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/*
* Atom-4 triboard celltype wrapper
* Implementation file
*
* $Id$
*/
#include "color4.h"
int color4::colortype() {
if (val=='a' || val=='h') return 0;
if (val=='b' || val=='c' || val=='e')
return 1; // additive
if (val=='d' || val=='f' || val=='g')
return 2; // subtractive
return -1; // invalid color
}
color4 color4::propagator(int type) {
switch(type) {
case 1: return color4('h');
case 2: return color4('a');
default: return BAD_CELL;
}
}
color4 color4::mix(color4 c) {
if (c.colortype() < 0) return c; // c cannot be affected
switch(colortype()) {
case 1: // additive
return color4(((c.val-'a') | (val-'a')) + 'a');
case 2:
return color4(((c.val-'a') & (val-'a')) + 'a');
default:
return c;
}
}
color4 color4::rotl() {
int rawval = val-'a';
return color4(( ((rawval<<1)&7) | ((rawval>>2)&1) ) + 'a' );
}
color4 color4::rotr() {
int rawval = val-'a';
return color4(( (rawval>>1) | ((rawval&1)<<2) ) + 'a');
}
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