public SepiaEffect ()
{
desat = new UnaryPixelOps.Desaturate ();
level = new UnaryPixelOps.Level (
ColorBgra.Black,
ColorBgra.White,
new float[] { 1.2f, 1.0f, 0.8f },
ColorBgra.Black,
ColorBgra.White);
}
public override void Render (ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
if (Data.ControlPoints == null)
return;
if (op == null)
op = MakeUop ();
op.Apply (dest, src, rois);
}
public override void Render (ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
int hue_delta = Data.Hue;
int sat_delta = Data.Saturation;
int lightness = Data.Lightness;
if (op == null) {
if (hue_delta == 0 && sat_delta == 100 && lightness == 0)
op = new UnaryPixelOps.Identity ();
else
op = new UnaryPixelOps.HueSaturationLightness (hue_delta, sat_delta, lightness);
}
op.Apply (dest, src, rois);
}
private UnaryPixelOp MakeUop()
{
UnaryPixelOp op;
byte[][] transferCurves;
int entries;
switch (Data.Mode) {
case ColorTransferMode.Rgb:
UnaryPixelOps.ChannelCurve cc = new UnaryPixelOps.ChannelCurve();
transferCurves = new byte[][] { cc.CurveR, cc.CurveG, cc.CurveB };
entries = 256;
op = cc;
break;
case ColorTransferMode.Luminosity:
UnaryPixelOps.LuminosityCurve lc = new UnaryPixelOps.LuminosityCurve();
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++) {
SortedList<int, int> channelControlPoints = Data.ControlPoints[channel];
IList<int> xa = channelControlPoints.Keys;
IList<int> 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;
}
public override bool LaunchConfiguration ()
{
SimpleEffectDialog dialog = new SimpleEffectDialog (Name, PintaCore.Resources.GetIcon (Icon), Data,
new PintaLocalizer ());
// Hookup event handling for live preview.
dialog.EffectDataChanged += (o, e) => {
if (EffectData != null) {
op = new UnaryPixelOps.RedEyeRemove (Data.Tolerance, Data.Saturation);
EffectData.FirePropertyChanged (e.PropertyName);
}
};
int response = dialog.Run ();
bool ret = (response == (int)Gtk.ResponseType.Ok);
dialog.Destroy ();
return ret;
}
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 override void RenderEffect(ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
if (hue_delta == 0 && sat_delta == 100 && lightness == 0)
op = new UnaryPixelOps.Identity ();
else
op = new UnaryPixelOps.HueSaturationLightness (hue_delta, sat_delta, lightness);
op.Apply (dest, src, rois);
}
public override void RenderEffect(ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
op = new UnaryPixelOps.PosterizePixel (red, green, blue);
op.Apply (dest, src, rois);
}
