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Added normalize compositing node.

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This commit is contained in:
Robert Holcomb
2007-07-10 02:27:37 +00:00
parent 1d66563d95
commit b89ba8636c
4 changed files with 116 additions and 0 deletions
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1
source/blender/nodes/CMP_node.h
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@@ -62,6 +62,7 @@ extern bNodeType cmp_node_zcombine;
extern bNodeType cmp_node_normal;
extern bNodeType cmp_node_curve_vec;
extern bNodeType cmp_node_map_value;
extern bNodeType cmp_node_normalize;
extern bNodeType cmp_node_filter;
extern bNodeType cmp_node_blur;

113
source/blender/nodes/intern/CMP_nodes/CMP_normalize.c Normal file
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@@ -0,0 +1,113 @@
/**
* $Id: CMP_normalize.c,v 1.0 2007/03/24 06:57:29 scourage Exp $
*
* ***** 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"
/* **************** NORMALIZE single channel, useful for Z buffer ******************** */
static bNodeSocketType cmp_node_normalize_in[]= {
{ SOCK_VALUE, 1, "Value", 1.0f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketType cmp_node_normalize_out[]= {
{ SOCK_VALUE, 0, "Value", 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static void do_normalize(bNode *node, float *out, float *src, float *min, float *mult)
{
float res;
res = (src[0] - min[0]) * mult[0];
if (res > 1.0f) {
out[0] = 1.0f;
}
else if (res < 0.0f) {
out[0] = 0.0f;
}
else {
out[0] = res;
}
}
#define BLENDER_ZMAX 10000.0f
static void node_composit_exec_normalize(void *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) {
QUATCOPY(out[0]->vec, in[0]->vec);
}
else {
float min = 1.0f+BLENDER_ZMAX;
float max = -1.0f-BLENDER_ZMAX;
float mult = 1.0f;
float *val;
/* make output size of input image */
CompBuf *cbuf= in[0]->data;
int tot= cbuf->x*cbuf->y;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); /* allocs */
for (val = cbuf->rect; tot; tot--, val++) {
if ((*val > max) && (*val < BLENDER_ZMAX)) {
max = *val;
}
if (*val < min) {
min = *val;
}
}
mult = 1.0f/(max-min);
printf("min %f max %f\n", min, max);
composit3_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, NULL, &min, NULL, &mult, do_normalize, CB_VAL, CB_VAL, CB_VAL);
out[0]->data= stackbuf;
}
}
bNodeType cmp_node_normalize= {
/* *next, *prev*/ NULL, NULL,
/* type code */ CMP_NODE_NORMALIZE,
/* name */ "Normalize",
/* width+range */ 100, 60, 150,
/* class+opts */ NODE_CLASS_OP_VECTOR, NODE_OPTIONS,
/* input sock */ cmp_node_normalize_in,
/* output sock */ cmp_node_normalize_out,
/* storage */ "TexMapping",
/* execfunc */ node_composit_exec_normalize,
/* butfunc */ NULL,
/* initfunc */ NULL,
/* freestoragefunc */ NULL,
/* copystoragefunc */ NULL,
/* id */ NULL
};