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#include "rgbhandle.h"
#include "defs.h"
RGBHandle::RGBHandle() {
rwant = Util::rnd( 255 );
gwant = Util::rnd( 255 );
bwant = Util::rnd( 255 );
mine.r = rwant;
mine.g = gwant;
mine.b = bwant;
}
void RGBHandle::update( int max, int min ) {
unsigned char * want[ 3 ];
want[0] = &rwant;
want[1] = &gwant;
want[2] = &bwant;
if ( changecol( mine.r, rwant ) ) {
if ( Util::rnd( RGB_GO_BLACK ) == Util::rnd( RGB_GO_BLACK ) )
rwant = 0;
else rwant = Util::rnd(max-min)+min;
}
if ( changecol( mine.g, gwant ) ) {
if ( Util::rnd( RGB_GO_BLACK ) == Util::rnd( RGB_GO_BLACK ) )
gwant = 0;
else gwant = Util::rnd(max-min)+min;
}
if ( changecol( mine.b, bwant ) ) {
if ( Util::rnd( RGB_GO_BLACK ) == Util::rnd( RGB_GO_BLACK ) )
bwant = 0;
else bwant = Util::rnd(max-min)+min;
}
bool cy = false;
for ( int q = 0; q < 3; q++ )
cy = cy || (*(want[q]) >= min && *(want[q]) <= max);
if ( !cy ) *(want[Util::rnd(3)]) = Util::rnd(max-min)+min;
cy = true;
for ( int q = 0; q < 3; q++ )
cy = cy && *(want[q]) == 0;
if ( cy ) *(want[Util::rnd(3)]) = Util::rnd(max-min)+min;
}
int RGBHandle::Get( ) {
return Bitmap::makeColor( mine.r, mine.g, mine.b );
}
bool RGBHandle::changecol( unsigned char & c, unsigned char & dir ) {
for ( int q = 0; q < 2; q++ ) {
if ( c > dir ) c--;
if ( c < dir ) c++;
}
return c == dir;
}
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