protected override void InitDialogFromToken(EffectConfigToken effectToken)
{
UnaryPixelOps.Level levels = ((LevelsEffectConfigToken)effectToken).Levels;
float gamma = MaskGamma(levels);
int lo = MaskAvg(levels.ColorOutLow);
int hi = MaskAvg(levels.ColorOutHigh);
int md = (int)(lo + (hi - lo) * Math.Pow(0.5, gamma));
outputHiUpDown.Value = hi;
outputGammaUpDown.Value = (decimal)gamma;
outputLowUpDown.Value = lo;
inputHiUpDown.Value = MaskAvg(levels.ColorInHigh);
inputLoUpDown.Value = MaskAvg(levels.ColorInLow);
gradientOutput.SetValue(0, lo);
gradientOutput.SetValue(1, md);
gradientOutput.SetValue(2, hi);
swatchInHigh.BackColor = levels.ColorInHigh.ToColor();
swatchInLow.BackColor = levels.ColorInLow.ToColor();
swatchOutMid.BackColor = levels.Apply(((HistogramRgb)histogramInput.Histogram).GetMeanColor()).ToColor();
swatchOutMid.Invalidate();
swatchOutHigh.BackColor = levels.ColorOutHigh.ToColor();
swatchOutLow.BackColor = levels.ColorOutLow.ToColor();
}
protected override void InitTokenFromDialog()
{
UnaryPixelOps.Level levels = ((LevelsEffectConfigToken)theEffectToken).Levels;
levels.ColorOutHigh = UpdateByMask(levels.ColorOutHigh, (byte)outputHiUpDown.Value);
levels.ColorOutLow = UpdateByMask(levels.ColorOutLow, (byte)outputLowUpDown.Value);
levels.ColorInHigh = UpdateByMask(levels.ColorInHigh, (byte)inputHiUpDown.Value);
levels.ColorInLow = UpdateByMask(levels.ColorInLow, (byte)inputLoUpDown.Value);
UpdateGammaByMask(levels, (float)outputGammaUpDown.Value);
swatchInHigh.BackColor = levels.ColorInHigh.ToColor();
swatchInHigh.Invalidate();
swatchInLow.BackColor = levels.ColorInLow.ToColor();
swatchInLow.Invalidate();
swatchOutHigh.BackColor = levels.ColorOutHigh.ToColor();
swatchOutHigh.Invalidate();
swatchOutMid.BackColor = levels.Apply(((HistogramRgb)histogramInput.Histogram).GetMeanColor()).ToColor();
swatchOutMid.Invalidate();
swatchOutLow.BackColor = levels.ColorOutLow.ToColor();
swatchOutLow.Invalidate();
}
public override void Render(Surface src, Surface dst, Rectangle[] rois, int startIndex, int length)
{
if (_levels.isValid)
{
_levels.Apply(dst, src, rois, startIndex, length);
}
}
public override void Render(ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
if (op == null)
{
HistogramRgb histogram = new HistogramRgb();
histogram.UpdateHistogram(src, new Gdk.Rectangle(0, 0, src.Width, src.Height));
op = histogram.MakeLevelsAuto();
}
if (op.isValid)
{
op.Apply(dest, src, rois);
}
}
public override void Render(EffectConfigToken parameters, RenderArgs dstArgs, RenderArgs srcArgs,
Rectangle[] rois, int startIndex, int length)
{
if (levels == null)
{
HistogramRgb histogram = new HistogramRgb();
histogram.UpdateHistogram(srcArgs.Surface, this.EnvironmentParameters.GetSelection(dstArgs.Bounds));
levels = histogram.MakeLevelsAuto();
}
if (levels.isValid)
{
levels.Apply(dstArgs.Surface, srcArgs.Surface, rois, startIndex, length);
}
}
public override void Render(EffectConfigToken parameters, RenderArgs dstArgs, RenderArgs srcArgs, Rectangle[] rois, int startIndex, int length)
{
UnaryPixelOps.Level levels = (parameters as LevelsEffectConfigToken).Levels;
levels.Apply(dstArgs.Surface, srcArgs.Surface, rois, startIndex, length);
}