mirrored from https://projects.blender.org/blender/blender.git
-
Notifications
You must be signed in to change notification settings - Fork 1.8k
/
ies.h
46 lines (35 loc) · 1.1 KB
/
ies.h
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
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#ifndef __UTIL_IES_H__
#define __UTIL_IES_H__
#include "util/string.h"
#include "util/vector.h"
CCL_NAMESPACE_BEGIN
class IESFile {
public:
IESFile() {}
~IESFile();
int packed_size();
void pack(float *data);
bool load(const string &ies);
void clear();
protected:
bool parse(const string &ies);
bool process();
void process_type_a();
void process_type_b();
void process_type_c();
/* The brightness distribution is stored in spherical coordinates.
* The horizontal angles correspond to theta in the regular notation
* and always span the full range from 0° to 360°.
* The vertical angles correspond to phi and always start at 0°. */
vector<float> v_angles, h_angles;
/* The actual values are stored here, with every entry storing the values
* of one horizontal segment. */
vector<vector<float>> intensity;
/* Types of angle representation in IES files. */
enum IESType { TYPE_A = 3, TYPE_B = 2, TYPE_C = 1 } type;
};
CCL_NAMESPACE_END
#endif /* __UTIL_IES_H__ */