ToneCurveNode() : base()
{
title = "Tone Curve";
AddInputPort <Vector4>("Color");
AddOutputPort <Vector4>("Color");
RefreshPorts();
m_RCurveField = new CurveField()
{
ranges = new Rect(0f, 0f, 1f, 1f)
};
m_GCurveField = new CurveField()
{
ranges = new Rect(0f, 0f, 1f, 1f)
};
m_BCurveField = new CurveField()
{
ranges = new Rect(0f, 0f, 1f, 1f)
};
m_ACurveField = new CurveField()
{
ranges = new Rect(0f, 0f, 1f, 1f)
};
m_GCurveField.SetEnabled(false);
m_BCurveField.SetEnabled(false);
m_RCurveField.OnValueChanged(e => m_GCurveField.value = e.newValue);
m_RCurveField.OnValueChanged(e => m_BCurveField.value = e.newValue);
extensionContainer.Add(m_RCurveField);
extensionContainer.Add(m_GCurveField);
extensionContainer.Add(m_BCurveField);
extensionContainer.Add(m_ACurveField);
RefreshExpandedState();
}
internal override void Apply(VisualElement container)
{
/// <sample>
// Get a reference to the field from UXML and assign it its value.
var uxmlField = container.Q <CurveField>("the-uxml-field");
uxmlField.value = new AnimationCurve(new Keyframe[]
{ new Keyframe(0, 0), new Keyframe(5, 8), new Keyframe(10, 4) });
// Create a new field, disable it, and give it a style class.
var csharpField = new CurveField("C# Field");
csharpField.SetEnabled(false);
csharpField.AddToClassList("some-styled-field");
csharpField.value = uxmlField.value;
container.Add(csharpField);
// Mirror value of uxml field into the C# field.
uxmlField.RegisterCallback <ChangeEvent <AnimationCurve> >((evt) =>
{
csharpField.value = evt.newValue;
});
/// </sample>
}
