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 }
  39
  40
  41 ViewerBaseOperation::ViewerBaseOperation() : NodeOperation()
  42 {
  43         this->setImage(NULL);
  44         this->setImageUser(NULL);
  45         this->m_outputBuffer = NULL;
  46         this->m_outputBufferDisplay = NULL;
  47         this->m_active = false;
  48         this->m_doColorManagement = true;
  49 }
  50
  51 void ViewerBaseOperation::initExecution()
  52 {
  53         if (isActiveViewerOutput()) {
  54                 initImage();
  55         }
  56 }
  57
  58 void ViewerBaseOperation::initImage()
  59 {
  60         Image *anImage = this->m_image;
  61         ImBuf *ibuf = BKE_image_acquire_ibuf(anImage, this->m_imageUser, &this->m_lock);
  62
  63         if (!ibuf) return;
  64         if (ibuf->x != (int)getWidth() || ibuf->y != (int)getHeight()) {
  65                 imb_freerectImBuf(ibuf);
  66                 imb_freerectfloatImBuf(ibuf);
  67                 IMB_freezbuffloatImBuf(ibuf);
  68                 ibuf->x = getWidth();
  69                 ibuf->y = getHeight();
  70                 imb_addrectImBuf(ibuf);
  71                 imb_addrectfloatImBuf(ibuf);
  72                 anImage->ok = IMA_OK_LOADED;
  73         }
  74
  75         /* now we combine the input with ibuf */
  76         this->m_outputBuffer = ibuf->rect_float;
  77         this->m_outputBufferDisplay = (unsigned char *)ibuf->rect;
  78
  79         BKE_image_release_ibuf(this->m_image, this->m_lock);
  80 }
  81 void ViewerBaseOperation:: updateImage(rcti *rect)
  82 {
  83         WM_main_add_notifier(NC_WINDOW | ND_DRAW, NULL);
  84 }
  85
  86 void ViewerBaseOperation::deinitExecution()
  87 {
  88         this->m_outputBuffer = NULL;
  89 }
  90
  91 const CompositorPriority ViewerBaseOperation::getRenderPriority() const
  92 {
  93         if (this->isActiveViewerOutput()) {
  94                 return COM_PRIORITY_HIGH;
  95         }
  96         else {
  97                 return COM_PRIORITY_LOW;
  98         }
  99 }