/*
 * ***** 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_viewer.c
 *  \ingroup texnodes
 */


#include "node_texture_util.h"
#include "NOD_texture.h"
#include <math.h>

static bNodeSocketTemplate inputs[] = {
	{ SOCK_RGBA, 1, N_("Color"), 1.0f, 0.0f, 0.0f, 1.0f },
	{ -1, 0, "" }
};
static bNodeSocketTemplate outputs[] = {
	{ -1, 0, "" }
};

static void exec(void *data, int UNUSED(thread), bNode *UNUSED(node), bNodeExecData *execdata, bNodeStack **in, bNodeStack **UNUSED(out))
{
	TexCallData *cdata = (TexCallData *)data;

	if (cdata->do_preview) {
		TexParams params;
		float col[4];
		params_from_cdata(&params, cdata);

		tex_input_rgba(col, in[0], &params, cdata->thread);
		tex_do_preview(execdata->preview, params.previewco, col, cdata->do_manage);
	}
}

void register_node_type_tex_viewer(void)
{
	static bNodeType ntype;

	tex_node_type_base(&ntype, TEX_NODE_VIEWER, "Viewer", NODE_CLASS_OUTPUT, NODE_PREVIEW);
	node_type_socket_templates(&ntype, inputs, outputs);
	node_type_exec(&ntype, NULL, NULL, exec);

	/* Do not allow muting viewer node. */
	node_type_internal_links(&ntype, NULL);

	nodeRegisterType(&ntype);
}