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blender-archive/source/blender/nodes/intern/CMP_nodes/CMP_valToRgb.c
2010-02-12 13:34:04 +00:00

158 lines
4.4 KiB
C

/**
* $Id$
*
* ***** 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., 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 *****
*/
#include "../CMP_util.h"
/* **************** VALTORGB ******************** */
static bNodeSocketType cmp_node_valtorgb_in[]= {
{ SOCK_VALUE, 1, "Fac", 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketType cmp_node_valtorgb_out[]= {
{ SOCK_RGBA, 0, "Image", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ SOCK_VALUE, 0, "Alpha", 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static void do_colorband_composit(bNode *node, float *out, float *in)
{
do_colorband(node->storage, in[0], out);
}
static void node_composit_exec_valtorgb(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order in: fac */
/* stack order out: col, alpha */
if(out[0]->hasoutput==0 && out[1]->hasoutput==0)
return;
if(node->storage) {
/* input no image? then only color operation */
if(in[0]->data==NULL) {
do_colorband(node->storage, in[0]->vec[0], out[0]->vec);
}
else {
/* make output size of input image */
CompBuf *cbuf= in[0]->data;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */
composit1_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, do_colorband_composit, CB_VAL);
out[0]->data= stackbuf;
if(out[1]->hasoutput)
out[1]->data= valbuf_from_rgbabuf(stackbuf, CHAN_A);
}
}
}
static void node_composit_init_valtorgb(bNode* node)
{
node->storage= add_colorband(1);
}
bNodeType cmp_node_valtorgb= {
/* *next,*prev */ NULL, NULL,
/* type code */ CMP_NODE_VALTORGB,
/* name */ "ColorRamp",
/* width+range */ 240, 200, 300,
/* class+opts */ NODE_CLASS_CONVERTOR, NODE_OPTIONS,
/* input sock */ cmp_node_valtorgb_in,
/* output sock */ cmp_node_valtorgb_out,
/* storage */ "ColorBand",
/* execfunc */ node_composit_exec_valtorgb,
/* butfunc */ NULL,
/* initfunc */ node_composit_init_valtorgb,
/* freestoragefunc */ node_free_standard_storage,
/* copystoragefunc */ node_copy_standard_storage,
/* id */ NULL
};
/* **************** RGBTOBW ******************** */
static bNodeSocketType cmp_node_rgbtobw_in[]= {
{ SOCK_RGBA, 1, "Image", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketType cmp_node_rgbtobw_out[]= {
{ SOCK_VALUE, 0, "Val", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static void do_rgbtobw(bNode *node, float *out, float *in)
{
out[0]= in[0]*0.35f + in[1]*0.45f + in[2]*0.2f;
}
static void node_composit_exec_rgbtobw(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order out: bw */
/* stack order in: col */
if(out[0]->hasoutput==0)
return;
/* input no image? then only color operation */
if(in[0]->data==NULL) {
do_rgbtobw(node, out[0]->vec, in[0]->vec);
}
else {
/* make output size of input image */
CompBuf *cbuf= in[0]->data;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); /* allocs */
composit1_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, do_rgbtobw, CB_RGBA);
out[0]->data= stackbuf;
}
}
bNodeType cmp_node_rgbtobw= {
/* *next,*prev */ NULL, NULL,
/* type code */ CMP_NODE_RGBTOBW,
/* name */ "RGB to BW",
/* width+range */ 80, 40, 120,
/* class+opts */ NODE_CLASS_CONVERTOR, 0,
/* input sock */ cmp_node_rgbtobw_in,
/* output sock */ cmp_node_rgbtobw_out,
/* storage */ "",
/* execfunc */ node_composit_exec_rgbtobw,
/* butfunc */ NULL,
/* freestoragefunc */ NULL,
/* copystoragefunc */ NULL,
/* id */ NULL
};