diff options
Diffstat (limited to 'source/blender/nodes/composite/nodes/node_composite_filter.c')
| -rw-r--r-- | source/blender/nodes/composite/nodes/node_composite_filter.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/source/blender/nodes/composite/nodes/node_composite_filter.c b/source/blender/nodes/composite/nodes/node_composite_filter.c new file mode 100644 index 00000000000..6beeec49c63 --- /dev/null +++ b/source/blender/nodes/composite/nodes/node_composite_filter.c @@ -0,0 +1,239 @@ +/* + * $Id: CMP_filter.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): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/nodes/composite/nodes/node_composite_filter.c + * \ingroup cmpnodes + */ + + +#include "node_composite_util.h" + +/* **************** FILTER ******************** */ +static bNodeSocketTemplate cmp_node_filter_in[]= { + { SOCK_FLOAT, 1, "Fac", 1.0f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_RGBA, 1, "Image", 0.8f, 0.8f, 0.8f, 1.0f}, + { -1, 0, "" } +}; +static bNodeSocketTemplate cmp_node_filter_out[]= { + { SOCK_RGBA, 0, "Image"}, + { -1, 0, "" } +}; + +static void do_filter_edge(CompBuf *out, CompBuf *in, float *filter, float fac) +{ + float *row1, *row2, *row3; + float *fp, f1, f2, mfac= 1.0f-fac; + int rowlen, x, y, c, pix= in->type; + + rowlen= in->x; + + for(y=0; y<in->y; y++) { + /* setup rows */ + if(y==0) row1= in->rect; + else row1= in->rect + pix*(y-1)*rowlen; + + row2= in->rect + y*pix*rowlen; + + if(y==in->y-1) row3= row2; + else row3= row2 + pix*rowlen; + + fp= out->rect + pix*y*rowlen; + + if(pix==CB_RGBA) { + QUATCOPY(fp, row2); + fp+= pix; + + for(x=2; x<rowlen; x++) { + for(c=0; c<3; c++) { + f1= filter[0]*row1[0] + filter[1]*row1[4] + filter[2]*row1[8] + filter[3]*row2[0] + filter[4]*row2[4] + filter[5]*row2[8] + filter[6]*row3[0] + filter[7]*row3[4] + filter[8]*row3[8]; + f2= filter[0]*row1[0] + filter[3]*row1[4] + filter[6]*row1[8] + filter[1]*row2[0] + filter[4]*row2[4] + filter[7]*row2[8] + filter[2]*row3[0] + filter[5]*row3[4] + filter[8]*row3[8]; + fp[0]= mfac*row2[4] + fac*sqrt(f1*f1 + f2*f2); + fp++; row1++; row2++; row3++; + } + fp[0]= row2[4]; + /* no alpha... will clear it completely */ + fp++; row1++; row2++; row3++; + } + QUATCOPY(fp, row2+4); + } + else if(pix==CB_VAL) { + fp+= pix; + for(x=2; x<rowlen; x++) { + f1= filter[0]*row1[0] + filter[1]*row1[1] + filter[2]*row1[2] + filter[3]*row2[0] + filter[4]*row2[1] + filter[5]*row2[2] + filter[6]*row3[0] + filter[7]*row3[1] + filter[8]*row3[2]; + f2= filter[0]*row1[0] + filter[3]*row1[1] + filter[6]*row1[2] + filter[1]*row2[0] + filter[4]*row2[1] + filter[7]*row2[2] + filter[2]*row3[0] + filter[5]*row3[1] + filter[8]*row3[2]; + fp[0]= mfac*row2[1] + fac*sqrt(f1*f1 + f2*f2); + fp++; row1++; row2++; row3++; + } + } + } +} + +static void do_filter3(CompBuf *out, CompBuf *in, float *filter, float fac) +{ + float *row1, *row2, *row3; + float *fp, mfac= 1.0f-fac; + int rowlen, x, y, c; + int pixlen= in->type; + + rowlen= in->x; + + for(y=0; y<in->y; y++) { + /* setup rows */ + if(y==0) row1= in->rect; + else row1= in->rect + pixlen*(y-1)*rowlen; + + row2= in->rect + y*pixlen*rowlen; + + if(y==in->y-1) row3= row2; + else row3= row2 + pixlen*rowlen; + + fp= out->rect + pixlen*(y)*rowlen; + + if(pixlen==1) { + fp[0]= row2[0]; + fp+= 1; + + for(x=2; x<rowlen; x++) { + fp[0]= mfac*row2[1] + fac*(filter[0]*row1[0] + filter[1]*row1[1] + filter[2]*row1[2] + filter[3]*row2[0] + filter[4]*row2[1] + filter[5]*row2[2] + filter[6]*row3[0] + filter[7]*row3[1] + filter[8]*row3[2]); + fp++; row1++; row2++; row3++; + } + fp[0]= row2[1]; + } + else