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
|
/*
* Copyright 2011, Blender Foundation.
*
* 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.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_HueSaturationValueCorrectOperation.h"
#include "BLI_math.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "BKE_colortools.h"
#ifdef __cplusplus
}
#endif
HueSaturationValueCorrectOperation::HueSaturationValueCorrectOperation() : CurveBaseOperation()
{
this->addInputSocket(COM_DT_COLOR);
this->addOutputSocket(COM_DT_COLOR);
this->m_inputProgram = NULL;
}
void HueSaturationValueCorrectOperation::initExecution()
{
CurveBaseOperation::initExecution();
this->m_inputProgram = this->getInputSocketReader(0);
}
void HueSaturationValueCorrectOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
{
float hsv[4], f;
this->m_inputProgram->read(hsv, x, y, sampler);
/* adjust hue, scaling returned default 0.5 up to 1 */
f = curvemapping_evaluateF(this->m_curveMapping, 0, hsv[0]);
hsv[0] += f - 0.5f;
/* adjust saturation, scaling returned default 0.5 up to 1 */
f = curvemapping_evaluateF(this->m_curveMapping, 1, hsv[0]);
hsv[1] *= (f * 2.f);
/* adjust value, scaling returned default 0.5 up to 1 */
f = curvemapping_evaluateF(this->m_curveMapping, 2, hsv[0]);
hsv[2] *= (f * 2.f);
hsv[0] = hsv[0] - floorf(hsv[0]); /* mod 1.0 */
CLAMP(hsv[1], 0.0f, 1.0f);
output[0] = hsv[0];
output[1] = hsv[1];
output[2] = hsv[2];
output[3] = hsv[3];
}
void HueSaturationValueCorrectOperation::deinitExecution()
{
this->m_inputProgram = NULL;
}
|
