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/**
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 *****
*/
#include "../CMP_util.h"
/* **************** ID Mask ******************** */
static bNodeSocketType cmp_node_idmask_in[]= {
{ SOCK_VALUE, 1, "ID value", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketType cmp_node_idmask_out[]= {
{ SOCK_VALUE, 0, "Alpha", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
/* 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);
}
static void node_composit_exec_idmask(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
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 */;
do_idmask(stackbuf, cbuf, (float)node->custom1);
out[0]->data= stackbuf;
}
}
bNodeType cmp_node_idmask= {
/* *next,*prev */ NULL, NULL,
/* type code */ CMP_NODE_ID_MASK,
/* name */ "ID Mask",
/* width+range */ 140, 100, 320,
/* class+opts */ NODE_CLASS_CONVERTOR, NODE_OPTIONS,
/* input sock */ cmp_node_idmask_in,
/* output sock */ cmp_node_idmask_out,
/* storage */ "",
/* execfunc */ node_composit_exec_idmask,
/* butfunc */ NULL,
/* initfunc */ NULL,
/* freestoragefunc */ NULL,
/* copystoragefunc */ NULL,
/* id */ NULL
};
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