diff options
Diffstat (limited to 'source/blender/nodes/composite/nodes/node_composite_colorSpill.c')
| -rw-r--r-- | source/blender/nodes/composite/nodes/node_composite_colorSpill.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/source/blender/nodes/composite/nodes/node_composite_colorSpill.c b/source/blender/nodes/composite/nodes/node_composite_colorSpill.c new file mode 100644 index 00000000000..18b6d806c82 --- /dev/null +++ b/source/blender/nodes/composite/nodes/node_composite_colorSpill.c @@ -0,0 +1,341 @@ +/* + * $Id: CMP_colorSpill.c 36593 2011-05-10 11:19:26Z lukastoenne $ + * + * ***** 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): Bob Holcomb, Xavier Thomas + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/nodes/composite/nodes/node_composite_colorSpill.c + * \ingroup cmpnodes + */ + + + +#include "node_composite_util.h" + +#define avg(a,b) ((a+b)/2) + +/* ******************* Color Spill Supression ********************************* */ +static bNodeSocketTemplate cmp_node_color_spill_in[]={ + {SOCK_RGBA,1,"Image", 0.8f, 0.8f, 0.8f, 1.0f}, + {SOCK_FLOAT, 1, "Fac", 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, PROP_FACTOR}, + {-1,0,""} +}; + +static bNodeSocketTemplate cmp_node_color_spill_out[]={ + {SOCK_RGBA,0,"Image"}, + {-1,0,""} +}; + +static void do_simple_spillmap_red(bNode *node, float* out, float *in) +{ + NodeColorspill *ncs; + ncs=node->storage; + out[0]=in[0]-( ncs->limscale * in[ncs->limchan] ); +} + +static void do_simple_spillmap_red_fac(bNode *node, float* out, float *in, float *fac) +{ + NodeColorspill *ncs; + ncs=node->storage; + + out[0] = *fac * (in[0]-( ncs->limscale * in[ncs->limchan])); +} + +static void do_simple_spillmap_green(bNode *node, float* out, float *in) +{ + NodeColorspill *ncs; + ncs=node->storage; + out[0]=in[1]-( ncs->limscale * in[ncs->limchan] ); +} + +static void do_simple_spillmap_green_fac(bNode *node, float* out, float *in, float *fac) +{ + NodeColorspill *ncs; + ncs=node->storage; + + out[0] = *fac * (in[1]-( ncs->limscale * in[ncs->limchan])); +} + +static void do_simple_spillmap_blue(bNode *node, float* out, float *in) +{ + NodeColorspill *ncs; + ncs=node->storage; + out[0]=in[2]-( ncs->limscale * in[ncs->limchan] ); +} + +static void do_simple_spillmap_blue_fac(bNode *node, float* out, float *in, float *fac) +{ + NodeColorspill *ncs; + ncs=node->storage; + + out[0] = *fac * (in[2]-( ncs->limscale * in[ncs->limchan])); +} + +static void do_average_spillmap_red(bNode *node, float* out, float *in) +{ + NodeColorspill *ncs; + ncs=node->storage; + out[0]=in[0]-(ncs->limscale * avg(in[1], in[2]) ); +} + +static void do_average_spillmap_red_fac(bNode *node, float* out, float *in, float *fac) +{ + NodeColorspill *ncs; + ncs=node->storage; + + out[0] = *fac * (in[0]-(ncs->limscale * avg(in[1], in[2]) )); +} + +static void do_average_spillmap_green(bNode *node, float* out, float *in) +{ + NodeColorspill *ncs; + ncs=node->storage; + out[0]=in[1]-(ncs->limscale * avg(in[0], in[2]) ); +} + +static void do_average_spillmap_green_fac(bNode *node, float* out, float *in, float *fac) +{ + NodeColorspill *ncs; + ncs=node->storage; + + out[0] = *fac * (in[0]-(ncs->limscale * avg(in[0], in[2]) )); +} + +static void do_average_spillmap_blue(bNode *node, float* out, float *in) +{ + NodeColorspill *ncs; + ncs=node->storage; + out[0]=in[2]-(ncs->limscale * avg(in[0], in[1]) ); +} + +static void do_average_spillmap_blue_fac(bNode *node, float* out, float *in, float *fac) +{ + NodeColorspill *ncs; + ncs=node->storage; + + out[0] = *fac * (in[0]-(ncs->limscale * avg(in[0], in[1]) )); +} + +static void do_apply_spillmap_red(bNode *node, float* out, float *in, float *map) +{ + NodeColorspill *ncs; + ncs=node->storage; + if(map[0]>0) { + out[0]=in[0]-(ncs->uspillr*map[0]); + out[1]=in[1]+(ncs->uspillg*map[0]); + out[2]=in[2]+(ncs->uspillb*map[0]); + } + else { + out[0]=in[0]; + out[1]=in[1]; + out[2]=in[2]; + } +} + +static void do_apply_spillmap_green(bNode *node, float* out, float *in, float *map) +{ + NodeColorspill *ncs; + ncs=node->storage; + if(map[0]>0) { + out[0]=in[0]+(ncs->uspillr*map[0]); + out[1]=in[1]-(ncs->uspillg*map[0]); + out[2]=in[2]+(ncs->uspillb*map[0]); + } + else { + out[0]=in[0]; + out[1]=in[1]; + out[2]=in[2]; + } +} + +static void do_apply_spillmap_blue(bNode *node, float* out, float *in, float *map) +{ + NodeColorspill *ncs; + ncs=node->storage; + if(map[0]>0) { + out[0]=in[0]+(ncs->uspillr*map[0]); + out[1]=in[1]+(ncs->uspillg*map[0]); + out[2]=in[2]-(ncs->uspillb*map[0]); + } + else { + out[0]=in[0]; + out[1]=in[1]; + out[2]=in[2]; + } +} + +static void node_composit_exec_color_spill(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out) +{ + /* Originally based on the information from the book "The Art and Science of Digital Composition" and + * discussions from vfxtalk.com .*/ + CompBuf *cbuf; + CompBuf *mask; + CompBuf *rgbbuf; + CompBuf *spillmap; + NodeColorspill *ncs; + ncs=node->storage; + + /* early out for missing connections */ + if(out[0]->hasoutput==0 ) return; + if(in[0]->hasinput==0) return; + if(in[0]->data==NULL) return; + + cbuf=typecheck_compbuf(in[0]->data, CB_RGBA); + mask=typecheck_compbuf(in[1]->data, CB_VAL); + spillmap=alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); + rgbbuf=dupalloc_compbuf(cbuf); + + switch(node->custom1) + { + case 1: /*red spill*/ + { + switch(node->custom2) + { + case 0: /* simple limit */ + { + if ((in[1]->data==NULL) && (in[1]->vec[0] >= 1.f)) { + composit1_pixel_processor(node, spillmap, cbuf, in[0]->vec, do_simple_spillmap_red, CB_RGBA); + } else { + composit2_pixel_processor(node, spillmap, cbuf, in[0]->vec, in[1]->data, in[1]->vec, do_simple_spillmap_red_fac, CB_RGBA, CB_VAL); + } + break; + } + case 1: /* average limit */ + { + if ((in[1]->data==NULL) && (in[1]->vec[0] >= 1.f)) { + composit1_pixel_processor(node, spillmap, cbuf, in[0]->vec, do_average_spillmap_red, CB_RGBA); + } else { + composit2_pixel_processor(node, spillmap, cbuf, in[0]->vec, in[1]->data, in[1]->vec, do_average_spillmap_red_fac, CB_RGBA, CB_VAL); + } + break; + } + } + if(ncs->unspill==0) { + ncs->uspillr=1.0f; + ncs->uspillg=0.0f; + ncs->uspillb=0.0f; + } + composit2_pixel_processor(node, rgbbuf, cbuf, in[0]->vec, spillmap, NULL, do_apply_spillmap_red, CB_RGBA, CB_VAL); + break; + } + case 