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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2021 Blender Foundation. */
#include "COM_ConvertColorSpaceOperation.h"
namespace blender::compositor {
ConvertColorSpaceOperation::ConvertColorSpaceOperation()
{
this->add_input_socket(DataType::Color);
this->add_output_socket(DataType::Color);
this->input_program_ = nullptr;
color_processor_ = nullptr;
}
void ConvertColorSpaceOperation::set_settings(NodeConvertColorSpace *node_color_space)
{
this->settings_ = node_color_space;
}
void ConvertColorSpaceOperation::init_execution()
{
if (BLI_strnlen(settings_->from_color_space, sizeof(settings_->from_color_space)) == 0 ||
BLI_strnlen(settings_->to_color_space, sizeof(settings_->to_color_space)) == 0) {
return;
}
int in_colorspace_index = IMB_colormanagement_colorspace_get_named_index(
settings_->from_color_space);
int out_colorspace_index = IMB_colormanagement_colorspace_get_named_index(
settings_->to_color_space);
if (in_colorspace_index == 0 || out_colorspace_index == 0) {
return;
}
this->input_program_ = this->get_input_socket_reader(0);
color_processor_ = IMB_colormanagement_colorspace_processor_new(settings_->from_color_space,
settings_->to_color_space);
}
void ConvertColorSpaceOperation::execute_pixel_sampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
this->input_program_->read_sampled(output, x, y, sampler);
if (color_processor_ != nullptr) {
IMB_colormanagement_processor_apply_pixel(color_processor_, output, 3);
}
}
void ConvertColorSpaceOperation::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) {
copy_v4_v4(it.out, it.in(0));
}
if (color_processor_ != nullptr) {
output->apply_processor(*color_processor_, area);
}
}
void ConvertColorSpaceOperation::deinit_execution()
{
if (color_processor_ != nullptr) {
IMB_colormanagement_processor_free(color_processor_);
}
this->input_program_ = nullptr;
this->color_processor_ = nullptr;
}
} // namespace blender::compositor
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