COM_TransformNode.cc

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/* SPDX-FileCopyrightText: 2011 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "COM_TransformNode.h"
#include "COM_RotateOperation.h"
#include "COM_ScaleOperation.h"
#include "COM_SetSamplerOperation.h"
#include "COM_TranslateOperation.h"
 
namespace blender::compositor {
 
TransformNode::TransformNode(bNode *editor_node) : Node(editor_node)
{
  /* pass */
}
 
void TransformNode::convert_to_operations(NodeConverter &converter,
                                          const CompositorContext & /*context*/) const
{
  NodeInput *image_input = this->get_input_socket(0);
  NodeInput *x_input = this->get_input_socket(1);
  NodeInput *y_input = this->get_input_socket(2);
  NodeInput *angle_input = this->get_input_socket(3);
  NodeInput *scale_input = this->get_input_socket(4);
 
  ScaleRelativeOperation *scale_operation = new ScaleRelativeOperation();
  converter.add_operation(scale_operation);
 
  RotateOperation *rotate_operation = new RotateOperation();
  rotate_operation->set_do_degree2_rad_conversion(false);
  converter.add_operation(rotate_operation);
 
  TranslateOperation *translate_operation = new TranslateCanvasOperation();
  converter.add_operation(translate_operation);
 
  PixelSampler sampler = (PixelSampler)this->get_bnode()->custom1;
  scale_operation->set_sampler(sampler);
  rotate_operation->set_sampler(sampler);
  translate_operation->set_sampler(sampler);
 
  converter.map_input_socket(image_input, scale_operation->get_input_socket(0));
  converter.map_input_socket(scale_input, scale_operation->get_input_socket(1));
  converter.map_input_socket(scale_input,
                             scale_operation->get_input_socket(2));  // xscale = yscale
 
  converter.add_link(scale_operation->get_output_socket(), rotate_operation->get_input_socket(0));
  converter.map_input_socket(angle_input, rotate_operation->get_input_socket(1));
 
  converter.add_link(rotate_operation->get_output_socket(),
                     translate_operation->get_input_socket(0));
  converter.map_input_socket(x_input, translate_operation->get_input_socket(1));
  converter.map_input_socket(y_input, translate_operation->get_input_socket(2));
 
  converter.map_output_socket(get_output_socket(), translate_operation->get_output_socket());
}
 
}  // namespace blender::compositor