shader

/*
[configuration]
[OptionBool]
GUIName = Smoothing
OptionName = SmoothToggle
DefaultValue = true

[OptionRangeFloat]
GUIName = Smoothness
OptionName = Smoothness
MinValue = 0.0
MaxValue = 3.0
StepAmount = 0.05
DefaultValue = 1.0
DependantOption = SmoothToggle

[OptionBool]
GUIName = Lines
OptionName = LineToggle
DefaultValue = true

[OptionRangeFloat]
GUIName = Line Thickness
OptionName = Thick
MinValue = 2.0
MaxValue = 3.0
StepAmount = 0.01
DefaultValue = 2.0
DependentOption = LineToggle

[OptionRangeFloat]
GUIName = Line Brightness
OptionName = Bright
MinValue = 25
MaxValue = 100
StepAmount = 1
DefaultValue = 50
DependentOption = LineToggle

[/configuration]
*/

void main()
{
  //variables
  float4 c0 = Sample();
  //Smooth
  if (OptionEnabled(SmoothToggle))
	{
		float4 smoothing_total = float4(0.0, 0.0, 0.0, 0.0);
		float smoothing_size = GetOption(Smoothness);
		smoothing_total += SampleLocation(GetCoordinates() + float2(-smoothing_size, -smoothing_size) * GetInvResolution());
		smoothing_total += SampleLocation(GetCoordinates() + float2(-smoothing_size, smoothing_size) * GetInvResolution());
		smoothing_total += SampleLocation(GetCoordinates() + float2( smoothing_size, -smoothing_size) * GetInvResolution());
		smoothing_total += SampleLocation(GetCoordinates() + float2( smoothing_size, smoothing_size) * GetInvResolution());
		smoothing_total += SampleLocation(GetCoordinates() + float2(-smoothing_size, 0.0) * GetInvResolution());
		smoothing_total += SampleLocation(GetCoordinates() + float2( smoothing_size, 0.0) * GetInvResolution());
		smoothing_total += SampleLocation(GetCoordinates() + float2( 0.0, -smoothing_size) * GetInvResolution());
		smoothing_total += SampleLocation(GetCoordinates() + float2( 0.0, smoothing_size) * GetInvResolution());
		smoothing_total *= 0.125;
		c0 = smoothing_total;
  }
  // Horizontal Scanlines
  if (OptionEnabled(LineToggle))
  {
	float vPos = GetCoordinates().y*GetResolution().y / GetOption(Thick);
	float line_intensity = (((vPos - floor(vPos)) * 9) - 4) / GetOption(Bright);
	c0.rgb += line_intensity;
  }
	SetOutput(c0);
}