tornavis/source/blender/compositor/nodes/COM_ViewerNode.cc

68 lines
2.4 KiB
C++

/* SPDX-FileCopyrightText: 2011 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include "COM_ViewerNode.h"
#include "COM_ViewerOperation.h"
namespace blender::compositor {
ViewerNode::ViewerNode(bNode *editor_node) : Node(editor_node)
{
/* pass */
}
void ViewerNode::convert_to_operations(NodeConverter &converter,
const CompositorContext &context) const
{
const bNode *editor_node = this->get_bnode();
bool is_active = (editor_node->flag & NODE_DO_OUTPUT_RECALC || context.is_rendering()) &&
(editor_node->flag & NODE_DO_OUTPUT);
bool ignore_alpha = (editor_node->custom2 & CMP_NODE_OUTPUT_IGNORE_ALPHA) != 0;
NodeInput *image_socket = this->get_input_socket(0);
NodeInput *alpha_socket = this->get_input_socket(1);
Image *image = (Image *)this->get_bnode()->id;
ImageUser *image_user = (ImageUser *)this->get_bnode()->storage;
ViewerOperation *viewer_operation = new ViewerOperation();
viewer_operation->set_bnodetree(context.get_bnodetree());
viewer_operation->set_image(image);
viewer_operation->set_image_user(image_user);
viewer_operation->setCenterX(editor_node->custom3);
viewer_operation->setCenterY(editor_node->custom4);
/* alpha socket gives either 1 or a custom alpha value if "use alpha" is enabled */
viewer_operation->set_use_alpha_input(ignore_alpha || alpha_socket->is_linked());
viewer_operation->set_render_data(context.get_render_data());
viewer_operation->set_view_name(context.get_view_name());
Scene *scene = context.get_scene();
viewer_operation->set_view_settings(&scene->view_settings);
viewer_operation->set_display_settings(&scene->display_settings);
viewer_operation->set_canvas_input_index(0);
if (!image_socket->is_linked()) {
if (alpha_socket->is_linked()) {
viewer_operation->set_canvas_input_index(1);
}
}
converter.add_operation(viewer_operation);
converter.map_input_socket(image_socket, viewer_operation->get_input_socket(0));
/* only use alpha link if "use alpha" is enabled */
if (ignore_alpha) {
converter.add_input_value(viewer_operation->get_input_socket(1), 1.0f);
}
else {
converter.map_input_socket(alpha_socket, viewer_operation->get_input_socket(1));
}
converter.add_node_input_preview(image_socket);
if (is_active) {
converter.register_viewer(viewer_operation);
}
}
} // namespace blender::compositor