blob: 5f76a942a59d69abaad1b1d4580b8a61fc825248 (
plain)
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
|
/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
#include "subd_stencil.h"
#include "util_debug.h"
#include "util_math.h"
CCL_NAMESPACE_BEGIN
StencilMask::StencilMask()
{
}
StencilMask::StencilMask(int size)
{
/* initialize weights to zero. */
weights.resize(size, 0.0f);
}
void StencilMask::resize(int size)
{
weights.resize(size, 0.0f);
}
StencilMask& StencilMask::operator=(float value)
{
const int size = weights.size();
for(int i = 0; i < size; i++)
weights[i] = value;
return *this;
}
void StencilMask::operator+=(const StencilMask& mask)
{
assert(mask.size() == size());
const int size = weights.size();
for(int i = 0; i < size; i++)
weights[i] += mask.weights[i];
}
void StencilMask::operator-=(const StencilMask& mask)
{
assert(mask.size() == size());
const int size = weights.size();
for(int i = 0; i < size; i++)
weights[i] -= mask.weights[i];
}
void StencilMask::operator*=(float scale)
{
const int size = weights.size();
for(int i = 0; i < size; i++)
weights[i] *= scale;
}
void StencilMask::operator/=(float scale)
{
*this *= 1.0f/scale;
}
float StencilMask::sum() const
{
float total = 0.0f;
const int size = weights.size();
for(int i = 0; i < size; i++)
total += weights[i];
return total;
}
bool StencilMask::is_normalized() const
{
return fabsf(sum() - 1.0f) < 0.0001f;
}
void StencilMask::normalize()
{
*this /= sum();
}
CCL_NAMESPACE_END
|