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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_idMask.c
* \ingroup cmpnodes
*/
#include "node_composite_util.h"
/* **************** ID Mask ******************** */
static bNodeSocketTemplate cmp_node_idmask_in[]= {
{ SOCK_FLOAT, 1, N_("ID value"), 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, PROP_NONE},
{ -1, 0, "" }
};
static bNodeSocketTemplate cmp_node_idmask_out[]= {
{ SOCK_FLOAT, 0, N_("Alpha")},
{ -1, 0, "" }
};
#ifdef WITH_COMPOSITOR_LEGACY
/* stackbuf should be zeroed */
static void do_idmask(CompBuf *stackbuf, CompBuf *cbuf, float idnr)
{
float *rect;
int x;
char *abuf= MEM_mapallocN(cbuf->x*cbuf->y, "anti ali buf");
rect= cbuf->rect;
for (x= cbuf->x*cbuf->y - 1; x>=0; x--)
if (rect[x]==idnr)
abuf[x]= 255;
antialias_tagbuf(cbuf->x, cbuf->y, abuf);
rect= stackbuf->rect;
for (x= cbuf->x*cbuf->y - 1; x>=0; x--)
if (abuf[x]>1)
rect[x]= (1.0f/255.0f)*(float)abuf[x];
MEM_freeN(abuf);
}
/* full sample version */
static void do_idmask_fsa(CompBuf *stackbuf, CompBuf *cbuf, float idnr)
{
float *rect, *rs;
int x;
rect= cbuf->rect;
rs= stackbuf->rect;
for (x= cbuf->x*cbuf->y - 1; x>=0; x--)
if (rect[x]==idnr)
rs[x]= 1.0f;
}
static void node_composit_exec_idmask(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
RenderData *rd= data;
if (out[0]->hasoutput==0)
return;
if (in[0]->data) {
CompBuf *cbuf= in[0]->data;
CompBuf *stackbuf;
if (cbuf->type!=CB_VAL)
return;
stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); /* allocs */;
if ((rd->scemode & R_FULL_SAMPLE) || node->custom2 == 0)
do_idmask_fsa(stackbuf, cbuf, (float)node->custom1);
else
do_idmask(stackbuf, cbuf, (float)node->custom1);
out[0]->data= stackbuf;
}
}
#endif /* WITH_COMPOSITOR_LEGACY */
void register_node_type_cmp_idmask(bNodeTreeType *ttype)
{
static bNodeType ntype;
node_type_base(ttype, &ntype, CMP_NODE_ID_MASK, "ID Mask", NODE_CLASS_CONVERTOR, NODE_OPTIONS);
node_type_socket_templates(&ntype, cmp_node_idmask_in, cmp_node_idmask_out);
node_type_size(&ntype, 140, 100, 320);
#ifdef WITH_COMPOSITOR_LEGACY
node_type_exec(&ntype, node_composit_exec_idmask);
#endif
nodeRegisterType(ttype, &ntype);
}
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