Brecht Van Lommel
ad38297a08
clamping, which not only is suboptimal for working with hdr images, it was also doing the clamping incorrect.
121 lines
3.5 KiB
C
121 lines
3.5 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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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#include "../CMP_util.h"
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/* **************** Hue Saturation ******************** */
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static bNodeSocketType cmp_node_hue_sat_in[]= {
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{ SOCK_VALUE, 1, "Fac", 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
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{ SOCK_RGBA, 1, "Image", 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_hue_sat_out[]= {
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{ SOCK_RGBA, 0, "Image", 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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static void do_hue_sat_fac(bNode *node, float *out, float *in, float *fac)
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{
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NodeHueSat *nhs= node->storage;
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if(*fac!=0.0f && (nhs->hue!=0.5f || nhs->sat!=1.0 || nhs->val!=1.0)) {
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float col[3], hsv[3], mfac= 1.0f - *fac;
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rgb_to_hsv(in[0], in[1], in[2], hsv, hsv+1, hsv+2);
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hsv[0]+= (nhs->hue - 0.5f);
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if(hsv[0]>1.0) hsv[0]-=1.0; else if(hsv[0]<0.0) hsv[0]+= 1.0;
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hsv[1]*= nhs->sat;
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hsv[2]*= nhs->val;
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hsv_to_rgb(hsv[0], hsv[1], hsv[2], col, col+1, col+2);
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out[0]= mfac*in[0] + *fac*col[0];
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out[1]= mfac*in[1] + *fac*col[1];
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out[2]= mfac*in[2] + *fac*col[2];
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out[3]= in[3];
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}
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else {
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QUATCOPY(out, in);
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}
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}
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static void node_composit_exec_hue_sat(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
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{
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/* stack order in: Fac, Image */
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/* stack order out: Image */
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if(out[0]->hasoutput==0) return;
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/* input no image? then only color operation */
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if(in[1]->data==NULL) {
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do_hue_sat_fac(node, out[0]->vec, in[1]->vec, in[0]->vec);
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}
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else {
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/* make output size of input image */
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CompBuf *cbuf= dupalloc_compbuf(in[1]->data);
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CompBuf *stackbuf=typecheck_compbuf(cbuf,CB_RGBA);
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composit2_pixel_processor(node, stackbuf, stackbuf, in[1]->vec, in[0]->data, in[0]->vec, do_hue_sat_fac, CB_RGBA, CB_VAL);
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out[0]->data= stackbuf;
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/* get rid of intermediary cbuf if it's extra */
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if(stackbuf!=cbuf)
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free_compbuf(cbuf);
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}
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}
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static void node_composit_init_hue_sat(bNode* node)
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{
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NodeHueSat *nhs= MEM_callocN(sizeof(NodeHueSat), "node hue sat");
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node->storage= nhs;
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nhs->hue= 0.5f;
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nhs->sat= 1.0f;
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nhs->val= 1.0f;
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}
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bNodeType cmp_node_hue_sat= {
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/* *next,*prev */ NULL, NULL,
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/* type code */ CMP_NODE_HUE_SAT,
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/* name */ "Hue Saturation Value",
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/* width+range */ 150, 80, 250,
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/* class+opts */ NODE_CLASS_OP_COLOR, NODE_OPTIONS,
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/* input sock */ cmp_node_hue_sat_in,
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/* output sock */ cmp_node_hue_sat_out,
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/* storage */ "NodeHueSat",
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/* execfunc */ node_composit_exec_hue_sat,
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/* butfunc */ NULL,
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/* initfunc */ node_composit_init_hue_sat,
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/* freestoragefunc */ node_free_standard_storage,
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/* copystoragefunc */ node_copy_standard_storage,
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/* id */ NULL
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};
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