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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Robin Allen
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/nodes/texture/nodes/node_texture_invert.c
* \ingroup texnodes
*/
#include "node_texture_util.h"
#include "NOD_texture.h"
/* **************** INVERT ******************** */
static bNodeSocketTemplate inputs[] = {
{ SOCK_RGBA, 1, N_("Color"), 0.0f, 0.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketTemplate outputs[] = {
{ SOCK_RGBA, 0, N_("Color")},
{ -1, 0, "" }
};
static void colorfn(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
{
float col[4];
tex_input_rgba(col, in[0], p, thread);
col[0] = 1.0f - col[0];
col[1] = 1.0f - col[1];
col[2] = 1.0f - col[2];
copy_v3_v3(out, col);
out[3] = col[3];
}
static void exec(void *data, int UNUSED(thread), bNode *node, bNodeExecData *execdata, bNodeStack **in, bNodeStack **out)
{
tex_output(node, execdata, in, out[0], &colorfn, data);
}
void register_node_type_tex_invert(void)
{
static bNodeType ntype;
tex_node_type_base(&ntype, TEX_NODE_INVERT, "Invert", NODE_CLASS_OP_COLOR, 0);
node_type_socket_templates(&ntype, inputs, outputs);
node_type_exec(&ntype, NULL, NULL, exec);
nodeRegisterType(&ntype);
}
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