompleteViewMapPixelF0D::operator()(Interface0DIterator& iter)
{
SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
result = svm->readCompleteViewMapPixel(_level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
return 0;
}
int GetViewMapGradientNormF0D::operator()(Interface0DIterator& iter)
{
SteerableViewMap *svm = Canvas::getInstance()->getSteerableViewMap();
float pxy = svm->readCompleteViewMapPixel(_level, (int)iter->getProjectedX(), (int)iter->getProjectedY());
float gx = svm->readCompleteViewMapPixel(_level, (int)iter->getProjectedX() + _step,
(int)iter->getProjectedY()) - pxy;
float gy = svm->readCompleteViewMapPixel(_level, (int)iter->getProjectedX(),
(int)iter->getProjectedY() + _step) - pxy;
result = Vec2f(gx, gy).norm();
return 0;
}
} // end of namespace Functions0D
} /* namespace Freestyle */
|