protected CurvesEffectConfigToken(CurvesEffectConfigToken copyMe)
: base(copyMe)
{
this.uop = copyMe.Uop;
this.colorTransferMode = copyMe.ColorTransferMode;
this.controlPoints = (SortedList<int, int>[])copyMe.controlPoints.Clone();
}
public HueSaturationLightnessOp (int hueDelta, int satDelta, int lightness)
{
hue_delta = hueDelta;
sat_factor = (satDelta * 1024) / 100;
if (lightness == 0)
blend_op = new IdentityOp ();
else if (lightness > 0)
blend_op = new BlendConstantOp (ColorBgra.FromBgra (255, 255, 255, (byte)((lightness * 255) / 100)));
else
blend_op = new BlendConstantOp (ColorBgra.FromBgra (0, 0, 0, (byte)((-lightness * 255) / 100)));
}
public SepiaEffect()
: base(PdnResources.GetString("SepiaEffect.Name"),
PdnResources.GetImage("Icons.SepiaEffect.png"))
{
this.desaturate = new UnaryPixelOps.Desaturate();
this.levels = new UnaryPixelOps.Level(
ColorBgra.Black,
ColorBgra.White,
new float[] { 1.2f, 1.0f, 0.8f },
ColorBgra.Black,
ColorBgra.White);
}
/// <summary>
/// Creates a new effect that will adjust the hue, saturation, and lightness of an image.
/// </summary>
/// <param name="hue">Amount of hue to adjust. Valid range is -180 - 180.</param>
/// <param name="saturation">Amount of saturation to adjust. Valid range is 0 - 200.</param>
/// <param name="lightness">Amount of of lightness to adjust. Valid range is -100 - 100.</param>
public HueSaturationEffect (int hue = 0, int saturation = 100, int lightness = 0)
{
if (hue < -180 || hue > 180)
throw new ArgumentOutOfRangeException ("hue");
if (saturation < 0 || saturation > 200)
throw new ArgumentOutOfRangeException ("saturation");
if (lightness < -100 || lightness > 100)
throw new ArgumentOutOfRangeException ("lightness");
if (hue == 0 && saturation == 100 && lightness == 0)
op = new IdentityOp ();
else
op = new HueSaturationLightnessOp (hue, saturation, lightness);
}
private UnaryPixelOp MakeUop (SortedList<int, int>[] controlPoints, ColorTransferMode mode)
{
UnaryPixelOp op;
byte[][] transferCurves;
int entries;
switch (mode) {
case ColorTransferMode.Rgb:
var cc = new ChannelCurveOp ();
transferCurves = new byte[][] { cc.CurveR, cc.CurveG, cc.CurveB };
entries = 256;
op = cc;
break;
case ColorTransferMode.Luminosity:
var lc = new LuminosityCurveOp ();
transferCurves = new byte[][] { lc.Curve };
entries = 256;
op = lc;
break;
default:
throw new InvalidEnumArgumentException ();
}
int channels = transferCurves.Length;
for (int channel = 0; channel < channels; channel++) {
var channelControlPoints = controlPoints[channel];
var xa = channelControlPoints.Keys;
var ya = channelControlPoints.Values;
SplineInterpolator interpolator = new SplineInterpolator ();
int length = channelControlPoints.Count;
for (int i = 0; i < length; i++) {
interpolator.Add (xa[i], ya[i]);
}
for (int i = 0; i < entries; i++) {
transferCurves[channel][i] = Utility.ClampToByte (interpolator.Interpolate (i));
}
}
return op;
}
protected override void OnSetRenderInfo(PropertyBasedEffectConfigToken newToken, RenderArgs dstArgs, RenderArgs srcArgs)
{
int red = newToken.GetProperty<Int32Property>(PropertyNames.RedLevels).Value;
int green = newToken.GetProperty<Int32Property>(PropertyNames.GreenLevels).Value;
int blue = newToken.GetProperty<Int32Property>(PropertyNames.BlueLevels).Value;
this.op = new PosterizePixelOp(red, green, blue);
base.OnSetRenderInfo(newToken, dstArgs, srcArgs);
}
public CurvesEffect(SortedList <int, int>[] controlPoints, ColorTransferMode mode)
{
op = MakeUop(controlPoints, mode);
}
public void SetParameters(int red, int green, int blue)
{
this.op = new PosterizePixelOp(red, green, blue);
}
public CurvesEffect (SortedList<int, int>[] controlPoints, ColorTransferMode mode)
{
op = MakeUop (controlPoints, mode);
}
