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/*
* $Id: CMP_premulkey.c 36333 2011-04-26 09:27:43Z lukastoenne $
*
* ***** 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) 2006 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/nodes/composite/nodes/node_composite_premulkey.c
* \ingroup cmpnodes
*/
#include "node_composite_util.h"
/* **************** Premul and Key Alpha Convert ******************** */
static bNodeSocketTemplate cmp_node_premulkey_in[]= {
{ SOCK_RGBA, 1, "Image", 0.8f, 0.8f, 0.8f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketTemplate cmp_node_premulkey_out[]= {
{ SOCK_RGBA, 0, "Image"},
{ -1, 0, "" }
};
static void node_composit_exec_premulkey(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
if(out[0]->hasoutput==0)
return;
if(in[0]->data) {
CompBuf *stackbuf, *cbuf= typecheck_compbuf(in[0]->data, CB_RGBA);
stackbuf= dupalloc_compbuf(cbuf);
premul_compbuf(stackbuf, node->custom1 == 1);
out[0]->data = stackbuf;
if(cbuf != in[0]->data)
free_compbuf(cbuf);
}
}
void register_node_type_cmp_premulkey(ListBase *lb)
{
static bNodeType ntype;
node_type_base(&ntype, CMP_NODE_PREMULKEY, "Alpha Convert", NODE_CLASS_CONVERTOR, NODE_OPTIONS);
node_type_socket_templates(&ntype, cmp_node_premulkey_in, cmp_node_premulkey_out);
node_type_size(&ntype, 140, 100, 320);
node_type_exec(&ntype, node_composit_exec_premulkey);
nodeRegisterType(lb, &ntype);
}
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