diff options
author | Robert Holcomb <bob_holcomb@hotmail.com> | 2007-03-24 09:57:29 +0300 |
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committer | Robert Holcomb <bob_holcomb@hotmail.com> | 2007-03-24 09:57:29 +0300 |
commit | 611d1c523c6872e048ba0f379d116d727a756e1e (patch) | |
tree | f6624b8fd1d4d9bb4cef9da2710dfc1ec6bce67a /source/blender/nodes/intern/CMP_nodes/CMP_math.c | |
parent | f4c816869c8a9240eb6ed9abef194c4887256df2 (diff) |
Initial commit. Not in build system so shouldn't interfere with anything at this point. Will commit modified versions of existing files once build system is tested.
Diffstat (limited to 'source/blender/nodes/intern/CMP_nodes/CMP_math.c')
-rw-r--r-- | source/blender/nodes/intern/CMP_nodes/CMP_math.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_math.c b/source/blender/nodes/intern/CMP_nodes/CMP_math.c new file mode 100644 index 00000000000..d867143d3ab --- /dev/null +++ b/source/blender/nodes/intern/CMP_nodes/CMP_math.c @@ -0,0 +1,174 @@ +/** + * $Id$ + * + * ***** 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): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#include "../CMP_util.h" + + +/* **************** SCALAR MATH ******************** */ +static bNodeSocketType cmp_node_math_in[]= { + { SOCK_VALUE, 1, "Value", 0.5f, 0.5f, 0.5f, 1.0f, -10000.0f, 10000.0f}, + { SOCK_VALUE, 1, "Value", 0.5f, 0.5f, 0.5f, 1.0f, -10000.0f, 10000.0f}, + { -1, 0, "" } +}; + +static bNodeSocketType cmp_node_math_out[]= { + { SOCK_VALUE, 0, "Value", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f}, + { -1, 0, "" } +}; + +static void do_math(bNode *node, float *out, float *in, float *in2) +{ + switch(node->custom1) + { + case 0: /* Add */ + out[0]= in[0] + in2[0]; + break; + case 1: /* Subtract */ + out[0]= in[0] - in2[0]; + break; + case 2: /* Multiply */ + out[0]= in[0] * in2[0]; + break; + case 3: /* Divide */ + { + if(in[1]==0) /* We don't want to divide by zero. */ + out[0]= 0.0; + else + out[0]= in[0] / in2[0]; + } + break; + case 4: /* Sine */ + out[0]= sin(in[0]); + break; + case 5: /* Cosine */ + out[0]= cos(in[0]); + break; + case 6: /* Tangent */ + out[0]= tan(in[0]); + break; + case 7: /* Arc-Sine */ + { + /* Can't do the impossible... */ + if(in[0] <= 1 && in[0] >= -1 ) + out[0]= asin(in[0]); + else + out[0]= 0.0; + } + break; + case 8: /* Arc-Cosine */ + { + /* Can't do the impossible... */ + if( in[0] <= 1 && in[0] >= -1 ) + out[0]= acos(in[0]); + else + out[0]= 0.0; + } + break; + case 9: /* Arc-Tangent */ + out[0]= atan(in[0]); + break; + case 10: /* Power */ + { + /* Don't want any imaginary numbers... */ + if( in[0] >= 0 ) + out[0]= pow(in[0], in2[0]); + else + out[0]= 0.0; + } + break; + case 11: /* Logarithm */ + { + /* Don't want any imaginary numbers... */ + if( in[0] > 0 && in2[0] > 0 ) + out[0]= log(in[0]) / log(in2[0]); + else + out[0]= 0.0; + } + break; + case 12: /* Minimum */ + { + if( in[0] < in2[0] ) + out[0]= in[0]; + else + out[0]= in2[0]; + } + break; + case 13: /* Maximum */ + { + if( in[0] > in2[0] ) + out[0]= in[0]; + else + out[0]= in2[0]; + } + break; + case 14: /* Round */ + { + out[0]= (int)(in[0] + 0.5f); + } + break; + } +} + +static void node_composit_exec_math(void *data, bNode *node, bNodeStack **in, bNodeStack **out) +{ + /* stack order out: bw */ + /* stack order in: col */ + + if(out[0]->hasoutput==0) + return; + + /* input no image? then only color operation */ + if(in[0]->data==NULL) { + do_math(node, out[0]->vec, in[0]->vec, in[1]->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 */ + + composit2_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, in[1]->data, in[1]->vec, do_math, CB_VAL, CB_VAL); + + out[0]->data= stackbuf; + } +} + +bNodeType cmp_node_math= { + /* type code */ CMP_NODE_MATH, + /* name */ "Math", + /* width+range */ 120, 110, 160, + /* class+opts */ NODE_CLASS_CONVERTOR, NODE_OPTIONS, + /* input sock */ cmp_node_math_in, + /* output sock */ cmp_node_math_out, + /* storage */ "", + /* execfunc */ node_composit_exec_math, + /* butfunc */ node_buts_math +}; + + + |