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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. */
#include "COM_ColorRampOperation.h"
#include "BKE_colorband.h"
namespace blender::compositor {
ColorRampOperation::ColorRampOperation()
{
this->add_input_socket(DataType::Value);
this->add_output_socket(DataType::Color);
input_program_ = nullptr;
color_band_ = nullptr;
flags_.can_be_constant = true;
}
void ColorRampOperation::init_execution()
{
input_program_ = this->get_input_socket_reader(0);
}
void ColorRampOperation::execute_pixel_sampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float values[4];
input_program_->read_sampled(values, x, y, sampler);
BKE_colorband_evaluate(color_band_, values[0], output);
}
void ColorRampOperation::deinit_execution()
{
input_program_ = nullptr;
}
void ColorRampOperation::update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs)
{
for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
BKE_colorband_evaluate(color_band_, *it.in(0), it.out);
}
}
} // namespace blender::compositor
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