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
|
/*
* 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.
*
* Copyright 2012, Blender Foundation.
*/
#pragma once
#include "COM_MixOperation.h"
namespace blender::compositor {
/**
* this program converts an input color to an output value.
* it assumes we are in sRGB color space.
*/
class ChannelMatteOperation : public NodeOperation {
private:
SocketReader *m_inputImageProgram;
/* int m_color_space; */ /* node->custom1 */ /* UNUSED */ /* TODO ? */
int m_matte_channel; /* node->custom2 */
int m_limit_method; /* node->algorithm */
int m_limit_channel; /* node->channel */
float m_limit_max; /* node->storage->t1 */
float m_limit_min; /* node->storage->t2 */
float m_limit_range;
/** ids to use for the operations (max and simple)
* alpha = in[ids[0]] - MAX2(in[ids[1]], in[ids[2]])
* the simple operation is using:
* alpha = in[ids[0]] - in[ids[1]]
* but to use the same formula and operation for both we do:
* ids[2] = ids[1]
* alpha = in[ids[0]] - MAX2(in[ids[1]], in[ids[2]])
*/
int m_ids[3];
public:
/**
* Default constructor
*/
ChannelMatteOperation();
/**
* The inner loop of this operation.
*/
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler) override;
void initExecution() override;
void deinitExecution() override;
void setSettings(NodeChroma *nodeChroma, const int custom2)
{
this->m_limit_max = nodeChroma->t1;
this->m_limit_min = nodeChroma->t2;
this->m_limit_method = nodeChroma->algorithm;
this->m_limit_channel = nodeChroma->channel;
this->m_matte_channel = custom2;
}
};
} // namespace blender::compositor
|
