Manuel Castilla
d481c6651d
Adds full frame implementation to "Alpha Over", "Hue Saturation Value", "Invert", "Tonemap" and "ZCombine" nodes. The other nodes in "Color" submenu are implemented separately. No functional changes. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D12092
102 lines
3.2 KiB
C++
102 lines
3.2 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_InvertOperation.h"
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namespace blender::compositor {
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InvertOperation::InvertOperation()
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{
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this->addInputSocket(DataType::Value);
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this->addInputSocket(DataType::Color);
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this->addOutputSocket(DataType::Color);
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this->m_inputValueProgram = nullptr;
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this->m_inputColorProgram = nullptr;
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this->m_color = true;
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this->m_alpha = false;
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setResolutionInputSocketIndex(1);
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this->flags.can_be_constant = true;
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}
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void InvertOperation::initExecution()
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{
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this->m_inputValueProgram = this->getInputSocketReader(0);
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this->m_inputColorProgram = this->getInputSocketReader(1);
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}
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void InvertOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
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{
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float inputValue[4];
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float inputColor[4];
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this->m_inputValueProgram->readSampled(inputValue, x, y, sampler);
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this->m_inputColorProgram->readSampled(inputColor, x, y, sampler);
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const float value = inputValue[0];
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const float invertedValue = 1.0f - value;
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if (this->m_color) {
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output[0] = (1.0f - inputColor[0]) * value + inputColor[0] * invertedValue;
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output[1] = (1.0f - inputColor[1]) * value + inputColor[1] * invertedValue;
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output[2] = (1.0f - inputColor[2]) * value + inputColor[2] * invertedValue;
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}
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else {
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copy_v3_v3(output, inputColor);
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}
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if (this->m_alpha) {
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output[3] = (1.0f - inputColor[3]) * value + inputColor[3] * invertedValue;
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}
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else {
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output[3] = inputColor[3];
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}
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}
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void InvertOperation::deinitExecution()
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{
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this->m_inputValueProgram = nullptr;
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this->m_inputColorProgram = nullptr;
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}
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void InvertOperation::update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs)
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{
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for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
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const float value = *it.in(0);
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const float inverted_value = 1.0f - value;
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const float *color = it.in(1);
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if (this->m_color) {
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it.out[0] = (1.0f - color[0]) * value + color[0] * inverted_value;
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it.out[1] = (1.0f - color[1]) * value + color[1] * inverted_value;
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it.out[2] = (1.0f - color[2]) * value + color[2] * inverted_value;
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}
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else {
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copy_v3_v3(it.out, color);
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}
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if (this->m_alpha) {
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it.out[3] = (1.0f - color[3]) * value + color[3] * inverted_value;
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}
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else {
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it.out[3] = color[3];
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}
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}
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}
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} // namespace blender::compositor
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