protected override void OnSetRenderInfo(PropertyBasedEffectConfigToken newToken, RenderArgs dstArgs, RenderArgs srcArgs)
{
this.hue = newToken.GetProperty<Int32Property>(PropertyNames.Hue).Value;
this.saturation = newToken.GetProperty<Int32Property>(PropertyNames.Saturation).Value;
this.lightness = newToken.GetProperty<Int32Property>(PropertyNames.Lightness).Value;
// map the range [0,100] -> [0,100] and the range [101,200] -> [103,400]
if (this.saturation > 100)
{
this.saturation = ((this.saturation - 100) * 3) + 100;
}
if (this.hue == 0 && this.saturation == 100 && this.lightness == 0)
{
this.pixelOp = new UnaryPixelOps.Identity();
}
else
{
this.pixelOp = new UnaryPixelOps.HueSaturationLightness(this.hue, this.saturation, this.lightness);
}
base.OnSetRenderInfo(newToken, dstArgs, srcArgs);
}
public virtual void InitFromPixelOp(UnaryPixelOp op)
{
OnValueChanged();
Invalidate();
}
public HueSaturationLightness(int hueDelta, int satDelta, int lightness)
{
this.hueDelta = hueDelta;
this.satFactor = (satDelta * 1024) / 100;
if (lightness == 0)
{
blendOp = new UnaryPixelOps.Identity();
}
else if (lightness > 0)
{
blendOp = new UnaryPixelOps.BlendConstant(ColorBgra.FromBgra(255, 255, 255, (byte)((lightness * 255) / 100)));
}
else // if (lightness < 0)
{
blendOp = new UnaryPixelOps.BlendConstant(ColorBgra.FromBgra(0, 0, 0, (byte)((-lightness * 255) / 100)));
}
}
public virtual void InitFromPixelOp(UnaryPixelOp op)
{
OnValueChanged();
Invalidate();
}
