Fix T51308: Bright/Contrast Doesn't respect Pre-multiplied Alpha
[blender.git] / source / blender / compositor / operations / COM_BrightnessOperation.h
1 /*
2  * Copyright 2011, Blender Foundation.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * Contributor: 
19  *              Jeroen Bakker 
20  *              Monique Dewanchand
21  */
22
23 #ifndef _COM_BrightnessOperation_h
24 #define _COM_BrightnessOperation_h
25 #include "COM_NodeOperation.h"
26
27
28 class BrightnessOperation : public NodeOperation {
29 private:
30         /**
31          * Cached reference to the inputProgram
32          */
33         SocketReader *m_inputProgram;
34         SocketReader *m_inputBrightnessProgram;
35         SocketReader *m_inputContrastProgram;
36
37         bool m_use_premultiply;
38
39 public:
40         BrightnessOperation();
41         
42         /**
43          * the inner loop of this program
44          */
45         void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
46         
47         /**
48          * Initialize the execution
49          */
50         void initExecution();
51         
52         /**
53          * Deinitialize the execution
54          */
55         void deinitExecution();
56
57         void setUsePremultiply(bool use_premultiply);
58 };
59 #endif