void LLFloaterColorPicker::hslToRgb ( F32 hValIn, F32 sValIn, F32 lValIn, F32& rValOut, F32& gValOut, F32& bValOut )
{
if ( sValIn < 0.00001f )
{
rValOut = lValIn;
gValOut = lValIn;
bValOut = lValIn;
}
else
{
F32 interVal1;
F32 interVal2;
if ( lValIn < 0.5f )
interVal2 = lValIn * ( 1.0f + sValIn );
else
interVal2 = ( lValIn + sValIn ) - ( sValIn * lValIn );
interVal1 = 2.0f * lValIn - interVal2;
rValOut = hueToRgb ( interVal1, interVal2, hValIn + ( 1.f / 3.f ) );
gValOut = hueToRgb ( interVal1, interVal2, hValIn );
bValOut = hueToRgb ( interVal1, interVal2, hValIn - ( 1.f / 3.f ) );
}
}
void LLColor3::setHSL ( F32 hValIn, F32 sValIn, F32 lValIn)
{
if ( sValIn < 0.00001f )
{
mV[VRED] = lValIn;
mV[VGREEN] = lValIn;
mV[VBLUE] = lValIn;
}
else
{
F32 interVal1;
F32 interVal2;
if ( lValIn < 0.5f )
interVal2 = lValIn * ( 1.0f + sValIn );
else
interVal2 = ( lValIn + sValIn ) - ( sValIn * lValIn );
interVal1 = 2.0f * lValIn - interVal2;
mV[VRED] = hueToRgb ( interVal1, interVal2, hValIn + ( 1.f / 3.f ) );
mV[VGREEN] = hueToRgb ( interVal1, interVal2, hValIn );
mV[VBLUE] = hueToRgb ( interVal1, interVal2, hValIn - ( 1.f / 3.f ) );
}
}
int main(void) {
struct winsize w;
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
int i = w.ws_col;
int h = w.ws_row;
//h = 1;
int a[3];
int shift = map(1, w.ws_col, 360);
while(h--) {
while(i--) {
hueToRgb(map(i, w.ws_col, 360)+h*shift, a);
printf("\e[48;5;%im ", rgb8ToConsole(a));
//printf("R: %i, G: %i, B:%i, hue: %i\n", a[r], a[g], a[b], map(i, w.ws_col, 360));
}
i = w.ws_col;
}