if(pixlen==2) { + fp[0]= row2[0]; + fp[1]= row2[1]; + fp+= 2; + + for(x=2; x<rowlen; x++) { + for(c=0; c<2; c++) { + fp[0]= mfac*row2[2] + fac*(filter[0]*row1[0] + filter[1]*row1[2] + filter[2]*row1[4] + filter[3]*row2[0] + filter[4]*row2[2] + filter[5]*row2[4] + filter[6]*row3[0] + filter[7]*row3[2] + filter[8]*row3[4]); + fp++; row1++; row2++; row3++; + } + } + fp[0]= row2[2]; + fp[1]= row2[3]; + } + else if(pixlen==3) { + VECCOPY(fp, row2); + fp+= 3; + + for(x=2; x<rowlen; x++) { + for(c=0; c<3; c++) { + fp[0]= mfac*row2[3] + fac*(filter[0]*row1[0] + filter[1]*row1[3] + filter[2]*row1[6] + filter[3]*row2[0] + filter[4]*row2[3] + filter[5]*row2[6] + filter[6]*row3[0] + filter[7]*row3[3] + filter[8]*row3[6]); + fp++; row1++; row2++; row3++; + } + } + VECCOPY(fp, row2+3); + } + else { + QUATCOPY(fp, row2); + fp+= 4; + + for(x=2; x<rowlen; x++) { + for(c=0; c<4; c++) { + fp[0]= mfac*row2[4] + fac*(filter[0]*row1[0] + filter[1]*row1[4] + filter[2]*row1[8] + filter[3]*row2[0] + filter[4]*row2[4] + filter[5]*row2[8] + filter[6]*row3[0] + filter[7]*row3[4] + filter[8]*row3[8]); + fp++; row1++; row2++; row3++; + } + } + QUATCOPY(fp, row2+4); + } + } +} + + +static void node_composit_exec_filter(void *data, bNode *node, bNodeStack **in, bNodeStack **out) +{ + static float soft[9]= {1/16.0f, 2/16.0f, 1/16.0f, 2/16.0f, 4/16.0f, 2/16.0f, 1/16.0f, 2/16.0f, 1/16.0f}; + float sharp[9]= {-1,-1,-1,-1,9,-1,-1,-1,-1}; + float laplace[9]= {-1/8.0f, -1/8.0f, -1/8.0f, -1/8.0f, 1.0f, -1/8.0f, -1/8.0f, -1/8.0f, -1/8.0f}; + float sobel[9]= {1,2,1,0,0,0,-1,-2,-1}; + float prewitt[9]= {1,1,1,0,0,0,-1,-1,-1}; + float kirsch[9]= {5,5,5,-3,-3,-3,-2,-2,-2}; + float shadow[9]= {1,2,1,0,1,0,-1,-2,-1}; + + if(out[0]->hasoutput==0) return; + + /* stack order in: Image */ + /* stack order out: Image */ + + if(in[1]->data) { + /* make output size of first available input image */ + CompBuf *cbuf= in[1]->data; + CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, cbuf->type, 1); /* allocs */ + + /* warning note: xof and yof are applied in pixelprocessor, but should be copied otherwise? */ + stackbuf->xof= cbuf->xof; + stackbuf->yof= cbuf->yof; + + switch(node->custom1) { + case CMP_FILT_SOFT: + do_filter3(stackbuf, cbuf, soft, in[0]->vec[0]); + break; + case CMP_FILT_SHARP: + do_filter3(stackbuf, cbuf, sharp, in[0]->vec[0]); + break; + case CMP_FILT_LAPLACE: + do_filter3(stackbuf, cbuf, laplace, in[0]->vec[0]); + break; + case CMP_FILT_SOBEL: + do_filter_edge(stackbuf, cbuf, sobel, in[0]->vec[0]); + break; + case CMP_FILT_PREWITT: + do_filter_edge(stackbuf, cbuf, prewitt, in[0]->vec[0]); + break; + case CMP_FILT_KIRSCH: + do_filter_edge(stackbuf, cbuf, kirsch, in[0]->vec[0]); + break; + case CMP_FILT_SHADOW: + do_filter3(stackbuf, cbuf, shadow, in[0]->vec[0]); + break; + } + + out[0]->data= stackbuf; + + generate_preview(data, node, out[0]->data); + } +} + + +void register_node_type_cmp_filter(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, CMP_NODE_FILTER, "Filter", NODE_CLASS_OP_FILTER, NODE_PREVIEW|NODE_OPTIONS); + node_type_socket_templates(&ntype, cmp_node_filter_in, cmp_node_filter_out); + node_type_size(&ntype, 80, 40, 120); + node_type_label(&ntype, node_filter_label); + node_type_exec(&ntype, node_composit_exec_filter); + + nodeRegisterType(lb, &ntype); +} + + + |