diff options
Diffstat (limited to 'source/blender/nodes/composite/nodes/node_composite_invert.c')
| -rw-r--r-- | source/blender/nodes/composite/nodes/node_composite_invert.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/source/blender/nodes/composite/nodes/node_composite_invert.c b/source/blender/nodes/composite/nodes/node_composite_invert.c new file mode 100644 index 00000000000..1f7589cae8f --- /dev/null +++ b/source/blender/nodes/composite/nodes/node_composite_invert.c @@ -0,0 +1,135 @@ +/* + * $Id: CMP_invert.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_invert.c + * \ingroup cmpnodes + */ + +#include "node_composite_util.h" + +/* **************** INVERT ******************** */ +static bNodeSocketTemplate cmp_node_invert_in[]= { + { SOCK_FLOAT, 1, "Fac", 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR}, + { SOCK_RGBA, 1, "Color", 0.0f, 0.0f, 0.0f, 1.0f}, + { -1, 0, "" } +}; + +static bNodeSocketTemplate cmp_node_invert_out[]= { + { SOCK_RGBA, 0, "Color"}, + { -1, 0, "" } +}; + +static void do_invert(bNode *node, float *out, float *in) +{ + if(node->custom1 & CMP_CHAN_RGB) { + out[0] = 1.0f - in[0]; + out[1] = 1.0f - in[1]; + out[2] = 1.0f - in[2]; + } else + VECCOPY(out, in); + + if(node->custom1 & CMP_CHAN_A) + out[3] = 1.0f - in[3]; + else + out[3] = in[3]; +} + +static void do_invert_fac(bNode *node, float *out, float *in, float *fac) +{ + float col[4], facm; + + do_invert(node, col, in); + + /* blend inverted result against original input with fac */ + facm = 1.0 - fac[0]; + + if(node->custom1 & CMP_CHAN_RGB) { + col[0] = fac[0]*col[0] + (facm*in[0]); + col[1] = fac[0]*col[1] + (facm*in[1]); + col[2] = fac[0]*col[2] + (facm*in[2]); + } + if(node->custom1 & CMP_CHAN_A) + col[3] = fac[0]*col[3] + (facm*in[3]); + + QUATCOPY(out, col); +} + +static void node_composit_exec_invert(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out) +{ + /* stack order in: fac, Image, Image */ + /* stack order out: Image */ + float *fac= in[0]->vec; + + if(out[0]->hasoutput==0) return; + + /* input no image? then only color operation */ + if(in[1]->data==NULL && in[0]->data==NULL) { + do_invert_fac(node, out[0]->vec, in[1]->vec, fac); + } + else { + /* make output size of first available input image, or then size of fac */ + CompBuf *cbuf= in[1]->data?in[1]->data:in[0]->data; + + /* if neither RGB or A toggled on, pass through */ + if (node->custom1 != 0) { + CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */ + + if (fac[0] < 1.0f || in[0]->data!=NULL) + composit2_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, in[0]->data, fac, do_invert_fac, CB_RGBA, CB_VAL); + else + composit1_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, do_invert, CB_RGBA); + out[0]->data= stackbuf; + return; + + } else { + out[0]->data = pass_on_compbuf(cbuf); + return; + } + } +} + +static void node_composit_init_invert(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp)) +{ + node->custom1 |= CMP_CHAN_RGB; +} + +/* custom1 = mix type */ +void register_node_type_cmp_invert(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, CMP_NODE_INVERT, "Invert", NODE_CLASS_OP_COLOR, NODE_OPTIONS); + node_type_socket_templates(&ntype, cmp_node_invert_in, cmp_node_invert_out); + node_type_size(&ntype, 120, 120, 140); + node_type_init(&ntype, node_composit_init_invert); + node_type_exec(&ntype, node_composit_exec_invert); + + nodeRegisterType(lb, &ntype); +} + |