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/*
* ***** 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 *****
*/
/** \file blender/nodes/composite/nodes/node_composite_hueSatVal.c
* \ingroup cmpnodes
*/
#include "node_composite_util.h"
/* **************** Hue Saturation ******************** */
static bNodeSocketTemplate cmp_node_hue_sat_in[]= {
{ SOCK_FLOAT, 1, N_("Fac"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
{ SOCK_RGBA, 1, N_("Image"), 1.0f, 1.0f, 1.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketTemplate cmp_node_hue_sat_out[]= {
{ SOCK_RGBA, 0, N_("Image")},
{ -1, 0, "" }
};
#ifdef WITH_COMPOSITOR_LEGACY
static void do_hue_sat_fac(bNode *node, float *out, float *in, float *fac)
{
NodeHueSat *nhs= node->storage;
if (*fac!=0.0f && (nhs->hue!=0.5f || nhs->sat!=1.0f || nhs->val!=1.0f)) {
float col[3], hsv[3], mfac= 1.0f - *fac;
rgb_to_hsv(in[0], in[1], in[2], hsv, hsv+1, hsv+2);
hsv[0]+= (nhs->hue - 0.5f);
if (hsv[0]>1.0f) hsv[0]-=1.0f; else if (hsv[0]<0.0f) hsv[0]+= 1.0f;
hsv[1]*= nhs->sat;
hsv[2]*= nhs->val;
hsv_to_rgb(hsv[0], hsv[1], hsv[2], col, col+1, col+2);
out[0]= mfac*in[0] + *fac*col[0];
out[1]= mfac*in[1] + *fac*col[1];
out[2]= mfac*in[2] + *fac*col[2];
out[3]= in[3];
}
else {
copy_v4_v4(out, in);
}
}
static void node_composit_exec_hue_sat(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order in: Fac, Image */
/* stack order out: Image */
if (out[0]->hasoutput==0) return;
/* input no image? then only color operation */
if (in[1]->data==NULL) {
do_hue_sat_fac(node, out[0]->vec, in[1]->vec, in[0]->vec);
}
else {
/* make output size of input image */
CompBuf *cbuf= dupalloc_compbuf(in[1]->data);
CompBuf *stackbuf=typecheck_compbuf(cbuf, CB_RGBA);
composit2_pixel_processor(node, stackbuf, stackbuf, in[1]->vec, in[0]->data, in[0]->vec, do_hue_sat_fac, CB_RGBA, CB_VAL);
out[0]->data= stackbuf;
/* get rid of intermediary cbuf if it's extra */
if (stackbuf!=cbuf)
free_compbuf(cbuf);
}
}
#endif /* WITH_COMPOSITOR_LEGACY */
static void node_composit_init_hue_sat(bNodeTree *UNUSED(ntree), bNode *node, bNodeTemplate *UNUSED(ntemp))
{
NodeHueSat *nhs= MEM_callocN(sizeof(NodeHueSat), "node hue sat");
node->storage= nhs;
nhs->hue= 0.5f;
nhs->sat= 1.0f;
nhs->val= 1.0f;
}
void register_node_type_cmp_hue_sat(bNodeTreeType *ttype)
{
static bNodeType ntype;
node_type_base(ttype, &ntype, CMP_NODE_HUE_SAT, "Hue Saturation Value", NODE_CLASS_OP_COLOR, NODE_OPTIONS);
node_type_socket_templates(&ntype, cmp_node_hue_sat_in, cmp_node_hue_sat_out);
node_type_size(&ntype, 150, 80, 250);
node_type_init(&ntype, node_composit_init_hue_sat);
node_type_storage(&ntype, "NodeHueSat", node_free_standard_storage, node_copy_standard_storage);
#ifdef WITH_COMPOSITOR_LEGACY
node_type_exec(&ntype, node_composit_exec_hue_sat);
#endif
nodeRegisterType(ttype, &ntype);
}
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