110 lines
3.0 KiB
C++
110 lines
3.0 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_SplitViewerOperation.h"
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#include "COM_SocketConnection.h"
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#include "BLI_listbase.h"
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#include "DNA_scene_types.h"
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#include "BKE_image.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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SplitViewerOperation::SplitViewerOperation() : ViewerBaseOperation()
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{
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this->addInputSocket(COM_DT_COLOR);
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this->addInputSocket(COM_DT_COLOR);
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this->image1Input = NULL;
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this->image2Input = NULL;
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}
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void SplitViewerOperation::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->image1Input = getInputSocketReader(0);
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this->image2Input = getInputSocketReader(1);
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ViewerBaseOperation::initExecution();
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}
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void SplitViewerOperation::deinitExecution()
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{
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this->image1Input = NULL;
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this->image2Input = NULL;
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ViewerBaseOperation::deinitExecution();
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}
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void SplitViewerOperation::executeRegion(rcti *rect, unsigned int tileNumber, MemoryBuffer** memoryBuffers)
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{
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float *buffer = this->outputBuffer;
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unsigned char *bufferDisplay = this->outputBufferDisplay;
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if (!buffer) return;
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int x1 = rect->xmin;
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int y1 = rect->ymin;
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int x2 = rect->xmax;
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int y2 = rect->ymax;
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int offset = (y1*this->getWidth() + x1 ) * 4;
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int x;
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int y;
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int perc = xSplit?this->splitPercentage*getWidth()/100.0f:this->splitPercentage*getHeight()/100.0f;
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for (y = y1 ; y < y2 ; y++) {
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for (x = x1 ; x < x2 ; x++) {
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bool image1;
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float srgb[4];
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image1 = xSplit?x>perc:y>perc;
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if (image1) {
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image1Input->read(&(buffer[offset]), x, y, COM_PS_NEAREST, memoryBuffers);
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}
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else {
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image2Input->read(&(buffer[offset]), x, y, COM_PS_NEAREST, memoryBuffers);
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}
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/// @todo: linear conversion only when scene color management is selected, also check predivide.
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if (this->doColorManagement) {
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if (this->doColorPredivide) {
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linearrgb_to_srgb_predivide_v4(srgb, buffer+offset);
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}
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else {
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linearrgb_to_srgb_v4(srgb, buffer+offset);
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}
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}
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else {
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copy_v4_v4(srgb, buffer+offset);
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}
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F4TOCHAR4(srgb, bufferDisplay+offset);
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offset +=4;
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}
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offset += (this->getWidth()-(x2-x1))*4;
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}
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updateImage(rect);
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}
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