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blender-archive/source/blender/nodes/intern/TEX_nodes/TEX_invert.c
Robin Allen f9ceeeede6 Slight refactor of texture nodes.
Delegates now receive a TexParams* instead of float *coords. This gives texture nodes access to dxt, dyt, cfra as well as coords. This fixes the time node and allows nice sampling to be implemented.
2009-08-17 20:30:11 +00:00

80 lines
2.1 KiB
C

/**
*
* ***** 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) 2005 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Robin Allen
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "../TEX_util.h"
/* **************** INVERT ******************** */
static bNodeSocketType inputs[]= {
{ SOCK_RGBA, 1, "Color", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketType outputs[]= {
{ SOCK_RGBA, 0, "Color", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static void colorfn(float *out, TexParams *p, bNode *node, bNodeStack **in, short thread)
{
float col[4];
tex_input_rgba(col, in[0], p, thread);
col[0] = 1.0f - col[0];
col[1] = 1.0f - col[1];
col[2] = 1.0f - col[2];
VECCOPY(out, col);
out[3] = col[3];
}
static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
tex_output(node, in, out[0], &colorfn);
tex_do_preview(node, out[0], data);
}
bNodeType tex_node_invert= {
/* *next,*prev */ NULL, NULL,
/* type code */ TEX_NODE_INVERT,
/* name */ "Invert",
/* width+range */ 90, 80, 100,
/* class+opts */ NODE_CLASS_OP_COLOR, NODE_OPTIONS,
/* input sock */ inputs,
/* output sock */ outputs,
/* storage */ "",
/* execfunc */ exec,
/* butfunc */ NULL,
/* initfunc */ NULL,
/* freestoragefunc */ NULL,
/* copystoragefunc */ NULL,
/* id */ NULL
};