//=========================================================================================
/// <summary>
/// Updates the actual brightness of the game with the current settings.
/// </summary>
//=========================================================================================
private static void UpdateBrightness()
{
// Make a gamma ramp:
GammaRamp g = new GammaRamp();
// Calculate the gamma ramp:
short[] ramp_table = new short[256];
for ( int i = 0 ; i < 256 ; i++ )
{
// Calculate the normal intensity of this value:
double l = (double)(i) / 255.0;
// Adjust by gamma setting:
l = Math.Pow( l , 1.0f - ( s_brightness - 1.0f ) );
// Clamp:
if ( l > 1.0f ) l = 1.0f;
// Back to integer:
l *= 65535;
// Save to table:
ramp_table[i] = (short) l;
}
// Set tables:
g.SetRed(ramp_table);
g.SetGreen(ramp_table);
g.SetBlue(ramp_table);
// Set on graphics device:
try
{
if ( Core.Graphics != null ) Core.Graphics.Device.SetGammaRamp(false,g);
}
catch ( Exception ){}
}
public void SetGammaRamp(bool calibrate, GammaRamp ramp)
{
throw new NotImplementedException();
}
