public void SetParameters(Surface src, Rectangle rgn)
{
HistogramRgb histogram = new HistogramRgb();
histogram.UpdateHistogram(src, rgn);
this.levels = histogram.MakeLevelsAuto();
}
protected override void OnBeginRender (ISurface src, ISurface dst, Rectangle roi)
{
var histogram = new HistogramRgb ();
histogram.UpdateHistogram (src, src.Bounds);
op = histogram.MakeLevelsAuto ();
}
public HistogramWidget ()
{
Histogram = new HistogramRgb ();
selected = new bool[] {true, true, true};
ExposeEvent += HandleExposeEvent;
}
protected override void OnBeginRender(ISurface src, ISurface dst, Rectangle roi)
{
var histogram = new HistogramRgb();
histogram.UpdateHistogram(src, src.Bounds);
op = histogram.MakeLevelsAuto();
}
protected override void OnSetRenderInfo(PropertyBasedEffectConfigToken newToken, RenderArgs dstArgs, RenderArgs srcArgs)
{
HistogramRgb histogram = new HistogramRgb();
histogram.UpdateHistogram(srcArgs.Surface, this.EnvironmentParameters.GetSelection(dstArgs.Bounds));
this.levels = histogram.MakeLevelsAuto();
base.OnSetRenderInfo(newToken, dstArgs, srcArgs);
}
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 void ResetHistogram()
{
Histogram = new HistogramRgb();
}
public HistogramWidget()
{
Histogram = new HistogramRgb();
selected = new bool[] { true, true, true };
}
