Sergey Sharybin
75cbb07507
is straight or not (premultiplied is default). This is useful in cases when you want to check on output of such nodes as keying which does have straight alpha output. Also added missing do_version code to previous compo do_versions.
115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
/*
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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_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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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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if (this->m_straightAlpha)
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straight_to_premul_v4(buffer + offset4);
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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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}
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