diff options
Diffstat (limited to 'source/blender/nodes/composite/nodes/node_composite_mapValue.c')
| -rw-r--r-- | source/blender/nodes/composite/nodes/node_composite_mapValue.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/source/blender/nodes/composite/nodes/node_composite_mapValue.c b/source/blender/nodes/composite/nodes/node_composite_mapValue.c new file mode 100644 index 00000000000..0d38aca4ce3 --- /dev/null +++ b/source/blender/nodes/composite/nodes/node_composite_mapValue.c @@ -0,0 +1,103 @@ +/* + * $Id: CMP_mapValue.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_mapValue.c + * \ingroup cmpnodes + */ + + +#include "node_composite_util.h" + +/* **************** MAP VALUE ******************** */ +static bNodeSocketTemplate cmp_node_map_value_in[]= { + { SOCK_FLOAT, 1, "Value", 1.0f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f, PROP_NONE}, + { -1, 0, "" } +}; +static bNodeSocketTemplate cmp_node_map_value_out[]= { + { SOCK_FLOAT, 0, "Value"}, + { -1, 0, "" } +}; + +static void do_map_value(bNode *node, float *out, float *src) +{ + TexMapping *texmap= node->storage; + + out[0]= (src[0] + texmap->loc[0])*texmap->size[0]; + if(texmap->flag & TEXMAP_CLIP_MIN) + if(out[0]<texmap->min[0]) + out[0]= texmap->min[0]; + if(texmap->flag & TEXMAP_CLIP_MAX) + if(out[0]>texmap->max[0]) + out[0]= texmap->max[0]; +} + +static void node_composit_exec_map_value(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out) +{ + /* stack order in: valbuf */ + /* stack order out: valbuf */ + if(out[0]->hasoutput==0) return; + + /* input no image? then only value operation */ + if(in[0]->data==NULL) { + do_map_value(node, out[0]->vec, in[0]->vec); + } + else { + /* make output size of input image */ + CompBuf *cbuf= in[0]->data; + CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); /* allocs */ + + composit1_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, do_map_value, CB_VAL); + + out[0]->data= stackbuf; + } +} + + +static void node_composit_init_map_value(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp)) +{ + node->storage= add_mapping(); +} + +void register_node_type_cmp_map_value(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, CMP_NODE_MAP_VALUE, "Map Value", NODE_CLASS_OP_VECTOR, NODE_OPTIONS); + node_type_socket_templates(&ntype, cmp_node_map_value_in, cmp_node_map_value_out); + node_type_size(&ntype, 100, 60, 150); + node_type_init(&ntype, node_composit_init_map_value); + node_type_storage(&ntype, "TexMapping", node_free_standard_storage, node_copy_standard_storage); + node_type_exec(&ntype, node_composit_exec_map_value); + + nodeRegisterType(lb, &ntype); +} + + + + |