From 8830528b026c4e3efa3226ee94b302bf829f5d95 Mon Sep 17 00:00:00 2001 From: Matt Ebb Date: Wed, 20 Jan 2010 04:29:00 +0000 Subject: Forgot to add the new file --- .../nodes/intern/CMP_nodes/CMP_colorbalance.c | 134 +++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 source/blender/nodes/intern/CMP_nodes/CMP_colorbalance.c (limited to 'source/blender/nodes') diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_colorbalance.c b/source/blender/nodes/intern/CMP_nodes/CMP_colorbalance.c new file mode 100644 index 00000000000..9d3a670fad2 --- /dev/null +++ b/source/blender/nodes/intern/CMP_nodes/CMP_colorbalance.c @@ -0,0 +1,134 @@ +/** + * + * + * ***** 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): Matt Ebb. + * + * ***** END GPL LICENSE BLOCK ***** + */ + + +#include "../CMP_util.h" + + +/* ******************* Color Balance ********************************* */ +static bNodeSocketType cmp_node_colorbalance_in[]={ + {SOCK_VALUE, 1, "Fac", 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f}, + {SOCK_RGBA,1,"Image", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f}, + {-1,0,""} +}; + +static bNodeSocketType cmp_node_colorbalance_out[]={ + {SOCK_RGBA,0,"Image", 0.0f, 0.0f, 1.0f, 1.0f, -1.0f, 1.0f}, + {-1,0,""} +}; + +DO_INLINE float colorbalance(float in, float slope, float offset, float power) +{ + float x = in * slope + offset; + + /* prevent NaN */ + if (x < 0.f) x = 0.f; + + return powf(x, power); +} + +static void do_colorbalance(bNode *node, float* out, float *in) +{ + NodeColorBalance *n= (NodeColorBalance *)node->storage; + + out[0] = colorbalance(in[0], n->slope[0], n->offset[0], n->power[0]); + out[1] = colorbalance(in[1], n->slope[1], n->offset[1], n->power[1]); + out[2] = colorbalance(in[2], n->slope[2], n->offset[2], n->power[2]); + out[3] = in[3]; +} + +static void do_colorbalance_fac(bNode *node, float* out, float *in, float *fac) +{ + NodeColorBalance *n= (NodeColorBalance *)node->storage; + const float mfac= 1.0f - *fac; + + out[0] = mfac*in[0] + *fac * colorbalance(in[0], n->slope[0], n->offset[0], n->power[0]); + out[1] = mfac*in[1] + *fac * colorbalance(in[1], n->slope[1], n->offset[1], n->power[1]); + out[2] = mfac*in[2] + *fac * colorbalance(in[2], n->slope[2], n->offset[2], n->power[2]); + out[3] = in[3]; +} + +static void node_composit_exec_colorbalance(void *data, bNode *node, bNodeStack **in, bNodeStack **out) +{ + CompBuf *cbuf= in[1]->data; + CompBuf *stackbuf; + + /* stack order input: fac, image */ + /* stack order output: image */ + if(out[0]->hasoutput==0) return; + + if(in[0]->vec[0] == 0.f && in[0]->data == NULL) { + out[0]->data = pass_on_compbuf(cbuf); + return; + } + + if (cbuf) { + stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* create output based on image input */ + + if ((in[0]->data==NULL) && (in[0]->vec[0] == 1.f)) { + composit1_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, do_colorbalance, CB_RGBA); + } + else { + composit2_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, in[0]->data, in[0]->vec, do_colorbalance_fac, CB_RGBA, CB_VAL); + } + + out[0]->data=stackbuf; + } +} + +static void node_composit_init_colorbalance(bNode *node) +{ + NodeColorBalance *n= node->storage= MEM_callocN(sizeof(NodeColorBalance), "node colorbalance"); + n->slope[0] = n->slope[1] = n->slope[2] = 1.f; + n->offset[0] = n->offset[1] = n->offset[2] = 0.f; + n->power[0] = n->power[1] = n->power[2] = 1.f; + + /* for ui, converted to slope/offset/power in RNA */ + n->lift[0] = n->lift[1] = n->lift[2] = 0.5f; + n->gamma[0] = n->gamma[1] = n->gamma[2] = 0.5f; + n->gain[0] = n->gain[1] = n->gain[2] = 0.5f; +} + +bNodeType cmp_node_colorbalance={ + /* *next,*prev */ NULL, NULL, + /* type code */ CMP_NODE_COLORBALANCE, + /* name */ "Color Balance", + /* width+range */ 400, 200, 400, + /* class+opts */ NODE_CLASS_OP_COLOR, NODE_OPTIONS, + /* input sock */ cmp_node_colorbalance_in, + /* output sock */ cmp_node_colorbalance_out, + /* storage */ "NodeColorBalance", + /* execfunc */ node_composit_exec_colorbalance, + /* butfunc */ NULL, + /* initfunc */ node_composit_init_colorbalance, + /* freestoragefunc */ node_free_standard_storage, + /* copystoragefunc */ node_copy_standard_storage, + /* id */ NULL +}; + -- cgit v1.2.3