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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) 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_mapValue.c
* \ingroup cmpnodes
*/
#include "node_composite_util.h"
/* **************** MAP VALUE ******************** */
static bNodeSocketTemplate cmp_node_map_value_in[]= {
{ SOCK_FLOAT, 1, "Value", 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, PROP_NONE},
{ -1, 0, "" }
};
static bNodeSocketTemplate cmp_node_map_value_out[]= {
{ SOCK_FLOAT, 0, "Value"},
{ -1, 0, "" }
};
static void do_map_value(bNode *node, float *out, float *src)
{
TexMapping *texmap= node->storage;
out[0]= (src[0] + texmap->loc[0])*texmap->size[0];
if(texmap->flag & TEXMAP_CLIP_MIN)
if(out[0]<texmap->min[0])
out[0]= texmap->min[0];
if(texmap->flag & TEXMAP_CLIP_MAX)
if(out[0]>texmap->max[0])
out[0]= texmap->max[0];
}
static void node_composit_exec_map_value(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order in: valbuf */
/* stack order out: valbuf */
if(out[0]->hasoutput==0) return;
/* input no image? then only value operation */
if(in[0]->data==NULL) {
do_map_value(node, out[0]->vec, in[0]->vec);
}
else {
/* make output size of input image */
CompBuf *cbuf= in[0]->data;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); /* allocs */
composit1_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, do_map_value, CB_VAL);
out[0]->data= stackbuf;
}
}
static void node_composit_init_map_value(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp))
{
node->storage= add_tex_mapping();
}
void register_node_type_cmp_map_value(ListBase *lb)
{
static bNodeType ntype;
node_type_base(&ntype, CMP_NODE_MAP_VALUE, "Map Value", NODE_CLASS_OP_VECTOR, NODE_OPTIONS);
node_type_socket_templates(&ntype, cmp_node_map_value_in, cmp_node_map_value_out);
node_type_size(&ntype, 100, 60, 150);
node_type_init(&ntype, node_composit_init_map_value);
node_type_storage(&ntype, "TexMapping", node_free_standard_storage, node_copy_standard_storage);
node_type_exec(&ntype, node_composit_exec_map_value);
nodeRegisterType(lb, &ntype);
}
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