2: /*green spill*/ + { + switch(node->custom2) + { + case 0: /* simple limit */ + { + if ((in[1]->data==NULL) && (in[1]->vec[0] >= 1.f)) { + composit1_pixel_processor(node, spillmap, cbuf, in[0]->vec, do_simple_spillmap_green, CB_RGBA); + } else { + composit2_pixel_processor(node, spillmap, cbuf, in[0]->vec, in[1]->data, in[1]->vec, do_simple_spillmap_green_fac, CB_RGBA, CB_VAL); + } + break; + } + case 1: /* average limit */ + { + if ((in[1]->data==NULL) && (in[1]->vec[0] >= 1.f)) { + composit1_pixel_processor(node, spillmap, cbuf, in[0]->vec, do_average_spillmap_green, CB_RGBA); + } else { + composit2_pixel_processor(node, spillmap, cbuf, in[0]->vec, in[1]->data, in[1]->vec, do_average_spillmap_green_fac, CB_RGBA, CB_VAL); + } + break; + } + } + if(ncs->unspill==0) { + ncs->uspillr=0.0f; + ncs->uspillg=1.0f; + ncs->uspillb=0.0f; + } + composit2_pixel_processor(node, rgbbuf, cbuf, in[0]->vec, spillmap, NULL, do_apply_spillmap_green, CB_RGBA, CB_VAL); + break; + } + case 3: /*blue spill*/ + { + switch(node->custom2) + { + case 0: /* simple limit */ + { + if ((in[1]->data==NULL) && (in[1]->vec[0] >= 1.f)) { + composit1_pixel_processor(node, spillmap, cbuf, in[0]->vec, do_simple_spillmap_blue, CB_RGBA); + } else { + composit2_pixel_processor(node, spillmap, cbuf, in[0]->vec, in[1]->data, in[1]->vec, do_simple_spillmap_blue_fac, CB_RGBA, CB_VAL); + } + break; + } + case 1: /* average limit */ + { + if ((in[1]->data==NULL) && (in[1]->vec[0] >= 1.f)) { + composit1_pixel_processor(node, spillmap, cbuf, in[0]->vec, do_average_spillmap_blue, CB_RGBA); + } else { + composit2_pixel_processor(node, spillmap, cbuf, in[0]->vec, in[1]->data, in[1]->vec, do_average_spillmap_blue_fac, CB_RGBA, CB_VAL); + } + break; + } + } + if(ncs->unspill==0) { + ncs->uspillr=0.0f; + ncs->uspillg=0.0f; + ncs->uspillb=1.0f; + } + composit2_pixel_processor(node, rgbbuf, cbuf, in[0]->vec, spillmap, NULL, do_apply_spillmap_blue, CB_RGBA, CB_VAL); + break; + } + default: + break; + } + + out[0]->data=rgbbuf; + + if(cbuf!=in[0]->data) + free_compbuf(cbuf); + + free_compbuf(spillmap); +} + +static void node_composit_init_color_spill(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp)) +{ + NodeColorspill *ncs= MEM_callocN(sizeof(NodeColorspill), "node colorspill"); + node->storage=ncs; + node->custom1= 2; /* green channel */ + node->custom2= 0; /* simple limit algo*/ + ncs->limchan= 0; /* limit by red */ + ncs->limscale= 1.0f; /* limit scaling factor */ + ncs->unspill=0; /* do not use unspill */ +} + +void register_node_type_cmp_color_spill(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, CMP_NODE_COLOR_SPILL, "Color Spill", NODE_CLASS_MATTE, NODE_OPTIONS); + node_type_socket_templates(&ntype, cmp_node_color_spill_in, cmp_node_color_spill_out); + node_type_size(&ntype, 140, 80, 200); + node_type_init(&ntype, node_composit_init_color_spill); + node_type_storage(&ntype, "NodeColorspill", node_free_standard_storage, node_copy_standard_storage); + node_type_exec(&ntype, node_composit_exec_color_spill); + + nodeRegisterType(lb, &ntype); +} |