TEX_compose.c

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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 *****
 */

#include "../TEX_util.h"      
#include "TEX_node.h"

static bNodeSocketType inputs[]= {
        { SOCK_VALUE, 1, "Red",   0.0f, 0.0f, 0.0f, 0.0f,  0.0f, 1.0f },
        { SOCK_VALUE, 1, "Green", 0.0f, 0.0f, 0.0f, 0.0f,  0.0f, 1.0f },
        { SOCK_VALUE, 1, "Blue",  0.0f, 0.0f, 0.0f, 0.0f,  0.0f, 1.0f },
        { SOCK_VALUE, 1, "Alpha", 1.0f, 0.0f, 0.0f, 0.0f,  0.0f, 1.0f },
        { -1, 0, "" }
};
static bNodeSocketType outputs[]= {
        { SOCK_RGBA, 0, "Color", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f },
        { -1, 0, "" }
};

static void colorfn(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
{
        int i;
        for(i = 0; i < 4; i++)
                out[i] = tex_input_value(in[i], p, thread);
}

static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
        tex_output(node, in, out[0], &colorfn, data);
}

void register_node_type_tex_compose(ListBase *lb)
{
        static bNodeType ntype;
        
        node_type_base(&ntype, TEX_NODE_COMPOSE, "Compose RGBA", NODE_CLASS_OP_COLOR, 0,
                                   inputs, outputs);
        node_type_size(&ntype, 100, 60, 150);
        node_type_exec(&ntype, exec);
        
        nodeRegisterType(lb, &ntype);
}