74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/*
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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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* Copyright 2011, Blender Foundation.
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*/
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#include "COM_GlareThresholdOperation.h"
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#include "BLI_math.h"
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#include "IMB_colormanagement.h"
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namespace blender::compositor {
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GlareThresholdOperation::GlareThresholdOperation()
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{
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this->addInputSocket(DataType::Color, ResizeMode::FitAny);
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this->addOutputSocket(DataType::Color);
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this->m_inputProgram = nullptr;
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}
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void GlareThresholdOperation::determineResolution(unsigned int resolution[2],
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unsigned int preferredResolution[2])
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{
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NodeOperation::determineResolution(resolution, preferredResolution);
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resolution[0] = resolution[0] / (1 << this->m_settings->quality);
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resolution[1] = resolution[1] / (1 << this->m_settings->quality);
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}
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void GlareThresholdOperation::initExecution()
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{
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this->m_inputProgram = this->getInputSocketReader(0);
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}
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void GlareThresholdOperation::executePixelSampled(float output[4],
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float x,
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float y,
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PixelSampler sampler)
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{
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const float threshold = this->m_settings->threshold;
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this->m_inputProgram->readSampled(output, x, y, sampler);
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if (IMB_colormanagement_get_luminance(output) >= threshold) {
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output[0] -= threshold;
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output[1] -= threshold;
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output[2] -= threshold;
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output[0] = MAX2(output[0], 0.0f);
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output[1] = MAX2(output[1], 0.0f);
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output[2] = MAX2(output[2], 0.0f);
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}
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else {
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zero_v3(output);
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}
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}
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void GlareThresholdOperation::deinitExecution()
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{
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this->m_inputProgram = nullptr;
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}
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} // namespace blender::compositor
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