49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
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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_GlareThresholdOperation.h"
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#include "BLI_math.h"
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GlareThresholdOperation::GlareThresholdOperation(): NodeOperation() {
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this->addInputSocket(COM_DT_COLOR);
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this->addOutputSocket(COM_DT_COLOR);
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this->inputProgram = NULL;
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}
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void GlareThresholdOperation::initExecution() {
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this->inputProgram = this->getInputSocketReader(0);
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}
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void GlareThresholdOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
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this->inputProgram->read(color, x, y, sampler, inputBuffers);
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if ((0.212671f*color[0] + 0.71516f*color[1] + 0.072169f*color[2]) >= threshold) {
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color[0] -= threshold, color[1] -= threshold, color[2] -= threshold;
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color[0] = MAX2(color[0], 0.f);
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color[1] = MAX2(color[1], 0.f);
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color[2] = MAX2(color[2], 0.f);
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}
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else color[0] = color[1] = color[2] = 0.f;
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}
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void GlareThresholdOperation::deinitExecution() {
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this->inputProgram = NULL;
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}
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