126 lines
2.9 KiB
C
126 lines
2.9 KiB
C
/*
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2006 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/nodes/intern/CMP_nodes/CMP_idMask.c
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* \ingroup cmpnodes
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*/
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#include "../CMP_util.h"
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/* **************** ID Mask ******************** */
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static bNodeSocketType cmp_node_idmask_in[]= {
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{ SOCK_VALUE, 1, "ID value", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
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{ -1, 0, "" }
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};
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static bNodeSocketType cmp_node_idmask_out[]= {
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{ SOCK_VALUE, 0, "Alpha", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
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{ -1, 0, "" }
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};
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/* stackbuf should be zeroed */
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static void do_idmask(CompBuf *stackbuf, CompBuf *cbuf, float idnr)
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{
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float *rect;
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int x;
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char *abuf= MEM_mapallocN(cbuf->x*cbuf->y, "anti ali buf");
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rect= cbuf->rect;
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for(x= cbuf->x*cbuf->y - 1; x>=0; x--)
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if(rect[x]==idnr)
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abuf[x]= 255;
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antialias_tagbuf(cbuf->x, cbuf->y, abuf);
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rect= stackbuf->rect;
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for(x= cbuf->x*cbuf->y - 1; x>=0; x--)
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if(abuf[x]>1)
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rect[x]= (1.0f/255.0f)*(float)abuf[x];
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MEM_freeN(abuf);
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}
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/* full sample version */
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static void do_idmask_fsa(CompBuf *stackbuf, CompBuf *cbuf, float idnr)
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{
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float *rect, *rs;
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int x;
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rect= cbuf->rect;
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rs= stackbuf->rect;
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for(x= cbuf->x*cbuf->y - 1; x>=0; x--)
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if(rect[x]==idnr)
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rs[x]= 1.0f;
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}
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static void node_composit_exec_idmask(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
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{
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RenderData *rd= data;
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if(out[0]->hasoutput==0)
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return;
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if(in[0]->data) {
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CompBuf *cbuf= in[0]->data;
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CompBuf *stackbuf;
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if(cbuf->type!=CB_VAL)
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return;
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stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); /* allocs */;
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if(rd->scemode & R_FULL_SAMPLE)
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do_idmask_fsa(stackbuf, cbuf, (float)node->custom1);
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else
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do_idmask(stackbuf, cbuf, (float)node->custom1);
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out[0]->data= stackbuf;
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}
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}
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void register_node_type_cmp_idmask(ListBase *lb)
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{
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static bNodeType ntype;
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node_type_base(&ntype, CMP_NODE_ID_MASK, "ID Mask", NODE_CLASS_CONVERTOR, NODE_OPTIONS,
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cmp_node_idmask_in, cmp_node_idmask_out);
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node_type_size(&ntype, 140, 100, 320);
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node_type_exec(&ntype, node_composit_exec_idmask);
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nodeRegisterType(lb, &ntype);
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}
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