105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Copyright 2011, Blender Foundation.
|
|
*/
|
|
|
|
#include "COM_InvertOperation.h"
|
|
|
|
namespace blender::compositor {
|
|
|
|
InvertOperation::InvertOperation()
|
|
{
|
|
this->add_input_socket(DataType::Value);
|
|
this->add_input_socket(DataType::Color);
|
|
this->add_output_socket(DataType::Color);
|
|
input_value_program_ = nullptr;
|
|
input_color_program_ = nullptr;
|
|
color_ = true;
|
|
alpha_ = false;
|
|
set_canvas_input_index(1);
|
|
flags_.can_be_constant = true;
|
|
}
|
|
void InvertOperation::init_execution()
|
|
{
|
|
input_value_program_ = this->get_input_socket_reader(0);
|
|
input_color_program_ = this->get_input_socket_reader(1);
|
|
}
|
|
|
|
void InvertOperation::execute_pixel_sampled(float output[4],
|
|
float x,
|
|
float y,
|
|
PixelSampler sampler)
|
|
{
|
|
float input_value[4];
|
|
float input_color[4];
|
|
input_value_program_->read_sampled(input_value, x, y, sampler);
|
|
input_color_program_->read_sampled(input_color, x, y, sampler);
|
|
|
|
const float value = input_value[0];
|
|
const float inverted_value = 1.0f - value;
|
|
|
|
if (color_) {
|
|
output[0] = (1.0f - input_color[0]) * value + input_color[0] * inverted_value;
|
|
output[1] = (1.0f - input_color[1]) * value + input_color[1] * inverted_value;
|
|
output[2] = (1.0f - input_color[2]) * value + input_color[2] * inverted_value;
|
|
}
|
|
else {
|
|
copy_v3_v3(output, input_color);
|
|
}
|
|
|
|
if (alpha_) {
|
|
output[3] = (1.0f - input_color[3]) * value + input_color[3] * inverted_value;
|
|
}
|
|
else {
|
|
output[3] = input_color[3];
|
|
}
|
|
}
|
|
|
|
void InvertOperation::deinit_execution()
|
|
{
|
|
input_value_program_ = nullptr;
|
|
input_color_program_ = nullptr;
|
|
}
|
|
|
|
void InvertOperation::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) {
|
|
const float value = *it.in(0);
|
|
const float inverted_value = 1.0f - value;
|
|
const float *color = it.in(1);
|
|
|
|
if (color_) {
|
|
it.out[0] = (1.0f - color[0]) * value + color[0] * inverted_value;
|
|
it.out[1] = (1.0f - color[1]) * value + color[1] * inverted_value;
|
|
it.out[2] = (1.0f - color[2]) * value + color[2] * inverted_value;
|
|
}
|
|
else {
|
|
copy_v3_v3(it.out, color);
|
|
}
|
|
|
|
if (alpha_) {
|
|
it.out[3] = (1.0f - color[3]) * value + color[3] * inverted_value;
|
|
}
|
|
else {
|
|
it.out[3] = color[3];
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace blender::compositor
|