Color management fixes and improvements
[blender.git] / source / blender / compositor / operations / COM_ViewerBaseOperation.cpp
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 #include "COM_ViewerBaseOperation.h"
24 #include "COM_SocketConnection.h"
25 #include "BLI_listbase.h"
26 #include "DNA_scene_types.h"
27 #include "BKE_image.h"
28 #include "WM_api.h"
29 #include "WM_types.h"
30 #include "PIL_time.h"
31 #include "BLI_utildefines.h"
32 #include "BLI_math_color.h"
33
34 extern "C" {
35         #include "MEM_guardedalloc.h"
36         #include "IMB_imbuf.h"
37         #include "IMB_imbuf_types.h"
38         #include "IMB_colormanagement.h"
39 }
40
41
42 ViewerBaseOperation::ViewerBaseOperation() : NodeOperation()
43 {
44         this->setImage(NULL);
45         this->setImageUser(NULL);
46         this->m_outputBuffer = NULL;
47         this->m_outputBufferDisplay = NULL;
48         this->m_active = false;
49         this->m_doColorManagement = true;
50 }
51
52 void ViewerBaseOperation::initExecution()
53 {
54         if (isActiveViewerOutput()) {
55                 initImage();
56         }
57 }
58
59 void ViewerBaseOperation::initImage()
60 {
61         Image *anImage = this->m_image;
62         ImBuf *ibuf = BKE_image_acquire_ibuf(anImage, this->m_imageUser, &this->m_lock);
63
64         if (!ibuf) return;
65         if (ibuf->x != (int)getWidth() || ibuf->y != (int)getHeight()) {
66                 imb_freerectImBuf(ibuf);
67                 imb_freerectfloatImBuf(ibuf);
68                 IMB_freezbuffloatImBuf(ibuf);
69                 ibuf->x = getWidth();
70                 ibuf->y = getHeight();
71                 imb_addrectImBuf(ibuf);
72                 imb_addrectfloatImBuf(ibuf);
73                 anImage->ok = IMA_OK_LOADED;
74         }
75
76         this->m_partialBufferUpdate = IMB_partial_buffer_update_context_new(ibuf);
77
78         /* now we combine the input with ibuf */
79         this->m_outputBuffer = ibuf->rect_float;
80         this->m_outputBufferDisplay = (unsigned char *)ibuf->rect;
81
82         BKE_image_release_ibuf(this->m_image, this->m_lock);
83 }
84 void ViewerBaseOperation:: updateImage(rcti *rect)
85 {
86         IMB_partial_buffer_update_rect(this->m_partialBufferUpdate, this->m_outputBuffer, rect);
87
88         WM_main_add_notifier(NC_WINDOW | ND_DRAW, NULL);
89 }
90
91 void ViewerBaseOperation::deinitExecution()
92 {
93         ImBuf *ibuf = BKE_image_acquire_ibuf(this->m_image, this->m_imageUser, &this->m_lock);
94
95         IMB_partial_buffer_update_free(this->m_partialBufferUpdate, ibuf);
96
97         BKE_image_release_ibuf(this->m_image, this->m_lock);
98
99         this->m_outputBuffer = NULL;
100 }
101
102 const CompositorPriority ViewerBaseOperation::getRenderPriority() const
103 {
104         if (this->isActiveViewerOutput()) {
105                 return COM_PRIORITY_HIGH;
106         }
107         else {
108                 return COM_PRIORITY_LOW;
109         }
110 }