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Viewing changes to source/blender/compositor/operations/COM_ViewerOperation.cpp

  • Committer: Package Import Robot
  • Author(s): Jeremy Bicha
  • Date: 2013-03-06 12:08:47 UTC
  • mfrom: (1.5.1) (14.1.8 experimental)
  • Revision ID: package-import@ubuntu.com-20130306120847-frjfaryb2zrotwcg
Tags: 2.66a-1ubuntu1
https://launchpad.net/bugs/1076930
https://launchpad.net/bugs/1089256
https://launchpad.net/bugs/1052743
https://launchpad.net/bugs/999024
* Resynchronize with Debian (LP: #1076930, #1089256, #1052743, #999024,
  #1122888, #1147084)
* debian/control:
  - Lower build-depends on libavcodec-dev since we're not
    doing the libav9 transition in Ubuntu yet

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source/blender/compositor/operations/COM_ViewerOperation.cpp
 
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/*
 
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 * Copyright 2011, Blender Foundation.
 
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 *
 
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 * This program is free software; you can redistribute it and/or
 
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 * modify it under the terms of the GNU General Public License
 
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 * as published by the Free Software Foundation; either version 2
 
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 * of the License, or (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software Foundation,
 
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
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 *
 
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 * Contributor: 
 
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 *              Jeroen Bakker 
 
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 *              Monique Dewanchand
 
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 */
 
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#include "COM_ViewerOperation.h"
 
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#include "COM_SocketConnection.h"
 
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#include "BLI_listbase.h"
 
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#include "BKE_image.h"
 
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#include "WM_api.h"
 
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#include "WM_types.h"
 
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#include "PIL_time.h"
 
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#include "BLI_utildefines.h"
 
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#include "BLI_math_color.h"
 
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#include "BLI_math_vector.h"
 
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extern "C" {
 
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        #include "MEM_guardedalloc.h"
 
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        #include "IMB_imbuf.h"
 
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        #include "IMB_imbuf_types.h"
 
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}
 
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ViewerOperation::ViewerOperation() : ViewerBaseOperation()
 
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{
 
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        this->addInputSocket(COM_DT_COLOR);
 
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        this->addInputSocket(COM_DT_VALUE);
 
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        this->addInputSocket(COM_DT_VALUE);
 
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        this->m_imageInput = NULL;
 
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        this->m_alphaInput = NULL;
 
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        this->m_depthInput = NULL;
 
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}
 
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void ViewerOperation::initExecution()
 
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{
 
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        // When initializing the tree during initial load the width and height can be zero.
 
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        this->m_imageInput = getInputSocketReader(0);
 
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        this->m_alphaInput = getInputSocketReader(1);
 
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        this->m_depthInput = getInputSocketReader(2);
 
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        this->m_doDepthBuffer = (this->m_depthInput != NULL);
 
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        ViewerBaseOperation::initExecution();
 
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}
 
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void ViewerOperation::deinitExecution()
 
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{
 
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        this->m_imageInput = NULL;
 
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        this->m_alphaInput = NULL;
 
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        this->m_depthInput = NULL;
 
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        ViewerBaseOperation::deinitExecution();
 
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}
 
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void ViewerOperation::executeRegion(rcti *rect, unsigned int tileNumber)
 
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{
 
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        float *buffer = this->m_outputBuffer;
 
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        float *depthbuffer = this->m_depthBuffer;
 
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        if (!buffer) return;
 
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        const int x1 = rect->xmin;
 
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        const int y1 = rect->ymin;
 
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        const int x2 = rect->xmax;
 
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        const int y2 = rect->ymax;
 
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        const int offsetadd = (this->getWidth() - (x2 - x1));
 
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        const int offsetadd4 = offsetadd * 4;
 
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        int offset = (y1 * this->getWidth() + x1);
 
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        int offset4 = offset * 4;
 
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        float alpha[4], depth[4];
 
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        int x;
 
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        int y;
 
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        bool breaked = false;
 
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        for (y = y1; y < y2 && (!breaked); y++) {
 
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                for (x = x1; x < x2; x++) {
 
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                        this->m_imageInput->read(&(buffer[offset4]), x, y, COM_PS_NEAREST);
 
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                        if (this->m_ignoreAlpha) {
 
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                                buffer[offset4 + 3] = 1.0f;
 
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                        }
 
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                        else {
 
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                                if (this->m_alphaInput != NULL) {
 
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                                        this->m_alphaInput->read(alpha, x, y, COM_PS_NEAREST);
 
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                                        buffer[offset4 + 3] = alpha[0];
 
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                                }
 
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                        }
 
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                        if (m_depthInput) {
 
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                                this->m_depthInput->read(depth, x, y, COM_PS_NEAREST);
 
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                                depthbuffer[offset] = depth[0];
 
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                        }
 
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                        offset ++;
 
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                        offset4 += 4;
 
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                }
 
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                if (isBreaked()) {
 
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                        breaked = true;
 
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                }
 
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                offset += offsetadd;
 
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                offset4 += offsetadd4;
 
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        }
 
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        updateImage(rect);
 
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}